CN104709787A - Control circuit for interlocking of elevator contactors - Google Patents
Control circuit for interlocking of elevator contactors Download PDFInfo
- Publication number
- CN104709787A CN104709787A CN201310678306.8A CN201310678306A CN104709787A CN 104709787 A CN104709787 A CN 104709787A CN 201310678306 A CN201310678306 A CN 201310678306A CN 104709787 A CN104709787 A CN 104709787A
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- CN
- China
- Prior art keywords
- switch
- contactless
- contactless switch
- contactor
- fuse
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/3415—Control system configuration and the data transmission or communication within the control system
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Computer Networks & Wireless Communication (AREA)
- Control Of Ac Motors In General (AREA)
Abstract
The invention discloses a control circuit for interlocking of elevator contactors. 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 a first contactor, a normally-closed contact switch of a 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 electrified and closed, and the motor rotates forwards; the first contactor is locked; firstly the motor stops running; then the second contactor is electrified and closed, and the motor rotates reversely; the second contactor is locked. According to the invention, when the motor rotates forwards, the first contactor is locked; when the motor rotates reversely, the second contactor is locked, and therefore the control circuit can work stably.
Description
Technical field
The present invention relates to a kind of control circuit of contactless switch, particularly relate to a kind of control circuit for elevator contactor interlocking.
Background technology
The contactless switch of elevator is used for the device connecting motor continually, it is one of critical elements in elevator, elevator contactor interlocking be in order to prevent to start motor rotate forward run accidentally press again invert button or positive contactor for some reason contact grain connect and can not reset and press invert button again and make two contactless switchs cause the situation of power supply short circuit to occur in attracting state simultaneously, therefore in elevator, be equipped with the control circuit of elevator contactor interlocking, there is job insecurity in the control circuit being conventionally used to elevator contactor interlocking, consume energy high and baroque problem.
Summary of the invention
Object of the present invention is just to provide a kind of control circuit for elevator contactor interlocking to solve the problem.
In order to achieve the above object, present invention employs following technical scheme: a kind of control circuit for elevator contactor interlocking, comprise the first switch, second switch, 3rd switch, first fuse, second fuse, 3rd fuse, first resistance, second resistance, 3rd resistance, first button switch, second button switch, 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, first switch of the first contactless switch, the second switch of the first contactless switch, 3rd switch of the first contactless switch, first switch of the second contactless switch, the second switch of the second contactless switch, 3rd switch and thermal relay of the second contactless switch, described first switch, described second switch and described 3rd switch composition gang switch, first switch of described first contactless switch, the second switch of described first contactless switch and the 3rd switch composition gang switch of described first contactless switch, first switch of described second contactless switch, the second switch of described second contactless switch and the 3rd switch composition gang switch of described second contactless switch, first terminals of described motor are connected with the first normally open contact of described thermal relay, second terminals of described motor are connected with the first power end of described thermal relay, 3rd terminals of described motor are connected with the first normally closed interlock of described thermal relay, second normally open contact of described thermal relay is connected with the first end of the 3rd switch of described first contactless switch and the first switch of described second contactless switch respectively, the second source end of described thermal relay is connected with the first end of the second switch of described first contactless switch and the second switch of described second contactless switch respectively, the normally closed interlock of described thermal relay is connected with the first end of the first switch of described first contactless switch and the 3rd switch of described second contactless switch respectively, second end of the first switch of described first contactless switch is connected with the second end of the first switch of described second contactless switch and the first end of described second fuse respectively, second end of the second switch of described first contactless switch is connected with the second end of the second switch of described second contactless switch and the first end of described first resistance respectively, second end of the 3rd switch of described first contactless switch is connected with the second end of the 3rd switch of described second contactless switch and the first end of described second resistance respectively, second end of described second fuse is connected with the first end of described 3rd switch, second end of described first resistance is connected with the first end of described second switch and the first end of described 3rd fuse respectively, second end of described second resistance is connected with the first end of described first switch and the first end of described first fuse respectively, second end of described first switch is the first signal output part of described control circuit, second end of described second switch is the secondary signal mouth of described control circuit, second end of described 3rd switch is the 3rd signal output part of described control circuit, second end of described 3rd fuse is connected with the first end of described 3rd resistance, second end of described 3rd resistance is connected with the first end of the first contactless switch and the first end of the second contactless switch respectively, second end of the first contactless switch is connected with the first end of the normally closed contact switch of described second contactless switch, second end of the second contactless switch is connected with the first end of the normally closed contact switch of described first contactless switch, second end of the normally closed contact switch of described second contactless switch is connected with the first end of the first end of described second button switch and the open contact switch of described first contactless switch respectively, second end of the normally closed contact switch of described first contactless switch is connected with the first end of the first end of described 3rd button switch and the open contact switch of described second contactless switch respectively, second end of described second button switch respectively with the second end of the second end of the open contact switch of described first contactless switch and the open contact switch of described second contactless switch, the first end of described first button switch is connected with the second end of described 3rd button switch, second end of described first button switch is connected with the second end of described first fuse.
