CN105424986A - Auxiliary apparatus for high-voltage testing of 10-kV vacuum circuit breaker - Google Patents
Auxiliary apparatus for high-voltage testing of 10-kV vacuum circuit breaker Download PDFInfo
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- CN105424986A CN105424986A CN201510823991.8A CN201510823991A CN105424986A CN 105424986 A CN105424986 A CN 105424986A CN 201510823991 A CN201510823991 A CN 201510823991A CN 105424986 A CN105424986 A CN 105424986A
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- circuit breaker
- vacuum circuit
- clamping part
- servicing unit
- test clamping
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Abstract
The invention discloses an auxiliary apparatus for high-voltage testing of a 10-kV vacuum circuit breaker. An insulating fixed plate and conductive devices with the appearances and numbers matching those of contacts of a vacuum circuit breaker are arranged; and contact adaption parts and testing clamping parts are arranged on the conductive devices and are arranged at two sides of the fixed plate adjustably. When loop resistance testing is carried out on the vacuum circuit breaker, the fixed plate is held to enable the contact adaption parts of the conductive devices to be aligned at contacts of the vacuum circuit breaker; and the fixed plate is pushed with the large force, so that the contact adaption parts are inserted into the contacts of the vacuum circuit breaker completely. At this time, the testing clamping parts arranged at the other side of the fixed plate are connected to voltage clamps or current clamps to complete loop resistance testing of the vacuum circuit breaker. With the auxiliary apparatus, a phenomenon that the circular contact finger spring of the vacuum circuit breaker is heated and burned because of lack of correct wiring position due to direct contact of the testing clamp with the contact of the vacuum circuit breaker can be avoided; and the repairing and testing efficiency is high.
Description
Technical field
The present invention relates to vacuum circuit breaker checking experiment field, refer more particularly to a kind of servicing unit of 10kv vacuum circuit breaker high-potting.
Background technology
AC high voltage vacuum breaker as major control in electric system and proterctive equipment, reliability is high, cut-off capacity large, be applicable to the series of advantages such as frequent operation, be obtained in all trades and professions and every field and applied more and more widely.So vacuum circuit breaker just starts in enormous quantities, the production of scale, this just requires in the inspection work of product export, produces and damages, reduce the loss and increase work efficiency when prevent some Interventions Requested from checking to some parts of product.The high-potting main for 10kV vacuum circuit breaker mainly contains: megger test, loop resistance test, voltage-withstand test.In loop resistance test, 10kV vacuum circuit breaker needs under "on" position, upper to vacuum circuit breaker, lower Mume flower contact adds voltage clamp, current clamp, and add that 100A (ampere) and above big current are tested at current clamp, under so large big current, the structured material that electric current flows through, very easily to generate heat distortion, even burn phenomenon to occur, traditional method of testing is that voltage clamp inserts the Mume flower contact of vacuum circuit breaker and clamps together with current clamp, 200A (ampere) high-current test is added after then connecting, when voltage clamp and current clamp insert Mume flower contact simultaneously, current clamp can encounter coil component spring, when current clamp flows through 200A (ampere) big current, very easily cause camber of spring, phenomenon is burnt time serious, in addition, this traditional method of testing is owing to only touching one of them small contact of Mume flower contact by voltage clamp and current clamp, can not the test case of real embodiment 10kV vacuum circuit breaker under Mume flower contact contacts completely.
Summary of the invention
In order to solve the above-mentioned problems in the prior art, the invention provides and a kind ofly actual response test case and available protecting can be detected the servicing unit for 10kv vacuum circuit breaker high-potting of equipment.
Technical scheme provided by the invention is as follows: comprise electric installation, fixed head and locking device, described electric installation is fixed on described fixed head by described locking device adjustable ground, on described fixed head, corresponding described electric installation offers pilot hole, described electric installation comprises contact locking portion and is installed in the test clamping part on described contact locking portion, described test clamping part is through described pilot hole, described test clamping part coordinates with described locking device through the part of pilot hole, by this cooperation, described contact locking portion and test clamping part are locked on described fixed head.
