WO2021253401A1

WO2021253401A1 - High- and low-voltage switch cabinet having moisture-proofing and heat-dissipating function

Info

Publication number: WO2021253401A1
Application number: PCT/CN2020/097100
Authority: WO
Inventors: 刘立忠; 郑小翠; 姜慧武
Original assignee: 江山海维科技有限公司
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2021-12-23
Also published as: ZA202203418B

Abstract

Provided is a high- and low-voltage switch cabinet having a moisture-proofing and heat-dissipating function, relating to the technical field of electrical equipment, comprising a cabinet body (1); the bottom center of the cabinet body (1) is fixedly connected to a refrigeration apparatus (3); one end of the refrigeration apparatus (3) is fixedly connected to an inlet fan (4); the top of the refrigeration device (3) is fixedly connected to a main air pipe (5); the side of the main air pipe (5) is fixedly connected, from top to bottom, to a plurality of fixed-point heat-dissipating apparatuses (7); the top of the cabinet body (1) is fixedly connected to an exhaust fan (8); one side of the cabinet body (1) runs through and is fixedly connected to a moisture-proofing apparatus (10); the moisture-proofing apparatus (10) is connected to a wind drive apparatus (11); by means of arranging the main air pipe (5) it is possible to ventilate, and dissipate heat from, the entire interior of the cabinet body (1); by means of arranging the fixed-point heat-dissipating apparatus (7) it is possible to perform fixed-point blowing according to the specific position of the main heat-emitting apparatus, enhancing heat dissipation performance; by means of arranging the semiconductor refrigeration fins (30) the heat dissipation performance is enhanced, enabling powerful and rapid cooling; by means of arranging the wind drive apparatus (11) and the moisture-proofing apparatus (10) it is possible to utilize the wind energy discharged from heat dissipation to continuously dry the inside of the cabinet body (1) and prevent moisture inside the cabinet body (1).

Description

High and low voltage switch cabinet with moisture-proof and heat dissipation function

Technical field

The invention relates to the technical field of electrical equipment, in particular to a high and low voltage switch cabinet with moisture-proof and heat-dissipating functions.

Background technique

As the name suggests, high and low voltage switch cabinets are equipment for connecting high voltage or low voltage cables. Generally, power supply bureaus and substations use high voltage cabinets, which are then reduced by transformers to low voltage cabinets, and low voltage cabinets to various power distribution boxes. Inside it is nothing more than assembling some protection devices such as switch and circuit breaker into an integrated electrical equipment. The high and low voltage switch cabinet is a kind of electrical equipment. The external line first enters the main control switch in the cabinet, and then enters the sub-control switch. Each branch is according to its needs. Settings, such as instrumentation, automatic control, motor magnetic switch, various AC contactors, etc. Some also set high-voltage room and low-voltage room switch cabinets, high-voltage busbars, such as power plants, etc., and some also have main equipment for protection Low-week load shedding.

However, most of the high and low voltage switch cabinets currently on the market have relatively simple internal structures and cannot have heat dissipation functions. Most of them have high and low voltage switch cabinets that are easy to be in a high temperature environment and run for a long time, which will easily cause damage to the circuit and fail to operate normally. .

Summary of the invention

technical problem

The solution to the problem

Technical solutions

The present invention provides a high and low voltage switch cabinet with moisture-proof and heat-dissipating functions, which solves the problems raised in the above-mentioned background art.

In order to achieve the above objectives, the present invention provides the following technical solutions:

A high and low pressure switch cabinet with moisture-proof and heat dissipation function, including a cabinet body. The bottom four corners of the cabinet body are fixedly connected with feet, the bottom center of the cabinet body is fixedly connected with a refrigerating device, one end of the refrigerating device is fixedly connected with an inlet fan, and the top of the refrigerating device The main air pipe is fixedly connected to the cabinet. The main air pipe is provided with multiple exhaust holes. The side of the main air pipe is fixedly connected to multiple fixed-point heat sinks from top to bottom. The top of the cabinet is fixedly connected to the exhaust fan and the exhaust fan. The output end of the cabinet is fixedly connected with an exhaust pipe, one side of the cabinet body is penetrated and fixedly connected with a moisture-proof device, the moisture-proof device is connected with a wind-driven device, and the exhaust pipe is connected with the wind-driven device.

As a preferred technical solution of the present invention, the refrigeration device includes a bottom shell fixedly arranged at the bottom of the cabinet body, the bottom shell is fixedly connected with a semiconductor refrigeration fin, and the cold end and the hot end of the semiconductor refrigeration fin are respectively fixedly connected with a plurality of refrigeration plates And the heat dissipation plate, the top of the bottom shell is provided with a cold air outlet communicating with the main air pipe.

