CN210619895U - Elevator traction machine working circuit - Google Patents
Elevator traction machine working circuit Download PDFInfo
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- CN210619895U CN210619895U CN201921576764.XU CN201921576764U CN210619895U CN 210619895 U CN210619895 U CN 210619895U CN 201921576764 U CN201921576764 U CN 201921576764U CN 210619895 U CN210619895 U CN 210619895U
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Abstract
The utility model provides an elevator hauler work circuit, include: the PLC controller frequency conversion working signal end is connected with the frequency converter working signal end, the frequency converter signal output end is connected with the traction machine motor signal receiving end, the PLC controller frequency conversion signal end is connected with the traction machine motor working signal end, the PLC controller elevator door signal control end is connected with the elevator door motor working signal end, the PLC controller display signal end is connected with the display screen signal receiving end, the three-phase power source end is connected with the transformer power end, the transformer power supply end is connected with the traction machine motor power end, the transformer power supply end is also connected with the voltage stabilizer power end, the voltage stabilizer power end is connected with the switch power supply end, and the switch power supply is connected. The direct connection tractor can play powerful lift after vary voltage through the transformer, and the electric energy through stabiliser output makes the elevator door switch more smooth and easy, carries out power output to the PLC controller through the switching power supply.
Description
Technical Field
The utility model relates to an electronic circuit field especially relates to an elevator hauler work circuit.
Background
Need more and more elevators to serve high-rise building in the high-rise building, the elevator needs very big traction force at the vertical take-off and landing in-process, this just needs the hauler to carry out elevator vertical control, but the hauler needs corresponding controlgear to control the operation, just can accomplish a whole set of operation work, this just needs to have corresponding encoder to carry out collaborative work, and it can accomplish corresponding traction force to have strong current power supply to the hauler, but the traction effect of elevator and the lapping of circuit among the prior art can not good work, can not realize control variable frequency speed control, and different motors obtain different electric currents, the double closed loop of speed, and cause the unstable problem of control operation, this needs technical staff in the field to solve corresponding technical problem urgently.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving the technical problem who exists among the prior art at least, innovated a lift hauler work circuit very much.
In order to realize the above object of the utility model, the utility model provides an elevator hauler work circuit, include: the PLC controller frequency conversion working signal end is connected with the frequency converter working signal end, the frequency converter signal output end is connected with the traction machine motor signal receiving end, the PLC controller coding signal end is connected with the encoder signal end, the encoder signal output end is connected with the traction machine working signal end, the PLC controller elevator door signal control end is connected with the elevator door motor working signal end, the PLC controller display signal end is connected with the display screen signal receiving end, the three-phase power source end is connected with the transformer power end, the transformer power supply end is connected with the traction machine motor power source end, the transformer power supply end is also connected with the voltage stabilizer power end, the voltage stabilizer power end is connected with the switch power source power end, and. The direct connection tractor can play powerful lift after vary voltage through the transformer, and the electric energy through stabiliser output makes the elevator door switch more smooth and easy, carries out power output to the PLC controller through the switching power supply.
Preferably, the method further comprises the following steps: the power supply circuit breaker power supply end is connected with first circuit breaker input, and first relay one end and second relay one end are connected respectively to first circuit breaker output, and converter one end is connected to the first relay other end, and the hauler motor is connected to the converter other end, and the hauler motor is also connected to the second relay other end.
Preferably, the method further comprises the following steps: the working signal end of the frequency converter is connected with a deceleration relay KA1, and the elevator door is decelerated to be opened and closed by adjusting KA 1.
Preferably, the method further comprises the following steps: the power supply end of the power supply circuit breaker is also connected with one end of a second circuit breaker and one end of a third circuit breaker respectively, the other end of the second circuit breaker is connected with the elevator door motor, the other end of the third relay is also connected with the elevator door motor, and a second fuse is connected between the power supply circuit breaker and the second relay.
Preferably, the method further comprises the following steps: the power supply circuit breaker feed end still connects first transformer input, and first transformer output connects switching power supply input, and the PLC controller power end is connected to the switching power supply output, and the second transformer input is still connected to the power supply circuit breaker feed end, and stabiliser input is connected to the second transformer output, and the elevator door motor is connected to the stabiliser output.
