CN210016076U - Current short-circuit device - Google Patents
Current short-circuit device Download PDFInfo
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- CN210016076U CN210016076U CN201920394541.5U CN201920394541U CN210016076U CN 210016076 U CN210016076 U CN 210016076U CN 201920394541 U CN201920394541 U CN 201920394541U CN 210016076 U CN210016076 U CN 210016076U
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- short circuit
- short
- sliding block
- slider
- guide rail
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- 239000002184 metal Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
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Abstract
The utility model discloses a current short circuit device, including the short circuit slide rail with can follow the gliding a plurality of short circuit plugs of length direction of short circuit slide rail, and the short circuit plug is used for being connected with the terminal electricity on the terminal row. Because the short circuit plug can freely slide along the length direction of short circuit slide rail, the distance between the adjacent short plug connector can carry out corresponding adjustment along with the distance between the terminal on the terminal row to guarantee that the terminal on short circuit plug and the terminal row can effectively cooperate, consequently, this electric current short circuit device can be suitable for the condition of arranging of CT secondary terminal under the multiple different situation, simple structure not only, safe and reliable moreover.
Description
Technical Field
The utility model relates to an electric power system relay protection technical field, in particular to electric current short circuit device.
Background
In the working process of transforming power transmission by relay protection or other secondary circuits of a partial CT (Current transformer) needing to be cut off in an electrified way, in order to prevent the CT secondary coil from being opened in an electrified way, a Current short-circuit device is needed, the Current short-circuit device can reliably short-circuit the CT secondary coil, and the danger that the CT secondary coil is not opened in the electrified way is ensured.
Most of the currently used current short-circuit devices are four-plug or eight-plug devices, although the arrangement of partial CT secondary terminal rows can be met, for some old substations or substations with irregular design, the situation that phases of secondary alternating current loops are far away from each other or other alternating current loops are crossed in the middle can occur, and particularly for the combined current situation occurring in 3/2 wiring, the conventional four-plug or eight-plug devices cannot meet the requirements.
Therefore, how to adapt to the arrangement situation of the CT secondary terminals in various different situations is a technical problem that needs 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 current short circuit device can adapt to the condition of arranging of CT secondary terminal under the multiple different situation, not only simple structure, safe and reliable moreover.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a current short circuit device, includes the short circuit slide rail, and can follow the gliding a plurality of short circuit plugs of length direction of short circuit slide rail, just the short circuit plug is used for being connected with the terminal electricity on the terminal row.
Preferably, the short-circuit sliding rail is connected with the short plug connector through a sliding block.
Preferably, the short circuit slide rail includes parallel arrangement's first guide rail and second guide rail, and with first guide rail with first baffle and the second baffle that the second guide rail is all perpendicular and continuous.
Preferably, the slide block comprises a first slide block and a second slide block;
the first sliding block comprises a first sliding block body and a first sliding block clamping arm which is arranged on the first sliding block body and is used for being in contact with the upper edges of the first guide rail and the second guide rail;
the second sliding block comprises a second sliding block body and a second sliding block clamping arm which is arranged on the second sliding block body and is used for being in contact with the lower edges of the first guide rail and the second guide rail;
the short-circuit plug is arranged on the second sliding block clamping arm.
Preferably, the first sliding block is provided with a through hole for the bolt to pass through, and the second sliding block is correspondingly provided with a blind hole for the bolt to pass through.
Preferably, the inner wall of the through hole is a smooth inner wall, and the inner wall of the blind hole is provided with threads matched with the bolt.
Preferably, still include and be used for the cover to detain the short circuit slide rail, first slider, the second slider, and the insulating casing of bolt.
Preferably, the insulating housing comprises a first insulating housing and a second insulating housing which are profiled with the short circuit sliding rail, and the first insulating housing and the second insulating housing are fixed through plugging or screwing.
Preferably, the first insulating shell and the second insulating shell are made of insulating plastics.
Preferably, the short circuit slide rail, the first slider, the second slider, and the short circuit plug are made of conductive metal.
