CN216289054U - Current secondary circuit short circuit device that opens a way - Google Patents
Current secondary circuit short circuit device that opens a way Download PDFInfo
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- CN216289054U CN216289054U CN202122982036.2U CN202122982036U CN216289054U CN 216289054 U CN216289054 U CN 216289054U CN 202122982036 U CN202122982036 U CN 202122982036U CN 216289054 U CN216289054 U CN 216289054U
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Abstract
本实用新型公开一种电流二次回路开路短接装置，涉及继电器保护技术领域，包括：第一接线端，第二接线端、连接导线和穿心式电流表；第一接线端与第二接线端结构相同，第一接线端和第二接线端通过连接导线连接，穿心式电流表设置与连接导线上；第一接线端包括第一外壳和第二外壳；第一外壳内部设置用于安装第一压板的第一安装槽，第一压板的外侧中间位置设置第一导电板，第一导电板外侧中间位置设置第一弧形凹槽，其中第一弧形凹槽设置与第一压板固定连接的第一刀刃；第一导电板与连接导线的一端连接；第一紧固凹槽和第二紧固凹槽内设置压紧件。本实用新型通过安全快速的短接方式，保持电流二次回路继续安全运行。
The utility model discloses a current secondary circuit open-circuit short-circuiting device, which relates to the technical field of relay protection, comprising: a first terminal, a second terminal, a connecting wire and a through-core ammeter; The structure is the same, the first terminal and the second terminal are connected by a connecting wire, and the feed-through ammeter is arranged on the connecting wire; The first installation groove of the pressure plate, the first conductive plate is arranged in the middle position of the outer side of the first pressure plate, and the first arc-shaped groove is arranged at the middle position of the outer side of the first conductive plate, wherein the first arc-shaped groove is fixedly connected with the first pressure plate. The first blade; the first conductive plate is connected with one end of the connecting wire; the pressing member is arranged in the first fastening groove and the second fastening groove. The utility model keeps the current secondary circuit running safely through the safe and fast short-circuiting method.
Description
Technical Field
The utility model relates to the technical field of relay protection, in particular to an open-circuit short-circuit device for a current secondary circuit.
Background
In the power system, the current terminal is used as important secondary equipment and is used for being connected into the secondary equipment, and the normal operation of the current terminal ensures the normal operation of a current secondary loop and the secondary equipment. When an open-circuit fault occurs at the current terminal, the process is performed after the primary equipment is deactivated. The mode needs to arrange time for power failure and change the current terminal, so that the time for processing the opening of the current loop is long, and a larger operation risk is caused to a power grid and related secondary equipment.
In actual application, the problems that high voltage generated by an open circuit of an alternating current secondary circuit damages equipment and can not be processed without power outage, and the safety of a power grid and the power supply of a user are influenced are solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of disclosing a current secondary circuit open-circuit short-circuit device aiming at the defects in the prior art.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
an open-circuit short-circuit device for a current secondary loop, comprising:
the device comprises a first terminal, a second terminal, a connecting lead and a feed-through ammeter;
the first wiring terminal and the second wiring terminal are the same in structure, the first wiring terminal and the second wiring terminal are connected through a connecting lead, and the feed-through ammeter is arranged on the connecting lead;
the first terminal comprises a first shell and a second shell, a first circular groove is formed in the inner side of the first shell, a second circular groove is formed in the inner side of the second shell, and a circular through hole formed by the first groove and the second groove is used for sleeving an external lead;
a first mounting groove for mounting a first pressure plate is formed in the first shell, a first current-conducting plate is arranged in the middle of the outer side of the first pressure plate, a first arc-shaped groove is formed in the middle of the outer side of the first current-conducting plate, and the first arc-shaped groove is provided with a first cutting edge fixedly connected with the first pressure plate;
the first conductive plate is connected with one end of a connecting wire, and the other end of the connecting wire is connected with a second wiring terminal;
the outer sides of the first shell and the second shell are provided with a first fastening groove and a second fastening groove, and a pressing piece is arranged in the first fastening groove and the second fastening groove.
