Air exhaust and heat dissipation device of electric cabinet

Abstract

The utility model belongs to the technical field of power distribution cabinets, and particularly relates to an electric cabinet air exhaust and heat dissipation device which comprises a power distribution cabinet body, a wire inlet is formed in the middle of the top end of the power distribution cabinet body, and heat dissipation holes are formed in the top of one end of the power distribution cabinet body at equal intervals. Mounting holes are formed in the top of the other end of the power distribution cabinet body and the bottom of the other end of the power distribution cabinet body, air exhaust and heat dissipation assemblies are mounted in the mounting holes, each air exhaust and heat dissipation assembly comprises a T-shaped hollow plate, and a heat conduction plate is mounted in each T-shaped hollow plate. In the use process of the device, the heat-conducting fin plate and the heat-conducting plate can be cooled by the cooling fan located outside the power distribution cabinet body, stable use of the semiconductor chilling plate is facilitated, and cold air produced by the semiconductor chilling plate can be blown to the heat-dissipating holes by the cooling fan located inside the power distribution cabinet body, so that the heat-conducting fin plate and the heat-conducting plate can be cooled. Therefore, cooling and heat dissipation can be carried out on electrical equipment installed in the power distribution cabinet body, and stable operation and use of the electrical equipment installed in the power distribution cabinet body are facilitated.

Description

Technical Field

[0001] The utility model belongs to the technical field of power distribution cabinets, and particularly relates to an exhaust and heat dissipation device for an electric cabinet. Background Art

[0002] Distribution cabinets can be divided into power distribution cabinets, lighting distribution cabinets, metering cabinets, and other final-stage equipment in the power distribution system. They are primarily used in various applications, including power plants, substations, petrochemicals, metallurgy and steel rolling, light industry and textiles, factories and mining enterprises, residential communities, and high-rise buildings. Because electrical components (electrical equipment) generate a large amount of heat during operation and distribution cabinets lack optimal heat dissipation, certain electrical components and wiring connections are prone to localized heating, resulting in localized overheating and even heat generation and burns.

[0003] At present, power distribution cabinets generally dissipate heat by using cooling fans. Specifically, cooling fans are used to form air convection, which accelerates the air circulation in the power distribution cabinet and improves the heat dissipation effect of the power distribution cabinet. However, when the cooling fan is used, the heat dissipation effect is easily affected by external temperature restrictions (high outdoor temperature). Based on this, the utility model provides an exhaust and heat dissipation device for an electric cabinet. Utility Model Content

[0004] In order to solve the above problems existing in the prior art, the utility model provides an electric cabinet exhaust and heat dissipation device, which has the characteristics of good use effect.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: an exhaust and heat dissipation device for an electric cabinet, comprising a power distribution cabinet body, a line inlet being provided at the middle of the top of the power distribution cabinet body, heat dissipation holes being provided at equal intervals at the top of one end of the power distribution cabinet body, mounting holes being provided at the top of the other end of the power distribution cabinet body and at the bottom of the other end of the power distribution cabinet body, and exhaust and heat dissipation components being installed inside the mounting holes;

[0006] The exhaust and heat dissipation assembly includes a T-shaped hollow plate, a heat conducting plate is installed inside the T-shaped hollow plate, heat conducting fins are equidistantly welded to one end of the heat conducting plate, a cooling fan is symmetrically installed to one end of the heat conducting fins, a semiconductor refrigeration sheet is symmetrically installed to the other end of the heat conducting plate, a cold conducting plate is installed to one end of the semiconductor refrigeration sheet, cold conducting fins are equidistantly welded to one end of the cold conducting plate, and a cooling fan is installed to one end of the cold conducting fins.

[0007] As an optimal technical solution for an exhaust and heat dissipation device for an electric cabinet of the present invention, a No. 1 card hole is provided at the four corners near the corresponding mounting holes at the other end of the distribution cabinet body, and a No. 2 card hole is provided at the four corners at one end of the T-shaped hollow plate. The inner diameter of the No. 2 card hole is the same as the inner diameter of the No. 1 card hole, and fixing bolts are installed through the No. 2 card hole and the corresponding No. 1 card hole.

[0008] As an optimal technical solution for an exhaust and heat dissipation device for an electric cabinet of the utility model, the protruding part of the T-shaped hollow plate is symmetrically provided with positioning slots, and a fixing tube is welded to one end of the T-shaped hollow plate near the positioning slot. There are four fixing tubes, and positioning plates are symmetrically arranged on both sides of the heat conduction plate. The positioning plates are located inside the positioning slots, and a mounting hole is provided in the middle of one end of the positioning plate. The mounting hole and the fixing tube are adapted to each other, and a fixing screw is installed inside the mounting hole, and one end of the fixing screw is located inside the corresponding fixing tube.

