CN114112338A - Target electric toothbrush cleaning performance detection method and device - Google Patents
Target electric toothbrush cleaning performance detection method and device Download PDFInfo
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- CN114112338A CN114112338A CN202111244064.2A CN202111244064A CN114112338A CN 114112338 A CN114112338 A CN 114112338A CN 202111244064 A CN202111244064 A CN 202111244064A CN 114112338 A CN114112338 A CN 114112338A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/28—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring areas
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The present disclosure provides a target electric toothbrush cleaning performance detection method and apparatus. The method for detecting the cleaning performance of the electric toothbrush comprises the following steps: in response to the installation of the dental model to be tested, coating standard oral cavity dirt on the dental model to be tested; performing standard dirt pretreatment on the coated tooth model to be detected; controlling the target electric toothbrush to execute a cleaning program on the tooth model to be detected after the standard dirt pretreatment; and detecting the area rate of the residual dirt on the tooth model to be detected after the cleaning procedure is completed, wherein the area rate of the residual dirt is used for reflecting the cleaning performance of the target electric toothbrush. Therefore, a rapid and accurate in-vitro detection method is established to realize accurate and rapid evaluation of the cleaning performance of different electric toothbrushes, the degree of automation and intellectualization is higher, the detection efficiency is higher, and the detection cost is greatly reduced.
Description
Technical Field
The disclosure relates to the technical field of test control, in particular to a method and equipment for detecting cleaning performance of a target electric toothbrush.
Background
With the continuous improvement of the living standard of people, the tooth health care draws more and more attention of people, the oral health is listed as one of ten major standards of human health by the world health organization for a long time, and the toothbrush plays a very important role in enhancing the oral health and the health. In recent years, the technology of toothbrush products in China is rapidly developed, and the electric toothbrush as a new form of tooth brushing cleaning article gradually enters the daily life of people and becomes a key tool for daily tooth cleaning and gum health maintenance.
With the progress of science and technology and the rapid development of mobile internet, the intelligent design of various toothbrushes including electric toothbrushes and the like is also continuously improved and broken through. It is well known that a scientific toothbrush design can improve the efficacy of removing plaque, whitening teeth and protecting gums during brushing. Therefore, the selection of a proper toothbrush has important significance for keeping the oral health and reducing the incidence rate of oral diseases. However, the cleaning effect of brushing teeth depends on various factors including the structural design of the toothbrush, the set brushing method, the brushing time, and the brushing frequency. Currently, the evaluation of cleaning performance of electric toothbrush products is mainly certified by clinical trial evaluation, which generally takes a long time and is expensive, and has certain professional technical requirements on testing institutions and testing personnel.
Disclosure of Invention
Technical problem to be solved
In order to solve the technical problems of long time consumption, high cost and higher professional technical requirements caused by the fact that the cleaning performance evaluation of electric toothbrush products mainly depends on clinical tests in the prior art, the disclosure provides a method and equipment for detecting the cleaning performance of a target electric toothbrush, so as to establish a quick and accurate in-vitro detection method to realize accurate and quick evaluation of the cleaning performance of different electric toothbrushes.
(II) technical scheme
One aspect of the present disclosure provides a method for detecting a cleaning performance of an electric toothbrush, including: in response to the installation of the dental model to be tested, coating standard oral cavity dirt on the dental model to be tested; performing standard dirt pretreatment on the coated tooth model to be detected; controlling the target electric toothbrush to execute a cleaning program on the tooth model to be detected after the standard dirt pretreatment; and detecting the area rate of the residual dirt on the tooth model to be detected after the cleaning procedure is completed, wherein the area rate of the residual dirt is used for reflecting the cleaning performance of the target electric toothbrush.
According to the embodiment of the disclosure, before the step of coating the standard oral cavity dirt on the dental model to be tested in response to the installation of the dental model to be tested, the method further comprises the following steps: in response to the test instructions, a standard oral stain is prepared.
According to an embodiment of the present disclosure, the step of preparing a standard oral stain includes: obtaining solid vegetable puree and a thickening agent; pouring the solid vegetable puree into the thickening agent according to a preset proportion and uniformly stirring to prepare the standard oral dirt.
According to an embodiment of the present disclosure, the step of obtaining the solid puree and the thickening agent comprises: controlling the mashing machine to perform mincing action in response to the placing of the green vegetables and the distilled water; and carrying out suction filtration treatment on the minced green vegetable puree by using a vacuum pump to obtain the solid vegetable puree.
According to an embodiment of the present disclosure, the step of obtaining the solid vegetable puree and the thickening agent further comprises: in response to the mixing of the sodium carboxymethylcellulose and the distilled water, the mixed sodium carboxymethylcellulose and distilled water mixture is heated with stirring to obtain the thickener.
According to the embodiment of the disclosure, the step of coating the standard oral cavity dirt on the dental model to be tested in response to the installation of the dental model to be tested comprises the following steps: receiving a first control instruction generated by mounting a dental model to be tested on a test table; and controlling the coating toothbrush to dip standard oral dirt according to a preset coating rule to coat the dental model to be tested according to the first control instruction.
