CN204789735U - Multi -functional discharge detection device of high voltage capacitor - Google Patents
Multi -functional discharge detection device of high voltage capacitor Download PDFInfo
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- CN204789735U CN204789735U CN201520470679.0U CN201520470679U CN204789735U CN 204789735 U CN204789735 U CN 204789735U CN 201520470679 U CN201520470679 U CN 201520470679U CN 204789735 U CN204789735 U CN 204789735U
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Abstract
The utility model discloses a multi -functional discharge detection device of high voltage capacitor, it includes the detection case, keep silent and grounded bolt is connected, grounded bolt is through the ground connection jack connection on transparent insulating layer earth connection and the detection case, the ground connection jack is connected to function change over switch's input through the wire on the detection case, function change over switch's output respectively with test electric detecting element, the detecting element that discharges, residual voltage detecting element, electric capacity detecting element and the return circuit wire that directly discharges be connected, the problem of for the prior art the two poles of the earth of the direct short circuit of earth connection high pressure shunt capacitance ware discharge because a large amount of residual charge of condenser storage directly discharges and causes bodily injury to the staff easily, also cause equipment to damage simultaneously easily owing to lack and carry out the monitoring devices that the residual voltage was monitored to the condenser, can't judge whether the condenser still exists residual charge, causes test instrument's techniques such as damage easily is solved.
Description
Technical field
The utility model belongs to high-voltage capacitor measuring technology, particularly relates to the multi-functional discharging detection device of a kind of high-voltage capacitor.
Background technology
In electric system, often need to carry out inspection and maintenance to high-voltage parallel capacitor, when overhauling defective high-voltage capacitor, need to discharge to defective high-voltage parallel capacitor and electric capacity test, prior art is normally discharged with the two poles of the earth of the direct short circuit high-voltage parallel capacitor of ground wire, because capacitor stores a large amount of residual charges, directly electric discharge easily causes personal injury to staff, also easily causes device damage simultaneously.And whether prior art does not carry out the special purpose device of electrical verification to capacitor, make staff can not predict capacitor charged.And after directly discharging, owing to lacking monitoring device capacitor being carried out to residual voltage monitoring, cannot judge whether capacitor also exists residual charge, easily cause the damage of test instrumentation.
Utility model content
The technical problems to be solved in the utility model: provide a kind of high-voltage capacitor multi-functional discharging detection device, discharge with the two poles of the earth solving the direct short circuit high-voltage parallel capacitor of prior art ground wire, because capacitor stores a large amount of residual charges, direct electric discharge easily causes personal injury to staff, also easily causes device damage simultaneously.And whether prior art does not carry out the special purpose device of electrical verification to capacitor, make staff can not predict capacitor charged.And after directly discharging, owing to lacking monitoring device capacitor being carried out to residual voltage monitoring, cannot judge whether capacitor also exists residual charge, easily cause the technical matterss such as the damage of test instrumentation.
Technical solutions of the utility model:
The multi-functional discharging detection device of a kind of high-voltage capacitor, it comprises detection case, jaw is connected with earth stud, earth stud is connected with the earth jack on detection case by transparent insulating layer ground wire, on detection case, earth jack is wired to the input end of function change-over switch, and the output terminal of function change-over switch is connected with electrical verification detecting unit, discharge examination unit, residual voltage detecting unit, capacitance detection unit and direct discharge loop wire respectively.
Jaw is fixedly connected with insulating telescopic pipe by sizing flexible pipe.
Electrical verification detecting unit, discharge examination unit, residual voltage detecting unit are connected with data display screen wire respectively with capacitance detection unit.
The earth stud of detection case is connected with the earthing device of grounded screen by ground wire.
Described jaw combines jaw surely for dynamic.
The beneficial effects of the utility model:
The utility model is integrated in a unified detection case by needing each detecting unit of using, the dynamic jaw that surely combines by detection case during test is fixedly connected with the terminals of the sleeve pipe of high-voltage capacitor, by function change-over switch, realize the switching of detecting unit, the utility model only needs to carry out a high-voltage capacitor wiring can complete required various tests, structure is simple, handling safety is reliable, discharge in the two poles of the earth solving the direct short circuit high-voltage parallel capacitor of prior art ground wire, because capacitor stores a large amount of residual charges, direct electric discharge easily causes personal injury to staff, also easily cause device damage simultaneously.And whether prior art does not carry out the special purpose device of electrical verification to capacitor, make staff can not predict capacitor charged.And after directly discharging, owing to lacking monitoring device capacitor being carried out to residual voltage monitoring, cannot judge whether capacitor also exists residual charge, easily cause the technical matterss such as the damage of test instrumentation.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is utility model works principle schematic.
Embodiment
The multi-functional discharging detection device of a kind of high-voltage capacitor, it comprises detection case, jaw 2 is connected with earth stud 3, earth stud 3 is connected wires by transparent insulating layer and to be connected with the earth jack 7 on detection case as transparent insulating layer ground wire 6, on detection case, earth jack 7 is connected to the input end 22 of function change-over switch 20 by insulated conductor, and the output terminal of function change-over switch 20 is connected with electrical verification detecting unit 8, discharge examination unit 9, residual voltage detecting unit 10, capacitance detection unit 11 and direct discharge loop 21 wire respectively.
Battery case is connected with capacitance detection unit wire.
Jaw 2 is fixedly connected with insulating telescopic pipe 5 by sizing flexible pipe 4, and adopt sizing flexible pipe 4 to be convenient to the rotation of different directions, facilitate jaw 2 to mount the terminals of the sleeve pipe of high-voltage capacitor, insulating bar is telescopic structure, according to circumstances can regulate length.The dynamic earth stud determining that jaw is arranged, for connecting transparent insulating layer ground wire.
