CN104192656A - Control circuit for interlocking between contactors of elevator - Google Patents
Control circuit for interlocking between contactors of elevator Download PDFInfo
- Publication number
- CN104192656A CN104192656A CN201410423781.5A CN201410423781A CN104192656A CN 104192656 A CN104192656 A CN 104192656A CN 201410423781 A CN201410423781 A CN 201410423781A CN 104192656 A CN104192656 A CN 104192656A
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- switch
- contactless
- contactless switch
- contactor
- fuse
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Abstract
The invention discloses a control circuit for interlocking between contactors of an elevator. The control circuit comprises a first switch, a second switch, a third switch, a first fuse, a second fuse, a third fuse, a first resistor, a second resistor, a third resistor, a first button switch, a second button switch, a third button switch, a motor, a normally-closed contact switch of the first contactor, a normally-closed contact switch of the second contactor, a normally-open contact switch of the first contactor, a normally-open contact switch of the second contactor, a first switch of the first contactor, a second switch of the first contactor, a third switch of the first contactor, a first switch of the second contactor, a second switch of the second contactor, a third switch of the second contactor and a thermal relay. The first contactor is switched on after being powered on, the motor conducts forward rotation, the first contactor locks by itself, and the motor stops operating first; next, the second contactor is switched on after being powered on, the motor conducts reverse rotation, and the second contactor locks by itself. According to the control circuit, when the motor conducts forward rotation, the first contactor locks by itself, and when the motor conducts reverse rotation, the second contactor locks by itself, so that stable operation of the control circuit is guaranteed.
Description
Technical field
The present invention relates to a kind of control circuit of contactless switch, relate in particular to a kind of control circuit for elevator contactor interlocking.
Background technology
The contactless switch of elevator is for connecting continually the device of motor, it is one of critical elements in elevator, elevator contactor interlocking be for prevented to have started motor forward moving accidentally press again invert button or positive contactor for some reason contact grain connect can not reset and press again invert button and make two contactless switchs be attracting state simultaneously and cause the situation of power supply short circuit to occur, therefore be equipped with the control circuit of elevator contactor interlocking in elevator, there is job insecurity in the control circuit that tradition is used for elevator contactor interlocking, high and baroque problem consumes energy.
Summary of the invention
Object of the present invention provides a kind of control circuit for elevator contactor interlocking with regard to being in order to address the above problem.
In order to achieve the above object, the present invention has adopted following technical scheme:
A kind of control circuit for elevator contactor interlocking, comprise the first switch, second switch, the 3rd switch, the first fuse, the second fuse, the 3rd fuse, the first resistance, the second resistance, the 3rd resistance, the first button switch, the second button switch, the 3rd button switch, motor, the normally closed contact switch of the first contactless switch, the normally closed contact switch of the second contactless switch, the open contact switch of the first contactless switch, the open contact switch of the second contactless switch, the first switch of the first contactless switch, the second switch of the first contactless switch, the 3rd switch of the first contactless switch, the first switch of the second contactless switch, the second switch of the second contactless switch, the 3rd switch and thermal relay of the second contactless switch, described the first switch, described second switch and described the 3rd switch form gang switch, the first switch of described the first contactless switch, the 3rd switch of the second switch of described the first contactless switch and described the first contactless switch forms gang switch, the first switch of described the second contactless switch, the 3rd switch of the second switch of described the second contactless switch and described the second contactless switch forms gang switch, the first terminals of described motor are connected with the first normally open contact of described thermal relay, the second terminals of described motor are connected with the first power end of described thermal relay, the 3rd terminals of described motor are connected with the first normally closed interlock of described thermal relay, the second normally open contact of described thermal relay is connected with the first end of the 3rd switch and first switch of described the second contactless switch of described the first contactless switch respectively, the second source end of described thermal relay is connected with the second switch of described the second contactless switch with the first end of the second switch of described the first contactless switch respectively, the normally closed interlock of described thermal relay is connected with the first end of the first switch and the 3rd switch of described the second contactless switch of described the first contactless switch respectively, the second end of the first switch of described the first contactless switch is connected with the first end of described the second fuse with the second end of the first switch of described the second contactless switch respectively, the second end of the second switch of described the first contactless switch is connected with the first end of described the first resistance with the second end of the second switch of described the second contactless switch respectively, the second end of the 3rd switch of described the first contactless switch is connected with the first end of described the second resistance with the second end of the 3rd switch of described the second contactless switch respectively, the second end of described the second fuse is connected with the first end of described the 3rd switch, the second end of described the first resistance is connected with the first end of described the 3rd fuse with the first end of described second switch respectively, the second end of described the second resistance is connected with the first end of described the first fuse with the first end of described the first switch respectively, the first signal mouth that the second end of described the first switch is described control circuit, the secondary signal mouth that the second end of described second switch is described control circuit, the 3rd signal output part that the second end of described the 3rd switch is described control circuit, the second end of described the 3rd fuse is connected with the first end of described the 3rd resistance, the second end of described the 3rd resistance is connected with the first end of the second contactless switch with the first end of the first contactless switch respectively, the second end of the first contactless switch is connected with the first end of the normally closed contact switch of described the second contactless switch, the second end of the second contactless switch is connected with the first end of the normally closed contact switch of described the first contactless switch, the second end of the normally closed contact switch of described the second contactless switch is connected with the first end of the first end of described the second button switch and the open contact switch of described the first contactless switch respectively, the second end of the normally closed contact switch of described the first contactless switch is connected with the first end of the first end of described the 3rd button switch and the open contact switch of described the second contactless switch respectively, the second end of described the second button switch respectively with second end of open contact switch of described the first contactless switch and the second end of the open contact switch of described the second contactless switch, the first end of described the first button switch is connected with the second end of described the 3rd button switch, the second end of described the first button switch is connected with the second end of described the first fuse.
