CN214626505U - Novel circuit breaker monitoring device - Google Patents
Novel circuit breaker monitoring device Download PDFInfo
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- CN214626505U CN214626505U CN202120588091.0U CN202120588091U CN214626505U CN 214626505 U CN214626505 U CN 214626505U CN 202120588091 U CN202120588091 U CN 202120588091U CN 214626505 U CN214626505 U CN 214626505U
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- circuit breaker
- control unit
- hall sensor
- monitoring device
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Abstract
The utility model discloses a novel circuit breaker monitoring device, include the casing and set up in the inside circuit module of casing, circuit module includes a control unit and a first hall sensor who sets up in energy storage circuit at least, and first hall sensor is arranged in detecting the electric current generation current signal in the energy storage circuit to with current signal output to the control unit's input, the control unit is used for the current signal based on external switch signal and input, output control signal to outside actuating mechanism, the utility model discloses a novel circuit breaker monitoring device both can control the operation to the circuit breaker, also can monitor the state of circuit breaker simultaneously, gathers energy storage circuit electric current to judge the state of circuit breaker according to the electric current of gathering, make the function integrate, reduce cost, easy to assemble with be favorable to batch production.
Description
Technical Field
The utility model belongs to the technical field of a power grid circuit breaker intelligent monitoring and specifically relates to a novel circuit breaker control device.
Background
The most basic function of the switch device is to control the circuit breaker to close/open, the conventional method is to control the circuit breaker through a special controller, but because the circuit breaker closing/opening operation is composed of an energy storage system, a closing/opening tripper, a transmission mechanism and an execution system, the energy storage is a very important link, the failure of the energy storage leads to the failure of the closing operation, and serious consequences can be caused, therefore, a monitoring device is required to be added to monitor the real-time state of the energy storage motor of the circuit breaker.
Therefore, two devices are required to be used simultaneously, but the two devices are used simultaneously, so that the processes of overlapping functions, adding extra wiring and the like are caused, and the mass production is not facilitated.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome not enough of above technique, provide a novel circuit breaker monitoring device, can be in order to carry out control operation to the circuit breaker, also can keep watch on the state of circuit breaker simultaneously, gather energy storage loop current to judge the state of circuit breaker according to the electric current of gathering, make the function integrate, reduce cost, easy to assemble with be favorable to batch production.
In order to realize the utility model discloses a purpose, the utility model provides a novel circuit breaker monitoring device, including the casing with set up in the inside circuit module of casing, circuit module includes a control unit and one at least and sets up the first hall sensor in energy storage circuit, first hall sensor is arranged in detecting the electric current generation current signal in the energy storage circuit to with current signal output to the control unit's input, the control unit is used for based on the current signal of external switch signal and input, output control signal to outside actuating mechanism.
Furthermore, the control unit comprises an MCU and an actuating mechanism control unit, wherein the input end of the MCU is used for being coupled with an external switch signal and a current signal output by the first Hall sensor, and the output end of the MCU is coupled with the input end of the actuating mechanism control unit, so that the actuating mechanism control unit is controlled to output a control signal to an external actuating mechanism.
The second Hall sensor and the third Hall sensor are respectively used for detecting the current of the closing loop and the current of the opening loop and outputting the detected current of the closing loop and the detected current of the opening loop to the MCU.
And the MCU analyzes the waveform distortion and the variation trend of the detected energy storage loop current, closing loop current and opening loop current so as to judge the state of the short circuit.
Further, the MCU is PIC18F67K 22-I/PT.
Furthermore, the circuit module further comprises an a/D conversion unit, wherein the input end of the a/D conversion unit is respectively coupled to the output ends of the first hall sensor to the third hall sensor, and is used for converting the input analog current into a digital signal and transmitting the digital signal to the control unit.
The A/D conversion unit converts the analog current collected by the Hall sensor into a digital signal and outputs the digital signal to the MCU.
Furthermore, a plurality of indicator lamps are arranged at the top end of the shell and used for indicating the state of an input external switch signal, and the input ends of the indicator lamps are coupled with the output end of the MCU.
Furthermore, the upper top and the lower top of the shell are respectively provided with a connector, the connector comprises a plurality of wiring terminals, and the wiring terminals are used for connecting external switch signals and connecting control signals output by the control unit with an external actuating mechanism.
The utility model has the advantages that:
1. the closing of the circuit breaker can be controlled by detecting the current value of the energy storage loop, the waveform of the current of the energy storage loop can be detected by the Hall sensor, and the state of the circuit breaker is judged by analyzing the distortion and the variation trend of the waveform.
2. The functions of the circuit breaker monitoring device and the control device are combined, so that the function overlapping is avoided, and the circuit breaker monitoring device is favorable for wiring and batch production.
Drawings
Fig. 1 is a schematic diagram of a novel circuit breaker monitoring device according to an embodiment of the present invention;
fig. 2 is a schematic diagram of the composition and connection relationship of the novel circuit breaker monitoring device according to the embodiment of the present invention;
fig. 3 is the utility model discloses novel circuit breaker monitoring device's wiring schematic diagram.
Detailed Description
In order to facilitate better understanding of the present invention for those skilled in the art, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments, which are given by way of illustration only and thus do not limit the scope of the present invention.
Example 1
Fig. 1 is a schematic diagram of a novel circuit breaker monitoring device, which includes a housing 1 and a circuit module disposed inside the housing 1. As shown in fig. 2, for the utility model discloses circuit breaker monitoring device's constitution and relation of connection sketch map, circuit module include a control unit and one at least and set up the first hall sensor in energy storage circuit, and first hall sensor is arranged in detecting the electric current generation current signal in the energy storage circuit to with current signal output to the control unit's input, the control unit is used for the current signal based on external switch signal and input, output control signal to outside actuating mechanism. MCU and actuating mechanism control unit. The upper end and the lower end of the shell 1 are respectively provided with a connector 2 which is respectively connected with input and output. Each connector includes a plurality of terminals.
