CN215499419U - Holographic perception intelligent circuit breaker - Google Patents

Abstract

The utility model discloses a holographic sensing intelligent circuit breaker, which comprises a circuit breaker body and a holographic sensing system arranged in the circuit breaker body, wherein the holographic sensing system comprises a sensing unit, a data transmission unit, a data analysis unit, a main control chip and a cloud server, and the sensing unit is used for comprehensively detecting the operation data of the circuit breaker; the data transmission unit is used for transmitting the data acquired by the sensing unit to the data analysis unit in real time; the data analysis unit is used for performing holographic synthesis on the data acquired by the sensing unit and comparing the holographically synthesized data with historical data in a database to obtain a comparison result; and the cloud server is used for receiving the operation data and the comparison result in real time. According to the utility model, the holographic sensing system is arranged, so that the holographic sensing of the operation data of the circuit breaker is realized, the intelligent monitoring of the operation state of the circuit breaker is further realized, the result is reliable, the safety is high, the real-time performance is high, and the manpower and material resources are saved.

Description

Holographic perception intelligent circuit breaker

Technical Field

The utility model relates to the technical field of electrical monitoring, in particular to a holographic sensing intelligent circuit breaker.

Background

With the increase of the service time, certain parts of the circuit breaker can be continuously aged or damaged, such as the abrasion of a mechanical mechanism, the abrasion of a contact, the fault of a secondary opening and closing mechanism, a temperature rise fault, an insulation fault and the like. These problems can cause the circuit breaker to malfunction and even affect the safe operation of the entire grid. Therefore, it is important to periodically check the performance of the circuit breaker and evaluate its operating state. At present, for monitoring the operating state of the circuit breaker, generally adopted measures are mainly routine inspection, periodical preventive live detection or power failure test, and the operating state of the equipment is judged according to the experimental result, so that whether the circuit breaker can continue to operate or not is determined. Although the above measures play a great role in the safe operation of the power system, the circuit breaker cannot be detected comprehensively, and the circuit breaker cannot be overhauled in time according to the operation condition of the circuit breaker. The conventional primary equipment is periodically overhauled and blindly disassembled and disassembled, a large amount of manpower, material resources and financial resources are wasted, the power failure loss is increased, the service life of the primary complete equipment is influenced, the potential equipment hazards are difficult to find and eradicate in time through the periodic overhaul and the live detection, and the requirement for safe and reliable operation of electrical equipment cannot be met. For example, chinese patent grant publication no: CN208092206U discloses a circuit breaker state detection device. The device comprises a power supply module and a state detection module; the state detection module is used for detecting the working state of the circuit breaker and comprises an MCU circuit and a state detection circuit, wherein the MCU circuit obtains the working state information of the circuit breaker according to a circuit breaker state detection signal received by the state detection circuit; the device also comprises a built-in current detection module; the current detection module comprises an ADC module and a micro current transformer which are sequentially connected with the MCU circuit. Although the circuit breaker detection device is simple in structure and convenient to install, can detect the working state of the circuit breaker, and is integrated with a current detection function, the circuit breaker detection device is incomplete in detection, detection data are deviated from real conditions, the judgment result is inaccurate, and equipment or workers are easily damaged.