Beneficial effect of the present invention is:
The present invention is a kind of control circuit for elevator contactor interlocking, when motor forward, the open contact switch closure of the first contactless switch can realize the self-locking of the first contactless switch, the normally closed contact switch of the first contactless switch disconnects, make the second not adhesive of contactless switch, when motor reversal, the open contact switch closure of the second contactless switch can realize the self-locking of the second contactless switch, the normally closed contact switch of the second contactless switch disconnects, make the first not adhesive of contactless switch, guaranteed this control circuit stable operation, this control circuit also has feature simple in structure and that power consumption is low.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of a kind of control circuit for elevator contactor interlocking of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, the invention will be further described:
As shown in Figure 1, a kind of control circuit for elevator contactor interlocking of the present invention, comprise the first switch Q1, second switch Q2, the 3rd switch Q3, the first fuse FU1, the second fuse FU2, the 3rd fuse FU3, the first resistance R 1, the second resistance R 2, the 3rd resistance R 3, the first button switch S1, the second button switch S2, the 3rd button switch S3, motor M, the normally closed contact K switch M1-1 of the first contactless switch, the normally closed contact K switch M2-1 of the second contactless switch, the open contact K switch M1-2 of the first contactless switch, the open contact K switch M2-2 of the second contactless switch, the first K switch M1-3 of the first contactless switch, the second switch KM1-4 of the first contactless switch, the 3rd K switch M1-5 of the first contactless switch, the first K switch M2-3 of the second contactless switch, the second switch KM2-4 of the second contactless switch, the 3rd K switch M2-5 and the thermal relay FR of the second contactless switch, the first switch Q1, second switch Q2 and the 3rd switch Q3 form gang switch, the first K switch M1-3 of the first contactless switch, the 3rd K switch M1-5 of the second switch KM1-4 of the first contactless switch and the first contactless switch forms gang switch, the first K switch M2-3 of the second contactless switch, the 3rd K switch M2-5 of the second switch KM2-4 of the second contactless switch and the second contactless switch forms gang switch, the first terminals of motor M are connected with the first normally open contact of thermal relay FR, the second terminals of motor M are connected with the first power end of thermal relay FR, the 3rd terminals of motor M are connected with the first normally closed interlock of thermal relay FR, the second normally open contact of thermal relay FR is connected with the first end of the 3rd K switch M1-5 and the first K switch M2-3 of the second contactless switch of the first contactless switch respectively, the second source end of thermal relay FR is connected with the first end of second switch KM1-4 and the second switch KM2-4 of the second contactless switch of the first contactless switch respectively, the normally closed interlock of thermal relay FR is connected with the first end of the first K switch M1-3 and the 3rd K switch M2-5 of the second contactless switch of the first contactless switch respectively, the second end of the first K switch M1-3 of the first contactless switch is connected with the first end of the second fuse FU2 with the second end of the first K switch M2-3 of the second contactless switch respectively, the second end of the second switch KM1-4 of the first contactless switch is connected with the first end of the first resistance R 1 with the second end of the second switch KM2-4 of the second contactless switch respectively, the second end of the 3rd K switch M1-5 of the first contactless switch is connected with the first end of the second resistance R 2 with the second end of the 3rd K switch M2-5 of the second contactless switch respectively, the second end of the second fuse FU2 is connected with the first end of the 3rd switch Q3, the second end of the first resistance R 1 is connected with the first end of the 3rd fuse FU3 with the first end of second switch Q2 respectively, the second end of the second resistance R 2 is connected with the first end of the first fuse FU1 with the first end of the first switch Q1 respectively, the first signal mouth that the second end of the first switch Q1 is control circuit, the secondary signal mouth that the second end of second switch Q2 is control circuit, the 3rd signal output part that the second end of the 3rd switch Q3 is control circuit, the second end of the 3rd fuse FU3 is connected with the first end of the 3rd resistance R 3, the second end of the 3rd resistance R 3 is connected with the first end of the second contactless switch with the first end of the first contactless switch respectively, the second end of the first contactless switch is connected with the first end of the normally closed contact K switch M2-1 of the second contactless switch, the second end of the second contactless switch is connected with the first end of the normally closed contact K switch M1-1 of the first contactless switch, the second end of the normally closed contact K switch M2-1 of the second contactless switch is connected with the first end of the first end of the second button switch S2 and the open contact K switch M1-2 of the first contactless switch respectively, the second end of the normally closed contact K switch M1-1 of the first contactless switch is connected with the first end of the first end of the 3rd button switch S3 and the open contact K switch M2-2 of the second contactless switch respectively, the second end of the second button switch S2 respectively with second end of open contact K switch M1-2 of the first contactless switch and the second end of the open contact K switch M2-2 of the second contactless switch, the first end of the first button switch S1 is connected with the second end of the 3rd button switch S3, the second end of the first button switch S1 is connected with the second end of the first fuse FU1.
