JP2012074150A - Lighting control device and lighting control system including the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lighting control device and a lighting control system including the device capable of improving a working efficiency in use.SOLUTION: A lighting control system 1 comprises a lighting control device 2 and an external terminal device 3. The external terminal device 3 outputs time information on a predetermined region to the lighting control device 2. The lighting control device 2 comprises a timer control part 251 which defines the time at which the lighting state of a lighting fixture 4 is changed as a control time based on the above time information and the time schedule set in advance, a lighting control part 252 which controls the lighting state of the lighting fixture 4 at the above control time, and a communication part 24 which communicates with the external terminal device 3. The communication part 24 is connected to the external terminal device 3 on a one-on-one base. The timer control part 251 acquires the time information from the external terminal device 3 via the communication part 24.

Description

  The present invention relates to a lighting control device that controls a lighting state of a lighting fixture and a lighting control system including the same.

  2. Description of the Related Art Conventionally, there is known an illumination control device that controls a dimming level of a lighting fixture according to a preset time schedule for the purpose of saving energy, for example (see, for example, Patent Documents 1 to 3). In the lighting control device as described above, when the lighting apparatus is controlled according to the time schedule, it is necessary to first set the time measured by the time measuring unit to the correct current time.

JP 2002-252092 A JP 2008-135228 A Japanese Patent No. 3800030

  However, in the conventional lighting control device, in setting work at the time of use, unless a person (for example, a contractor or a user) manually inputs information on the current time required for adjusting the time measured by the time measuring unit. did not become. In addition, even in a conventional lighting control device manufacturing factory, it is necessary for the manufacturer to manually input information on the current time, which also serves as a quality confirmation test before shipment.

  The lighting control apparatus as described above often has a poor man-machine interface compared to a personal computer, a cellular phone, a PDA (Personal Digital Assistant), or the like due to cost constraints. Unlike a device that is always operated, such as a personal computer, the lighting control device basically requires a person to perform the setting work once after the installation, and after that, the setting work can be performed once a month at most. Yes, the above-mentioned setting work cannot cost more than necessary.

  On the other hand, in a manufacturing factory, since a manufacturer performs setting work for a large number of lighting control devices per day, setting work for each lighting control device should be easy and short.

  The present invention has been made in view of the above points, and an object of the present invention is to provide an illumination control device and an illumination control system including the illumination control device that can increase work efficiency during use.

  The lighting control device of the present invention includes a timer control unit that determines a time for changing a lighting state of a lighting fixture as a control time from time information of a predetermined area and a preset time schedule, and the control time at the control time A lighting control unit that controls a lighting state of the lighting fixture; and a communication interface unit that is connected to the external terminal device that outputs the time information to a connection destination in a one-to-one relationship and communicates with the external terminal device; The control unit acquires the time information from the external terminal device via the communication interface unit.

  In this lighting control apparatus, used together with a plurality of system master units provided corresponding to each system for a plurality of systems, the lighting fixture is divided into the plurality of systems, the lighting control unit, It is preferable to control the lighting state of the lighting fixture for each system.

  This lighting control device preferably includes a backup power source that maintains the time information acquired from the external terminal device.

  In this lighting control apparatus, it is preferable that the time information includes at least one of the local time information and the sunrise / sunset time information of the area together with the current time of the area.

  In this lighting control apparatus, it is preferable that the lighting control device further includes an output unit that outputs lighting control information for setting the lighting state controlled by the lighting control unit to the lighting fixture, and the communication unit and the output unit are preferably common. .

  In this illumination control apparatus, it is preferable that the timer control unit obtains the time schedule information from the outside.

  The illumination control system of the present invention includes the illumination control device and an external terminal device that outputs time information of a predetermined area to the illumination control device.

  In this lighting control system, a simulation execution unit that performs a simulation of a change in brightness of the lighting fixture over time using information on the time schedule, and a simulation result display unit that displays a simulation result of the simulation execution unit, It is preferable to provide.

  According to the present invention, since it is not necessary for the user to manually input time information, work efficiency during use can be improved, and convenience for the user can be improved.