As a preferred technical solution of the present invention, dense ventilation holes are opened on the refrigeration plate.

As a preferred technical solution of the present invention, the fixed-point heat dissipating device includes a mounting seat fixedly arranged on the main air pipe, a metal hose is fixedly connected to the mounting seat, and an end of the metal hose away from the mounting seat is fixedly connected to the air jet head. Dense jet holes are opened, and the metal hose is connected to the inside of the main air pipe.

As a preferred technical solution of the present invention, a first rotating seat is rotatably connected to the mounting seat, a second rotating seat is rotatably connected to the first rotating seat, and an infrared camera is rotatably connected to the second rotating seat.

As a preferred technical solution of the present invention, the moisture-proof device includes a drying hood. The two ends of the drying hood are rotatably connected to the first transmission wheel and the second transmission wheel. The drying hood is also provided with a transmission belt. The second transmission wheel is connected by a transmission belt. A plurality of partitions are fixedly connected to the outside of the transmission belt. A desiccant is filled between every two adjacent partitions. The top ends of the drying hood are respectively provided with dehumidification holes and evaporation The dehumidification hole is located in the cabinet, and the evaporation hole is located outside the cabinet.

As a preferred technical solution of the present invention, the wind driving device includes a driving outer cover fixedly arranged on the outside of the drying hood, the driving outer cover is rotatably connected with a rotating shaft, the rotating shaft is coaxially fixedly connected with the second transmission wheel, and the outer part of the rotating shaft A plurality of fan blades are fixedly connected, and the upper end and the lower end of the driving cover are respectively provided with an air inlet and an air outlet.

As a preferred technical solution of the present invention, one side of the cabinet is fixedly connected to the first heat conduction plate, one end of the first heat conduction plate is located inside the cabinet, and the other end of the first heat conduction plate is fixedly connected to the second heat conduction plate. The two heat conducting plates are embedded in the bottom end of the drying hood.

The beneficial effects of the invention

Beneficial effect

The present invention has the following advantages: the present invention can ventilate and radiate the entire interior of the cabinet 1 by setting the main air pipe, and by setting the fixed-point heat dissipation device 7 can perform fixed-point blowing according to the specific position of the main heating device to enhance the heat dissipation effect. The semiconductor refrigeration fin 30 can enhance the heat dissipation effect and achieve a powerful and rapid cooling. The wind energy discharged by the heat dissipation can be utilized by installing a wind driven device and a moisture-proof device, and the cabinet body can be continuously dried to avoid moisture inside the cabinet body 1.

Brief description of the drawings

Description of the drawings

Figure 1 is a schematic diagram of the structure of a high and low voltage switch cabinet with moisture-proof and heat-dissipating functions.

Figure 2 is a schematic structural diagram of a fixed-point heat sink in a high and low voltage switch cabinet with moisture-proof and heat-dissipating functions.

Figure 3 is a schematic diagram of the structure of a moisture-proof device in a high and low-voltage switchgear with moisture-proof and heat-dissipation functions.

Figure 4 is a schematic structural diagram of a refrigeration device in a high and low pressure switch cabinet with moisture-proof and heat-dissipating functions.

Figure 5 is a schematic diagram of the structure of the refrigeration board in the high and low pressure switch cabinet with moisture-proof and heat-dissipating functions.

Figure 6 is a schematic diagram of the structure of a wind driven device in a high and low voltage switch cabinet with moisture-proof and heat-dissipating functions.

In the picture: 1. Cabinet; 2. Foot; 3. Bottom shell; 4. Air inlet; 5. Main air pipe; 6. Exhaust hole; 7. Fixed-point heat dissipation device; 8. Exhaust fan; 9. Exhaust pipe 10. Moisture-proof device; 11. Wind driven device; 12. First heat conducting plate; 13. Mounting seat; 14. Metal hose; 15. Air jet head; 16. Air jet hole; 17, First rotating seat; Two rotating seat; 19. Infrared camera; 20. Drying cover; 21. Inner cavity; 22. Transmission belt; 23. First transmission wheel; 24. Second transmission wheel; 25. Partition plate; 26. Desiccant; 27. Evaporation Hole; 28, dehumidification hole; 29, second heat conduction plate; 30, semiconductor refrigeration sheet; 31, heat dissipation plate; 32, refrigeration plate; 33, air-conditioning outlet; 34, ventilation hole; 35, drive housing; 36, rotating shaft; 37. Wind blade; 38. Air inlet; 39. Air outlet.

Invention embodiment

Embodiments of the present invention

The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not used to limit the present invention.

