CN210897999U

CN210897999U - Intelligent high-frequency switch maintenance-free direct current screen with good sealing performance

Info

Publication number: CN210897999U
Application number: CN201922106405.4U
Authority: CN
Inventors: 张爱顺
Original assignee: Xinxiang Taihang Jinri Electric Power Equipment Co ltd
Current assignee: Xinxiang Taihang Jinri Electric Power Equipment Co ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-06-30
Anticipated expiration: 2029-11-29

Abstract

The utility model discloses an intelligence high frequency switch non-maintaining direct current screen that sealing performance is good, the power distribution box comprises a box body, it is connected with the chamber door to rotate through the hinge on the front outer wall of box, the top outer wall of chamber door, all bond on bottom outer wall and the side one side outer wall has the sealing strip, and the sealing strip is located between chamber door and the box, it has the radiating groove that is upper and lower structure and distributes to open on one side outer wall of box, and there is heat dissipation mechanism inside of radiating groove through bolted connection, heat dissipation mechanism includes the cooling plate, the welding has the semiconductor crystalline grain that the equidistance is the distribution of rectangle structure on one side outer wall of cooling plate, and the one end welding of semiconductor crystalline grain has the heating panel, the welding has the. The utility model discloses a sealing strip is located between chamber door and the box for the sealed effect of direct current screen can promote, and sealed the pad can be sealed completely with the gap between radiating groove and the heat dissipation mechanism, reaches the purpose of the inside electrical components of protection direct current screen.

Description

Intelligent high-frequency switch maintenance-free direct current screen with good sealing performance

Technical Field

The utility model relates to an electrical control technical field especially relates to an intelligence high frequency switch non-maintaining direct current screen that sealing performance is good.

Background

The direct current screen is composed of a mating electricity unit, a charging module unit, a voltage reduction silicon chain unit, a direct current feed unit, a power distribution monitoring unit, a monitoring module unit and an insulation monitoring unit, is mainly applied to small and medium-sized power plants, hydropower stations and various transformer substations in an electric power system, and other users using direct current equipment, and is suitable for occasions such as instruments, relay protection, fault illumination and the like in switch opening and closing and secondary circuits.

But traditional intelligent high frequency switch non-maintaining direct current screen's sealed effect is relatively poor, and when humidity in the air was higher, moisture in the air got into the inside of direct current screen through the gap of direct current screen easily, caused the short circuit or damage scheduling problem of the inside electrical components and parts of direct current screen, made the life of direct current screen shorten. Therefore, it is necessary to design an intelligent high-frequency switch maintenance-free dc panel with good sealing performance to solve the above problems.

Disclosure of Invention

The utility model aims at solving the shortcoming that exists among the prior art, and the intelligent high frequency switch non-maintaining direct current screen that a sealing performance is good that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an intelligence high frequency switch non-maintaining direct current cabinet that sealing performance is good, includes the box, it is connected with the chamber door to rotate through the hinge on the front outer wall of box, all bond on top outer wall, bottom outer wall and the side one side outer wall of chamber door has the sealing strip, and the sealing strip is located between chamber door and the box, it has the radiating groove that is upper and lower structure and distributes to open on one side outer wall of box, and there is heat dissipation mechanism in the inside of radiating groove through bolted connection.

Further, heat dissipation mechanism includes the cooling plate, the welding has the equidistance to be the semiconductor crystalline grain that the rectangle structure distributes on one side outer wall of cooling plate, and the one end welding of semiconductor crystalline grain has the heating panel, the welding has the ka tai on the one side outer wall that the semiconductor crystalline grain was kept away from to the heating panel, and the welding has the fin that becomes upper and lower structure and distribute on the side outer wall of ka tai.

Furthermore, the outer wall of one side of the clamping table is sleeved with a sealing gasket, the sealing gasket is located between the inner wall of one side of the box body and the outer wall of one side of the heat dissipation plate, the outer wall of the front face of the sealing gasket is provided with a clamping groove, and the cooling fins are inserted into the clamping groove.

Furthermore, the four corners of the front outer wall of the cooling plate are provided with mounting holes, and the cooling plate is fixedly connected to the inner wall of one side of the box body through the mounting holes and bolts.

Furthermore, it has the shock attenuation groove to open on the bottom outer wall of box, and the inside grafting of shock attenuation groove has the base, the welding has the damping spring that becomes equidistance and distributes on the top outer wall of base, and the top welding of damping spring is on the top inner wall of shock attenuation groove.

Furthermore, the inner wall of the side surface of the damping groove is provided with guide grooves distributed equidistantly, guide blocks distributed equidistantly are welded on the inner wall of the side surface of the base, and the base is connected inside the guide grooves in a sliding mode through the guide blocks.

Furthermore, a handle is connected to the outer wall of the front side of the box door through a bolt, and a glass window is arranged in the center of the outer wall of the front side of the box door.

