CN207764289U - Portable high-pressure switchs divide-shut brake voltage, resistance testing device - Google Patents
Portable high-pressure switchs divide-shut brake voltage, resistance testing device Download PDFInfo
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- CN207764289U CN207764289U CN201720925713.8U CN201720925713U CN207764289U CN 207764289 U CN207764289 U CN 207764289U CN 201720925713 U CN201720925713 U CN 201720925713U CN 207764289 U CN207764289 U CN 207764289U
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Abstract
The utility model is related to high-voltage switch gear technical field of measurement and test, especially a kind of portable high-pressure switchs divide-shut brake voltage, resistance testing device, including binding post, master switch, scribing line rheostat, testing button, ohmmeter and voltmeter, terminal positive connects slide-wire rheostat by master switch, the other end of slide-wire rheostat passes through testing button normally closed contact, master switch connects terminal negative, the tap of slide-wire rheostat leads to test lead by testing button normally closed contact conducting wire, ohmmeter and voltmeter are all attempted by the negative terminal and test lead of slide-wire rheostat by the normally opened ground connection of testing button.Present apparatus opening and closing resistor can similarly hereinafter walk progress with voltage in same wiring, test wire need not be disconnected repeatedly, divide-shut brake voltage tester is carried out using high-voltage switch gear operation circuit DC power supply itself, without additional power source, test divide-shut brake voltage results are more more authentic and valid than external dc formula test device.
Description
Technical field
The utility model is related to high-voltage switch gear technical field of measurement and test, especially a kind of portable high-pressure switch divide-shut brake electricity
Pressure, resistance testing device.
Background technology
Existing test method opening and closing resistor can not similarly hereinafter walk progress with voltage in same wiring, need to disconnect examination repeatedly
Line is tested, test mode is very cumbersome.In addition, needing additional power source when test, test divide-shut brake voltage results are not accurate enough.
Utility model content
In order to overcome the shortcomings of that existing test method is cumbersome and test result is not accurate enough, the utility model provides
A kind of portable high-pressure switch divide-shut brake voltage, resistance testing device.
Technical solution adopted by the utility model to solve its technical problems is：A kind of portable high-pressure switch divide-shut brake electricity
Pressure, resistance testing device, including binding post, master switch, scribing line rheostat, testing button, ohmmeter and voltmeter, binding post is just
Pole connects slide-wire rheostat by master switch, and the other end of slide-wire rheostat is connected by testing button normally closed contact, master switch
Terminal negative is connect, the tap of slide-wire rheostat leads to test lead, ohmmeter and electricity by testing button normally closed contact conducting wire
Pressure table is all attempted by the negative terminal and test lead of slide-wire rheostat by the normally opened ground connection of testing button.
The utility model has the beneficial effects that present apparatus opening and closing resistor can similarly hereinafter walk progress with voltage in same wiring,
Test wire need not be disconnected repeatedly, carried out divide-shut brake voltage tester using high-voltage switch gear operation circuit DC power supply itself, be not necessarily to
Additional power source, test divide-shut brake voltage results are more more authentic and valid than external dc formula test device.
Description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is combined floodgate test schematic；
Fig. 2 is separating brake test schematic.
Specific implementation mode
If Fig. 1,2 are the structural schematic diagrams of the utility model, a kind of portable high-pressure switch divide-shut brake voltage, resistance test
Device, including binding post C, master switch QF, scribing line rheostat RP, testing button S, ohmmeter R and voltmeter V, binding post C anodes
The other end by master switch QF connections slide-wire rheostat RP, slide-wire rheostat RP passes through testing button S normally closed contacts, master switch
QF connections connect binding post C cathode, and the tap of slide-wire rheostat RP leads to test lead T by testing button S normally closed contact conducting wires,
Ohmmeter R and voltmeter V is attempted by the negative terminal and test lead T of slide-wire rheostat RP by the normally opened ground connection of testing button S.
The part that entire binding post C, scribing line rheostat RP, testing button S, ohmmeter R and voltmeter V are formed is test
Window.
Test method when combined floodgate, such as Fig. 1：
（1）Switching-on resistance test method：The normal energy storage of high-voltage switch gear stored energy mechanism, binding post C cathode are connect by test wire
High-voltage switch gear controls power supply negative terminal 102, and binding post C anodes connect high-voltage switch gear by test wire and control power positive end 101, test lead
T is by testing wire bonding lock entrance 103.It pulls open high-voltage switch gear itself and controls power supply, close master switch QF, press testing button S,
Ohmmeter R readings are switching-on resistance.