In the preferred embodiment, the quantity Matching contacts for vacuum-break switches quantity of described electric installation is arranged, the quantity of electric installation described in the quantity Matching of described pilot hole is arranged, and the contact position arrangement of the position arrangement coupling vacuum circuit breaker of described pilot hole is arranged.
In the preferred embodiment, the quantity of described electric installation and described pilot hole is all set to 3, and described pilot hole is set to strip.
In the preferred embodiment, described contact locking portion comprises connecting portion and adapter head, described connecting portion is used for affixed adapter head and described test clamping part, the form fit contacts for vacuum-break switches profile of described adapter head is arranged, and described adapter head and described test retained part are not positioned at the both sides of fixed head.
In the preferred embodiment, described connecting portion and the integrated setting of described adapter head, described connecting portion and described adapter head are all set to cylindrical, and one end of described adapter head is provided with conical lead angle, and the outside surface of described connecting portion and described adapter head is all coated with one deck silver.
In the preferred embodiment, the brass that described contact locking portion and described test clamping part are not less than 99.99% by purity is made, described contact locking portion and the integrated setting of described test clamping part.
In the preferred embodiment, described test clamping part is set to round bar shape, described test clamping part and described contact locking portion are arranged with axis, described test clamping part is provided with the thread that the described locking device of coupling screws, between described test clamping part and described locking device, is also provided with conductive spacer.
In the preferred embodiment, the external diameter of described connecting portion is greater than the aperture setting of described pilot hole, and the external diameter of described test clamping part is less than the aperture setting of described pilot hole.
In the preferred embodiment, described fixed head is made up of epoxide resin material.
In the preferred embodiment, described fixed head is symmetrically arranged with two anti-bracket and two handles of contacting to earth rotatably reclaimed.
The beneficial effect that the present invention produces is: this servicing unit being used for 10kv vacuum circuit breaker high-potting is by arranging the fixed head of insulation and mating the electric installation of contacts for vacuum-break switches profile and quantity setting, and contact locking portion and test clamping part are set on electric installation, contact locking portion and test clamping part adjustable ground are arranged on the both sides of fixed head, when carrying out loop resistance test to vacuum circuit breaker, fixed head firmly pushes after the contact locking portion of electric installation is aimed at contacts for vacuum-break switches thus makes contact locking portion insert contacts for vacuum-break switches completely by hand-held fixed head, now the test clamping part of fixed head opposite side connected voltage clamp or current clamp thus complete the loop resistance test of vacuum circuit breaker, at the end of the resistance test of galvanic circle, need when carrying out withstand voltage test to 10kV vacuum circuit breaker to carry out the wiring of three-phase short circuit, the test clamping part connected can be carried out the wiring of three-phase short circuit as short circuit point with fixed head, this servicing unit being used for 10kv vacuum circuit breaker high-potting avoids test clip and directly contacts contacts for vacuum-break switches and make because causing without correct wiring position the circular fingertip spring heating of vacuum circuit breaker to burn out, the configuration design of contact locking portion makes contact locking portion fully can contact with three contacts for vacuum-break switches thus make test result more truly can reflect the actual charging operation operating mode of vacuum circuit breaker, and this servicing unit has easy to operate, this servicing unit is used to have the high advantage of checking experiment efficiency.
Accompanying drawing explanation
Fig. 1 is the side view of the servicing unit for 10kv vacuum circuit breaker high-potting of the present invention;
Fig. 2 is for the present invention shown in Fig. 1 is for the top view of the servicing unit of 10kv vacuum circuit breaker high-potting;
Fig. 3 is for the present invention shown in Fig. 1 is for the upward view of the servicing unit of 10kv vacuum circuit breaker high-potting;
Fig. 4 is the top view of the present invention for the fixed head in the servicing unit of 10kv vacuum circuit breaker high-potting;
Fig. 5 is the stereographic map of the present invention for the electric installation in the servicing unit of 10kv vacuum circuit breaker high-potting;
Fig. 6 is the stereographic map of the present invention for the locking device in the servicing unit of 10kv vacuum circuit breaker high-potting.
