CN103818792B - Elevator brake lock torque self-detection circuit - Google Patents
Elevator brake lock torque self-detection circuit Download PDFInfo
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- CN103818792B CN103818792B CN201410099816.4A CN201410099816A CN103818792B CN 103818792 B CN103818792 B CN 103818792B CN 201410099816 A CN201410099816 A CN 201410099816A CN 103818792 B CN103818792 B CN 103818792B
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Abstract
The present invention relates to a kind of elevator brake lock torque self-detection circuit, its structure is the input end that brake loop is tapped at two brake controllers, mouth tap magnet coil of each brake controller, two described brake controllers arrange the control end that can control described brake controller action respectively, level control loop is connected with at described control end, an isolation control switch is connected in each described level control loop, the input end of described level control loop is for connecting the upper computer of elevator control cabinet, receive the lock torque self-checking command sent by described upper computer.Present invention can be implemented in when being energized to elevator motor not to the released state of brake guaranties, by judging whether motor can rotate, judge whether the lock torque of drg meets the demands, or judge whether every side lock torque of drg meets the demands, and can realize the detection voluntarily of elevator brake lock torque thus respectively.
Description
Technical field
The present invention relates to a kind of drg detection control circuit, specifically a kind of elevator brake lock torque self-detection circuit.
Background technology
For improving the safety factor that elevator runs, existing elevator brake all requires configuration Dual-path brake system, namely two groups of brake electromagnets are set, and magnet coil in two groups of brake electromagnets can and ally the communists and be connected on a brake controller, have a brake controller to control; Also can connect a brake controller separately, be controlled respectively by two brake controllers, but two brake controllers connect a brake loop altogether, are controlled by a brake loop.
Along with the development of elevator technology, require that elevator components should have the safe future development to having self-checking function, the self-inspection especially as the elevator brake of stop mechanism just seems particularly necessary and important.But the safe control loop of existing elevator brake, cannot realize detecting the lock torque of single brake system, and therefore, the self-checking function of elevator brake lock torque can't be achieved.
Summary of the invention
Object of the present invention is just to provide a kind of elevator brake lock torque self-detection circuit, enables drg carry out self-inspection in time before every day, elevator put into operation, devotes oneself to work, to realize the safe operation of elevator after determining normally again.
The present invention is achieved in that a kind of elevator brake lock torque self-detection circuit, brake loop is tapped at the input end of two brake controllers, mouth tap magnet coil of each brake controller, two described brake controllers arrange the control end that can control described brake controller action respectively, level control loop is connected with at described control end, an isolation control switch is connected in each described level control loop, the input end of described level control loop is for connecting the upper computer of elevator control cabinet, receive the lock torque self-checking command sent by described upper computer.
In described brake loop, be serially connected with door lock relay, band-type brake relay and run contactless switch.
In described brake loop, be serially connected with door lock relay and band-type brake relay, in the branch road of described magnet coil, be serially connected with operation contactless switch.
The 3rd isolation control switch is connected in described brake loop.
The present invention also can realize like this: a kind of elevator brake lock torque self-detection circuit, brake loop is connected to the input end of brake controller, two magnet coils be connected in parallel are connected at the mouth of described brake controller, each described magnet coil branch road is serially connected with master cock, the action control end of described master cock is connected with level control loop, an isolation control switch is connected in each described level control loop, the input end of described level control loop is for connecting the upper computer of elevator control cabinet, the lock torque self-checking command that reception is sent by described upper computer or brake application open a sluice gate instruction.
In described brake loop, be serially connected with door lock relay, band-type brake relay and run contactless switch.
In described brake loop, be serially connected with door lock relay and band-type brake relay, in each magnet coil branch road, be serially connected with operation contactless switch.
The 3rd isolation control switch is connected in described brake loop.
The present invention is by setting up two level control loop controlling two brake controllers respectively or control two magnet coil circuit on-offs respectively, can realize when being energized to elevator motor not to the released state of brake guaranties (namely making it under band-type brake state), by judging whether motor can rotate, judge whether the lock torque of drg meets the demands, or judge whether every side lock torque of drg meets the demands respectively, the detection voluntarily of elevator brake lock torque can be realized thus, the self-inspection of the lock torque of Dual-path brake system is made to become possibility, key of the present invention is just this.
