CN204010279U - For detection of the wireless synchronization device of the phase information of high-tension apparatus shelf depreciation - Google Patents
For detection of the wireless synchronization device of the phase information of high-tension apparatus shelf depreciation Download PDFInfo
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- CN204010279U CN204010279U CN201420326483.XU CN201420326483U CN204010279U CN 204010279 U CN204010279 U CN 204010279U CN 201420326483 U CN201420326483 U CN 201420326483U CN 204010279 U CN204010279 U CN 204010279U
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- signal
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- tension apparatus
- phase information
- shelf depreciation
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- 238000001514 detection method Methods 0.000 title claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 230000008054 signal transmission Effects 0.000 claims description 13
- 238000007493 shaping process Methods 0.000 claims description 7
- 230000001360 synchronised effect Effects 0.000 claims description 7
- 238000012360 testing method Methods 0.000 abstract description 5
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 abstract description 3
- 238000003745 diagnosis Methods 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The wireless synchronization device of the utility model and a kind of phase information for detection of high-tension apparatus shelf depreciation, belongs to high-tension apparatus monitoring technical field.By radio transmitter, the phase information modulation of source of synchronising signal is sent to receiving circuit.Receiving circuit detects after signal, and wireless modulated signals demodulation is reduced to the square-wave signal consistent with source of synchronising signal phase place, output to need to this synchronizing information partial discharge signal detection instrument.Wireless transmit and the reception of synchronizing signal when this device has been realized shelf depreciation test, phase information transmission is reliable and stable, do not need field wiring, greatly improve work efficiency, can aspect the shelf depreciation off-line measurement of high voltage electric power equip ment, band electro-detection, on-line monitoring and fault diagnosis, play a significant role.
Description
Technical field
The wireless synchronization device of the utility model and a kind of phase information for detection of high-tension apparatus shelf depreciation, belongs to high-tension apparatus monitoring technical field.
Background technology
Shelf depreciation occurs some weak part in high voltage electric power equip ment insulation under high electric field action is ubiquitous problem in High-Voltage Insulation, under certain condition, by causing the deteriorated of insulation, even punctures.The phase information of the shelf depreciation that the equipment that effectively detects exists, will contribute to find the fault of latency, avoids the generation of burst accident.
In measurement of partial discharge, discharge signal has important references with respect to the phase information of the voltage power frequency of high-tension apparatus for Site Detection personnel and is worth, veteran testing staff, can be according to discharge signal the PHASE DISTRIBUTION situation at power frequency component, effectively judge the fault type of the shelf depreciation of this high-tension apparatus.
The synchronous method of on-the-spot test at present mainly contains two kinds, 1: obtain phase information by line synchro snare at equipment cable; 2, obtain phase information by transformer.Two kinds of methods all need by cable, synchronizing signal to be sent out, and need field wiring, and transmission range is limited, is unfavorable for on-the-spot test.
Summary of the invention
The purpose of this utility model is the wireless synchronization device that proposes a kind of phase information for detection of high-tension apparatus shelf depreciation, produces and has the signal of synchronizeing with power frequency synchronous reference signal, for high-tension apparatus is carried out to Partial Discharge Detection.
The high-tension apparatus phase information wireless synchronization device for Partial Discharge Detection the utility model proposes, comprises wireless signal transmission part and reception of wireless signals part,
Described reception of wireless signals part comprises:
Shaping circuit, for being shaped as square-wave signal by the sine wave signal of the power frequency synchronous reference signal that detects high-tension apparatus shelf depreciation;
Wireless signal transmission circuit, for above-mentioned square-wave signal being modulated into the wireless transmission signal that frequency is 433MHz or 300MHz, wireless signal transmission circuit is connected with shaping circuit;
Wireless signal transmission antenna, for above-mentioned wireless transmission signal is converted to electromagnetic wave, and transmitting;
Described reception of wireless signals receiving unit comprises:
Wireless signal receiving antenna, for receiving above-mentioned electromagnetic wave signal;
Wireless signal receiving circuit, for above-mentioned electromagnetic wave signal is demodulated to above-mentioned square-wave signal, the synchronizing signal using this square-wave signal when high-tension apparatus is carried out to Partial Discharge Detection, wireless receiving circuit is connected with wireless receiving antenna.
