WO2021135215A1

WO2021135215A1 - Internally adjustable electrical control cabinet

Info

Publication number: WO2021135215A1
Application number: PCT/CN2020/106936
Authority: WO
Inventors: 倪晔波; 冯广周
Original assignee: 太仓德纳森机电工程有限公司
Priority date: 2019-12-30
Filing date: 2020-08-05
Publication date: 2021-07-08
Also published as: CN111009836A; DE202020106623U1

Abstract

An internally adjustable electrical control cabinet, which relates to the technical field of electrical control cabinets. The internally adjustable electrical control cabinet comprises a box body (1). The lower end of the box body (1) is fixedly connected to a base (2). The upper inner wall of the box body (1) is fixedly connected to a pair of electric push rods (5). The upper inner wall of the box body (1) is fixedly connected to a temperature controller (6). The lower ends of the electric push rods (5) are fixedly connected to a vertical rod (7). The end of the vertical rod (7) close to the inner wall of the box body (1) is fixedly connected to a plurality of first magnets (8). Left and right ends of the box body (1) are both provided with a plurality of air holes (9). A first filter screen (10) is fixedly connected between inner walls of a portion of the air holes (9). The positions of the first magnets (8) correspond to the positions of the remaining air holes (9). The upper and lower inner walls of the remaining air holes (9) are both provided with a chute (11). Sliding blocks (12) are slidably connected in the chutes (11). During the use of the electrical control cabinet, the opening and closing of heat dissipation holes can be adjusted by means of identifying the temperature within the electrical control cabinet, thus reducing the amount of external dust entering the inside of the electrical control cabinet by means of the heat dissipation holes.

Description

An internal adjustment type electric control cabinet

Technical field

The present invention relates to the technical field of electrical control cabinets, in particular to an internally adjusted electrical control cabinet.

Background technique

The electrical control cabinet is to assemble the switchgear, measuring instruments, protective appliances and auxiliary equipment in a closed or semi-enclosed metal cabinet or on the screen according to the electrical wiring requirements. The layout should meet the requirements of the normal operation of the power system, easy to overhaul, and not endangered For the safety of the person and surrounding equipment, the circuit can be turned on or off by means of manual or automatic switches during normal operation, and the circuit or alarm can be cut off by protective appliances during fault or abnormal operation. Various parameters in operation can be displayed by measuring instruments. Adjust certain electrical parameters, prompt or signal deviations from normal working conditions, and are often used in power generation, distribution, and substations.

Since a large amount of heat is generated inside the electrical control cabinet when it is working, the electrical control cabinet must be provided with heat dissipation holes. Many electrical control cabinets are used outdoors, and there is a lot of dust in the surrounding environment. If the heat dissipation holes are opened for a long time, it is easy to cause the inside of the electrical control cabinet. Accumulation of dust will affect the functions of internal electrical components, and a large amount of dust will affect the heat dissipation of electrical components, which is easy to cause accidents and bring safety hazards. Therefore, corresponding countermeasures are required

Summary of the invention

The purpose of the present invention is to overcome the shortcomings of the prior art and provide an internally adjustable electrical control cabinet, which can recognize the temperature in the electrical control cabinet during the use of the electrical control cabinet, adjust the opening and closing of the radiating holes, and reduce Outside dust enters the inside of the electrical control cabinet through the heat dissipation holes.

In order to achieve the above objective, the technical solution adopted by the present invention is:

An internally adjustable electrical control cabinet, comprising a box body, the lower end of the box body is fixedly connected with a base, the upper inner wall of the box body is fixedly connected with a pair of electric push rods, and the upper inner wall of the box body is fixedly connected with a temperature control A vertical rod is fixedly connected to the lower end of the electric push rod, a plurality of first magnets are fixedly connected to the end of the vertical rod close to the inner wall of the box body, and a plurality of air holes are opened on both the left and right ends of the box body, so A first filter screen is fixedly connected between the inner walls of the part of the air holes, the position of the first magnet corresponds to the position of the remaining air holes, and the upper and lower inner walls of the remaining air holes are provided with sliding grooves, and the sliding grooves are slidably connected There is a sliding block, a compression spring is fixedly connected between the right end of the sliding block and the right inner wall of the sliding groove, the end of the sliding block close to each other is fixedly connected with a connecting block, and a pair of the connecting blocks is fixedly connected with a first Two magnet blocks, a pair of connecting blocks is fixedly connected to a filter plate at one end far away from the first magnet, the filter plate is provided with a mounting hole, and a second filter screen is fixedly connected between the left and right inner walls of the mounting hole, one The partitions are fixedly connected between the filter plates, which can realize that during the use of the electrical control cabinet, the temperature in the electrical control cabinet can be recognized, and the opening and closing of the heat dissipation holes can be adjusted to reduce the external dust entering the electrical control cabinet through the heat dissipation holes. internal.

Further, the upper end of the box body is fixedly connected with a baffle, and the upper surface of the baffle is provided with a drainage groove, and the rainwater can be effectively guided by the baffle, and the possibility of rainwater entering the inside of the box is reduced.

