CN202614893U - High-tension switch cabinet partial discharge detection and location system - Google Patents
High-tension switch cabinet partial discharge detection and location system Download PDFInfo
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- CN202614893U CN202614893U CN 201220271145 CN201220271145U CN202614893U CN 202614893 U CN202614893 U CN 202614893U CN 201220271145 CN201220271145 CN 201220271145 CN 201220271145 U CN201220271145 U CN 201220271145U CN 202614893 U CN202614893 U CN 202614893U
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- switch cabinet
- partial discharge
- tension switch
- electric wave
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Abstract
The utility model discloses a high-tension switch cabinet partial discharge detection and location system in the technical field of electric safety. The high-tension switch cabinet partial discharge detection and location system comprises an ultrasonic wave sensor, a transient ground electric wave sensor, a signal processing and collecting module and a panel computer. The signal processing and collecting module comprises a transient ground electric wave signal detector amplifier, an ultrasonic wave signal filter amplifier, a universal serial bus (USB) data collecting card and a rechargeable battery, wherein the ultrasonic wave signal filter amplifier is respectively connected with the rechargeable battery, the ultrasonic wave sensor and the USB data collecting card, the transient ground electric wave signal detector amplifier is respectively connected with the rechargeable battery, and the transient ground electric wave sensor and the USB data collecting card. The high-tension switch cabinet partial discharge detection and location system can effectively improve the detection accuracy of high-tension switch cabinet partial discharge and locate the position of the high-tension switch cabinet partial discharge.
Description
Technical field
The utility model belongs to the electrical safety technical field, relates in particular to a kind of high-tension switch cabinet Partial Discharge Detection positioning system.
Background technology
High-tension switch cabinet is a very important electrical equipment in the electric system, and 10kV, 35kV metal enclosed switch set of equipments have been widely used in each transformer station in the electric system at present.High-tension switch cabinet is in operation because partial discharge phenomenon can take place insulation degradation, and this discharge constantly spreads and develop, can cause the damage of insulation, if develop as one pleases then can cause insulation to lose dielectric properties and cause the accident.
The measuring ability of present high-tension switch cabinet partial discharge detecting system is single, have based on transient state earth potential method, have based on ultrahigh frequency; Have based on ultrasonic method, detection method is single, detection accuracy is not high; Like transient state earth potential method, need office's amplification of a plurality of switch cubicles of detection little, through comparing; Could confirm roughly that office puts the switch cubicle at place, and also there is the not strong problem of antijamming capability in the ultrahigh frequency method, can't accurately confirm the switch cubicle position of innings putting the place; The ultrasonic method accuracy is than higher, and antijamming capability is stronger, but can't realize positioning function.
Characteristics of Partial Discharge through detection accident electrical equipment in latent period positions point of discharge, in time it is handled, and effectively prevents the high-tension switch cabinet electrical equipment malfunction, prevents trouble before it happens.
Summary of the invention
To the high-tension switch cabinet partial discharge detecting system of the present use of describing in the top technical background, the deficiency aspect detection method, detection efficiency and location the utility model provides a kind of high-tension switch cabinet Partial Discharge Detection positioning system.
The technical scheme of the utility model is, a kind of high-tension switch cabinet Partial Discharge Detection positioning system is characterized in that, said system comprises ultrasonic sensor, transient state ground electric wave sensor, signal Processing acquisition module and panel computer; Said signal Processing acquisition module comprises transient state ground electric wave signal detector amplefier, ultrasonic signal filter amplifier, usb data capture card and rechargeable battery;
Wherein, said ultrasonic signal filter amplifier is connected with said rechargeable battery, ultrasonic sensor and usb data capture card respectively;
Said transient state ground electric wave signal detector amplefier is connected with the usb data capture card with said rechargeable battery, transient state ground electric wave sensor respectively;
Said rechargeable battery is connected with battery management module with said ultrasonic signal filter amplifier, transient state ground electric wave signal detector amplefier respectively;
Said usb data capture card is connected with panel computer with said ultrasonic signal filter amplifier, transient state ground electric wave signal detector amplefier respectively.
Said signal Processing acquisition module also comprises battery management module; Be connected with said rechargeable battery.
What said usb data capture card adopted is the multi-channel synchronous data acquisition card.
What said ultrasonic sensor adopted is air transmitted formula sensor.
