CN205982333U - Power equipment electric current secondary circuit short circuit device - Google Patents
Power equipment electric current secondary circuit short circuit device Download PDFInfo
- Publication number
- CN205982333U CN205982333U CN201621003957.2U CN201621003957U CN205982333U CN 205982333 U CN205982333 U CN 205982333U CN 201621003957 U CN201621003957 U CN 201621003957U CN 205982333 U CN205982333 U CN 205982333U
- Authority
- CN
- China
- Prior art keywords
- power equipment
- electric current
- short circuit
- circuit device
- shorting stub
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a power equipment electric current secondary circuit short circuit device relates to power equipment technical field, mainly includes tester, shorting stub and gasket. Through setting up a plurality of binding post on the tester, the simulation field connection, can be fast just while testing rather than each section short circuit performance of assorted shorting stub. Wire copper nose in gasket and the shorting stub is provided with the internal thread, can play fastening screw's effect, prevents that the screw from droing. The shorting stub adopts the patchcord welding to realize, ensures that the short circuit is reliable and improves maneuverability. The utility model provides a power equipment electric current secondary circuit short circuit device can the short -term test shorting stub the short circuit performance, the shorting stub that contains has advantages such as strong operability, short circuit weak point consuming time, security height to can be independent of the short circuit device and use outward, can realize the short circuit fast, improve work efficiency.
Description
Technical field
This utility model is related to electrical equipment technical field, more particularly, to power equipment electric current secondary loop short-circuit device.
Background technology
Work to take safety measures on running CT secondary circuit and test loop is effectively isolated with operating loop, at present
Commonly use the method making shorting stub by oneself by the reliability short circuit sealing of current external loop, then open corresponding circuit connection sheet to realize.For
Avoid executing operation CT second open circuit during safety measure and seriously threaten the person and equipment safety, except taking necessary safeguard procedures
Outward, shorting stub should meet safe and reliable requirement, and short circuit process operation should be safe and simple.It is manual that traditional short circuit mode passes through scene
Make shorting stub and carry out short circuit, typically adopt 2.5mm2The rigid line self-control of above line footpath, shorting stub docking port coil manufacturing technology
Have high demands it is desirable to coil size is suitable, suitable one-time-reach-place, it is to avoid lead to shorting stub to fracture because repeatedly repeatedly bending, affect short circuit
Reliability.Meanwhile, during the short circuit of loop, during furbuckles, screw easily comes off, and during wiring, the adjustment of rigid line spacing is difficult,
Impact work efficiency.In addition, shorting stub typically adopts circuit tester simple test break-make after completing, and can only sectionalization test,
Lack simplification and reliability.By analysis, traditional short circuit mode has self-control, and short circuit Wiring technology is coarse, short circuit is time-consuming relatively
Problem long, that safety is not enough.Therefore, it is necessary to optimize shorting stub interface structure, adopt an effective measure and be further ensured that short circuit
Mode is safe and reliable, and it is simple and quick to realize short circuit process, improves work efficiency.
Utility model content
For above deficiency, the purpose of this utility model is to provide a kind of to be capable of the quick, electric power of safety work and set
Standby electric current secondary loop short-circuit device.
For reaching above-mentioned purpose, this utility model adopts the following technical scheme that：
A kind of power equipment electric current secondary loop short-circuit device, including：
Tester, is provided with binding post, testing button and display screen above described tester, described binding post has two
More than individual, fewer than the quantity of described binding post one of the quantity of described testing button, the quantity of described display screen is one；
Shorting stub, described shorting stub includes wire and plural screw, and described screw surrounds through described wire
Terminal interface is connected formation series circuit with described wire, and when carrying out short circuit test, described screw passes through described terminal interface even
Connect described binding post；
Pad, described pad is provided with female thread, and described pad is arranged at the bolt of the described screw through described interface
Mouth side.
Further, described spacer thickness is 0.8-1.5mm.
