CN213546754U - CT secondary short circuit terminal - Google Patents
CT secondary short circuit terminal Download PDFInfo
- Publication number
- CN213546754U CN213546754U CN202022593208.2U CN202022593208U CN213546754U CN 213546754 U CN213546754 U CN 213546754U CN 202022593208 U CN202022593208 U CN 202022593208U CN 213546754 U CN213546754 U CN 213546754U
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- terminal
- connecting seat
- connector
- handle
- terminal connecting
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- 229920003023 plastic Polymers 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 238000012360 testing method Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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Abstract
The utility model discloses a CT secondary short circuit terminal, including terminal connector, terminal connecting seat and terminal handle, wherein, the terminal connecting seat is a plurality of and is the inline embedding in the terminal handle, the external screw thread has been seted up on the terminal connecting seat, seted up on the terminal connecting seat with the internal thread hole that external screw thread cooperation was used. During the use, according to the quantity of on-the-spot actual conditions selection terminal connector and the position at the terminal connecting seat, with terminal connector and terminal connecting seat threaded connection can, terminal connector and terminal connecting seat be the detachable mode, and multiplicable to 8 even or to more.
Description
Technical Field
The utility model relates to a hardware and tools technical field especially relates to a CT secondary short circuit terminal.
Background
When a transformer secondary maintainer works related to an alternating current plug-in unit under the condition of no power outage, a CT secondary short-circuit terminal is needed.
In the working process of the maintenance personnel, the CT secondary wiring is required to be in short circuit at the test hole at the terminal row inlet wire position at the terminal box, after the short circuit is determined to be good, the slide block of the switch breaking type test terminal is opened, and then the related work is carried out on the alternating current plug-in unit.
In the above work, because the field wiring modes are different, some wiring designs need to be short-circuited by 5-connection or even 7-connection terminals, and the conventional 4-connection CT secondary short-circuit terminal cannot meet all the work requirements, the current method is to insert a test line into a test hole of the terminal to perform sequential short-circuit, or to install a fixed bridging piece (connecting piece) on the corresponding terminal to perform short-circuit. The two modes are complicated to operate, and the working efficiency is greatly reduced. And because work is carried out at the electrified part, the danger coefficient is greatly increased.
Therefore, how to provide a CT secondary shorting terminal to select the number of terminal connectors and the positions of the terminal connecting seats according to actual situations in the field is a technical problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a CT secondary short circuit terminal to realize selecting the quantity of terminal connector and the position at the terminal connecting seat according to on-the-spot actual conditions.
In order to achieve the above object, the utility model provides a following technical scheme:
a CT secondary short-circuit terminal comprises a terminal connector, a terminal connecting seat and a terminal handle, wherein,
the terminal connecting seats are a plurality of and are embedded into the terminal handle in a linear arrangement,
the terminal connecting head is provided with an external thread, and the terminal connecting seat is provided with an internal thread hole matched with the external thread for use.
Preferably, the connecting head of the terminal connector is provided with an arc-shaped protruding part.
Preferably, the terminal connector and the terminal connecting seat are made of copper.
Preferably, the terminal handle is made of insulating plastic.
Preferably, the insulating plastic is TPR and PP.
Preferably, one side of the terminal handle for being embedded into the terminal connecting seat is a plane, and the other side of the terminal handle is a trapezoid.
Preferably, the trapezoidal body is provided with a rectangular body.
Preferably, the number of the terminal connecting seats is eight.
The utility model provides a CT secondary short circuit terminal, which comprises a terminal connector, a terminal connecting seat and a terminal handle, wherein,
the terminal connecting seats are a plurality of and are embedded into the terminal handle in a linear arrangement,
the terminal connecting head is provided with an external thread, and the terminal connecting seat is provided with an internal thread hole matched with the external thread for use.
During the use, according to the quantity of on-the-spot actual conditions selection terminal connector and the position at the terminal connecting seat, with terminal connector and terminal connecting seat threaded connection can, terminal connector and terminal connecting seat be the detachable mode, and multiplicable to 8 even or to more.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a CT secondary short-circuit terminal provided in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a terminal connector according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a terminal handle according to an embodiment of the present invention;
fig. 4 is a schematic side sectional structure view of a terminal handle provided in an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a CT secondary short-circuit terminal provided by the embodiment of the present invention.
In the above FIGS. 1-5:
the terminal comprises a terminal connector 1, a terminal connecting seat 2, a terminal handle 3, an internal thread hole 4 and a terminal testing hole 5; universal terminal row 6, terminal slider 7.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 5, fig. 1 is a schematic structural diagram of a CT secondary short-circuit terminal according to an embodiment of the present invention; fig. 2 is a schematic structural diagram of a terminal connector according to an embodiment of the present invention; fig. 3 is a schematic structural view of a terminal handle according to an embodiment of the present invention; fig. 4 is a schematic side sectional structure view of a terminal handle provided in an embodiment of the present invention; fig. 5 is a schematic structural diagram of a CT secondary short-circuit terminal provided by the embodiment of the present invention.