Preferably, the method further comprises the following steps: a third fuse is connected between the power supply end of the power circuit breaker and the first transformer, a fourth fuse is connected between the first transformer and the switch power supply, a fifth fuse is connected between the power supply end of the power circuit breaker and the second transformer, and a sixth fuse is connected between the second transformer and the voltage stabilizer.
Preferably, the frequency converter is a VS-616G5 frequency converter of YASAKWA.
Preferably, the PLC controller is a PLC of OMRON.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
the frequency converter is provided with a current detection device so as to form a current closed loop; the PLC controller controls the encoder to form A, B two-phase pulse through a rotary encoder coaxially connected with the motor, and the pulse signal is used for forming a speed closed loop while confirming the direction. The direct connection hauler can play powerful lift force after vary voltage through the transformer, and the electric energy through stabiliser output makes the elevator door switch more smooth and easy, carries out power output end through switching power supply to the PLC controller. In this case, if the switching power supply is used for the elevator door motor, it is also a very good choice, and the elevator door can also be power-controlled.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic circuit diagram of the present invention;
FIG. 2 is a schematic circuit diagram of the present invention;
fig. 3 is a schematic diagram of the circuit connection between the PLC and the encoder of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
As shown in fig. 1 and 2, the utility model discloses an elevator hauler work circuit, include: the PLC controller frequency conversion working signal end is connected with the frequency converter working signal end, the frequency converter signal output end is connected with the traction machine motor signal receiving end, the PLC controller coding signal end is connected with the encoder signal end, the encoder signal output end is connected with the traction machine working signal end, the PLC controller elevator door signal control end is connected with the elevator door motor working signal end, the PLC controller display signal end is connected with the display screen signal receiving end, the three-phase power source end is connected with the transformer power end, the transformer power supply end is connected with the traction machine motor power source end, the transformer power supply end is also connected with the voltage stabilizer power end, the voltage stabilizer power end is connected with the switch power source power end, and. The direct connection hauler can play powerful lift force after vary voltage through the transformer, and the electric energy through stabiliser output makes the elevator door switch more smooth and easy, carries out power output end through switching power supply to the PLC controller. In this case, if the switching power supply is used for the elevator door motor, it is also a very good choice, and the elevator door can also be power-controlled.
A VS-616G5 frequency converter from YASAKWA was used. The frequency converter is provided with a current detection device so as to form a current closed loop; the PLC controller controls the encoder to form A, B two-phase pulse through a rotary encoder coaxially connected with the motor, the pulse enters the frequency converter, and the pulse signal is utilized to form a speed closed loop while the direction is confirmed. The elevator consists of three-phase AC input, frequency conversion drive, a tractor and an elevator door motor. And the PLC of the OMRON company is selected to send signals of running direction, starting, acceleration/deceleration running, braking, ladder stopping and the like to the frequency converter.
The power supply circuit breaker power supply end is connected with first circuit breaker input, and first relay one end and second relay one end are connected respectively to first circuit breaker output, and converter one end is connected to the first relay other end, and the hauler motor is connected to the converter other end, and the hauler motor is also connected to the second relay other end.
The working signal end of the frequency converter is connected with a deceleration relay KA1, and the elevator door is decelerated to be opened and closed by adjusting KA 1.
A first fuse is connected between the end L1 of the power supply breaker and the first breaker, and the frequency converter and the motor are protected by the fuse.
The power supply end of the power supply breaker is also connected with one end of a second breaker and one end of a third breaker respectively, the other end of the second breaker is connected with the elevator door motor, the other end of the third relay is also connected with the elevator door motor, and a second fuse is connected between the power supply breaker and the second relay, so that the elevator door motor is protected.
The traction machine can rotate forward and backward by switching the KM1 and the KM2, different power outputs in different load states are realized through the frequency converter, so that the elevator can take off and land, the elevator can run at a low speed through the KA1, and the elevator door can be opened and closed through the direct-current motor when the KM3 and the KM4 are controlled.
The power supply circuit breaker feed end still connects first transformer input, and first transformer output connects switching power supply input, and the PLC controller power end is connected to the switching power supply output, and the second transformer input is still connected to the power supply circuit breaker feed end, and stabiliser input is connected to the second transformer output, and the elevator door motor is connected to the stabiliser output.