According to the embodiment of the disclosure, the step of performing standard dirt pretreatment on the coated dental model to be tested comprises the following steps: receiving a second control instruction generated by the coated dental model to be detected; and controlling the tooth mould to be tested arranged on the detection table to move to the oven to carry out baking treatment according to a preset baking rule according to a second control instruction so as to finish the pretreatment of standard dirt.
According to the embodiment of the present disclosure, before the step of controlling the target electric toothbrush to perform the cleaning procedure on the dental model to be tested which is pretreated by the standard dirt, the method further includes: and taking a picture of the to-be-detected dental model subjected to standard dirt pretreatment before cleaning to determine the first residual dirt area of the to-be-detected dental model before cleaning.
According to an embodiment of the present disclosure, the step of controlling the target electric toothbrush to perform a cleaning procedure on the dental cast to be tested pretreated with standard stains includes: and controlling the target electric toothbrush to clean the dental cast to be tested according to a preset cleaning rule by controlling a mechanical arm for clamping the target electric toothbrush.
According to the embodiment of the present disclosure, after the step of controlling the target electric toothbrush to perform the cleaning procedure on the dental cast to be tested which is pretreated by the standard dirt, the method further includes: and (4) carrying out photographing record after cleaning the cleaned dental model to be detected so as to determine the second residual dirt area of the cleaned dental model to be detected.
According to the embodiment of the disclosure, the step of detecting the area rate of the residual dirt on the to-be-detected dental cast completing the cleaning procedure comprises the following steps: a residual dirt area rate is determined from the first residual dirt area and the second residual dirt area.
According to the embodiment of the disclosure, after the step of detecting the area rate of the residual dirt on the to-be-detected dental cast completing the cleaning procedure, the method further comprises the following steps: determining an evaluation score value according to the area rate of the residual dirt and a preset evaluation rule, wherein the evaluation score value is used for reflecting the cleaning performance of the target electric toothbrush; wherein, the preset evaluation rule is the corresponding relation between the area rate of the residual dirt and the evaluation score value, and comprises the following steps: the area rate r of the residual dirt on the tooth model to be tested is equal to 0, and the corresponding evaluation score value g is equal to 0; r is more than 0 and less than or equal to 1/5, and the corresponding evaluation score value g is 1; r is more than 1/5 and less than or equal to 1/3, and the corresponding evaluation score value g is 2; r is more than 1/3 and less than or equal to 2/3, and the corresponding evaluation score value g is 3; the area rate 2/3 of the residual dirt on the tooth model to be tested is more than r and less than 1, and the corresponding evaluation score value g is 4; and the area rate r of the residual dirt on the dental model to be tested is 1, and the corresponding evaluation score value g is 5.
Another aspect of the present disclosure provides a target electric toothbrush cleaning performance detection device for implementing the detection method, wherein the target electric toothbrush cleaning performance detection device comprises a control box, a detection table, a plurality of mechanical arms and an oven. The detection table is electrically connected with the control box and used for fixing the tooth mould to be detected; the plurality of mechanical arms are arranged on the detection table, one of the plurality of mechanical arms is used for clamping the target electric toothbrush to execute a cleaning procedure, and the other of the plurality of mechanical arms is used for clamping the coating toothbrush to execute coating; the oven is arranged on the detection table and used for executing standard pollutant pretreatment on the fixed dental model to be detected.
(III) advantageous effects
The present disclosure provides a target electric toothbrush cleaning performance detection method and apparatus. The method for detecting the cleaning performance of the electric toothbrush comprises the following steps: in response to the installation of the dental model to be tested, coating standard oral cavity dirt on the dental model to be tested; performing standard dirt pretreatment on the coated tooth model to be detected; controlling the target electric toothbrush to execute a cleaning program on the tooth model to be detected after the standard dirt pretreatment; and detecting the area rate of the residual dirt on the tooth model to be detected after the cleaning procedure is completed, wherein the area rate of the residual dirt is used for reflecting the cleaning performance of the target electric toothbrush. Therefore, a rapid and accurate in-vitro detection method is established to realize accurate and rapid evaluation of the cleaning performance of different electric toothbrushes, the degree of automation and intellectualization is higher, the requirements of professional technologies are basically absent, the detection efficiency is higher, and the detection cost is greatly reduced.
Drawings
FIG. 1 schematically illustrates a flow chart of a target electric toothbrush cleaning performance detection method according to an embodiment of the present disclosure;
FIG. 2 schematically illustrates a specific flow chart of a targeted electric toothbrush cleaning performance detection method according to an embodiment of the present disclosure;
fig. 3 schematically shows a structural composition diagram of a target electric toothbrush cleaning performance detection apparatus according to an embodiment of the present disclosure.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings.