According to the technical scheme provided by the utility model, the utility model discloses a current short circuit device, including the short circuit slide rail with can follow the gliding a plurality of short circuit plugs of length direction of short circuit slide rail, and the short circuit plug is used for being connected with the terminal electricity on the terminal row. Because the short circuit plug can freely slide along the length direction of short circuit slide rail, the distance between the adjacent short plug connector can carry out corresponding adjustment along with the distance between the terminal on the terminal row to guarantee that the terminal on short circuit plug and the terminal row can effectively cooperate, consequently, this electric current short circuit device can be suitable for the condition of arranging of CT secondary terminal under the multiple different situation, simple structure not only, safe and reliable moreover.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art are briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic view of an overall structure of a current shorting device disclosed in an embodiment of the present invention;
fig. 2 is a schematic view of a structure of a short-circuit plug and a slider in cooperation in an embodiment of the present invention;
fig. 3 is a schematic side view of the short-circuit plug and slider disclosed in the embodiment of the present invention;
fig. 4 is a schematic structural diagram of the current shorting device in use when the terminals on the terminal strip are adjacent to each other in the embodiment of the present invention;
fig. 5 is a schematic structural diagram of the current shorting device in use when the terminals on the terminal strip are arranged at intervals as disclosed in the embodiment of the present invention.
Wherein, each part name is as follows:
1-short circuit sliding rail, 11-first guide rail, 12-second guide rail, 13-first baffle, 14-second baffle, 2-short circuit plug, 3-terminal row, 41-first sliding block, 411-first sliding block body, 412-first sliding block clamping arm, 413-through hole, 42-second sliding block, 421-second sliding block body, 422-second sliding block clamping arm, 423-blind hole, 5-bolt, 61-first insulating shell and 62-second insulating shell.
Detailed Description
In view of this, the utility model discloses a core lies in providing a current short circuit device, can be suitable for the condition of arranging of CT secondary terminal under the multiple different situation, not only simple structure, safe and reliable moreover.
In order to make the technical field better understand the solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and the detailed description.
The embodiment of the utility model provides a disclosed electric current short circuit device, including short circuit slide rail 1 with can follow a plurality of short circuit plugs 2 of the gliding length direction of short circuit slide rail 1, and short circuit plug 2 is used for being connected with the terminal electricity on the terminal row 3. Because short circuit plug 2 can freely slide along the length direction of short circuit slide rail 1, the distance between the adjacent short plug 2 can carry out corresponding adjustment along with the distance between the terminal on 3 rows of terminals to guarantee that the terminal on short circuit plug 2 and the terminal row 3 can effectively cooperate, consequently, this electric current short circuit device can be suitable for the condition of arranging of CT secondary terminal under the multiple different situation, simple structure not only, safe and reliable moreover.
Referring to fig. 4 and 5, fig. 4 is a schematic structural view of the current shorting device when the terminals on the terminal strip are close to each other in the embodiment of the present invention; fig. 5 is the embodiment of the utility model provides an in the disclosed structure schematic diagram when terminal interval arrangement on the terminal row when electric current short circuit device uses, because when terminal next-door neighbour arranges and interval arrangement on the terminal row 3, the distance between two adjacent terminals is different, consequently, the distance between the adjacent short circuit plug 2 on the short circuit slide rail 1 can carry out corresponding adjustment along with different terminal row 3.
In order to guarantee that short connector 2 can be on short circuit slide rail 1 smooth slip, as the utility model discloses a one of them embodiment still is provided with the slider, and short circuit slide rail 1 and short circuit plug 2 are connected through the slider, and the slider drives short circuit plug 2 and freely slides on short circuit slide rail 1.
It should be noted that the short circuit sliding rail 1 includes a first guide rail 11 and a second guide rail 12 which are arranged in parallel, and a first baffle 13 and a second baffle 14 which are perpendicular to and connected to both the first guide rail 11 and the second guide rail 12. The first guide rail 11 and the second guide rail 12 are used for being matched with the sliding blocks to adjust the distance between two adjacent short circuit plugs 2, and the first baffle 13 and the second baffle 14 can limit the sliding blocks.
