High-efficiency heat dissipation power distribution cabinet

Abstract

The invention relates to an efficient heat dissipation power distribution cabinet which comprises a shell, two power distribution cabinet bodies are arranged beside the shell, the shell is in a cuboid shape, openings are formed in the front end and the rear end of the shell, two heat absorption grids are arranged in the shell, the longitudinal positions of the two heat absorption grids are consistent with those of the power distribution cabinet bodies, and the outer side walls of the heat absorption grids are attached to the side wall of an inner cavity of the shell. The bottom wall of an inner cavity of the shell is fixedly connected with two sets of lower sliding strips, the top wall of the inner cavity of the shell is fixedly connected with two sets of upper sliding strips, the two lower sliding strips in the same set are matched with the front edge and the rear edge of the bottom wall of the heat absorption grid, and the two upper sliding strips in the same set are matched with the front edge and the rear edge of the top wall of the heat absorption grid. Support strips are fixedly connected to the two side walls of the front portion of the inner cavity of the shell, and fan mounting plates are fixedly connected to the support strips on the two sides. The power distribution cabinet is cooled in a direct heat absorption mode, and an air flow channel is prevented from being arranged in the power distribution cabinet, so that dust entering the power distribution cabinet is reduced, and short circuit and fire risks are reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of distribution cabinets, and particularly relates to a distribution cabinet with efficient heat dissipation. Background Art

[0002] In the distribution cabinet, electrical components are densely arranged and the space is small. The heat generated by the electrical components will cause the temperature inside the distribution cabinet to rise. Excessive temperature will cause the electrical components to age rapidly, the insulation performance to decline, and may lead to serious consequences such as short circuits and fires. Especially for key equipment such as high-voltage distribution cabinets and transformers, the heat problem will directly affect their normal operation and lifespan.

[0003] In the prior art, generally, a way of setting air ducts is adopted to dissipate heat from the distribution cabinet, that is, an inlet and an outlet for convection are set on the distribution cabinet housing, and the heat is carried away by the air flow flowing through the distribution cabinet. However, this method will bring dust in the air into the distribution cabinet together, and the dust entering the electrical components is likely to cause electrical short circuits and fires. Summary of the Invention

[0004] The purpose of the present invention is to provide a distribution cabinet with efficient heat dissipation, which cools the distribution cabinet in a direct heat absorption manner, avoids setting air flow channels in the distribution cabinet, thereby reducing the entry of dust into the distribution cabinet and reducing the risks of short circuits and fires.

[0005] To achieve the above purpose, the present invention provides the following technical solutions:

[0006] A distribution cabinet with efficient heat dissipation includes a housing. There are two distribution cabinets beside the housing. The housing is in a cuboid shape. There are openings at the front and rear ends of the housing. There are two heat absorption grids in the housing. The longitudinal positions of the two heat absorption grids are the same as those of the distribution cabinets. The outer side walls of the heat absorption grids are attached to the inner side walls of the housing cavity. The heat absorption grids are provided with square cylinders. There are multiple heat dissipation fins arranged in parallel in the square cylinders. Two groups of sliding bars are fixedly connected to the bottom wall of the housing cavity, and two groups of upper sliding bars are fixedly connected to the top wall of the housing cavity. The two sliding bars in the same group cooperate with the front and rear edges of the bottom wall of the heat absorption grid, and the two upper sliding bars in the same group cooperate with the front and rear edges of the top wall of the heat absorption grid. Support bars are fixedly connected to the two side walls at the front part of the housing cavity. A fan mounting plate is fixedly connected to the two support bars. A number of heat dissipation fans are installed on the fan mounting plate. The number of heat dissipation fans is arranged in an array. Installation frames are respectively provided at the openings at the front and rear ends of the housing cavity. A diffuser plate is fixedly connected to the installation frame. The diffuser plate is provided with a plurality of diffuser ventilation holes.

[0007] Specifically, four heat dissipation fans are installed on the fan mounting plate, and the four heat dissipation fans are arranged in a square array.

