CN203365533U - Entire-loop AC self-check high-voltage electroscope - Google Patents
Entire-loop AC self-check high-voltage electroscope Download PDFInfo
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- CN203365533U CN203365533U CN 201320383700 CN201320383700U CN203365533U CN 203365533 U CN203365533 U CN 203365533U CN 201320383700 CN201320383700 CN 201320383700 CN 201320383700 U CN201320383700 U CN 201320383700U CN 203365533 U CN203365533 U CN 203365533U
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- 239000000523 sample Substances 0.000 claims abstract description 17
- 239000003990 capacitor Substances 0.000 claims abstract description 13
- 238000007689 inspection Methods 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 7
- 230000003321 amplification Effects 0.000 claims description 6
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 3
- 230000010355 oscillation Effects 0.000 claims description 3
- 238000009413 insulation Methods 0.000 abstract 2
- 238000012795 verification Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 4
- 230000005684 electric field Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses an entire-loop AC self-check high-voltage electroscope with a dead zone protection. The electroscope includes a high-voltage electroscope body and a multi-segment telescopic insulation rod. The high-voltage electroscope body includes a high-voltage electroscopic probe, a shell, an entire-loop self-check indicating lamp, a DC power module cabin, an undervoltage indicating lamp, a self-check press button switch, a sound-light generator and an entire-loop self-check electroscopic circuit. The upper end part of the multi-segment telescopic insulation rod equipped with a connection part is in threaded connection with a connection part arranged on the lower end of the shell. According to the utility model, since a prior entire-loop self-check high-voltage electroscope is improved and the dead zone voltage protection function that is generally not possessed by a prior entire-loop self-check high-voltage electroscope is added, and through the cooperation of an input loop resistor and a capacitor, response time of the electroscope when detecting low voltage is reduced and flexibility of the entire-loop self-check high-voltage electroscope is improved. Thus, operation safety can be guaranteed reliably.
Description
Technical field
The utility model relates to a kind of high voltage testing device, and 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, when carrying out the high-tension apparatus electrical verification, due to circuit oxide layer or the situation such as equipment electrical verification place electric field is even, often occurs because electroscope self trigger voltage is high, 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 to high-tension apparatus without electric erroneous judgement so that likely cause personal injury accidents.Therefore, be necessary to design a kind of electroscope with the protection of dead band voltage, make it meet the characteristic of short, response voltage wide ranges of response time.
Summary of the invention
For above-mentioned deficiency, the utility model provides a kind of full loop with the dead band protection to exchange self check high voltage testing device, it not only can realize the full loop self check of AC high-voltage electroscope, to guarantee that AC high-voltage electroscope is used in 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 technical scheme in the invention for solving the technical problem is: 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 described housing front end face is provided with a under-voltage pilot lamp and a full loop self check pilot lamp, the middle part of housing front end face is provided with a self check pushbutton switch, one end of housing upper surface is provided with a high voltage testing probe, described high voltage testing probe is the probe that taper pin type and head cone angle are less than 15 °, described full loop self check electrical circuit inspection be arranged in housing and the circuit board that is connected with the frame ground body on, the bottom of housing front end face comprises an acousto-optic generator and a direct current power pack storehouse, and described acousto-optic generator comprises that a detection pilot lamp and detects 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 bottom is provided with hand-held insulating sheath.
Preferably, described full loop self check electrical circuit inspection is comprised 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 forms electrical connection; The input end of described anti-dead band input circuit forms and is electrically connected to the high voltage testing probe, and the output terminal in described sound and light alarm loop forms and is electrically connected to detection pilot lamp and detection hummer respectively.
Preferably, described full loop self check electrical circuit inspection 11 is comprised of resistance R 0, resistance R 1, resistance R 2, resistance R 3, resistance R 4, resistance R 5, resistance R 6, resistance R 7, resistance R 8, resistance R 9, resistance R 10, resistance R 11, resistance R 12, capacitor C 0, capacitor C 1, capacitor C 2, capacitor C 3, diode D1, diode D2, light emitting diode D3, light emitting diode D4, button switch K 1, triode Q1, triode Q2, triode Q3 and controlled oscillator U1.
