CN214590573U - Circuit breaker divide-shut brake coil protection device - Google Patents
Circuit breaker divide-shut brake coil protection device Download PDFInfo
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- CN214590573U CN214590573U CN202120698477.7U CN202120698477U CN214590573U CN 214590573 U CN214590573 U CN 214590573U CN 202120698477 U CN202120698477 U CN 202120698477U CN 214590573 U CN214590573 U CN 214590573U
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- 238000012545 processing Methods 0.000 claims abstract description 32
- 238000004891 communication Methods 0.000 claims description 16
- 238000011897 real-time detection Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005284 excitation Effects 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000000246 remedial effect Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a circuit breaker divide-shut brake coil protection device, including upper cover, base, binding post and divide-shut brake coil protection subassembly, divide-shut brake coil protection subassembly includes first current sensor, second current sensor, central processing unit, separating brake protection executor, combined floodgate protection executor and fault alarm. The device passes through the current data in first current sensor and the second current sensor real-time detection separating brake coil return circuit and the closing coil return circuit, and send to central processing unit and handle, when discovering current data anomaly, in time cut off the power supply in unusual coil return circuit through separating brake protection executor and closing protection executor, thereby guarantee the safety of circuit breaker, and simultaneously, when central processing unit detected anomaly, can also send out the police dispatch newspaper through the fault alarm, remind the field management personnel in time to discover the trouble and take effectual measure, thereby further guarantee the safety of circuit breaker working circuit.
Description
Technical Field
The utility model relates to a circuit breaker protective apparatus technical field, more specifically the utility model relates to a circuit breaker divide-shut brake coil protection device that says so.
Background
Currently, circuit breakers play a dual role in electrical systems to control and protect the stable operation of electrical systems. When the power system has a fault, the circuit breaker receives a tripping command sent by the relay protection and automatic device and executes a tripping action at the speed of millisecond level so as to prevent the accident from spreading and expanding.
However, in the practical application process, the breaker often has a fault of opening and closing refusing or an auxiliary contact is not opened, at this time, the opening and closing coil is easily burnt due to long-time electrification, and if the fault cannot be found by a manager in time and an effective remedial measure is taken, a more serious safety accident may be caused.
Therefore, how to provide a safe and reliable protection device for the opening and closing coil of the circuit breaker is a problem that needs to be solved urgently by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a circuit breaker divide-shut brake coil protection device, the device has effectively solved the easy burning that is destroyed of circuit breaker divide-shut brake coil in the use through the reasonable improvement of structure, and can not in time indicate trouble scheduling problem.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a circuit breaker opening and closing coil protection device comprises an upper cover, a base, a wiring terminal and an opening and closing coil protection assembly, wherein the upper cover is buckled on the base and is fixedly connected with the base;
the opening and closing coil protection assembly comprises a first current sensor, a second current sensor, a central processing unit, an opening protection actuator, a closing protection actuator and a fault alarm;
the first current sensor is electrically connected with a switching-off coil loop through the wiring terminal, the second current sensor is electrically connected with a switching-on coil loop through the wiring terminal, the input end of the central processing unit is electrically connected with the first current sensor and the second current sensor respectively, and the output end of the central processing unit is electrically connected with the switching-off protection actuator, the switching-on protection actuator and the fault alarm respectively.
The utility model has the advantages that: the device passes through the current data in first current sensor and the second current sensor real-time detection separating brake coil return circuit and the closing coil return circuit, and send to central processing unit and handle, when discovering current data anomaly, in time cut off the power supply in unusual coil return circuit through separating brake protection executor and closing protection executor, thereby guarantee the safety of circuit breaker, and simultaneously, when central processing unit detected anomaly, can also send out the police dispatch newspaper through the fault alarm, remind the field management personnel in time to discover the trouble and take effectual measure, thereby further guarantee the safety of circuit breaker working circuit.
Furthermore, the opening and closing coil protection assembly further comprises a communication module, one end of the communication module is electrically connected with the central processing unit, and the other end of the communication module is in communication connection with an external manager equipment terminal.
The communication module can be in butt joint with an external manager equipment terminal, and reports the field fault to the manager equipment terminal in time, so that managers can conveniently and remotely know the field fault affairs, and can be in butt joint with the field in time if necessary to assist or guide the field fault processing work.
Furthermore, the opening and closing coil protection assembly further comprises a memory, and the memory is electrically connected with the central processing unit.