It is to be noted that, in the attached drawings or in the description, the implementation modes not shown or described are all the modes known by the ordinary skilled person in the field of technology, and are not described in detail. Further, the above definitions of the various elements and methods are not limited to the various specific structures, shapes or arrangements of parts mentioned in the examples, which may be easily modified or substituted by those of ordinary skill in the art.
It should also be noted that directional terms, such as "upper", "lower", "front", "rear", "left", "right", and the like, used in the embodiments are only directions referring to the drawings, and are not intended to limit the scope of the present disclosure. Throughout the drawings, like elements are represented by like or similar reference numerals. Conventional structures or constructions will be omitted when they may obscure the understanding of the present disclosure.
And the shapes and sizes of the respective components in the drawings do not reflect actual sizes and proportions, but merely illustrate the contents of the embodiments of the present disclosure. Furthermore, in the claims, any reference signs placed between parentheses shall not be construed as limiting the claim.
Furthermore, the word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements.
The use of ordinal numbers such as "first," "second," "third," etc., in the specification and in the claims to modify a corresponding element does not by itself connote any ordinal number of the element or any ordering of one element from another or the order of manufacture, and the use of the ordinal numbers is only used to distinguish one element having a certain name from another element having a same name.
Those skilled in the art will appreciate that the modules in the device of an embodiment may be adaptively changed and placed in one or more devices different from the embodiment. The modules or units or components of the embodiments may be combined into one module or unit or component, and furthermore they may be divided into a plurality of sub-modules or sub-units or sub-components. All of the features disclosed in this specification (including any accompanying claims, abstract and drawings), and all of the processes or elements of any method or apparatus so disclosed, may be combined in any combination, except combinations where at least some of such features and/or processes or elements are mutually exclusive. Each feature disclosed in this specification (including any accompanying claims, abstract and drawings) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise. Also in the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware.
Similarly, it should be appreciated that in the foregoing description of exemplary embodiments of the disclosure, various features of the disclosure are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure and aiding in the understanding of one or more of the various disclosed aspects. However, the disclosed method should not be interpreted as reflecting an intention that: that is, the claimed disclosure requires more features than are expressly recited in each claim. Rather, as the following claims reflect, disclosed aspects lie in less than all features of a single foregoing disclosed embodiment. Thus, the claims following the detailed description are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate embodiment of this disclosure.
In order to solve the technical problems of long time consumption, high cost and higher professional technical requirements caused by the fact that the cleaning performance evaluation of electric toothbrush products mainly depends on clinical tests in the prior art, the disclosure provides a method and equipment for detecting the cleaning performance of a target electric toothbrush, so as to establish a quick and accurate in-vitro detection method to realize accurate and quick evaluation of the cleaning performance of different electric toothbrushes.
As shown in fig. 1, an aspect of the present disclosure provides a method for detecting a cleaning performance of an electric toothbrush, which includes steps S101-S104.
In step S101, in response to the installation of the dental model to be tested, coating standard oral cavity dirt on the dental model to be tested;
in step S102, performing standard dirt pretreatment on the coated tooth model to be detected;
in step S103, controlling the target electric toothbrush to perform a cleaning procedure on the dental model to be tested pretreated with the standard dirt; and
in step S104, a residual stain area rate on the dental model to be tested, which completes the cleaning process, is detected, and the residual stain area rate is used to reflect the cleaning performance of the target electric toothbrush.
The model to be tested is generally a universal standard tooth model (28 teeth, model M8011), and the material of the teeth is generally a resin material (such as epoxy resin) model, which has an openable structure design. In the embodiment of the present disclosure, a plurality of dental casts to be tested may be adopted at the same time to sequentially perform the processes of the steps S101 to S104, and a control group may also be provided. The use of the model to be detected can improve the detection objectivity and accuracy of the detection method of the embodiment of the disclosure.
The standard oral cavity dirt is generally a mixture of vegetable leaf sticky substances, generally has good adhesion, can be well adhered to the dental model to be tested and is used as a simulant of the oral cavity dirt, so that the front, the side and the occlusal surface of each tooth of the dental model to be tested are better coated and simulated.
After the to-be-tested dental model finishes the coating of the standard oral cavity dirt, in order to better realize the simulation effect of the adhesion of the oral cavity dirt to the teeth, the to-be-tested dental model coated with the standard oral cavity dirt needs to be subjected to standard dirt pretreatment. The standard dirt pretreatment mainly aims at the standard oral dirt coated on the tooth surface of the dental model to be tested to carry out pretreatment procedures such as drying, baking and the like.
The target electric toothbrush is a to-be-cleaned toothbrush for detecting cleaning performance, and the cleaning program is a set flow program related to cleaning, such as a moving track, cleaning force, cleaning time, cleaning frequency and the like, of the to-be-cleaned dental model which is coated with standard oral dirt and subjected to standard dirt pretreatment. Wherein, after the control target electric toothbrush finishes the cleaning procedure to this dental cast execution that awaits measuring, can carry out the washing of different degree to the standard oral cavity filth of adhesion on every tooth of the dental cast that awaits measuring for standard oral cavity filth breaks away from the dental cast that awaits measuring.
