CN103336168A - Full-loop alternating-current self-test high-voltage electroscope - Google Patents
Full-loop alternating-current self-test high-voltage electroscope Download PDFInfo
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- CN103336168A CN103336168A CN2013102692892A CN201310269289A CN103336168A CN 103336168 A CN103336168 A CN 103336168A CN 2013102692892 A CN2013102692892 A CN 2013102692892A CN 201310269289 A CN201310269289 A CN 201310269289A CN 103336168 A CN103336168 A CN 103336168A
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Abstract
The invention discloses a full-loop alternating-current self-test high-voltage electroscope with a dead zone protection function. The high-voltage electroscope comprises a high-voltage electroscope body and a plurality of sections of telescopic insulation rods, wherein the high-voltage electroscope body comprises a high-voltage electroscope probe, a housing, a full-loop self-test indication lamp, a direct-current power set cabin, a voltage shortage indication lamp, a self-test button switch, a sound-light generator and a full-loop self-test electroscope circuit; a connecting part is arranged at one end of the lower end surface of the housing; the upper end parts of the plurality of telescopic insulation rod are in threaded connection with the connecting part. As a conventional full-loop self-test high-voltage electroscope is improved, the dead zone protection function unconfigured in a general full-loop self-test high-voltage electroscope is configured, and resistors and capacitors of an input loop are matched, the response time of the electroscope in a process of detecting a low voltage is shortened, the sensitivity of the full-loop self-test high-voltage electroscope is improved, and a safety operation can be reliably guaranteed.
Description
Technical field
The present invention relates to a kind of high voltage testing device, specifically a kind of full loop with the dead band safeguard function exchanges self check high voltage testing device.
Background technology
At present, the high voltage electroscope of domestic use is when carrying out the high-tension apparatus electrical verification, because situation such as circuit oxide layer or equipment electrical verification place electric field be even often occurs because of electroscope self trigger voltage height, and the long and reliable problem of electrical verification of response time.If electroscope can't correctly have been indicated electricity in self dead band voltage range, will directly cause the staff that high-tension apparatus is not had the erroneous judgement of electricity, so that might cause personal injury accidents.Therefore, be necessary to design a kind of electroscope with the protection of dead band voltage, make it satisfy the characteristic of response time weak point, response voltage wide ranges.
Summary of the invention
At above-mentioned deficiency, the invention provides a kind of full loop with the dead band protection and exchange self check high voltage testing device, it not only can realize the galvanoscopic full loop self check of ac high-voltage, to guarantee that the ac high-voltage electroscope uses under the normal situation of device, and self is with the dead band safeguard function, can correctly indicate the voltage in the voltage range of dead band, free to prevent unnecessary accident.
The present invention solves the technical scheme that its technical matters takes: a kind of full loop exchanges self check high voltage testing device, comprise the high voltage electroscope body, it is characterized in that, also comprise the multi-joint telescoping insulating bar, described high voltage electroscope body comprises the high voltage testing probe, housing, full loop self check pilot lamp, direct supply group storehouse, under-voltage pilot lamp, the self check pushbutton switch, acousto-optic generator and full loop self check electrical circuit inspection, the leading section of the positive end face of described housing is provided with a under-voltage pilot lamp and a full loop self check pilot lamp, the middle part of the positive end face of housing is provided with a self check pushbutton switch, one end of housing upper surface is provided with high voltage testing probe, and described high voltage testing probe is taper pin type and the head cone angle probe less than 15 °; Described full loop self check electrical circuit inspection be arranged in the housing and with circuit board that the frame ground body links to each other on; The bottom of the positive end face of housing comprises an acousto-optic generator and a direct current power pack storehouse, and described acousto-optic generator comprises that one detects pilot lamp and a detection hummer; Described housing lower surface one end is provided with link, and the upper end of described multi-joint telescoping insulating bar is threaded with link.
Preferably, described multi-joint telescoping insulating bar connects to form by the more piece insulating bar is embedded, and the upper end of described multi-joint telescoping insulating bar is threaded with the link of high voltage electroscope body, and the bottom is provided with hand-held insulating sheath.