It is a block diagram which shows the structure of the illumination control system which concerns on Embodiment 1. FIG. It is the schematic which shows the connection state of the illumination control system which concerns on the same as the above. It is a block diagram which shows the structure of the illumination control system which concerns on Embodiment 2. FIG. It is the illumination control apparatus which concerns on Embodiment 3, Comprising: (a) is the schematic which shows the connection state at the time of a shipping inspection, (b) is the schematic which shows the connection state at the time of use.

  In the following first and second embodiments, a lighting control system for controlling the lighting state of the lighting fixture will be described.

(Embodiment 1)
As shown in FIG. 1, the lighting control system 1 according to the first embodiment is a system that controls lighting states of a plurality of lighting fixtures 4 according to a time schedule, and is used in, for example, an office or a store. The illumination control system 1 of the present embodiment includes an illumination control device 2 that controls the lighting state of a plurality of dimmable lighting fixtures 4 and an external terminal device 3 that is provided separately from the illumination control device 2. Yes.

  The luminaire 4 includes a lamp and a lighting device (not shown) for irradiating a preset area. As the lamp, for example, a white LED (Light Emitting Diode), RGB-LED, fluorescent lamp, incandescent lamp, organic EL (ElectroLuminescence), HID (High Intensity Discharge) lamp, or the like is used. The lighting device controls dimming (including lighting and extinguishing) for the lamp according to the dimming signal received from the illumination control device 2. That is, the lighting state of the lighting fixture 4 changes according to the control by the lighting control device 2. Depending on the type of lamp, the lighting device controls not only dimming but also toning.

  The lighting control device 2 is a device provided as a main component of a computer (including a microcomputer) on which a CPU (Central Processing Unit) and a memory are mounted, and is provided separately from the lighting fixture 4. The lighting control device 2 is a wall-mounted type device that is mainly attached to a wall of a building. The lighting control device 2 communicates with a timekeeping unit 21 that measures the current time, a storage unit 22 that stores various information, a dimming signal output unit 23 that outputs a dimming signal to the lighting fixture 4, and an external terminal device 3. A communication unit 24 for controlling the control unit 25 and a control unit 25 for controlling each unit of the illumination control device 2. Furthermore, the illumination control device 2 operates when the user performs an input operation, a main power source 27 that supplies power from a commercial power source (not shown) to each unit, and operates when the main power source 27 is stopped. And a backup power supply 28.

  The lighting control device 2 performs the following time schedule control. Time schedule control is control of automatically switching the lighting state of the lighting fixture 4 according to a preset schedule. For example, when controlling a plurality of luminaires 4 installed in a store, only some of the luminaires 4 are turned on during the preparation time, or the dimming level of each luminaire 4 is set lower than usual. To save energy. On the other hand, the illuminance of each lighting fixture 4 is set to an appropriate illuminance during opening hours, and the illuminance of each lighting fixture 4 is set to be higher than the appropriate illuminance during a time when there are many customers such as bargain time. As a result, an appropriate lighting environment is obtained for each time zone, and unnecessary lighting is reduced to save energy.

  The time measuring unit 21 is, for example, a real time clock (RTC), and measures the current time. The current time includes not only the year / month / day but also the day of the week.

  The storage unit 22 includes, for example, a memory such as an EEPROM (Electrically Erasable Programmable Read Only Memory) or a flash ROM and its peripheral circuits, and stores a preset time schedule.

  The dimming signal output unit 23 has an output port (not shown) for each system, and is received from the control unit 25 for the luminaire 4 connected to each output port via a dedicated signal line 7. A dimming signal including lighting control information is output. That is, the dimming signal output unit 23 outputs a dimming signal for each system. The dimming signal output unit 23 has a function as an output unit.

  The dimming signal is a signal for controlling the light output level of the lighting fixture 4 (color temperature depending on the type of lamp). That is, the dimming signal includes illumination control information for making the lighting state controlled by the illumination control unit 252 described later. The dimming signal is an analog signal or a digital signal such as an analog DC voltage or a duty ratio of a pulse signal. In the dimming signal of the present embodiment, dimming level information is output to the luminaire 4 for each system according to the duty ratio (on duty) of the pulse signal.

  The communication unit 24 has a communication interface function for communicating with the external terminal device 3 and is connected to the external terminal device 3 on a one-to-one basis through the signal line 6 as necessary. In the present embodiment, for the communication between the illumination control device 2 and the external terminal device 3, for example, an inexpensive infrared communication that is inexpensive and standardized by the IrDA (Infrared Data Association) standard or the like is used. Thereby, the communication between the illumination control device 2 and the external terminal device 3 can be established at low cost. The communication unit 24 has a function as a communication interface unit.

