Moisture-proof heat dissipation type high-low voltage power distribution cabinet

Abstract

The utility model discloses a moisture-proof heat dissipation type high-low voltage power distribution cabinet, and particularly relates to the technical field of power distribution cabinets, which comprises a cabinet, a cabinet door rotationally connected to the cabinet through a hinge, and a high-low voltage power distribution frame arranged in the cabinet, the other side of the cabinet is sequentially connected with an air drying structure I, an air cooling structure and an air drying structure II from top to bottom, the air drying structure I is used for heating and drying air, and the air cooling structure is used for cooling the heated and dried air; the second air drying structure comprises a second air inlet box fixedly connected to the other side of the cabinet and a drying and dehumidifying plate detachably connected into the second air inlet box, and vent holes are formed in the drying and dehumidifying plate. According to the utility model, the problems that the moisture-proof maintenance workload is increased while the moisture absorption capacity is insufficient due to the fact that the high-low voltage power distribution cabinet only uses a drying and dehumidifying plate for moisture removal and water absorption are limited, and the drying and dehumidifying plate belongs to passive moisture removal are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of power distribution cabinets, and more specifically, to a moisture-proof and heat-dissipating high and low voltage power distribution cabinet. 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 to low voltage distribution cabinets. When repairing high and low voltage distribution cabinets, it is often found that there is more or less moisture inside the distribution cabinets. Some distribution cabinets are in serious condition, with surrounding cables covered with mildew spots, metal fittings inside rusted, and tripping often occurs, which may cause fires.

[0003] Announcement No. CN220652640U discloses a moisture-proof and heat-dissipating high and low voltage power distribution cabinet, including a cabinet, a ventilation slot is provided on the right side wall of the cabinet, a first protective net is fixedly connected to the inner wall of the cabinet, the first protective net is located on the left side of the ventilation slot, a dehumidification plate is installed inside the ventilation slot, an inclined hole is provided inside the dehumidification plate, and the number of the inclined holes is multiple, a second protective net is movably connected to the outer wall of the cabinet, the second protective net is located on the right side of the ventilation slot, a cross bar is fixedly connected to the inner wall of the cabinet, a fan is fixedly connected to the outer surface of the cross bar, and the position of the fan corresponds to the position of the ventilation slot. The utility model can ventilate and dissipate the components inside the cabinet when in use, and can also dry the airflow entering the cabinet from the outside, which is convenient for the use of the power distribution cabinet.

[0004] In the above patent, the inventor believes that although the patent achieves drying of the air through the drying dehumidification plate when in use, the water absorption effect of the drying dehumidification plate is limited, and the drying dehumidification plate belongs to passive dehumidification. Not only is the moisture absorption capacity insufficient, but it also increases the workload of moisture-proof maintenance. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a moisture-proof and heat-dissipating high and low voltage distribution cabinet. The technical problem to be solved by the utility model is that the effect of using only a drying and dehumidifying plate for dehumidification and water absorption in the high and low voltage distribution cabinet is limited, and the drying and dehumidifying plate belongs to passive dehumidification, and the moisture absorption capacity is insufficient, and the workload of moisture-proof maintenance is increased.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a moisture-proof and heat-dissipating high and low voltage distribution cabinet, comprising a cabinet, a cabinet door connected to the cabinet by hinges, and a high and low voltage distribution frame arranged in the cabinet, one side of the cabinet is fixedly embedded with a dustproof net, and the other side of the cabinet is connected with an air drying structure 1, an air cooling structure and an air drying structure 2 in sequence from top to bottom, the air drying structure 1 is used for heating and drying the air, the air cooling structure is used for cooling the heated and dried air, the air drying structure 2 comprises an air inlet box 2 fixedly connected to the other side of the cabinet and a drying and dehumidifying plate detachably connected to the air inlet box 2, ventilation holes are arranged on the drying and dehumidifying plate, the air inlet box 2 is connected to the air cooling structure, a cooling fan is arranged in the cabinet and near the opening of the air inlet box 2, and a solar power generation panel is arranged on the top of the cabinet.

[0007] In a preferred embodiment, the air drying structure 1 includes an air inlet box 1 and a heating component fixedly connected to the air inlet box 1, and a dustproof net 2 is provided at the bottom of the air inlet box 1.

