CN208368804U - A kind of current loop Special short device - Google Patents
A kind of current loop Special short device Download PDFInfo
- Publication number
- CN208368804U CN208368804U CN201820484405.0U CN201820484405U CN208368804U CN 208368804 U CN208368804 U CN 208368804U CN 201820484405 U CN201820484405 U CN 201820484405U CN 208368804 U CN208368804 U CN 208368804U
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- cable
- current loop
- gasket
- ear
- fastening screw
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Abstract
The utility model discloses a kind of current loop Special short devices, comprising: cable, insulator cap, fastening screw and gasket；The cable ends are all provided with wired ear；Several metallic cables are equipped on the inside of the cable；The gasket is arranged between online ear and fastening screw, and aperture is Chong Die with the aperture of line ear, for fastening screw to be screwed into the screw hole of connecting terminal across the aperture of gasket and line ear.The utility model has the advantage of, making cable is not in the scenes such as loosening, pop-up, prevent current loop open into generation, it is ensured that the safe and stable operation of current loop；It is convenient, fast, simple in such a way that fastening screw is fixed, and operate and be easy；The utility model will also be distinguished metallic cable with yellow, green, red three kinds of colors, respectively correspond A, B, C three-phase current, there is biggish discrimination in use, avoid the generation of maloperation.
Description
Technical field
The utility model relates to power domains, more particularly, to a kind of current loop Special short device.
Background technique
Currently, to ensure that the stability of electric system needs corresponding protective device clearly to sentence in line failure
It is disconnected to be out of order a little, corresponding breaker is cut off, faulty line is isolated from system, it is ensured that the safety of electric system is steady
It is fixed.Thereby it is ensured that the quick, accurate, sensitive of protective device movement is basic demand to power system relay protection device, it is
Guarantee that protective device and secondary circuit are safe and reliable, the system failure can be quickly and accurately cut off in failure, it is necessary to protection
Device carries out periodic maintenance and inspection.When carrying out the devices regular inspections such as stable, prepared auto restart, it may appear that above and below secondary current circuit
Grade is in operating status (such as current loop moves towards: protection → stable → prepared auto restart → recording), therefore need to jump secondary current
It is connected to next stage arrangement, guarantees that low-level device can detect normal running current, while also must assure that shorting stub will not pine
It is dynamic to fall off, it causes current loop to open a way, leads to the generation of accident event.
Utility model content
The utility model is to overcome defect described in the above-mentioned prior art, provides a kind of current loop Special short device.
In order to solve the above technical problems, the technical solution of the utility model is as follows:
A kind of current loop Special short device, comprising: cable, insulator cap, fastening screw and gasket；
The cable ends are all provided with wired ear；
Multiply metallic cable is equipped on the inside of the cable；
The gasket is arranged between online ear and fastening screw, and aperture is Chong Die with the aperture of line ear, for that will fasten spiral shell
Silk is screwed into the screw hole of connecting terminal across the aperture of gasket and line ear.
The principle of above-mentioned apparatus is: the line ear aperture of cable one end is placed on connecting terminal at the scene by operator on one side
On screw hole, the aperture alignment line ear aperture of metal gasket is placed on the another side of line ear, guarantees line ear two sides and wiring
Terminal screws hole and metal gasket are in close contact；Operator then uses fastening screw, passes through metal gasket and line ear, tightens
It in connecting terminal screw hole, is fixed on one end of cable on connecting terminal, is electrically connected with connecting terminal generation.With identical
The other end of cable is fixed on another connecting terminal by method, can be realized and ensure the operation of current loop.
Preferably, the cable is equipped with insulator cap in the position connecting with line ear, by the end of a thread of metallic cable and line ear
The plumb joint tight of joining place, plays insulation and protective effect.
Preferably, the metallic cable is copper core cable, for providing stable electric conductivity.
Preferably, the copper core cable is 3, wherein the surface of 3 copper core cables is set to yellow, green and red
Color；Copper core cable is 3 as wire jumper, one group of short circuit wire jumper is shorted, for respectively representing 3 different phases, every short circuit
Wire jumper can be used independently；Color is set for for the different separate cables using different colours of electric current, increase resolution.
Preferably, the gasket is that metal gasket prevents breakpoint, lead for increasing the contact surface of screw and cable
Cause current loop open into；In addition, can also facilitate the copper lines ear of fastening cable, line ear pop-up phenomenon is prevented.
