CN220106399U - Multi-path relay for high-power overcurrent protection - Google Patents

Abstract

The utility model discloses a multi-path relay for high-power overcurrent protection, and relates to the technical field of relays. The utility model comprises a plurality of wire holders, wherein the wire holders are used for multi-channel wire connection, any wire holder is correspondingly provided with a limiting assembly, the limiting assembly comprises a limiting holder, a cavity is partitioned inside the limiting holder, a limiting screw is connected to the top of the cavity in a threaded manner, a limiting block is fixed at the bottom of the limiting screw, and the limiting block is positioned inside the cavity. According to the utility model, the limit assembly is arranged for limiting and reinforcing the terminal, so that the situation that the terminal is worn and falls off due to stressed movement after the terminal is positioned in the wire holder is avoided.

Description

Multi-path relay for high-power overcurrent protection

Technical Field

The utility model belongs to the technical field of relays, and particularly relates to a multi-path relay for high-power overcurrent protection.

Background

The overcurrent protection relay protects the element by a current protection operation. The over-current protection is generally divided into a fixed time limit and an inverse time limit over-current protection, a current quick break protection and a single-phase grounding protection of a neutral point non-grounding system. The current transformer and the current relay form a measuring element which is used for judging whether the current passing through a line exceeds the standard, the time relay is a delay element which ensures the selectivity of the device action by proper delay, and the signal relay is used for sending out a protection action signal.

Like current publication patent, the high-power multichannel relay for overcurrent protection of patent publication No. CN 114975010A, including the relay body, the relay body includes armature, installs the feeler lever on the armature, be equipped with the tapping column on the feeler lever, the feeler lever is kept away from the one end of tapping column and is connected with the insulator spindle, the upper and lower both ends face of insulator spindle all is equipped with the pressure post. According to the utility model, the traditional point contact movable contact and static contact are changed into the surface contact movable contact column and static contact column, and the movable contact column is contacted with and separated from the static contact column in a folding and dispersing mode, so that the movable contact column can be rapidly disconnected from the static contact column when a circuit is overloaded, the action aging of a relay is ensured, and the plurality of contact pieces are uniformly wrapped around the static contact column to be tightly attached to the static contact column, so that charges are uniformly distributed along the peripheral surface of the static contact column, the problem of combustion damage caused by excessive local side electric charge of the static contact column can be prevented, and the service lives of the movable contact column and the static contact column are prolonged.

However, the device still has a complex structure and complicated operation, and therefore, the utility model provides a multi-path relay for high-power overcurrent protection so as to improve the technical problems.

Disclosure of Invention

The utility model aims to provide a multi-path relay for high-power overcurrent protection, which solves the problems that the wire ends are easy to wear and even fall off due to poor fixing effect of the existing wire ends on the wire ends by limiting and reinforcing the ends of the wire ends through a limiting assembly.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model discloses a multi-path relay for high-power overcurrent protection, which comprises a plurality of wire holders, wherein the wire holders are used for multi-path wire connection, any wire holder is correspondingly provided with a limiting assembly, the limiting assembly comprises a limiting holder, a cavity is partitioned inside the limiting holder, the top of the cavity is in threaded connection with a limiting screw, a limiting block is fixed at the bottom of the limiting screw, and the limiting block is positioned inside the cavity.

Further, the bottom of the wire holder is connected with a wire board, and a plurality of circuit elements are mounted on the wire board.

Furthermore, the protection strips are fixed on the side edges of the wiring board at equal intervals, and the protection strips are arranged in a frame-type structure.

Further, the guard bar spans across the wiring board, and the top of the guard bar is located above the circuit element.

Further, the junction plate corner is provided with a mounting hole, and the mounting hole is used for connecting the junction plate with an external structure.

Further, screw holes are formed in the side of the wiring board at equal intervals, and the screw holes are used for fixing the protection strips and the side of the wiring board.

