Heat dissipation structure of high-voltage switch cabinet

Abstract

The utility model discloses a high voltage switch cabinet heat radiation structure comprising a cabinet body, the front side of the cabinet body is provided with a cabinet door, the rear side of the cabinet body is detachably provided with a rear plate, the inner upper wall of the cabinet body is provided with a support, the support is provided with an air inlet fan, the upper wall of the cabinet body is provided with a plurality of air inlet holes above the support, a dust blocking net is arranged above the air inlet holes, and the dust blocking net is provided with an air outlet. The top of the cabinet body is fixedly provided with an installation frame, the dust blocking net is embedded in the installation frame and is connected with the installation frame through a positioning assembly, and the inner bottom of the cabinet body is provided with an exhaust fan connected with the rear plate. And the exhaust fan at the bottom is matched with the exhaust groove, so that a good cooling air duct is formed, heat in the cabinet body is effectively taken out, performance reduction or faults caused by overheating of the high-voltage switch cabinet are avoided, the stability of equipment is improved, and the service life of the equipment is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of switch cabinets, in particular to a heat dissipation structure of a high-voltage switch cabinet. Background Art

[0002] In power systems, high-voltage switchgear is a key component of power transmission and distribution, used to control and protect power lines and electrical equipment. However, high-voltage switchgear generates a large amount of heat during operation. If heat is not dissipated in a timely manner, internal components can overheat, affecting normal equipment operation and even causing failures. Traditional heat dissipation methods often use natural heat dissipation or simple fan cooling, but these methods are often inefficient and cannot meet the heat dissipation requirements of high-voltage switchgear under high-load operation. Therefore, developing an efficient and maintainable heat dissipation structure for high-voltage switchgear is of great significance for improving the safety and stability of equipment operation. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a high-voltage switch cabinet heat dissipation structure, which solves the problem of poor heat dissipation effect of the prior switch cabinet.

[0004] To achieve the above objectives, the present invention is implemented through the following technical solutions: a high-voltage switch cabinet heat dissipation structure, including a cabinet body, a cabinet door is provided on the front side of the cabinet body, and a back plate is detachably installed on the back side; a bracket is provided on the upper inner wall of the cabinet body, an air intake fan is provided on the bracket, a plurality of air intake holes are arranged on the upper wall of the cabinet body and located above the bracket; a dust screen is provided above the air intake holes; a mounting frame is fixedly provided on the top of the cabinet body, the dust screen is embedded in the mounting frame, and is connected to the mounting frame through a positioning assembly; an exhaust fan connected to the back plate is provided at the bottom of the cabinet body, and a plurality of exhaust slots are provided at the bottom of the cabinet body on one side of the exhaust fan.

[0005] Preferably, the positioning assembly includes a pair of mounting sleeves arranged on both sides of the upper wall of the dust shield net, a slide is slidably provided in the mounting sleeve, the slide is connected to the mounting sleeve by a spring, one end of the slide extends out of the mounting sleeve and is fixedly installed with a connecting plate, a positioning block is provided on the side wall of the connecting plate, and positioning grooves for inserting the positioning block are opened on both sides of the mounting frame.

[0006] Preferably, a dust cover fixedly connected to the rear plate is provided on the outside of the exhaust groove, and an opening is provided at the bottom of the dust cover.

[0007] Preferably, the bracket is connected to the cabinet body via bolts.

[0008] Preferably, the installation frame is a rectangular frame structure.

[0009] Beneficial effects

[0010] The utility model provides a high-voltage switch cabinet heat dissipation structure, which has the following beneficial effects:

[0011] The combination of the air inlet and the air intake fan at the top of the cabinet, as well as the exhaust fan and the exhaust slot at the bottom, form a good cooling air duct, effectively taking away the heat inside the cabinet, avoiding performance degradation or failure of the high-voltage switchgear due to overheating, and improving the stability and life of the equipment;

[0012] The sliding plate, spring, connecting plate and positioning block in the positioning assembly cooperate with the positioning slot on the mounting frame to realize the quick installation and removal of the dust screen, facilitate regular cleaning and replacement, ensure the smooth flow of air intake holes, and reduce the impact of dust on electrical equipment;

[0013] The design of the dust cover not only prevents external dust and foreign matter from entering the cabinet through the exhaust slot, but also ensures the normal operation of the exhaust fan through the opening at the bottom, thereby improving the safety of the cooling system. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural diagram of the present utility model.

[0015] Figure 2 This is a schematic diagram of the top structure of the installation frame of the utility model.

[0016] Figure 3 It is a partially enlarged schematic diagram of the present invention.

[0017] In the figure: 1. Cabinet body; 2. Cabinet door; 3. Back panel; 4. Bracket; 5. Inlet fan; 6. Air inlet hole; 7. Dust screen; 8. Mounting frame; 9. Exhaust fan; 10. Exhaust slot; 11. Mounting sleeve; 12. Slide plate; 13. Spring; 14. Connecting plate; 15. Positioning block; 16. Positioning slot; 17. Dust cover; 18. Bolt. DETAILED DESCRIPTION

[0018] 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.

[0019] See also Figure 1-3The utility model provides a technical solution: a heat dissipation structure of a high-voltage switch cabinet, comprising a cabinet body 1, a cabinet door 2 is provided on the front side of the cabinet body 1, and a back plate 3 is detachably installed on the back side; a bracket 4 is provided on the upper wall of the cabinet body 1, and an air intake fan 5 is provided on the bracket 4; a plurality of air intake holes 6 are arranged on the upper wall of the cabinet body 1 and above the bracket 4; a dust screen 7 is provided above the air intake holes 6; a mounting frame 8 is fixedly provided on the top of the cabinet body 1, the dust screen 7 is embedded in the mounting frame 8, and is connected to the mounting frame 8 through a positioning assembly; an exhaust fan 9 connected to the back plate 3 is provided at the bottom of the cabinet body 1, and a plurality of exhaust slots 10 are provided at the bottom of the cabinet body 1 on one side of the exhaust fan 9.