Preferably, the gasket is oblong-shaped, for the pressure of fastening screw to be dispersed in connecting terminal screw
Surface near hole.
Preferably, the cable is rubber cable, for protecting the metallic cable inside cable.
Compared with prior art, the beneficial effect of technical solutions of the utility model is:
Line ear is arranged in cable ends in the utility model, and line ear is fixed on connecting terminal screw hole using fastening screw
On, making cable is not in the scenes such as loosening, pop-up, prevent current loop open into generation, it is ensured that the peace of current loop
Full stable operation meets the demand of the secondary Safe Protection during regular inspection；In such a way that fastening screw is fixed
It is convenient, fast, simple, and operate and be easy；The utility model will also be distinguished metallic cable with yellow, green, red three kinds of colors,
A, B, C three-phase current are respectively corresponded, there is biggish discrimination in use, avoids the generation of maloperation.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is cable front view.
Fig. 2 is cable top view.
Fig. 3 is fastening screw and gasket front view.
Fig. 4 is fastening screw and gasket top view.
1 represents line ear, and 2 represent insulator cap, and 3 represent cable, and 4 represent gasket, and 5 represent fastening screw.
Specific embodiment
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；
In order to better illustrate this embodiment, the certain components of attached drawing have omission, zoom in or out, and do not represent actual product
Size；
To those skilled in the art, it is to be understood that certain known features and its explanation, which may be omitted, in attached drawing
's.
The technical solution of the utility model is described further with reference to the accompanying drawings and examples.
A kind of current loop Special short device, as illustrated in fig. 1 and 2, comprising: cable 3, insulator cap 2,5 and of fastening screw
Gasket 4；
3 both ends of cable are all provided with wired ear 1；
Multiply metallic cable is equipped on the inside of cable 3；
Gasket 4 is arranged between online ear 1 and fastening screw 5, and aperture is Chong Die with the aperture of line ear 1, for that will fasten spiral shell
Silk 5 is screwed into the screw hole of connecting terminal across the aperture of gasket 4 and line ear 1.
In the present embodiment, cable 3 is equipped with insulator cap 2 in the position connecting with line ear 1.
In the present embodiment, metallic cable is copper core cable.
In the present embodiment, copper core cable be 3, wherein the surface of 3 copper core cables be set to yellow, green and
It is red.
In the present embodiment, gasket 4 is metal gasket.
In the present embodiment, gasket 4 is oblong-shaped.
In the present embodiment, cable 3 is rubber cable.
Obviously, the above embodiments of the present invention is merely examples for clearly illustrating the present invention, and
It is not limitations of the embodiments of the present invention.For those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
Exhaustion.Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc., should be included in
Within the protection scope of the utility model claims.
Claims (7)
1. a kind of current loop Special short device characterized by comprising cable (3), insulator cap (2), fastening screw (5)
With gasket (4)；
Cable (3) both ends are all provided with wired ear (1)；
Multiply metallic cable is equipped on the inside of the cable (3)；
The gasket (4) is arranged between online ear (1) and fastening screw (5), and aperture is Chong Die with the aperture of line ear (1), is used for
Fastening screw (5) are screwed into the screw hole of connecting terminal across the aperture of gasket (4) and line ear (1).
2. current loop Special short device according to claim 1, which is characterized in that the cable (3) with line ear
(1) position connected is equipped with insulator cap (2).
3. current loop Special short device according to claim 1, which is characterized in that the metallic cable is copper core electricity
Cable.
4. current loop Special short device according to claim 3, which is characterized in that the copper core cable is 3,
In, the surface of 3 copper core cables is set to yellow, green and red.
5. current loop Special short device according to claim 1, which is characterized in that the gasket (4) is metal gasket
Piece.
6. current loop Special short device according to claim 1, which is characterized in that the gasket (4) is rectangle
Shape.
7. current loop Special short device according to claim 1, which is characterized in that the cable (3) is rubber electricity
Cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820484405.0U CN208368804U (en) | 2018-04-04 | 2018-04-04 | A kind of current loop Special short device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820484405.0U CN208368804U (en) | 2018-04-04 | 2018-04-04 | A kind of current loop Special short device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208368804U true CN208368804U (en) | 2019-01-11 |
Family
ID=64922431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820484405.0U Active CN208368804U (en) | 2018-04-04 | 2018-04-04 | A kind of current loop Special short device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208368804U (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 |
-
2018
- 2018-04-04 CN CN201820484405.0U patent/CN208368804U/en active Active
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 |
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