Sliding door operator: Difference between revisions
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A '''sliding door operator''' (or '''sliding door opener''' or '''automatic sliding door operator''') is a device that operates a [[sliding door]] for pedestrian use. It opens the door automatically, waits, then closes it. |
A '''sliding door operator''' (or '''sliding door opener''' or '''automatic sliding door operator''') is a device that operates a [[sliding door]] for pedestrian use. It opens the door automatically, waits, then closes it. |
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[[File:Oorlogsmuseum Overloon.JPG|thumb|Sliding door with opener at the [[Overloon War Museum]], Netherlands]] |
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== Uses == |
== Uses == |
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Sliding door operators are typically used on the outside doors of large retail businesses. (smaller retail businesses prefer [[swing door operator]]s.) |
Sliding door operators are typically used on the outside doors of large retail businesses. (smaller retail businesses prefer [[swing door operator]]s.) They are also used in [[elevator|elevators (lifts)]]. |
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They are also used in [[elevator|elevators (lifts)]] |
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== Triggering == |
== Triggering == |
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A door operator may be triggered in various ways: |
A door operator may be triggered in various ways: |
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* Approach Sensor (such as a radar sensor) - the door opens when a user approaches it. |
* Approach Sensor (such as a [[radar sensor]]) - the door opens when a user approaches it. |
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* Pushbutton - the door opens when a user presses a button. |
* Pushbutton - the door opens when a user presses a button. |
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* Access control - the door opens when |
* Access control - the door opens when an [[access control|access control system]] determines the user is authorized to go through. |
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* Automatically (in the case of elevators) |
* Automatically (in the case of elevators). |
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A trigger from any of the above requests that the door be opened (or reopened if it was closing). |
A trigger from any of the above requests that the door be opened (or reopened if it was closing). |
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== Safety sensors == |
== Safety sensors == |
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A sliding door operator reopens the door if it closes into an obstacle. However, most operators use sensors to prevent the door from ever coming into contact with a user in the first place. |
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Other sensors such as resistance-sensing motors can be used to reverse the closing action of the door after an obstacle is encountered. |
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==Technology== |
==Technology== |
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The operator is placed in the space above the sliding door. |
The operator is placed in the space above the sliding door. |
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An [[electric motor]], geared down to get a lower speed and a higher [[torque]], drives a [[pulley]] at one end of a belt. The door is clamped to the belt. To open the door, the motor turns the pulley, which in turn turns the belt, which in turn drags the door. To close the door, the reverse occurs. |
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To open the door, the motor turns the pulley, which in turn turns the belt, which in turn drags the door. To close the door, the reverse occurs. |
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Historically, elevator doors were opened by a set of mechanical linkages; the motor, geared down, would rotate linked arms, which in turn would drive the door. |
Historically, elevator doors were opened using [[simple harmonic motion]] by a set of mechanical linkages; the motor, geared down, would rotate linked arms, which in turn would drive the door. |
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==Types== |
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There are several types of sliding doors, these are: |
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Operator manufacturers: |
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*'''Ability Auto Door'''[http://www.abilityautodoor.com.au/] |
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*[http://www.nabcoentrances.com Nabco Entrances Incorporated] |
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*[http://www.mgo.com.tr MGO - Best Entrance Solutions] |
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*Tronco[http://www.tronco.com.tr/] |
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*Besam[http://www.besam.com/] |
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*DITEC[http://www.ditec.it/en/] |
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*Dorma[http://www.dorma.com/en/] |
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*Horton Automatics[http://www.hortondoors.com/] |
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*K/M[http://www.kmsystemsinc.com/] |
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*STL Slider[http://www.singaporestl.com/] |
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*LCN[http://www.lcnclosers.com/] |
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*Key Automation[http://www.keyautomation.it/en/] |
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* Standard sliding door (single wing or double wings) |
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* Telescopic sliding door (two wings or four wings) |
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* Circular sliding door (segment circular, semi-circular or full circular) |
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* Sliding folding door (two wings or four wings) |
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* Hermetic sliding door (single wing or double wings) |
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* [[Clean room]] sliding door (single wing or double wings) |
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Safety: |
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*Overview of ANSI standards[http://www.edsdoors.com/ansi_156_10.htm] |
*Overview of ANSI standards [http://www.edsdoors.com/ansi_156_10.htm] |
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*[http://circuitdigest.com/microcontroller-projects/automatic-door-opener-project-using-arduino PIR Sensor based Automatic Door Opener Project] |
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[[Category: |
[[Category:Electromechanical engineering]] |
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[[Category: |
[[Category:Door automation]] |
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[[Category:Doors]] |
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Latest revision as of 23:36, 8 January 2024
 | This article includes a list of references, related reading, or external links, but its sources remain unclear because it lacks inline citations. (October 2023) |
A sliding door operator (or sliding door opener or automatic sliding door operator) is a device that operates a sliding door for pedestrian use. It opens the door automatically, waits, then closes it.
Uses
[edit]Sliding door operators are typically used on the outside doors of large retail businesses. (smaller retail businesses prefer swing door operators.) They are also used in elevators (lifts).
Triggering
[edit]A door operator may be triggered in various ways:
- Approach Sensor (such as a radar sensor) - the door opens when a user approaches it.
- Pushbutton - the door opens when a user presses a button.
- Access control - the door opens when an access control system determines the user is authorized to go through.
- Automatically (in the case of elevators).
A trigger from any of the above requests that the door be opened (or reopened if it was closing).
Safety sensors
[edit]Sensors can be used to detect obstacles in the path of closing doors. The simplest sensor consists of a light beam aimed across the opening: when the beam is broken by an obstacle, the operator prevents the door from closing. Infrared and radar safety sensors are also commonly used.
Other sensors such as resistance-sensing motors can be used to reverse the closing action of the door after an obstacle is encountered.
Technology
[edit]The operator is placed in the space above the sliding door.
An electric motor, geared down to get a lower speed and a higher torque, drives a pulley at one end of a belt. The door is clamped to the belt. To open the door, the motor turns the pulley, which in turn turns the belt, which in turn drags the door. To close the door, the reverse occurs.
Historically, elevator doors were opened using simple harmonic motion by a set of mechanical linkages; the motor, geared down, would rotate linked arms, which in turn would drive the door.
Types
[edit]There are several types of sliding doors, these are:
- Standard sliding door (single wing or double wings)
- Telescopic sliding door (two wings or four wings)
- Circular sliding door (segment circular, semi-circular or full circular)
- Sliding folding door (two wings or four wings)
- Hermetic sliding door (single wing or double wings)
- Clean room sliding door (single wing or double wings)
External links
[edit]- Overview of ANSI standards [1]
- PIR Sensor based Automatic Door Opener Project