CN203444070U - Externally-arranged power equipment partial discharge monitoring device - Google Patents
Externally-arranged power equipment partial discharge monitoring device Download PDFInfo
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- CN203444070U CN203444070U CN201320576276.5U CN201320576276U CN203444070U CN 203444070 U CN203444070 U CN 203444070U CN 201320576276 U CN201320576276 U CN 201320576276U CN 203444070 U CN203444070 U CN 203444070U
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Abstract
The utility model relates to an externally-arranged power equipment partial discharge monitoring device and belongs to the technical field of electric power equipment. The externally-arranged power equipment partial discharge monitoring device includes a chassis mounted at the exterior of power equipment; a signal conductor led out from the chassis is connected with a signal acquisition device installed in the power equipment; an analog-to-digital converter, a data processor and a data transmitter are arranged inside the chassis; a signal access port of the analog-to-digital converter is connected with the signal conductor; a signal output port of the analog-to-digital converter is connected with the data processor; and the data processor is connected with the data transmitter. According to the externally-arranged power equipment partial discharge monitoring device of the utility model, the field-programmable-gate-array digital signal processor (DSP) is adopted, and therefore, partial discharge signals can be continuously acquired in a real-time manner, and the externally-arranged power equipment partial discharge monitoring device has functions such as data acquisition, signal processing, data storage, alarm processing and network communication, and the externally-arranged power equipment partial discharge monitoring device is not limited by data storage capacity and storage modes; through using the parallel processing ability of the digital signal processor (DSP), multiple channels of signals can be acquired and processed simultaneously, which enables excellent real-time performance; and with the externally-arranged power equipment partial discharge monitoring device adopted, more criterions can be provided for insulation conditions of high voltage equipment.
Description
Technical field
The utility model relates to a kind of partial discharge monitoring device, and monitoring device is put in especially a kind of external electric power equipment office, belongs to electrical equipment technical field.
Background technology
Shelf depreciation refers to the electric discharge phenomena that the insulation system of power equipment occurs in regional area under enough strong electric field action.Although this shelf depreciation only can cause that the subrange of insulation system is breakdown causes local short circuit, there is not penetrability and puncture in the insulation between the conductor of power equipment, and shelf depreciation all can have some impacts to insulating medium each time.In addition, slight shelf depreciation is less on the impact of Electric Power Equipment Insulation, and the decline of dielectric strength is slower, and strong shelf depreciation can make dielectric strength decline very soon.Therefore,, when shelf depreciation meets and exceeds to a certain degree, will cause transformer insulated destruction.So for the reliability that guarantees that transformer is in operation, conventionally need to avoid the generation of shelf depreciation in insulating medium, or only allow slight shelf depreciation as far as possible.In service at power equipment, need to carry out partial discharge monitoring, to guarantee insulation quality.But the office of installing in existing power equipment puts monitoring device and is generally embedding structure, although appearance looks elegant, but practicality is poor, ventilation and heat is bad, equipment failure rate is high, to repair and maintenance, bring great inconvenience, thereby image data that can not long-time continuous has caused adverse effect to the Real-Time Monitoring of power equipment shelf depreciation.
Utility model content
The purpose of this utility model is: the problem existing for above-mentioned prior art, and propose a kind of external electric power equipment office and put monitoring device, can significantly improve the stability of equipment work, thereby guarantee monitoring device image data successively for a long time.
In order to reach above object, the utility model provides a kind of external electric power equipment office to put monitoring device, comprise the cabinet being arranged on outside power equipment, signal pickup assembly in drawing signal conductor in described cabinet and being arranged on power equipment is connected, in described cabinet, be provided with analog to digital converter, data processor and data transmitter, the signal access port of described analog to digital converter is connected with described signal conductor, the signal output of described analog to digital converter is connected with described data processor, and described data processing is connected with described data transmitter.
Preferred version of the present utility model is: monitoring device is put in aforesaid external electric power equipment office, described signal pickup assembly main body is by poured with epoxy resin moulding, described body rim is installed three metal flanges by cast, installing insulating basin on described metal flange, on described insulating basin, by cast, be fixed with uhf sensor, at the outside sensor installation cover of described insulating basin, described uhf sensor is coated wherein.
Monitoring device is put in aforesaid external electric power equipment office, is connected with RJ45 network interface card and wireless network card on described data transmitter.
Monitoring device is put in aforesaid external electric power equipment office, on described data processor, is connected with display.
Further, monitoring device is put in aforesaid external electric power equipment office, and described data processor is field programmable gate array dsp chip.
The utility model can adopt existing device or module as corresponding units completely, is connected and can realizes technique scheme together, therefore practical.
The beneficial effects of the utility model: the utility model is by arranging field programmable gate array DSP, realized Real-time Collection local discharge signal continuously, there is data acquisition, signal processing, data storage, the functions such as processing and network communication of reporting to the police, be not subject to the restriction of data storage capacity and storage mode, utilize the parallel processing capability of DSP, acquisition and processing multiple signals simultaneously, real-time is good, for the state of insulation of high-tension apparatus provides more criterion.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further described.
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is signal pickup assembly structural representation.