[0008] In a preferred embodiment, the air cooling structure includes a cooling box, a refrigeration block arranged in the cooling box, and a plurality of cooling pipes fixedly passing through the cooling box, one end of the cooling pipe is fixedly connected to the air intake box one, and the other end of the cooling pipe is fixedly connected to the air intake box two.

[0009] In a preferred embodiment, a heat-insulating layer is provided on the inner wall of the cooling box.

[0010] In a preferred embodiment, a plurality of spoiler half plates are vertically staggered on the inner wall of the cooling tube, and the inner cavity of the cooling tube forms a bent cooling cavity through the spoiler half plates.

[0011] In a preferred embodiment, an assembly groove is provided at the inner bottom of the air inlet box 2, and the assembly groove extends to the side position of the air inlet box 2, the drying and dehumidifying plate is movably inserted in the assembly groove, and a cover plate is detachably connected to the side of the air inlet box 2, and the cover plate corresponds to one side of the drying and dehumidifying plate.

[0012] In a preferred embodiment, an automatic power supply switching circuit is provided on the rear surface of the cabinet, and the automatic power supply switching circuit is electrically connected to the solar power generation panel and the municipal power supply respectively, and a temperature and humidity sensor is provided in the cabinet.

[0013] Technical effects and advantages of the utility model:

[0014] The moisture-proof and heat-dissipating high and low voltage distribution cabinet of the utility model cooperates by setting an air drying structure 1, an air cooling structure and an air drying structure 2 which are connected in sequence. In the process of the heat dissipation fan accelerating the air flow and heat dissipation in the cabinet, the incoming air can be heated and dried by the air drying structure 1 to remove a large amount of moisture in the air. Then the heated and dried air is cooled by the air cooling structure, so that heat dissipation and dry air suitable for the temperature can be provided in the cabinet. Finally, the drying and dehumidifying plate can perform water absorption and finishing dehumidification on the cooled dry air. Therefore, the air drying process is realized by the above two different physical methods, so that the moisture problem of the cabinet can be minimized, thereby satisfying the moisture-proof and heat-dissipating effect of the high and low voltage distribution cabinet. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the implementation or the prior art description. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0016] Figure 1 It is a schematic structural diagram of the overall first viewing angle of the utility model.

[0017] Figure 2 It is a schematic structural diagram of the overall second viewing angle of the utility model.

[0018] Figure 3 For this utility model Figure 1 Schematic diagram of the structure without cabinet doors.

[0019] Figure 4 It is a structural schematic diagram of the air drying structure 1 of the utility model.

[0020] Figure 5 It is a structural schematic diagram of the air cooling structure of the utility model.

[0021] Figure 6 It is a structural schematic diagram of the air drying structure 2 of the utility model.

[0022] The accompanying drawings are marked as follows: 1. cabinet; 2. cabinet door; 3. dustproof net 1; 4. air drying structure 1; 41. air inlet box 1; 42. heating component; 5. air cooling structure; 51. cooling box; 52. refrigeration block; 53. cooling pipe; 6. air drying structure 2; 61. air inlet box 2; 62. drying and dehumidifying plate; 7. high and low voltage distribution rack; 8. cooling fan; 9. solar panel; 10. dustproof net 2; 11. insulation layer; 12. spoiler half plate; 13. assembly slot; 14. cover plate; 15. automatic power supply switching circuit; 16. temperature and humidity sensor. DETAILED DESCRIPTION

[0023] The following is a specific embodiment of the present invention. People familiar with the technology can easily understand the other advantages and functions of the present invention from the contents disclosed in this specification. Obviously, the described embodiment is a part 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 creative work are within the scope of protection of the present invention.

[0024] Combined with reference Figure 1-Figure 6 The utility model provides a moisture-proof and heat-dissipating high and low voltage distribution cabinet, including a cabinet 1, a cabinet door 2 connected to the cabinet 1 by hinges, and a high and low voltage distribution rack 7 arranged in the cabinet 1. The high and low voltage distribution rack 7 can be equipped with high and low voltage distribution components. A dustproof net 3 is fixedly embedded on one side of the cabinet 1. The dustproof net 3 can be used to prevent dust and intercept foreign objects in the cabinet 1. The other side of the cabinet 1 is connected with an air drying structure 4, an air cooling structure 5 and an air drying structure 6 in sequence from top to bottom. The air drying structure 4 is used for heating and drying air, and the air cooling structure 5 is used for cooling the heated and dried air. The air drying structure 6 includes a fixed connection to the other side of the cabinet 1. The air inlet box 61 and the dehumidifying plate 62 detachably connected to the air inlet box 61, the dehumidifying plate 62 can be made of absorbent material, and the dehumidifying plate 62 is provided with ventilation holes, and the ventilation holes are preferably inclined holes, which can promote the contact between air and the dehumidifying plate 62, the air inlet box 61 is connected to the air cooling structure 5, and a cooling fan 8 is provided in the cabinet 1 and near the opening of the air inlet box 61, and the cooling fan 8 can accelerate the circulation of air in the cabinet 1, so that the high and low voltage components in the cabinet 1 can be cooled by blowing air, and a solar power generation panel 9 is provided on the top of the cabinet 1. The setting of the solar power generation panel 9 can adapt to the use of outdoor electricity in high and low voltage distribution cabinets.

[0025] The air drying structure 4 includes an air inlet box 41 and a heating component 42 fixedly connected to the air inlet box 41. The heating component 42 can adopt an electric heating element, such as an electric heating tube, etc. A dustproof net 10 is provided at the bottom of the air inlet box 41. The dustproof net 10 is preferably a metal heat-resistant structure, which can prevent foreign matter and dust from entering the air inlet box 41 and affecting the circulation and cleanliness of the air.

[0026] The air cooling structure 5 includes a cooling box 51, a refrigeration block 52 arranged in the cooling box 51 and a plurality of cooling pipes 53 fixedly passing through the cooling box 51. The cooling box 51 can be provided with cooling water. The refrigeration block 52 is used to cool the cooling water in the cooling box 51. The cooling pipe 53 is preferably a copper pipe. One end of the cooling pipe 53 is fixedly connected to the air intake box 1 41, and the other end of the cooling pipe 53 is fixedly connected to the air intake box 2 61.

[0027] A heat-insulating layer 11 is provided on the inner wall of the cooling box 51 , and the heat-insulating layer 11 can improve the heat-insulating property of the cooling box 51 .

[0028] Specifically, when the heating component 42 is heating and the cooling fan 8 is blowing, the air in the cooling pipe 53 can flow into the cabinet 1 and flow outward through the dustproof net 3. Due to the heating treatment of the air by the heating component 42, the air can achieve a relatively dry effect. When the relatively dry air flows through the cooling pipe 53, the heated dry air can be cooled by the heat conduction of the cooling pipe 53 using cooling water set at a low temperature to ensure the reliability of the heat dissipation temperature.

[0029] A plurality of spoiler half plates 12 are vertically staggered on the inner wall of the cooling tube 53. The inner cavity of the cooling tube 53 forms a bent cooling cavity through the spoiler half plates 12. The setting of the spoiler half plates 12 can enable the air in the cooling tube 53 to achieve a bent flow effect, which can increase the sufficient contact between the air and the tube wall of the cooling tube 53, thereby improving the cooling effect.

[0030] An assembly groove 13 is provided at the inner bottom of the air intake box 61, and the assembly groove 13 extends to the side position of the air intake box 61. The drying and dehumidifying plate 62 is movably inserted in the assembly groove 13. The side of the air intake box 61 is disassembled and connected with a cover plate 14. The cover plate 14 corresponds to one side of the drying and dehumidifying plate 62. The cover plate 14 can be disassembled and assembled by screws, which makes it convenient to replace the drying and dehumidifying plate 62. After the heat dissipation air is discharged through the cooling pipe 53, it can be merged into the air intake box 61. At this time, the heat dissipation air is in a state of maximum dehumidification. Finally, it is dried by absorbing water through the ventilation holes of the drying and dehumidifying plate 62. In this way, the water content of the heat dissipation air can meet the humidity requirements. Because the drying and dehumidifying plate 62 is used as the finishing drying structure, facing the air with low dryness, its water absorption and moisture-proof service life can be longer.

[0031] An automatic power supply switching circuit 15 is provided on the rear surface of the cabinet 1. It is worth noting that the automatic power supply switching circuit 15 in the utility model can adopt a solar power supply and municipal power supply automatic switching circuit disclosed in announcement number CN210111690U as the existing power distribution technology to realize the intelligent distribution of intelligent municipal power supply and solar power supply. The specific principle will not be further elaborated here.

[0032] The automatic power supply switching circuit 15 is electrically connected to the solar power generation panel 9 and the municipal power supply respectively. A temperature and humidity sensor 16 is arranged in the cabinet 1. In the utility model, the solar power generation panel 9 can be electrically connected to the automatic power supply switching circuit 15 through a battery with a charging and discharging circuit, so that the electric energy stored in the battery by the solar power generation panel 9 and the municipal power supply can be coordinated by the automatic power supply switching circuit 15. In this way, the high and low voltage distribution cabinets can be suitable for outdoor use, thereby reducing the use of energy. The power output distributed by the automatic power supply switching circuit 15 is mainly used in the heating component 42, the cooling block 52 and the temperature and humidity sensor 16; the temperature and humidity sensor 16 can be electrically connected to the cooling fan 8, the heating component 42 and the cooling block 52 through an external controller, so that the start and stop of each electrical equipment can be controlled according to the temperature and humidity status in the cabinet 1.

Claims

1. A moisture-proof and heat-dissipating high and low voltage power distribution cabinet, comprising a cabinet (1), a cabinet door (2) rotatably connected to the cabinet (1) by hinges, and a high and low voltage power distribution frame (7) arranged in the cabinet (1), characterized in that: A dust screen (3) is fixedly embedded on one side of the cabinet (1), and an air drying structure (4), an air cooling structure (5) and an air drying structure (6) are connected to the other side of the cabinet (1) in sequence from top to bottom. The air drying structure (4) is used for heating and drying air, and the air cooling structure (5) is used for cooling the heated and dried air. The air drying structure (6) comprises an air inlet box (61) fixedly connected to the other side of the cabinet (1) and a drying and dehumidifying plate (62) detachably connected to the air inlet box (61), and ventilation holes are provided on the drying and dehumidifying plate (62). The air inlet box (61) is connected to the air cooling structure (5). A cooling fan (8) is provided in the cabinet (1) and near the opening of the air inlet box (61). A solar panel (9) is provided on the top of the cabinet (1).

2. The moisture-proof and heat-dissipating high and low voltage distribution cabinet according to claim 1 is characterized in that: The air drying structure one (4) comprises an air inlet box one (41) and a heating component (42) fixedly connected to the air inlet box one (41), and a dustproof net two (10) is arranged at the bottom of the air inlet box one (41).

3. The moisture-proof and heat-dissipating high and low voltage distribution cabinet according to claim 2 is characterized in that: The air cooling structure (5) comprises a cooling box (51), a refrigeration block (52) arranged in the cooling box (51), and a plurality of cooling pipes (53) fixedly passing through the cooling box (51), one end of the cooling pipe (53) being fixedly connected to the air intake box one (41), and the other end of the cooling pipe (53) being fixedly connected to the air intake box two (61).

4. The moisture-proof and heat-dissipating high and low voltage distribution cabinet according to claim 3 is characterized in that: A heat-insulating layer (11) is provided on the inner wall of the cooling box (51).

5. The moisture-proof and heat-dissipating high and low voltage distribution cabinet according to claim 3 is characterized in that: A plurality of spoiler half plates (12) are vertically staggeredly arranged on the inner wall of the cooling tube (53), and the inner cavity of the cooling tube (53) forms a bent cooling cavity through the spoiler half plates (12).

6. The moisture-proof and heat-dissipating high and low voltage distribution cabinet according to claim 1 is characterized in that: The inner bottom of the second air inlet box (61) is provided with an assembly groove (13), and the assembly groove (13) extends to the side of the second air inlet box (61), and the drying and dehumidifying plate (62) is movably inserted into the assembly groove (13). A cover plate (14) is detachably connected to the side of the second air inlet box (61), and the cover plate (14) corresponds to one side of the drying and dehumidifying plate (62).

7. The moisture-proof and heat-dissipating high and low voltage distribution cabinet according to claim 1 is characterized in that: An automatic power supply switching circuit (15) is provided on the rear surface of the cabinet (1), and the automatic power supply switching circuit (15) is electrically connected to the solar power generation panel (9) and the municipal power supply, respectively. A temperature and humidity sensor (16) is provided in the cabinet (1).

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