According to a further technical scheme of the utility model, at least two groups of first pressing plates are arranged, and the first conductor plates of the first pressing plates are connected through a lead.
A second mounting groove for mounting a second pressure plate is formed in the second shell, a second current-conducting plate is arranged in the middle of the outer side of the second pressure plate, and a second arc-shaped groove is formed in the middle of the outer side of the second current-conducting plate and is formed in a second cutting edge fixedly connected with the second pressure plate; the second pressing plate and the first pressing plate are arranged on the same plane.
According to a further technical scheme of the utility model, the first shell is provided with a wiring port for connecting with a connecting lead, and the inside of the wiring port is connected with the conductor through the lead.
According to a further technical scheme of the utility model, the side edges of the first shell and the second shell are connected through a rubber connecting piece.
As a further technical scheme of the utility model, the pressing piece is a ribbon or a stretching buckle.
According to a further technical scheme of the utility model, the first shell and the second shell are made of polyethylene insulating materials.
As a further technical scheme of the utility model, the connecting lead is 4mm2The connecting leads of (2).
Compared with the prior art, the utility model has the following advantages:
the utility model keeps the current secondary loop to continue to operate safely by a safe and quick short circuit mode, thereby ensuring the safety of primary and secondary equipment and the power supply of users. The utility model realizes the uninterrupted short circuit processing of a current loop, keeps equipment continuously running, improves the power supply reliability and realizes the real-time monitoring of the current. The device short circuit is reliable, and is little to the cable damage, has realized the repair of not having a power failure that the electric current secondary circuit was opened a way, has realized the processing of not having a power failure that the electric current secondary circuit was opened a way, has changed the change of the processing mode that the electric current secondary circuit was opened a way, has practiced thrift a large amount of manpower and materials.
Drawings
Fig. 1 is a structural diagram of an open-circuit short-circuit device of a current secondary circuit according to the present invention;
fig. 2 is a structural view of the first terminal according to the present invention;
fig. 3 is a cross-sectional view of the first terminal according to the present invention;
fig. 4 is a cross-sectional view of the first housing according to the present invention;
shown in the figure:
10-a first terminal, 20-a second terminal, 30-a connecting wire, 40-a feed-through ammeter;
101-first housing, 102-second housing, 103-first press plate, 104-first knife edge, 105-pressing piece, second press plate 106, 107-second knife edge, 108-wiring port;
111-first groove, 112-first mounting groove, 113-first fastening groove, 114-rubber connector;
121-a second groove, 122-a second fastening groove, 123-a second mounting groove;
131-first conductive plate, 132-wire;
161-second conductive plate.
Detailed Description
The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that functional, methodological, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.
It should be noted that the structures, proportions, sizes, and other dimensions shown in the drawings and described in the specification are only for the purpose of understanding and reading the present disclosure, and are not intended to limit the scope of the present disclosure, which is defined by the following claims, and any modifications of the structures, changes in the proportions and adjustments of the sizes, without affecting the efficacy and attainment of the same, are intended to fall within the scope of the present disclosure.
In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
As shown in fig. 1 to 4, which illustrate an embodiment of the present invention,
as shown in fig. 1 to 4, an open-circuit short-circuit device for a current secondary circuit includes:
a first terminal 10, a second terminal 20, a connecting lead 30 and a feed-through ammeter 40;
the structure of the first terminal 10 is the same as that of the second terminal 20, the first terminal 10 and the second terminal 20 are connected through a connecting lead 30, and the feed-through ammeter 40 is arranged on the connecting lead 30;
the first terminal 10 comprises a first housing 101 and a second housing 102, wherein a first groove 111 is arranged on the inner side of the first housing 101, a second groove 121 is arranged on the inner side of the second housing 102, and the first groove 111 and the second groove 121 form a circular through hole for sleeving an external lead;
a first mounting groove 112 for mounting the first pressure plate 103 is arranged in the first casing 101, a first conductive plate 131 is arranged at the middle position of the outer side of the first pressure plate 103, and a first arc-shaped groove 1311 is arranged at the middle position of the outer side of the first conductive plate 131, wherein the first arc-shaped groove is provided with a first blade 104 fixedly connected with the first pressure plate 103;
the first conductive plate 131 is connected to one end of the connection wire 30, and the other end of the connection wire 30 is connected to the second terminal 20;
the first and second fastening grooves 113 and 122 are disposed on the outer sides of the first and second housings 101 and 102, and the pressing members 105 are disposed in the first and second fastening grooves 113 and 122.
