CN205294529U - Safety device that pulls is prevented to elevator - Google Patents
Safety device that pulls is prevented to elevator Download PDFInfo
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- CN205294529U CN205294529U CN201521043819.2U CN201521043819U CN205294529U CN 205294529 U CN205294529 U CN 205294529U CN 201521043819 U CN201521043819 U CN 201521043819U CN 205294529 U CN205294529 U CN 205294529U
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- elevator
- synchronous motor
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Abstract
The utility model discloses a safety device that pulls is prevented to elevator, it is connected with drawing together the door machine control part and connect in the quick -witted PMSM three -phase winding of door of door machine control part, it prevents the safe stifled circuit that changes of sliding door to be provided with the elevator between door machine control part, the quick -witted PMSM three -phase winding of door. Elevator door motor PMSM can be solved to this patent does not have electric motor rotor non -resistance pivoted problem under the mains operated circumstances, meanwhile, and between instantaneous trip controller and PMSM control circuit and direct short circuit motor three -phase stator winding and lead to the fact to produce the motor and assault and lead to the fact the problem of destruction when it still can be solved PMSM stator winding and has the electric current. This invention circuit can reduce effectively in the ladder that personnel push the sedan -chair door aside at will when the lift out of order and the risk of the incident that leads to the fact.
Description
Technical field
This utility model relates to elevator technology field, especially relates to a kind of anti-sliding door safety device of elevator.
Background technology
Elevator car door system is one of elevator important safety parts, in current industry, Elevator Door Control System is commonly Elevator Door Control converter and directly drives permagnetic synchronous motor, the effect reaching switch gate is transferred, wherein without any safe anti-rotation control measure by controlling the positive and negative of motor. When elevator runs and breaks down; if Elevator Door Control System non-moment controls in permagnetic synchronous motor or elevator dead electricity situation; in ladder, trapped personnel often can take off door privately in sedan-chair; and now permagnetic synchronous motor is without any holding torque; then elevator cage door will be opened very easily inside car, and this phenomenon very easily brings out elevator safety accident.
Utility model content
The purpose of this utility model is contemplated to solve the problems referred to above, a kind of anti-sliding door safety device of elevator is provided, it can solve the problem that under elevator door-motor permagnetic synchronous motor non-transformer electric power thus supplied, rotor non-resistance rotates, meanwhile, its also can solve instantaneous trip when permanent-magnetic synchronous motor stator winding has an electric current control and between permagnetic synchronous motor control circuit and directly short circuit motor threephase stator winding and cause the problem that produces to impact and damage to motor.
To achieve these goals, this utility model adopts the following technical scheme that
The anti-sliding door safety device of elevator, it controls part with door machine and is connected to the door machine permagnetic synchronous motor three-phase windings of a machine control part and is connected, and is provided with the safe stall circuit of the anti-sliding door of elevator between described door machine control part, door machine permagnetic synchronous motor three-phase windings.
The anti-sliding door of described elevator safe stall circuit adopts the safe stall circuit of three phase rectifier door machine, and this safe stall circuit of three phase rectifier door machine includes commutation diode D1, commutation diode D2, commutation diode D3, commutation diode D4, commutation diode D5, commutation diode D6 and relay normally-closed contact K01, a phase U of the described safe stall circuit of three phase rectifier door machine and permagnetic synchronous motor one phase winding, the positive pole of commutation diode D1, the negative electricity connection of commutation diode D2, another phase V of the safe stall circuit of three phase rectifier door machine and the V phase of permagnetic synchronous motor, the positive pole of commutation diode D3, the negative electricity connection of commutation diode D4, last phase W of the safe stall circuit of three phase rectifier door machine and the W phase of permagnetic synchronous motor, the positive pole of commutation diode D5, the negative electricity of commutation diode D6 connects, commutation diode D1 negative pole, commutation diode D3 negative pole, the negative pole of commutation diode D5 is connected with envelope star relay normally-closed contact K01 one end, commutation diode D2, commutation diode D4, the positive pole of commutation diode D6 is connected to the other end of envelope star relay normally-closed contact K01.
The anti-sliding door of described elevator safe stall circuit adopts the relay normally-closed contact safe stall circuit of short circuit door machine, in this relay normally-closed contact safe stall circuit of short circuit door machine: one end of the secondary normally-closed contact K02 of relay one electrically connects with permagnetic synchronous motor one phase winding U, the secondary other end and permagnetic synchronous motor another phase winding V of normally-closed contact of relay one, the secondary normally-closed contact K03 of relay second one end electrically connect, the other end of relay the second pair normally-closed contact K03 electrically connects with permagnetic synchronous motor one phase winding W.