Further, described shorting stub is provided with copper lug, described copper lug is arranged at the terminal interface of described wire
Place, described screw is connected through described copper lug with described binding post；Described wire with the connected mode of described copper lug is
Welding.
Further, described copper lug is provided with female thread.
Further, described copper lug thickness is 1-3mm.
Further, described diameter of wire is 2.5-4mm.
Further, described wire is made up of flexible metal.
Further, described binding post has 4.
Further, described testing button has 3.
Compared with prior art, advantageous effects of the present utility model are：This utility model provides a kind of power equipment electricity
Stream secondary circuit short-circuit device, by using arranging female pad, can effectively solving shorting stub difficult install, caducous
Problem.Described power equipment electric current secondary loop short-circuit device, in improving further, introduces copper lug, and thicker for thickness
Copper lug, cooperation major diameter wire it is ensured that loop resistance is little after wire short circuit, conduct electricity very well.Wire is flexible circuit conductor, compares
In difficult installation, the easy to fall off, frangibility of rigid wire, higher operability and safety are had using flexible wire.Copper
Nose and wire, using being welded to connect, so that shorting stub is reliable and secure, are not easily broken.Copper lug and pad are respectively provided with interior spiral shell
Stricture of vagina, is matched with screw, can play good tightness, effectively prevents screw from coming off.Tester is matched with shorting stub, has
Multiple binding posts, are provided with testing button between adjacent binding post, testing button plays on-off action, can high-speed communication or
Disconnecting adjacent binding post, if being connected with shorting stub on adjacent binding post, can quickly test the short circuit performance of shorting stub.
With respect to using circuit tester simple test break-make and single hop test, this test device simulated field binding post, reduce test by mistake
Difference, and multistage resistance test value can be shown simultaneously, make test intuitively quick.Shorting stub can work independently independent of short-circuit device,
Shorting stub and pad may be directly applied to short circuit operation.
Brief description
In order to be illustrated more clearly that the technical scheme of this utility model embodiment, below will be to required in embodiment description
The accompanying drawing using is briefly described.
Fig. 1 gives the schematic top plan view of the power equipment electric current secondary loop short-circuit device of embodiment 1；
Fig. 2 gives the schematic top plan view of the tester of embodiment 1；
Fig. 3 gives the wire of embodiment 1 and the structural representation of terminal interface；
Fig. 4 gives the structural representation of the pad of embodiment 1；
Fig. 5 gives the shorting stub of embodiment 1 and the assembling schematic diagram of pad；
Fig. 6 gives the structural representation of the shorting stub of embodiment 2.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe.Obviously, described embodiment is only a part of embodiment of this utility model, rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of making creative work
The every other embodiment being obtained, broadly falls into the scope of this utility model protection.
Embodiment 1
This utility model provides a kind of power equipment electric current secondary loop short-circuit device.As Figure 1-5, power equipment electricity
Stream secondary circuit short-circuit device includes tester 10, shorting stub 20 and pad 30.Tester 10 is provided with 4 binding posts above
11st, 3 testing buttons 12 and 1 display screen 13.Tester 10 is in cuboid, is by the instrument improvement of similar ohmmeter
's.Shorting stub 20 has 4 screws 22, and screw 22 is connected formation series electrical through the terminal interface 23 that wire 21 surrounds with wire 21
Road；When carrying out short circuit test, screw 22 passes through terminal interface 23 to connect binding post 11.Between binding post 11 and shorting stub 20
It is additionally provided with pad 30, pad 30 is arranged between binding post 11 and terminal interface 23.Between two neighboring binding post 11
It is provided with a corresponding testing button 12, testing button 12 plays on-off action, can high-speed communication or disconnect adjacent wiring
Terminal 11.This utility model provide embodiment in, two corresponding binding posts 11 of testing button 12 refer to apart from from
Two nearest adjacent binding posts 11 of this testing button 12.When being connected with shorting stub 20 on binding post 11, i.e. 4 screws
22 when connecting 4 binding posts 11 respectively, by next testing button 12, relies on tester 10 to preset the voltage of power supply offer,
Can measure the adjacent binding post 11 being connected to corresponding testing button 12 corresponding two screws 22 of shorting stub 20 and its
Resistance between connecting wire 21, and shown by display screen 13.By reading the reading of display on display screen 13, you can
Judge the short circuit performance of this this section of shorting stub 20.By pressing 3 testing buttons 12 successively, you can test out shorting stub 20 successively
Resistance between adjacent two-screw 22 and its connecting wire 21, display screen 13 shows reading respectively, that is, achieve whole section of short circuit
The short circuit performance test of line 20.