Further, the front end of the box body is rotatably connected with a sealed door, and the front end of the sealed door is fixedly connected with a window. The technician can observe the situation inside the box body through the window and take corresponding measures according to the situation inside the box body.

Further, the inner wall is fixedly connected with the staggered distribution of the air holes of the first filter screen, and the staggered distribution of the air holes can carry out a uniform gas exchange inside the box body to obtain a better heat dissipation effect.

Further, the upper and lower ends of the partition are fixedly connected with sealing gaskets, which increase the airtightness between the partition and the inner wall of the air hole, and reduce the possibility of dust entering the box body.

Further, the outer surface of the box body is connected with an anti-rust layer, and the anti-rust layer can slow down the erosion rate of the outer surface of the box body and improve the service life of the box body.

Further, the surface of the slider is connected with a polishing layer, and the surface of the polishing layer is connected with a lubricating oil layer. The polishing layer and the lubricating oil layer can reduce the friction between the slider and the inner wall of the sliding groove.

Due to the application of the above technical solutions, the present invention has the following advantages compared with the prior art:

The advantages of the solution of the present invention are:

(1) This solution can realize that during the use of the electrical control cabinet, the temperature in the electrical control cabinet can be recognized, and the opening and closing of the heat dissipation holes can be adjusted to reduce external dust entering the inside of the electrical control cabinet through the heat dissipation holes.

(2) The upper end of the box body is fixedly connected with a baffle, and the upper surface of the baffle is provided with a drainage groove, through which the rainwater can be effectively guided, and the possibility of rainwater entering the inside of the box is reduced.

(3) The front end of the box body is rotatably connected with a sealed door, and the front end of the sealed door is fixedly connected with a window. The technician can observe the inside of the box through the window and take corresponding measures according to the situation in the box.

(4) The staggered distribution of the pores of the first filter screen fixedly connected to the inner wall, the staggered distribution of the pores can carry out uniform gas exchange inside the box, and obtain better heat dissipation effect.

(5) The upper and lower ends of the partition are fixedly connected with sealing gaskets, which increase the airtightness between the partition and the inner wall of the air hole and reduce the possibility of dust entering the box.

(6) The outer surface of the box body is connected with an anti-rust layer, which can slow down the corrosion rate of the outer surface of the box body and improve the service life of the box body.

(7) The surface of the sliding block is connected with a grinding layer, and the surface of the grinding layer is connected with a lubricating oil layer. The grinding layer and the lubricating oil layer can reduce the friction between the sliding block and the inner wall of the chute.

Description of the drawings

The technical scheme of the present invention will be further explained below in conjunction with the accompanying drawings:

Figure 1 is a schematic diagram of the structure of the present invention;

Figure 2 is a front cross-sectional view of the present invention;

Fig. 3 is a schematic diagram of the structure at A in Fig. 2;

Fig. 4 is a schematic diagram of the structure of the electric push rod of the present invention when it is extended;

Figure 5 is a side cross-sectional view of the present invention.

Among them: 1. cabinet; 2. base; 3. baffle; 4. window; 5. electric push rod; 6. temperature controller; 7. vertical rod; 8. first magnet; 9. air hole; 10. A filter screen; 11, chute; 12, slider; 13, connecting block; 14, second magnet block; 15, filter plate; 16, mounting hole; 17, second filter screen; 18, partition; 19, compressed spring.

Detailed ways

The present invention will be further described in detail below in conjunction with the drawings and specific embodiments.

As shown in Figures 1-5, an internally adjustable electrical control cabinet according to the present invention includes a box body 1, a base 2 is fixedly connected to the lower end of the box body 1, and a pair of electric pushers are fixedly connected to the upper inner wall of the box body 1 Rod 5, the upper inner wall of the box 1 is fixedly connected with a temperature controller 6. The temperature controller 6 of the present invention is REX-C100. The technician can choose according to the actual situation. The temperature controller 6 controls the opening of the electric push rod 5 And closed, the lower end of the electric push rod 5 is fixedly connected with a vertical rod 7, and the end of the vertical rod 7 close to the inner wall of the box body 1 is fixedly connected with a plurality of first magnets 8, and the left and right ends of the box body 1 are provided with a plurality of air holes 9 , The first filter screen 10 is fixedly connected between the inner walls of part of the air holes 9. The position of the first magnet 8 corresponds to the position of the remaining air holes 9. The upper and lower inner walls of the remaining air holes 9 are provided with sliding grooves 11, and the sliding grooves 11 slide A sliding block 12 is connected, a compression spring 19 is fixedly connected between the right end of the sliding block 12 and the right inner wall of the sliding groove 11, the end of the sliding block 12 close to each other is fixedly connected with a connecting block 13, and a pair of connecting blocks 13 is fixedly connected There is a second magnet block 14. The second magnet block 14 repels the first magnet 8. The end of the connecting block 13 away from the first magnet 8 is fixedly connected to the filter plate 15. The filter plate 15 is provided with a mounting hole 16 and a mounting hole 16 A second filter screen 17 is fixedly connected between the left and right inner walls, and a partition 18 is fixedly connected between a pair of filter plates 15.

