CN212832230U - Control circuit and elevator band-type brake system based on single band-type brake contactor - Google Patents
Control circuit and elevator band-type brake system based on single band-type brake contactor Download PDFInfo
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- CN212832230U CN212832230U CN202021662761.0U CN202021662761U CN212832230U CN 212832230 U CN212832230 U CN 212832230U CN 202021662761 U CN202021662761 U CN 202021662761U CN 212832230 U CN212832230 U CN 212832230U
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- band
- contactor
- type brake
- brake
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
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Abstract
The utility model discloses a control circuit based on single band-type brake contactor and elevator band-type brake system, the control circuit based on single band-type brake contactor includes the main loop that band-type brake contactor, rectifier bridge and band-type brake circuit connected in proper order constitute; the band-type brake contactor is used for controlling the on-off of a band-type brake circuit; the rectifier bridge is used for rectifying the alternating current power supply voltage input by the band-type brake contactor so as to output the direct current power supply voltage to the band-type brake circuit; and the band-type brake circuit is used for controlling the running state of the elevator. The utility model discloses technical scheme has promoted elevator band-type brake system reliability, has reduced elevator band-type brake system's cost simultaneously.
Description
Technical Field
The utility model relates to an elevator band-type brake technical field, in particular to control circuit and elevator band-type brake system based on single band-type brake contactor.
Background
With the development of economy, elevators have become an important part of life. The safety of elevators has also become a focus of attention for people. The band-type brake is an important guarantee for the safety of the elevator. A band-type brake contactor in a band-type brake control system is one of devices with higher failure rate. The conventional band-type brake system has the technical scheme that the band-type brake contactor is arranged on the direct current side, so that the damage of the contactor caused by arc discharge of the band-type brake contactor cannot be avoided; in addition, in order to realize the detection of the single-arm braking force, each band-type brake is matched with one band-type brake contactor, so that in order to prevent the arc discharge of the band-type brake contactors, a voltage reduction circuit and an absorption loop are added, and the cost of an elevator band-type brake system is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a control circuit and elevator band-type brake system based on single band-type brake contactor aims at promoting elevator band-type brake system reliability, reduces the cost of elevator band-type brake system simultaneously.
In order to achieve the purpose, the control circuit based on the single band-type brake contactor provided by the utility model comprises a main loop consisting of the band-type brake contactor, a rectifier bridge and a band-type brake circuit which are sequentially connected in sequence;
the band-type brake contactor is used for controlling the on-off of the band-type brake circuit;
the rectifier bridge is used for rectifying the alternating current power supply voltage input by the band-type brake contactor so as to output the direct current power supply voltage to the band-type brake circuit;
and the band-type brake circuit is used for controlling the running state of the elevator.
Optionally, the band-type brake circuit comprises a switching device and a band-type brake, and the switching device and the band-type brake are connected in series;
the switching device is used for controlling the operating state of the band-type brake.
Optionally, the switching device is a MOS transistor, a thyristor, or an insulated gate bipolar transistor.
Optionally, the control circuit based on the single band-type brake contactor further comprises an operating contactor, and the operating contactor is connected between the band-type brake contactor and the rectifier bridge;
and the operation contactor is used for controlling the operation state of the main loop.
Optionally, the control circuit based on the single band-type brake contactor further comprises an alternating current power supply end, and the alternating current power supply end is connected with the input end of the band-type brake contactor;
and the alternating current power supply end is used for inputting power supply voltage to supply power for the band-type brake circuit.
Optionally, the power voltage input by the alternating current power supply end is an alternating current power supply voltage of 110V and/or an alternating current power supply voltage of 220V.
Optionally, the number of the band-type brake circuits is 1 group or 2 groups.
The utility model also provides an elevator brake system, elevator brake system includes band-type brake circuit, band-type brake contactor, operation contactor and as above-mentioned control circuit based on single band-type brake contactor, control circuit based on single band-type brake contactor includes the main loop that band-type brake contactor, rectifier bridge and band-type brake circuit connected in proper order constitute;
the band-type brake contactor is used for controlling the on-off of the band-type brake circuit;
the rectifier bridge is used for rectifying the alternating current power supply voltage input by the band-type brake contactor so as to output the direct current power supply voltage to the band-type brake circuit;
and the band-type brake circuit is used for controlling the running state of the elevator.