The utility model has the advantages that:

1. through the sealing strip and the sealing gasket that set up, the sealing strip is located between chamber door and the box for the sealed effect of direct current screen can promote, and sealed gasket can be sealed totally with the gap between radiating groove and the heat dissipation mechanism, prevents that the moisture in the air from getting into the inside of direct current screen, in order to reach the purpose of the inside electrical components of protection direct current screen, makes the life of direct current screen promote.

2. Through the heat dissipation mechanism that sets up, use semiconductor heat radiation structure to replace traditional heat dissipation fan for the box can be sealed completely, further promotes the sealing performance of box, makes the radiating effect of direct current screen can improve simultaneously, prevents that the overheated damage that causes of the inside electrical components of direct current screen reduces the maintenance cost of direct current screen.

3. Through the base that sets up, be connected with the box through damping spring from doing, can promote the anti-seismic performance of direct current screen, when shock wave conducts to direct current screen from ground, damping spring can prevent to strike and cause the direct current screen to damage with violent shock absorption and weakening, prevents to strike simultaneously through guide block and guide way structure for the base direction, prevents that the box from empting.

Drawings

Fig. 1 is a schematic structural diagram of an intelligent high-frequency switch maintenance-free dc screen with good sealing performance provided by the utility model;

fig. 2 is an explosion schematic diagram of a heat dissipation mechanism structure of an intelligent high-frequency switch maintenance-free dc screen with good sealing performance provided by the utility model;

fig. 3 is the utility model provides a base structure cross-sectional view of intelligence high frequency switch non-maintaining direct current screen that sealing performance is good.

In the figure: the device comprises a box body 1, a box door 2, a glass window 3, a sealing strip 4, a handle 5, a base 6, a heat dissipation groove 7, a heat dissipation mechanism 8, a cooling plate 9, a mounting hole 10, a semiconductor crystal grain 11, a heat dissipation plate 12, a clamping table 13, a heat dissipation plate 14, a sealing gasket 15, a clamping groove 16, a damping groove 17, a damping spring 18, a guide block 19 and a guide groove 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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. 1-3, an intelligent high frequency switch non-maintaining direct current screen that sealing performance is good, including box 1, box 1 formula shaping structure as an organic whole, it is connected with chamber door 2 to rotate through the hinge on box 1's the front outer wall, be convenient for install and maintain the inside electronic components of direct current screen box 1, the top outer wall of chamber door 2, all bond on bottom outer wall and the side one side outer wall sealing strip 4, make the sealed effect of direct current screen promote, and sealing strip 4 is located between chamber door 2 and the box 1, it has radiating groove 7 that is upper and lower structural distribution to open on one side outer wall of box 1, and there is radiating mechanism 8 inside radiating groove 7 through bolted connection, be used for the direct current screen heat dissipation.

Further, the heat dissipation mechanism 8 includes a cooling plate 9, the outer wall of one side of the cooling plate 9 is welded with semiconductor crystal grains 11 distributed in a rectangular structure at equal intervals, and one end of each semiconductor crystal grain 11 is welded with a heat dissipation plate 12, when the cooling plate 9 and the heat dissipation plate 12 are respectively electrified with direct currents with opposite polarities, the heat of the cooling plate 9 can be transmitted to the heat dissipation plate 12 through the semiconductor crystal grains 11, the outer wall of one side of the heat dissipation plate 12 far away from the semiconductor crystal grains is welded with a clamping table 13, and the outer wall of the side face of the clamping table 13 is welded with heat dissipation fins 14 distributed in an up-down structure and used.

Furthermore, the outer wall of one side of the clamping table 13 is sleeved with a sealing gasket 15, the sealing gasket 15 is located between the inner wall of one side of the box body 1 and the outer wall of one side of the heat dissipation plate 12, a gap between the heat dissipation groove 7 and the heat dissipation mechanism 8 is completely sealed, moisture in air is prevented from entering the inside of the direct current screen, the outer wall of the front face of the sealing gasket 15 is provided with a clamping groove 16, and the heat dissipation fins 14 are inserted into the clamping groove 16.

Further, the four corners of the front outer wall of the cooling plate 9 are all provided with mounting holes 10, and the cooling plate 9 is fixedly connected to the inner wall of one side of the box body 1 through the mounting holes and bolts, so that the heat dissipation mechanism is convenient to disassemble and assemble.

Further, it has damping tank 17 to open on the bottom outer wall of box 1, and the inside grafting of damping tank 17 has base 6, supports the direct current screen, and the welding has the damping spring 18 that becomes the equidistance and distributes on the top outer wall of base 6, absorbs and assaults, and the top welding of damping spring 18 is on the top inner wall of damping tank 17.

