CN202854248U - Lightning arrester on-line detection device - Google Patents
Lightning arrester on-line detection device Download PDFInfo
- Publication number
- CN202854248U CN202854248U CN 201220482402 CN201220482402U CN202854248U CN 202854248 U CN202854248 U CN 202854248U CN 201220482402 CN201220482402 CN 201220482402 CN 201220482402 U CN201220482402 U CN 201220482402U CN 202854248 U CN202854248 U CN 202854248U
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- lightning arrester
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- box body
- mainboard
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Abstract
The utility model relates to an on-line monitoring field of a lightning arrester and discloses a lightning arrester on-line detection device which comprises a box body and an antenna lead wire. The antenna lead wire is connected to the box body. Two ends of the box body are provided with a punched core inlet and a punched core outlet. The box body is internally provided with a main board. A sensor provided by the utility model and a primary loop of a monitored lightning arrester are not in direct electrical connection, and the safe operation of the lightning arrester is not affected; wireless transmission technology is employed, wiring is not needed, and installation is convenient; the device has the advantages of box body design, large capacity, individual power supply module, assembly of an outlet hole and convenient function expansion; punched core measurement is employed, sensitivity is high, and sampling is accurate.
Description
Technical field
The utility model relates to the on-line monitoring field of lightning arrester, is specifically related to a kind of on-line measuring device that is applied to Zinc-Oxide Arrester.
Background technology
Monitoring device for lightning arrester comprise the counting mechanism of record lightning arrestor movement number of times and lightning arrester be in when normally treating duty leakage current values and abnormality shows reometer and the alarm lamp of curent change when (comprising the lightning arrestor movement state) and monitor accordingly, the alarm indication circuit.
Single-pointer electromagnetic counting device or the digital counting device of its counting assembly for adopting open electromagnetic circuit in the monitor that generally uses at present, although the latter can carry out nearly thousand times counting continuously, but because the numeral too little (word is 3X5mm greatly only) of digital counting mechanism, effective viewing area is 28X8mm only, and its distance is in case surpass 1r.Then be difficult to see clearly reading.And in order to ensure the lower safety of doing personnel, monitor electriferous state lower must not be as personnel enter this monitor 2m and carry out work with interior, thereby can only observe by telescope, reading, minimum convenience.Although and the former has the advantages that numeral is large, be convenient to observe, exist once circulation only can count ten actions, and owing to existing the frequency of remanent magnetism, continuous counter low after each action, when thunderbolt is recurred, easily failing to record.In addition, this monitor can only carry out on-the-spot close-ups and the remote monitoring signal can not be provided.
Thereby above-mentioned monitor exists or effective too small need of viewing area are observed by telescope, or the single cycle counts is few, poor sensitivity, difficult at be struck by lightning multiple district or thunderstorm season accurate counting; And leakage current mechanism for monitoring poor stability, the defectives such as remote monitoring signal can't be provided.
The utility model content
The utility model mainly solves existing lightning arrester on-line measuring device complex structure, installation and the technical matterss such as use inconvenience, sensitvity constraint system, and a kind of simple in structure, wireless transmission, highly sensitive lightning arrester on-line measuring device are provided.
The utility model purpose is achieved by following technical proposals:
A kind of lightning arrester on-line measuring device comprises casing and antenna extension line, and the antenna extension line is connected on the casing; Described tank ends is provided with punching incoming line and punching line outlet; Described box house is provided with mainboard.During installation of sensors, pass from punching incoming line to punching line outlet after the end shield punching wire end of lightning arrester is better than end shield point, from sensor, pass through, and by mainboard lightning arrester is monitored.
As further improvement of the utility model, also be provided with supply module in the described casing, described supply module is by being connected on the mainboard for electric connection line, and whole sensor is passed through for electric connection line to the sensor main board power supply by supply module.
As further improvement of the utility model, also be provided with expansion line turnover port on the described casing, can power by the external expansion solar panels by this expansion line turnover port, or expand other interlocking items.
As further improvement of the utility model, described mainboard comprises the I/V translation circuit, DSP signal processing circuit, exciting curent compensating circuit, CPU administrative unit and wireless module.The CPU administrative unit is finished all data acquisitions and the module controls of processing procedure; Under the control of CPU administrative unit, I/V conversion and exciting curent compensating circuit are finished the conversion of measured signal under zero magnetic flux state, the DSP signal processing circuit is by 12 high-speed a/d conversions, finish the Fourier transformation to signal, A/D conversion gained digital signal by the mode of wireless module by wireless transmission synchronously with data transmission to data acquisition unit.Thereby realize the accurate sampling to the lightning arrester state.