Optionally, the elevator brake system further comprises a controller, and the controller is respectively connected with the brake contactor of the control circuit based on the single brake contactor, the brake circuit and the operation contactor;
the controller is used for controlling the operation contactor, the band-type brake contactor and the band-type brake circuit to be sequentially opened when the elevator operates.
Optionally, the controller is further configured to control the brake circuit, the brake contactor, and the operating contactor to be sequentially turned off when the elevator is stopped.
In the technical scheme of the utility model, the control circuit based on the single band-type brake contactor comprises a band-type brake contactor, a rectifier bridge and a band-type brake circuit which are sequentially connected, and the band-type brake contactor, the rectifier bridge and the band-type brake circuit form a main loop in an elevator band-type brake system; the contracting brake contactor in the main loop is connected to the alternating current side in front of the rectifier bridge, the rectifier bridge rectifies the alternating current power supply voltage input by the contracting brake contactor, and outputs the direct current power supply voltage to the contracting brake circuit to control the operation of the contracting brake circuit. The problem that when an elevator stops and is closed, the band-type brake contactor is disconnected to cut off direct current, and arcing damages the band-type brake contactor is solved, and the reliability of an elevator band-type brake system is improved; the problem that the cost of the elevator band-type brake system is high due to the fact that the band-type brake contactor needs to be arranged in each band-type brake circuit and the absorption circuit needs to be arranged to solve the problem that the band-type brake contactor generates arc discharge, and therefore the cost of the elevator band-type brake system is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic diagram of a control structure of an embodiment of a dual-contracting brake contactor in the prior art;
FIG. 2 is a schematic diagram of a control timing sequence of an embodiment of a dual-band-type brake contactor in the prior art;
fig. 3 is a schematic control structure diagram of an embodiment of a control circuit based on a single internal contracting brake contactor according to the present invention;
fig. 4 is a schematic diagram of a control timing sequence of an embodiment of a control circuit based on a single band-type brake contactor according to the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 10 | Band- |
50 | AC |
| 20 | Rectifier bridge | 31 | |
| 30 | Band-type brake circuit | 32 | Band- |
| 40 | Operating contactor |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if appearing throughout the text, "and/or" is meant to include three juxtaposed aspects, taking "A and/or B" as an example, including either the A aspect, or the B aspect, or both A and B satisfied aspects. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a control circuit based on single band-type brake contactor is applied to elevator band-type brake system. In the related art, referring to fig. 1, an elevator brake contactor circuit with two brake devices is provided, in which one brake contactor connection is required for each brake device, that is, the elevator brake contactor circuit shown in fig. 1 has two brake contactors, so as to implement the braking force detection of each brake device, however, the cost of the elevator brake system using two brake devices is high. In addition, as the band-type brake contactor is connected in series with the band-type brake, namely the band-type brake contactor is arranged on the direct current side of the elevator band-type brake contactor circuit, further, the control time sequence of the band-type brake system of the scheme is as shown in fig. 2, when the elevator runs and is opened, the switch control sequence in a loop is to close the running contactor first and then close the band-type brake contactor, and when the band-type brake contactor is closed, current mutation can occur to influence the service life of the band-type brake contactor; when the elevator is stopped and closed, the switch control sequence in the loop is to disconnect the brake contactor firstly and then disconnect the operating contactor, and because the direct current on the direct current side of the rectifier bridge is cut off when the brake contactor is closed, the brake contactor is subjected to arc discharge, the brake contactor is damaged, and the reliability of an elevator brake system is reduced; in addition, in order to solve the problem that the contracting brake contactor in the loop draws arc, an absorption circuit is required to be connected to each contracting brake in parallel, and the cost of the contracting brake system of the contracting brake elevator is increased.
In order to solve the above problem, in an embodiment of the present invention, referring to fig. 3, the control circuit based on a single internal contracting brake contactor includes a main loop composed of an internal contracting brake contactor 10, a rectifier bridge 20 and an internal contracting brake circuit 30 which are sequentially connected in sequence;
the band-type brake contactor 10 is used for controlling the on-off of the band-type brake circuit 30;
the rectifier bridge 20 is configured to rectify the ac power voltage input through the band-type brake contactor 10 to output a dc power voltage to the band-type brake circuit 30;
and the band-type brake circuit 30 is used for controlling the running state of the elevator.