Electrical verification detecting unit 8, discharge examination unit 9, residual voltage detecting unit 10 are connected with data display screen wire respectively with capacitance detection unit 11, detection data are presented in real time on data display screen, conveniently check.
The earth stud 18 of detection case is connected with the earthing device of grounded screen by ground wire 19.
Described jaw 2 combines jaw surely for dynamic, and the dynamic jaw of combination surely conveniently can mount the terminals of the sleeve pipe of high-voltage capacitor.
Described detection case is also designed with the additional devices such as capacitance detecting button 12, reset button 13, battery capacity indication lamp 16 and power switch 17, facilitates manual operation and check duty.
Electrical verification detecting unit 8 is realized by direct current electrical verification measure loop, and loop comprises acoustic-optic alarm and voltage display device.
Discharge examination unit 9 is realized by the discharge examination loop in parallel with discharge resistance, and discharge examination comprises sound and light alarm and voltage display, and discharged by discharge resistance, reduce discharge current, guarantee equipment and personal safety, achieve interpolar and discharge over the ground in pole; Discharge off, acousto-optic instruction stops, and informs that testing crew electric discharge is complete.Indicated by the residual voltage in discharge examination loop, and when after instruction nulling, confirm discharge off.
Residual voltage detecting unit 10, when after discharge resistance electric discharge, due to the existence of recovery voltage between capacitor terminal, operating personnel, by the function change-over switch on detection case, switch to residual voltage detecting unit 10, display residual voltage situation.
Direct discharge loop 21, according to display residual voltage situation, by the function change-over switch on detection case.Switch to direct discharge loop 21, capacitor is thoroughly discharged, now without the need to taking off insulating bar, being equivalent to a ground wire and using, being convenient to the safety in testing crew work.
Capacitance detection unit 11, the function change-over switch on detection case need be switched to electric capacity detecting unit 11, can carry out electric capacity test, according to test case, when electric capacity is undesirable, then change capacitor by last.When electric capacity meets the requirements, without the need to changing, only need change and insuring.
Claims (5)
1. the multi-functional discharging detection device of high-voltage capacitor, it comprises detection case, it is characterized in that: jaw (2) is connected with earth stud (3), earth stud (3) is connected with the earth jack (7) on detection case by transparent insulating layer ground wire (6), on detection case, earth jack (7) is wired to the input end of function change-over switch (20), the output terminal of function change-over switch (20) respectively with electrical verification detecting unit (8), discharge examination unit (9), residual voltage detecting unit (10), capacitance detection unit (11) is connected with direct discharge loop (21) wire.
2. the multi-functional discharging detection device of a kind of high-voltage capacitor according to claim 1, is characterized in that: jaw (2) is fixedly connected with insulating telescopic pipe (5) by sizing flexible pipe (4).
3. the multi-functional discharging detection device of a kind of high-voltage capacitor according to claim 1, is characterized in that: electrical verification detecting unit (8), discharge examination unit (9), residual voltage detecting unit (10) are connected with data display screen wire respectively with capacitance detection unit (11).
4. the multi-functional discharging detection device of a kind of high-voltage capacitor according to claim 1, is characterized in that: the earth stud (18) of detection case is connected with the earthing device of grounded screen by ground wire (19).
5. the multi-functional discharging detection device of a kind of high-voltage capacitor according to claim 1, is characterized in that: described jaw (2) combines jaw surely for dynamic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520470679.0U CN204789735U (en) | 2015-07-03 | 2015-07-03 | Multi -functional discharge detection device of high voltage capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520470679.0U CN204789735U (en) | 2015-07-03 | 2015-07-03 | Multi -functional discharge detection device of high voltage capacitor |
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| Publication Number | Publication Date |
|---|---|
| CN204789735U true CN204789735U (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520470679.0U Active CN204789735U (en) | 2015-07-03 | 2015-07-03 | Multi -functional discharge detection device of high voltage capacitor |
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| CN (1) | CN204789735U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110161340A (en) * | 2019-06-04 | 2019-08-23 | 格力电器（武汉）有限公司 | Discharge device and test system |
| CN112003038A (en) * | 2020-08-14 | 2020-11-27 | 广东电网有限责任公司 | Capacitor discharging device and discharging method thereof |
| CN112834842A (en) * | 2020-12-31 | 2021-05-25 | 贵州电网有限责任公司 | High-voltage capacitor multifunctional discharge detection device convenient to use |
| CN113985225A (en) * | 2021-10-13 | 2022-01-28 | 中国南方电网有限责任公司超高压输电公司昆明局 | Capacitor discharge and measurement device |
| CN114236218A (en) * | 2021-11-30 | 2022-03-25 | 国网北京市电力公司 | Discharge assembly |
-
2015
- 2015-07-03 CN CN201520470679.0U patent/CN204789735U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110161340A (en) * | 2019-06-04 | 2019-08-23 | 格力电器（武汉）有限公司 | Discharge device and test system |
| CN112003038A (en) * | 2020-08-14 | 2020-11-27 | 广东电网有限责任公司 | Capacitor discharging device and discharging method thereof |
| CN112834842A (en) * | 2020-12-31 | 2021-05-25 | 贵州电网有限责任公司 | High-voltage capacitor multifunctional discharge detection device convenient to use |
| CN112834842B (en) * | 2020-12-31 | 2022-07-26 | 贵州电网有限责任公司 | Multi-functional discharge detection device of high-voltage capacitor convenient to use |
| CN113985225A (en) * | 2021-10-13 | 2022-01-28 | 中国南方电网有限责任公司超高压输电公司昆明局 | Capacitor discharge and measurement device |
| CN114236218A (en) * | 2021-11-30 | 2022-03-25 | 国网北京市电力公司 | Discharge assembly |
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