CN212646757U - Current loop short-circuit piece of phoenix test terminal - Google Patents
Current loop short-circuit piece of phoenix test terminal Download PDFInfo
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- CN212646757U CN212646757U CN202021184591.XU CN202021184591U CN212646757U CN 212646757 U CN212646757 U CN 212646757U CN 202021184591 U CN202021184591 U CN 202021184591U CN 212646757 U CN212646757 U CN 212646757U
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Abstract
The utility model relates to a current loop short circuit piece of a phoenix test terminal, which comprises a metal short circuit piece and a conductive screw, wherein the metal short circuit piece comprises a connecting part, one end of the connecting part is provided with an insulating handle, the other end of the connecting part is provided with a plurality of conductive parts which are arranged side by side, and each conductive part is provided with a connecting screw hole; the conductive screw threads penetrate through the connecting screw hole and are screwed into the test terminal hole. The insulating handle is arranged on the metal short connecting piece, so that the conductive screws on the short connecting piece can be conveniently placed into the holes of the test terminals together, and the short connecting piece can be supported on the insulating handle of the metal short connecting piece by hands, and the metal short connecting piece is ensured not to deviate in the screw locking process; and set up the screw hole on the conductive part of metal short splicing, can make the conductive screw fix on the metal short splicing to guarantee that the metal short splicing short circuit test terminal reliably, easy operation is convenient.
Description
The technical field is as follows:
the utility model relates to a current loop short circuit piece of phoenix test terminal.
Background art:
in recent years, with the advance of development technical transformation of substation bus differential protection under the condition of no power failure, reliable short circuit needs to be performed on a corresponding secondary winding of a current transformer in an outdoor switch terminal box. The existing short circuit mode adopts a four-contact pin type short circuit wire and a special short circuit piece, and the two short circuit modes have the following defects:
(1) the four-contact type short-circuit wire is often adopted, because the jacks of the test terminals are not tightly inserted and deformed after being inserted for many times, the plugging is easy to fall off, and because the plug is large, the adjacent terminals are very crowded when being short-circuited and are not easy to reliably insert or cause the movement of the terminals; meanwhile, the short connecting wire is long, so that other terminals can be shielded, or the short connecting wire is mistakenly touched to fall off when other test wires are operated;
(2) the special short connecting piece is suitable for short circuit in power failure due to the fact that all the short connecting pieces are metal pieces and the short circuit position is in an opening mode, and is inconvenient to operate and time-consuming and labor-consuming under the condition that a secondary circuit of the current transformer is electrified.
The utility model has the following contents:
the utility model discloses make the improvement to the problem that above-mentioned prior art exists, promptly the utility model aims to solve the technical problem that a current loop short circuit piece of phoenix test terminal is provided, structural design is reasonable, effectively improves the reliability of short circuit and the convenience of operation.
In order to realize the purpose, the utility model discloses a technical scheme is: a current loop short-circuit piece of a phoenix test terminal comprises a metal short-circuit piece and a conductive screw, wherein the metal short-circuit piece comprises a connecting part, one end of the connecting part is provided with an insulating handle, the other end of the connecting part is provided with a plurality of conductive parts which are arranged side by side, and each conductive part is provided with a connecting screw hole; the conductive screw threads penetrate through the connecting screw hole and are screwed into the test terminal hole.
Further, the conductive screw is including the first body of rod, the second body of rod and the screw head that set gradually, the diameter of the first body of rod is greater than the diameter of the second body of rod, and the lateral wall of the first body of rod is equipped with and is used for and connects the external screw thread of screw looks spiro union, the diameter of the second body of rod is less than the aperture of connecting the screw.
Further, the diameter of the screw head is larger than that of the first rod body.
Further, the conductive portion is vertically connected to the connection portion.
Further, the connecting portion and the conductive portion are both long strips.
Furthermore, the number of the conductive parts is four, and the four conductive parts are uniformly distributed at equal intervals along the length direction of the connecting part.
Further, the insulating handle is vertically connected with the connecting part.
Compared with the prior art, the utility model discloses following effect has:
(1) the insulating handle is arranged on the metal short connecting piece, so that conductive screws on the short connecting piece can be conveniently placed into the holes of the test terminals together, and the short connecting piece can be supported on the insulating handle of the metal short connecting piece by hands, and the metal short connecting piece is prevented from deviating in the screw locking process;
(2) the conductive part of the metal short connecting piece is provided with a threaded hole, so that a conductive screw can be fixed on the metal short connecting piece, and the metal short connecting piece can be ensured to be reliably short-connected with the test terminal;
(3) the utility model has the advantages of simple and reasonable design, easy operation is convenient.
Description of the drawings:
fig. 1 is a schematic perspective view of an embodiment of the present invention;
fig. 2 is a schematic front view of a metal short connecting piece in the embodiment of the present invention;
fig. 3 is a schematic top sectional view of a metal shorting tab according to an embodiment of the present invention;
fig. 4 is a schematic front view of a conductive screw according to an embodiment of the present invention;
fig. 5 is a schematic view of a usage status of the embodiment of the present invention.
In the figure:
1-metal shorting tabs; 2-conductive screws; 3-a connecting part; 4-a conductive portion; 5-connecting screw holes; 6-test terminal hole; 7-a first rod body; 8-a second rod body; 9-a screw head; 10-external threads; 11-insulated handle.