The high-tension apparatus phase information wireless synchronization device for Partial Discharge Detection the utility model proposes, adopt wireless mode to send synchronizing information, maximum distance can reach 100 meters, wireless transmit and the reception of the synchronizing signal while having realized shelf depreciation test, phase information transmission is reliable and stable, do not need field wiring, greatly improved work efficiency, can aspect the shelf depreciation off-line measurement of high voltage electric power equip ment, band electro-detection, on-line monitoring and fault diagnosis, play a significant role.
Brief description of the drawings
Fig. 1 is the radiating portion structured flowchart of the utility model wireless synchronization device.
Fig. 2 is the receiving unit structured flowchart of the utility model wireless synchronization device.
Embodiment
The high-tension apparatus phase information wireless synchronization device for Partial Discharge Detection the utility model proposes, comprises wireless signal transmission part and reception of wireless signals part,
Described reception of wireless signals part, its structural representation as shown in Figure 1, comprising:
Shaping circuit, for being shaped as square-wave signal by the sine wave signal of the power frequency synchronous reference signal that detects high-tension apparatus shelf depreciation;
Wireless signal transmission circuit, for above-mentioned square-wave signal being modulated into the wireless transmission signal that frequency is 433MHz or 300MHz, wireless signal transmission circuit is connected with shaping circuit;
Wireless signal transmission antenna, for above-mentioned wireless transmission signal is converted to electromagnetic wave, and transmitting;
Described reception of wireless signals receiving unit, its structural representation as shown in Figure 2, comprising:
Wireless signal receiving antenna, for receiving above-mentioned electromagnetic wave signal;
Wireless signal receiving circuit, for above-mentioned electromagnetic wave signal is demodulated to above-mentioned square-wave signal, the synchronizing signal using this square-wave signal when high-tension apparatus is carried out to Partial Discharge Detection, wireless receiving circuit is connected with wireless receiving antenna.
Below introduce an Application Example of wireless synchronization device of the present utility model:
Radiating portion circuit is received 50Hz, 220V AC synchronous signal source, and emitter is converted into the phase information of this 220V AC signal the wireless modulated signals of 433MHz automatically, sends.The antenna reception of receiving unit, after this signal, by receiving circuit, is reduced to signal the square-wave signal of 50Hz, and the positive going zeror crossing point of this square wave and 50Hz, and 220V AC synchronous signal source is consistent, and has realized wireless transmission and the reception of synchronizing signal.
In above-described embodiment, the shaping circuit of use, is produced by Motorola Inc., and model is LM393; Wireless signal transmission circuit, is produced by Maxim, and model is MAX7033; Wireless signal receiving circuit, is produced by Maxim, and model is MAX7044.
Claims (1)
1. for a high-tension apparatus phase information wireless synchronization device for Partial Discharge Detection, it is characterized in that this device comprises wireless signal transmission part and reception of wireless signals part,
Described reception of wireless signals part comprises:
Shaping circuit, for being shaped as square-wave signal by the sine wave signal of the power frequency synchronous reference signal that detects high-tension apparatus shelf depreciation;
Wireless signal transmission circuit, for above-mentioned square-wave signal being modulated into the wireless transmission signal that frequency is 433MHz or 300MHz, wireless signal transmission circuit is connected with shaping circuit;
Wireless signal transmission antenna, for above-mentioned wireless transmission signal is converted to electromagnetic wave, and transmitting;
Described reception of wireless signals receiving unit comprises:
Wireless signal receiving antenna, for receiving above-mentioned electromagnetic wave signal;