  The external terminal device 3 has a communication interface function for communicating with the lighting control device 2, and outputs time information of a predetermined area to the lighting control device 2. The external terminal device 3 of this embodiment is a mobile phone as shown in FIG. The mobile phone as the external terminal device 3 has good operability and is equipped with a time correction function, so that an accurate current time can be set. The mobile phone is further equipped with a function of knowing a location such as a GPS (Global Positioning System) function, and a function of outputting summer time information, sunrise time information, and sunset time information. In the present embodiment, the predetermined area refers to an area where the lighting control device 2 is installed (hereinafter referred to as “installation area”). From the above, the external terminal device 3 has the accurate current time of the installation area as the time information, the summer time information of the installation area, the sunrise time information of the installation area, and the sunset time of the installation area. Information is acquired and held from outside. The mobile phone which is the external terminal device 3 can output (transmit) the time information to the outside by an output (transmission) method similar to other information such as a telephone number or an address book.

  The control unit 25 uses a CPU mounted on a computer as a main component, and operates according to a program to execute functions of a timer control unit 251 and an illumination control unit 252 described later. The CPU that is the main component of the control unit 25 may be formed integrally with the storage unit 22.

  The timer control part 251 determines the time (henceforth "control time") which changes the lighting state of the lighting fixture 4 for every system | strain from the time information and time schedule of an installation area for every system | strain.

  The timer control unit 251 acquires time information necessary for determining the control time as described above from the external terminal device 3 via the communication unit 24. The time information acquired by the timer control unit 251 includes accurate current time information at the time of acquisition, sunrise time information and sunset time information, and summer time information.

  The timer control unit 251 uses the current time information acquired from the external terminal device 3 to adjust the time so that the time measurement unit 21 accurately measures the current time. The timer control unit 251 sets the sunrise time information and the sunset time information acquired from the external terminal device 3 in the sunrise time column and the sunset time column of the time schedule. Furthermore, the timer control unit 251 changes the time and time schedule counted by the time measuring unit 21 according to the daylight saving time information acquired from the external terminal device 3.

  The illumination control unit 252 generates illumination control information for changing the lighting state of the luminaire 4 for each system when the current time measured by the timer unit 21 becomes the control time. That is, the illumination control unit 252 generates illumination control information for each system so that the lighting fixture 4 has a dimming level corresponding to the control time according to the time schedule in the storage unit 22. The lighting control unit 252 controls the dimming signal output unit 23 to cause the lighting fixture 4 to output a dimming signal including the lighting control information. That is, the lighting control unit 252 outputs a dimming signal including lighting control information related to “system 1” to the lighting fixture 41, and outputs a dimming signal including lighting control information related to “system 2” to the lighting fixture 42. The dimming signal output unit 23 is controlled as described above. The other systems are the same as “system 1” and “system 2”. For example, for “system n”, the illumination control unit 252 sends a dimming signal including illumination control information related to “system n” to the luminaire 4n. The dimming signal output unit 23 is controlled so as to be output.

  As shown in FIG. 2, the operation unit 26 includes a plurality of push switches 261 and a display unit 262, and is used when a user inputs a current time or a time schedule. The push switch 261 is provided for each operation content, and basic settings such as time schedule control content are performed by the user. The set value is stored in the storage unit 22. The display unit 262 is, for example, a liquid crystal (LCD) display or a 7-segment LED display, and displays input information so that the information input by the user can be confirmed, or displays the current time. To do. The display content of the display unit 262 is controlled by the control unit 25. The operation unit 26 is not limited to the above configuration, and may be a touch panel type liquid crystal display unit (for example, also used as the display unit 262) instead of the push switch 261.

  The backup power supply 28 shown in FIG. 1 operates when the main power supply 27 is stopped, and is used by the timer unit 21 for timing.

  As an example of use of the lighting control system 1 of the present embodiment, in an office or the like, for example, in the daytime period (excluding the lunch break time period), the lighting fixture 4 of the system near the window is set to a dimming level lower than usual, During the lunch break, the lighting fixtures 4 of all systems are turned off.

