CN209765008U - Circuit breaker monitoring device - Google Patents
Circuit breaker monitoring device Download PDFInfo
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- CN209765008U CN209765008U CN201920006969.8U CN201920006969U CN209765008U CN 209765008 U CN209765008 U CN 209765008U CN 201920006969 U CN201920006969 U CN 201920006969U CN 209765008 U CN209765008 U CN 209765008U
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Abstract
The utility model relates to a circuit breaker monitoring devices, circuit breaker monitoring devices includes: the circuit breaker monitoring system comprises a current sensor, a data acquisition module and a data processing module, wherein the current sensor and the data acquisition module are used for being connected with a circuit breaker respectively, the current sensor and the data processing module are connected with the data acquisition module respectively, and the current information of a switching-off coil and the current information of a switching-on coil of the circuit breaker are acquired by arranging the current sensor, so that the acquisition of the current information can be realized without the power failure operation of the circuit breaker, the detection information of the circuit breaker is acquired by the data acquisition module, and the mechanical information of the circuit breaker is acquired by the data processing module according to the acquired current information and the detection information, so that the monitoring of the circuit breaker is realized.
Description
Technical Field
The utility model relates to a circuit breaker detects technical field, especially relates to circuit breaker monitoring devices.
Background
The circuit breaker is important control and protection equipment in the electric power system, and the operating condition of circuit breaker directly influences the security and the reliability of electric power system, and according to statistics, 60% -70% in the defect or the trouble of circuit breaker is caused by the mechanical fault of circuit breaker, mainly includes: electromagnet faults, mechanism jamming, grease solidification, spring aging, connecting rod transmission shaft fracture, unstable control voltage and the like, so that monitoring of mechanical characteristics of the circuit breaker is particularly important. The traditional method for detecting the mechanical characteristics of the circuit breaker is to cut off the circuit breaker, connect the circuit breaker into a mechanical characteristic tester, test indexes such as the speed of opening and closing the circuit breaker in a plurality of times of no-load by using the mechanical characteristic tester, and then compare the indexes with reference values, thereby realizing the detection of the mechanical characteristics of the circuit breaker, being incapable of really reflecting the mechanical characteristics of the circuit breaker in normal working, influencing the accuracy of the detection, and causing the problem of high detection cost because more manpower and expenditure are required for the detection of the circuit breaker power failure.
SUMMERY OF THE UTILITY MODEL
Based on this, it is necessary to provide a circuit breaker monitoring device.
A circuit breaker monitoring device comprising: the circuit breaker comprises a current sensor, a data acquisition module and a data processing module, wherein the current sensor and the data acquisition module are respectively connected with a circuit breaker, and the current sensor and the data processing module are respectively connected with the data acquisition module.
In one embodiment, the current sensor is configured to be disposed at a dc control bus of the circuit breaker.
In one embodiment, the current sensor is a hall current sensor.
In one embodiment, the circuit breaker monitoring device further comprises a data configuration module, and the data configuration module is connected with the data acquisition module.
In one embodiment, the circuit breaker monitoring device further comprises a monitoring module and an alarm module, wherein the monitoring module is connected with the data processing module, and the monitoring module is connected with the alarm module.
In one embodiment, the circuit breaker monitoring device further comprises a communication module, and the communication module is connected with the monitoring module.
in one embodiment, the circuit breaker monitoring device further comprises a battery module, and the battery module is connected with the data processing module.
In one embodiment, the circuit breaker monitoring device further comprises a display module, and the display module is connected with the data processing module.
In one embodiment, the data acquisition module includes a first data acquisition submodule and a second data acquisition submodule, the first data acquisition submodule and the second data acquisition submodule are respectively connected to the current sensor, the first data acquisition module and the second data acquisition module are respectively connected to the circuit breaker, and the first data acquisition submodule and the second data acquisition submodule are further respectively connected to the data processing module.
In one embodiment, the data processing module includes a first data processing sub-module, a second data processing sub-module, and a centralized data processing sub-module, the first data processing sub-module is connected to the first data acquisition sub-module, the first data processing sub-module is further connected to the centralized data processing sub-module, the second data processing sub-module is connected to the second data acquisition sub-module, and the second data processing sub-module is further connected to the centralized data processing sub-module.