[0008] Specifically, the upper sliding bar is composed of two L-shaped bars and a U-shaped bar. The cross-section of the L-shaped bar is L-shaped, and the cross-section of the U-shaped bar is two U-shaped characters connected end to end. The lower side edges of the two L-shaped bars are fixedly connected to each other, the upper side edges of the two L-shaped bars are fixedly connected to the top wall of the inner cavity of the housing, and the U-shaped bar is fixedly connected to the bottom side at the junction of the two L-shaped bars.

[0009] Specifically, the structure of the lower sliding bar is the same as that of the upper sliding bar.

[0010] Specifically, the heat sinks are arranged horizontally, and the distance between adjacent heat sinks is 3-6 mm.

[0011] Specifically, the material of the heat absorption grid is aluminum.

[0012] Specifically, the ventilation holes are evenly distributed on the diffuser plate, and the aperture of the ventilation holes is 2-4 mm.

[0013] 8. The high-efficiency heat-dissipating power distribution cabinet according to claim 1, wherein: there is a heat dissipation gap between the two heat absorption grids, and the heat dissipation gap is greater than 5 cm.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] There are two power distribution cabinets 1 beside the housing 2. There are rows of electrical components in the power distribution cabinet 1. In order to keep the temperature in the power distribution cabinet 1 at a lower level, there are two heat absorption grids 3 in the housing 2, and the longitudinal positions of the two heat absorption grids 3 are the same as those of the power distribution cabinet 1. The material of the heat absorption grid 3 is aluminum, and the heat absorption grid 3 can quickly absorb the heat emitted by the power distribution cabinet 1.

[0016] The heat absorption grid 3 is provided with a square cylinder body, and there are multiple heat sinks 31 arranged side by side in the square cylinder body. Each heat sink 31 is arranged horizontally, and the distance between adjacent heat sinks 31 is 3-6 mm. Both side walls at the front part of the inner cavity of the housing 2 are fixedly connected with support bars 61, and a fan mounting plate 62 is fixedly connected between the two side support bars 61. A number of heat dissipation fans 63 are installed on the fan mounting plate 62, and the number of heat dissipation fans 63 is arranged in an array. Installation frames 71 are respectively provided at the front and rear openings of the inner cavity of the housing 2, and a diffuser plate 72 is fixedly connected to the installation frame 71, and a plurality of diffuser ventilation holes are opened on the diffuser plate 72.

[0017] The heat dissipation fans 63 draw air, sucking the low-temperature air outside the housing 2 into it. The air is drawn into the housing 2 through the multiple diffuser ventilation holes provided on the diffuser plate 72, so that the drawn-in gas is evenly dispersed. Subsequently, the gas sequentially passes through the heat sinks 31 provided on the two heat absorption grids 3, and the distance between adjacent heat sinks 31 is 3-6 mm, enabling the heat absorption grid 3 to have a sufficient heat exchange area. When the air flow passes through the heat sinks 31, it can quickly take away the heat of the heat sinks 31, thereby increasing the heat absorption rate of the heat absorption grid 3, so as to keep the corresponding power distribution cabinet 1 at a lower temperature and prevent the electrical components from malfunctioning due to excessive temperature.

[0018] The present invention cools the power distribution cabinet in a direct heat absorption manner, avoiding the setting of air flow channels in the power distribution cabinet, thereby reducing the entry of dust into the power distribution cabinet and reducing the risks of short circuit and fire. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0020] Figure 1 External view of the power distribution cabinet for efficient heat dissipation;

[0021] Figure 2 Internal view of the power distribution cabinet for efficient heat dissipation;

[0022] Figure 3 Another internal view of the power distribution cabinet for efficient heat dissipation;

[0023] Figure 4 View of the heat absorption grid.

[0024] In the figure:

[0025] 1. Power distribution cabinet; 2. Housing; 3. Heat absorption grid; 31. Heat sink; 4. Lower slide bar; 5. Upper slide bar; 51. L-shaped bar; 52. U-shaped bar;

[0026] 61. Support bar; 62. Fan mounting plate; 63. Heat dissipation fan; 71. Mounting frame; 72. Diffuser plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments.

[0028] See Figures 1 to 4 , a power distribution cabinet for efficient heat dissipation, including a housing 2, and two power distribution cabinets 1 are provided beside the housing 2. The housing 2 is in a cuboid shape, and openings are provided at the front and rear ends of the housing 2. Two heat absorption grids 3 are provided inside the housing 2, and the longitudinal positions of the two heat absorption grids 3 are the same as those of the power distribution cabinets 1. The outer side walls of the heat absorption grids 3 are attached to the inner side walls of the housing 2 cavity.

