CN211318493U - Wiring device for circuit breaker test - Google Patents
Wiring device for circuit breaker test Download PDFInfo
- Publication number
- CN211318493U CN211318493U CN201921243598.1U CN201921243598U CN211318493U CN 211318493 U CN211318493 U CN 211318493U CN 201921243598 U CN201921243598 U CN 201921243598U CN 211318493 U CN211318493 U CN 211318493U
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- China
- Prior art keywords
- circuit breaker
- metal plug
- metal
- wiring device
- plug
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- 238000012360 testing method Methods 0.000 title claims abstract description 38
- 239000002184 metal Substances 0.000 claims abstract description 63
- 229910052751 metal Inorganic materials 0.000 claims abstract description 63
- 230000003068 static effect Effects 0.000 claims abstract description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 4
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 4
- 229910052709 silver Inorganic materials 0.000 claims description 4
- 239000004332 silver Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 4
- 238000004088 simulation Methods 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241000221535 Pucciniales Species 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
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Abstract
The utility model discloses a termination for circuit breaker is experimental, realize grafting complex metal plug including insulated handle and the moving contact that is used for simulating circuit breaker's static contact and circuit breaker, metal plug installs on insulated handle, metal plug has the metal connecting piece that is used for with experimental pin connection. The utility model discloses a static contact of metal plug simulation circuit breaker realizes the cooperation of pegging graft with the moving contact of circuit breaker, prevents that test data from appearing the deviation, has solved the problem that drops from the moving contact of circuit breaker easily among the current test fastener test process, has also avoided the problem that the current test fastener damaged the moving contact of circuit breaker easily, has improved experimental security and accuracy nature.
Description
Technical Field
The utility model relates to a termination especially relates to a termination for circuit breaker is experimental.
Background
The electric test personnel need be connected experimental wire and the moving contact of circuit breaker when carrying out 10 kilovolts of vacuum circuit breaker return circuit resistance test, generally adopt test fastener as termination at present, because the moving contact of circuit breaker adopts the plum blossom contact, the test wire presss from both sides easily and drops at the test process, and the equipment is damaged easily to the clamping process of test fastener simultaneously, influences experimental security and accuracy nature.
The test wire clamp is adopted as a wiring device, so that the following problems exist:
1. the clamping contact area of the test wire clamp is small, the wire clamp is heavy, and the wire clamp is easy to fall off after being clamped.
2. The silver coating and the spring of moving contact quincuncial piles are easily damaged by the test wire clamp.
3. The moving contact of the circuit breaker is a quincuncial pile contact, and the outer surface of the pile head of the circuit breaker is easily rusted, so that test data are inaccurate.
4. The moving contact and the static contact are combined in an inserting mode in the operation process of the circuit breaker, the test wire clamp cannot simulate the actual operation state, and the difference between the test result and the actual operation result is large.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in: technical problem to prior art exists, the utility model provides a prevent that test data from deviating, can not drop from the moving contact of circuit breaker during the test, and improve the experimental termination that is used for the circuit breaker of security and accuracy nature.
In order to solve the technical problem, the utility model provides a technical scheme does:
the utility model provides a termination for circuit breaker is experimental, includes insulating handle and is used for simulating the static contact of circuit breaker and the moving contact realization grafting complex metal plug of circuit breaker, metal plug installs on insulating handle, metal plug has and is used for the metal connecting piece of being connected with experimental lead wire electricity.
Preferably, the metal plug and the insulating handle are detachably connected through a metal connecting piece.
Preferably, the metal connecting piece is a bolt.
Preferably, the end of the test lead is provided with a metal connecting ring, and the metal connecting ring is sleeved on the bolt and clamped and fixed between the metal plug and the insulating handle.
Preferably, the metal plug is a copper plug.
Preferably, the outer surface of the copper plug is plated with a silver conductive layer.
Preferably, the metal plug is of a hollow cylindrical structure, and the end part of the metal plug is open and the root part of the metal plug is closed.
Preferably, the metal plug is a fixed contact of a circuit breaker.
Compared with the prior art, the utility model has the advantages of:
the utility model discloses a metal plug simulation circuit breaker's static contact realizes the cooperation of pegging graft with the moving contact of circuit breaker, can the direct contact to circuit breaker moving contact internal surface, can guarantee the firm safety of wiring through the increase stress point, can avoid the outer surface corrosion of quincuncial pile to influence the test result again, has guaranteed experimental safety and has improved the data accuracy.
Drawings
Fig. 1 is a cross-sectional view of a wiring device according to an embodiment of the present invention.
Fig. 2 is an external structural schematic diagram of a wiring device according to an embodiment of the present invention.
Illustration of the drawings: 1-a metal plug; 2-a metal connector; 3-an insulated handle; 11-test lead.
Detailed Description
The invention will be further described with reference to the drawings and specific preferred embodiments without limiting the scope of the invention.
Through a series of surveys and understanding of the moving contact structure and the static contact structure of the 10 kV vacuum circuit breaker, the fact that the moving contact structure and the static contact structure of the 10 kV vacuum circuit breaker are all designed according to the unified specification standard is found. Based on the design, the plug-in wiring device can be directly contacted with the inner surface of a moving contact of the circuit breaker, firm and safe wiring can be guaranteed by increasing stress points, the influence factor of corrosion on the outer surface of the quincuncial pile can be avoided, test safety is guaranteed, and data accuracy is improved.