Disclosure of Invention

The utility model mainly aims to solve the problems of incomplete, inaccurate and untimely detection of a circuit breaker in the prior art, and provides a holographic sensing intelligent circuit breaker.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a holographic sensing intelligent circuit breaker comprises a circuit breaker body and a holographic sensing system arranged in the circuit breaker body, wherein the holographic sensing system comprises a sensing unit, a data transmission unit, a data analysis unit, a main control chip and a cloud server, and the sensing unit is used for comprehensively detecting operation data of the circuit breaker; the data transmission unit is used for transmitting the data acquired by the sensing unit to the data analysis unit in real time; the data analysis unit is used for performing holographic synthesis on the data acquired by the sensing unit and comparing the holographically synthesized data with historical data in a database to obtain a comparison result; the master control chip is used for driving and controlling the holographic sensing system; the cloud server is used for receiving the operation data acquired by the sensing unit and the comparison result output by the data analysis unit in real time. The circuit breaker body comprises a base, a cover plate, an arc extinguishing device and a contact system, wherein the arc extinguishing device and the contact system are arranged inside a shell formed by the base and the cover plate, the arc extinguishing device comprises an arc extinguishing chamber and an arc isolating wall, a holographic sensing system is arranged in the shell formed by the base and the cover plate, the holographic sensing system comprises a sensing unit, a data transmission unit, a data analysis unit, a main control chip and a cloud server, the main control chip is respectively and electrically connected with the sensing unit, the data transmission unit and the data analysis unit, and the sensing unit is used for comprehensively detecting the operation data of the circuit breaker; the data transmission unit is used for transmitting the data acquired by the sensing unit to the data analysis unit in real time; the data analysis unit is used for performing holographic synthesis on the data acquired by the sensing unit and comparing the holographic synthesized data with historical data in a database to obtain a comparison result, wherein the historical data comprises historical operating data of the circuit breaker and a corresponding historical operating state, and the comparison result is the operating state of the circuit breaker to be monitored; the master control chip is used for driving and controlling the holographic sensing system; the cloud server receives the operation data acquired by the sensing unit and the comparison result output by the data analysis unit in real time in a wired or wireless mode, and feeds the operation data and the comparison result back to the remote monitoring terminal. According to the utility model, the comprehensive detection of the operation data of the circuit breaker is realized through the holographic sensing system, so that the real-time monitoring of the operation state of the circuit breaker is realized, the result is reliable, the safety is high, the real-time performance is high, the manpower and material resources are saved, and the equipment or staff damage accidents caused by inaccurate or untimely monitoring are avoided.

Preferably, the sensing unit comprises a temperature and humidity testing module, an insulation characteristic testing module and a mechanical characteristic testing module, and the temperature and humidity testing module, the insulation characteristic testing module and the mechanical characteristic testing module are electrically connected with the data analysis unit through the data transmission unit respectively. The sensing unit is used for comprehensively detecting the operation data of the circuit breaker, and comprises a temperature and humidity testing module for detecting the temperature and humidity of relevant parts in the circuit breaker, an insulation characteristic testing module for detecting the insulation fault condition of the circuit breaker, and a mechanical characteristic testing module for detecting the mechanical characteristic of the circuit breaker.

Preferably, the temperature and humidity testing module comprises a circuit breaker contact temperature and humidity sensor arranged at a circuit breaker contact, a busbar joint temperature and humidity sensor arranged at a busbar joint, and a cable joint temperature and humidity sensor arranged at a cable joint. The temperature and humidity testing module is used for testing the temperature and humidity of the contact position, the bus bar connecting position and the cable connecting position of the circuit breaker, obtaining temperature and humidity data of the position in the circuit breaker by arranging a plurality of temperature and humidity sensors, and participating in subsequent data analysis to obtain the result of the running state of the circuit breaker.

Preferably, the insulation characteristic testing module comprises an ultrahigh frequency sensor, a geoelectric wave sensor and an ultrasonic sensor. According to the utility model, the ultrahigh frequency sensor is used for collecting ultrahigh frequency electric waves, the ground electric waves are collected through the ground electric wave sensor, the ultrasonic wave is collected through the ultrasonic sensor, and the collected data can be used for judging the insulation fault condition of the circuit breaker through data analysis.

Preferably, the mechanical characteristic test module includes an operating coil characteristic test sub-module, a time characteristic test sub-module, a speed characteristic test sub-module, and a stroke characteristic test sub-module. The characteristic test of the operating coil is an important component for detecting the circuit breaker, and in the process of opening and closing operation of the circuit breaker, the linkage performance of an operating mechanism and the current change of the operating coil have a correlative corresponding relation in a map. By analyzing and comparing key points on the current oscillogram of the operating coil, some mechanical faults of the operating mechanism can be accurately detected, and a data basis is provided for judging the operating state of the circuit breaker. In addition, the direct current resistance of the operating coil can be obtained by calculating the nonlinear equation of the current waveform of the operating coil, and the problem that the resistance of the operating coil can be measured without disassembling a panel under the condition that a rectifier bridge and a switching tube exist in a secondary circuit is solved. The time characteristic test records the on-off state of each fracture in the action process of the circuit breaker by acquiring multi-channel high-speed signals, and draws a time hopping waveform. The program automatically calculates various data results which are required in procedures such as switching-on and switching-off time, bouncing time, phase interval different-phase time and the like and can reflect the mechanical performance of the circuit breaker. The speed characteristic test adopts special sensors such as straight line, corner, acceleration to supporting various installing supports and auxiliary assembly, can adapt to the speedtransmitter installation requirement of various circuit breakers, turn into the signal of telecommunication change of sensor with the motion process of circuit breaker moving contact, the visual motion trail picture of high definition is drawn to the high-speed AD converter of rethread high performance, realizes the analysis and the monitoring to the circuit breaker motion process under the control of cursor. The program automatically calculates a series of key data such as opening and closing speed, total stroke, opening stroke, contact stroke, rebound stroke and the like.

