Contact heat dissipation device of distribution box

Abstract

The utility model relates to the technical field of power distribution boxes, in particular to a contact heat dissipation device of a power distribution box, which comprises a power distribution cabinet body, a cabinet door is rotatably mounted on the front side of the power distribution cabinet body, a dustproof net is arranged at the upper end of the power distribution cabinet body, a box body is fixedly mounted in the upper end of the power distribution cabinet body, and the upper end of the box body is attached to the lower side of the dustproof net. Two groups of air blowers are installed in the box body, heat dissipation assemblies are arranged on the lower side of the box body and the cabinet door, a plurality of groups of heat dissipation openings are formed in the rear side of the power distribution cabinet body, and limiting assemblies are fixedly installed on the inner walls of the left side and the right side of the power distribution cabinet body. According to the utility model, the power distribution cabinet body is closed by turning over the cabinet door, the wind plate on the cabinet door is attached to the front sides of the components installed in the power distribution cabinet body, wind flow generated by rotation of the two groups of air blowers passes through the two groups of wind pipes and the wind plate to accurately cool and dissipate heat of the plurality of components installed in the power distribution cabinet body, and the heat dissipation effect of the power distribution box can be enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of distribution boxes, in particular to a contact heat dissipation device for a distribution box. Background Art

[0002] A distribution box typically requires the assembly of switchgear, measuring instruments, protective devices, and auxiliary equipment within an enclosed or semi-enclosed metal cabinet or on a screen, forming a low-voltage distribution box. These boxes are characterized by their compact size, ease of installation, exceptional technical performance, fixed location, unique configuration features, and freedom from site restrictions. They are widely used, offer stable and reliable operation, high space utilization, minimal footprint, and environmentally friendly features. During normal operation, circuits can be connected and disconnected using manual or automatic switches. Consequently, they generate significant heat during electrical conduction, requiring proper heat dissipation to avoid potential safety hazards.

[0003] Announcement number CN214337302U discloses a heat dissipation device for a distribution box, including a distribution box, a water tank, and a water pipe. The bottom of the distribution box is fixedly connected to the water tank, and water pumps are installed at both ends of the water tank. The top of the water pump is connected to a water pipe, and the top of the water pipe is connected to a water injection pipe, and the top of the water injection pipe is threaded with a card cover. The utility model can absorb the heat inside the distribution box by installing a heat sink, and the wind force generated by the blower can blow the heat generated inside the distribution box out through the slots opened on the heat sink. By installing a water pipe and making the water pipe fit the heat sink, the heat on the heat sink can be taken out, reducing the temperature of the heat sink and effectively increasing the heat dissipation efficiency.

[0004] However, the above device still has some shortcomings in actual use. The heat in the distribution cabinet is discharged through the blower, but the blower can only serve as a wind guide, resulting in part of the heat cannot be discharged during the heat dissipation process and remains in the distribution cabinet. It is impossible to accurately dissipate the heat of all components in the distribution cabinet, thereby reducing the rapid cooling of the distribution cabinet. Its heat dissipation effect is limited, its heat dissipation efficiency is poor, and it is impossible to maintain continuous cooling in the distribution box. For this reason, we propose a contact heat dissipation device for the distribution box to solve the above problems. Utility Model Content

[0005] The purpose of the present utility model is to provide a contact heat dissipation device for a distribution box, so as to solve the problem that the blower proposed in the above background technology can only serve as an air guide, resulting in part of the heat being unable to be discharged during the heat dissipation process and remaining in the distribution cabinet, making it impossible to accurately dissipate the heat for all components in the distribution cabinet.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a contact heat dissipation device of a distribution box, comprising a distribution cabinet body, a cabinet door is rotatably installed on the front side of the distribution cabinet body, a dustproof net is provided at the upper end of the distribution cabinet body, a box body is fixedly installed in the upper end of the distribution cabinet body, the upper end of the box body is in contact with the lower side of the dustproof net, two groups of blowers are installed in the box body, and a heat dissipation component is provided on the lower side of the box body and the cabinet door, and the heat dissipation component includes two groups of air ducts, the two groups of air ducts are fixedly installed on the lower side of the box body, the upper end openings of the two groups of air ducts are located below the two groups of blowers, and the lower ends of the two groups of air ducts are fixedly installed with air plates, and four groups of sleeves are fixedly installed on the rear side of the cabinet door, a first spring is installed in each of the four groups of sleeves, and a connecting rod is movably installed in each of the four groups of sleeves, and the four groups of connecting rods are fixedly connected to the air plates, and multiple groups of heat dissipation outlets are provided on the rear side of the distribution cabinet body, and limiting components are fixedly installed on the left and right inner walls of the distribution cabinet body.