Principle of work of the present invention is as follows:
The first switch Q1 closes, the gang switch that second switch Q2 and the 3rd switch Q3 form, press the second button switch S2, the first contactless switch KM1 obtains electric adhesive, the normally closed contact K switch M1-1 of the first contactless switch disconnects, the open contact K switch M1-2 of the first contactless switch and by the first K switch M1-3 of the first contactless switch, the gang switch that the 3rd K switch M1-5 of the second switch KM1-4 of the first contactless switch and the first contactless switch forms is closed, make motor M forward, the closure of the open contact K switch M1-2 of the first contactless switch is for realizing the self-locking of the first contactless switch KM1, the normally closed contact K switch M1-1 of the first contactless switch disconnects, make the second not adhesive of contactless switch KM2, make motor M reversion, press the first button switch S1, the first contactless switch KM1 dead electricity disconnects, the open contact K switch M1-2 of the first contactless switch disconnects, motor M shuts down, the normally closed contact K switch M1-1 closure of the first contactless switch is prepared for reversing, press the 3rd button switch S3, the second contactless switch KM2 obtains electric adhesive, the normally closed contact K switch M2-1 of the second contactless switch disconnects, the open contact K switch M2-2 of the second contactless switch and by the first K switch M2-3 of the second contactless switch, the gang switch that the 3rd K switch M2-5 of the second switch KM2-4 of the second contactless switch and the second contactless switch forms is closed, make motor M reversion, the closure of the open contact K switch M2-2 of the second contactless switch is for realizing the self-locking of the second contactless switch KM2, the normally closed contact K switch M2-1 of the second contactless switch disconnects, make the first not adhesive of contactless switch KM1.
Claims (1)
1. the control circuit for elevator contactor interlocking, it is characterized in that: comprise the first switch, second switch, the 3rd switch, the first fuse, the second fuse, the 3rd fuse, the first resistance, the second resistance, the 3rd resistance, the first button switch, the second button switch, the 3rd button switch, motor, the normally closed contact switch of the first contactless switch, the normally closed contact switch of the second contactless switch, the open contact switch of the first contactless switch, the open contact switch of the second contactless switch, the first switch of the first contactless switch, the second switch of the first contactless switch, the 3rd switch of the first contactless switch, the first switch of the second contactless switch, the second switch of the second contactless switch, the 3rd switch and thermal relay of the second contactless switch, described the first switch, described second switch and described the 3rd switch form gang switch, the first switch of described the first contactless switch, the 3rd switch of the second switch of described the first contactless switch and described the first contactless switch forms gang switch, the first switch of described the second contactless switch, the 3rd switch of the second switch of described the second contactless switch and described the second contactless switch forms gang switch, the first terminals of described motor are connected with the first normally open contact of described thermal relay, the second terminals of described motor are connected with the first power end of described thermal relay, the 3rd terminals of described motor are connected with the first normally closed interlock of described thermal relay, the second normally open contact of described thermal relay is connected with the first end of the 3rd switch and first switch of described the second contactless switch of described the first contactless switch respectively, the second source end of described thermal relay is connected with the second switch of described the second contactless switch with the first end of the second switch of described the first contactless switch respectively, the normally closed interlock of described thermal relay is connected with the first end of the first switch and the 3rd switch of described the second contactless switch of described the first contactless switch respectively, the second end of the first switch of described the first contactless switch is connected with the first end of described the second fuse with the second end of the first switch of described the second contactless switch respectively, the second end of the second switch of described the first contactless switch is connected with the first end of described the first resistance with the second end of the second switch of described the second contactless switch respectively, the second end of the 3rd switch of described the first contactless switch is connected with the first end of described the second resistance with the second end of the 3rd switch of described the second contactless switch respectively, the second end of described the second fuse is connected with the first end of described the 3rd switch, the second end of described the first resistance is connected with the first end of