Preferably, the comparison result comprises a normal state, an abnormal state and an unknown state, and when the comparison result is the abnormal state, the cloud server sends alarm information to the monitoring terminal and feeds back corresponding test data to the monitoring terminal in real time; and when the comparison result is in an unknown state, the cloud server sends prompt information to the monitoring terminal and feeds back the corresponding test data to the monitoring terminal in real time. The data analysis unit of the utility model performs holographic synthesis on the data acquired by the sensing unit, and compares the holographic synthesized data with historical data in a database to obtain a comparison result, wherein the historical data comprises historical operating data of the circuit breaker and a corresponding historical operating state, and the comparison result is the operating state of the circuit breaker to be monitored, including a normal state, an abnormal state and an unknown state. When the comparison result is in an abnormal state, the cloud server sends alarm information to the monitoring terminal and feeds back corresponding test data to the monitoring terminal in real time; and when the comparison result is in an unknown state, the cloud server sends prompt information to the monitoring terminal and feeds back the corresponding test data to the monitoring terminal in real time. The cloud server receives the comparison result output by the data analysis unit in real time in a wired or wireless mode, and feeds the comparison result back to the remote monitoring terminal, so that the defects that the circuit breaker is poor in detection real-time performance and workers cannot overhaul in time in the prior art are overcome.

Preferably, the time characteristic test submodule records the on-off state of each fracture in the action process of the circuit breaker by acquiring a multi-channel high-speed signal and draws a time jump waveform. The time characteristic test means that on-off states of all fractures in the action process of the circuit breaker are recorded by collecting multi-channel high-speed signals, time hopping waveforms are drawn, then various data results which are required in procedures such as opening and closing time, bouncing time and phase interval different-period time and can reflect the mechanical performance of the circuit breaker are automatically calculated by a program, and a basis is provided for subsequently judging the operation state of the circuit breaker.

Preferably, the speed characteristic test submodule includes a linear sensor, a rotational angle sensor, and an acceleration sensor. The utility model adopts special sensors such as straight line, corner, acceleration and the like, and is matched with various mounting brackets and auxiliary accessories, so that the utility model can adapt to the mounting requirements of speed sensors of various circuit breakers, converts the motion process of a moving contact of the circuit breaker into the electric signal change of the sensors, draws a high-definition visual motion trail diagram through a high-performance high-speed A/D converter, realizes the analysis and monitoring of the motion process of the circuit breaker under the control of a cursor, automatically calculates a series of key data such as opening and closing speed, total stroke, distance opening stroke, contact stroke, rebound stroke and the like by a program, and provides a basis for the subsequent judgment of the operation state of the circuit breaker.

Preferably, the sensing unit further comprises an action counting module for recording the action times of the circuit breaker. The action counting module is used for detecting the action times of the circuit breaker and monitoring the residual service life of the circuit breaker.

Preferably, the main control chip is connected to a local storage, and is configured to store data in the local storage for backup. The utility model stores the data in the local storage for backup to prevent data loss, is used for subsequent research and guides the data after research and sorting into the database.

Therefore, the utility model has the advantages that:

(1) the holographic sensing system is arranged in the circuit breaker body, so that the holographic sensing of the circuit breaker operation data is realized, and the intelligent monitoring of the circuit breaker operation state is further realized;

(2) the real-time performance is high, the hidden danger of the equipment is discovered and eradicated in time, and the requirement of safe and reliable operation of the electrical equipment is met;

(3) manpower and material resources are saved;

(4) the accident of equipment or staff damage caused by inaccurate or untimely monitoring is avoided.