The measure that permagnetic synchronous motor envelope star braking function is taked in elevator industry is to adopt envelope star contactor that directly with catalyst normally-closed contact, permagnetic synchronous motor threephase stator winding is carried out short circuit, this is when converter has output, when permagnetic synchronous motor threephase stator winding has operating current, permagnetic synchronous motor and converter will be impacted when instantaneous trip control circuit directly short circuit permagnetic synchronous motor threephase stator winding, even damage motor and converter; Two kinds of structures of this invention are in door machine control system increases door machine permagnetic synchronous motor envelope star circuit, when giving when door machine control circuit non-moment in motor or elevator dead electricity situation, this circuit can reach permagnetic synchronous motor envelope star braking function, even and if the circuit of first method realization may also reach up and has output situation at converter, when permagnetic synchronous motor three-phase windings has electric current, also can be substantially reduced the impact to converter and the flash disruption of motor stator winding.
Above two circuit compared in current elevator industry door machine control system when permagnetic synchronous motor non-moment controls or in dead electricity situation gate be easy to inside sedan-chair to open, the personnel in this invention circuit sedan-chair that apply want that inside sedan-chair pushing gate relative difficulty aside to increase a lot, and the personnel in ladder that greatly reduce arbitrarily take off the risk of the security incident opened the door and cause when Lift out of order.
Accompanying drawing explanation
Fig. 1 is the anti-sliding door safety device theory diagram of elevator;
Fig. 2 is the safe stall circuit theory diagrams of the anti-sliding door of elevator in embodiment 1;
Fig. 3 is the safe stall circuit theory diagrams of the anti-sliding door of elevator in embodiment 2.
Detailed description of the invention
For the technological means making this utility model realize, creation characteristic, reach purpose and effect and be easy to understand, below in conjunction with specific embodiment, this utility model is expanded on further.
The anti-sliding door safety device of elevator, referring to Fig. 1, at door machine, controlling, the anti-sliding door of elevator safe stall circuit 3 is set between part 1, door machine permagnetic synchronous motor three-phase windings 2 and can effectively solve the problem that under elevator door-motor permagnetic synchronous motor non-transformer electric power thus supplied, rotor non-resistance rotates, meanwhile, its also can solve when permanent-magnetic synchronous motor stator winding has an electric current control circuit between instantaneous trip controller and permagnetic synchronous motor and directly short circuit motor threephase stator winding and cause the problem that produces to impact and damage to motor.
For the detailed content of the safe stall circuit of the anti-sliding door of this elevator referring to hereafter.
Embodiment 1: referring to Fig. 2, the anti-sliding door of the elevator safe stall circuit of this implementation section adopts the safe stall circuit of three phase rectifier door machine. Specifically, this safe stall circuit of three phase rectifier door machine includes commutation diode D1, commutation diode D2, commutation diode D3, commutation diode D4, commutation diode D5, commutation diode D6 and relay normally-closed contact K01.
Wherein, one phase U of the described safe stall circuit of three phase rectifier door machine and permagnetic synchronous motor one phase winding, the positive pole of commutation diode D1, the negative electricity of commutation diode D2 connects, another phase V of the safe stall circuit of three phase rectifier door machine and the V phase of permagnetic synchronous motor, the positive pole of commutation diode D3, the negative electricity of commutation diode D4 connects, last phase W of the safe stall circuit of three phase rectifier door machine and the W phase of permagnetic synchronous motor, the positive pole of commutation diode D5, the negative electricity of commutation diode D6 connects, commutation diode D1 negative pole, commutation diode D3 negative pole, the negative pole of commutation diode D5 is connected with envelope star relay normally-closed contact K01 one end, commutation diode D2, commutation diode D4, the positive pole of commutation diode D6 is connected to the other end of envelope star relay normally-closed contact K01.
Embodiment 2: referring to Fig. 3, the anti-sliding door of described elevator safe stall circuit adopts the relay normally-closed contact safe stall circuit of short circuit door machine. The three-phase relay normally-closed contact of this implementation section carries out short circuit.
In this relay normally-closed contact safe stall circuit of short circuit door machine: one end of the secondary normally-closed contact K02 of relay one electrically connects with permagnetic synchronous motor one phase winding U, the secondary other end and permagnetic synchronous motor another phase winding V of normally-closed contact of relay one, the secondary normally-closed contact K03 of relay second one end electrically connect, the other end of relay the second pair normally-closed contact K03 electrically connects with permagnetic synchronous motor one phase winding W.