Embodiment
Embodiment mono-
The present embodiment provides a kind of external electric power equipment office to put monitoring device, structure as depicted in figs. 1 and 2, comprise the cabinet 1 being arranged on outside power equipment, signal pickup assembly 2 in drawing signal conductor in cabinet and being arranged on power equipment is connected, signal pickup assembly 2 main bodys are by poured with epoxy resin moulding, body rim is installed three metal flange 2-1 by cast, installing insulating basin 2-2 on metal flange, on insulating basin, by cast, be fixed with uhf sensor 2-3, at the outside sensor installation cover of insulating basin, 2-4 is coated wherein by uhf sensor.In cabinet, be provided with analog to digital converter 3, data processor 4 and data transmitter 5, the signal access port of analog to digital converter is connected with signal conductor, the signal output of analog to digital converter is connected with data processor, on data processor, be also connected with display 6 and state data transmitter, on data transmitter, being connected with RJ45 network interface card 7 and wireless network card 8.
In addition to the implementation, the utility model can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of the utility model requirement.
Claims (5)
1. monitoring device is put in external electric power equipment office, comprise the cabinet being arranged on outside power equipment, signal pickup assembly in drawing signal conductor in described cabinet and being arranged on power equipment is connected, it is characterized in that: in described cabinet, be provided with analog to digital converter, data processor and data transmitter, the signal access port of described analog to digital converter is connected with described signal conductor, the signal output of described analog to digital converter is connected with described data processor, and described data processing is connected with described data transmitter.
2. monitoring device is put in external electric power equipment according to claim 1 office, it is characterized in that: described signal pickup assembly main body is by poured with epoxy resin moulding, described body rim is installed three metal flanges by cast, installing insulating basin on described metal flange, on described insulating basin, by cast, be fixed with uhf sensor, at the outside sensor installation cover of described insulating basin, described uhf sensor is coated wherein.
3. monitoring device is put in external electric power equipment according to claim 1 office, it is characterized in that: on described data transmitter, be connected with RJ45 network interface card and wireless network card.
4. monitoring device is put in external electric power equipment according to claim 1 office, it is characterized in that: on described data processor, be connected with display.
5. monitoring device is put in external electric power equipment according to claim 1 office, it is characterized in that: described data processor is field programmable gate array dsp chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320576276.5U CN203444070U (en) | 2013-09-17 | 2013-09-17 | Externally-arranged power equipment partial discharge monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320576276.5U CN203444070U (en) | 2013-09-17 | 2013-09-17 | Externally-arranged power equipment partial discharge monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203444070U true CN203444070U (en) | 2014-02-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320576276.5U Expired - Fee Related CN203444070U (en) | 2013-09-17 | 2013-09-17 | Externally-arranged power equipment partial discharge monitoring device |
Country Status (1)
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| CN (1) | CN203444070U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104914358A (en) * | 2014-03-14 | 2015-09-16 | 日新电机株式会社 | Partial discharging monitoring device and partial discharging monitoring system |
| CN105606977A (en) * | 2016-03-11 | 2016-05-25 | 华乘电气科技（上海）股份有限公司 | Partial discharge PRPS atlas identification method and system based on hierarchy rule inference |
| CN108445367A (en) * | 2018-05-28 | 2018-08-24 | 南通大学 | Portable partial discharge detector based on ultrasound |
-
2013
- 2013-09-17 CN CN201320576276.5U patent/CN203444070U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104914358A (en) * | 2014-03-14 | 2015-09-16 | 日新电机株式会社 | Partial discharging monitoring device and partial discharging monitoring system |
| CN105606977A (en) * | 2016-03-11 | 2016-05-25 | 华乘电气科技（上海）股份有限公司 | Partial discharge PRPS atlas identification method and system based on hierarchy rule inference |
| CN105606977B (en) * | 2016-03-11 | 2019-04-19 | 华乘电气科技（上海）股份有限公司 | Shelf depreciation PRPS spectrum recognition method and system based on hierarchical rule reasoning |
| CN108445367A (en) * | 2018-05-28 | 2018-08-24 | 南通大学 | Portable partial discharge detector based on ultrasound |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: JIANGSU RINPAR ELECTRIC POWER TECHNOLOGY CO., LTD. Free format text: FORMER NAME: NANJING RINPAR ELECTRIC POWER ENGINEERING CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 210000, No. 69, the Fuchun River East Street, Jianye District, Jiangsu, Nanjing (15 South Building of Fang Zhong building) Patentee after: JIANGSU RINPAR POWER TECHNOLOGY CO.,LTD. Address before: Ka International City No. 158 Mount Lu Road, Jianye District of Nanjing City, Jiangsu province 210000 building 3 room 1110 Patentee before: NANJING RINPAR ELECTRIC POWER ENGINEERING CO.,LTD. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190919 Address after: 030012 8-storey Hongfu Complex Building, 119 Pingyang Road, Xiaodian District, Taiyuan City, Shanxi Province Patentee after: Shanxi Jintaixin and Energy Technology Co.,Ltd. Address before: 210000, No. 69, the Fuchun River East Street, Jianye District, Jiangsu, Nanjing (15 South Building of Fang Zhong building) Patentee before: JIANGSU RINPAR POWER TECHNOLOGY CO.,LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140219 Termination date: 20210917 |