Embodiment
See Fig. 1 to Fig. 6, this servicing unit 100 being used for 10kv vacuum circuit breaker high-potting comprises electric installation 10, fixed head 20 and locking device 30, electric installation 10 is fixed on fixed head 20 by locking device 30 adjustable ground, fixed head 20 is made up of the epoxide resin material insulating, the test clamping part 12 that electric installation 10 comprises contact locking portion 11 and is installed on contact locking portion 11, the brass that contact locking portion 11 and test clamping part 12 are not less than 99.99% by purity is made, on fixed head 20, corresponding electric installation 10 offers pilot hole 21, test clamping part 12 through coordinate with locking device 30 after pilot hole 21 thus by contact locking portion 11 with test the both sides that clamping part 12 is locked in fixed head 20.Electric installation 10 and pilot hole 21 are all set to 3 according to the Mume flower contact (not shown) number of vacuum circuit breaker, pilot hole 21 is equidistantly arranged on fixed head 20, pilot hole 21 is set to strip so that the spacing of fine setting electric installation 10 on fixed head 20, and the pore size of pilot hole 21 is can allow test clamping part 12 pass but contact locking portion 11 can not be allowed through arranging.Contact locking portion 11 comprises connecting portion 111 and adapter head 112, connecting portion 111 is for connecting adapter head 112 and test clamping part 12, the form fit contacts for vacuum-break switches profile of adapter head 112 is arranged, connecting portion 111 and adapter head 112 are all set to cylindrical, one end of adapter head 112 is provided with conical lead angle 1121, the effect of conical lead angle 1121 mainly guides adapter head 112 successfully to insert the upper and lower Mume flower contact of 10kV vacuum circuit breaker, thus play guiding, fixation, and then ensure adapter head 112 can with Mume flower contact close contact.The outside surface of connecting portion 111 and adapter head 112 is all coated with one deck silver to reduce the loop resistance value of this electric installation 10 self, and loop resistance value is controlled within 3 μ Ω.Test clamping part 12 is set to round bar shape, test clamping part 12 is arranged with axis with contact locking portion 11, test clamping part 12 adopts melting welding mode to fuse into one with contact locking portion 11, test clamping part 12 is provided with the thread 121 that coupling locking device 30 screws, locking device 30 adopts nut made of copper, the screw thread (not shown) of coupling thread 121 is provided with in locking device 30, conductive spacer 40 is also provided with between test clamping part 12 and locking device 30, conductive spacer 40 is mainly used in coordinating contact locking portion 11, contact locking portion 11 can be securely fastened on fixed head 20.
See Fig. 3 and Fig. 4, fixed head 20 is symmetrically arranged with two anti-bracket 22 and two handles 23 of contacting to earth rotatably reclaimed, when this servicing unit 100 is placed on platform, opens bracket 22 and make the metallic member of whole servicing unit 100 can not contact to earth to prevent the electric installation 10 that weares and teares; Handle 23 makes the convenient operation of this servicing unit 100, hold two side grips 23 and aim at vacuum circuit breaker Mume flower contact, just can easily push into, fixed head 20 is provided with spring blind 221 in corresponding anti-bracket 22 mounting groove that contacts to earth, do not use anti-contact to earth bracket 22 time taken in fixed head 20 by spring blind 221, during to open, only need promote the anti-bracket 22 that contacts to earth gently and can be opened into respective angles.
During use, 1) first the round bar shape of electric installation 10 test clamping part 12 is inserted in the pilot hole 21 of fixed head 20, penetrate the test clamping part 12 exposed from the opposite side of fixed head 20 with conductive spacer 40, and the thread 121 of test clamping part 12 is locked with locking device 30, make electric installation 10 be fixed on fixed head 20; 2) three electric installations 10 are all fixed on the Mume flower contact after on fixed head 20, the contact locking portion 11 of electric installation 10 being aimed at 10kV vacuum circuit breaker, suitable adjustment three position locations of electric installation 10 in pilot hole 21, and again fix locked with locking device 30; 3) after the Mume flower contact of contact locking portion 11 position alignment 10kV vacuum circuit breaker, hold two side grips 23 firmly whole fixed head 20 to be pushed, Mume flower contact is opened completely and fully contacts with three contact locking portions 11, the cylindrical test clamping part 12 that voltage clamp or current clamp (not shown) are clipped in fixed head 20 opposite side can carry out loop resistance test, when loop resistance test terminate rear in advance withstand voltage test is carried out to 10kV vacuum circuit breaker time, the test clamping part 12 that fixed head 20 connects can be carried out the wiring of three-phase short circuit as short circuit point.After a 10kV vacuum circuit breaker test terminates, pull up when fixed head 20 carries out next 10kV vacuum circuit breaker of the same type and no longer need to adjust, direct insertion Mume flower contact, when therefore multiple stage vacuum circuit breaker being needed to carry out checking experiment, not only operation quality can be improved, and shorten the activity duration, raise the efficiency.