Foretell circuit breaker monitoring devices, because the most mechanical characteristics of circuit breaker can be directly embodied by the current waveform of the separating brake coil of circuit breaker and the wave form of the closing coil of circuit breaker, through setting up current sensor, gather the current information of the separating brake coil of circuit breaker and the current information of closing coil, thereby need not to have a power failure to the circuit breaker operation, can realize the collection of current information, and the detection information of circuit breaker is gathered to the data acquisition module, the mechanical information of circuit breaker is acquireed to the data processing module according to the current information and the detection information of gathering, thereby realize the circuit breaker monitoring.
Drawings
FIG. 1 is a block diagram of a circuit breaker monitoring device according to one embodiment;
Fig. 2 is a block diagram showing the structure of a circuit breaker monitoring device in another embodiment;
Fig. 3 is a block diagram of a circuit breaker monitoring device in yet another embodiment;
FIG. 4 is a schematic diagram of a support assembly in one embodiment.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
for example, there is provided a circuit breaker monitoring device comprising: the circuit breaker comprises a current sensor, a data acquisition module and a data processing module, wherein the current sensor and the data acquisition module are respectively connected with a circuit breaker, and the current sensor and the data processing module are respectively connected with the data acquisition module.
Foretell circuit breaker monitoring devices, because the most mechanical characteristics of circuit breaker can be directly embodied by the current waveform of the separating brake coil of circuit breaker and the wave form of the closing coil of circuit breaker, through setting up current sensor, gather the current information of the separating brake coil of circuit breaker and the current information of closing coil, thereby need not to have a power failure to the circuit breaker operation, can realize the collection of current information, and the detection information of circuit breaker is gathered to the data acquisition module, the mechanical information of circuit breaker is acquireed to the data processing module according to the current information and the detection information of gathering, thereby realize the circuit breaker monitoring.
In one embodiment, referring to fig. 1, a circuit breaker monitoring device 10 includes: the circuit breaker comprises a current sensor 100, a data acquisition module 200 and a data processing module 300, wherein the current sensor 100 and the data acquisition module 200 are respectively connected with a circuit breaker, and the current sensor 100 and the data processing module 300 are respectively connected with the data acquisition module 200.
In one embodiment, the current sensor is used for connecting a circuit breaker, i.e. the current sensor is coupled to the circuit breaker.
Specifically, the current sensor is used for detecting current information of a closing coil of the circuit breaker and current information of an opening coil of the circuit breaker, and the current sensor is used for detecting current information of the closing coil and current information of the opening coil of the circuit breaker, namely, the current sensor is used for detecting current information of the closing coil of the circuit breaker in a closing operation process of the circuit breaker and current information of the opening coil of the circuit breaker in an opening operation process of the circuit breaker.
The data acquisition module is used for receiving the current information of the circuit breaker acquired by the current sensor, acquiring the detection information of the circuit breaker and transmitting the current information and the detection information to the data processing module, so that the monitoring of the circuit breaker is realized. Specifically, the data acquisition module is used for acquiring current information of a closing coil and current information of an opening coil of the circuit breaker, which are detected by the current sensor, acquiring detection information of the circuit breaker, and sending the current information of the closing coil, the current information of the opening coil and the detection information of the circuit breaker to the data processing module. In one embodiment, the data acquisition module employs a PCL-818HD data acquisition card.
In this embodiment, the data processing module is a processing chip with processing capability, and for example, the data processing module includes a single chip microcomputer.
The data processing module is used for acquiring mechanical information of the circuit breaker according to current information of a closing coil, current information of an opening coil and detection information of the circuit breaker. In one embodiment, the data processing module is configured to calculate and obtain mechanical information of the circuit breaker through an algorithm according to the collected current information of the closing coil, the current information of the opening coil, and the detection information of the circuit breaker, where the algorithm includes: and algorithms such as a comparison algorithm, a fuzzy algorithm, a neural network algorithm, a support vector machine algorithm and the like are adopted, so that the circuit breaker monitoring is realized.
In one embodiment, the data processing module is configured to calculate and obtain mechanical information of the circuit breaker according to current information of a closing coil, current information of an opening coil, and detection information of the circuit breaker based on a comparison algorithm.
In one embodiment, the data processing module is configured to calculate and obtain mechanical information of the circuit breaker according to current information of a closing coil, current information of an opening coil, and detection information of the circuit breaker based on a fuzzy algorithm.
In one embodiment, the data processing module is configured to calculate and obtain mechanical information of the circuit breaker according to current information of a closing coil, current information of an opening coil, and detection information of the circuit breaker based on a neural network algorithm.
In one embodiment, the data processing module is configured to calculate and obtain mechanical information of the circuit breaker according to current information of a closing coil, current information of an opening coil, and detection information of the circuit breaker based on a support vector machine algorithm. In this embodiment, the circuit breaker is a high-voltage circuit breaker.