Compared with prior art, the beneficial effects of the utility model are:
1. the primary circuit of sensor and monitored lightning arrester does not affect the safe operation of lightning arrester without direct electrical connection;
2. employing Radio Transmission Technology, it is easy for installation to need not to connect up;
3. cabinet design, capacity is large, and independent supply module with wire hole, is convenient to Function Extension;
4. punching is measured, and accuracy is high.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the utility model embodiment circuit structure schematic diagram.
Wherein 1-punching incoming line, 2-casing, 3-mainboard, 4-supply module, 5-punching line outlet, 6-are for electric connection line, 7-expansion line turnover port, 8-antenna extension line, 9-antenna.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail:
A kind of lightning arrester on-line measuring device comprises casing 2 and antenna extension line 8, and antenna extension line 8 is connected on the casing 2; Described casing 2 two ends are provided with punching incoming line 1 and punching line outlet 5; Described box house is provided with mainboard 3.
The sensor internal capacity of cabinet design is large, can adopt the mode of operation of independent power supply.Also be provided with supply module 4 in the described casing 2, described supply module 4 is by being connected on the mainboard 3 for electric connection line 6, and whole sensor is passed through for electric connection line 6 to 3 power supplies of sensor mainboard by supply module 4.
Also be provided with expansion line turnover port 7 on the described casing 2, can power by the external expansion solar panels by this expansion line turnover port 7, or expand other functions.
Described mainboard comprises the I/V translation circuit, DSP signal processing circuit, exciting curent compensating circuit, CPU administrative unit and wireless module.
The sensor that the utility model provides adopts punching to measure, and is highly sensitive, and sampling precisely.And the primary circuit of sensor and monitored lightning arrester does not affect the safe operation of lightning arrester without direct electrical connection.During installation of sensors, original arrester ground line is disconnected, choose 35mm
2The multiply copper core, with one section of copper core strip off, then connect copper tip, at last with the connection terminal fixation, pass from punching incoming line 1 to punching line outlet 5 after the end shield punching wire end of lightning arrester is better than end shield point, from sensor, pass through, punching line other end is also connected copper tip and fixation, comprehensively fixing in former earth point.
More than a kind of lightning arrester on-line measuring device provided by the utility model is described in detail, for one of ordinary skill in the art, the thought according to the utility model embodiment all will change in specific embodiments and applications.In a word, the above only is preferred embodiment of the present utility model, and all equalizations of doing according to the utility model claim change and modify, and all should belong to the covering scope of the utility model patent.
Claims (4)
1. a lightning arrester on-line measuring device comprises casing (2) and antenna extension line (8), and antenna extension line (8) is connected on the casing (2);
It is characterized in that:
Described casing (2) two ends are provided with punching incoming line (1) and punching line outlet (5);
Be provided with mainboard (3) in the described casing (2).
2. lightning arrester on-line measuring device as claimed in claim 1, it is characterized in that: also be provided with supply module (4) in the described casing (2), described supply module (4) is connected on the mainboard (3) by confession electric connection line (6), and provides power supply for mainboard (3).
3. lightning arrester on-line measuring device as claimed in claim 1 is characterized in that: also be provided with expansion line turnover port (7) on the described casing (2).
4. such as the described lightning arrester on-line measuring device of claims 1 to 3 any one, it is characterized in that: described mainboard (3) comprises the I/V translation circuit, DSP signal processing circuit, exciting curent compensating circuit, CPU administrative unit and wireless module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220482402 CN202854248U (en) | 2012-09-19 | 2012-09-19 | Lightning arrester on-line detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220482402 CN202854248U (en) | 2012-09-19 | 2012-09-19 | Lightning arrester on-line detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202854248U true CN202854248U (en) | 2013-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220482402 Expired - Fee Related CN202854248U (en) | 2012-09-19 | 2012-09-19 | Lightning arrester on-line detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202854248U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103616583A (en) * | 2013-11-15 | 2014-03-05 | 国家电网公司 | Lightning arrester on-line monitoring device |
| CN108717147A (en) * | 2018-07-24 | 2018-10-30 | 江苏轶电力科技有限公司 | A kind of monitoring device for inside switch cabinet arrester |
-
2012
- 2012-09-19 CN CN 201220482402 patent/CN202854248U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103616583A (en) * | 2013-11-15 | 2014-03-05 | 国家电网公司 | Lightning arrester on-line monitoring device |
| CN108717147A (en) * | 2018-07-24 | 2018-10-30 | 江苏轶电力科技有限公司 | A kind of monitoring device for inside switch cabinet arrester |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130403 Termination date: 20160919 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |