Ventilation device of high-low voltage power distribution cabinet

Abstract

The utility model discloses a high and low voltage power distribution cabinet ventilation device which comprises an installation box, a connecting groove and an installation plate, the installation plate is arranged on one side of the installation box, the connecting groove is arranged on the side wall, close to the installation plate, of the installation box, the ventilation device further comprises a ventilation assembly and an auxiliary heat dissipation assembly, the ventilation assembly is arranged in the installation box, and the auxiliary heat dissipation assembly is arranged in the installation box. And the auxiliary heat dissipation assembly is arranged in the mounting box, the auxiliary heat dissipation assembly is arranged on the side, away from the connecting groove, of the ventilation assembly, and the ventilation assembly comprises a first mounting frame, a ventilation fan, ventilation holes and a filter box. The utility model belongs to the technical field of high-low voltage power distribution cabinets, and particularly relates to a ventilation device for a high-low voltage power distribution cabinet, which introduces external air into a ventilation hole of the high-low voltage power distribution cabinet through a ventilation fan, removes moisture after the external air is filtered by a filter cartridge, and provides low-temperature air by using a refrigeration sheet when needed.

Description

Technical Field

[0001] The utility model belongs to the technical field of high and low voltage distribution cabinets, in particular to a ventilation device for high and low voltage distribution cabinets. Background Art

[0002] As the name implies, high and low voltage distribution cabinets are distribution equipment used for power distribution, control, metering and cable connection in the power supply system. Generally, power supply bureaus and substations use high voltage switch cabinets, which are then stepped down by transformers and led out to low voltage distribution cabinets. The low voltage distribution cabinets are then led to the distribution boards, control boxes and switch boxes of various power users. The equipment in the distribution device is a combination of switches, circuit breakers, fuses, buttons, indicator lights, meters, wires and other protective devices that are assembled into one to meet the design functional requirements.

[0003] A large amount of heat is generated during the use of high and low voltage distribution cabinets, and air circulation is required to achieve heat dissipation. Existing high and low voltage distribution cabinet ventilation devices usually use fans or ventilation slots for heat dissipation. However, although fans can speed up the air circulation inside and outside the cabinet, when the external environment is relatively humid and hot, it is difficult to achieve efficient heat dissipation effect, and the introduction of humid air will also have an adverse effect on the electrical components in the cabinet. Utility Model Content

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a high and low voltage distribution cabinet ventilation device to solve the problem that the existing high and low voltage distribution cabinet ventilation devices usually use fans or ventilation slots for heat dissipation, but although the fan can speed up the air circulation inside and outside the cabinet, when the external environment is relatively humid and hot, it is difficult to achieve efficient heat dissipation effect, and the introduction of humid air will also have an adverse effect on the electrical components in the cabinet.

[0005] The technical solution adopted by the utility model is as follows: a ventilation device for high and low voltage distribution cabinets, including an installation box, a connecting groove and a mounting plate, the installation plate is arranged on one side of the installation box, the connecting groove is arranged on the side wall of the installation box close to the installation plate, and also includes a ventilation component and an auxiliary heat dissipation component, the ventilation component is arranged in the installation box, the auxiliary heat dissipation component is arranged in the installation box, the auxiliary heat dissipation component is arranged on the side of the ventilation component away from the connecting groove, the ventilation component includes a mounting frame, a ventilation fan, a vent and a filter box, the mounting frame is arranged between the inner side walls of the installation box, the ventilation fan is arranged on the mounting frame, the vent is arranged on the inner bottom wall of the installation box, and the filter box is threadedly connected in the vent.

[0006] Furthermore, the auxiliary heat dissipation component includes a refrigeration fin, a second mounting frame and a heat dissipation fan, the refrigeration fin is arranged on the mounting box, the refrigeration fin divides the mounting box into different cold chambers and hot chambers, the cold end of the refrigeration fin is close to the ventilation fan, the second mounting frame is arranged between the opposite inner walls of the mounting box, the heat dissipation fan is arranged on the second mounting frame, and the hot end of the refrigeration fin is close to the heat dissipation fan.

[0007] Furthermore, the vent hole is arranged between the cold end of the refrigeration fin and the connecting groove.

[0008] Furthermore, the installation box is arranged with an opening at one side away from the installation plate, a dustproof net is arranged at the opening of the installation box, and the dustproof net is arranged at a side close to the cooling fan.

[0009] Furthermore, the mounting plates are symmetrically arranged, and mounting holes are provided on the mounting plates.

[0010] Furthermore, the filter box is an activated carbon filter box.

[0011] After adopting the above structure, the utility model has the following beneficial effects:

[0012] 1. Use the ventilation fan to introduce the external air into the ventilation holes of the high and low voltage distribution cabinets. The external air is filtered through the filter box to remove moisture, so as to avoid the external air being too humid and introduced into the cabinet to affect the service life of electronic components;

[0013] 2. Through the auxiliary heat dissipation components, the cold air generated by the refrigeration plate is collected in the cold cavity of the installation box, and then introduced into the high and low voltage distribution cabinet through the ventilation fan to assist in cooling the air in the cabinet. The heat generated by the refrigeration plate is discharged from the installation box through the heat dissipation fan. 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. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0015] Figure 1 This is a schematic diagram of the overall structure of the high and low voltage distribution cabinet ventilation device proposed by the utility model;

[0016] Figure 2 This is a structural schematic diagram of the high and low voltage distribution cabinet ventilation device proposed by the utility model from another angle;

[0017] Figure 3 This is a schematic diagram of the cold chamber and hot chamber structure of the high and low voltage distribution cabinet ventilation device proposed by the utility model.

[0018] In the attached drawings: 1. installation box, 2. connection groove, 3. installation plate, 4. ventilation assembly, 5. auxiliary heat dissipation assembly, 6. installation frame 1, 7. ventilation fan, 8. ventilation hole, 9. filter box, 10. cooling plate, 11. installation frame 2, 12. cooling fan, 13. cold chamber, 14. hot chamber, 15. dustproof net, 16. installation hole. DETAILED DESCRIPTION

[0019] like Figure 1-3 As shown, a ventilation device for a high and low voltage distribution cabinet comprises an installation box 1, a connecting groove 2 and a mounting plate 3, wherein the mounting plate 3 is arranged on one side of the installation box 1, and the connecting groove 2 is arranged on the side wall of the installation box 1 close to the mounting plate 3, and further comprises a ventilation component 4 and an auxiliary heat dissipation component 5, wherein the ventilation component 4 is arranged in the installation box 1, and the auxiliary heat dissipation component 5 is arranged in the installation box 1, and the auxiliary heat dissipation component 5 is arranged on the side of the ventilation component 4 away from the connecting groove 2, the ventilation component 4 comprises a mounting frame 6, a ventilation fan 7, a vent 8 and a filter box 9, the mounting frame 6 is arranged between the inner side walls of the installation box 1, the ventilation fan 7 is arranged on the mounting frame 6, the vent 8 is arranged on the inner bottom wall of the installation box 1, and the filter box 9 is threadedly connected in the vent 8.

[0020] like Figure 2-3 As shown, in order to assist in cooling the cabinet when the external environment is relatively hot, the auxiliary heat dissipation component 5 includes a refrigeration fin 10, a second mounting frame 11 and a heat dissipation fan 12. The refrigeration fin 10 is arranged on the mounting box 1, and the refrigeration fin 10 divides the mounting box 1 into different cold chambers 13 and hot chambers 14. The cold end of the refrigeration fin 10 is close to the ventilation fan 7, the second mounting frame 11 is arranged between the opposite inner walls of the mounting box 1, the heat dissipation fan 12 is arranged on the second mounting frame 11, and the hot end of the refrigeration fin 10 is close to the heat dissipation fan 12.

[0021] Among them, the vent hole 8 is arranged between the cold end of the refrigeration plate 10 and the connecting groove 2, the installation box 1 is opened on the side away from the installation plate 3, and a dustproof net 15 is provided at the opening of the installation box 1. The dustproof net 15 is arranged on the side close to the cooling fan 12. The installation plate 3 is symmetrically arranged, and a mounting hole 16 is provided on the installation plate 3. The filter box 9 is an activated carbon filter box 9.

[0022] During specific use, the connecting slot 2 is aligned with the ventilation hole of the high and low voltage distribution cabinet, the device is fixed through the mounting hole 16 on the mounting plate 3, and the ventilation fan is started. The ventilation fan introduces external air into the installation box 1 from the ventilation hole 8, and the external air enters the installation box 1 through the filter box 9 to remove the internal moisture and dust, and then enters the cabinet through the connecting slot 2 and the ventilation hole of the high and low voltage distribution cabinet, ventilates and cools the cabinet, and is discharged from other through holes or slots of the cabinet. When the external environment is relatively hot, the refrigeration plate 10 and the heat dissipation fan 12 are started. After the refrigeration plate 10 is powered on, the cold end absorbs heat, so that the temperature in the cold chamber 13 of the installation box 1 is reduced. The ventilation fan introduces external air into the installation box 1 from the ventilation hole 8, and the temperature is reduced. Then, the air enters the high and low voltage distribution cabinet, and the low-temperature air has a good ventilation and heat dissipation effect. The hot end of the refrigeration plate 10 dissipates the heat, and the heat dissipation fan 12 discharges the heat of the hot end of the refrigeration plate 10 outside the installation box 1 through the opening on the installation box 1. The dustproof net 15 reduces the dust from entering the installation box 1.

[0023] Although the embodiments of the utility model have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the attached claims and their equivalents. In short, if those skilled in the art are inspired by them and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the scope of protection of the utility model.

Claims

1. A ventilation device for a high and low voltage distribution cabinet, comprising an installation box, a connection slot and a mounting plate, wherein the mounting plate is arranged on one side of the installation box, and the connection slot is arranged on a side wall of the installation box close to the mounting plate, characterized in that: It also includes a ventilation component and an auxiliary heat dissipation component, the ventilation component is arranged in the installation box, the auxiliary heat dissipation component is arranged in the installation box, the auxiliary heat dissipation component is arranged on the side of the ventilation component away from the connecting groove, the ventilation component includes a mounting frame, a ventilation fan, a ventilation hole and a filter box, the mounting frame is arranged between the inner side walls of the installation box, the ventilation fan is arranged on the mounting frame, the ventilation hole is arranged on the bottom wall of the installation box, and the filter box is threadedly connected in the ventilation hole.

2. The high and low voltage distribution cabinet ventilation device according to claim 1 is characterized in that: The auxiliary heat dissipation component includes a refrigeration fin, a second mounting frame and a heat dissipation fan. The refrigeration fin is arranged on the mounting box. The refrigeration fin divides the mounting box into different cold chambers and hot chambers. The cold end of the refrigeration fin is close to the ventilation fan. The second mounting frame is arranged between the opposite inner walls of the mounting box. The heat dissipation fan is arranged on the second mounting frame, and the hot end of the refrigeration fin is close to the heat dissipation fan.

3. The high and low voltage distribution cabinet ventilation device according to claim 2 is characterized in that: The vent hole is arranged between the cold end of the refrigeration plate and the connecting groove.

4. The high and low voltage distribution cabinet ventilation device according to claim 3 is characterized in that: The installation box is arranged with an opening at one side away from the installation plate, and a dustproof net is arranged at the opening of the installation box, and the dustproof net is arranged at a side close to the heat dissipation fan.

5. The high and low voltage distribution cabinet ventilation device according to claim 4 is characterized in that: The mounting plates are symmetrically arranged, and mounting holes are provided on the mounting plates.

6. The high and low voltage distribution cabinet ventilation device according to claim 5 is characterized in that: The filter box is an activated carbon filter box.

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