[0007] Preferably, the lower ends of the two groups of air ducts are respectively connected to the upper end and the lower end of the wind plate, the wind plate is composed of two groups of mesh pipes, and the multiple groups of holes arranged on the rear side of the wind plate are connected to the mesh pipes inside the wind plate.

[0008] Preferably, the limiting assembly includes four groups of fixed plates, which are symmetrically installed on the inner wall of the distribution cabinet. The four groups of fixed plates are each provided with a sliding groove, and a second spring is installed in each of the four groups of sliding grooves. Sliders are slidably installed in each of the four groups of sliding grooves, and baffles are fixedly installed on the four groups of sliders. Soft blocks are provided on the front and back sides of the four groups of baffles.

[0009] Preferably, the left and right spacings between the four groups of baffles are smaller than the left and right widths of the wind plate, and the four groups of baffles are located behind the wind plate.

[0010] Preferably, sealing plates are rotatably installed in the plurality of groups of heat dissipation openings, waterproof sheets are provided in the front openings of the plurality of groups of heat dissipation openings, and the middle parts of the plurality of groups of waterproof sheets are straight-line openings.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] (1) The power distribution cabinet is closed by flipping the cabinet door. The air plate on the cabinet door fits in front of the components installed in the power distribution cabinet. The airflow generated by the rotation of the two sets of blowers passes through the two sets of air ducts and air plates to accurately cool and dissipate the heat of multiple components installed in the power distribution cabinet, which can enhance the heat dissipation effect of the distribution box, reduce the power consumption required for heat dissipation, and improve practicality.

[0013] (2) When the cabinet door is flipped over to close the power distribution cabinet, the air plate fits with the components, slides in the four sets of slide grooves through four sets of baffles and four sets of sliders, and the back side of the air plate fits with the four sets of baffles, thereby preventing the air plate from directly fitting with the components when the cabinet door is flipped over to close the power distribution cabinet, preventing the air plate from squeezing the components and causing losses, and improving the safety distance control between the air plate and the components. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0015] Figure 1 This is a schematic front view of the structure of the present utility model;

[0016] Figure 2 This is a schematic top-view cross-sectional diagram of the structure of the present utility model;

[0017] Figure 3 This is a schematic cross-sectional view of the structure of the present invention from the right side;

[0018] Figure 4 This is a schematic cross-sectional view of the structure of the stroke plate of the utility model from the right side;

[0019] Figure 5 For this utility model Figure 3 A partial enlarged schematic diagram;

[0020] Figure 6 For this utility model Figure 3 A partial enlarged schematic diagram of B in the middle;

[0021] Figure 7 For this utility model Figure 3 A partial enlarged schematic diagram of C in the middle.

[0022] In the figure: 1. Distribution cabinet; 2. Cabinet door; 3. Dust screen; 4. Box body; 5. Blower; 6. Air duct; 7. Air plate; 8. Sleeve; 9. First spring; 10. Connecting rod; 11. Fixed plate; 12. Slide groove; 13. Second spring; 14. Slider; 15. Baffle; 16. Soft block; 17. Heat dissipation vent; 18. Sealing plate; 19. Waterproof sheet. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 1-7 The present invention provides an embodiment of a contact heat dissipation device for a distribution box, comprising a distribution cabinet 1, a cabinet door 2 being rotatably mounted on the front side of the distribution cabinet 1,