Beneficial effect of the present invention is: the present invention is a kind of control circuit for elevator contactor interlocking, when motor rotates forward, the open contact switch of the first contactless switch closes the self-locking that can realize the first contactless switch, the normally closed contact switch of the first contactless switch disconnects, make the second contactless switch not adhesive, when motor reversal, the open contact switch of the second contactless switch closes the self-locking that can realize the second contactless switch, the normally closed contact switch of the second contactless switch disconnects, make the first contactless switch not adhesive, ensure that this control circuit stable operation, this control circuit also has the feature that structure is simple and 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.
Detailed description of the invention
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, 3rd switch Q3, first fuse FU1, second fuse FU2, 3rd fuse FU3, first resistance R1, second resistance R2, 3rd resistance R3, first button switch S1, second button switch S2, 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, first K switch M1-3 of the first contactless switch, the second switch KM1-4 of the first contactless switch, 3rd K switch M1-5 of the first contactless switch, first K switch M2-3 of the second contactless switch, the second switch KM2-4 of the second contactless switch, 3rd K switch M2-5 of the second contactless switch and thermal relay FR, first switch Q1, second switch Q2 and the 3rd switch Q3 forms gang switch, first K switch M1-3 of the first contactless switch, the second switch KM1-4 of the first contactless switch and the 3rd K switch M1-5 of the first contactless switch forms gang switch, first K switch M2-3 of the second contactless switch, the second switch KM2-4 of the second contactless switch and the 3rd K switch M2-5 of the second contactless switch forms gang switch, first terminals of motor M are connected with first normally open contact of thermal relay FR, second terminals of motor M are connected with first power end of thermal relay FR, 3rd terminals of motor M are connected with first normally closed interlock of thermal relay FR, second normally open contact of thermal relay FR is connected with the first end of the 3rd K switch M1-5 of the first contactless switch and the first K switch M2-3 of the second contactless switch respectively, the second source end of thermal relay FR is connected with the first end of the second switch KM1-4 of the first contactless switch and the second switch KM2-4 of the second contactless switch respectively, the normally closed interlock of thermal relay FR is connected with the first end of the first K switch M1-3 of the first contactless switch and the 3rd K switch M2-5 of the second contactless switch respectively, second end of the first K switch M1-3 of the first contactless switch is connected with second end of the first K switch M2-3 of the second contactless switch and the first end of the second fuse FU2 respectively, second end of the second switch KM1-4 of the first contactless switch is connected with second end of the second switch KM2-4 of the second contactless switch and the first end of the first resistance R1 respectively, second end of the 3rd K switch M1-5 of the first contactless switch is connected with second end of the 3rd K switch M2-5 of the second contactless switch and the first end of the second resistance R2 respectively, second end of the second fuse FU2 is connected with the first end of the 3rd switch Q3, second end of the first resistance R1 is connected with the first end of second switch Q2 and the first end of the 3rd fuse FU3 respectively, second end of the second resistance R2 is connected with the first end of the first switch Q1 and the first end of the first fuse FU1 respectively, second end of the first switch Q1 is the first signal output part of control circuit, second end of second switch Q2 is the secondary signal mouth of control circuit, second end of the 3rd switch Q3 is the 3rd signal output part of control circuit, second end of the 3rd fuse FU3 is connected with the first end of the 3rd resistance R3, second end of the 3rd resistance R3 is connected with the first end of the first contactless switch and the first end of the second contactless switch respectively, 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, 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, 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, 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, second end of the second button switch S2 respectively with second end of second end of the open contact K switch M1-2 of the first contactless switch and the open contact K switch M2-2 of the second contactless switch, the first end of the first button switch S1 is connected with second end of the 3rd button switch S3, second end of the first button switch S1 is connected with second end of the first fuse FU1.