The beneficial effects of the utility model are, owing to having improved existing full loop self check high voltage electroscope, the dead band voltage safeguard function that has added general full loop self check high voltage electroscope not possess, the utility model coordinates 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 reliably safe operation.
The accompanying drawing explanation
Fig. 1 is general structure schematic diagram of the present utility model;
Fig. 2 is that the master of high voltage electroscope body of the present utility model looks schematic diagram;
Fig. 3 is the elevational schematic view of high voltage electroscope body of the present utility model;
Fig. 4 is the schematic rear view that high voltage electroscope body of the present utility model is opened bonnet;
Fig. 5 is the theory diagram of full loop self check electrical circuit inspection of the present utility model;
Fig. 6 is the circuit theory diagrams of full loop self check electrical circuit inspection of the present utility model.
Embodiment
For clearly demonstrating the technical characterstic of this programme, below by embodiment, and, in conjunction with its accompanying drawing, the utility model is elaborated.
As Fig. 1, Fig. 2, shown in Fig. 3 and Fig. 4, a kind of full loop of the present utility model 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 front 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, 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, when pressing, lights by above-mentioned self check pushbutton switch 6, the middle part of housing 2 front 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 controlling the high voltage electroscope body, one end of housing 2 upper surfaces is provided with a high voltage testing probe 1, described high voltage testing probe 1 is the probe that taper pin type and head cone angle are less than 15 °, high voltage testing probe 1 can deeply contact the electrical verification position when guaranteeing electrical verification, thereby avoids the impact on the electrical verification correctness of the oxide layer of charging equipment outside and uniform electric field, described full loop self check electrical circuit inspection 11 is arranged in housing 2 and on the circuit board be connected with housing 2 grounding bodies, the bottom of housing 2 front end faces comprises that an acousto-optic generator 7 and is in order to the direct supply group storehouse 4 of dc-battery to be installed, and described acousto-optic generator 7 comprises that a detection pilot lamp 9 and detects hummer 10, described housing 2 lower surface one ends are 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 meet 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 used time 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; Bottom is provided with hand-held insulating sheath 13, for increase, holds friction force.
As shown in Figure 5, as a kind of preferred version of the present utility model, full loop self check electrical circuit inspection 11 described in the utility model is a PCB circuit board, 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, is formed and is formed electrical connection; The input end of described anti-dead band input circuit forms electrical connection formation with high voltage testing probe 1 by an automatic telescopic short circuit iron plate welding and is electrically connected to, the output terminal in described sound and light alarm loop forms and is electrically connected to by wire jumper 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 and luminous come prompting operation person's high voltage electroscope equipment live or self-check of device normal.Described full loop self check pilot lamp 3, under-voltage pilot lamp 5 and self check pushbutton switch 6 are connected in full loop self check electrical verification circuit loop and form electrical connection.
As shown in Figure 6, as another kind of preferred version of the present utility model, full loop self check electrical circuit inspection 11 described in the utility model is comprised of resistance R 0, resistance R 1, resistance R 2, resistance R 3, resistance R 4, resistance R 5, resistance R 6, resistance R 7, resistance R 8, resistance R 9, resistance R 10, resistance R 11, resistance R 12, capacitor C 0, capacitor C 1, capacitor C 2, capacitor C 3, diode D1, diode D2, light emitting diode D3, light emitting diode D4, button switch K 1, triode Q1, triode Q2, triode Q3 and controlled oscillator U1.
The utility model is realizing that general full loop exchanges on the function basis of self check high voltage electroscope, by coordinating 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 to a great extent high voltage electroscope 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 utility model; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also make some improvements and modifications, these improvements and modifications also are regarded as protection domain of the present utility model.