In this embodiment, the band-type brake contactor 10, the rectifier bridge 20 and the band-type brake circuit 30 are sequentially connected in sequence to constitute a main loop of a single band-type brake contactor 10 circuit, in this main loop, the band-type brake contactor 10 is arranged in a preceding stage circuit of the rectifier bridge 20, that is, the band-type brake contactor 10 is connected to an alternating current side, and due to a zero crossing point of an alternating current power supply, the problem of arc discharge when the band-type brake contactor 10 is disconnected cannot be caused, so that the band-type brake contactor 10 cannot be damaged during operation, and the reliability of the elevator band-type brake system is improved. In addition, because the band-type brake contactor 10 is directly connected to the alternating current power supply side of the main loop, a band-type brake contactor 10 does not need to be connected in series on a branch of each band-type brake, and an absorption loop does not need to be arranged to solve the problem of arc discharge of the band-type brake contactor 10, so that the cost of the elevator band-type brake system is reduced.
Further, the number of the band-type brake circuits 30 is 1 group or 2 groups. That is, the band-type brake circuits 30 of the elevator band-type brake system can be 1 group or 2 groups, and are set according to practical application conditions. In the scheme, the band-type brake contactors 10 can be connected to the alternating current side of the main loop, so that the band-type brake circuits 30 can be controlled, and the band-type brake contactors 10 are not required to be arranged on each group of band-type brake circuits 30, so that the cost of an elevator band-type brake system is reduced.
It can be understood that the circuit of the single band-type brake contactor 10 further includes an ac power supply terminal 50, and the ac power supply terminal 50 is connected to an input terminal of the band-type brake contactor 10 for inputting a power supply voltage to supply power to the band-type brake circuit 30. Namely, the band-type brake contactor 10 is connected to the alternating current side of the main loop of the circuit of the single band-type brake contactor 10 in the elevator band-type brake system.
The power supply voltage input to the ac power supply terminal 50 is 110V of ac power supply voltage and/or 220V of ac power supply voltage. Namely, the power supply voltage of the brake in the circuit of the single brake contactor 10 is regulated to 110V, namely, the power can be supplied by 110V of the alternating current power supply end 50; the power supply voltage of the brake in the circuit of the single brake contactor 10 is regulated to be 220V, namely, the power supply can be supplied by 220V of the alternating current power supply end 50.
In the technical scheme of the utility model, the single band-type brake contactor 10 circuit comprises a band-type brake contactor 10, a rectifier bridge 20 and a band-type brake circuit 30 which are sequentially connected in sequence, and the band-type brake contactor 10, the rectifier bridge 20 and the band-type brake circuit 30 form a main loop in an elevator band-type brake system; the band-type brake contactor 10 in the main loop is connected to an alternating current side in front of the rectifier bridge 20, and the rectifier bridge 20 rectifies an alternating current power supply voltage input through the band-type brake contactor 10, outputs a direct current power supply voltage to the band-type brake circuit 30, and controls the operation of the band-type brake circuit 30. The problem that the contracting brake contactor 10 is arranged in the contracting brake circuit 30 on the direct current side of the rectifier bridge 20, when the elevator stops and is closed, the contracting brake contactor 10 is disconnected to cut off direct current, arcing occurs and the contracting brake contactor 10 is damaged is solved, and the reliability of an elevator contracting brake system is improved; meanwhile, the problem that the cost of the elevator brake system is high due to the fact that the brake contactor 10 needs to be arranged in each brake circuit 30 and the absorption circuit needs to be arranged to solve the problem that the brake contactor 10 is subjected to arc discharge, is solved, and the cost of the elevator brake system is reduced.
In one embodiment, referring to fig. 3, the band-type brake circuit 30 includes a switching device 31 and a band-type brake, and the switching device 31 and the band-type brake 32 are connected in series;
the switching device 31 is configured to control an operation state of the internal contracting brake 32.
It can be understood that the brake force detection of the band-type brake 32 in the band-type brake circuit 30 is realized through the switch device 31 connected with the band-type brake 32 in series, and the cost of the elevator band-type brake system is reduced due to the fact that the cost of the switch device 31 is lower than that of the band-type brake contactor 10.
Further, the switching device 31 may be, but is not limited to, a MOS transistor, a thyristor, or an insulated gate bipolar transistor, and may be selected according to actual situations.