As shown in fig. 1 and 2, the utility model discloses a termination for circuit breaker is experimental includes insulated handle 3 and is used for simulating the static contact of circuit breaker and the moving contact of circuit breaker to realize grafting complex metal plug 1, and metal plug 1 installs on insulated handle 3, and metal plug 1 has and is used for the metal connecting piece 2 of being connected with experimental lead wire 11 electricity. This embodiment adopts the static contact of metal plug 1 simulation circuit breaker and the movable contact grafting cooperation of circuit breaker, can make metal plug 1 and circuit breaker movable contact internal surface in close contact with, avoids termination to drop from the movable contact of circuit breaker among the experimentation, and the termination of this embodiment does not have the surface contact with the movable contact of circuit breaker simultaneously, avoids the movable contact surface corrosion of circuit breaker to influence test result. The experimental lead 11 of this embodiment can be for being fixed in the wire of return circuit resistance tester, and the tip and the metal connecting piece 2 of this wire can be dismantled and be connected, and the experimental lead 11 of this embodiment also can be independent wire, and the both ends of this wire can be dismantled with metal connecting piece 2 and return circuit resistance tester respectively and be connected, and the experimental lead 11 of this embodiment still can be for being fixed in the wire on the metal connecting piece 2, and the tip and the return circuit resistance tester of this wire can be dismantled and be connected.
As shown in fig. 1, the metal plug 1 and the insulating handle 3 in this embodiment are detachably connected through a metal connecting member 2, the metal connecting member 2 is in insertion fit or thread fit with the metal plug 1 and the insulating handle 3, the metal connecting member 2 in this embodiment is a bolt, a threaded hole is formed in the root of the metal plug 1, one end of the bolt is inserted into the threaded hole and is matched with the threaded hole, and the other end of the bolt is fixed to the insulating handle 3. The part that has realized the termination of this embodiment through above-mentioned structure can be replaced, when metal plug 1 rusts or is damaged, can dismantle back with insulating handle 3 and replace rusty or damaged metal plug 1 to practice thrift the cost, reduce extravagantly.
As shown in fig. 1 and fig. 2, the test lead 11 in this embodiment is an independent wire, two ends of the wire are detachably connected to the bolt and the loop resistance tester, respectively, one end of the test lead 11 connected to the bolt is provided with a metal connecting ring, and the metal connecting ring is sleeved on the bolt and is clamped and fixed between the metal plug 1 and the insulating handle 3. The structure realizes the electric connection between the metal plug 1 and the test lead 11, and the end part of the test lead 11 is provided with the metal connecting ring, so that the test lead 11 can be conveniently mounted and dismounted on the wiring device.
In this embodiment, the metal plug 1 is a copper plug, so that the metal plug 1 has better conductivity, and in this embodiment, a silver conductive layer is further plated on the outer surface of the copper plug, thereby further enhancing the conductivity of the metal plug 1.
As shown in fig. 1, in order to reduce weight, in this embodiment, the metal plug 1 has a hollow cylindrical structure, and the end portion of the metal plug 1 is open and the root portion is closed.
In this embodiment, the metal plug 1 may directly adopt a fixed contact of a circuit breaker, which can save manufacturing cost and facilitate mass production.
The foregoing is illustrative of the preferred embodiment of the present invention and is not to be construed as limiting the invention in any way. Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention should fall within the protection scope of the technical solution of the present invention.
Claims (8)
1. The utility model provides a termination for circuit breaker is experimental, its characterized in that, realizes grafting complex metal plug (1) including insulating handle (3) and the moving contact that is used for simulating the static contact of circuit breaker and circuit breaker, metal plug (1) is installed on insulating handle (3), metal plug (1) has and is used for metal connecting piece (2) of being connected with experimental lead wire (11) electricity.
2. The wiring device for circuit breaker tests according to claim 1, characterized in that the metal plug (1) and the insulating handle (3) are removably connected by a metal connector (2).
3. The wiring device for circuit breaker tests according to claim 2, characterized in that said metallic connectors (2) are bolts.
4. The wiring device for circuit breaker tests as defined in claim 3, characterized in that the end of the test lead (11) is provided with a metal connecting ring, which is sleeved on the bolt and clamped and fixed between the metal plug (1) and the insulated handle (3).
5. The wiring device for circuit breaker tests according to claim 1, characterized in that said metal plug (1) is a copper plug.
6. The wiring device for circuit breaker testing according to claim 5, wherein the outer surface of said copper plug is plated with a silver conductive layer.
7. The wiring device for circuit breaker tests according to claim 1, characterized in that the metal plug (1) is of a hollow cylindrical structure, and the end part of the metal plug (1) is open and the root part is closed.
8. The wiring device for circuit breaker tests according to claim 1, characterized in that said metal plug (1) is a static contact of a circuit breaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921243598.1U CN211318493U (en) | 2019-08-02 | 2019-08-02 | Wiring device for circuit breaker test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921243598.1U CN211318493U (en) | 2019-08-02 | 2019-08-02 | Wiring device for circuit breaker test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211318493U true CN211318493U (en) | 2020-08-21 |
Family
ID=72064438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921243598.1U Active CN211318493U (en) | 2019-08-02 | 2019-08-02 | Wiring device for circuit breaker test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211318493U (en) |
-
2019
- 2019-08-02 CN CN201921243598.1U patent/CN211318493U/en active Active
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