As in the embodiment 1 that Fig. 1-5 is given, wire 21 line footpath is 2.5mm, and pad 30 thickness is 0.8mm, and pad 30 is arranged
There is female thread.Pad 30 is provided with female thread and can prevent coming off of screw 22.
Embodiment 2
As different from Example 1, in embodiment 2, as shown in fig. 6, copper lug 24, copper lug are provided with shorting stub 20
24 are arranged at the terminal interface 23 that former wire 21 surrounds, and instead of the effect of terminal interface 23, that is, be provided with copper lug 24
Afterwards, wire 21 need not again pass through screw 22 is connected through terminal interface 23 with binding post 11, now screw 22 directly through
Copper lug 24 is connected with binding post 11.Copper lug 24 is connected with wire 21 by welding manner.Copper lug 24 thickness is
1.0mm, is provided with female thread.Wire 21 line footpath is 2.5mm, is made up of flexible metal.Copper lug 24 is provided with female thread can be prevented
Stop coming off of screw 22.Wire 21 is made up of flexible metal, compared to difficult installation, the easy to fall off, frangibility of rigid wire, adopts
Flexible circuit conductor 21 has higher operability and safety.The copper lug 24 that shorting stub 20 is used is the thicker copper nose of thickness
Son 24, wire 21, conducts electricity very well it is ensured that loop resistance is little after wire short circuit for major diameter wire 21.Copper lug 24 and wire
21 are welded to connect, and make shorting stub reliable and secure, are not easily broken, and do not relax it is ensured that shorting stub 20 will not be suddenly in many subjobs
Open circuit is so that work the mischief.The implementation of power equipment electric current secondary loop short-circuit device in embodiment 2 and principle and reality
Implementation and the principle of applying example 1 are identical.
The above, specific embodiment only of the present utility model, but protection domain of the present utility model does not limit to
In this, any those familiar with the art in the technical scope that this utility model discloses, the change that can readily occur in
Change or replace, all should cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should be with described
Scope of the claims is defined.
Claims (9)
1. a kind of power equipment electric current secondary loop short-circuit device is it is characterised in that include：
Tester（10）, described tester（10）It is provided with binding post above（11）, testing button（12）And display screen（13）,
Described binding post（11）There is two or more, described testing button（12）Quantity than described binding post（11）Quantity few one
Individual, described display screen（13）Quantity be one；
Shorting stub（20）, described shorting stub（20）Including wire（21）With plural screw（22）, described screw（22）Wear
Cross described wire（21）The terminal interface surrounding（23）With described wire（21）Connect and form series circuit, carry out short circuit test
When, described screw（22）Through described terminal interface（23）Connect described binding post（11）；
Pad（30）, described pad（30）It is provided with female thread, described pad（30）It is arranged at through described terminal interface（23）
Described screw（22）Bolt mouth side.
2. power equipment electric current secondary loop short-circuit device according to claim 1 it is characterised in that：Described pad（30）
Thickness is 0.8-1.5mm.
3. power equipment electric current secondary loop short-circuit device according to claim 1 it is characterised in that：Described shorting stub
（20）On be provided with copper lug（24）, described copper lug（24）It is arranged at described wire（21）Terminal interface（23）Place, described
Screw（22）Through described copper lug（24）With described binding post（11）Connect；Described wire（21）With described copper lug（24）
Connected mode be welding.
