CN216491705U - High-low voltage switch with wiring protection function - Google Patents

Abstract

The utility model discloses a high-low voltage switch with a wiring protection function, which comprises a switch control box, wherein a protection joint is arranged on the front end surface of the switch control box, the interior of the protection joint is composed of an upper cover plate and a lower cover plate, arc-shaped grooves are arranged on the front end surfaces of the upper cover plate and the lower cover plate, fixing clamp posts are arranged at corresponding positions at two ends of the lower cover plate, a clamping part is embedded and fixed with the fixing clamp posts through embedding grooves, two positioning groove holes are arranged in the upper cover plate, two positioning guide posts are arranged in the lower cover plate, the positioning guide posts are correspondingly connected with the positioning groove holes, a wire arranging box is arranged in the switch control box, and the wire arranging box is connected with the protection joint through a lead. According to the utility model, the protection joint structure which is convenient to assemble is arranged, so that the internal lead can be conveniently limited and fixed, and meanwhile, when a circuit fault occurs, the protection joint structure can be disassembled in time, so that the circuit is convenient to overhaul.

Description

A high and low voltage switch with wiring protection function

technical field

The utility model relates to the technical field of high and low voltage switches, in particular to a high and low voltage switch with a wiring protection function.

Background technique

As the name implies, high and low voltage switchgear is a device that connects high voltage or low voltage cables. Generally, power supply bureaus and substations use high voltage cabinets, which are then stepped down by transformers to low voltage cabinets, and then low voltage cabinets to each power distribution box. It is nothing more than an electrical equipment that assembles some protective devices such as switch circuit breakers into one. The high and low voltage switchgear is a kind of electrical equipment. The outside line first enters the main control switch in the cabinet, and then enters the sub-control switch, and each sub-circuit is set according to its needs. Such as instruments, automatic control, motor magnetic switches, various AC contactors, etc., and some also have high-voltage room and low-voltage room switch cabinets, high-voltage busbars, such as power plants, etc. load shedding.

The current high and low voltage switches are prone to circuit failures during wiring, and it is inconvenient to disassemble and maintain the terminal parts. Therefore, the market needs to develop a new type of high and low voltage switches with wiring protection function to solve the above problems.

Utility model content

The purpose of this utility model is to provide a high and low voltage switch with a wiring protection function, so as to solve the problem that the current high and low voltage switches proposed in the above-mentioned background technology are prone to circuit failures when wiring, and it is inconvenient to perform wiring at the head of the wiring. Disassembly and maintenance problems.

In order to achieve the above purpose, the utility model provides the following technical solutions: a high and low voltage switch with wiring protection function, including a switch control box, the front end surface of the switch control box is provided with a protective joint, and the interior of the protective joint is covered by an upper cover. The upper cover and the lower cover are composed of a detachable structure. The front surfaces of the upper cover and the lower cover are provided with arc grooves, and the two ends of the upper cover are installed There is an engaging part, the lower surface of the engaging part is provided with a fitting groove, the corresponding positions of both ends of the lower cover plate are installed with fixed clamping posts, and the clamping part is fitted and fixed with the fixed clamping posts through the fitting grooves, The inside of the upper cover plate is provided with two positioning slot holes, the inside of the lower cover plate is installed with two positioning guide posts, the positioning guide posts and the positioning slot holes are correspondingly connected, and the inside of the switch control box is installed with a rational line The cable management box is connected with the protective connector through the wire.

Preferably, the front end surface of the switch control box is respectively provided with a first terminal block, a second terminal block and a third terminal block.

Preferably, the cable management box and the switch control box are fixed by bolts.

Preferably, the arc-shaped groove is a semi-circular structure, and the two arc-shaped grooves are distributed symmetrically up and down.

Preferably, the side surface of the switch control box is provided with a cooling groove.

Preferably, a radiator is installed inside the switch control box.

Compared with the prior art, the beneficial effects of the present utility model are:

(1) A protective joint is installed on the front surface of the switch control box. The interior of the protective joint is composed of an upper cover and a lower cover. The upper cover and the lower cover are detachable. The structure and the guide post are fitted and fixed, and the protective joint can be assembled and fixed conveniently and quickly. The alignment between the upper cover and the lower cover is accurate and the connection is tight. Its internal wires are fixed by convenient limit, and when a circuit failure occurs, it can be disassembled in time to facilitate the maintenance of the circuit;

(2) The side surface of the switch control box is provided with a heat dissipation groove, and a radiator is installed inside the switch control box. The heat dissipation design protection of the switch control box facilitates the heat dissipation of the internal components and wires, and plays a good role in protection. Effect.

Description of drawings

1 is a schematic diagram of the external structure of a switch control box of the present invention;

2 is a schematic diagram of the internal structure of the switch control box of the present invention;

3 is a schematic diagram of the partial installation structure of the protective joint of the present invention;

FIG. 4 is a schematic diagram of the explosion decomposition structure of the protective joint of the present invention.

In the figure: 1, switch control box; 2, protective connector; 3, radiator; 4, heat sink; 5, first terminal; 6, second terminal; 7, third terminal; 8, wire; 9 , cable management box; 10, upper cover plate; 11, engaging part; 12, fixed clamping column; 13, positioning guide column; 14, arc groove; 15, lower cover plate; 16, positioning slot hole; 17, embedded slot.