[0025] The upper end of the power distribution cabinet 1 is provided with a dustproof net 3, and a box body 4 is fixedly installed in the upper end of the power distribution cabinet 1. The upper end of the box body 4 is in contact with the lower side of the dustproof net 3. Two sets of blowers 5 are installed in the box body 4. The lower side of the box body 4 and the cabinet door 2 are provided with a heat dissipation component. The rear side of the power distribution cabinet 1 is provided with multiple sets of heat dissipation ports 17. The inner walls on both sides of the power distribution cabinet 1 are fixedly installed with a limited component. The heat dissipation component includes two sets of air ducts 6, which are fixedly installed on the lower side of the box body 4. The upper end openings of the two sets of air ducts 6 are on the lower side of the two sets of blowers 5. The lower ends of the two sets of air ducts 6 are fixedly installed with air plates 7. 2 is fixedly installed on the rear side of the cabinet 2 with four sets of sleeves 8, each of which is equipped with a first spring 9, and each of which is movably equipped with a connecting rod 10. The four sets of connecting rods 10 are fixedly connected to the wind plate 7. The wind plate 7 of this structure is connected to the cabinet door 2 through the four sets of sleeves 8 and the four sets of connecting rods 10. When the cabinet door 2 is flipped and closed with the power distribution cabinet 1, the wind plate 7 enters the power distribution cabinet 1 and fits with the components. The wind plate 7 drives the four sets of connecting rods 10 to slide into the four sets of sleeves 8 according to the position of the components installed in the power distribution cabinet 1, so that the distance between the wind plate 7 and the power distribution cabinet 1 changes with the installation position of the components;

[0026] This device closes the power distribution cabinet 1 by flipping the cabinet door 2. The heat dissipation component is attached to the components in the power distribution cabinet 1 as the cabinet door 2 flips. The spacing between the heat dissipation component and the components is controlled by the limit component. The airflow generated by the two sets of blowers 5 passes through the heat dissipation component to accurately cool and dissipate the heat of the components, thereby improving the heat dissipation effect of the components in the power distribution cabinet 1.

[0027] Furthermore, the lower ends of the two groups of air ducts 6 are respectively connected to the upper and lower ends of the wind plate 7. The wind plate 7 is composed of two groups of mesh pipes. Multiple groups of holes arranged on the rear side of the wind plate 7 are connected to the mesh pipes inside the wind plate 7. This structure allows the airflow generated by the two groups of blowers 5 to be diverted into the upper and lower ends of the wind plate 7 according to the connection position of the two groups of air ducts 6 and the wind plate 7, thereby avoiding the wind force at the upper end of the wind plate 7 being greater than the wind force at the lower end.

[0028] Furthermore, the limit assembly includes four groups of fixed plates 11, which are symmetrically installed on the inner wall of the distribution cabinet 1. The four groups of fixed plates 11 are each provided with a slide groove 12, and the four groups of slide grooves 12 are each installed with a second spring 13. The four groups of slide grooves 12 are each slidably installed with a slider 14, and the four groups of sliders 14 are each fixedly installed with a baffle 15. The four groups of baffles 15 are each provided with a soft block 16 on the front and back sides. When the wind plate 7 is in contact with the components, the wind plate 7 drives the four groups of baffles 15 and the four groups of sliders 14 to slide in the four groups of slide grooves 12, and the elastic force of the four groups of first springs 9 is greater than the elastic force of the four groups of second springs 13, so that when the four groups of baffles 15 are in contact with the components and do not move, the wind plate 7 drives the four groups of connecting rods 10 to slide into the four groups of sleeves 8, so that there is a certain gap between the wind plate 7 and the components to avoid direct damage to the components during operation.

[0029] Furthermore, the spacing between the four groups of baffles 15 is smaller than the width of the wind plate 7, and the four groups of baffles 15 are located on the rear side of the wind plate 7. This structure facilitates the separation of the four groups of baffles 15 from the wind plate 7 and the components based on the spacing between the four groups of baffles 15 and the width of the wind plate 7, and the upper ends of the two groups of air ducts 6 are made of folded tubes.

[0030] Furthermore, sealing plates 18 are rotatably installed in the multiple groups of heat dissipation ports 17, and waterproof sheets 19 are provided in the front openings of the multiple groups of heat dissipation ports 17. The middle parts of the multiple groups of waterproof sheets 19 are I-shaped openings. This structure allows the air flow blown into the distribution cabinet 1 to flow out of the multiple groups of heat dissipation ports 17, and the air flow blows the multiple groups of sealing plates 18 open. When there is no wind flow, the multiple groups of sealing plates 18 rotate and close under the action of their own weight, thereby closing the multiple groups of heat dissipation ports 17, and the multiple groups 19 are all composed of plastic elastic closures of plastic films, and will automatically open when blown by wind or when the internal air pressure increases.