In one embodiment, referring to fig. 3, the circuit of the single brake contactor 10 further includes a running contactor 40, and the running contactor 40 is connected between the brake contactor 10 and the rectifier bridge 20;
and the operating contactor 40 is used for controlling the operating state of the main loop.
It can be understood that the main loop operation state of the circuit of the single band-type brake contactor 10 can be realized by operating the contactor 40, that is, the on-off of the circuit of the single band-type brake contactor 10 is controlled.
The utility model also provides an elevator brake system, elevator brake system includes band-type brake circuit 30, band-type brake contactor 10, operation contactor 40 and as above single band-type brake contactor 10 circuit, single band-type brake contactor 10 circuit includes the main loop that band-type brake contactor 10, rectifier bridge 20 and band-type brake circuit 30 connected in proper order constitute;
the band-type brake contactor 10 is used for controlling the on-off of the band-type brake circuit 30;
the rectifier bridge 20 is configured to rectify the ac power voltage input through the band-type brake contactor 10 to output a dc power voltage to the band-type brake circuit 30;
and the band-type brake circuit 30 is used for controlling the running state of the elevator.
In this embodiment, the elevator brake system further includes a controller, and the controller is respectively connected to the brake contactor 10, the brake circuit 30 and the operating contactor 40 of the single brake contactor 10 circuit;
the controller is used for controlling the operation contactor 40, the band-type brake contactor 10 and the band-type brake circuit 30 to be sequentially opened when the elevator operates; the controller is also used for controlling the brake circuit 30, the brake contactor 10 and the operation contactor 40 to be sequentially disconnected when the elevator stops.
It should be noted that, referring to fig. 4, when the elevator operates to open the band-type brake, the operating contactor 40 is closed, then the band-type brake contactor 10 is closed, and finally the switching device 31 in the band-type brake circuit 30 is closed, so that the current sudden change does not occur when the contacts of the band-type brake contactor 10 are closed. When the elevator stops and the band-type brake is closed, the switch device 31 in the band-type brake circuit 30 is firstly disconnected, then the band-type brake contactor 10 is disconnected, and finally the operation contactor 40 is disconnected, so that the band-type brake contactor 10 does not cut off direct current, and the arc discharge condition can not be generated. The scheme avoids arc discharge of the band-type brake contactor 10 and prolongs the service life of the band-type brake contactor 10.
The specific structure of the circuit of the single brake contactor 10 refers to the above embodiments, and the elevator brake system adopts all the technical solutions of all the above embodiments, so that the elevator brake system at least has all the beneficial effects brought by the technical solutions of the above embodiments, and details are not repeated herein.
The above is only the optional embodiment of the present invention, and not therefore the limit to the patent scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the scheme conception of the present invention, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.
Claims (10)
1. A control circuit based on a single band-type brake contactor is applied to an elevator band-type brake system and is characterized in that the control circuit based on the single band-type brake contactor comprises a main loop formed by a band-type brake contactor, a rectifier bridge and a band-type brake circuit which are sequentially connected;
the band-type brake contactor is used for controlling the on-off of the band-type brake circuit;
the rectifier bridge is used for rectifying the alternating current power supply voltage input by the band-type brake contactor so as to output the direct current power supply voltage to the band-type brake circuit;
and the band-type brake circuit is used for controlling the running state of the elevator.
2. The single-brake-contactor-based control circuit according to claim 1, wherein the brake circuit comprises a switching device and a brake, the switching device and the brake being connected in series;
the switching device is used for controlling the operating state of the band-type brake.
3. The control circuit based on the single-contracting brake contactor as claimed in claim 2, wherein the switching device is a MOS transistor, a thyristor or an insulated gate bipolar transistor.
4. The single-brake-contactor-based control circuit according to claim 1, wherein the single-brake-contactor-based control circuit further comprises a running contactor connected between the brake contactor and the rectifier bridge;
and the operation contactor is used for controlling the operation state of the main loop.
5. The control circuit based on the single band-type brake contactor according to claim 1, wherein the control circuit based on the single band-type brake contactor further comprises an alternating current power supply end, and the alternating current power supply end is connected with an input end of the band-type brake contactor;
and the alternating current power supply end is used for inputting power supply voltage to supply power for the band-type brake circuit.
6. The control circuit based on the single-contracting brake contactor as claimed in claim 5, wherein the power voltage input by the alternating current power supply end is 110V alternating current power voltage and/or 220V alternating current power voltage.