Drawings

Fig. 1 is a schematic structural view of the present invention.

FIG. 2 is a schematic diagram of the holographic sensing system of the present invention.

1. Perception unit 11, humiture test module 12, insulating characteristic test module 13, mechanical characteristic test module 14, action count module 2, data transmission unit 3, data analysis unit 4, high in the clouds server 5, main control chip 6, circuit breaker body 7, holographic perception system.

Detailed Description

The utility model is further described with reference to the following detailed description and accompanying drawings.

As shown in fig. 1 and 2, a holographic sensing intelligent circuit breaker comprises a circuit breaker body 6 and a holographic sensing system 7 arranged in the circuit breaker body 6, wherein the holographic sensing system 7 comprises a sensing unit 1, a data transmission unit 2, a data analysis unit 3, a main control chip 5 and a cloud server 4, and the sensing unit 1 is used for comprehensively detecting operation data of the circuit breaker; the data transmission unit 2 is used for transmitting the data acquired by the sensing unit 1 to the data analysis unit 3 in real time; the data analysis unit 3 is used for performing holographic synthesis on the data acquired by the sensing unit 1 and comparing the holographically synthesized data with historical data in a database to obtain a comparison result; the main control chip 5 is used for driving and controlling the holographic sensing system 7; the cloud server 4 is used for receiving the operation data acquired by the sensing unit 1 and the comparison result output by the data analysis unit 3 in real time. The circuit breaker body 6 comprises a base, a cover plate, an arc extinguishing device and a contact system, wherein the arc extinguishing device and the contact system are arranged inside a shell consisting of the base and the cover plate, the arc extinguishing device comprises an arc extinguishing chamber and an arc isolating wall, a holographic sensing system 7 is arranged inside the shell consisting of the base and the cover plate, the holographic sensing system 7 comprises a sensing unit 1, a data transmission unit 2, a data analysis unit 3, a main control chip 5 and a cloud server 4, the main control chip 5 is respectively and electrically connected with the sensing unit 1, the data transmission unit 2 and the data analysis unit 3, and the sensing unit 1 is used for comprehensively detecting the operating data of the circuit breaker; the data transmission unit 2 is used for transmitting the data acquired by the sensing unit 1 to the data analysis unit 3 in real time; the data analysis unit 3 is used for performing holographic synthesis on the data acquired by the sensing unit 1, and comparing the holographic synthesized data with historical data in a database to obtain a comparison result, wherein the historical data comprises historical operating data of the circuit breaker and a corresponding historical operating state, and the comparison result is the operating state of the circuit breaker to be monitored; the main control chip 5 is used for driving and controlling the holographic sensing system 7; the cloud server 4 receives the operation data acquired by the sensing unit 1 and the comparison result output by the data analysis unit 3 in real time in a wired or wireless mode, and feeds the operation data and the comparison result back to the remote monitoring terminal.

As shown in fig. 1, the sensing unit 1 includes a temperature and humidity testing module 11, an insulation characteristic testing module 12, and a mechanical characteristic testing module 13, wherein the temperature and humidity testing module 11, the insulation characteristic testing module 12, and the mechanical characteristic testing module 13 are electrically connected to the data analyzing unit 3 through the data transmission unit 2. The sensing unit 1 is used for comprehensively detecting the operation data of the circuit breaker, and comprises a temperature and humidity test module 11 for detecting the temperature and humidity of relevant parts in the circuit breaker, an insulation characteristic test module 12 for detecting the insulation fault condition of the circuit breaker, and a mechanical characteristic test module 13 for detecting the mechanical characteristic of the circuit breaker.

The temperature and humidity test module 11 comprises a circuit breaker contact temperature and humidity sensor arranged at a circuit breaker contact, a busbar joint temperature and humidity sensor arranged at a busbar joint, and a cable joint temperature and humidity sensor arranged at a cable joint. The temperature and humidity testing module 11 is used for testing the temperature and humidity of the contact position, the bus bar connecting position and the cable connecting position of the circuit breaker, obtaining temperature and humidity data of the position in the circuit breaker by arranging a plurality of temperature and humidity sensors, and participating in subsequent data analysis to obtain the result of the running state of the circuit breaker.