The memory can store the current data detected by the two current sensors, and when statistical data is needed, the current data stored in the memory can be exported, so that data support is provided for the staff to carry out troubleshooting and maintenance work of the circuit breaker.
Furthermore, a work indicator light is further arranged on the upper cover and electrically connected with the central processing unit.
The work pilot lamp can display the operating condition of the device, such as normal work, fault and the like, and the field worker can know the operating condition of the device conveniently.
Furthermore, the upper cover is also provided with a reset button, and the reset button is electrically connected with the central processing unit.
The reset button is mainly used for manually resetting the fault prompt signal after the device gives out a fault alarm, so that the device is restored to a normal working state.
Furthermore, the wiring terminals are arranged in two rows, and the two rows of wiring terminals are symmetrically arranged on two sides of the upper cover.
Two rows of binding post set up respectively on the base to be located the both sides of upper cover, be convenient for insert corresponding circuit with whole device, or carry out work such as data import and export, device maintenance detection.
Further, the top of binding post is equipped with the terminal cover, the terminal cover with binding post can dismantle the connection.
The terminal cover can protect the terminal head when the wiring terminal is idle, and the influence on the normal use of the wiring terminal caused by water inflow, impact, dust and the like is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required 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 embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a circuit breaker opening and closing coil protection device provided by the present invention;
fig. 2 is a schematic structural diagram of the circuit breaker opening and closing coil protection device in a top view state;
fig. 3 is a schematic diagram of the electrical connection relationship between the opening and closing coil protection assembly and other electrical devices.
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 work belong to the protection scope of the present invention.
Referring to the attached drawings 1, 2 and 3, the embodiment of the utility model discloses a circuit breaker opening and closing coil protection device, which comprises an upper cover 1, a base 2, a wiring terminal 3 and an opening and closing coil protection component 4, wherein the upper cover 1 is buckled on the base 2 and is fixedly connected with the base 2, the opening and closing coil protection component 4 is packaged between the upper cover 1 and the base 2, the wiring terminal 3 is arranged on the base 2, and the wiring terminal 3 is electrically connected with the opening and closing coil protection component 4;
the opening and closing coil protection component 4 comprises a first current sensor 401, a second current sensor 402, a central processing unit 403, an opening protection actuator 404, a closing protection actuator 405 and a fault alarm 406;
the first current sensor 401 is electrically connected with the opening coil loop through a connecting terminal 3, the second current sensor 402 is electrically connected with the closing coil loop through a connecting terminal 3, the input end of the central processing unit 403 is electrically connected with the first current sensor 401 and the second current sensor 402 respectively, and the output end of the central processing unit 403 is electrically connected with the opening protection actuator 404, the closing protection actuator 405 and the fault alarm 406 respectively.
The central processing unit 403 in this embodiment may be a single chip microcomputer, and may specifically be reasonably selected according to actual application needs, the opening protection actuator 404 and the closing protection actuator 405 may be implemented by installing an excitation switch at a normally closed node between the opening coil loop and the power supply circuit and at a normally closed node between the closing coil loop and the power supply circuit, and the power supply of the corresponding coil loop is cut off by turning off the excitation switch. The malfunction alarm 406 may be implemented as a buzzer.
Preferably, referring to fig. 3, the opening and closing coil protection assembly 4 further includes a communication module 407, one end of the communication module 407 is electrically connected to the central processing unit 403, and the other end of the communication module 407 is in communication connection with an external manager device terminal.
In this embodiment, the communication module 407 may be implemented by using existing communication chips such as a WiFi module and a bluetooth module, and may be reasonably selected according to actual application needs.
Preferably, referring to fig. 3, the opening and closing coil protection assembly 4 further includes a memory 408, and the memory 408 is electrically connected to the central processing unit 403. The memory 408 is an external memory of the central processing unit 403, and a memory with a specific storage capacity can be reasonably selected according to actual data storage requirements.
Preferably, referring to fig. 2, the upper cover 1 is further provided with a work indicator lamp 5, and the work indicator lamp 5 is electrically connected with the central processing unit 403.
Preferably, referring to fig. 1, the upper cover 1 is further provided with a reset button 6, and the reset button 6 is electrically connected with the central processor 403. The reset button 6 is specifically provided on one side of the upper cover 1, and can manually reset the failure indication state after the failure is discharged.
Specifically, referring to fig. 2, the terminals 3 are provided in two rows, and the two rows of terminals 3 are symmetrically disposed on both sides of the upper cover 1. The arrangement of the two rows of wiring terminals 3 is convenient for the device to connect with electricity, relay, lead in or lead out data and the like.