Said usb data capture card is connected through USB interface with said panel computer.
The effect of the utility model is, through ultrasonic sensor and transient state ground electric wave sensor the high-tension switch cabinet part is put and a little carries out joint-detection and location, improves the accuracy of testing result, avoids because external interference causes erroneous judgement.
Description of drawings
Fig. 1 is the structural drawing of a kind of high-tension switch cabinet Partial Discharge Detection positioning system of providing of the utility model;
Fig. 2 is the positioning flow figure of a kind of high-tension switch cabinet Partial Discharge Detection positioning system of providing of the utility model;
Fig. 3 is the synoptic diagram that the space length between source and the ultrasonic sensor is put in survey bureau that the utility model embodiment provides.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment is elaborated.Should be emphasized that following explanation only is exemplary, rather than scope and application thereof in order to limit the utility model.
Fig. 1 is the structural drawing of a kind of high-tension switch cabinet Partial Discharge Detection positioning system of providing of the utility model.Among Fig. 1, a kind of high-tension switch cabinet Partial Discharge Detection positioning system comprises ultrasonic sensor, transient state ground electric wave sensor, signal Processing acquisition module and panel computer; Said signal Processing acquisition module comprises transient state ground electric wave signal detector amplefier, ultrasonic signal filter amplifier, usb data capture card, rechargeable battery and battery management module.
Said ultrasonic signal filter amplifier is connected with the usb data capture card with said ultrasonic sensor respectively, is used for the detected ultrasonic signal of ultrasonic sensor is carried out filtering and amplification, is convenient to the usb data capture card signal after handling is gathered.
Said transient state ground electric wave signal detector amplefier is connected with the usb data capture card with said transient state ground electric wave sensor respectively; Realize the detection and the amplification of high-frequency signal; High-frequency signal is become low frequency signal, and realize that signal amplifies, be convenient to the usb data capture card signal after handling is gathered.
Said usb data capture card is connected with panel computer with said ultrasonic signal filter amplifier, transient state ground electric wave signal detector amplefier respectively, is used for multi-channel synchronous data acquisition and transmission.
Said rechargeable battery is connected with the ultrasonic signal filter amplifier with said battery management module, transient state ground electric wave signal detector amplefier, is used for power supply to signal Processing and acquisition module being provided, and guarantees the detection system power supply.
Fig. 2 is the positioning flow figure of a kind of high-tension switch cabinet Partial Discharge Detection positioning system of providing of the utility model.Specifically may further comprise the steps:
Step 201: carry out input through ultrasonic sensor and transient state ground electric wave sensor, obtain ultrasonic signal and transient state ground electric wave signal;
Step 202: respectively the ultrasonic signal and the transient state ground electric wave signal that are received are handled through ultrasonic signal filter amplifier and transient state ground electric wave signal detector amplefier;
Step 203: adopt the multi-channel synchronous data acquisition card that transient state ground electric wave signal and ultrasonic signal are gathered and stored;
Step 204: choose transient state ground electric wave time domain waveform and ultrasound wave time domain waveform, send to panel computer through the usb data capture card;
Step 205: with transient state ground electric wave signal is time reference; Utilize time domain waveform; Confirm the propagation delay time of transient state ground electric wave signal and ultrasonic signal, combine the aerial velocity of propagation of ultrasound wave again, the space length between source and the ultrasonic sensor is put in definite office.
Fig. 3 is the synoptic diagram that the space length between source and the ultrasonic sensor is put in survey bureau that the utility model embodiment provides.Among Fig. 3, t
0The moment of generation, t are put in expression office
1The expression sonac receives the moment of signal, and Δ t is the ultrasound-transmissive time delay.Because electromagnetic wave is similar to light velocity propagation in air; Therefore with respect to ultrasonic signal; Can think that the moment office of being that receives transient state ground electric wave signal puts the moment of generation, then with transient state ground electric wave signal as time reference, through transient state relatively electric wave signal and ultrasonic signal; Obtain hyperacoustic propagation delay time; Again according to the aerial velocity of propagation of ultrasound wave get final product the out space length of putting between source and the ultrasonic sensor, thereby confirm that the office source of putting is to be the center with the ultrasonic sensor, the space length of putting between source and the sensor with the office that obtains is on the circumference of radius.