In this embodiment, the circuit breaker is a high-voltage circuit breaker.
Foretell circuit breaker monitoring devices, because the most mechanical characteristics of circuit breaker can be directly embodied by the current waveform of the separating brake coil of circuit breaker and the wave form of the closing coil of circuit breaker, through setting up current sensor, gather the current information of the separating brake coil of circuit breaker and the current information of closing coil, thereby need not to have a power failure to the circuit breaker operation, can realize the collection of current information, and the detection information of circuit breaker is gathered to the data acquisition module, the mechanical information of circuit breaker is acquireed to the data processing module according to the current information and the detection information of gathering, thereby realize the circuit breaker monitoring.
In order to facilitate the current sensor to measure the current information of the closing coil and the current information of the opening coil, in one embodiment, the current sensor is used for being arranged at a direct current control bus of the circuit breaker. It should be mentioned that, the current sensor be used for set up in the control bus of circuit breaker, promptly the current sensor is used for the cover to be located the control bus of circuit breaker, specifically, the control bus is the circuit that circuit breaker and control power are connected, and control power refers to the power that provides the separating brake or close a floodgate for the circuit breaker, and control power is provided by the direct current screen, and the control bus is the control power supply circuit that the direct current screen is connected to the control screen of circuit breaker promptly. The current sensor is arranged at the control bus of the circuit breaker, so that the current sensor can measure and obtain the current information of the closing coil of the circuit breaker by measuring the current information of the control bus when the circuit breaker is in closing operation, namely the current information of the closing coil when the circuit breaker is in closing operation, the current sensor can measure and obtain the current information of the opening coil of the circuit breaker by measuring the current information of the control bus when the circuit breaker is in opening operation, namely the current information of the opening coil of the circuit breaker can be measured by only arranging one current sensor, the current information of the opening coil and the current information of the closing coil of the circuit breaker can be measured without arranging current sensors at the opening coil and the closing coil of the circuit breaker, thereby reducing the detection cost, or the current sensor is not required to be respectively arranged at the closing coil or the opening coil, therefore, the current information of the closing coil and the current information of the opening coil can be conveniently measured by a user.
In order to sleeve the current sensor on the control bus of the circuit breaker, in one embodiment, the current sensor comprises a sensor body and a detection coil electrically connected with the sensor body, and the detection coil is sleeved on the control bus of the circuit breaker, so that the current sensor can be sleeved on the control bus and detect the current flowing through the control bus. In order to avoid the conduction between the control bus and the detection coil, in one embodiment, a protection ring is sleeved outside the detection coil, the protection ring is made of an insulating material, and in one embodiment, the protection ring is made of rubber. The detection coil is coated by the protection ring, so that the detection coil is isolated from the outside, and the control bus is prevented from being conducted with the detection coil.
In order to improve the accuracy of the current sensor for measuring the current information of the closing coil and the current information of the opening coil, in one embodiment, the current sensor is a hall current sensor. Specifically, the Hall current sensor is based on a magnetic balance type Hall principle, the current corresponding to the conductor is indirectly measured by measuring the Hall potential, and the Hall current sensor has the characteristics of high precision and good linearity, is not contacted with a measured circuit and does not influence the measured circuit, namely the Hall current sensor does not influence a closing coil and an opening coil, so that the current information of the closing coil and the current information of the opening coil can be accurately measured by arranging the Hall current sensor.
In order to better realize the collection of the detection information by the data collection module, in one embodiment, please refer to fig. 2, the circuit breaker monitoring apparatus 10 further includes a data configuration module 400, and the data configuration module 400 is connected to the data collection module 200. Specifically, the data configuration module is used for configuring acquisition parameters of the data acquisition module, in one embodiment, the data configuration module is used for configuring sampling frequency and sampling time parameters of the data acquisition module, and in one embodiment, the data configuration module is used for configuring the acquisition parameters of the data acquisition module before the data acquisition module acquires mechanical information of a circuit breaker, current information of a closing coil of the circuit breaker is measured by a current sensor and current information of an opening coil of the circuit breaker, so that a user can acquire detection information of the circuit breaker according to requirements, data acquired by the data acquisition module is pointed, and acquisition of the detection information by the data acquisition module is better achieved.