As shown in fig. 3, for the utility model discloses circuit breaker monitoring device's wiring relation sketch map, the external switch signal that connector 3 connects inputs circuit breaker separating brake position respectively through 18-36 binding post, circuit breaker closing brake position, the energy storage targets in place, the experimental position of chassis car, chassis car work position, earthing switch separating brake position, earthing switch closing brake position, circuit breaker separating brake instruction, circuit breaker combined floodgate instruction, chassis car shake-out instruction, the instruction is gone into to chassis car, earthing switch separating brake instruction, the tunnel combined floodgate instruction, the instruction resets, circuit breaker interlocking input, chassis car interlocking input, earthing switch interlocking input and signal common terminal. These switching signals include both the state of the detection device and the external command, and are input to the MCU as input signals.
Meanwhile, the first sensor to the third sensor respectively detect the real-time current of the energy storage loop, the real-time current of the closing loop and the real-time current of the opening loop and output the detected current values to the A/D conversion unit, the A/D conversion unit outputs the converted currents to the MCU, the MCU records the input currents and judges the state of the circuit breaker by comparing waveforms and analyzing distortion. And under the condition of judging the fault of the circuit breaker, the MCU can also output switching value as a fault output signal, is connected to external equipment through a connector and informs other equipment of the fault of the circuit breaker. Meanwhile, the MCU outputs a control signal to the indicating lamp, so that the indicating lamp is controlled to indicate the corresponding state of the circuit breaker.
In one embodiment of the present invention, the MCU employs PIC18F67K 22-I/PT.
The MCU analyzes the input switching signal and the current, outputs a corresponding operation command to the execution mechanism control unit, and accordingly controls the external execution mechanism to perform corresponding action, wherein the output operation command is also connected to the external execution mechanism through the connector. The output operation instructions comprise a circuit breaker switching-on and switching-off coil, a handcart driving motor, a grounding switch switching-on and switching-off motor.
The following description is made in detail with reference to specific embodiments of the novel circuit breaker monitoring device of the present invention.
The circuit breaker receives closing instruction, the utility model discloses a novel circuit breaker monitoring device receives circuit breaker closing instruction through the connector, and MCU receives behind the closing instruction, controls closing coil through MCU control actuating mechanism the control unit and obtains the electricity to make the circuit breaker become closing state from separating brake state. At this moment, the circuit breaker closing position is closed, inputs promptly to the utility model discloses a novel circuit breaker monitoring device connector's the input of 20 th pin becomes the high level, and the pilot lamp that corresponds becomes to light. After closing the switch, the energy storage motor automatically gets electricity to start energy storage, the current of the energy storage loop detected by the first Hall sensor is output to the MCU through the A/D conversion unit, and the MCU judges the state of the energy storage loop of the circuit breaker to be normal according to the waveform.
The above description of the embodiments is only intended to help understand the method of the present invention and its core ideas. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (8)
1. The utility model provides a novel circuit breaker control device which characterized in that: the circuit module at least comprises a shell and a circuit module arranged inside the shell, the circuit module at least comprises a control unit and a first Hall sensor arranged in an energy storage loop, the first Hall sensor is used for detecting current in the energy storage loop to generate a current signal and outputting the current signal to the input end of the control unit, and the control unit is used for outputting a control signal to an external execution mechanism based on an external switch signal and the input current signal.
2. The novel circuit breaker monitoring device as claimed in claim 1, wherein the control unit comprises an MCU and an actuator control unit, an input terminal of the MCU is used for coupling an external switch signal and a current signal output by the first hall sensor, and an output terminal of the MCU is coupled to an input terminal of the actuator control unit, so as to control the actuator control unit to output a control signal to an external actuator.
3. The novel circuit breaker monitoring device according to claim 2, further comprising a second hall sensor disposed on the closing loop and a third hall sensor disposed on the opening loop, wherein the second hall sensor and the third hall sensor are respectively configured to detect a closing loop current and an opening loop current, and output the detected closing loop current and opening loop current to the MCU.
4. The novel circuit breaker monitoring device of claim 2, wherein the MCU is a PIC18F67K 22-I/PT.
5. The novel circuit breaker monitoring device of claim 3, wherein the circuit module further comprises an A/D conversion unit, and the input end of the A/D conversion unit is respectively coupled to the output ends of the first Hall sensor to the third Hall sensor, and is used for converting the input analog current into a digital signal to the control unit.
6. The novel circuit breaker monitoring device as claimed in claim 1, wherein the circuit module further comprises a switching value output unit, and an input end of the switching value output unit is used for receiving the fault signal output by the control unit and outputting a switching value signal.
7. The novel circuit breaker monitoring device as claimed in claim 2, wherein a plurality of indicator lights are disposed on the top end of the housing for indicating the status of the input external switch signal, and the input ends of the indicator lights are coupled to the output end of the MCU.
8. The novel circuit breaker monitoring device as claimed in claim 1, wherein a connector is provided at each of the upper and lower top portions of the housing, the connector including a plurality of connection terminals for connecting external switch signals and control signals outputted from the control unit to the external actuator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120588091.0U CN214626505U (en) | 2021-03-23 | 2021-03-23 | Novel circuit breaker monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120588091.0U CN214626505U (en) | 2021-03-23 | 2021-03-23 | Novel circuit breaker monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214626505U true CN214626505U (en) | 2021-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120588091.0U Active CN214626505U (en) | 2021-03-23 | 2021-03-23 | Novel circuit breaker monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214626505U (en) |
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2021
- 2021-03-23 CN CN202120588091.0U patent/CN214626505U/en active Active
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