After the standard oral cavity dirt is separated from the dental model to be detected to different degrees, the ratio of the residual area of the residual standard oral cavity dirt on the surface of the dental model to be detected to the surface area of the dental model to be detected can be used as the residual dirt area rate. Therefore, the area ratio of the residual dirt can be used for describing the cleaning effect of the target electric toothbrush to be measured on the standard oral dirt on the dental model to be measured.
Therefore, the detection method provided by the embodiment of the disclosure can conveniently and quickly evaluate the cleaning effect of the target electric toothbrush, realizes a very high-level automation and intelligence process in the whole detection process, basically does not need human participation, has a higher practical application value, can quickly quantify the cleaning effect of the target electric toothbrush, has higher objectivity, authenticity and accuracy, and provides a purchasing basis for consumers.
Therefore, the proper resin tooth mould is selected to replace the teeth of a person to be used as the tooth mould to be tested, the vegetable leaf sticky matter is used for simulating the dirt in the oral cavity, and the conditions that the front surface area, the left side area, the right side area, the inner part of the upper teeth and the inner part of the lower teeth of each tooth are obtained by the tooth mould to be tested before and after cleaning are respectively scored, so that the cleaning performance of different electric toothbrushes is evaluated.
Therefore, a rapid and accurate in-vitro detection method is established to realize accurate and rapid evaluation of the cleaning performance of different electric toothbrushes, the degree of automation and intellectualization is higher, the requirements of professional technologies are basically absent, the detection efficiency is higher, and the detection cost is greatly reduced.
As shown in fig. 1 and 2, according to the embodiment of the present disclosure, step S201 is further included before step S101 of applying standard oral stain to the dental cast to be tested in response to installation of the dental cast to be tested.
In step S201, in response to a test instruction, a standard oral stain is prepared.
The test instruction is a detection control instruction generated by receiving detection actions of detection personnel and is used for starting the whole detection process. As shown in fig. 3, one control button 311 of a plurality of control buttons 311 on the control box 310 of the detection device 300 can receive a detection pressing action of a detection person, and the control button 311 generates a detection control instruction after receiving the pressing action for responding to the starting of the whole detection flow. The control box 310 may be simultaneously provided with a human-computer interface 312 for information display, such as a display screen, to display information of the whole detection process, so that the detection process is more intuitive and simple.
Wherein, after the detection process is started, the first response is to control the preparation of the standard cavity dirt. The standard oral cavity dirt is generally vegetable leaf sticky matter, and the preparation process of the sticky matter is required to obtain the standard oral cavity dirt.
According to an embodiment of the present disclosure, the step of preparing a standard oral stain includes:
obtaining solid vegetable puree and a thickening agent;
pouring the solid vegetable puree into the thickening agent according to a preset proportion and uniformly stirring to prepare the standard oral dirt.
In the process of preparing the standard oral dirt, firstly, a proper thickening agent can be selected and uniformly mixed with minced vegetable puree to prepare corresponding solid vegetable puree. Then weighing solid vegetable puree 3.6g in a preset proportion, pouring the solid vegetable puree into the thickening agent, and controlling and stirring the solid vegetable puree uniformly to obtain a green viscous mixture of vegetable leaves, namely standard oral cavity dirt.
According to an embodiment of the present disclosure, the step of obtaining the solid puree and the thickening agent comprises:
controlling the mashing machine to perform mincing action in response to the placing of the green vegetables and the distilled water;
and carrying out suction filtration treatment on the minced green vegetable puree by using a vacuum pump to obtain the solid vegetable puree.
The green vegetables can be green-leaf vegetables including rape, and fresh rape with plant height of 15-20cm, fresh and tender, and no damage can be selected. Firstly, the rape selected and placed is subjected to a clear water cleaning procedure, so that the rape can be cleaned completely. And then, controlling and moving the cleaned rape into a tissue triturator. Wherein, the tissue masher is filled with 30mL of distilled water per 50g of rape at the same time. After the filling is finished, controlling the tissue triturator to execute the mincing operation, wherein the mincing operation can be finished according to the set rule of the rotating speed of 8000r/min and the stirring time of 2 min. And pouring the rape mud formed after the mincing operation into a Buchner funnel, and performing suction filtration on the rape mud formed after the rape mud is poured into the Buchner funnel by controlling a vacuum pump to remove moisture so as to obtain the solid rape mud.
Wherein the obtained solid vegetable puree can be stored in a sealed bag for freezing and thawing at room temperature before use. It should be noted that the selection of the green vegetables needs to meet the following requirements: the product has no impurities, no shrinkage, no wilting, no rot or deterioration, no yellow leaf, and no odor, and can be specifically test rape (Brassica chinensis L) of Brassicaceae and Brassica.