  As described above, according to the lighting control system 1 of the present embodiment, the timer control unit 251 acquires time information of a predetermined region (installation region) from the external terminal device 3, so that the user manually sets the time information. Since there is no need to input, the work efficiency at the time of use can be improved, and the convenience for the user can be improved.

  The illumination control system 1 according to the present embodiment does not require a means for receiving radio waves as compared with a case where a radio timepiece that automatically sets the current time is built-in, so that the cost can be reduced and the range in which radio waves reach can be reduced. Since there is no need to consider, there is no limitation on the installation location. The lighting control system 1 according to the present embodiment can reduce the cost and can be smaller than a case where the lighting control system 1 includes a means for obtaining a current time by connecting to a network time server (NTP (Network Time Protocol) server). Can be.

  Further, according to the lighting control system 1 of the present embodiment, the daylight saving time information of the predetermined area (installation area), the sunrise time information and the sunset time information of the area are not manually obtained by the user. Since the timer control unit 251 can obtain from the external terminal device 3, the input operation by the user can be reduced, and the convenience for the user can be enhanced.

  The illumination control system 1 according to the present embodiment can reduce the cost as compared with a case where a means for positioning the installation area by the GPS function to obtain the sunrise time and the sunset time is provided.

  Furthermore, according to the illumination control system 1 of the present embodiment, since the time correction function is mounted on the mobile phone that is the external terminal device 3, accurate current time information can be easily acquired from the mobile phone. .

(Embodiment 2)
Embodiment 2 demonstrates the case where the illumination control system 1 is used with the some system main | base station 5 as shown in FIG. Hereinafter, the illumination control system 1 of the present embodiment will be described with reference to FIG. In addition, about the component similar to the illumination control system 1 (refer FIG. 1) of Embodiment 1, the same code | symbol is attached | subjected and description is abbreviate | omitted.

  As shown in FIG. 3, the illumination control system 1 of the present embodiment is used together with a plurality of system master units 5 provided corresponding to a plurality of systems for each system. The lighting fixture 4 is divided into a plurality of systems. That is, the lighting fixture 4 is connected to the signal line 7 of each system.

  The lighting control device 2 and the system base unit 5 are connected by a signal line 8 of RS-485 (EIA-485). Since RS-485 can extend the wiring length to 1200 m, it can be handled by a single lighting control device 2 even in a large store or office. Moreover, since the illumination control device 2 can be connected to a plurality of system master units 5 by bus wiring, a plurality of systems can be controlled by a single illumination control device 2.

  The illumination control device 2 of this embodiment includes a control device side communication unit 29 instead of the dimming signal output unit 23.

  The control device side communication unit 29 transmits the lighting control information for the lighting fixture 4 to the system parent device 5. The illumination control information includes the system address of the transmission destination. That is, the lighting control information related to “system 1” includes the address of the system parent 51, the lighting control information related to “system 2” includes the address of the system parent 52, and the lighting control information related to “system n”. Contains the address of the parent system 5n. The control device side communication unit 29 has a function as an output unit. In addition, description is abbreviate | omitted about the function similar to the light control signal output part 23 (refer FIG. 1) of Embodiment 1. FIG.

  The illumination control unit 252 of the present embodiment controls the lighting state of the lighting fixture 4 for each system via the system master unit 5. That is, the illumination control unit 252 outputs the illumination control information related to “system 1” to the system master 51, outputs the illumination control information related to “system 2” to the system master 52, and the illumination control information related to “system n”. Is output to the system base unit 5n. In addition, description is abbreviate | omitted about the function similar to the illumination control part 252 (refer FIG. 1) of Embodiment 1. FIG.

  The system base unit 5 outputs a dimming signal to the system base unit side control unit 502 that controls each part of the system base unit 5 and the lighting fixture 4. The light control signal output unit 503 is provided, and is connected to the lighting control device 2 on a one-to-one basis or on a bus. When the dimming signal is an analog signal, it has a function of converting the illumination control information, which is a digital signal from the illumination control device 2, into an analog dimming signal. The dimming signal is not limited to an analog signal, and may be a digital signal.

  The system master-side control unit 502 converts the lighting control information acquired via the system master-side communication unit 501 into a dimming signal, and adjusts the dimming signal so as to output the dimming signal to the lighting fixtures 4 in the system. The optical signal output unit 503 is controlled. When the lighting control device 2 and the system base unit 5 are connected by bus, the system base unit side control unit 502 extracts only the information corresponding to its own system from the lighting control information from the lighting control device 2 ( System address is used).