[0009] As an optimal technical solution for an electric cabinet exhaust and heat dissipation device of the utility model, one end of the heat conduction plate is located inside the heat conduction fin plate and four No. 1 positioning tubes are welded on both sides. A No. 1 positioning hole is opened at the four corners of one end of the cooling fan. The four No. 1 positioning holes and the four No. 1 positioning tubes are adapted to each other. A No. 1 mounting screw is installed inside the No. 1 positioning hole, and one end of the No. 1 mounting screw is located inside the corresponding No. 1 positioning tube.

[0010] As an optimal technical solution for an exhaust and heat dissipation device for an electric cabinet of the utility model, a No. 2 positioning tube is welded at the four corners of the other end of the heat conduction plate near the semiconductor refrigeration plate, and a No. 2 positioning hole is opened at the four corners of one end of the cold conduction plate. The four No. 2 positioning holes and the four No. 2 positioning tubes are adapted to each other, and a No. 2 mounting screw is installed inside the No. 2 positioning hole, and one end of the No. 2 mounting screw is located inside the corresponding No. 2 positioning tube.

[0011] As an optimal technical solution for an electric cabinet exhaust and heat dissipation device of the utility model, No. 3 positioning tubes are welded at the four corners of one end of the cold guide plate near the corresponding No. 2 positioning holes, and No. 3 positioning holes are opened at the four corners of one end of the cooling fan. The four No. 3 positioning holes and the four No. 3 positioning tubes are adapted to each other, and a No. 3 mounting screw is installed inside the No. 3 positioning hole, and one end of the No. 3 mounting screw is located inside the corresponding No. 3 positioning tube.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] When the device is in use, the cooling fan located outside the distribution cabinet can cool the heat-conducting fins and the heat-conducting plate, which is convenient for the stable use of the semiconductor refrigeration sheet. The cooling fan located inside the distribution cabinet can blow the cold air produced by the semiconductor refrigeration sheet to the heat dissipation holes, thereby cooling the electrical equipment installed inside the distribution cabinet, which is convenient for the stable operation of the electrical equipment installed inside the distribution cabinet. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0015] Figure 1 This is the installation effect diagram of the utility model;

[0016] Figure 2 This is an exploded view of the installation of the exhaust and heat dissipation component of the utility model;

[0017] Figure 3 This is an exploded view of the installation of the heat conducting plate of the utility model;

[0018] Figure 4 This is an exploded view of the installation of the cooling fan of the utility model;

[0019] Figure 5 This is an exploded view of the installation of the cooling fan of the utility model.

[0020] In the figure: 1. Power distribution cabinet body; 2. Line inlet; 3. Heat dissipation hole; 4. Mounting hole; 5. T-shaped hollow plate; 6. Heat conduction plate; 7. Heat conduction fin; 8. Cooling fan; 9. Semiconductor refrigeration plate; 10. Cold conduction plate; 11. Cooling fin; 12. Cooling fan; 13. Positioning slot; 14. Fixing pipe; 15. Positioning card; 16. Mounting card hole; 17. Positioning pipe No. 1; 18. Positioning hole No. 1; 19. Mounting screw No. 1; 20. Positioning pipe No. 2; 21. Positioning hole No. 2; 22. Mounting screw No. 2; 23. Positioning pipe No. 3; 24. Positioning hole No. 3; 25. Mounting screw No. 3; 26. Card hole No. 1; 27. Card hole No. 2; 28. Fixing bolt; 29. ​​Fixing screw. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention. Example

[0022] See also Figures 1 to 5The utility model provides the following technical solutions: an exhaust and heat dissipation device for an electric cabinet, comprising a power distribution cabinet body 1, a line inlet 2 being provided at the middle of the top of the power distribution cabinet body 1, heat dissipation holes 3 being equidistantly provided at the top of one end of the power distribution cabinet body 1, mounting holes 4 being provided at the top of the other end of the power distribution cabinet body 1 and at the bottom of the other end of the power distribution cabinet body 1, No. 1 card holes 26 being provided at the four corners of the other end of the power distribution cabinet body 1 near the corresponding mounting holes 4, and an exhaust and heat dissipation component being installed inside the mounting holes 4;