（2）Switching voltage test method：The normal energy storage of high-voltage switch gear stored energy mechanism, binding post C cathode are connect by test wire
High-voltage switch gear controls power supply negative terminal 102, and binding post C anodes connect high-voltage switch gear by test wire and control one anode 101 of power supply, test
Hold T by testing wire bonding lock entrance 103.It serves high-voltage switch gear itself and controls power supply, close master switch QF, by rheostat of crossing
The ascending adjustment of RP, while voltmeter V is paid close attention to, voltmeter V readings are high-voltage switch gear switching voltage when master switch QF closes a floodgate.
Test method when separating brake, such as Fig. 2：
（1）Sub-gate resistance test method：The normal energy storage of high-voltage switch gear stored energy mechanism, binding post C cathode are connect by test wire
High-voltage switch gear controls power supply negative terminal 102, and binding post C anodes connect high-voltage switch gear by test wire and control power positive end 101, test lead
T is by testing wire bonding lock entrance 133.It pulls open high-voltage switch gear itself and controls power supply, close master switch QF, press testing button S,
Ohmmeter R readings are switching-on resistance.
（2）Separating brake voltage test method：The normal energy storage of high-voltage switch gear stored energy mechanism, binding post C cathode are connect by test wire
High-voltage switch gear controls power supply negative terminal 102, and binding post C anodes connect high-voltage switch gear by test wire and control one anode 101 of power supply, test
Hold T by testing wire bonding lock entrance 133.It serves high-voltage switch gear itself and controls power supply, close master switch QF, by rheostat of crossing
The ascending adjustment of RP, while voltmeter V is paid close attention to, voltmeter V readings are high-voltage switch gear switching voltage when switch closes a floodgate.
High pressure split-phase switch, to avoid switching multiple action, can exit during the test by above-mentioned steps progress is mutually pressed
Switch non-whole phase protection pressing plate.
It is described above to be merely exemplary for the utility model, and not restrictive, those of ordinary skill in the art
Understand, in the case where not departing from spirit and scope as defined in the appended claims, many modifications can be made, change or wait
Effect, but all will fall within the protection scope of the utility model.
Claims (1)
1. a kind of portable high-pressure switch divide-shut brake voltage, resistance testing device, characterized in that including binding post（C）, master switch
（QF）, scribing line rheostat（RP）, testing button（S）, ohmmeter（R）And voltmeter（V）, binding post（C）Anode passes through master switch
（QF）Connect slide-wire rheostat（RP）, slide-wire rheostat（RP）The other end pass through testing button（S）Normally closed contact, master switch
（QF）Connect binding post（C）Cathode, slide-wire rheostat（RP）Tap pass through testing button（S）Normally closed contact conducting wire is led to
Test lead（T）, ohmmeter（R）And voltmeter（V）All pass through testing button（S）Normally opened ground connection is attempted by slide-wire rheostat（RP）'s
Negative terminal and test lead（T）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720925713.8U CN207764289U (en) | 2017-07-28 | 2017-07-28 | Portable high-pressure switchs divide-shut brake voltage, resistance testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720925713.8U CN207764289U (en) | 2017-07-28 | 2017-07-28 | Portable high-pressure switchs divide-shut brake voltage, resistance testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207764289U true CN207764289U (en) | 2018-08-24 |
Family
ID=63179347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720925713.8U Active CN207764289U (en) | 2017-07-28 | 2017-07-28 | Portable high-pressure switchs divide-shut brake voltage, resistance testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207764289U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110412373A (en) * | 2019-07-23 | 2019-11-05 | 安徽升隆电气有限公司 | A kind of switchgear fault early warning system and its replacing options |
| CN111261448A (en) * | 2020-01-07 | 2020-06-09 | 平高集团有限公司 | Circuit breaker |
-
2017
- 2017-07-28 CN CN201720925713.8U patent/CN207764289U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110412373A (en) * | 2019-07-23 | 2019-11-05 | 安徽升隆电气有限公司 | A kind of switchgear fault early warning system and its replacing options |
| CN110412373B (en) * | 2019-07-23 | 2021-08-27 | 安徽升隆电气有限公司 | Switch cabinet fault early warning system and replacement method thereof |
| CN111261448A (en) * | 2020-01-07 | 2020-06-09 | 平高集团有限公司 | Circuit breaker |
| CN111261448B (en) * | 2020-01-07 | 2022-07-05 | 平高集团有限公司 | Circuit breaker |
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