Detailed ways

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. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example.

1-4, an embodiment provided by the present invention: a high and low voltage switch with wiring protection function, including a switch control box 1, the front end surface of the switch control box 1 is provided with a protective joint 2, the protective joint 2 The interior is composed of the upper cover 10 and the lower cover 15, the upper cover 10 and the lower cover 15 are detachable structures, and the front surfaces of the upper cover 10 and the lower cover 15 are provided with arcs The two ends of the upper cover 10 are provided with engaging parts 11, the lower surface of the engaging part 11 is provided with engaging grooves 17, and the corresponding positions of both ends of the lower cover 15 are installed with fixed clamping posts 12. The engaging portion 11 is fitted and fixed with the fixed clamping post 12 through the fitting groove 17 , two positioning slot holes 16 are arranged inside the upper cover 10 , and two positioning guide posts 13 are installed inside the lower cover 15 . The column 13 is connected with the positioning slot 16 correspondingly. A wire management box 9 is installed inside the switch control box 1 , and the wire management box 9 is connected with the protective joint 2 through the wire 8 .

Further, the front end surface of the switch control box 1 is provided with a first terminal 5, a second terminal 6 and a third terminal 7, respectively.

Further, the cable management box 9 and the switch control box 1 are fixed by bolts.

Further, the arc-shaped grooves 14 are semicircular structures, and the two arc-shaped grooves 14 are distributed symmetrically up and down.

Further, the side surface of the switch control box 1 is provided with a heat dissipation groove 4 .

Further, a radiator 3 is installed inside the switch control box 1 .

Working principle: When in use, the front surface of the switch control box 1 is equipped with a protective joint 2. The interior of the protective joint 2 is composed of the upper cover 10 and the lower cover 15. The upper cover 10 and the lower cover 15 As a detachable structure, the front end surfaces of the upper cover 10 and the lower cover 15 are provided with arc grooves 14, both ends of the upper cover 10 are installed with engaging parts 11, and the lower surfaces of the engaging parts 11 are provided with embedded parts. In the engaging groove 17 , fixed clamping posts 12 are installed at the corresponding positions of both ends of the lower cover 15 , the engaging portion 11 is fitted and fixed with the fixed clamping posts 12 through the fitting groove 17 , and two fixed clamping posts 12 are arranged inside the upper cover 10 Positioning slot 16, two positioning guide posts 13 are installed inside the lower cover 15, and the positioning guide posts 13 are connected with the positioning slot 16 correspondingly. The connector 2 is fast and easy to assemble and fix. The upper cover 10 and the lower cover 15 are precisely aligned and tightly connected. The protective connector 2 structure is provided for convenient assembly, which can conveniently limit the internal wires. At the same time, when a circuit failure occurs, it can be disassembled in time to facilitate the maintenance of the circuit. The heat dissipation design protection of the switch control box 1 is convenient for the heat dissipation of the internal components and wires, which has a good protection effect. .

It will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, and that the present invention may be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments are to be considered in all respects as exemplary and not restrictive, and the scope of the present invention is defined by the appended claims rather than the foregoing description, and it is therefore intended that the All changes within the meaning and range of the required equivalents are embraced within the present invention. Any reference signs in the claims shall not be construed as limiting the involved claim.

Claims (6)

1. A high-low voltage switch with a wiring protection function comprises a switch control box (1) and is characterized in that a protection joint (2) is installed on the surface of the front end of the switch control box (1), the interior of the protection joint (2) is jointly composed of an upper cover plate (10) and a lower cover plate (15), a detachable structure is arranged between the upper cover plate (10) and the lower cover plate (15), arc-shaped grooves (14) are formed in the surfaces of the front ends of the upper cover plate (10) and the lower cover plate (15), clamping parts (11) are installed at two ends of the upper cover plate (10), embedding grooves (17) are formed in the lower surface of the clamping parts (11), fixing clamping columns (12) are installed at positions corresponding to the two ends of the lower cover plate (15), the clamping parts (11) are fixedly embedded with the fixing clamping columns (12) through the embedding grooves (17), two positioning slotted holes (16) are formed in the interior of the upper cover plate (10), two positioning guide columns (13) are mounted inside the lower cover plate (15), the positioning guide columns (13) are correspondingly connected with the positioning groove holes (16), a wire arranging box (9) is mounted inside the switch control box (1), and the wire arranging box (9) is connected with the protective joint (2) through a lead (8).

2. The high-low voltage switch with the wiring protection function according to claim 1, characterized in that: the front end surface of the switch control box (1) is provided with a first connector lug (5), a second connector lug (6) and a third connector lug (7) respectively.

3. The high-low voltage switch with the wiring protection function according to claim 1, characterized in that: the wire arranging box (9) and the switch control box (1) are fixed through bolts.

4. The high-low voltage switch with the wiring protection function according to claim 1, characterized in that: the arc-shaped grooves (14) are of semicircular structures, and the two arc-shaped grooves (14) are distributed in an up-and-down symmetrical mode.

5. The high-low voltage switch with the wiring protection function according to claim 1, characterized in that: and a heat dissipation groove (4) is formed in the side surface of the switch control box (1).

6. The high-low voltage switch with the wiring protection function according to claim 1, characterized in that: and a radiator (3) is arranged in the switch control box (1).

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