[0023] The exhaust and heat dissipation assembly includes a T-shaped hollow plate 5, and a second card hole 27 is opened at the four corners of one end of the T-shaped hollow plate 5. The inner diameter of the second card hole 27 is the same as the inner diameter of the first card hole 26. The second card hole 27 and the corresponding first card hole 26 are penetrated by a fixing bolt 28, which can fix the T-shaped hollow plate 5 on the cabinet wall of the distribution cabinet 1, which is convenient for the installation and use of the exhaust and heat dissipation assembly. The protruding part of the T-shaped hollow plate 5 is symmetrically provided with a positioning card slot 13, and a fixing pipe 14 is welded to one end of the T-shaped hollow plate 5 near the positioning card slot 13. There are four fixed tubes 14. A heat conducting plate 6 is embedded in the T-shaped hollow plate 5. Positioning cards 15 are symmetrically provided on both sides of the heat conducting plate 6. The positioning cards 15 are located inside the positioning card slots 13. A mounting card hole 16 is provided in the middle of one end of the positioning card plate 15. The mounting card hole 16 and the fixed tube 14 are adapted to each other. A fixing screw 29 is installed inside the mounting card hole 16. One end of the fixing screw 29 is located inside the corresponding fixed tube 14, which can fix the heat conducting plate 6 and facilitate the connection and installation between the heat conducting plate 6 and the T-shaped hollow plate 5.

[0024] One end of the heat conducting plate 6 is welded with a heat conducting fin 7 at equal distances, and one end of the heat conducting plate 6 is located inside the heat conducting fin 7 and four No. 1 positioning tubes 17 are welded on both sides. A cooling fan 8 is symmetrically installed at one end of the heat conducting fin 7. A No. 1 positioning hole 18 is provided at the four corners of one end of the cooling fan 8. The four No. 1 positioning holes 18 and the four No. 1 positioning tubes 17 are adapted to each other. A No. 1 mounting screw 19 is installed inside the No. 1 positioning hole 18, and one end of the No. 1 mounting screw 19 is located inside the corresponding No. 1 positioning tube 17, which can fix the cooling fan 8 and facilitate the installation and use of the cooling fan 8. A semiconductor cooling sheet 9 is symmetrically fixedly installed on the other end of the heat conducting plate 6, and a No. 2 positioning tube 20 is welded at the four corners of the other end of the heat conducting plate 6 near the semiconductor cooling sheet 9. A cold conducting plate 10 is installed at one end of the semiconductor cooling sheet 9, and a No. 2 positioning hole 21 is provided at the four corners of one end of the cold conducting plate 10. Four No. 2 positioning holes 21 is adapted between the four No. 2 positioning tubes 20, and a No. 2 mounting screw 22 is installed inside the No. 2 positioning hole 21, and one end of the No. 2 mounting screw 22 is located inside the corresponding No. 2 positioning tube 20, which can fix the cold plate 10, facilitating the installation and use of the cold plate 10, and the cold fins 11 are welded equidistantly at one end of the cold plate 10, and the four corners of one end of the cold plate 10 near the corresponding No. 2 positioning holes 21 are welded with No. 3 positioning tubes 23, and a cooling fan 12 is installed at one end of the cooling fin 11, and a No. 3 positioning hole 24 is opened at the four corners of one end of the cooling fan 12, and the four No. 3 positioning holes 24 are adapted between the four No. 3 positioning holes 24 and the four No. 3 positioning tubes 23, and a No. 3 mounting screw 25 is installed inside the No. 3 positioning hole 24, and one end of the No. 3 mounting screw 25 is located inside the corresponding No. 3 positioning tube 23, which can fix the cooling fan 12, facilitating the installation and use of the cooling fan 12. The heat dissipation fan 8, the semiconductor refrigeration plate 9 and the cooling fan 12 are connected in series, and the series circuit is electrically connected to the output end of the control circuit built into the distribution cabinet 1. The heat dissipation fan 8, the semiconductor refrigeration plate 9 and the cooling fan 12 are all existing technical equipment, and their specific structure and working principle will not be described in detail here.

[0025] The working principle and usage process of the present invention: When the device is in use, the staff starts the semiconductor refrigeration sheet 9, the heat dissipation fan 8 and the cooling fan 12. The semiconductor refrigeration sheet 9 works to cool the cold conduction plate 10, and cold air is generated between the cold conduction fins 11 and the cold conduction plate 10. The use of the cooling fan 12 can blow the cold air to the heat dissipation holes 3, so as to cool and dissipate the heat of the electrical equipment installed inside the distribution cabinet 1. The heat generated by the operation of the semiconductor refrigeration sheet 9 is conducted to the heat conduction plate 6, and is conducted to the heat conduction fins 7 through the heat conduction plate 6. The use of the cooling fan 8 can cool the heat conduction fins 7 and the heat conduction plate 6, which is convenient for the stable use of the semiconductor refrigeration sheet 9.