described the 3rd fuse with the first end of described second switch respectively, the second end of described the second resistance is connected with the first end of described the first fuse with the first end of described the first switch respectively, the first signal mouth that the second end of described the first switch is described control circuit, the secondary signal mouth that the second end of described second switch is described control circuit, the 3rd signal output part that the second end of described the 3rd switch is described control circuit, the second end of described the 3rd fuse is connected with the first end of described the 3rd resistance, the second end of described the 3rd resistance is connected with the first end of the second contactless switch with the first end of the first contactless switch respectively, the second end of the first contactless switch is connected with the first end of the normally closed contact switch of described the second contactless switch, the second end of the second contactless switch is connected with the first end of the normally closed contact switch of described the first contactless switch, the second end of the normally closed contact switch of described the second contactless switch is connected with the first end of the first end of described the second button switch and the open contact switch of described the first contactless switch respectively, the second end of the normally closed contact switch of described the first contactless switch is connected with the first end of the first end of described the 3rd button switch and the open contact switch of described the second contactless switch respectively, the second end of described the second button switch respectively with second end of open contact switch of described the first contactless switch and the second end of the open contact switch of described the second contactless switch, the first end of described the first button switch is connected with the second end of described the 3rd button switch, the second end of described the first button switch is connected with the second end of described the first fuse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410423781.5A CN104192656A (en) | 2014-08-27 | 2014-08-27 | Control circuit for interlocking between contactors of elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410423781.5A CN104192656A (en) | 2014-08-27 | 2014-08-27 | Control circuit for interlocking between contactors of elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104192656A true CN104192656A (en) | 2014-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410423781.5A Pending CN104192656A (en) | 2014-08-27 | 2014-08-27 | Control circuit for interlocking between contactors of elevator |
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| Country | Link |
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| CN (1) | CN104192656A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104882891A (en) * | 2015-06-16 | 2015-09-02 | 江苏现代电力科技股份有限公司 | Low-voltage distribution voltage-regulation equipment |
| CN107565943A (en) * | 2017-08-27 | 2018-01-09 | 邱诗妍 | Motor start stop switch circuit |
| WO2020257893A1 (en) * | 2019-06-28 | 2020-12-30 | Miranda Sergio Henrique Correia Lima | Automatic elevator rescue equipment |
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| US20070007087A1 (en) * | 2004-02-26 | 2007-01-11 | Mitsubishi Denki Kabushiki Kaisha | Safety device of elevator and its operation testing method |
| CN201409106Y (en) * | 2009-03-17 | 2010-02-17 | 上海梅山钢铁股份有限公司 | Braking device for electrical motor contracting brake |
| CN101820247A (en) * | 2010-03-31 | 2010-09-01 | 江门市蒙德电气有限公司 | Electric control loop of elevator main motor |
| CN203645310U (en) * | 2013-10-25 | 2014-06-11 | 重庆奥冠钢管有限公司 | Clockwise/counterclockwise rotation control circuit of motor used for conveying steel pipes |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070007087A1 (en) * | 2004-02-26 | 2007-01-11 | Mitsubishi Denki Kabushiki Kaisha | Safety device of elevator and its operation testing method |
| CN2702504Y (en) * | 2004-03-17 | 2005-05-25 | 戴开煌 | Adaptive positive direction rotation and reverse rotation control device for three-phase AC motor power supply phase sequence |
| CN201409106Y (en) * | 2009-03-17 | 2010-02-17 | 上海梅山钢铁股份有限公司 | Braking device for electrical motor contracting brake |
| CN101820247A (en) * | 2010-03-31 | 2010-09-01 | 江门市蒙德电气有限公司 | Electric control loop of elevator main motor |
| CN203645310U (en) * | 2013-10-25 | 2014-06-11 | 重庆奥冠钢管有限公司 | Clockwise/counterclockwise rotation control circuit of motor used for conveying steel pipes |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104882891A (en) * | 2015-06-16 | 2015-09-02 | 江苏现代电力科技股份有限公司 | Low-voltage distribution voltage-regulation equipment |
| CN104882891B (en) * | 2015-06-16 | 2018-05-04 | 江苏现代电力科技股份有限公司 | Low-voltage distribution voltage adjusting device |
| CN107565943A (en) * | 2017-08-27 | 2018-01-09 | 邱诗妍 | Motor start stop switch circuit |
| CN107565943B (en) * | 2017-08-27 | 2020-06-05 | 方大电机股份有限公司 | Motor start-stop switch circuit |
| WO2020257893A1 (en) * | 2019-06-28 | 2020-12-30 | Miranda Sergio Henrique Correia Lima | Automatic elevator rescue equipment |
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Application publication date: 20141210 |