Wireless signal receiving circuit, for above-mentioned electromagnetic wave signal is demodulated to above-mentioned square-wave signal, the synchronizing signal using this square-wave signal when high-tension apparatus is carried out to Partial Discharge Detection, wireless receiving circuit is connected with wireless receiving antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420326483.XU CN204010279U (en) | 2014-06-18 | 2014-06-18 | For detection of the wireless synchronization device of the phase information of high-tension apparatus shelf depreciation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420326483.XU CN204010279U (en) | 2014-06-18 | 2014-06-18 | For detection of the wireless synchronization device of the phase information of high-tension apparatus shelf depreciation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204010279U true CN204010279U (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420326483.XU Expired - Lifetime CN204010279U (en) | 2014-06-18 | 2014-06-18 | For detection of the wireless synchronization device of the phase information of high-tension apparatus shelf depreciation |
Country Status (1)
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| CN (1) | CN204010279U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104931863A (en) * | 2015-05-05 | 2015-09-23 | 广东电网有限责任公司佛山供电局 | Synchronizing signal generator used for cable partial discharge test |
| CN106054092A (en) * | 2016-05-23 | 2016-10-26 | 广东电网有限责任公司佛山供电局 | GIS partial discharge sensor sensitivity tester |
| CN106771913A (en) * | 2016-12-09 | 2017-05-31 | 国网北京市电力公司 | Signal synchronizing method, device and system for Partial discharge detector |
| CN108132430A (en) * | 2017-12-15 | 2018-06-08 | 重庆臻远电气有限公司 | For local discharge of electrical equipment detection device |
| CN108333427A (en) * | 2018-02-11 | 2018-07-27 | 福州开发区慧聚通信技术有限公司 | A kind of operating frequency phase wireless synchronization device |
| CN109459674A (en) * | 2018-12-28 | 2019-03-12 | 国家电网有限公司 | A kind of partial discharge of switchgear multinode monitoring system synchronization device |
| CN112034309A (en) * | 2020-07-28 | 2020-12-04 | 北京交通大学 | Partial discharge identification method for high-voltage switch cabinet |
| CN113466637A (en) * | 2021-06-08 | 2021-10-01 | 国网宁夏电力有限公司电力科学研究院 | Phase synchronization measurement method, device and system for partial discharge of transformer |
-
2014
- 2014-06-18 CN CN201420326483.XU patent/CN204010279U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104931863A (en) * | 2015-05-05 | 2015-09-23 | 广东电网有限责任公司佛山供电局 | Synchronizing signal generator used for cable partial discharge test |
| CN104931863B (en) * | 2015-05-05 | 2018-01-05 | 广东电网有限责任公司佛山供电局 | Synchronous generator for cable local discharge test |
| CN106054092A (en) * | 2016-05-23 | 2016-10-26 | 广东电网有限责任公司佛山供电局 | GIS partial discharge sensor sensitivity tester |
| CN106771913A (en) * | 2016-12-09 | 2017-05-31 | 国网北京市电力公司 | Signal synchronizing method, device and system for Partial discharge detector |
| CN108132430A (en) * | 2017-12-15 | 2018-06-08 | 重庆臻远电气有限公司 | For local discharge of electrical equipment detection device |
| CN108333427A (en) * | 2018-02-11 | 2018-07-27 | 福州开发区慧聚通信技术有限公司 | A kind of operating frequency phase wireless synchronization device |
| CN109459674A (en) * | 2018-12-28 | 2019-03-12 | 国家电网有限公司 | A kind of partial discharge of switchgear multinode monitoring system synchronization device |
| CN109459674B (en) * | 2018-12-28 | 2020-12-22 | 国家电网有限公司 | Multi-node monitoring system synchronization device for local discharge of switch cabinet |
| CN112034309A (en) * | 2020-07-28 | 2020-12-04 | 北京交通大学 | Partial discharge identification method for high-voltage switch cabinet |
| CN112034309B (en) * | 2020-07-28 | 2021-11-23 | 北京交通大学 | Partial discharge identification method for high-voltage switch cabinet |
| CN113466637A (en) * | 2021-06-08 | 2021-10-01 | 国网宁夏电力有限公司电力科学研究院 | Phase synchronization measurement method, device and system for partial discharge of transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 523000 main mountain range, Dongcheng District, Guangdong, Dongguan Co-patentee after: TSINGHUA University Patentee after: Dongguan Power Supply Bureau of Guangdong Power Grid Co.,Ltd. Address before: 523008 No. 239 Dongcheng Avenue, Guangdong, Dongguan Co-patentee before: TSINGHUA University Patentee before: Dongguan Power Supply Bureau,Guangdong Power Grid Corporation |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200325 Address after: Guangzhou Yuexiu District City, Guangdong province 510060 Dongfeng Road No. 757 Co-patentee after: Dongguan Power Supply Bureau of Guangdong Power Grid Co.,Ltd. Patentee after: GUANGDONG POWER GRID Co.,Ltd. Address before: 523000 main mountain range, Dongcheng District, Guangdong, Dongguan Co-patentee before: TSINGHUA University Patentee before: Dongguan Power Supply Bureau of Guangdong Power Grid Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141210 |