[0026] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. An electric cabinet exhaust and heat dissipation device, comprising a power distribution cabinet body (1), characterized in that: The distribution cabinet body (1) is provided with a line inlet (2) at the middle of the top, the top of one end of the distribution cabinet body (1) is provided with heat dissipation holes (3) at equal intervals, the top of the other end of the distribution cabinet body (1) and the bottom of the other end of the distribution cabinet body (1) are provided with mounting holes (4), and an exhaust and heat dissipation component is installed inside the mounting hole (4); The exhaust and heat dissipation component comprises a T-shaped hollow plate (5), a heat conducting plate (6) is installed inside the T-shaped hollow plate (5), a heat conducting fin (7) is welded equidistantly to one end of the heat conducting plate (6), a heat dissipation fan (8) is symmetrically installed to one end of the heat conducting fin (7), a semiconductor cooling plate (9) is symmetrically installed to the other end of the heat conducting plate (6), a cooling plate (10) is installed to one end of the semiconductor cooling plate (9), a cooling fin (11) is welded equidistantly to one end of the cooling plate (10), and a cooling fan (12) is installed to one end of the cooling fin (11).

2. The electric cabinet exhaust and heat dissipation device according to claim 1, characterized in that: The other end of the distribution cabinet body (1) is provided with a No. 1 clamping hole (26) at each of the four corners near the corresponding mounting hole (4), and the one end of the T-shaped hollow plate (5) is provided with a No. 2 clamping hole (27) at each of the four corners. The inner diameter of the No. 2 clamping hole (27) is the same as the inner diameter of the No. 1 clamping hole (26), and fixing bolts (28) are installed through the inside of the No. 2 clamping hole (27) and the corresponding No. 1 clamping hole (26).

3. The electric cabinet exhaust and heat dissipation device according to claim 1, characterized in that: The protruding portion of the T-shaped hollow plate (5) is symmetrically provided with positioning slots (13), and a fixing tube (14) is welded to one end of the T-shaped hollow plate (5) near the positioning slot (13). The number of the fixing tubes (14) is four. Positioning plates (15) are symmetrically provided on both sides of the heat conducting plate (6). The positioning plates (15) are located inside the positioning slot (13). A mounting hole (16) is provided in the middle of one end of the positioning plate (15). The mounting hole (16) and the fixing tube (14) are adapted to each other. A fixing screw (29) is installed inside the mounting hole (16), and one end of the fixing screw (29) is located inside the corresponding fixing tube (14).

4. The electric cabinet exhaust and heat dissipation device according to claim 1, characterized in that: One end of the heat conducting plate (6) is located inside the heat conducting fin plate (7) and four No. 1 positioning tubes (17) are welded on both sides. A No. 1 positioning hole (18) is opened at the four corners of one end of the heat dissipation fan (8). The four No. 1 positioning holes (18) and the four No. 1 positioning tubes (17) are adapted to each other. A No. 1 mounting screw (19) is installed inside the No. 1 positioning hole (18), and one end of the No. 1 mounting screw (19) is located inside the corresponding No. 1 positioning tube (17).

5. The electric cabinet exhaust and heat dissipation device according to claim 1, characterized in that: The other end of the heat conduction plate (6) is welded with No. 2 positioning tubes (20) at the four corners near the semiconductor refrigeration plate (9), and one end of the cold conduction plate (10) is provided with No. 2 positioning holes (21) at the four corners. The four No. 2 positioning holes (21) and the four No. 2 positioning tubes (20) are adapted to each other. A No. 2 mounting screw (22) is installed inside the No. 2 positioning hole (21), and one end of the No. 2 mounting screw (22) is located inside the corresponding No. 2 positioning tube (20).

6. The electric cabinet exhaust and heat dissipation device according to claim 5, characterized in that: A No. 3 positioning tube (23) is welded at the four corners of one end of the cold guide plate (10) near the corresponding No. 2 positioning hole (21), and a No. 3 positioning hole (24) is opened at the four corners of one end of the cooling fan (12). The four No. 3 positioning holes (24) and the four No. 3 positioning tubes (23) are adapted to each other, and a No. 3 mounting screw (25) is installed inside the No. 3 positioning hole (24), and one end of the No. 3 mounting screw (25) is located inside the corresponding No. 3 positioning tube (23).

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