The insulation characteristic test module 12 includes an ultra high frequency sensor, a ground electric wave sensor, and an ultrasonic sensor. According to the utility model, the ultrahigh frequency sensor is used for collecting ultrahigh frequency electric waves, the ground electric waves are collected through the ground electric wave sensor, the ultrasonic wave is collected through the ultrasonic sensor, and the collected data can be used for judging the insulation fault condition of the circuit breaker through data analysis.

The mechanical characteristic test module 13 includes an operation coil characteristic test sub-module, a time characteristic test sub-module, a speed characteristic test sub-module, and a stroke characteristic test sub-module. The characteristic test of the operating coil is an important component for detecting the circuit breaker, and in the process of opening and closing operation of the circuit breaker, the linkage performance of an operating mechanism and the current change of the operating coil have a correlative corresponding relation in a map. By analyzing and comparing key points on the current oscillogram of the operating coil, some mechanical faults of the operating mechanism can be accurately detected, and a data basis is provided for judging the operating state of the circuit breaker. In addition, the size of the direct current resistance of the operating coil can be obtained through the nonlinear equation calculation of the current waveform of the operating coil, and the problem that the resistance of the operating coil can be measured without disassembling a panel under the condition that a rectifier bridge and a switching tube exist in a secondary circuit is solved. The time characteristic test records the on-off state of each fracture in the action process of the circuit breaker by acquiring multi-channel high-speed signals, and draws a time hopping waveform. The program automatically calculates various data results which are required in procedures such as switching-on and switching-off time, bouncing time, phase interval different-phase time and the like and can reflect the mechanical performance of the circuit breaker. The speed characteristic test adopts special sensors such as straight lines, corners and acceleration, and is matched with various mounting brackets and auxiliary accessories, so that the speed characteristic test can meet the mounting requirements of speed sensors of various circuit breakers. The moving process of a moving contact of the circuit breaker is converted into the electric signal change of the sensor, then a high-performance high-speed A/D converter is used for drawing a high-definition visual motion trail diagram, and the analysis and monitoring of the moving process of the circuit breaker are realized under the control of a cursor. The program automatically calculates a series of key data such as opening and closing speed, total stroke, opening stroke, contact stroke, rebound stroke and the like.

The comparison result comprises a normal state, an abnormal state and an unknown state, and when the comparison result is the abnormal state, the cloud server 4 sends alarm information to the monitoring terminal and feeds back corresponding test data to the monitoring terminal in real time; and when the comparison result is in an unknown state, the cloud server 4 sends prompt information to the monitoring terminal and feeds back the corresponding test data to the monitoring terminal in real time. The data analysis unit 3 of the utility model performs holographic synthesis on the data acquired by the sensing unit 1, and compares the holographically synthesized data with historical data in a database to obtain a comparison result, wherein the historical data comprises historical operating data of the circuit breaker and a corresponding historical operating state, and the comparison result is the operating state of the circuit breaker to be monitored, including a normal state, an abnormal state and an unknown state. When the comparison result is in an abnormal state, the cloud server 4 sends alarm information to the monitoring terminal and feeds back corresponding test data to the monitoring terminal in real time; and when the comparison result is in an unknown state, the cloud server 4 sends prompt information to the monitoring terminal and feeds back the corresponding test data to the monitoring terminal in real time. The cloud server 4 receives the comparison result output by the data analysis unit 3 in real time in a wired or wireless mode, and feeds the comparison result back to the remote monitoring terminal.

The time characteristic testing submodule records the on-off state of each fracture in the action process of the circuit breaker by acquiring a multi-channel high-speed signal and draws a time hopping waveform. The time characteristic test means that on-off states of all fractures in the action process of the circuit breaker are recorded by collecting multi-channel high-speed signals, time hopping waveforms are drawn, then various data results which are required in procedures such as opening and closing time, bouncing time and phase interval different-period time and can reflect the mechanical performance of the circuit breaker are automatically calculated by a program, and a basis is provided for subsequently judging the operation state of the circuit breaker.