4. power equipment electric current secondary loop short-circuit device according to claim 3 it is characterised in that：Described copper lug
（24）It is provided with female thread.
5. power equipment electric current secondary loop short-circuit device according to claim 3 it is characterised in that：Described copper lug
（24）Thickness is 1-3mm.
6. power equipment electric current secondary loop short-circuit device according to claim 1 it is characterised in that：Described wire（21）
A diameter of 2.5-4mm.
7. power equipment electric current secondary loop short-circuit device according to claim 3 it is characterised in that：Described wire（21）
It is made up of flexible metal.
8. power equipment electric current secondary loop short-circuit device according to claim 1 it is characterised in that：Described binding post
（11）There are 4.
9. power equipment electric current secondary loop short-circuit device according to claim 1 it is characterised in that：Described testing button
（12）There are 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621003957.2U CN205982333U (en) | 2016-08-31 | 2016-08-31 | Power equipment electric current secondary circuit short circuit device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621003957.2U CN205982333U (en) | 2016-08-31 | 2016-08-31 | Power equipment electric current secondary circuit short circuit device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205982333U true CN205982333U (en) | 2017-02-22 |
Family
ID=58038930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621003957.2U Expired - Fee Related CN205982333U (en) | 2016-08-31 | 2016-08-31 | Power equipment electric current secondary circuit short circuit device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205982333U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110350328A (en) * | 2018-04-04 | 2019-10-18 | 广东电网有限责任公司 | A kind of secondary circuit tie jumper |
-
2016
- 2016-08-31 CN CN201621003957.2U patent/CN205982333U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110350328A (en) * | 2018-04-04 | 2019-10-18 | 广东电网有限责任公司 | A kind of secondary circuit tie jumper |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105891606A (en) | Device for testing tower grounding resistance through disassembly-free ground lead | |
| CN104993332B (en) | Miniature earth leakage protective socket | |
| CN105548780A (en) | Electric automobile DC charging pile interface circuit simulator | |
| CN106771998A (en) | A kind of tester for testing RCCB | |
| CN205426997U (en) | Special termination that unites of low pressure electric energy measurement | |
| CN205982333U (en) | Power equipment electric current secondary circuit short circuit device | |
| CN208383986U (en) | High-voltage switch gear coil resistance test device | |
| CN104007354B (en) | The total group test circuit and method of 10kV Zinc-Oxide Arresters and cable | |
| CN207601164U (en) | Electric safety system residual current monitoring module | |
| CN105182173B (en) | Novel composite mutual inductor polarity tester | |
| CN207067294U (en) | A kind of down conductor continuity test instrument | |
| CN211577408U (en) | Portable CT secondary side open circuit testing arrangement | |
| CN204832412U (en) | Novel combined instrument transformer polarity test appearance | |
| CN204789832U (en) | CVT high -voltage testing's line changing device and CVT high -voltage testing device | |
| CN209069965U (en) | DC Resistance Test of Transformer rapid wiring device | |
| CN206248799U (en) | A kind of battery test system | |
| CN206788308U (en) | Full-automatic multiloop secondary cable Insulation test servicing unit | |
| CN110196347A (en) | A kind of electrical energy measurement joint connecting terminal block | |
| CN204789879U (en) | Test system is put in electrified office of cubical switchboard and voltage signal extraction element thereof | |
| CN104808067B (en) | Multifunctional digital CT secondary detection instrument | |
| CN208752192U (en) | The test device of power locomotive top insulation detection device | |
| CN102593813A (en) | Intelligent comprehensive resonance elimination device | |
| CN206431179U (en) | A kind of multifunctional mutual-inductor | |
| CN202014076U (en) | Protection device for arc faults | |
| CN203910508U (en) | Outdoor anti-ferromagnetic resonance voltage transformer |
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: 20170222 Termination date: 20210831 |