In sum, this servicing unit 100 being used for 10kv vacuum circuit breaker high-potting is by arranging the fixed head 20 of insulation and mating the electric installation 10 of contacts for vacuum-break switches profile and quantity setting, and contact locking portion 11 and test clamping part 12 are set on electric installation 10, contact locking portion 11 and test clamping part 12 adjustable ground are arranged on the both sides of fixed head 20, when carrying out loop resistance test to vacuum circuit breaker, firmly fixed head 20 pushed after the contact locking portion 11 of electric installation 10 is aimed at contacts for vacuum-break switches by the handle 23 on hand-held fixed head 20 thus make contact locking portion 11 insert contacts for vacuum-break switches completely, now the test clamping part being exposed at fixed head 20 opposite side connected voltage clamp or current clamp thus complete the loop resistance test of vacuum circuit breaker, at the end of the resistance test of galvanic circle, need when carrying out withstand voltage test to 10kV vacuum circuit breaker to carry out the wiring of three-phase short circuit, the test clamping part 12 connected can be carried out the wiring of three-phase short circuit as short circuit point with fixed head 20, this servicing unit 100 being used for 10kv vacuum circuit breaker high-potting avoids test clip and directly contacts contacts for vacuum-break switches and make because causing without correct wiring position the circular fingertip spring heating of vacuum circuit breaker to burn out, and the configuration design of contact locking portion 11 makes contact locking portion 11 fully can contact with three contacts for vacuum-break switches thus make test result more truly can reflect the actual charging operation operating mode of vacuum circuit breaker, and this servicing unit 100 has easy to operate, this servicing unit 100 is used to have the high advantage of checking experiment efficiency.
Above are only a specific embodiment of the present invention, but design concept of the present invention is not limited thereto, all changes utilizing this design the present invention to be carried out to unsubstantiality, all should belong to the behavior of invading scope.
Claims (10)
1. the servicing unit for 10kv vacuum circuit breaker high-potting, it is characterized in that: comprise electric installation, fixed head and locking device, described electric installation is fixed on described fixed head by described locking device adjustable ground, on described fixed head, corresponding described electric installation offers pilot hole, described electric installation comprises contact locking portion and is installed in the test clamping part on described contact locking portion, described test clamping part is through described pilot hole, described test clamping part coordinates with described locking device through the part of pilot hole, by this cooperation, described contact locking portion and test clamping part are locked on described fixed head.
2. the servicing unit for 10kv vacuum circuit breaker high-potting according to claim 1, it is characterized in that: the quantity Matching contacts for vacuum-break switches quantity of described electric installation is arranged, the quantity of electric installation described in the quantity Matching of described pilot hole is arranged, and the contact position arrangement of the position arrangement coupling vacuum circuit breaker of described pilot hole is arranged.
3. the servicing unit for 10kv vacuum circuit breaker high-potting according to claim 2, is characterized in that: the quantity of described electric installation and described pilot hole is all set to 3, and described pilot hole is set to strip.
4. the servicing unit for 10kv vacuum circuit breaker high-potting according to claim 1, it is characterized in that: described contact locking portion comprises connecting portion and adapter head, described connecting portion is used for affixed adapter head and described test clamping part, the form fit contacts for vacuum-break switches profile of described adapter head is arranged, and described adapter head and described test retained part are not positioned at the both sides of fixed head.