The process of self-test of elevator brake lock torque is: be energized to elevator motor, give the side coil electricity of drg respectively, i.e. the declutching of drg, another side no power, still keep brake application state, thus judge the hold mode of the lock torque of the drg of brake application side.So can according to after electrical power two drgs respectively brake application time elevator brake dish rotation situation, judge whether drg entirety or the lock torque of one of them meet the demands, and namely sentence misfunctioning of brake as do not met the demands.If elevator brake is overall or lost efficacy in side, then elevator checking system can send alerting signal and not allow elevator continuation operation, ensures the safe in operation of elevator thus.
Elevator checking system is arranged in the upper computer of elevator control cabinet, and the self-inspection utilizing upper computer to carry out drg judges.Because there are two drgs, can be detected respectively by this lock torque self-detection circuit.The present invention is that the realization of elevator brake self-checking function provides a kind of feasible technical scheme.
Accompanying drawing explanation
Fig. 1---Fig. 8 is the electrical block diagram of the present invention's eight embodiments.
Detailed description of the invention
Embodiment 1
The present embodiment is the circuit structure configured for two brake controller.As shown in Figure 1, the input end of two brake controllers CT1, CT2 connects brake loop (two wiring end points of brake loop are labeled as A, B) altogether, is serially connected with door lock relay DJ, band-type brake relay ZJ and runs contactless switch CJ in brake loop.The operating voltage of brake loop is applied to A, B two ends, and this voltage can be exchange 110/220V, also can be direct current 110/220V.
The mouth of two brake controllers CT1, CT2 connects magnet coil L1, a L2 separately.Two brake controllers CT1, CT2 arrange control end respectively, in order to control described brake controller action.On the control end of two brake controllers CT1, CT2, (two wiring end points of a level control loop are labeled as C, D to each connection level control loop, two wiring end points of another level control loop are labeled as E, F), isolation control switch CK1, a CK2 is connected to separately in two level control loop, the input end of two level control loop is connected respectively on the upper computer of elevator control cabinet, to receive the lock torque self-checking command sent by upper computer.The end pin 4 of the mouth of two isolation control switch CK1, CK2 receives the signal input part of corresponding brake controller CT1, CT2, and connects 15V direct supply through current-limiting resistance R2/R4, other end pin 3 grounding jumper G.Brake controller CT can adopt conventional control circuit structure, its ground terminal and isolation control switch CK1, CK2 grounding jumper G altogether.
Under the control of the different Setting signal of the upper computer of elevator control cabinet, when the terminals (C, D) of two level control loop and (E, F) are low level, two magnet coils L1, L2 obtain output field voltage and the ME for maintenance of corresponding brake controller CT1, CT2 separately, two equal adhesives of magnet coil L1, L2, two brake system are all opened, release elevator brake dish.
When the terminals (C, D) of a level control loop are high level, when the terminals (E, F) of another level control loop are for low level, brake controller CT1 no-output, magnet coil L1 attonity, and magnet coil L2 is because obtaining the output field voltage of brake controller CT2 and ME for maintenance and adhesive, a brake system is opened but another brake system still checks elevator brake dish, now, the upper computer of elevator control cabinet can detect the lock torque of this brake system checking elevator brake dish.
When the terminals (C, D) of a level control loop are low level, when the terminals (E, F) of another level control loop are for high level, action is contrary, and the upper computer of elevator control cabinet can detect the lock torque of another brake system checking elevator brake dish.
The object that arranges of isolation control switch CK1, CK2 to control the input of brake controller CT1, CT2, the loop of power circuit of output, the accessory feed loop of brake controller CT1, CT2 can be controlled, also can control the signal wire (SW) control loop of brake controller CT1, CT2.
Embodiment 2
The present embodiment is also the circuit structure configured for two brake controller.As shown in Figure 2, identical substantially with embodiment 1 of its circuit structure and principle of work, difference part is, run contactless switch CJ to shift out from brake loop, and become two, be set in the loop of magnet coil L1, L2 respectively, namely magnet coil L1 connect with operation contactless switch CJ1, magnet coil L2 with run after contactless switch CJ2 connects, be connected to the mouth of brake controller CT1, CT2 of correspondence separately.
Embodiment 3
The present embodiment is the circuit structure configured for single brake controller.As shown in Figure 4, brake loop is connected to the input end (two wiring end points of brake loop are labeled as A, B) of brake controller CT1, and brake controller CT can adopt conventional control circuit structure.In brake loop, be serially connected with door lock relay DJ, band-type brake relay ZJ and run contactless switch CJ.The operating voltage of brake loop is applied to A, B two ends, and this voltage can be exchange 110/220V, also can be direct current 110/220V.