[0031] Working principle: When dissipating heat inside the power distribution cabinet 1, Figure 2 、 Figure 3 、 Figure 4 and Figure 5As shown, the cabinet door 2 is flipped to close the power distribution cabinet 1, and then the cabinet door 2 drives the air plate 7 to be inserted into the power distribution cabinet 1, and the air plate 7 moves backward in the power distribution cabinet 1, and the air plate 7 is fitted with the front side of the four groups of baffles 15, and the air plate 7 slides against the four groups of baffles 15 and the four groups of sliders 14 in the four groups of slide grooves 12, and the soft blocks 16 on the rear sides of the four groups of baffles 15 are fitted with multiple components in the power distribution cabinet 1 and do not move. As the cabinet door 2 is closed, the air plate 7 drives the four groups of connecting rods 10 to the four groups of connecting rods 10. The sleeve 8 slides, and the four groups of first springs 9 in the four groups of sleeves 8 are tightly fitted with the four groups of first springs 9 and the connecting rod 10 and the front side of the four groups of baffles 15 under the action of the restoring force. The wind generated by the rotation of the two groups of blowers 5 is blown out through the mesh pipe openings in the two groups of air ducts 6 and the air plates 7, and the multiple components installed in the distribution cabinet 1 are cooled and dissipated. The wind flow blown into the distribution cabinet 1 is blown out from the multiple groups of heat dissipation ports 17, and when the wind flows through the multiple groups of heat dissipation ports 17, as shown in FIG. Figure 6 As shown, when blown by wind or when the internal air pressure increases, it will automatically expand, and the wind flow will blow open the multiple sets of sealing plates 18. When there is no wind, the multiple sets of sealing plates 18 rotate and close under the action of their own weight, thereby closing the multiple sets of heat dissipation ports 17. The above is the entire working principle of the utility model.

[0032] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A contact heat dissipation device for a distribution box, comprising a distribution cabinet (1), wherein a cabinet door (2) is rotatably mounted on the front side of the distribution cabinet (1), characterized in that: The upper end of the power distribution cabinet (1) is provided with a dustproof net (3), a box body (4) is fixedly installed in the upper end of the power distribution cabinet (1), the upper end of the box body (4) is in contact with the lower side of the dustproof net (3), two groups of blowers (5) are installed in the box body (4), and a heat dissipation component is provided on the lower side of the box body (4) and the cabinet door (2), and the heat dissipation component includes two groups of air ducts (6), the two groups of air ducts (6) are fixedly installed on the lower side of the box body (4), and the upper end openings of the two groups of air ducts (6) are located between the two groups of blowers ( 5), the lower ends of the two groups of air ducts (6) are fixedly installed with air plates (7), the rear side of the cabinet door (2) is fixedly installed with four groups of sleeves (8), the four groups of sleeves (8) are each installed with a first spring (9), the four groups of sleeves (8) are each movably installed with a connecting rod (10), the four groups of connecting rods (10) are fixedly connected to the air plates (7), the rear side of the power distribution cabinet (1) is provided with a plurality of heat dissipation ports (17), and the inner walls on both sides of the power distribution cabinet (1) are fixedly installed with limit assemblies.

2. The contact heat dissipation device of a distribution box according to claim 1, characterized in that: The lower ends of the two groups of air ducts (6) are respectively connected to the upper end and the lower end of the air plate (7); the air plate (7) is composed of two groups of mesh pipes; and a plurality of groups of holes arranged on the rear side of the air plate (7) are connected to the mesh pipes in the air plate (7).

3. The contact heat dissipation device of a distribution box according to claim 1, characterized in that: The limit assembly comprises four groups of fixed plates (11), the four groups of fixed plates (11) being symmetrically mounted on the inner wall of the power distribution cabinet (1), the four groups of fixed plates (11) being provided with a slide groove (12), the four groups of slide grooves (12) being provided with a second spring (13), the four groups of slide grooves (12) being slidably provided with a slider (14), the four groups of sliders (14) being fixedly mounted with a baffle (15), and the four groups of baffles (15) being provided with soft blocks (16) on both the front and rear sides.

4. The contact heat dissipation device of a distribution box according to claim 3, characterized in that: The left-right spacing between the four groups of baffles (15) is smaller than the left-right width of the wind plate (7), and the four groups of baffles (15) are located at the rear side of the wind plate (7).

5. The contact heat dissipation device of a distribution box according to claim 1, characterized in that: A sealing plate (18) is rotatably mounted in each of the plurality of heat dissipation openings (17), a waterproof sheet (19) is disposed in the front openings of each of the plurality of heat dissipation openings (17), and the middle portions of the plurality of waterproof sheets (19) are straight-line openings.

Images