The specific implementation mode is as follows:
the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
As shown in fig. 1 to 5, the current loop short tab of the phoenix test terminal of the present invention includes a metal short tab 1 and a conductive screw 2, wherein the metal short tab 1 includes a strip-shaped connecting portion 3, an insulating handle 11 is disposed at one end of the connecting portion 3, a plurality of strip-shaped conductive portions 4 arranged side by side are disposed at the other end of the connecting portion 3, the conductive portions 4 and the insulating handle 11 are disposed at opposite ends of the connecting portion 3, and each conductive portion 4 is provided with a connecting screw hole 5; the conductive screw 3 penetrates through the connecting screw hole 5 in a threaded mode and is used for being screwed into the test terminal hole 6.
In this embodiment, the conductive screw 2 includes the first body of rod 7, the second body of rod 8 and the screw head 9 that set gradually, the diameter of the first body of rod 7 is greater than the diameter of the second body of rod 8, and the diameter of screw head 9 is greater than the diameter of the first body of rod 7, and the lateral wall of the first body of rod 7 is equipped with and is used for and connects the external screw thread 10 of screw 5 looks spiro union, the diameter of the second body of rod 8 is less than the aperture of connecting screw 5. After the external screw thread 10 screw thread through connection screw 5 of conductive screw 2, the second body of rod 8 with connect the rotatable cooperation of screw 5, because the diameter of the second body of rod 8 of conductive screw 2 is less than the aperture of connecting screw 5 this moment, so whole conductive screw 2 can be free rotation in connecting screw 5, nevertheless can not drop, the hole of being convenient for on the test terminal is fixed.
In this embodiment, the conductive portion 4 is connected to the connection portion 3 perpendicularly, and the conductive portion 4 and the connection portion 3 are located in the same plane. Preferably, the connecting portion and the conductive portion are integrally formed of a metal material having a high conductivity.
In this embodiment, the number of the conductive portions 4 is four, and the four conductive portions 4 are uniformly spaced in the longitudinal direction of the connection portion 3.
In this embodiment, the insulating handle 11 is vertically connected to the connecting portion 3. Preferably, the insulated handle 11 is a flat structure and made of an insulating material, and the insulated handle and the connecting portion may be in the same plane or not. In order to improve the warning effect, the surface of the insulating handle is marked with a red font of 'forbidden to be taken down'.
In this embodiment, when the phoenix test terminal of the secondary circuit of the current transformer needs to be short-circuited, the short-circuit method includes the following steps:
step S1: the conductive screw 2 penetrates through the inner thread of the connecting screw hole 5 of each conductive part 4, so that the second rod body 8 of the conductive screw 2 is rotatably matched with the connecting screw hole 5, and the conductive screw 2 can freely rotate in the connecting screw hole 5;
step S2: the insulating handle 11 of the metal short contact sheet 1 is held by hand, the conductive screw 2 which can freely rotate on each conductive part 4 is put into the hole 6 of the test terminal, and the conductive screw 2 is locked by a screwdriver.
The utility model discloses if disclose or related to mutual fixed connection's spare part or structure, then, except that other the note, fixed connection can understand: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).
In addition, the terms used in any aspect of the present disclosure as described above to indicate positional relationships or shapes include similar, analogous, or approximate states or shapes unless otherwise stated.
The utility model provides an arbitrary part both can be assembled by a plurality of solitary component parts and form, also can be the solitary part that the integrated into one piece technology was made.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.
Claims (6)
1. The utility model provides a current loop short circuit piece of phoenix test terminal which characterized in that: the metal short circuit piece comprises a connecting part, an insulating handle is arranged at one end of the connecting part, a plurality of conductive parts arranged side by side are arranged at the other end of the connecting part, and each conductive part is provided with a connecting screw hole; the conductive screw threads penetrate through the connecting screw hole and are screwed into the test terminal hole; the conductive screw comprises a first rod body, a second rod body and a screw head which are sequentially arranged, the diameter of the first rod body is larger than that of the second rod body, an external thread used for being connected with a screw hole in a screwed mode is arranged on the outer side wall of the first rod body, and the diameter of the second rod body is smaller than the hole diameter of the connecting screw hole.
2. The current loop shorting tab for a phoenix test terminal of claim 1, wherein: the diameter of screw head is greater than the diameter of the first body of rod.
3. The current loop shorting tab for a phoenix test terminal of claim 1, wherein: the conductive portion is vertically connected to the connecting portion.
4. The current loop shorting tab for a phoenix test terminal of claim 1 or 3, wherein: the connecting portion and the conductive portion are both long strips.
5. The current loop shorting tab for a phoenix test terminal of claim 1, wherein: the number of the conductive parts is four, and the four conductive parts are uniformly distributed at equal intervals along the length direction of the connecting part.
6. The current loop shorting tab for a phoenix test terminal of claim 1, wherein: the insulating handle is vertically connected with the connecting part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021184591.XU CN212646757U (en) | 2020-06-24 | 2020-06-24 | Current loop short-circuit piece of phoenix test terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021184591.XU CN212646757U (en) | 2020-06-24 | 2020-06-24 | Current loop short-circuit piece of phoenix test terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212646757U true CN212646757U (en) | 2021-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021184591.XU Active CN212646757U (en) | 2020-06-24 | 2020-06-24 | Current loop short-circuit piece of phoenix test terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212646757U (en) |
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2020
- 2020-06-24 CN CN202021184591.XU patent/CN212646757U/en active Active
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