Low-voltage switchgear assembly with efficient heat dissipation

Abstract

The utility model discloses a high-efficiency heat dissipation low-voltage switchgear assembly, which relates to the technical field of low-voltage switchgear assembly, and comprises a cabinet body with a C section bar framework and a heat dissipation fan, the front side of the cabinet body is provided with a front lower door, the rear side of the cabinet body is provided with a rear lower door and a small bus chamber door, and the top of the cabinet body is provided with a high-ventilation top cover; the front lower door, the rear lower door, the small bus chamber door and the high-ventilation top cover are provided with ventilation holes. The upper part of the rear lower door is provided with a dustproof grating, and a heat dissipation fan is arranged in the cabinet body at a position opposite to the dustproof grating. According to the utility model, the ventilation holes are respectively arranged at the upper part, the side wall and the bottom, so that efficient heat dissipation is realized, the square protruding part of the high-ventilation top cover and the hollow hexagonal holes on the front lower door, the rear lower door and the small bus chamber door provide sufficient ventilation space, and part of the hollow hexagonal holes are connected with the steel wire mesh, so that the heat dissipation efficiency is improved. While heat dissipation is ensured, dust and foreign matters are prevented from entering the cabinet body, and the heat dissipation performance and the use safety of the low-voltage switchgear assembly are effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to low voltage switchgear technology field especially relates to a high -efficient heat dissipation's low voltage switchgear. BACKGROUND

[0002] Low voltage switchgear can realize the control, protection, measurement, conversion and distribution of electric energy in low voltage distribution system, mainly including incoming line cabinet, capacitor compensation cabinet, active filter cabinet, outgoing line cabinet etc., and is installed to user workshop or indoor place such as distribution room, these low voltage switchgear generates a large amount of heat when operating, especially capacitor compensation cabinet, filter cabinet and large current low voltage switch cabinet, but the low voltage switchgear of various disc plant design and manufacture mostly uses fan to carry out forced ventilation for the heat dissipation of cabinet body, only relies on the louver vent hole heat dissipation of cabinet door or cabinet roof, causes the heat dissipation capacity to reduce greatly, leads to the component in switch cabinet to stop working or shorten service life or the damage of component etc. Unfavourable phenomenon occurs, therefore, the low voltage distribution field is in urgent need of developing a kind of high -efficient heat dissipation low voltage switchgear to help user solve the heat dissipation problem of existing switch cabinet.

[0003] Therefore, we provide a kind of high -efficient heat dissipation's low voltage switchgear. CONTENT OF UTILITY MODEL

[0004] The utility model mainly aims at providing a kind of high -efficient heat dissipation's low voltage switchgear, can effectively solve the problem in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides a kind of high -efficient heat dissipation's low voltage switchgear, including the cabinet body of C section bar framework and heat dissipation fan, the front lower door is equipped in the front side of cabinet body, the rear lower door and bus chamber small door are equipped in the rear side of cabinet body, and high ventilation top cover is equipped in the top of cabinet body;Ventilation hole is formed in the front lower door, rear lower door, bus chamber small door and high ventilation top cover;Dustproof grille is equipped in the upper portion of rear lower door, and heat dissipation fan is mounted in the opposite place of dustproof grille in the inside of cabinet body;The lintel with ventilation hole is equipped in the top of front side of cabinet body, and the door sill with ventilation hole is equipped in the bottom of front side of cabinet body.

[0006] According to one embodiment of the utility model, the high ventilation top cover is configured to have a square protruding portion, ventilation holes are formed in the side walls around the square protruding portion.

[0007] According to one embodiment of the utility model, the ventilation holes formed in the front lower door, rear lower door and bus chamber small door are hollow hexagonal holes.

[0008] According to one embodiment of the utility model, the hollow hexagonal holes are connected with steel wire mesh in the hollow part.

[0009] Compared with the prior art, the utility model has the following beneficial effects:

[0010] The utility model discloses a cabinet body of C section bar skeleton, heat dissipation fan and front lower door, rear lower door, bus chamber small door and high ventilation top cover are designed, and the ventilation hole is set respectively in upper portion, side wall and bottom, and high -efficient heat dissipation is realized. The square convex part of high ventilation top cover and the hollow hexagonal hole on front lower door, rear lower door, bus chamber small door provide sufficient ventilation space, and part hollow hexagonal hole is connected with steel wire net still, ensures the heat dissipation while preventing dust and foreign matter from entering the cabinet body inside, effectively promotes the heat dissipation performance and use safety of low voltage complete switchgear. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is the front three-dimensional structure schematic diagram of the utility model;

[0012] Figure 2 It is the back three-dimensional structure schematic diagram of the utility model;

[0013] Figure 3 It is the front lower door structure schematic diagram of the utility model;

[0014] Figure 4 It is the rear lower door structure schematic diagram of the utility model;

[0015] Figure 5 It is the high ventilation top cover structure schematic diagram of the utility model.