Preferably, described full loop self check electrical circuit inspection is made up of anti-dead band input circuit, electric current convergent-divergent loop, self-checking circuit loop, amplification filtering loop, controlled oscillation loop, power amplification loop and acousto-optic alarm circuit and is formed electrical connection; The input end of described anti-dead band input circuit forms with the high voltage testing probe and is electrically connected, and the output terminal in described sound and light alarm loop forms with detection pilot lamp and detection hummer respectively and is electrically connected.
Preferably, described full loop self check electrical circuit inspection 11 is made up of R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, C0, C1, C2, C3, D1, D2, D3, D4, K1, Q1, Q2, Q3 and U1.
The invention has the beneficial effects as follows, owing to improved existing full loop self check high voltage electroscope, added the dead band voltage safeguard function that general full loop self check high voltage electroscope does not possess, the present invention cooperates by input circuit resistance and electric capacity, reduced electroscope in the response time of detecting low-voltage, improve the sensitivity of full loop self check high voltage electroscope, therefore can guarantee safe operation reliably.
Description of drawings
Fig. 1 is general structure synoptic diagram of the present invention;
Fig. 2 is that the master of high voltage electroscope body of the present invention looks synoptic diagram;
Fig. 3 is the elevational schematic view of high voltage electroscope body of the present invention;
Fig. 4 is the schematic rear view that high voltage electroscope body of the present invention is opened bonnet;
Fig. 5 is the theory diagram of full loop self check electrical circuit inspection of the present invention;
Fig. 6 is the circuit theory diagrams of full loop self check electrical circuit inspection of the present invention.
Embodiment
For clearly demonstrating the technical characterstic of this programme, below by embodiment, and in conjunction with its accompanying drawing, the present invention will be described in detail.
As Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4, a kind of full loop of the present invention exchanges self check high voltage testing device, it comprises high voltage electroscope body and multi-joint telescoping insulating bar 8, described high voltage electroscope body comprises high voltage testing probe 1, housing 2, full loop self check pilot lamp 3, direct supply group storehouse 4, under-voltage pilot lamp 5, self check pushbutton switch 6, acousto-optic generator 7 and full loop self check electrical circuit inspection 11, the leading section of described housing 2 positive end faces is provided with a under-voltage pilot lamp 5 and a full loop self check pilot lamp 3, described under-voltage pilot lamp 5 is used to indicate the self check DC low-voltage of high voltage electroscope body, if direct current supply voltage is low, under-voltage pilot lamp 5 will be lighted when self check, if direct current supply voltage is normal, then under-voltage pilot lamp 5 does not just work when self check, described full loop self check pilot lamp 5 is used to indicate the self check duty of high voltage electroscope body, lights when above-mentioned self check pushbutton switch 6 is pressed; The middle part of housing 2 positive end faces is provided with a self check pushbutton switch 6, checks the normal operating conditions of electroscope circuit by the self-checking circuit of control high voltage electroscope body; One end of housing 2 upper surfaces is provided with high voltage testing probe 1, described high voltage testing probe 1 is taper pin type and the head cone angle probe less than 15 °, high voltage testing probe 1 can deeply contact the electrical verification position when guaranteeing electrical verification, thereby avoids the oxide layer of charging equipment outside and uniform electric field to the influence of electrical verification correctness; Described full loop self check electrical circuit inspection 11 be arranged in the housing 2 and with circuit board that housing 2 grounding bodies link to each other on; The bottom of housing 2 positive end faces comprises an acousto-optic generator 7 and in order to the direct supply group storehouse 4 of dc-battery to be installed, and described acousto-optic generator 7 comprises that one detects pilot lamp 9 and a detection hummer 10; Described housing 2 lower surfaces one end is provided with link 12, and the upper end of described multi-joint telescoping insulating bar 8 is threaded with link 12.
Preferably, described multi-joint telescoping insulating bar 8 connects to form by the insulating bar of more piece retractable is embedded, can satisfy certain intensity and height; The upper end of described multi-joint telescoping insulating bar 8 is threaded with the link 12 of high voltage electroscope body, and the time spent can not unclamped screw the high voltage electroscope body is removed from multi-joint telescoping insulating bar 8 at ordinary times, and both separately deposit; The bottom is provided with hand-held insulating sheath 13, is used for increasing holding friction force.