Preferably, referring to fig. 1, the terminal cover 7 is disposed on the top of the terminal 3, and the terminal cover 7 is detachably connected to the terminal 3. Terminal cover 7 adopts transparent material to make in this embodiment, like this, before opening terminal cover 7, just can be clear the binding post of treating the use of affirmation, it is more convenient to operate.
In this embodiment, after the circuit breaker switching-off and switching-on coil protection device is powered on, the first current sensor 401 collects current data in a switching-off coil loop in real time, the second current sensor 402 collects current data in a switching-on loop in real time, the central processing unit 403 receives the current data collected by the two current sensors, compares the received current data with a preset working current threshold range, and when the received current exceeds the working current range, it is indicated that a fault occurs in the corresponding switching-off coil loop or the corresponding switching-on coil loop, if the current of the switching-off coil loop is abnormal, the central processing unit 403 controls the switching-off protection actuator 404 to act, and cuts off power supply of the switching-off coil loop, and if the current of the switching-on coil loop is abnormal, the central processing unit 403 controls the switching-on protection actuator 404 to act, and cuts off power supply of the switching-on coil loop.
Meanwhile, the central processing unit 403 also controls the fault alarm 406 and the work indicator lamp 5 to give an alarm prompt, and controls the communication module 407 to report the fault information to an external manager device terminal, so that the relay is protected online more safely and reliably.
The embodiment of the utility model discloses relay divide-shut brake coil protection device can not only carry out real-time online control to the electric current in divide-shut brake coil return circuit, can also be when detecting abnormal conditions fast acting, cuts off the power supply in corresponding coil return circuit, still has the trouble simultaneously and reports and trouble prompt facility, and the function is more perfect, and monitoring protection process is safe and reliable more.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. A circuit breaker opening and closing coil protection device is characterized by comprising an upper cover, a base, a wiring terminal and an opening and closing coil protection assembly, wherein the upper cover is buckled on the base and is fixedly connected with the base;
the opening and closing coil protection assembly comprises a first current sensor, a second current sensor, a central processing unit, an opening protection actuator, a closing protection actuator and a fault alarm;
the first current sensor is electrically connected with a switching-off coil loop through the wiring terminal, the second current sensor is electrically connected with a switching-on coil loop through the wiring terminal, the input end of the central processing unit is electrically connected with the first current sensor and the second current sensor respectively, and the output end of the central processing unit is electrically connected with the switching-off protection actuator, the switching-on protection actuator and the fault alarm respectively.
2. The circuit breaker opening and closing coil protection device according to claim 1, wherein the opening and closing coil protection assembly further comprises a communication module, one end of the communication module is electrically connected with the central processing unit, and the other end of the communication module is in communication connection with an external manager equipment terminal.
3. The circuit breaker opening and closing coil protection device according to claim 1 or 2, wherein the opening and closing coil protection assembly further comprises a memory, and the memory is electrically connected with the central processing unit.
4. The circuit breaker opening and closing coil protection device according to claim 1, wherein a working indicator lamp is further arranged on the upper cover, and the working indicator lamp is electrically connected with the central processing unit.
5. The circuit breaker opening and closing coil protection device according to claim 1 or 4, wherein a reset button is further arranged on the upper cover, and the reset button is electrically connected with the central processing unit.
6. The circuit breaker opening and closing coil protection device according to claim 1, wherein two rows of the wiring terminals are arranged, and the two rows of the wiring terminals are symmetrically arranged on two sides of the upper cover.
7. The circuit breaker opening and closing coil protection device according to claim 1 or 6, wherein a terminal cover is arranged on the top of the wiring terminal, and the terminal cover is detachably connected with the wiring terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120698477.7U CN214590573U (en) | 2021-04-01 | 2021-04-01 | Circuit breaker divide-shut brake coil protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120698477.7U CN214590573U (en) | 2021-04-01 | 2021-04-01 | Circuit breaker divide-shut brake coil protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214590573U true CN214590573U (en) | 2021-11-02 |
Family
ID=78323422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120698477.7U Expired - Fee Related CN214590573U (en) | 2021-04-01 | 2021-04-01 | Circuit breaker divide-shut brake coil protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214590573U (en) |
-
2021
- 2021-04-01 CN CN202120698477.7U patent/CN214590573U/en not_active Expired - Fee Related
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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: 20211102 |