[0016] Parts and numbers in the drawing:

[0017] 1-cabinet body;2-heat dissipation fan;3-front lower door;4-rear lower door;5-bus chamber small door;6-high ventilation top cover;7-dustproof grille;8-architrave;9-threshold;601-square convex part. DETAILED DESCRIPTION

[0018] The utility model is further explained below in connection with the drawings and examples, but is not the limitation of the utility model, and any based on the transformation or reasoning of the utility model's technical scheme all belong to the protection scope of the utility model.

[0019] For example, Figures 1-5As shown, the utility model is a kind of high -efficient heat dissipation's low voltage complete switchgear, including the cabinet 1 of C section bar framework and heat dissipation fan 2, cabinet 1 front side is equipped with front lower door 3, cabinet 1 rear side is equipped with rear lower door 4 and bus chamber small door 5, and cabinet 1 top is equipped with high ventilation top cover 6;Front lower door 3, rear lower door 4, bus chamber small door 5 and high ventilation top cover 6 are equipped with ventilation hole;Rear lower door 4 upper portion is equipped with dustproof grille 7, and the heat dissipation fan 2 is mounted in the opposite place of dustproof grille 7 in the inside of cabinet 1;Cabinet 1 front side top is equipped with the lintel 8 with ventilation hole, and cabinet 1 front side bottom is equipped with the door sill 9 with ventilation hole;Through the design of cabinet 1 of C section bar framework, heat dissipation fan 2 and front lower door 3, rear lower door 4, bus chamber small door 5 and high ventilation top cover 6, and respectively in upper portion, side wall and bottom portion are provided with ventilation hole, increase the ventilation air duct, realize the efficient heat dissipation, guarantee the good operation rate of the component in cabinet, increase service life.

[0020] Further preferably, high ventilation top cover 6 is configured with a square protruding part 601, ventilation holes are formed on the side walls of the square protruding part 601, the ventilation holes formed on the front lower door 3, the rear lower door 4 and the bus chamber small door 5 are hollow hexagonal holes, and steel wire meshes are connected to the hollow parts of the hollow hexagonal holes; The heat generated by the components will go to the upper part and will not stay in one position, and the air circulation will also drive the heat to the upper part, and the high ventilation top cover 6 and the ventilation holes are designed in the upper part, the ventilation holes formed on the side walls of the square protruding part 601 of the high ventilation top cover 6 further ensure the circulation of heat; The hollow hexagonal hole shape can ensure the strength of the door panel while having good aesthetics, and the steel wire meshes of IP grade are welded at the hollow parts of the hollow hexagonal holes, different specifications of steel wire meshes are welded according to requirements, to ensure heat dissipation while preventing dust and foreign matters from entering the inside of the cabinet 1, effectively improving the heat dissipation performance and use safety of the low voltage complete switchgear.

[0021] In summary, the utility model realizes efficient heat dissipation by designing the cabinet 1 of C section bar framework, heat dissipation fan 2 and front lower door 3, rear lower door 4, bus chamber small door 5 and high ventilation top cover 6, and respectively setting ventilation holes in upper portion, side wall and bottom portion. The square protruding part 601 of the high ventilation top cover 6 and the hollow hexagonal holes on the front lower door 3, the rear lower door 4 and the bus chamber small door 5 provide sufficient ventilation space, and part of the hollow hexagonal holes are further connected with steel wire meshes, to ensure heat dissipation while preventing dust and foreign matters from entering the inside of the cabinet 1, effectively improving the heat dissipation performance and use safety of the low voltage complete switchgear.

[0022] The above description shows the basic principles and main features of the present invention and its advantages. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A low-voltage complete switchgear with high efficiency in heat dissipation, comprising a cabinet (1) with a C-profile frame and a heat dissipation fan (2), characterized in that: The front side of the cabinet (1) is provided with a front lower door (3), the rear side of the cabinet (1) is provided with a rear lower door (4) and a busbar chamber small door (5), and the top of the cabinet (1) is provided with a high ventilation top cover (6); The front lower door (3), the rear lower door (4), the busbar chamber small door (5) and the high ventilation top cover (6) are provided with ventilation holes; A dustproof grille (7) is provided on the upper portion of the rear lower door (4), and a heat dissipation fan (2) is installed inside the cabinet (1) at a position opposite to the dustproof grille (7); The top of the front side of the cabinet body (1) is provided with a door lintel (8) with ventilation holes, and the bottom of the front side of the cabinet body (1) is provided with a door sill (9) with ventilation holes.

2. The low-voltage complete switchgear with high heat dissipation efficiency according to claim 1, characterized in that: The high-ventilation top cover (6) is constructed to have a square protrusion (601), and ventilation holes are provided on the side walls around the square protrusion (601).

3. A low-voltage complete switchgear with high heat dissipation efficiency according to claim 1 or 2, characterized in that: The ventilation holes provided on the front lower door (3), the rear lower door (4) and the busbar chamber small door (5) are hollow hexagonal holes.

4. The low-voltage complete switchgear with high heat dissipation efficiency according to claim 3, characterized in that: The hollowed-out portion of the hollowed-out hexagonal hole is connected with a steel mesh.

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