Principle of work of the present invention is as follows: close the first switch Q1, the gang switch that second switch Q2 and the 3rd switch Q3 forms, press the second button switch S2, 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 the first K switch M1-3 by the first contactless switch, the gang switch of the second switch KM1-4 of the first contactless switch and the 3rd K switch M1-5 composition of the first contactless switch closes, motor M is rotated forward, the self-locking closed for realizing the first contactless switch KM1 of the open contact K switch M1-2 of the first contactless switch, the normally closed contact K switch M1-1 of the first contactless switch disconnects, make the second contactless switch KM2 not adhesive, motor M is reversed, press the first button switch S1, 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 of the first contactless switch closes as reversion is prepared, press the 3rd button switch S3, 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 the first K switch M2-3 by the second contactless switch, the gang switch of the second switch KM2-4 of the second contactless switch and the 3rd K switch M2-5 composition of the second contactless switch closes, motor M is reversed, the self-locking closed for realizing the second contactless switch KM2 of the open contact K switch M2-2 of the second contactless switch, the normally closed contact K switch M2-1 of the second contactless switch disconnects, make the first contactless switch KM1 not adhesive.
Claims (1)
1. the control circuit for elevator contactor interlocking, it is characterized in that: comprise the first switch, second switch, 3rd switch, first fuse, second fuse, 3rd fuse, first resistance, second resistance, 3rd resistance, first button switch, second button switch, 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, first switch of the first contactless switch, the second switch of the first contactless switch, 3rd switch of the first contactless switch, first switch of the second contactless switch, the second switch of the second contactless switch, 3rd switch and thermal relay of the second contactless switch, described first switch, described second switch and described 3rd switch composition gang switch, first switch of described first contactless switch, the second switch of described first contactless switch and the 3rd switch composition gang switch of described first contactless switch, first switch of described second contactless switch, the second switch of described second contactless switch and the 3rd switch composition gang switch of described second contactless switch, first terminals of described motor are connected with the first normally open contact of described thermal relay, second terminals of described motor are connected with the first power end of described thermal relay, 3rd terminals of described motor are connected with the first normally closed interlock of described thermal relay, second normally open contact of described thermal relay is connected with the first end of the 3rd switch of described first contactless switch and the first switch of described second contactless switch respectively, the second source end of described thermal relay is connected with the first end of the second switch of described first contactless switch and the second switch of described second contactless switch respectively, the normally closed interlock of described thermal relay is connected with the first end of the first switch of described first contactless switch and the 3rd switch of described second contactless switch respectively, second end of the first switch of described first contactless switch is connected with the second end of the first switch of described second contactless switch and the first end of described second fuse respectively, second end of the second switch of described first contactless switch is connected with the second end of the second switch of described second contactless switch and the first end of described first resistance respectively, second end of the 3rd switch of described first contactless switch is connected with the second end of the 3rd switch of described second contactless switch and the first end of described second resistance respectively, second end of described second fuse is connected with the first end of described 3rd switch, second end of described first resistance is connected with the first end of described second switch and the first end of described 3rd fuse respectively, second end of described second resistance is connected with the first end of described first switch and the first end of described first fuse respectively, second end of described first switch is the first signal output part of described control circuit, second end of described second switch is the secondary signal mouth of described control circuit, second end of described 3rd switch is the 3rd signal output part of described control circuit, second end of described 3rd fuse is connected with the first end of described 3rd resistance, second end of described 3rd resistance is connected with the first end of the first contactless switch and the first end of the second contactless switch respectively, second end of the first contactless switch is connected with the first end of the normally closed contact switch of described second contactless switch, second end of the second contactless switch is connected with the first end of the normally closed contact switch of described first contactless switch, second end of the normally closed contact switch of described second contactless switch is connected with the first end of the first end of described second button switch and the open contact switch of described first contactless switch respectively, second end of the normally closed contact switch of described first contactless switch is connected with the first end of the first end of described 3rd button switch and the open contact switch of described second contactless switch respectively, second end of described second button switch respectively with the second end of the second end of the open contact switch of described first contactless switch and the open contact switch of described second contactless switch, the first end of described first button switch is connected with the second end of described 3rd button switch, second end of described first button switch is connected with the second end of described first fuse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310678306.8A CN104709787A (en) | 2013-12-14 | 2013-12-14 | Control circuit for interlocking of elevator contactors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310678306.8A CN104709787A (en) | 2013-12-14 | 2013-12-14 | Control circuit for interlocking of elevator contactors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104709787A true CN104709787A (en) | 2015-06-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310678306.8A Pending CN104709787A (en) | 2013-12-14 | 2013-12-14 | Control circuit for interlocking of elevator contactors |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104709787A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105824261A (en) * | 2016-05-04 | 2016-08-03 | 徐州五洋科技股份有限公司 | Intrinsically safe circuit for coal mine electric control switch |
-
2013
- 2013-12-14 CN CN201310678306.8A patent/CN104709787A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105824261A (en) * | 2016-05-04 | 2016-08-03 | 徐州五洋科技股份有限公司 | Intrinsically safe circuit for coal mine electric control switch |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150617 |