According to an embodiment of the present disclosure, the step of obtaining the solid vegetable puree and the thickening agent further comprises:
in response to the mixing of the sodium carboxymethylcellulose and the distilled water, the mixed sodium carboxymethylcellulose and distilled water mixture is heated with stirring to obtain the thickener.
In the process of fixing the vegetable puree and the thickening agent, firstly, a preparation process of the thickening agent is carried out, specifically, 0.3g of sodium carboxymethylcellulose (analytically pure) is weighed, heated and dissolved in 18mL of distilled water, and fully and uniformly stirred until a transparent colloidal solution is obtained, so that the thickening agent can be obtained.
Therefore, the sticky vegetable leaves are coated on the dental model to be detected, so that the sticky vegetable leaves can be fully adhered to the dental model to be detected and are not easy to slide off.
As shown in fig. 1 and 2, according to the embodiment of the present disclosure, the step S101 of applying the standard oral stain to the dental cast to be tested in response to the installation of the dental cast to be tested includes steps S202 to S203.
In step S202, receiving a first control instruction generated by the installation of a dental model to be tested on a test table;
in step S203, according to the first control instruction, the coating toothbrush is controlled to dip standard oral contaminants to coat the dental model to be tested according to a preset coating rule.
As shown in fig. 3, one side of the control box 310 of the detection apparatus 300 can be provided with a detection table 320, the upper surface of the detection table 320 is a table top for installing the dental cast 340 to be detected, specifically, the dental cast installation clamp 360 can be used to fix the dental cast 340 to be detected, and meanwhile, the installation clamp 360 can be used to correspondingly open and close the dental cast 340 to be detected, so as to realize the simulation process of opening and closing the oral cavity. After the dental model 340 to be tested is fixed on the table top, the mounting clip 360 detects and generates a first control command.
The first control instruction is an instruction for controlling the coating toothbrush to carry out dipping and coating of standard oral cavity dirt according to preset coating rules of preset coating moving track, coating force, coating time, coating frequency and the like. Therefore, the coating toothbrush can automatically dip standard oral cavity dirt according to a fixed moving track, then returns along the fixed moving track and performs coating operation of fixing the coating force, the coating time and the coating frequency on the dental model to be tested with a fixed installation position, so that the standard oral cavity dirt can be coated in a fixed and unchangeable coating process.
Wherein, the installation clamp 360 on the detection table 320 can realize the weight acquisition of the clean and dry standard dental model which is fixedly installed, and when the weight is stable and unchanged in a certain time, the first control instruction can be generated in response. And then coating the viscous mixture of the standard oral cavity dirt on the dental model to be tested through the coating toothbrush based on a preset coating rule, wherein the requirement on the coating process is that the standard oral cavity dirt needs to be coated on the inner sides, the outer sides, the occlusal surfaces and the slits of all teeth of the dental model to be tested, so that the test surface is completely covered, and the standard oral cavity dirt is uniformly coated. In addition, standard oral stains applied to the outside of the teeth (e.g., gums) are wiped clean by a wiping procedure. After the uniform coating of the dental model to be measured is finished, the coated dental model to be measured can be further weighed, and the quality of the standard oral cavity dirt coated on the dental model to be measured can be preferably 3.0 +/-0.2 g.
As shown in fig. 3, the mechanical arm 330 disposed on the table top can have a rotary clamping gripper 380 at the arm end, and the rotary clamping gripper 380 can clamp the coated toothbrush in a rotary manner, so that the mechanical arm 330 drives the coated toothbrush to perform a coating process according with a preset coating rule on the dental cast 340 to be tested.
As shown in fig. 1 and 2, step S102 of performing standard stain pre-treatment on the coated dental cast to be tested according to the embodiment of the present disclosure includes steps S204-S205.
In step S204, receiving a second control command generated by the coated dental model to be tested;
in step S205, according to the second control instruction, the dental model to be tested installed on the inspection table is controlled to move to the oven for baking according to the preset baking rule, so as to complete the pretreatment of the standard dirt.
As shown in fig. 3, after the coating process is completed for the dental model to be tested, the mechanical arm 330 controls the coating toothbrush to return to the original starting position, and controls the rotary clamping gripper 380 to automatically detach the coating toothbrush from the mounting fixture, so as to generate a second control command.
When the second control instruction is executed, the to-be-detected tooth model which is fully coated with the standard oral dirt is moved to a 60 ℃ oven to be baked for 2 hours, and the wet standard oral dirt is dried. The preset baking rule is a processing rule related to a corresponding baking pretreatment program such as specific baking time, baking temperature and the like in the baking oven.
As shown in fig. 1 and 2, according to the embodiment of the present disclosure, before step S103 of performing a cleaning procedure on a dental cast to be tested which is pretreated with standard dirt, the control-target electric toothbrush further includes step S206.
In step S206, the pre-cleaning photographing record is performed on the dental model to be tested after the standard stain pretreatment, so as to determine a first residual stain area of the pre-cleaning dental model to be tested.