A third fuse is connected between the power supply end of the power circuit breaker and the first transformer, a fourth fuse is connected between the first transformer and the switch power supply, a fifth fuse is connected between the power supply end of the power circuit breaker and the second transformer, and a sixth fuse is connected between the second transformer and the voltage stabilizer. The corresponding product can be overload-protected by the corresponding fuse.
As shown in fig. 3, the encoder PG is connected through the PLC controller to output the pulse number proportional to the motor speed and the elevator displacement, and the elevator position is determined by accumulating the pulse number, so that the number of floors of the elevator can be accurately executed; the encoder adopts a Topic Tisen elevator encoder, and the PG output end (TA2.1) of the encoder introduces pulse signals into the high-speed counting input end of the PLC to form position feedback; the value of the high-speed counter is compared with the pulse number corresponding to each signal point, so that the running distance of the elevator is judged; the requirements of smooth braking and stable and accurate operation of the elevator are met. The working process is completed through cooperative work of the encoder and the PLC, and belongs to the prior art.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (8)
1. An elevator traction machine operating circuit, comprising: the PLC controller frequency conversion working signal end is connected with the frequency converter working signal end, the frequency converter signal output end is connected with the traction machine motor signal receiving end, the PLC controller coding signal end is connected with the encoder signal end, the encoder signal output end is connected with the traction machine working signal end, the PLC controller elevator door signal control end is connected with the elevator door motor working signal end, the PLC controller display signal end is connected with the display screen signal receiving end, the three-phase power source end is connected with the transformer power end, the transformer power supply end is connected with the traction machine motor power source end, the transformer power supply end is also connected with the voltage stabilizer power end, the voltage stabilizer power end is connected with the switch power source power end, and.
2. The elevator machine operating circuit of claim 1, further comprising: the power supply circuit breaker power supply end is connected with first circuit breaker input, and first relay one end and second relay one end are connected respectively to first circuit breaker output, and converter one end is connected to the first relay other end, and the hauler motor is connected to the converter other end, and the hauler motor is also connected to the second relay other end.
3. The elevator machine operating circuit of claim 1, further comprising: the working signal end of the frequency converter is connected with a deceleration relay KA1, and the frequency converter is used as an elevator door deceleration switch by adjusting KA 1.
4. The elevator machine operating circuit of claim 1, further comprising: the power supply end of the power supply circuit breaker is also connected with one end of a second circuit breaker and one end of a third circuit breaker respectively, the other end of the second circuit breaker is connected with the elevator door motor, the other end of the third relay is also connected with the elevator door motor, and a second fuse is connected between the power supply circuit breaker and the second relay.
5. The elevator machine operating circuit of claim 1, further comprising: the power supply circuit breaker feed end still connects first transformer input, and first transformer output connects switching power supply input, and the PLC controller power end is connected to the switching power supply output, and the second transformer input is still connected to the power supply circuit breaker feed end, and stabiliser input is connected to the second transformer output, and the elevator door motor is connected to the stabiliser output.
6. The elevator machine operating circuit of claim 1, further comprising: a third fuse is connected between the power supply end of the power circuit breaker and the first transformer, a fourth fuse is connected between the first transformer and the switch power supply, a fifth fuse is connected between the power supply end of the power circuit breaker and the second transformer, and a sixth fuse is connected between the second transformer and the voltage stabilizer.
7. The elevator machine working circuit of claim 1, wherein the frequency converter is a VS-616G5 frequency converter of YASAKWA.
8. The elevator machine work circuit of claim 1, wherein the PLC controller is a PLC of OMRON.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921576764.XU CN210619895U (en) | 2019-09-19 | 2019-09-19 | Elevator traction machine working circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921576764.XU CN210619895U (en) | 2019-09-19 | 2019-09-19 | Elevator traction machine working circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210619895U true CN210619895U (en) | 2020-05-26 |
Family
ID=70755544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921576764.XU Expired - Fee Related CN210619895U (en) | 2019-09-19 | 2019-09-19 | Elevator traction machine working circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210619895U (en) |
-
2019
- 2019-09-19 CN CN201921576764.XU patent/CN210619895U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200526 Termination date: 20200919 |