In order to monitor whether the data processing module operates normally, in one embodiment, referring to fig. 2, the circuit breaker monitoring apparatus 10 further includes a monitoring module 600 and an alarm module 700, wherein the monitoring module 600 is connected to the data processing module 700, and the monitoring module 600 is connected to the alarm module 700. The monitoring module is used for monitoring whether the data processing module operates normally, if the data processing module does not operate, an alarm signal is generated and sent to the alarm module, and when the alarm module receives the alarm signal, an alarm prompt is sent out. Specifically, the monitoring module is used for detecting whether the power supply of the data processing module is normal or not, and generating an alarm signal when the power supply of the data processing module is abnormal.
In order to facilitate users to know that the circuit breaker monitoring device has a fault, in one embodiment, referring to fig. 2, the circuit breaker monitoring device 10 further includes a communication module 810, and the communication module 810 is connected to the monitoring module 600. Specifically, when the monitoring module detects that the data processing module breaks down, the monitoring module generates a control signal and sends the control signal to the communication module, and the communication module receives the control signal and sends abnormal information to the mobile terminal of the user, so that the user can know that the circuit breaker monitoring device breaks down.
In an embodiment, the communication module is a wireless communication module, an embodiment is that the wireless communication module is a GPRS (General Packet Radio Service) module, an embodiment is that the wireless communication module is a WCDMA (Wideband Code Division Multiple Access) module, and an embodiment is that the wireless communication module is a 4G module, and by setting the wireless communication module, information such as abnormal information can be conveniently sent to the mobile terminal.
In order to prevent the data processing module from being unable to operate due to power loss, in one embodiment, referring to fig. 2, the circuit breaker monitoring device 10 further includes a battery module 800, and the battery module 800 is connected to the data processing module 300. Through setting up battery module, when data processing module loses the electricity, for data processing module power supply to play the effect of emergent power supply, thereby prevent that data processing module from leading to the monitoring data to lose because of losing the unable normal operating of electricity, it is further, can prevent that data processing module from leading to the loss of monitoring data because of losing the electricity.
In order to facilitate the user to view the monitoring result of the circuit breaker, in one embodiment, referring to fig. 2, the circuit breaker monitoring apparatus 10 further includes a display module 500, and the display module 500 is connected to the data processing module 300. The data processing module sends the monitoring result to the display module, and the display module is used for displaying the monitoring result of circuit breaker, like this, through setting up the display module to be convenient for the user to look over the monitoring result of circuit breaker.
In order to implement the dual monitoring of the circuit breaker, in one embodiment, please refer to fig. 3, the data acquisition module includes a first data acquisition submodule 210 and a second data acquisition submodule 220, the first data acquisition submodule 210 and the second data acquisition submodule 220 are respectively connected to the current sensor 100, the first data acquisition submodule 210 and the second data acquisition submodule 220 are respectively connected to the circuit breaker, and the first data acquisition submodule 210 and the second data acquisition submodule 220 are further respectively connected to the data processing module 300. Specifically, the first data acquisition submodule is used for acquiring detection information of the circuit breaker for the first time, and the second data acquisition submodule is used for acquiring detection information of the circuit breaker for the second time. The data processing module respectively processes the detection information acquired by the first data acquisition submodule and the detection information acquired by the second data acquisition submodule, so that the dual monitoring of the circuit breaker is realized.
In order to improve the monitoring accuracy, in one embodiment, please refer to fig. 3, the data processing module 300 includes a first data processing sub-module 310, a second data processing sub-module 320, and a centralized data processing sub-module 330, the first data processing sub-module 310 is connected to the first data collecting sub-module 210, the first data processing sub-module 310 is further connected to the centralized data processing sub-module 330, the second data processing sub-module 320 is connected to the second data collecting sub-module 220, and the second data processing sub-module 320 is further connected to the centralized data processing sub-module 330. Specifically, the first data processing sub-module is configured to receive detection information acquired by the first data acquisition sub-module, and processing the detection information collected by the first data collection submodule, wherein the second data processing submodule is used for receiving the detection information collected by the second data collection submodule, and processing the detection information acquired by the second data acquisition submodule, wherein the centralized processing submodule is used for detecting whether the monitoring results of the two sets of data acquisition submodules and the data processing submodule are consistent or not, when the detection results are consistent, the monitoring results are output, so that by arranging two sets of data acquisition sub-modules and two sets of data processing sub-modules, the condition that one data processing submodule or one data acquisition submodule breaks down to cause large or inaccurate monitoring result errors can be prevented, and the monitoring accuracy of the monitoring system is improved.