Through image acquisition devices such as cameras, the front, the left side, the right side, the interior of upper teeth and the interior of lower teeth of the dried dental model to be detected are photographed under the irradiation of 40W light, and the covering state of standard oral cavity dirt on the dental model to be detected before a cleaning procedure is carried out is recorded, such as the coating area (namely, the first residual dirt area) of the standard oral cavity dirt, so as to be used as the reference comparison of the subsequent residual dirt area rate.
As shown in fig. 1 and 2, according to an embodiment of the present disclosure, the control target electric toothbrush performs a step S103 of a cleaning process on a dental model to be tested, which is pre-treated with standard stains, including a step S207.
In step S207, the target electric toothbrush is controlled to perform cleaning on the dental cast to be tested according to a preset cleaning rule by controlling the robot arm holding the target electric toothbrush.
The preset cleaning rule comprises cleaning related fixed rules such as a cleaning moving track, cleaning force, cleaning time and cleaning frequency for controlling the drying of the target electric toothbrush. As shown in fig. 3, the mechanical arm 330 disposed on the table top may have a rotary clamping gripper 380 at the arm end, and the rotary clamping gripper 380 may be used to clamp the target electric toothbrush in a rotary manner, so that the mechanical arm 330 drives the target electric toothbrush to clean the dental cast 340 to be tested according to the preset cleaning rule.
Before cleaning, in order to make the standard oral cavity dirt on the surface of the dental model to be cleaned easier to brush down and better simulate the real tooth brushing scene of the standard oral cavity dirt in the oral cavity, a clean water soaking program can be performed on the dental model to be cleaned after pretreatment before cleaning, and if the dental model to be cleaned is placed in clean water to be soaked for more than 10 seconds, the cleaning program is executed.
The washing time in the preset washing rule can be set to be 2min, the test program selects the most daily cleaning mode, the electric toothbrush cleaning device based on the mechanical arm is used for clamping the electric toothbrush, and the washing rule is set according to the bass tooth brushing rule on the washing moving track, the washing force, the washing time, the washing frequency and the like so as to clean the dental cast to be tested until the washing program is completed.
Specifically, the target electric toothbrush is fixed on a rotary clamping gripper based on a mechanical arm, the electric toothbrush is started, the cleaning time is uniformly set to 2min based on the most daily cleaning mode (the electric toothbrush without the cleaning mode at other parts is selected from other modes), the cleaning movement track is set by combining the bass tooth brushing method, and then the dental model to be tested starts to be cleaned. Wherein, in the process of cleaning and brushing teeth, the dental model to be tested is always kept in a horizontal setting state, and the opening angle of the upper and lower teeth is 60 degrees, thereby realizing the real simulation of the brushing scene of the oral cavity of a human body.
As shown in fig. 1 and 2, according to the embodiment of the present disclosure, after step S103 of performing a cleaning procedure on the dental cast to be tested which is pretreated by the standard stain, the control target electric toothbrush further includes step S208.
In step S208, the cleaned dental model to be tested is photographed and recorded after being cleaned, so as to determine a second residual dirt area of the cleaned dental model to be tested.
As shown in fig. 3, after the cleaning process is completed, the dental model to be tested is immersed in water, the mechanical arm 330 is controlled to shake the dental model to be tested in a specific direction for 20s at a preset frequency and amplitude, so that the residual stain of the standard oral cavity dirt cleaned by the target electric toothbrush is separated from the dental model to be tested, and the dental model is removed from the water and dried or air-dried. As shown in fig. 3, a water tank 370 may be disposed at the position of the detection table 320 corresponding to the mounting clip, for soaking the dental cast to be detected during the detection process.
Through image acquisition devices such as camera, take a picture to the front of the dental cast that awaits measuring of drying under 40W light irradiation equally, the left side, the right side, go up the tooth inside, lower tooth inside, the covering state of standard oral cavity filth on the dental cast that awaits measuring after the cleaning procedure is carried out in the record, like the coating area (be the second remains filth area) of standard oral cavity filth etc. for regard as the reference contrast of follow-up remaining filth area rate, thereby can beat according to the filth residual condition of the inside and outside both sides of every tooth on this size of remaining filth area rate on the dental cast that awaits measuring of cleaning and mark.
As shown in fig. 1 and 2, the step S104 of detecting the area rate of the residual stain on the dental cast to be tested which completes the cleaning procedure according to the embodiment of the present disclosure includes the step S209.
In step S209, a residual dirt area rate is determined from the first residual dirt area and the second residual dirt area.
The method comprises the steps of carrying out image analysis processing on pictures of the dental model to be detected shot before and after tooth brushing so as to respectively obtain a corresponding first residual dirt area and a corresponding second residual dirt area, and taking the ratio of the second residual dirt area to the first residual dirt area as the residual dirt area rate, so that the method can be used for feeding back the areas of residual dirt on the teeth of the dental model to be detected before and after a cleaning procedure is carried out, and further can be used for evaluating the cleaning performance of the target electric toothbrush.