[0029] The heat absorption grid 3 is provided with a square cylinder body, and a plurality of heat dissipation fins 31 arranged in parallel are provided inside the square cylinder body. Two sets of downward sliding strips 4 are fixedly connected to the bottom wall of the inner cavity of the housing 2, and two sets of upward sliding strips 5 are fixedly connected to the top wall of the inner cavity of the housing 2. The two downward sliding strips 4 in the same group cooperate with the front and rear edges of the bottom wall of the heat absorption grid 3. The two upward sliding strips 5 in the same group cooperate with the front and rear edges of the top wall of the heat absorption grid 3. Bracket strips 61 are fixedly connected to both side walls of the front part of the inner cavity of the housing 2, and a fan mounting plate 62 is fixedly connected to the two bracket strips 61. A plurality of heat dissipation fans 63 are installed on the fan mounting plate 62, and the plurality of heat dissipation fans 63 are arranged in an array. Installation frames 71 are respectively provided at the front and rear openings of the inner cavity of the housing 2, a diffuser plate 72 is fixedly connected to the installation frame 71, and a plurality of diffuser ventilation holes are formed in the diffuser plate 72.

[0030] Specifically, the fan mounting plate 62 is provided with four heat dissipation fans 63, and the four heat dissipation fans 63 are arranged in a square array.

[0031] Specifically, the upward sliding strip 5 is composed of two L-shaped strips 51 and a U-shaped strip 52. The cross-section of the L-shaped strip 51 is L-shaped, and the cross-section of the U-shaped strip 52 is two U-shaped characters connected end to end. The lower side edges of the two L-shaped strips 51 are fixedly connected to each other, and the upper side edges of the two L-shaped strips 51 are fixedly connected to the top wall of the inner cavity of the housing 2. The U-shaped strip 52 is fixedly connected to the bottom side at the junction of the two L-shaped strips 51.

[0032] Specifically, the downward sliding strip 4 has the same structure as the upward sliding strip 5.

[0033] Specifically, the heat dissipation fins 31 are arranged horizontally, and the distance between adjacent heat dissipation fins 31 is 3-6 mm.

[0034] Specifically, the heat absorption grid 3 is made of aluminum.

[0035] Specifically, the ventilation holes are uniformly distributed on the diffuser plate 72, and the aperture of the ventilation holes is 2-4 mm.

[0036] Specifically, there is a heat dissipation distance between the two heat absorption grids 3, and the heat dissipation distance is greater than 5 cm.

[0037] The working principle of the present invention is as follows:

[0038] There are two power distribution cabinets 1 beside the housing 2. A row of electrical components are provided in the power distribution cabinets 1. In order to keep the temperature in the power distribution cabinets 1 at a relatively low level, two heat absorption grids 3 are provided in the housing 2, and the longitudinal positions of the two heat absorption grids 3 are the same as those of the power distribution cabinets 1. The heat absorption grid 3 is made of aluminum, and the heat absorption grid 3 can quickly absorb the heat emitted by the power distribution cabinets 1.

[0039] The heat absorption grid 3 is provided with a square cylinder body, and a plurality of heat dissipation fins 31 arranged in parallel are provided in the square cylinder body. Each heat dissipation fin 31 is arranged horizontally, and the distance between adjacent heat dissipation fins 31 is 3-6 mm. On both side walls of the front part of the inner cavity of the housing 2, support bars 61 are fixedly connected. The two support bars 61 are fixedly connected with a fan mounting plate 62, and a plurality of heat dissipation fans 63 are mounted on the fan mounting plate 62. The plurality of heat dissipation fans 63 are arranged in an array. Installation frames 71 are respectively provided at the front and rear openings of the inner cavity of the housing 2. The installation frames 71 are fixedly connected with flow-dispersing plates 72, and a plurality of flow-dispersing ventilation holes are formed in the flow-dispersing plates 72.