The utility model has the following beneficial effects:

according to the utility model, the limit assembly is arranged for limiting and reinforcing the terminal, so that the situation that the terminal is worn and falls off due to stressed movement after the terminal is positioned in the wire holder is avoided.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of one side of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the other side of the overall structure of the present utility model;

fig. 3 is a front view schematically showing the overall structure of the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. a wiring board; 2. a guard bar; 3. a wire holder; 4. a limit component; 41. a limit seat; 42. a chamber; 43. a limiting block; 44. a limit screw; 5. a circuit element.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1-3, the utility model discloses a multi-path relay for high-power overcurrent protection, which comprises a plurality of wire holders 3, wherein the wire holders 3 are used for multi-path wire connection, any wire holder 3 is correspondingly provided with a limiting component 4, the limiting component 4 comprises a limiting seat 41, a cavity 42 is partitioned inside the limiting seat 41, a limiting screw 44 is connected with the top of the cavity 42 in a threaded manner, a limiting block 43 is fixed at the bottom of the limiting screw 44, and the limiting block 43 is positioned inside the cavity 42;

in the multi-path relay for high-power overcurrent protection, through arranging the limiting assembly 4 to limit and strengthen the terminal, the situation that the terminal is worn and falls off due to stress movement after the terminal is fixed in the wire holder 3 is avoided, and the use mode of the limiting assembly 4 is that the wire head penetrates through the cavity 42 and is connected to the inside of the wire holder 3, then the limiting screw 44 is screwed, and the limiting block 43 is abutted against a cable under the action of the limiting screw 44, so that the limit of the cable is realized.

As shown in fig. 1-3, the bottom of the wire holder 3 is connected with a wire board 1, and a plurality of circuit elements 5 are mounted on the wire board 1;

the side edge of the wiring board 1 is fixed with protective strips 2 at equal intervals, and the protective strips 2 are arranged in a frame structure; the protective strip 2 spans across the wiring board 1, and the top of the protective strip 2 is positioned at the upper part of the circuit element 5; screw holes are formed in the side of the wiring board 1 at equal intervals, and the screw holes are used for fixing the protective strips 2 and the side of the wiring board 1;

in the high-power multi-path relay for overcurrent protection, the protective strip 2 is used for protecting the upper structure of the wiring board 1, so that the upper structure of the wiring board 1 is prevented from being directly extruded, deformed and damaged when the high-power multi-path relay for overcurrent protection is extruded;

mounting holes are formed in corners of the wiring board 1 and are used for connecting the wiring board 1 with an external structure;

in the multi-path relay for high-power overcurrent protection, the wiring board 1 is used as an inscribed circuit structure and also used as a positioning structure, and is responsible for fixing with an external structure so as to fix a working unit of the multi-path relay.

In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. The utility model provides a high-power multi-path relay for overcurrent protection, its characterized in that, including a plurality of connection terminal (3), a plurality of connection terminal (3) are used for multichannel wiring, arbitrary connection terminal (3) correspond and are provided with spacing subassembly (4), spacing subassembly (4) are including spacing seat (41), its spacing seat (41) internal separation has cavity (42), cavity (42) top threaded connection has spacing screw (44), just spacing screw (44) bottom is fixed with stopper (43), stopper (43) are located inside cavity (42).

2. The multi-path relay for high-power overcurrent protection according to claim 1, wherein the wiring base (3) is connected with a wiring board (1) at the bottom thereof, and a plurality of circuit elements (5) are mounted on the wiring board (1).

3. The multi-path relay for high-power overcurrent protection according to claim 2, wherein the protective strips (2) are fixed on the side edges of the wiring board (1) at equal intervals, and the protective strips (2) are arranged in a frame structure.

4. A multi-way relay for high-power overcurrent protection according to claim 3, characterized in that the protective strip (2) straddles the wiring board (1) and the top of the protective strip (2) is located above the circuit element (5).

5. The multi-path relay for high-power overcurrent protection according to claim 2, wherein mounting holes are formed in corners of the wiring board (1), and the mounting holes are used for connecting the wiring board (1) with an external structure.

6. The multi-path relay for high-power overcurrent protection according to claim 2, wherein screw holes are formed in the side of the wiring board (1) at equal intervals, and the screw holes are used for fixing the protective strip (2) and the side of the wiring board (1).