Two magnet coil L1, L2 be connected in parallel are connected at the mouth of brake controller CT1.Each serial connection master cock K1, K2 on each magnet coil branch road, on the action control end of two master cock K1, K2, (two wiring end points of a level control loop are labeled as C, D to each connection level control loop, two wiring end points of another level control loop are labeled as E, F), isolation control switch CK1, a CK2 is connected to separately in two level control loop, the input end of two level control loop is connected respectively on the upper computer of elevator control cabinet, to receive the lock torque self-checking command sent by upper computer.The end pin 4 of the mouth of two isolation control switch CK1, CK2 connects 15V direct supply through current-limiting resistance R2/R4, other end pin 3 grounding jumper G.
Under the control of the different Setting signal of the upper computer of elevator control cabinet, when the terminals (C, D) of two level control loop and (E, F) are low level, two master cock K1, K2 are all closed, two magnet coils L1, L2 obtain output field voltage and the ME for maintenance of brake controller CT1, two equal adhesives of magnet coil L1, L2, two brake system are all opened, release elevator brake dish.
When the terminals (C, D) of a level control loop are high level, when the terminals (E, F) of another level control loop are for low level, master cock K1 disconnects, magnet coil L2 attonity, and master cock K2 closes, magnet coil L1 is because obtaining the output field voltage of brake controller CT1 and ME for maintenance and adhesive, a brake system is opened but another brake system still checks elevator brake dish, now, the upper computer of elevator control cabinet can detect the lock torque of this brake system checking elevator brake dish.
When the terminals (C, D) of a level control loop are low level, when the terminals (E, F) of another level control loop are for high level, action is contrary, and the upper computer of elevator control cabinet can detect the lock torque of another brake system checking elevator brake dish.
The object that arranges of isolation control switch CK1, CK2 is the loop of power circuit that can control brake controller CT1 output.
Embodiment 4
The present embodiment is also the circuit structure configured for single brake controller.As shown in Figure 3, identical substantially with embodiment 3 of its circuit structure and principle of work, difference part is, run contactless switch CJ to shift out from brake loop, and become two, be set in the respective branch road of magnet coil L1, L2 respectively, namely magnet coil L1 connect with operation contactless switch CJ1, magnet coil L2 with run contactless switch CJ2 and connect, be connected to the mouth of brake controller CT1 after two series arm parallel connections.
Embodiment 5
The present embodiment is the circuit structure configured for two brake controller.As shown in Figure 5, basic identical with embodiment 1 of its circuit structure and principle of work, distinguishing part is in brake loop, be connected to the 3rd isolation control switch CK3 and current-limiting resistance R3.3,4 ends of isolation control switch CK1, CK2 can control the input of brake controller CT1, CT2, the loop of power circuit of output, the accessory feed loop of brake controller CT1, CT2 can be controlled, also can control the signal wire (SW) control loop of brake controller CT1, CT2.When brake loop obtain electric after, the 3rd isolation control switch CK3 conducting, the main power circuit (AC_IN) on two brake controller CT1, CT2, accessory feed loop and signal wire (SW) control loop are all connected, and make two brake controller CT1, CT2 obtain electric work.
Embodiment 6
The present embodiment is the circuit structure configured for two brake controller.As shown in Figure 6, basic identical with embodiment 2 of its circuit structure and principle of work, distinguishing part is in brake loop, be connected to the 3rd isolation control switch CK3 and current-limiting resistance R3.3,4 ends of isolation control switch CK1, CK2 can control the input of brake controller CT1, CT2, the loop of power circuit of output, the accessory feed loop of brake controller CT1, CT2 can be controlled, also can control the signal wire (SW) control loop of brake controller CT1, CT2.When brake loop obtain electric after, the 3rd isolation control switch CK3 conducting, the main power circuit (AC_IN) on two brake controller CT1, CT2, accessory feed loop and signal wire (SW) control loop are all connected, and make two brake controller CT1, CT2 obtain electric work.