[0020] By adopting the above technical solution, the device realizes the suction of cold air and the filtration of dust through the air inlet holes 6 and the dust screen 7 on the upper wall of the cabinet 1, and the air intake fan 5 on the top. The setting of the air intake fan 5 accelerates the air flow and improves the heat dissipation efficiency. The exhaust fan 9 and the exhaust slot 10 at the bottom of the cabinet 1 are designed to achieve effective discharge of hot air, forming air circulation inside the cabinet 1 and improving the heat dissipation effect.

[0021] This embodiment is further configured such that the positioning assembly includes a pair of mounting sleeves 11 provided on both sides of the upper wall of the dust screen 7, a slide plate 12 is slidingly provided in the mounting sleeve 11, the slide plate 12 and the mounting sleeve 11 are connected by a spring 13, one end of the slide plate 12 extends out of the mounting sleeve 11 and is fixedly installed with a connecting plate 14, a positioning block 15 is provided on the side wall of the connecting plate 14, and positioning grooves 16 for inserting the positioning block 15 are provided on both sides of the mounting frame 8.

[0022] By adopting the above technical solution, the combination of the mounting sleeve 11, slide plate 12, spring 13, connecting plate 14 and positioning block 15 in the assembly enables the quick disassembly and assembly of the dust screen 7, facilitates regular cleaning or replacement, and ensures the continued effectiveness of the air filtration system.

[0023] This embodiment is further configured such that a dust cover 17 fixedly connected to the rear plate 3 is provided on the outer side of the exhaust groove 10 , and an opening is provided at the bottom of the dust cover 17 .

[0024] By adopting the above technical solution, the provision of the dust cover 17 prevents external dust from entering the cabinet 1 through the exhaust slot 10 , thereby maintaining a clean environment inside the cabinet 1 .

[0025] This embodiment is further configured such that the bracket 4 is connected to the cabinet 1 via bolts 18 .

[0026] By adopting the above technical solution, the bolt 18 connection between the bracket 4 and the cabinet body 1 can facilitate subsequent disassembly and maintenance.

[0027] This embodiment is further configured such that the installation frame 8 is a rectangular frame structure.

[0028] By those skilled in the art, the components in this case are connected in sequence. The specific connection and operation sequence should refer to the following working principle. The detailed connection means are well-known technologies in this field. The following mainly introduces the working principle and process.

[0029] Embodiment: During installation, first install the intake fan 5 and the exhaust fan 9 to the designated positions, then fix the dust screen 7 in the installation frame 8 through the positioning assembly, pull the slides 12 on both sides, drive a pair of positioning blocks 15 to move to both sides, then embed the dust screen 7 into the installation frame 8, release the slides 12, and under the action of the spring 13, make the pair of slides 12 shrink inward, and then make the pair of positioning blocks 15 embed into the pair of positioning grooves 16, completing the fixation of the dust screen 7. When working, the intake fan 5 draws in cold air from the upper part of the cabinet 1, and the cold air enters the cabinet 1 through the air inlet 6. After exchanging with the hot air, the hot air is discharged from the exhaust groove 10 at the bottom of the cabinet 1 by the exhaust fan 9, forming an effective air circulation system, taking away the heat inside the cabinet 1, and being easy to use.

[0030] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include," "comprise," or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations. The phrase "includes an element defined by..." does not exclude the presence of other identical elements in the process, method, article, or device that includes the element.

[0031] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-voltage switch cabinet heat dissipation structure, comprising a cabinet body (1), wherein the cabinet body (1) is provided with a cabinet door (2) on the front side and a rear plate (3) detachably mounted on the rear side, characterized in that: The upper wall of the cabinet (1) is provided with a bracket (4), an air intake fan (5) is provided on the bracket (4), a plurality of air intake holes (6) are arranged on the upper wall of the cabinet (1) and located above the bracket (4), a dust screen (7) is provided above the air intake holes (6), a mounting frame (8) is fixedly provided on the top of the cabinet (1), the dust screen (7) is embedded in the mounting frame (8) and connected to the mounting frame (8) through a positioning assembly, an exhaust fan (9) connected to the rear panel (3) is provided on the bottom of the cabinet (1), and a plurality of exhaust slots (10) are provided on one side of the exhaust fan (9) at the bottom of the cabinet (1).

2. A high-voltage switchgear heat dissipation structure according to claim 1, characterized in that: The positioning assembly comprises a pair of mounting sleeves (11) arranged on both sides of the upper wall of the dust screen (7), a slide plate (12) is slidably arranged in the mounting sleeve (11), the slide plate (12) and the mounting sleeve (11) are connected by a spring (13), one end of the slide plate (12) extends out of the mounting sleeve (11) and is fixedly mounted with a connecting plate (14), a positioning block (15) is provided on the side wall of the connecting plate (14), and positioning grooves (16) for inserting the positioning block (15) are provided on both sides of the mounting frame (8).

3. A high-voltage switch cabinet heat dissipation structure according to claim 1, characterized in that: A dust cover (17) fixedly connected to the rear plate (3) is provided on the outside of the exhaust groove (10), and an opening is provided at the bottom of the dust cover (17).

4. A high-voltage switch cabinet heat dissipation structure according to claim 1, characterized in that: The bracket (4) and the cabinet (1) are connected via bolts (18).

5. The high-voltage switch cabinet heat dissipation structure according to claim 1, characterized in that: The installation frame (8) is a rectangular frame structure.

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