The speed characteristic testing submodule comprises a linear sensor, a rotation angle sensor and an acceleration sensor. The utility model adopts special sensors such as straight line, corner, acceleration and the like, and is matched with various mounting brackets and auxiliary accessories, so that the utility model can adapt to the mounting requirements of speed sensors of various circuit breakers, converts the motion process of a moving contact of the circuit breaker into the electric signal change of the sensors, draws a high-definition visual motion trail diagram through a high-performance high-speed A/D converter, realizes the analysis and monitoring of the motion process of the circuit breaker under the control of a cursor, automatically calculates a series of key data such as opening and closing speed, total stroke, distance opening stroke, contact stroke, rebound stroke and the like by a program, and provides a basis for the subsequent judgment of the operation state of the circuit breaker.

As shown in fig. 1, the sensing unit 1 further comprises an action counting module 14 for recording the number of breaker actions. The utility model detects the action times of the circuit breaker through the action counting module 14, and is used for monitoring the residual service life of the circuit breaker.

The main control chip 5 is connected to the local storage, and is used for storing data in the local storage for backup. The utility model stores the data in the local storage for backup to prevent data loss, is used for subsequent research and guides the data after research and sorting into the database.

Claims (10)

1. The holographic sensing intelligent circuit breaker comprises a circuit breaker body (6), and is characterized in that the circuit breaker further comprises a holographic sensing system (7) arranged in the circuit breaker body (6), wherein the holographic sensing system (7) comprises a sensing unit (1), a data transmission unit (2), a data analysis unit (3), a main control chip (5) and a cloud server (4), and the sensing unit (1) is used for comprehensively detecting the operation data of the circuit breaker; the data transmission unit (2) is used for transmitting the data acquired by the sensing unit (1) to the data analysis unit (3) in real time; the data analysis unit (3) is used for performing holographic synthesis on the data acquired by the sensing unit (1) and comparing the holographically synthesized data with historical data in a database to obtain a comparison result; the master control chip (5) is used for driving and controlling the holographic sensing system (7); the cloud server (4) is used for receiving the operation data acquired by the sensing unit (1) and the comparison result output by the data analysis unit (3) in real time.

2. The holographic sensing intelligent circuit breaker according to claim 1, wherein the sensing unit (1) comprises a temperature and humidity testing module (11), an insulation characteristic testing module (12) and a mechanical characteristic testing module (13), and the temperature and humidity testing module (11), the insulation characteristic testing module (12) and the mechanical characteristic testing module (13) are electrically connected with the data analysis unit (3) through the data transmission unit (2), respectively.

3. The holographic sensing intelligent circuit breaker according to claim 2, wherein the temperature and humidity test module (11) comprises a circuit breaker contact temperature and humidity sensor arranged at a circuit breaker contact, a busbar junction temperature and humidity sensor arranged at a busbar junction, and a cable junction temperature and humidity sensor arranged at a cable junction.

4. The holographic sensing smart circuit breaker according to claim 2, wherein the insulation characteristic test module (12) comprises an ultra high frequency sensor for collecting ultra high frequency electric waves, a ground electric wave sensor for collecting ground electric waves and an ultrasonic sensor for collecting ultrasonic waves.

5. Holographic sensing smart circuit breaker according to claim 2, characterized in that said mechanical characteristic test module (13) comprises an operating coil characteristic test sub-module, a time characteristic test sub-module, a speed characteristic test sub-module and a stroke characteristic test sub-module.

6. The holographic sensing intelligent circuit breaker according to claim 1, wherein the comparison result comprises a normal state, an abnormal state and an unknown state, and when the comparison result is the abnormal state, the cloud server (4) sends alarm information to the monitoring terminal and feeds back corresponding test data to the monitoring terminal in real time; and when the comparison result is in an unknown state, the cloud server (4) sends prompt information to the monitoring terminal and feeds back the corresponding test data to the monitoring terminal in real time.

7. The holographic sensing intelligent circuit breaker according to claim 5, wherein the time characteristic testing sub-module records the on-off state of each fracture in the action process of the circuit breaker and draws a time jump waveform by collecting multi-channel high-speed signals.

8. The holographically-aware intelligent circuit breaker as claimed in claim 5, wherein the speed characteristic testing sub-module comprises a linear sensor, a rotation angle sensor and an acceleration sensor.

9. Holographic sensing smart circuit breaker according to claim 1, characterized in that said sensing unit (1) further comprises an action counting module (14) for recording the number of breaker actions.

10. Holographic sensing smart circuit breaker according to claim 1, characterized in that the main control chip (5) is connected to a local storage for storing data in the local storage for backup.

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