Furthermore, the inner wall of the side surface of the damping groove 17 is provided with guide grooves 20 distributed at equal intervals, the inner wall of the side surface of the base 6 is welded with guide blocks 19 distributed at equal intervals, and the base is slidably connected inside the guide grooves 20 through the guide blocks 19, so that the movement of the box body 1 and the base 6 in the horizontal direction is limited, and the box body 1 is prevented from toppling.

Furthermore, the front outer wall of the box door 2 is connected with a handle 5 through a bolt, so that the box door 2 can be conveniently opened, and the center of the front outer wall of the box door 2 is provided with a glass window 3, so that an operator can conveniently observe the running condition of the direct current screen.

The working principle is as follows: when the heat dissipation device is used, an operator firstly clamps the sealing gasket 15 on the outer wall of the side face of the clamping table 13 through the clamping groove 16, then integrally clamps the heat dissipation mechanism 8 in the heat dissipation groove 7, enables the sealing gasket 15 to be located between the heat dissipation mechanism 8 and the box body 1, then fixedly connects the heat dissipation mechanism 8 with the box body 1 through the mounting hole 10 and the bolt, and then inserts the base in the damping groove 17, so that the guide block 19 is slidably connected in the guide groove 20; when the direct current with opposite polarities is respectively electrified to the cooling plate 9 and the heat dissipation plate 12, the heat of the cooling plate 9 is transferred to the heat dissipation plate 12 through the semiconductor crystal grain 11, and the heat dissipation plate 12 dissipates the heat to the outside through the heat dissipation fin 14; when impact is transmitted from the ground, the impact is transmitted to the box body 1 through the base 6 and the damping spring 18 in sequence, most of the impact is absorbed by the damping spring 18, the guide block 19 and the guide groove 20 guide the box body 1, the box body 1 is prevented from moving in the left and right directions, the box body 1 is enabled to shake slightly in the vertical direction, and electronic components in the direct current screen are prevented from being damaged.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an intelligence high frequency switch non-maintaining direct current screen that sealing performance is good, includes box (1), its characterized in that, it is connected with chamber door (2) to rotate through the hinge on the front outer wall of box (1), all bond on top outer wall, bottom outer wall and the side one side outer wall of chamber door (2) has sealing strip (4), and sealing strip (4) are located between chamber door (2) and box (1), it has radiating groove (7) that are upper and lower structure distribution to open on one side outer wall of box (1), and there is heat dissipation mechanism (8) inside through bolted connection of radiating groove (7).

2. The intelligent high-frequency switch maintenance-free direct current screen with the good sealing performance is characterized in that the heat dissipation mechanism (8) comprises a cooling plate (9), semiconductor crystal grains (11) which are distributed in a rectangular structure at equal intervals are welded on the outer wall of one side of the cooling plate (9), a heat dissipation plate (12) is welded at one end of each semiconductor crystal grain (11), a clamping table (13) is welded on the outer wall of one side, away from the semiconductor crystal grains, of the heat dissipation plate (12), and heat dissipation fins (14) which are distributed in an up-and-down structure are welded on the outer wall of the side face of the clamping table (13).

3. The maintenance-free direct current screen of the intelligent high-frequency switch with the good sealing performance is characterized in that a sealing gasket (15) is sleeved on the outer wall of one side of the clamping table (13), the sealing gasket (15) is located between the inner wall of one side of the box body (1) and the outer wall of one side of the heat dissipation plate (12), a clamping groove (16) is formed in the outer wall of the front face of the sealing gasket (15), and the radiating fins (14) are inserted into the clamping groove (16).

4. The maintenance-free direct current screen of the intelligent high-frequency switch with good sealing performance as claimed in claim 2, wherein mounting holes (10) are formed in four corners of the outer wall of the front face of the cooling plate (9), and the cooling plate (9) is fixedly connected to the inner wall of one side of the box body (1) through the mounting holes and bolts.

5. The maintenance-free direct current screen of an intelligent high-frequency switch with good sealing performance as claimed in claim 1, wherein a damping groove (17) is formed in the outer wall of the bottom of the box body (1), a base (6) is inserted into the damping groove (17), damping springs (18) distributed at equal intervals are welded on the outer wall of the top of the base (6), and the top ends of the damping springs (18) are welded on the inner wall of the top of the damping groove (17).

6. The maintenance-free direct current screen of an intelligent high-frequency switch with good sealing performance as claimed in claim 5, wherein the inner side wall of the damping groove (17) is provided with guide grooves (20) distributed at equal intervals, the inner side wall of the base (6) is welded with guide blocks (19) distributed at equal intervals, and the base (6) is slidably connected inside the guide grooves (20) through the guide blocks (19).

7. The intelligent high-frequency switch maintenance-free direct current screen with good sealing performance is characterized in that a handle (5) is connected to the outer wall of the front face of the box door (2) through a bolt, and a glass window (3) is arranged in the center of the outer wall of the front face of the box door (2).