As shown in Figure 5, as a preferred embodiment of the present invention, full loop self check electrical circuit inspection 11 of the present invention is a PCB circuit board, is formed and is formed electrical connection by anti-dead band input circuit, electric current convergent-divergent loop, self-checking circuit loop, amplification filtering loop, controlled oscillation loop, power amplification loop and acousto-optic alarm circuit; The input end of described anti-dead band input circuit forms to be electrically connected to form by an automatically flexible short circuit iron plate welding with high voltage testing probe 1 and is electrically connected, the output terminal in described sound and light alarm loop forms by wire jumper and is electrically connected with detecting pilot lamp 9 and detect hummer 10 respectively, can be at the high voltage electroscope checkout equipment during charged or self-check of device by sounding with luminously come prompting operation person's high voltage electroscope equipment charged or self-check of device is normal.Described full loop self check pilot lamp 3, under-voltage pilot lamp 5 and self check pushbutton switch 6 are connected to form in the full loop self check electrical verification circuit loop and are electrically connected.
As shown in Figure 6, as another kind of preferred version of the present invention, full loop self check electrical circuit inspection 11 of the present invention is made up of R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, C0, C1, C2, C3, D1, D2, D3, D4, K1, Q1, Q2, Q3 and U1.
The present invention is realizing that general full loop exchanges on the function basis of self check high voltage electroscope, by cooperating of anti-dead band input circuit resistance and electric capacity, can solve the general high voltage electroscope and meet evenly and the reliably problem of electrical verification of circuit oxide layer or equipment electrical verification place electric field, by this technological transformation, the response that can reduce high voltage electroscope to a great extent rings the time, increase the width of response voltage scope, for the reliable correct electrical verification of staff provides sound assurance.
The above is preferred implementation of the present invention, for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also make some improvements and modifications, and these improvements and modifications also are regarded as protection scope of the present invention.
Claims (4)
1. a full loop exchanges self check high voltage testing device, comprise the high voltage electroscope body, it is characterized in that, also comprise multi-joint telescoping insulating bar (8), described high voltage electroscope body comprises high voltage testing probe (1), housing (2), full loop self check pilot lamp (3), direct supply group storehouse (4), under-voltage pilot lamp (5), self check pushbutton switch (6), acousto-optic generator (7) and full loop self check electrical circuit inspection (11), the leading section of the positive end face of described housing (2) is provided with a under-voltage pilot lamp (5) and a full loop self check pilot lamp (3), the middle part of the positive end face of housing (2) is provided with a self check pushbutton switch (6), one end of housing (2) upper surface is provided with high voltage testing probe (1), and described high voltage testing probe (1) is taper pin type and the head cone angle probe less than 15 °; Described full loop self check electrical circuit inspection (11) be arranged in the housing (2) and with circuit board that housing (2) grounding body links to each other on; The bottom of the positive end face of housing (2) comprises an acousto-optic generator (7) and a direct current power pack storehouse (4), and described acousto-optic generator (7) comprises that one detects pilot lamp (9) and a detection hummer (10); Described housing (2) lower surface one end is provided with link (12), and the upper end of described multi-joint telescoping insulating bar (8) is threaded with link (12).
2. a kind of full loop according to claim 1 exchanges self check high voltage testing device, it is characterized in that, described multi-joint telescoping insulating bar (8) connects to form by the more piece insulating bar is embedded, the upper end of described multi-joint telescoping insulating bar (8) is threaded with the link (12) of high voltage electroscope body, and the bottom is provided with hand-held insulating sheath (13).
3. a kind of full loop according to claim 1 exchanges self check high voltage testing device, it is characterized in that described full loop self check electrical circuit inspection (11) is made up of anti-dead band input circuit, electric current convergent-divergent loop, self-checking circuit loop, amplification filtering loop, controlled oscillation loop, power amplification loop and acousto-optic alarm circuit and is formed electrical connection; The input end of described anti-dead band input circuit forms with high voltage testing probe (1) and is electrically connected, and the output terminal in described sound and light alarm loop forms with detection pilot lamp (9) and detection hummer (10) respectively and is electrically connected.
