CN216434299U - High-voltage circuit breaker on-off arcing time measuring device - Google Patents
High-voltage circuit breaker on-off arcing time measuring device Download PDFInfo
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- CN216434299U CN216434299U CN202122598508.4U CN202122598508U CN216434299U CN 216434299 U CN216434299 U CN 216434299U CN 202122598508 U CN202122598508 U CN 202122598508U CN 216434299 U CN216434299 U CN 216434299U
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Abstract
The utility model relates to a high-voltage circuit breaker on-off arcing time measuring device, which comprises a radio frequency signal sensor measuring device, a main loop current measuring device and a hand-held data collecting and analyzing device; radio frequency signal sensor measuring device includes a radio frequency signal sensor, a radio frequency signal sensor's the outside is connected with a core processor, a bluetooth communication module of core processor outside electricity connection. This high voltage circuit breaker opens and shuts arcing time measuring device, through at high voltage circuit breaker separating brake in-process, when the moving contact moves to and the static contact separates, the arc that opens and shuts just can take place in the sound arc contact clearance, after the arc that opens and shuts takes place, current can increase suddenly in the return circuit, alternating current passes through the conductor, can form alternating electromagnetic field around the conductor, uses a radio frequency signal sensor to catch electromagnetic emission pulse, and a core processor gathers emission pulse signal at a high speed, judges the arc starting moment.
Description
Technical Field
The utility model relates to a measuring device technical field specifically is a high voltage circuit breaker opens and shuts arcing time measuring device.
Background
With the rapid development of national economy, the demand of China on energy, particularly on electric energy, is continuously increased, and the improvement of the operation reliability of electrical equipment by a power system becomes more and more important, because once large-scale electrical equipment in operation fails, local or even whole area power failure is caused, huge economic loss and adverse social influence are caused.
Because the enclosed construction of circuit breaker explosion chamber is difficult to internal state direct observation or measurement, and the circuit breaker daily action is frequent, and the importance is high, and is not low to its daily state monitoring frequency, and the electrified detection device of present switching-on and switching-off arcing time is whole succinctly effective not enough, the operation is convenient enough and whole detection can't satisfy indirect measurement requirement.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a high voltage circuit breaker opens and shuts arcing time measuring device possesses advantages such as convenient operation, has solved the problem that current detection device that opens and shuts arcing time is electrified wholly succinctly effective inadequately, the operation is convenient inadequately and wholly detect and can't satisfy indirect measurement requirement.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: a high-voltage circuit breaker cut-off arcing time measuring device comprises a radio frequency signal sensor measuring device, a main loop current measuring device and a handheld data collecting and analyzing device, and is characterized in that the radio frequency signal sensor measuring device is connected with the main loop current measuring device;
the measuring device of the radio frequency signal sensor comprises a first radio frequency signal sensor, wherein a first core processor is connected to the outer side of the first radio frequency signal sensor, a first Bluetooth communication module is electrically connected to the outer side of the first core processor, and a first synchronous signal processing module is electrically connected to the outer side of the first core processor;
the main loop current measuring device comprises a current signal sensor, a second core processor is installed on the outer side of the current signal sensor, a second Bluetooth communication module is electrically connected to the outer side of the second core processor, and a second synchronous signal processing module is electrically connected to the outer part of the second core processor;
handheld data collection and analytical equipment include No. three bluetooth communication module, No. three bluetooth communication module's the outside is connected with No. three core processors, display module is installed in No. three core processors's the outside.
Furthermore, one side of the first Bluetooth communication module, which is far away from the first core processor, is electrically connected with the third Bluetooth communication module.
Furthermore, No. two bluetooth communication module keep away from No. two sides of core processor and be connected with No. three bluetooth communication module electricity.
Furthermore, the first synchronous signal processing module is electrically connected with the second synchronous signal processing module.
Further, the radio frequency signal sensor measuring device is electrically connected with the main loop current measuring device.
Further, No. two core processors are electrically connected with No. two synchronous signal processing modules, and No. one bluetooth communication module, No. two bluetooth communication modules and No. three bluetooth communication modules are bluetooth 4.0.
Further, the third core processor is used for testing data received by the third Bluetooth communication module.
(III) advantageous effects
Compared with the prior art, the technical scheme of the application has the following beneficial effects:
1. this high voltage circuit breaker opens and shuts arcing time measuring device, through at high voltage circuit breaker separating brake in-process, when the moving contact moves to and the static contact separates, the arc that opens and shuts just can take place in the sound arc contact clearance, after the arc that opens and shuts takes place, current can increase suddenly in the return circuit, alternating current passes through the conductor, can form alternating electromagnetic field around the conductor, uses a radio frequency signal sensor to catch electromagnetic emission pulse, and a core processor gathers emission pulse signal at a high speed, judges the arc starting moment.