As shown in fig. 1 and 2, the slider includes a first slider 41 and a second slider 42; the first slider 41 includes a first slider body 411, and a first slider catching arm 412 provided on the first slider body 411 and adapted to contact upper edges of the first rail 11 and the second rail 12; the second slider 42 includes a second slider body 421, and a second slider clamping arm 422 disposed on the second slider body 421 and configured to contact with the lower edges of the first guide rail 11 and the second guide rail 12; short circuit plug 2 is disposed on second slider card arm 422. The first slider clamping arm 412 can drive the first slider body 411 to move on the short-circuit sliding rail 1, and the second slider clamping arm 422 can drive the second slider body 421 to move on the short-circuit slider 1.
Referring to fig. 2, the first slider 41 and the second slider 42 are respectively in a T-shaped structure, when the current short-circuiting device needs to be connected to the terminal block 3 in a matching manner, the first slider 41 is placed in a positive T-shaped structure, the second slider 42 is placed in an inverted T-shaped structure, and at this time, the first slider body 411 and the second slider body 421 are arranged oppositely.
It should be noted that a through hole 413 for passing the bolt 5 is formed in the first slider 41, and a blind hole 423 for passing the bolt 5 is correspondingly formed in the second slider 42. The bolt 5 can connect the first slider 41 and the second slider 42 through the through hole 413 and the blind hole 423. Certainly, the tightness of the bolt 5 can be adjusted, and when the bolt 5 is loosened, the first sliding block 41 and the second sliding block 42 can freely slide on the short-circuit sliding rail 1, so as to drive the short plug 2 to freely slide on the short-circuit guide rail 1; when the bolt 5 is tightened, the first slider 41 and the second slider 42 are fixed on the short circuit sliding rail 1, and the position of the short circuit plug 2 on the short circuit sliding rail 1 is kept unchanged.
It is understood that, in the current shorting device disclosed in the embodiment of the present invention, the inner wall of the through hole 413 is set to be a smooth inner wall, so as to ensure that the bolt 5 can freely enter and exit the through hole 413; the inner wall of the blind hole 423 is provided with threads for fitting with the bolt 5 to ensure that the bolt 5 can be effectively screwed down with the blind hole 423.
In order to satisfy the requirement of site work security, can not take place the risk of electrocuteeing when guaranteeing that the staff holds the electric current short circuit device, the utility model discloses an in another embodiment, the electric current short circuit device is still detained short circuit slide rail 1, first slider 41, second slider 42 and bolt 5's insulating casing including being used for the cover.
In order to facilitate the installation and the disassembly, the insulating shell comprises a first insulating shell 61 and a second insulating shell 62 which are profiled with the short circuit sliding rail 1, and the first insulating shell 61 and the second insulating shell 62 are fixed through plugging or screwing. The first insulating housing 61 and the second insulating housing 62 are buckled together, the short circuit sliding rail 1, the first sliding block 41, the second sliding block 42 and the bolt 5 are all buckled, and only the short circuit plug 2 is exposed.
The first insulating housing 61 and the second insulating housing 62 are preferably made of insulating plastic, so that the weight is light, and the electric conduction is prevented.
In order to ensure that secondary current can be reliable and smoothly flow, the embodiment of the utility model discloses among the disclosed current shorting device, short circuit slide rail 1, first slider 41, second slider 42 to and short circuit plug 2 all adopt conductive metal to make.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
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 (6)
1. The current short-circuit device is characterized by comprising a short-circuit sliding rail (1) and a plurality of short-circuit plugs (2) capable of sliding along the length direction of the short-circuit sliding rail (1), wherein the short-circuit plugs (2) are used for being electrically connected with terminals on a terminal row (3);
the short-circuit sliding rail (1) is connected with the short-circuit plug (2) through a sliding block;
the short circuit sliding rail (1) comprises a first guide rail (11) and a second guide rail (12) which are arranged in parallel, and a first baffle (13) and a second baffle (14) which are perpendicular to and connected with the first guide rail (11) and the second guide rail (12);
the slide block (4) comprises a first slide block (41) and a second slide block (42);
the first sliding block (41) comprises a first sliding block body (411) and a first sliding block clamping arm (412) which is arranged on the first sliding block body (411) and is used for being in contact with the upper edges of the first guide rail (11) and the second guide rail (12);
the second sliding block (42) comprises a second sliding block body (421) and a second sliding block clamping arm (422) which is arranged on the second sliding block body (421) and is used for being in contact with the lower edges of the first guide rail (11) and the second guide rail (12);
the short-circuit plug (2) is arranged on the second sliding block clamping arm (422);
the first sliding block (41) is provided with a through hole (413) for a bolt (5) to pass through, and the second sliding block (42) is correspondingly provided with a blind hole (423) for the bolt (5) to pass through.