Embodiment 7
The present embodiment is the circuit structure configured for single brake controller.As shown in Figure 7, basic identical with embodiment 3 of its circuit structure and principle of work, distinguishing part is in brake loop, be connected to the 3rd isolation control switch CK3.3,4 ends of isolation control switch CK1, CK2 can control the loop of power circuit of brake controller K1, K2 output.When brake loop obtain electric after, the 3rd isolation control switch CK3 conducting, the main power circuit (AC_IN) on two brake controller CT1, CT2, accessory feed loop and signal wire (SW) control loop are all connected, and make two brake controller CT1, CT2 obtain electric work.
Embodiment 8
The present embodiment is the circuit structure configured for single brake controller.As shown in Figure 8, basic identical with embodiment 4 of its circuit structure and principle of work, distinguishing part is in brake loop, be connected to the 3rd isolation control switch CK3.3,4 ends of isolation control switch CK1, CK2 can control the loop of power circuit of brake controller K1, K2 output.When brake loop obtain electric after, the 3rd isolation control switch CK3 conducting, the main power circuit (AC_IN) on two brake controller CT1, CT2, accessory feed loop and signal wire (SW) control loop are all connected, and make two brake controller CT1, CT2 obtain electric work.
Claims (8)
1. an elevator brake lock torque self-detection circuit, brake loop is tapped at the input end of two brake controllers, mouth tap magnet coil of each brake controller, it is characterized in that, two described brake controllers arrange the control end that can control described brake controller action respectively, level control loop is connected with at described control end, an isolation control switch is connected in each described level control loop, the input end of described level control loop is for connecting the upper computer of elevator control cabinet, the lock torque self-checking command that reception is sent by described upper computer or brake application open a sluice gate instruction.
2. elevator brake lock torque self-detection circuit according to claim 1, is characterized in that, is serially connected with door lock relay, band-type brake relay and runs contactless switch in described brake loop.
3. elevator brake lock torque self-detection circuit according to claim 1, is characterized in that, is serially connected with door lock relay and band-type brake relay in described brake loop, is serially connected with operation contactless switch in the branch road of described magnet coil.
4. the elevator brake lock torque self-detection circuit according to Claims 2 or 3, is characterized in that, is connected to the 3rd isolation control switch in described brake loop.
5. an elevator brake lock torque self-detection circuit, brake loop is connected to the input end of brake controller, two magnet coils be connected in parallel are connected at the mouth of described brake controller, it is characterized in that, each described magnet coil branch road is serially connected with master cock, the action control end of described master cock is connected with level control loop, an isolation control switch is connected in each described level control loop, the input end of described level control loop is for connecting the upper computer of elevator control cabinet, the lock torque self-checking command that reception is sent by described upper computer or brake application open a sluice gate instruction.
6. elevator brake lock torque self-detection circuit according to claim 5, is characterized in that, is serially connected with door lock relay, band-type brake relay and runs contactless switch in described brake loop.
7. elevator brake lock torque self-detection circuit according to claim 5, is characterized in that, is serially connected with door lock relay and band-type brake relay in described brake loop, in each magnet coil branch road, be serially connected with operation contactless switch.
8. the elevator brake lock torque self-detection circuit according to claim 6 or 7, is characterized in that, is connected to the 3rd isolation control switch in described brake loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410099816.4A CN103818792B (en) | 2014-03-18 | 2014-03-18 | Elevator brake lock torque self-detection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410099816.4A CN103818792B (en) | 2014-03-18 | 2014-03-18 | Elevator brake lock torque self-detection circuit |
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| CN103818792A CN103818792A (en) | 2014-05-28 |
| CN103818792B true CN103818792B (en) | 2015-11-18 |
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| CN201410099816.4A Active CN103818792B (en) | 2014-03-18 | 2014-03-18 | Elevator brake lock torque self-detection circuit |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103803366B (en) | 2013-12-19 | 2016-04-27 | 西子奥的斯电梯有限公司 | A kind of elevator internal contracting brake torque measuring method |
| CN104860147B (en) * | 2015-06-15 | 2017-10-17 | 北京安泰鸿源电梯设计有限公司 | Prevent accidental movement of elevator cage method |
| CN105621185B (en) * | 2015-12-23 | 2018-02-02 | 义乌恒邦建筑智能科技有限公司 | The test self-checking unit and method of a kind of rack-and-pinion building hoist braking moment |
| CN106081989A (en) * | 2016-07-14 | 2016-11-09 | 杭州奥立达电梯有限公司 | A kind of elevator internal contracting brake detection device and method |
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| JPH01288590A (en) * | 1988-05-13 | 1989-11-20 | Mitsubishi Electric Corp | Brake check device for elevator |
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