2. This high voltage circuit breaker opens and shuts arcing time measuring device, through because the continuation motion of moving contact, along with the continuous increase of opening distance between the sound contact, the gaseous gas of SF6 is blown also more and more strong, and the electric arc is blown out at last when the electric current zero crossing point, gathers main loop current signal through the current signal sensor who installs at CT secondary metering winding or backup winding, and No. two core processors handle current signal, and the recording current is the moment of 0, promptly for separating brake arcing end time, can accomplish the measurement task.
Drawings
Fig. 1 is the test structure diagram of the structure arcing time measuring device of the utility model.
In the figure: the device comprises a radio frequency signal sensor 1, a core processor 2, a Bluetooth communication module 3, a synchronous signal processing module 4, a current signal sensor 5, a core processor 6 II, a Bluetooth communication module 7 II, a synchronous signal processing module 8 II, a Bluetooth communication module 9 III, a core processor 10 III and a display module 11.
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 fig. 1, the device for measuring the arcing time of the high-voltage circuit breaker in the present embodiment includes a radio frequency signal sensor measuring device, a main loop current measuring device, and a handheld data collecting and analyzing device;
the radio frequency signal sensor measuring device comprises a first radio frequency signal sensor 1, a first core processor 2 is fixedly connected to the outer side of the first radio frequency signal sensor 1, a first Bluetooth communication module 3 is electrically connected to the outer side of the first core processor 2, and a first synchronous signal processing module 4 is electrically connected to the outer side of the first core processor 2;
the main loop current measuring device comprises a current signal sensor 5, a second core processor 6 is fixedly installed on the outer side of the current signal sensor 5, a second Bluetooth communication module 7 is electrically connected to the outer side of the second core processor 6, and a second synchronous signal processing module 8 is electrically connected to the outer part of the second core processor 6;
the handheld data collecting and analyzing device comprises a third Bluetooth communication module 9, a third core processor 10 is fixedly connected to the outer side of the third Bluetooth communication module 9, and a display module 11 is fixedly mounted on the outer side of the third core processor 10.
The first radio frequency signal sensor 1 is used for acquiring a high-frequency electromagnetic field generated around an arc extinguish chamber when a breaker is switched on and pre-breakdown occurs; the first core processor 2 is used for processing the data acquired by the first radio frequency signal sensor 1 and various communication instructions; the first Bluetooth communication module 3 is used for transmitting data with the handheld data collecting and analyzing device by using Bluetooth 4.0; the first synchronous signal processing module 4 is used for carrying out time synchronization with the main loop current measuring device by using wireless mode signals, and the current signal sensor 5 is used for collecting the main loop current of the circuit breaker; the second core processor 6 is used for processing the data acquired by the current signal sensor 5 and various communication instructions; the second Bluetooth communication module 7 is used for transmitting data with the handheld data collecting and analyzing device by using Bluetooth 4.0; a second synchronous signal processing module 8 which uses wireless mode signals to carry out time synchronization with the radio frequency signal sensor measuring device, and a third Bluetooth communication module 9 which uses Bluetooth 4.0 to carry out data transmission with the radio frequency signal sensor measuring device and the main loop current measuring device; the third core processor 10 is used for testing data received by the third Bluetooth communication module 9; and the display module 11 is used for displaying the measurement data result.
In addition, in the opening process of the high-voltage circuit breaker, when the moving contact moves to be separated from the fixed contact, the gap between the moving contact and the fixed contact can be subjected to open-close arcing, after the open-close arcing is generated, the current in a loop can be suddenly increased, the alternating current passes through the conductor, an alternating electromagnetic field can be formed around the conductor, the first radio frequency signal sensor 1 is used for capturing electromagnetic emission pulses, and the first core processor 2 is used for collecting emission pulse signals at a high speed and judging the arcing time;
due to the continuous movement of the movable contact, along with the continuous increase of the spacing distance between the movable contact and the fixed contact, the gas blowing of SF6 is stronger and stronger, and the electric arc is blown out at the end when the current crosses zero. Collecting a main loop current signal through a current signal sensor 5 arranged on a CT secondary metering winding or a standby winding, processing the current signal by a second core processor 6, and recording the moment when the current is 0, namely the moment when the brake-separating arcing is finished;
in order to ensure the synchronization of the initial measurement time of the two measurement devices, the radio frequency signal sensor measurement device and the main loop current measurement device have the function of pre-sampling, a first synchronous signal processing module 4 and a second synchronous signal processing module 8 are used, a wireless signal is adopted, the test initial time synchronization between the two measurement devices is carried out, and the synchronization error is less than 10 us.