The foregoing is only preferred implementation of the present utility model, protection domain of the present utility model is not limited in above-mentioned embodiment, and every technical scheme belonging to this utility model principle belongs to protection domain of the present utility model. For a person skilled in the art, the some improvement carried out under the premise without departing from principle of the present utility model, these improvement also should be regarded as protection domain of the present utility model.
Claims (3)
1. the anti-sliding door safety device of elevator, it controls part with door machine and is connected to the door machine permagnetic synchronous motor three-phase windings of a machine control part and is connected, it is characterized in that, between described door machine control part, door machine permagnetic synchronous motor three-phase windings, be provided with the safe stall circuit of the anti-sliding door of elevator.
2. the anti-sliding door safety device of elevator according to claim 1, it is characterised in that the anti-sliding door of described elevator safe stall circuit adopts the safe stall circuit of three phase rectifier door machine, and this safe stall circuit of three phase rectifier door machine includes commutation diode D1, commutation diode D2, commutation diode D3, commutation diode D4, commutation diode D5, commutation diode D6 and relay normally-closed contact K01, a phase U of the described safe stall circuit of three phase rectifier door machine and permagnetic synchronous motor one phase winding, the positive pole of commutation diode D1, the negative electricity connection of commutation diode D2, another phase V of the safe stall circuit of three phase rectifier door machine and the V phase of permagnetic synchronous motor, the positive pole of commutation diode D3, the negative electricity connection of commutation diode D4, last phase W of the safe stall circuit of three phase rectifier door machine and the W phase of permagnetic synchronous motor, the positive pole of commutation diode D5, the negative electricity of commutation diode D6 connects, commutation diode D1 negative pole, commutation diode D3 negative pole, the negative pole of commutation diode D5 is connected with envelope star relay normally-closed contact K01 one end, commutation diode D2, commutation diode D4, the positive pole of commutation diode D6 is connected to the other end of envelope star relay normally-closed contact K01.
3. the anti-sliding door safety device of elevator according to claim 1, it is characterized in that, the anti-sliding door of described elevator safe stall circuit adopts the relay normally-closed contact safe stall circuit of short circuit door machine, in this relay normally-closed contact safe stall circuit of short circuit door machine: one end of the secondary normally-closed contact K02 of relay one electrically connects with permagnetic synchronous motor one phase winding U, the other end of the secondary normally-closed contact of relay one and permagnetic synchronous motor another phase winding V, one end electrical connection of the secondary normally-closed contact K03 of relay second, the other end of the secondary normally-closed contact K03 of relay second electrically connects with permagnetic synchronous motor one phase winding W.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521043819.2U CN205294529U (en) | 2015-12-15 | 2015-12-15 | Safety device that pulls is prevented to elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521043819.2U CN205294529U (en) | 2015-12-15 | 2015-12-15 | Safety device that pulls is prevented to elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205294529U true CN205294529U (en) | 2016-06-08 |
Family
ID=56430888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521043819.2U Active CN205294529U (en) | 2015-12-15 | 2015-12-15 | Safety device that pulls is prevented to elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205294529U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107986145A (en) * | 2017-12-29 | 2018-05-04 | 苏州江南嘉捷机电技术研究院有限公司 | A kind of elevator door motor controller seals star device |
| CN108002161A (en) * | 2017-11-20 | 2018-05-08 | 江苏省特种设备安全监督检验研究院 | Passenger takes off the detection method of a behavior in a kind of lift car |
| US10280042B2 (en) | 2017-04-04 | 2019-05-07 | Otis Elevator Company | Method and apparatus for stall control of elevator door |
-
2015
- 2015-12-15 CN CN201521043819.2U patent/CN205294529U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10280042B2 (en) | 2017-04-04 | 2019-05-07 | Otis Elevator Company | Method and apparatus for stall control of elevator door |
| CN108002161A (en) * | 2017-11-20 | 2018-05-08 | 江苏省特种设备安全监督检验研究院 | Passenger takes off the detection method of a behavior in a kind of lift car |
| CN107986145A (en) * | 2017-12-29 | 2018-05-04 | 苏州江南嘉捷机电技术研究院有限公司 | A kind of elevator door motor controller seals star device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200508 Address after: 201800 building 3, 3939 Cao'an Road, Jiading District, Shanghai Patentee after: SMEP elevator (China) Co., Ltd Address before: 201800 Cao Road 3939, Shanghai, Jiading District Patentee before: SHANGHAI YANGTZE 3-MAP ELEVATOR Co.,Ltd. |
|
| TR01 | Transfer of patent right |