The utility model aims to provide a kind of high-tension switch cabinet Partial Discharge Detection positioning system, and this system can effectively improve the accuracy of high-tension switch cabinet Partial Discharge Detection, and can position it.
The above embodiment; Be merely the preferable embodiment of the utility model; But the protection domain of the utility model is not limited thereto; Any technician who is familiar with the present technique field is in the technical scope that the utility model discloses, and the conversion that can expect easily or replacement all should be encompassed within the protection domain of the utility model.Therefore, the protection domain of the utility model should be as the criterion with the protection domain of claim.
Claims (5)
1. a high-tension switch cabinet Partial Discharge Detection positioning system is characterized in that, said system comprises ultrasonic sensor, transient state ground electric wave sensor, signal Processing acquisition module and panel computer; Said signal Processing acquisition module comprises transient state ground electric wave signal detector amplefier, ultrasonic signal filter amplifier, usb data capture card and rechargeable battery;
Wherein, said ultrasonic signal filter amplifier is connected with said rechargeable battery, ultrasonic sensor and usb data capture card respectively;
Said transient state ground electric wave signal detector amplefier is connected with the usb data capture card with said rechargeable battery, transient state ground electric wave sensor respectively;
Said rechargeable battery is connected with transient state ground electric wave signal detector amplefier with said ultrasonic signal filter amplifier respectively;
Said usb data capture card is connected with panel computer with said ultrasonic signal filter amplifier, transient state ground electric wave signal detector amplefier respectively.
2. a kind of high-tension switch cabinet Partial Discharge Detection positioning system according to claim 1 is characterized in that said signal Processing acquisition module also comprises power management module; Be connected with said rechargeable battery.
3. a kind of high-tension switch cabinet Partial Discharge Detection positioning system according to claim 1 and 2 is characterized in that, what said ultrasonic sensor adopted is air transmitted formula sensor.
4. a kind of high-tension switch cabinet Partial Discharge Detection positioning system according to claim 1 and 2 is characterized in that, what said usb data capture card adopted is the multi-channel synchronous data acquisition card.
5. a kind of high-tension switch cabinet Partial Discharge Detection positioning system according to claim 1 and 2 is characterized in that, said usb data capture card is connected with panel computer through USB interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220271145 CN202614893U (en) | 2012-06-08 | 2012-06-08 | High-tension switch cabinet partial discharge detection and location system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220271145 CN202614893U (en) | 2012-06-08 | 2012-06-08 | High-tension switch cabinet partial discharge detection and location system |
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| Publication Number | Publication Date |
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| CN202614893U true CN202614893U (en) | 2012-12-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220271145 Expired - Fee Related CN202614893U (en) | 2012-06-08 | 2012-06-08 | High-tension switch cabinet partial discharge detection and location system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104375067A (en) * | 2014-11-18 | 2015-02-25 | 深圳供电局有限公司 | Partial discharge detection device and method of switchgear cubicle for loop network |
| CN106291149A (en) * | 2015-05-22 | 2017-01-04 | 中国电力科学研究院 | A kind of live detection method of 10kV switch cubicle |
| CN109782143A (en) * | 2019-03-29 | 2019-05-21 | 云南电网有限责任公司电力科学研究院 | A kind of ground electric wave multiband partial discharges fault diagnostic method |
| CN110160672A (en) * | 2019-06-20 | 2019-08-23 | 上海格鲁布科技有限公司 | A kind of detection device of integrated RFID thermometric, transient earth voltage and ultrasound examination |
-
2012
- 2012-06-08 CN CN 201220271145 patent/CN202614893U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104375067A (en) * | 2014-11-18 | 2015-02-25 | 深圳供电局有限公司 | Partial discharge detection device and method of switchgear cubicle for loop network |
| CN106291149A (en) * | 2015-05-22 | 2017-01-04 | 中国电力科学研究院 | A kind of live detection method of 10kV switch cubicle |
| CN109782143A (en) * | 2019-03-29 | 2019-05-21 | 云南电网有限责任公司电力科学研究院 | A kind of ground electric wave multiband partial discharges fault diagnostic method |
| CN110160672A (en) * | 2019-06-20 | 2019-08-23 | 上海格鲁布科技有限公司 | A kind of detection device of integrated RFID thermometric, transient earth voltage and ultrasound examination |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121219 Termination date: 20140608 |