[0040] The heat dissipation fans 63 draw air, sucking in low-temperature air outside the housing 2. The air is drawn into the housing 2 through the plurality of flow-dispersing ventilation holes provided in the flow-dispersing plate 72, so that the drawn-in gas is dispersed evenly. Subsequently, the gas sequentially passes through the heat dissipation fins 31 provided in the two heat absorption grids 3. The distance between adjacent heat dissipation fins 31 is 3-6 mm, enabling the heat absorption grid 3 to have a sufficient heat exchange area. When the air flow passes through the heat dissipation fins 31, it can quickly take away the heat of the heat dissipation fins 31, thereby increasing the heat absorption rate of the heat absorption grid 3, so that the corresponding power distribution cabinet 1 is maintained at a lower temperature, avoiding failures of electrical components due to excessive temperature.

[0041] The present invention cools the power distribution cabinet in a direct heat absorption manner, avoiding the setting of air flow channels in the power distribution cabinet, thereby reducing the entry of dust into the power distribution cabinet and reducing the risks of short circuits and fires.

[0042] The above are only the preferred embodiments of the present invention, and do not impose any form of limitation on the present invention. Although the present invention has been disclosed above with the preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make some changes or modifications into equivalent embodiments by using the disclosed technical content within the scope of the technical solution of the present invention. However, as long as it does not depart from the content of the technical solution of the present invention, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A power distribution cabinet with efficient heat dissipation, characterized in that: It includes a housing. There are two power distribution cabinets on the side of the housing. The housing is in a cuboid shape. There are openings at the front and rear ends of the housing. There are two heat absorption grids inside the housing. The longitudinal positions of the two heat absorption grids are the same as those of the power distribution cabinets. The outer side walls of the heat absorption grids are attached to the inner side walls of the housing cavity. The heat absorption grids are provided with square cylinders, and there are multiple heat dissipation fins arranged in parallel inside the square cylinders. Two groups of sliding strips are fixedly connected to the bottom wall of the housing cavity, and two groups of upper sliding strips are fixedly connected to the top wall of the housing cavity. The two sliding strips in the same group cooperate with the front and rear edges of the bottom wall of the heat absorption grid, and the two upper sliding strips in the same group cooperate with the front and rear edges of the top wall of the heat absorption grid. Support strips are fixedly connected to the two side walls at the front part of the housing cavity. A fan mounting plate is fixedly connected to the two support strips. A number of heat dissipation fans are installed on the fan mounting plate, and the number of heat dissipation fans is arranged in an array. Installation frames are respectively arranged at the openings at the front and rear ends of the housing cavity. A diffuser plate is fixedly connected to the installation frame, and a number of diffuser ventilation holes are opened on the diffuser plate.

2. The power distribution cabinet with efficient heat dissipation according to claim 1, wherein: Four heat dissipation fans are installed on the fan mounting plate, and the four heat dissipation fans are arranged in a square array.

3. The power distribution cabinet with efficient heat dissipation according to claim 1, characterized in that: The upper sliding strip is composed of two L-shaped strips and a U-shaped strip. The cross-section of the L-shaped strip is L-shaped, and the cross-section of the U-shaped strip is two U-shaped characters connected end to end. The lower side edges of the two L-shaped strips are fixedly connected to each other, the upper side edges of the two L-shaped strips are fixedly connected to the top wall of the housing cavity, and the U-shaped strip is fixedly connected to the bottom side at the junction of the two L-shaped strips.

4. The power distribution cabinet with efficient heat dissipation according to claim 3, characterized in that: The composition of the lower sliding strip is the same as that of the upper sliding strip.

5. The power distribution cabinet with efficient heat dissipation according to claim 1, wherein: Each heat dissipation fin is arranged horizontally, and the distance between adjacent heat dissipation fins is 3-6 mm.

6. The power distribution cabinet with efficient heat dissipation according to claim 1, wherein: The material of the heat absorption grid is aluminum.

7. The power distribution cabinet with efficient heat dissipation according to claim 1, wherein: The ventilation holes are evenly distributed on the diffuser plate, and the aperture of the ventilation holes is 2-4 mm.

8. The power distribution cabinet with high-efficiency heat dissipation according to claim 1, characterized in that: There is a heat dissipation distance between the two heat absorption grids, and the heat dissipation distance is greater than 5 cm.

Images