5. the servicing unit for 10kv vacuum circuit breaker high-potting according to claim 4, it is characterized in that: described connecting portion and the integrated setting of described adapter head, described connecting portion and described adapter head are all set to cylindrical, one end of described adapter head is provided with conical lead angle, and the outside surface of described connecting portion and described adapter head is all coated with one deck silver.
6. the servicing unit for 10kv vacuum circuit breaker high-potting according to claim 1, it is characterized in that: the brass that described contact locking portion and described test clamping part are not less than 99.99% by purity is made, described contact locking portion and the integrated setting of described test clamping part.
7. the servicing unit for 10kv vacuum circuit breaker high-potting according to claim 1, it is characterized in that: described test clamping part is set to round bar shape, described test clamping part and described contact locking portion are arranged with axis, described test clamping part is provided with the thread that the described locking device of coupling screws, between described test clamping part and described locking device, is also provided with conductive spacer.
8. the servicing unit for 10kv vacuum circuit breaker high-potting according to claim 5 or 7, it is characterized in that: the external diameter of described connecting portion is greater than the aperture setting of described pilot hole, the external diameter of described test clamping part is less than the aperture setting of described pilot hole.
9. the servicing unit for 10kv vacuum circuit breaker high-potting according to claim 1, is characterized in that: described fixed head is made up of epoxide resin material.
10. the servicing unit for 10kv vacuum circuit breaker high-potting according to claim 1, is characterized in that: described fixed head is symmetrically arranged with two anti-bracket and two handles of contacting to earth rotatably reclaimed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510823991.8A CN105424986B (en) | 2015-11-24 | 2015-11-24 | A kind of auxiliary device for 10kv vacuum circuit breaker high-potting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510823991.8A CN105424986B (en) | 2015-11-24 | 2015-11-24 | A kind of auxiliary device for 10kv vacuum circuit breaker high-potting |
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| Publication Number | Publication Date |
|---|---|
| CN105424986A true CN105424986A (en) | 2016-03-23 |
| CN105424986B CN105424986B (en) | 2019-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510823991.8A Active CN105424986B (en) | 2015-11-24 | 2015-11-24 | A kind of auxiliary device for 10kv vacuum circuit breaker high-potting |
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Cited By (5)
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| CN105891556A (en) * | 2016-05-31 | 2016-08-24 | 国网浙江东阳市供电公司 | Large-current test connection device |
| CN106199417A (en) * | 2016-08-30 | 2016-12-07 | 安徽中电兴发与鑫龙科技股份有限公司 | A kind of chopper performance test fixture |
| CN106404369A (en) * | 2016-09-27 | 2017-02-15 | 国网上海市电力公司 | Device and method for testing deterioration performance of bus pile head contact finger spring of switch cabinet |
| CN107132416A (en) * | 2017-04-24 | 2017-09-05 | 李世明 | A kind of loop resistance method of testing |
| CN113655379A (en) * | 2021-08-20 | 2021-11-16 | 贵州振华群英电器有限公司（国营第八九一厂） | Device for measuring voltage drop of high-voltage direct-current contactor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105891556A (en) * | 2016-05-31 | 2016-08-24 | 国网浙江东阳市供电公司 | Large-current test connection device |
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| CN106404369A (en) * | 2016-09-27 | 2017-02-15 | 国网上海市电力公司 | Device and method for testing deterioration performance of bus pile head contact finger spring of switch cabinet |
| CN106404369B (en) * | 2016-09-27 | 2019-03-12 | 国网上海市电力公司 | Device and method for the deterioration performance test of switch cabinet bus pile crown fingertip spring |
| CN107132416A (en) * | 2017-04-24 | 2017-09-05 | 李世明 | A kind of loop resistance method of testing |
| CN113655379A (en) * | 2021-08-20 | 2021-11-16 | 贵州振华群英电器有限公司（国营第八九一厂） | Device for measuring voltage drop of high-voltage direct-current contactor |
| CN113655379B (en) * | 2021-08-20 | 2024-05-24 | 贵州振华群英电器有限公司（国营第八九一厂） | Device for measuring voltage drop of high-voltage direct-current contactor |
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