After the data processing of the first-number core processor 2 of the radio frequency signal sensor measuring device is finished, the first-number Bluetooth communication module 3 and the third-number Bluetooth communication module 9 establish communication, and radio frequency signals are transmitted to the handheld data collecting and analyzing device;
after the data processing of the core processor 6 of the main loop current measuring device II is finished, the Bluetooth communication module II 7 and the Bluetooth communication module III 9 establish communication, and transmit a current signal to the handheld data collecting and analyzing device;
the handheld data collection and analysis device No. three core processor 10 processes and compares the received data, and displays the data on the display module 11.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A high-voltage circuit breaker cut-off arcing time measuring device comprises a radio frequency signal sensor measuring device, a main loop current measuring device and a handheld data collecting and analyzing device, and is characterized in that the radio frequency signal sensor measuring device is connected with the main loop current measuring device;
the radio frequency signal sensor measuring device comprises a first radio frequency signal sensor (1), wherein a first core processor (2) is connected to the outer side of the first radio frequency signal sensor (1), a first Bluetooth communication module (3) is electrically connected to the outer side of the first core processor (2), and a first synchronous signal processing module (4) is electrically connected to the outer side of the first core processor (2);
the main loop current measuring device comprises a current signal sensor (5), a second core processor (6) is installed on the outer side of the current signal sensor (5), a second Bluetooth communication module (7) is electrically connected to the outer side of the second core processor (6), and a second synchronous signal processing module (8) is electrically connected to the outer part of the second core processor (6);
handheld data collection and analytical equipment include No. three bluetooth communication module (9), the outside of No. three bluetooth communication module (9) is connected with No. three core processor (10), display module (11) are installed in the outside of No. three core processor (10).
2. The device for measuring the on-off arcing time of the high-voltage circuit breaker according to claim 1, wherein: one side of the first Bluetooth communication module (3) far away from the first core processor (2) is electrically connected with the third Bluetooth communication module (9).
3. The device for measuring the on-off arcing time of the high-voltage circuit breaker according to claim 1, wherein: and one side of the second Bluetooth communication module (7) far away from the second core processor (6) is electrically connected with the third Bluetooth communication module (9).
4. The device for measuring the on-off arcing time of the high-voltage circuit breaker according to claim 1, wherein: the first synchronous signal processing module (4) is electrically connected with the second synchronous signal processing module (8).
5. The device for measuring the on-off arcing time of the high-voltage circuit breaker according to claim 1, wherein: and the radio frequency signal sensor measuring device is electrically connected with the main loop current measuring device.
6. The device for measuring the on-off arcing time of the high-voltage circuit breaker according to claim 1, wherein: no. two nuclear processor (6) are connected with synchronous signal processing module (8) electricity No. two, No. one bluetooth communication module (3), No. two bluetooth communication module (7) and No. three bluetooth communication module (9) are bluetooth 4.0.
7. The device for measuring the on-off arcing time of the high-voltage circuit breaker according to claim 1, wherein: and the third-number core processor (10) is used for receiving the test data by the third-number Bluetooth communication module (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122598508.4U CN216434299U (en) | 2021-10-27 | 2021-10-27 | High-voltage circuit breaker on-off arcing time measuring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122598508.4U CN216434299U (en) | 2021-10-27 | 2021-10-27 | High-voltage circuit breaker on-off arcing time measuring device |
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| CN216434299U true CN216434299U (en) | 2022-05-03 |
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| CN202122598508.4U Active CN216434299U (en) | 2021-10-27 | 2021-10-27 | High-voltage circuit breaker on-off arcing time measuring device |
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Effective date of registration: 20231123 Address after: 541002 No.15 Shanghai Road, Xiangshan District, Guilin City, Guangxi Zhuang Autonomous Region Patentee after: GUILIN POWER SUPPLY BUREAU OF GUANGXI POWER GRID Co.,Ltd. Address before: 541002 No.15 Shanghai Road, Xiangshan District, Guilin City, Guangxi Zhuang Autonomous Region Patentee before: GUILIN POWER SUPPLY BUREAU OF GUANGXI POWER GRID Co.,Ltd. Patentee before: WUHAN DAYANG YITIAN TECHNOLOGY Co.,Ltd. |