As shown in fig. 1 and 2, according to the embodiment of the present disclosure, after the step S104 of detecting the area rate of the residual stain on the dental cast to be tested after the cleaning procedure is completed, the method further includes a step S210.
In step S210, determining an evaluation score value according to the area ratio of the residual dirt and a preset evaluation rule, wherein the evaluation score value is used for reflecting the cleaning performance of the target electric toothbrush;
wherein, the preset evaluation rule is the corresponding relation between the area rate of the residual dirt and the evaluation score value, and comprises the following steps:
the area rate r of the residual dirt on the tooth model to be measured is equal to 0, and the corresponding evaluation score value g is equal to 0, namely the tooth surface is free of dirt after cleaning is finished;
the area rate of the residual dirt on the tooth model to be detected is more than 0 and less than or equal to 1/5, and the corresponding evaluation score value g is 1, namely, a little scattered point dirt exists on the tooth surface;
r is more than 1/5 and less than or equal to 1/3, and the corresponding evaluation score value g is 2;
r is more than 1/3 and less than or equal to 2/3, and the corresponding evaluation score value g is 3;
the area rate 2/3 of the residual dirt on the tooth model to be tested is more than r and less than 1, and the corresponding evaluation score value g is 4; and
the area rate r of the residual dirt on the tooth model to be tested is equal to 1, the corresponding evaluation score value g is equal to 5, and the tooth surface dirt is completely covered.
And (4) scoring the dirt residue conditions on the inner side and the outer side of each tooth on the cleaned tooth model to be tested according to the preset evaluation rule, namely evaluating a score value. A lower test result score (i.e., evaluation score value) indicates better cleaning. The detection result may be an average value obtained by averaging all the scores obtained by the respective processes of at least 3 detection methods. Specifically, the score of each tooth obtained on the same dental model to be tested can be accumulated to obtain a score, that is, a score (evaluation score value) of the cleaning performance of the electric toothbrush, wherein the lower the score, the better the cleaning performance is represented.
Therefore, the proper resin tooth mould is selected to replace the teeth of a person to be used as the tooth mould to be tested, the vegetable leaf sticky matter is used for simulating the dirt in the oral cavity, and the conditions that the front surface area, the left side area, the right side area, the inner part of the upper teeth and the inner part of the lower teeth of each tooth are obtained by the tooth mould to be tested before and after cleaning are respectively scored, so that the cleaning performance of different electric toothbrushes is evaluated.
The detection method provided by the embodiment of the disclosure can conveniently and quickly evaluate the cleaning effect of the target electric toothbrush, realizes a very high-level automation and intelligence process in the whole detection process, basically does not need human participation, has higher practical application value, can quickly quantify the cleaning effect of the target electric toothbrush, has higher objectivity, authenticity and accuracy, and provides a purchasing basis for consumers.
As shown in fig. 3, another aspect of the present disclosure provides a target electric toothbrush cleaning performance testing apparatus 300 for implementing the testing method as shown in fig. 1 and 2, wherein the apparatus comprises a control box 310, a testing table 320, a plurality of robot arms 330 and an oven. The detection table 320 is electrically connected with the control box 310 and is used for fixing the dental model 340 to be detected; a plurality of robot arms 330 disposed on the inspection station 320, one of the robot arms 330 being for holding the target electric toothbrush 350 to perform a cleaning process, and the other of the robot arms 330 being for holding a coating toothbrush to perform a coating; the oven is disposed on the inspection station 320 and is used for performing standard stain pretreatment on the fixed dental cast 340 to be inspected.
As shown in fig. 3, the apparatus for detecting the cleaning performance of the mechanical arm-based electric toothbrush comprises a control box 310, a human-machine interface 312 is provided on the control box 310, and a plurality of control buttons, such as a power knob, a start button, a stop button, an emergency stop button, etc., are provided below the human-machine interface 312. In addition, one side of the control box 310 is provided with a detection table 320 as a detection station, the dental model 340 to be detected is arranged on the table surface of the station, the mounting clamp 360 as a clamp is used for fixing the dental model 340 to be detected, and a water tank 370 is arranged below the detection station of the detection table 320 and used for storing sewage generated by the water tank in the cleaning process. Meanwhile, the table top is also provided with six mechanical arms 330, the front ends of the six mechanical arms 330 are provided with rotary clamping grippers 380, and the rotary clamping grippers 380 are used for fixing the electric toothbrush 350. Furthermore, the bottom end of the apparatus is provided with a plurality of feet 390 for supporting the apparatus as a whole. In addition, the detection apparatus shown in fig. 3 may actually include the following detection instruments or devices: a tissue triturator (0-12000 r/min), an electronic balance (the induction is 0.0001g), a vacuum pump (the vacuum degree is 0.098mPa) and the like.