2. Current shorting device according to claim 1, characterized in that the inner wall of the through hole (413) is a smooth inner wall, and the inner wall of the blind hole (423) is provided with a thread for cooperation with the bolt (5).
3. Current shorting device according to claim 1, further comprising an insulating housing for housing the shorting slide (1), the first slider (41), the second slider (42), and the bolt (5).
4. Short-circuiting device according to claim 3, characterised in that said insulating housings comprise a first insulating housing (61) and a second insulating housing (62) profiled with said short-circuiting slide (1), and in that said first insulating housing (61) and second insulating housing (62) are fixed by plugging or screwing.
5. Current shorting device according to claim 4, characterized in that the first (61) and second (62) insulating housings are made of insulating plastic.
6. Current shorting device according to claim 1, characterized in that the shorting slide (1), the first slider (41), the second slider (42), and the shorting plug (2) are made of conductive metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920394541.5U CN210016076U (en) | 2019-03-26 | 2019-03-26 | Current short-circuit device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920394541.5U CN210016076U (en) | 2019-03-26 | 2019-03-26 | Current short-circuit device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210016076U true CN210016076U (en) | 2020-02-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920394541.5U Active CN210016076U (en) | 2019-03-26 | 2019-03-26 | Current short-circuit device |
Country Status (1)
| Country | Link |
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| CN (1) | CN210016076U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112436349A (en) * | 2020-11-17 | 2021-03-02 | 贵州电网有限责任公司 | Quick short circuit of relay protection current loop and bridging device |
| CN112444648A (en) * | 2020-11-17 | 2021-03-05 | 贵州电网有限责任公司 | Relay protection current loop rapid test wiring device |
| CN112462249A (en) * | 2020-11-03 | 2021-03-09 | 广东电网有限责任公司佛山供电局 | Wiring auxiliary device for circuit breaker test |
| CN112698128A (en) * | 2020-12-08 | 2021-04-23 | 惠州蓄能发电有限公司 | Relay protection function verification short circuit device and method |
-
2019
- 2019-03-26 CN CN201920394541.5U patent/CN210016076U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112462249A (en) * | 2020-11-03 | 2021-03-09 | 广东电网有限责任公司佛山供电局 | Wiring auxiliary device for circuit breaker test |
| CN112462249B (en) * | 2020-11-03 | 2022-08-16 | 广东电网有限责任公司佛山供电局 | Wiring auxiliary device for circuit breaker test |
| CN112436349A (en) * | 2020-11-17 | 2021-03-02 | 贵州电网有限责任公司 | Quick short circuit of relay protection current loop and bridging device |
| CN112444648A (en) * | 2020-11-17 | 2021-03-05 | 贵州电网有限责任公司 | Relay protection current loop rapid test wiring device |
| CN112436349B (en) * | 2020-11-17 | 2022-05-20 | 贵州电网有限责任公司 | Quick short circuit of relay protection current loop and bridging device |
| CN112698128A (en) * | 2020-12-08 | 2021-04-23 | 惠州蓄能发电有限公司 | Relay protection function verification short circuit device and method |
| CN112698128B (en) * | 2020-12-08 | 2024-02-23 | 惠州蓄能发电有限公司 | Relay protection function verification short circuit device and method |
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