(Embodiment 3)
In the third embodiment, a shipping inspection at the manufacturing factory of the lighting control device 2 will be described. Hereinafter, the illumination control apparatus 2 of this embodiment is demonstrated using FIG. 3 and FIG. In addition, about the component similar to the illumination control apparatus 2 (refer FIG. 3) of Embodiment 2, the same code | symbol is attached | subjected and description is abbreviate | omitted.

  In the illumination control device 2 of the present embodiment, the communication unit 24 shown in FIG. 3 is also used as the control device side communication unit 29.

  As illustrated in FIG. 4A, the external terminal device 3 according to the present embodiment is, for example, a personal computer, and is an inspection device installed in the manufacturing factory of the illumination control device 2. The personal computer as the external terminal device 3 has a built-in shipping inspection program used for shipping inspection, and in the manufacturing factory, the lighting control device 2 is inspected via the converter 31 that converts between RS-485 standard and USB standard. Connected. Note that description of functions similar to those of the external terminal device 3 (see FIG. 3) of the second embodiment is omitted.

  The personal computer that is the external terminal device 3 of the present embodiment communicates with a time server (NTP server) on a network (Internet) and acquires an accurate current time. Accordingly, the external terminal device 3 outputs the current time information to the converter 31 according to the sequence of the shipping inspection program, and the converter 31 converts the USB signal into the RS-485 signal and transmits it to the illumination control device 2. The lighting control device 2 can set the current time.

  In addition, the external terminal device 3 of the present embodiment has time schedule information, and can transmit the time schedule information to the lighting control device 2. Since the personal computer can set a time schedule and transmit information on the set time schedule to the lighting control device 2 with a man-machine interface having better operability than the lighting control device 2, the convenience of the user is improved. be able to.

  The timer control unit 251 (see FIG. 3) according to the present embodiment acquires time schedule information from the external terminal device 3.

  The backup power supply 28 (see FIG. 3) of the present embodiment is not only used for the time measurement of the time measuring unit 21 when the main power supply 27 is stopped or before the main power supply 27 is used, but also the time acquired from the external terminal device 3. Used to maintain information.

  In addition, the external terminal device 3 according to the present embodiment uses a time schedule information to execute a simulation execution function for executing a simulation of a change in brightness of the lighting fixture 4 over time, and a simulation for displaying a simulation result of the simulation execution unit. Execute the result display function. The external terminal device 3 of this embodiment has functions as a simulation execution unit and a simulation result display unit.

  As described above, the lighting control device 2 inspected before shipment is connected to each parent system 5 as shown in FIG. 4B in the installation area, and the lighting fixture 4 is turned on for each system. To control.

  As described above, according to the lighting control system 1 of the present embodiment, the communication unit 24 is also used as the control device-side communication unit 27, whereby the lighting control device 2 can be reduced in size and the cost of the lighting control device 2 can be reduced. Can be lowered.

  Further, according to the lighting control system 1 of the present embodiment, the time information acquired from the external terminal device 3 can be maintained by the backup power supply 28, and therefore the place where the time information is acquired is different from the manufacturing factory (installation place). Even if it is a place), it can respond. As a result, for example, the time information can be easily acquired at the manufacturing factory of the lighting control device 2, and the efficiency of the process inspection at the manufacturing factory can be increased.

  Furthermore, according to the lighting control system 1 of the present embodiment, the time schedule is set by the external terminal device 3 (personal computer) having a man-machine interface with more operability than the lighting control device 2, and information on the time schedule after the setting is made. Can be acquired from the external terminal device 3, the convenience of the user can be improved.

  Moreover, according to the illumination control system 1 of the present embodiment, the brightness change of the luminaire 4 can be displayed on the external terminal device 3 in advance, so that the user can confirm the energy saving effect and the rendering effect. , User convenience can be enhanced.

  As a modification of the first to third embodiments, the timer control unit 251 does not acquire all the information about the summer time information, the sunrise time information, and the sunset time information from the external terminal device 3, but at least Any one piece of information may be acquired from the external terminal device 3.