The embodiment of the utility model provides a CT secondary short circuit terminal, which comprises a terminal connector 1, a terminal connecting seat 2 and a terminal handle 3, wherein,
the terminal connecting holders 2 are plural and inserted into the terminal handle 3 in a linear arrangement,
the terminal connector 1 is provided with an external thread, and the terminal connecting seat 2 is provided with an internal thread hole 4 matched with the external thread for use.
During the use, according to on-the-spot actual conditions select the quantity of terminal connector 1 and in the position of terminal connecting seat 2, with terminal connector 1 with terminal connecting seat 2 threaded connection can, terminal connector 1 and terminal connecting seat 2 are the detachable mode, and multiplicable to 8 even or to more.
Specifically, the connecting head of the terminal connector 1 is provided with an arc-shaped protruding portion. That is, the terminal fitting 1 is in the form of a lantern, ensuring reliable contact with the terminal test hole 5.
Specifically, the terminal connector 1 and the terminal connecting seat 2 are made of copper. The material of the terminal handle 3 is insulating plastic. The insulating plastics are TPR and PP.
Specifically, one side of the terminal handle 3 for being embedded in the terminal connecting seat 2 is a plane, and the other side thereof is a trapezoid. The trapezoid body is provided with a rectangular body.
Specifically, the number of the terminal connecting holders 2 is eight.
The embodiment of the utility model provides a CT secondary short circuit terminal, terminal connector 1 are lantern shape, ensure with terminal test hole 5 reliable contacts, and be detachable, specifically can be lantern shape for the head, the size be can with the terminal test hole 5 reliable contacts of universal terminal row 6 be suitable. The terminal connector 1 and the terminal connecting holder 2 can be reliably and tightly connected in a spiral manner. The terminal connector 1 and the terminal connecting seat 2 are both made of copper and have good conductive performance. The terminal connecting seat 2 is embedded in the terminal handle 3, the handle is made of TPR + PP materials for insulation, and the terminal connecting seat can be operated by naked hands of personnel without wearing protective tools. When needing to carry out the short circuit with CT secondary circuit, operating personnel holds terminal handle 3, inserts terminal connector 1 in the test jack of the switch disconnect-type test terminal of corresponding CT secondary wiring, can realize the short circuit with CT secondary circuit, can open terminal slider 7 at this moment and carry out work.
Because the terminal connector 1 is detachable, even if the secondary wiring of the CT is not continuously connected on the universal terminal row 6 in parallel, the position of the terminal connector 1 and the position of the terminal connecting seat 2 can be changed to adjust, so as to achieve the purpose of short circuit. This CT secondary short circuit terminal can adapt to the on-the-spot terminal condition of working a telephone switchboard according to the position of adjustment terminal connector 1 with terminal connecting seat 2, has improved maintainer's work efficiency greatly, and compares in carrying out the method of short circuit with the test line or install fixed bridgeware (connection piece) and has greatly increased the reliability.
There are 8 terminal connecting seats 2 arranged vertically on the terminal handle 3, in order to insert the terminal connector 1 and make the two reliably closely connect, and the interval between the terminal connecting seats 2 is the same with the terminal interval on the universal terminal row 6, in order to make the terminal connector 1 insert the terminal test hole 5, can open the terminal slide 7 at this moment and carry on the work.
The embodiment of the utility model provides a CT secondary short circuit terminal adopts on the basis of conventional CT secondary short circuit terminal, at the design that terminal connector 1 and terminal connecting seat 2 can the split, can select the quantity of terminal connector 1 and the position at terminal connecting seat 2 according to on-the-spot actual conditions to reach the problem that suits with on-the-spot actual conditions.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. A CT secondary short-circuit terminal is characterized by comprising a terminal connector, a terminal connecting seat and a terminal handle, wherein,
the terminal connecting seats are a plurality of and are embedded into the terminal handle in a linear arrangement,
the terminal connecting head is provided with an external thread, and the terminal connecting seat is provided with an internal thread hole matched with the external thread for use.
2. The CT secondary shorting terminal according to claim 1, wherein the connecting head of the terminal connector is provided with an arc-shaped protrusion.
3. The CT secondary shorting terminal according to claim 1, wherein the terminal connector and the terminal connecting seat are both copper.
4. The CT secondary shorting terminal according to claim 1, wherein the terminal handle is made of insulating plastic.
5. The CT secondary shorting terminal of claim 4, wherein the insulating plastic is TPR and PP.
6. The CT secondary shorting terminal as recited in claim 1, wherein one side of the terminal handle for embedding the terminal connecting socket is a flat surface, and the other side is a trapezoidal body.
7. The CT secondary shorting terminal according to claim 6, wherein the trapezoid is provided with a rectangular body.
8. The CT secondary shorting terminal of claim 1, wherein the terminal connection sockets are eight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022593208.2U CN213546754U (en) | 2020-11-11 | 2020-11-11 | CT secondary short circuit terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022593208.2U CN213546754U (en) | 2020-11-11 | 2020-11-11 | CT secondary short circuit terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213546754U true CN213546754U (en) | 2021-06-25 |
Family
ID=76482144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022593208.2U Active CN213546754U (en) | 2020-11-11 | 2020-11-11 | CT secondary short circuit terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213546754U (en) |
-
2020
- 2020-11-11 CN CN202022593208.2U patent/CN213546754U/en active Active
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