7. The control circuit based on the single-contracting brake contactor according to any one of claims 1 to 6, wherein the number of contracting brake circuits is 1 group or 2 groups.
8. An elevator brake system, characterized in that the elevator brake system comprises a brake circuit, a brake contactor, a running contactor and a control circuit based on a single brake contactor as claimed in any one of claims 1 to 7.
9. The elevator brake system according to claim 8, further comprising a controller connected to the brake contactor, the brake circuit and the run contactor of the single brake contactor based control circuit, respectively;
the controller is used for controlling the operation contactor, the band-type brake contactor and the band-type brake circuit to be sequentially opened when the elevator operates.
10. The elevator brake system according to claim 9, wherein the controller is further configured to control the brake circuit, the brake contactor, and the run contactor to be sequentially turned off when the elevator is stopped.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021662761.0U CN212832230U (en) | 2020-08-11 | 2020-08-11 | Control circuit and elevator band-type brake system based on single band-type brake contactor |
| PCT/CN2021/111583 WO2022033439A1 (en) | 2020-08-11 | 2021-08-09 | Control circuit based on single band-type brake contactor, and elevator band-type brake system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021662761.0U CN212832230U (en) | 2020-08-11 | 2020-08-11 | Control circuit and elevator band-type brake system based on single band-type brake contactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212832230U true CN212832230U (en) | 2021-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021662761.0U Active CN212832230U (en) | 2020-08-11 | 2020-08-11 | Control circuit and elevator band-type brake system based on single band-type brake contactor |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN212832230U (en) |
| WO (1) | WO2022033439A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022033439A1 (en) * | 2020-08-11 | 2022-02-17 | 苏州汇川技术有限公司 | Control circuit based on single band-type brake contactor, and elevator band-type brake system |
| WO2023241329A1 (en) * | 2022-06-16 | 2023-12-21 | 苏州汇川控制技术有限公司 | Elevator non-isolated safety brake power supply and elevator equipment |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114906765B (en) * | 2022-06-16 | 2023-11-21 | 苏州汇川控制技术有限公司 | Elevator band-type brake control method, device, equipment and storage medium |
| CN115321293B (en) * | 2022-08-04 | 2023-09-26 | 浙江梅轮电梯股份有限公司 | Unilateral system of elevator stops testing arrangement |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008019051A (en) * | 2006-07-13 | 2008-01-31 | Meidensha Corp | Safety circuit of elevating type device by motor provided with electromagnetic brake |
| CN102674194A (en) * | 2012-05-23 | 2012-09-19 | 佛山市顺德区金泰德胜电机有限公司 | Control circuit of elevator brake |
| CN104210982B (en) * | 2014-08-22 | 2016-05-25 | 上海吉亿电机有限公司 | A kind of elevator internal contracting brake control system and control method |
| CN206328017U (en) * | 2016-11-03 | 2017-07-14 | 广东卓梅尼技术股份有限公司 | Elevator internal contracting brake control system |
| CN206447440U (en) * | 2016-12-19 | 2017-08-29 | 广州日滨科技发展有限公司 | Elevator internal contracting brake control device |
| CN106865371B (en) * | 2017-03-01 | 2018-09-21 | 日立楼宇技术（广州）有限公司 | Elevator brake and its control method |
| CN210286369U (en) * | 2019-08-16 | 2020-04-10 | 重庆玖玖新能源有限公司 | Power supply device for band-type brake equipment |
| CN111453637B (en) * | 2020-03-31 | 2021-12-21 | 苏州汇川技术有限公司 | Elevator brake control method, system, equipment and computer readable storage medium |
| CN212832230U (en) * | 2020-08-11 | 2021-03-30 | 苏州汇川技术有限公司 | Control circuit and elevator band-type brake system based on single band-type brake contactor |
-
2020
- 2020-08-11 CN CN202021662761.0U patent/CN212832230U/en active Active
-
2021
- 2021-08-09 WO PCT/CN2021/111583 patent/WO2022033439A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022033439A1 (en) * | 2020-08-11 | 2022-02-17 | 苏州汇川技术有限公司 | Control circuit based on single band-type brake contactor, and elevator band-type brake system |
| WO2023241329A1 (en) * | 2022-06-16 | 2023-12-21 | 苏州汇川控制技术有限公司 | Elevator non-isolated safety brake power supply and elevator equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022033439A1 (en) | 2022-02-17 |
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