In order to better fix and support the current sensor, in one embodiment, referring to fig. 4, the circuit breaker monitoring apparatus further includes a support assembly 900, the support assembly 900 includes a support base 930, a connection rod 920 and a support portion 910, the support base 930 is fixedly connected to one end of the connection rod 920, the other end of the connection rod 920 is fixedly connected to the support portion 910, and the support portion 910 is fixedly connected to the current sensor. In one embodiment, the supporting base is integrally formed with the first end of the connecting rod, and the supporting portion is integrally formed with the other end of the connecting rod, so that the supporting portion can better fix and support the current sensor. Like this, current sensor fixes on the supporting component to through detecting coil cover in the control generating line department of circuit breaker, and then make current sensor can fix firmly, avoided current sensor's skew, and then realize the stable detection to the circuit breaker.
In one embodiment, the connecting rods are arranged in an L shape.
In one embodiment, the connecting rod is cylindrical.
In order to better fixedly connect the current sensor and the supporting portion, in one embodiment, referring to fig. 4, the circuit breaker monitoring device further includes a plurality of threaded fasteners, the supporting portion has a plurality of mounting holes 940, the current sensor is provided with fixing holes, each threaded fastener penetrates through one of the fixing holes and a corresponding one of the mounting holes 940, and each threaded fastener is in threaded connection with a side wall of the corresponding fixing hole and a side wall of the mounting hole. It should be mentioned that the current sensor is provided with a plurality of fixing holes, and each fixing hole is in one-to-one correspondence with each mounting hole, so that the supporting part is fixedly connected with the current sensor in a screw connection mode, and the current sensor is fixedly connected with the supporting part better.
In order to better achieve the insulation between the current sensor and the support, avoiding the support from affecting the current sensor measurement, in one embodiment the surface of the support is provided with an insulating layer. In one embodiment, the insulating layer is a rubber layer, that is, the insulating layer is made of rubber, and the insulating layer is arranged on the surface of the supporting portion, so that the supporting portion and the current sensor can be effectively isolated, and the supporting portion is prevented from influencing the measurement of the current sensor.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A circuit breaker monitoring device, comprising: the circuit breaker comprises a current sensor, a data acquisition module and a data processing module, wherein the current sensor and the data acquisition module are respectively connected with a circuit breaker, and the current sensor and the data processing module are respectively connected with the data acquisition module.
2. The circuit breaker monitoring device of claim 1, wherein the current sensor is configured to be disposed at a dc control bus of the circuit breaker.
3. The circuit breaker monitoring device of claim 1 or 2, wherein the current sensor is a hall current sensor.
4. The circuit breaker monitoring device of claim 1, further comprising a data configuration module coupled to the data acquisition module.
5. The circuit breaker monitoring device of claim 1, further comprising a monitoring module and an alarm module, wherein the monitoring module is connected with the data processing module, and the monitoring module is connected with the alarm module.
6. The circuit breaker monitoring device of claim 5, further comprising a communication module coupled to the monitoring module.
7. The circuit breaker monitoring device of claim 1, further comprising a battery module coupled to the data processing module.
8. The circuit breaker monitoring device of claim 1, further comprising a display module coupled to the data processing module.
9. The circuit breaker monitoring device of claim 1, wherein the data acquisition module comprises a first data acquisition submodule and a second data acquisition submodule, the first data acquisition submodule and the second data acquisition submodule are respectively connected with the current sensor, the first data acquisition submodule and the second data acquisition submodule are respectively used for connecting the circuit breaker, and the first data acquisition submodule and the second data acquisition submodule are also respectively connected with the data processing module.
10. The circuit breaker monitoring device of claim 9, wherein the data processing module includes a first data processing sub-module, a second data processing sub-module, and a centralized data processing sub-module, the first data processing sub-module is connected to the first data acquisition sub-module, the first data processing sub-module is further connected to the centralized data processing sub-module, the second data processing sub-module is connected to the second data acquisition sub-module, and the second data processing sub-module is further connected to the centralized data processing sub-module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920006969.8U CN209765008U (en) | 2019-01-03 | 2019-01-03 | Circuit breaker monitoring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920006969.8U CN209765008U (en) | 2019-01-03 | 2019-01-03 | Circuit breaker monitoring device |
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| Publication Number | Publication Date |
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| CN209765008U true CN209765008U (en) | 2019-12-10 |
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| CN201920006969.8U Active CN209765008U (en) | 2019-01-03 | 2019-01-03 | Circuit breaker monitoring device |
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Effective date of registration: 20200925 Address after: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No. Patentee after: Guangzhou Power Supply Bureau of Guangdong Power Grid Co.,Ltd. Address before: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No. Patentee before: GUANGZHOU POWER SUPPLY Co.,Ltd. |