So far, the embodiments of the present disclosure have been described in detail with reference to the accompanying drawings.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (13)
1. A method for detecting the cleaning performance of an electric toothbrush comprises the following steps:
responding to the installation of the dental model to be tested, and coating standard oral cavity dirt on the dental model to be tested;
performing standard dirt pretreatment on the coated tooth model to be detected;
controlling the target electric toothbrush to execute a cleaning program on the tooth model to be detected which is pretreated by the standard dirt; and
and detecting the area rate of the residual dirt on the tooth model to be detected after the cleaning procedure is completed, wherein the area rate of the residual dirt is used for reflecting the cleaning performance of the target electric toothbrush.
2. The detection method according to claim 1, wherein the step of applying the standard oral stain to the dental model to be tested in response to the installation of the dental model to be tested is preceded by the steps of:
in response to the test instructions, the standard oral stain is prepared.
3. The method of detecting according to claim 2, wherein the step of preparing the standard oral stain comprises:
obtaining solid vegetable puree and a thickening agent;
pouring the solid vegetable puree into the thickening agent according to a preset proportion and uniformly stirring to prepare the standard oral cavity dirt.
4. The method of claim 3, wherein the step of obtaining the solid puree and the thickening agent comprises:
controlling the mashing machine to perform mincing action in response to the placing of the green vegetables and the distilled water;
and carrying out suction filtration treatment on the green vegetable puree subjected to the mincing action through a vacuum pump to obtain the solid vegetable puree.
5. The method of claim 3, wherein the step of obtaining the solid puree and the thickening agent further comprises:
in response to the mixing of the sodium carboxymethyl cellulose and the distilled water, the mixed sodium carboxymethyl cellulose and distilled water mixture is subjected to heating stirring to obtain the thickener.
6. The test method according to claim 1, wherein said step of applying a standard mouth stain to said dental model to be tested in response to the installation of said dental model to be tested comprises:
receiving a first control instruction generated by mounting the dental model to be detected on the detection table;
and controlling a coating toothbrush to dip the standard oral dirt according to a preset coating rule to coat the to-be-measured dental model according to the first control instruction.
7. The inspection method according to claim 1, wherein the step of pre-treating the coated dental model to be inspected with standard dirt comprises:
receiving a second control instruction generated by the coated dental model to be detected;
and controlling the tooth mould to be tested arranged on the detection table to move to an oven for baking treatment according to a preset baking rule according to the second control instruction so as to finish the pretreatment of the standard dirt.
8. The inspection method according to claim 1, wherein the step of performing a cleaning process on the model to be inspected pretreated with the standard stain by the control-target electric toothbrush further comprises:
and shooting and recording the to-be-detected dental model pretreated by the standard dirt before cleaning so as to determine the first residual dirt area of the to-be-detected dental model before cleaning.
9. The inspection method according to claim 8, wherein the step of performing a cleaning process of the control target electric toothbrush on the dental model to be inspected pretreated with the standard stain comprises:
and controlling the target electric toothbrush to clean the dental model to be tested according to a preset cleaning rule by controlling a mechanical arm for clamping the target electric toothbrush.
10. The inspection method according to claim 9, wherein the step of performing a cleaning process on the model to be inspected pretreated with the standard stain by the control-target electric toothbrush further comprises:
and carrying out photographing record after cleaning the cleaned dental model to be detected so as to determine the second residual dirt area of the cleaned dental model to be detected.
11. The inspection method according to claim 10, wherein the step of inspecting the area rate of the residual stain on the dental model under test completing the cleaning process comprises:
determining the residual dirt area rate from the first residual dirt area and the second residual dirt area.
12. The method for detecting according to claim 1, wherein after the step of detecting the area rate of the residual stain on the dental model to be tested completing the cleaning procedure, the method further comprises:
determining an evaluation score value according to the area rate of the residual dirt and a preset evaluation rule, wherein the evaluation score value is used for reflecting the cleaning performance of the target electric toothbrush;
wherein the preset evaluation rule is a corresponding relation between the area rate of the residual dirt and the evaluation score value, and comprises the following steps:
the area rate r of the residual dirt on the dental model to be tested is equal to 0, and the corresponding evaluation score value g is equal to 0;
r is more than 0 and less than or equal to 1/5, and the evaluation score value g is equal to 1;
r is more than 1/5 and less than or equal to 1/3, and the evaluation score value g is 2;
r is more than 1/3 and less than or equal to 2/3, and the evaluation score value g is 3;
the area rate 2/3 of the residual dirt on the dental model to be tested is more than r and less than 1, and the corresponding evaluation score value g is 4; and
the area rate r of the residual dirt on the dental model to be tested is 1, and the evaluation score value g is 5.
13. An object electric toothbrush cleaning performance test apparatus for implementing the test method of any one of claims 1 to 12, comprising:
a control box for controlling the operation of the device,
the detection table is electrically connected with the control box and used for fixing the dental model to be detected;
a plurality of robot arms disposed on the inspection station, one of the robot arms for holding the target electric toothbrush to perform the washing process, and another of the robot arms for holding the coating toothbrush to perform the coating;
and the oven is arranged on the detection table and used for executing standard pollutant pretreatment on the fixed dental model to be detected.
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