In the embodiment of the present invention, at least two sets of the first pressing plates 103 are disposed, and the first conductive plates 131 of the first pressing plates 103 are connected by the wires 132.
In order to ensure the reliable connection of the short-circuit wires, a second mounting groove 123 for mounting a second pressure plate 106 is arranged inside the second housing 102, a second conductive plate 161 is arranged at the middle position outside the second pressure plate 106, and a second arc-shaped groove 1611 is arranged at the middle position outside the second conductive plate 161, wherein the second arc-shaped groove is provided with a second blade 107 fixedly connected with the second pressure plate 106; the second pressing plate 106 and the first pressing plate 103 are arranged on the same plane. The second current conducting plate that the inside setting of second shell contacts when first shell and second shell compress tightly with the first current conducting plate of first shell, improves the contact reliability.
In the embodiment of the present invention, the first housing 101 is provided with a wire connection port 108 for connecting with the connection wire 30, and the inside of the wire connection port 108 is connected with the first conductive plate 131 through a wire 132. Can dismantle connecting wire and first shell through setting up the wiring mouth, the wiring mouth can adopt bolt fixed connection wire, also can adopt plug-in slot to be connected with the connecting wire who has plug-in plug, facilitates the use, to the short circuit distance of difference, can adopt the connecting wire of different length.
In the embodiment of the present invention, the sides of the first casing 101 and the second casing 102 are connected by a rubber connector 114. The rubber connecting piece is used for realizing the connection of the first shell and the second shell, can be stretched, is convenient for the installation of the first shell and the second shell, and is not easy to drop.
The utility model keeps the current secondary loop to continue to operate safely by a safe and quick short circuit mode, thereby ensuring the safety of primary and secondary equipment and the power supply of users. The device passes through a circleThe two ends of the open circuit loop are firmly connected in a short circuit mode, the connection firmness is guaranteed by adopting two connectors on each side, the pressing piece 105 is a ribbon or a stretching buckle, the first shell 101 and the second shell 102 are made of polyethylene insulating materials, and the connecting lead 30 is 4mm2The connecting leads of (2). And a straight-through current transformer is penetrated on the connecting lead and used for measuring the current of the lead and confirming the connection reliability. When in short circuit, the sheath of the wire is firstly broken by the joint to be conducted to the loop, and after the current transformer is observed to have current, the ribbon is screwed up, so that the short circuit of the current can be realized.
The utility model realizes the uninterrupted short circuit processing of the current loop, keeps the equipment running continuously, improves the reliability of power supply and realizes the real-time monitoring of the current. The device short circuit is reliable, and is little to the cable damage, has realized the repair of not having a power failure that the electric current secondary circuit was opened a way, has realized the processing of not having a power failure that the electric current secondary circuit was opened a way, has changed the change of the processing mode that the electric current secondary circuit was opened a way, has practiced thrift a large amount of manpower and materials.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122982036.2U CN216289054U (en) | 2021-11-30 | 2021-11-30 | Current secondary circuit short circuit device that opens a way |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122982036.2U CN216289054U (en) | 2021-11-30 | 2021-11-30 | Current secondary circuit short circuit device that opens a way |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216289054U true CN216289054U (en) | 2022-04-12 |
Family
ID=81041397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122982036.2U Active CN216289054U (en) | 2021-11-30 | 2021-11-30 | Current secondary circuit short circuit device that opens a way |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216289054U (en) |
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2021
- 2021-11-30 CN CN202122982036.2U patent/CN216289054U/en active Active
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