  As another modification of the first to third embodiments, communication between the communication unit 24 and the external terminal device 3 is not infrared communication, but a dedicated line (for example, RS-232C, RS-485, USB (Universal Serial Bus), etc. ) Or wireless communication using radio waves (for example, a wireless local area network (LAN) or Bluetooth (registered trademark)).

  As another modification of the first to third embodiments, the lighting control device 2 is a ceiling-mounted device that is attached to the ceiling when the user can operate the lighting control device 2 with a remote control device (remote control). May be.

  As another modification of the first to third embodiments, the dimming signal output unit 23 (503) controls the lighting state of the lighting fixture 4 by controlling the amount of power supplied to the lighting fixture 4. Good.

  As another modification of the first to third embodiments, the dimming signal may be a radio signal using a power line carrier signal or a radio wave instead of a signal by a dedicated signal line.

  As a modification of the second and third embodiments, the lighting fixtures 4 connected to the system master unit 5 are not limited to a single system, and may be further subgrouped. In the case of this modification, it is only necessary to add not only the system address but also the subgroup address to the illumination control information signal (RS-485 signal).

  As another modification of the second and third embodiments, the communication between the illumination control device 2 and the system parent device 5 is not limited to a dedicated line, and may be communication using infrared rays or radio waves.

  As a modification of the third embodiment, the lighting control device 2 may acquire the simulation result of the brightness change of the lighting fixture 4 from the external terminal device 3 and display it on the display unit 262. In the case of this modification, the display unit 262 has a function as a simulation result display unit.

  As another modification of the third embodiment, a personal computer different from the shipping inspection personal computer at the manufacturing factory may be used. In the case of this modification, another personal computer may transfer the time schedule information to the shipping inspection personal computer via a LAN (Local Area Network) or the like.

  In Embodiments 1 to 3, dimming control has been described as control of the lighting state of the lighting fixture 4, but as a modification of Embodiments 1 to 3, the lighting state of the lighting fixture 4 is controlled from the lamp of the lighting fixture 4. Toning control for controlling the color temperature of the emitted light may be used. The toning control is performed instead of the dimming control or together with the dimming control. For example, when the lamp is an RGB-LED, the lighting control device 2 can control the toning of the light emitted from the lamp if the lighting control device 2 transmits information on the dimming level for each color to the lighting fixture 4.

DESCRIPTION OF SYMBOLS 1 Lighting control system 2 Lighting control apparatus 23 Light control signal output part (output part)
24 Communication unit (communication interface unit)
251 Timer control unit 252 Illumination control unit 262 Display unit (simulation result display unit)
28 Backup power supply 29 Controller side communication unit (output unit)
3 External terminal devices (simulation execution unit, simulation result display unit)
4 (41, 42, ..., 4n) Lighting fixture 5 (51, 52, ..., 5n)

Claims (8)

A timer control unit that determines a time for changing the lighting state of the lighting fixture as a control time from time information in a predetermined area and a preset time schedule,
An illumination control unit that controls the lighting state of the luminaire at the control time;
A communication interface unit connected to the external terminal device that outputs the time information to a connection destination on a one-to-one basis and communicating with the external terminal device;
The said timer control part acquires the said time information from the said external terminal device via the said communication interface part. The lighting control apparatus characterized by the above-mentioned. It is used with a plurality of system master units provided corresponding to each system for a plurality of systems,
The lighting fixture is divided into the plurality of systems,
The lighting control device according to claim 1, wherein the lighting control unit controls a lighting state of the lighting fixture for each of the systems.   The lighting control device according to claim 1, further comprising a backup power source that maintains the time information acquired from the external terminal device.   The time information includes at least one of information on the daylight saving time of the region and information on sunrise / sunset time of the region, together with the current time of the region. The lighting control device described in 1. An output unit that outputs lighting control information for turning on the lighting controlled by the lighting control unit to the lighting fixture;
The lighting control device according to claim 1, wherein the communication unit is also used as the output unit.   The lighting control device according to claim 1, wherein the timer control unit acquires information on the time schedule from the outside. The illumination control device according to any one of claims 1 to 6,
An external control device that outputs time information of a predetermined area to the illumination control device. A simulation execution unit for executing a simulation of a change in brightness of the lighting apparatus over time using information of the time schedule;
The lighting control system according to claim 7, further comprising: a simulation result display unit that displays a simulation result of the simulation execution unit.

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