4. exchange self check high voltage testing device according to each described a kind of full loop of claim 1 to 3, it is characterized in that described full loop self check electrical circuit inspection (11) is made up of R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, C0, C1, C2, C3, D1, D2, D3, D4, K1, Q1, Q2, Q3 and U1.
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| CN201310269289.2A CN103336168B (en) | 2013-06-29 | 2013-06-29 | A kind of Full-loop alternating-current self-test high-voltage electroscope |
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| CN103336168B CN103336168B (en) | 2015-08-19 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105004906A (en) * | 2015-07-07 | 2015-10-28 | 国网上海市电力公司 | Contact-type alternating-current high-voltage electroscope and application thereof |
| CN105629035A (en) * | 2015-12-04 | 2016-06-01 | 国家电网公司 | Telescopic gear-adjustable middle-lower-voltage acousto-optic electroscope |
| CN105929219A (en) * | 2016-05-10 | 2016-09-07 | 保定瑞隆电力器材有限公司 | Improved full loop electroscope and method for controlling same |
| CN107607777A (en) * | 2017-11-23 | 2018-01-19 | 长兴华阁耐物流装备有限公司 | A kind of double indicator lamp automatically retractable high voltage testing devices |
| CN109374955A (en) * | 2018-09-28 | 2019-02-22 | 南安市谷隆工业设计有限公司 | A kind of high voltage testing device of the plateau power distribution network based on Action of Wind pressure |
| CN109387693A (en) * | 2017-08-04 | 2019-02-26 | 河北国昊电力科技有限公司 | DC electroscope |
| CN109596878A (en) * | 2018-12-04 | 2019-04-09 | 河北省晋力电气有限公司 | A kind of all-loop self-inspection electroscope |
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| CN2781387Y (en) * | 2005-03-24 | 2006-05-17 | 上海琦峰验电器有限公司 | All-loop self-check AC high voltage electroscope |
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| DE3202554C1 (en) * | 1982-01-27 | 1983-05-19 | Arcus Elektrotechnik Alois Schiffmann GmbH, 8000 München | High-voltage tester |
| CN2128742Y (en) * | 1992-06-26 | 1993-03-24 | 裴宏伟 | Contactless high-and low-voltage electroscope |
| CN2319816Y (en) * | 1998-03-27 | 1999-05-19 | 浙江大学 | Intelligent contact acousto-optical a.c high voltage electroscope |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105004906A (en) * | 2015-07-07 | 2015-10-28 | 国网上海市电力公司 | Contact-type alternating-current high-voltage electroscope and application thereof |
| CN105004906B (en) * | 2015-07-07 | 2018-02-02 | 国网上海市电力公司 | A kind of contact AC high-voltage electroscope and its application |
| CN105629035A (en) * | 2015-12-04 | 2016-06-01 | 国家电网公司 | Telescopic gear-adjustable middle-lower-voltage acousto-optic electroscope |
| CN105929219A (en) * | 2016-05-10 | 2016-09-07 | 保定瑞隆电力器材有限公司 | Improved full loop electroscope and method for controlling same |
| CN105929219B (en) * | 2016-05-10 | 2018-10-26 | 保定瑞隆电力器材有限公司 | A kind of improved full loop electroscope and its control method |
| CN109387693A (en) * | 2017-08-04 | 2019-02-26 | 河北国昊电力科技有限公司 | DC electroscope |
| CN109387693B (en) * | 2017-08-04 | 2020-11-06 | 河北国昊电力科技有限公司 | DC electroscope |
| CN107607777A (en) * | 2017-11-23 | 2018-01-19 | 长兴华阁耐物流装备有限公司 | A kind of double indicator lamp automatically retractable high voltage testing devices |
| CN109374955A (en) * | 2018-09-28 | 2019-02-22 | 南安市谷隆工业设计有限公司 | A kind of high voltage testing device of the plateau power distribution network based on Action of Wind pressure |
| CN109596878A (en) * | 2018-12-04 | 2019-04-09 | 河北省晋力电气有限公司 | A kind of all-loop self-inspection electroscope |
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| CN103336168B (en) | 2015-08-19 |
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