Refer to Figure 1-5, the upper end of the box 1 is fixedly connected with a baffle 3, and the upper surface of the baffle 3 is provided with a drainage groove. The baffle 3 can effectively guide rainwater, reducing the possibility of rainwater entering the inside of the box 1. , The front end of the box 1 is rotatably connected with a sealed door, and the front end of the sealed door is fixedly connected with a window 4. The technician can observe the inside of the box 1 through the window 4, and take corresponding measures according to the situation in the box 1. The inner wall is fixed The air holes 9 connected to the first filter screen 10 are staggered, and the staggered distribution of the air holes 9 can evenly exchange gas inside the box 1 to obtain better heat dissipation effect. The upper and lower ends of the partition 18 are fixedly connected with gaskets. , The gasket increases the airtightness between the partition 18 and the inner wall of the air hole 9 and reduces the possibility of dust entering the box 1. The outer surface of the box 1 is connected with an anti-rust layer, which can slow down the outer surface of the box 1. The erosion rate increases the service life of the box body 1. The surface of the slider 12 is connected with a polishing layer, and the surface of the polishing layer is connected with a lubricant layer. The polishing layer and the lubricant layer can reduce the friction between the slider 12 and the inner wall of the slide groove 11.

When using, please refer to Figure 1-5. The technician will place the cabinet 1 in the designated position. When the temperature controller 6 detects that the temperature in the cabinet 1 rises to the specified value, the temperature controller 6 controls the electric push rod 5 to extend , The first magnet 8 and the second magnet block 14 are close to each other, the second magnet block 14 is moved away from the first magnet 8 by the repulsive force of the second magnet block 14 and the first magnet 8, and the compression spring 19 is compressed by the slider 12, As a result, the partition 18 extends out of the air hole 9, and the box body 1 passes through the second filter screen 17 to increase the air exchange rate and increase the cooling efficiency. When the temperature in the box body 1 drops to a specified value, the temperature controller 6 controls the electric push rod 5. Contraction, under the action of the elastic force of the compression spring 19, the partition 18 is reset, reducing the number of openings of the air holes 9 and reducing the possibility of external dust entering. Compared with the prior art, the present invention can be implemented in the use process of the electrical control cabinet. By identifying the temperature in the electrical control cabinet and adjusting the opening and closing of the heat dissipation holes, it is possible to reduce external dust entering the inside of the electrical control cabinet through the heat dissipation holes.

The above are only specific application examples of the present invention, and do not constitute any limitation on the protection scope of the present invention. All technical solutions formed by equivalent transformations or equivalent replacements fall within the protection scope of the present invention.

Claims

An internally adjustable electrical control cabinet includes a box body (1), the lower end of the box body (1) is fixedly connected with a base (2), and is characterized in that: the upper inner wall of the box body (1) is fixedly connected with a pair of electric Push rod (5), the upper inner wall of the box (1) is fixedly connected with a temperature controller (6), the lower end of the electric push rod (5) is fixedly connected with a vertical rod (7), the vertical rod ( 7) A plurality of first magnets (8) are fixedly connected to one end close to the inner wall of the box body (1), and the left and right ends of the box body (1) are provided with a plurality of air holes (9), and the partial air holes (9) A first filter screen (10) is fixedly connected between the inner walls of ), the position of the first magnet (8) corresponds to the position of the remaining air holes (9), and the upper and lower inner walls of the remaining air holes (9) are provided with A sliding groove (11), a sliding block (12) is slidably connected in the sliding groove (11), and a compression spring (19) is fixedly connected between the right end of the sliding block (12) and the right inner wall of the sliding groove (11) ), one end of the sliding block (12) close to each other is fixedly connected with a connecting block (13), a second magnet block (14) is fixedly connected between a pair of the connecting blocks (13), a pair of the connecting blocks (13) The end far away from the first magnet (8) is fixedly connected with a filter plate (15), the filter plate (15) is provided with a mounting hole (16), and the left and right inner walls of the mounting hole (16) are fixed between A second filter screen (17) is connected, and a partition (18) is fixedly connected between the pair of filter plates (15).
An internally adjustable electrical control cabinet according to claim 1, characterized in that: the upper end of the box (1) is fixedly connected with a baffle (3), and the upper surface of the baffle (3) is provided with a drainage groove.
An internally adjustable electrical control cabinet according to claim 1, characterized in that: the front end of the box body (1) is rotatably connected with a sealed door, and the front end of the sealed door is fixedly connected with a window (4).
The internally adjusted electrical control cabinet according to claim 1, wherein the inner wall is fixedly connected with the air holes (9) of the first filter screen (10) in a staggered distribution.
The internally adjustable electrical control cabinet according to claim 1, characterized in that the upper and lower ends of the partition (18) are fixedly connected with sealing gaskets.
An internally adjustable electrical control cabinet according to claim 1, characterized in that: the outer surface of the box body (1) is connected with an anti-rust layer.
The internally adjustable electrical control cabinet according to claim 1, wherein the surface of the sliding block (12) is connected with a polishing layer, and the surface of the polishing layer is connected with a lubricating oil layer.