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 described housing (2) front end face is provided with a under-voltage pilot lamp (5) and a full loop self check pilot lamp (3), the middle part of housing (2) front end face is provided with a self check pushbutton switch (6), one end of housing (2) upper surface is provided with a high voltage testing probe (1), described high voltage testing probe (1) is the probe that taper pin type and head cone angle are less than 15 °, described full loop self check electrical circuit inspection (11) be arranged in housing (2) and the circuit board that is connected with housing (2) grounding body on, the bottom of housing (2) front end face comprises an acousto-optic generator (7) and a direct current power pack storehouse (4), and described acousto-optic generator (7) comprises that a detection pilot lamp (9) and detects 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 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 comprised 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 forms electrical connection; The input end of described anti-dead band input circuit forms and is electrically connected to high voltage testing probe (1), and the output terminal in described sound and light alarm loop forms and is electrically connected to detection pilot lamp (9) and detection hummer (10) respectively.
4. exchange self check high voltage testing device according to the described a kind of full loop of claims 1 to 3 any one, it is characterized in that, described full loop self check electrical circuit inspection (11) is comprised of resistance R 0, resistance R 1, resistance R 2, resistance R 3, resistance R 4, resistance R 5, resistance R 6, resistance R 7, resistance R 8, resistance R 9, resistance R 10, resistance R 11, resistance R 12, capacitor C 0, capacitor C 1, capacitor C 2, capacitor C 3, diode D1, diode D2, light emitting diode D3, light emitting diode D4, button switch K 1, triode Q1, triode Q2, triode Q3 and controlled oscillator U1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320383700 CN203365533U (en) | 2013-06-29 | 2013-06-29 | Entire-loop AC self-check high-voltage electroscope |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320383700 CN203365533U (en) | 2013-06-29 | 2013-06-29 | Entire-loop AC self-check high-voltage electroscope |
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| CN203365533U true CN203365533U (en) | 2013-12-25 |
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| CN 201320383700 Expired - Fee Related CN203365533U (en) | 2013-06-29 | 2013-06-29 | Entire-loop AC self-check high-voltage electroscope |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103336168A (en) * | 2013-06-29 | 2013-10-02 | 国家电网公司 | Full-loop alternating-current self-test high-voltage electroscope |
| CN104181379A (en) * | 2014-08-21 | 2014-12-03 | 国家电网公司 | Capacitive high-voltage acousto-optic electroscope without electricity verification dead zone |
| CN104535825A (en) * | 2014-08-21 | 2015-04-22 | 国家电网公司 | Electroscopic method of high-voltage acousto-optic electroscope |
| CN107064606A (en) * | 2017-04-25 | 2017-08-18 | 国家电网公司 | A kind of high pressure power frequency self-monitoring electroscope |
| CN108333418A (en) * | 2018-05-03 | 2018-07-27 | 广东电网有限责任公司 | Puncture electroscope and electrician tool suit |
-
2013
- 2013-06-29 CN CN 201320383700 patent/CN203365533U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103336168A (en) * | 2013-06-29 | 2013-10-02 | 国家电网公司 | Full-loop alternating-current self-test high-voltage electroscope |
| CN103336168B (en) * | 2013-06-29 | 2015-08-19 | 国家电网公司 | A kind of Full-loop alternating-current self-test high-voltage electroscope |
| CN104181379A (en) * | 2014-08-21 | 2014-12-03 | 国家电网公司 | Capacitive high-voltage acousto-optic electroscope without electricity verification dead zone |
| CN104535825A (en) * | 2014-08-21 | 2015-04-22 | 国家电网公司 | Electroscopic method of high-voltage acousto-optic electroscope |
| CN107064606A (en) * | 2017-04-25 | 2017-08-18 | 国家电网公司 | A kind of high pressure power frequency self-monitoring electroscope |
| CN108333418A (en) * | 2018-05-03 | 2018-07-27 | 广东电网有限责任公司 | Puncture electroscope and electrician tool suit |
| CN108333418B (en) * | 2018-05-03 | 2024-01-09 | 广东电网有限责任公司 | Puncture test pencil and electrician tool set |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131225 Termination date: 20160629 |