It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship: Based on the orientation or positional relationship shown in the drawings, it is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood To limit the present invention.

Example 1

Please refer to Figure 1-6, a high and low voltage switchgear with moisture-proof and heat-dissipating function, including cabinet 1, the bottom four corners of cabinet 1 are fixedly connected with feet 2, and the bottom center of cabinet 1 is fixedly connected with refrigeration device 3 for cooling One end of the device 3 is fixedly connected to the inlet fan 4, and the top of the refrigeration device 3 is fixedly connected to the main air pipe 5. The main air pipe 5 is located in the cabinet 1, and the main air pipe 5 is provided with multiple exhaust holes 6, and the side of the main air pipe 5 is from the top A plurality of fixed-point heat sinks 7 are fixedly connected at the bottom, the top of the cabinet 1 is fixedly connected with an exhaust fan 8, the output end of the exhaust fan 8 is fixedly connected with an exhaust pipe 9, and one side of the cabinet 1 penetrates and is fixedly connected with a moisture-proof device 10, a moisture-proof device 10 is connected to the wind driving device 11, and the exhaust pipe 9 is connected to the wind driving device 11.

The refrigeration device includes a bottom shell 3 fixedly arranged at the bottom of the cabinet 1, and a semiconductor refrigeration fin 30 is fixedly connected in the bottom shell 3, and the cold end and the hot end of the semiconductor refrigeration fin 30 are respectively fixedly connected to a plurality of refrigeration plates 32 and heat dissipation plates 31 , The top of the bottom shell 3 is provided with a cold air outlet 33 communicating with the main air pipe 5.

The refrigeration board 32 is provided with dense ventilation holes 34.

The fixed-point heat dissipating device 7 includes a mounting seat 13 fixedly arranged on the main air pipe 5, a metal hose 14 is fixedly connected to the mounting seat 13, and an end of the metal hose 14 away from the mounting seat 13 is fixedly connected to a jet head 15 and the jet head 15 Dense jet holes 16 are opened, and the metal hose 14 communicates with the inside of the main air pipe 5.

The mounting seat 13 is rotatably connected to a first rotating seat 17, the first rotating seat 17 is rotatably connected to a second rotating seat 18, and the second rotating seat 18 is rotatably connected to an infrared camera 19.

The moisture-proof device 10 includes a drying hood 20. The two ends of the drying hood 20 are rotatably connected to the first transmission wheel 23 and the second transmission wheel 24. The drying hood 20 is also provided with a transmission belt 22, the first transmission wheel 23 and the second transmission wheel 24. The transmission wheel 24 is connected in transmission by a transmission belt 22. The outer side of the transmission belt 22 is fixedly connected with a plurality of partitions 25. A desiccant 26 is filled between every two adjacent partitions 25. The top ends of the drying hood 20 are respectively opened There are a dehumidification hole 28 and an evaporation hole 27. The dehumidification hole 28 is located in the cabinet 1, and the evaporation hole 27 is located outside the cabinet 1.

The wind driving device 11 includes a driving outer cover 35 fixedly arranged on the outside of the drying hood 20, the inner driving outer cover 35 is rotatably connected with a rotating shaft 36, the rotating shaft 36 is coaxially fixedly connected with the second transmission wheel 24, and the outside of the rotating shaft 36 is fixedly connected The upper end and the lower end of the plurality of fan blades 37 and the driving cover 35 are respectively provided with an air inlet 38 and an air outlet 39.

Example 2

Please refer to Figures 1-6. The other content of this embodiment is the same as that of Embodiment 1, except that one side of the cabinet 1 is fixedly connected to the first heat conducting plate 12, and one end of the first heat conducting plate 12 is located in the cabinet. Inside 1, the other end of the first heat conducting plate 12 is fixedly connected to the second heat conducting plate 29, and the second heat conducting plate 29 is embedded in the bottom end of the drying hood 20.

During the implementation of the present invention, after the electrical parts in the switch cabinet are installed, the metal hose 14 is bent to make the jet head 15 align with the heat-generating part according to the part with high heat-generating value, and then the air inlet fan 4 is started, one On the one hand, the wind is discharged from the exhaust hole 6 to dissipate the heat in the whole cabinet 1, on the other hand, the wind blows out from the jet head 15, and the local air flow velocity of the part where the heat is large is clamped to achieve enhanced heat dissipation and achieve the purpose of differentiated heat dissipation. When strong cooling and heat dissipation are required, the semiconductor refrigeration fin 30 is controlled to be energized and cooled, and the cooling plate is cooled. The air blown by the air inlet fan 4 passes through the refrigeration plate 32 and becomes low-temperature air into the main air duct 5 from the exhaust hole 6 and the jet hole 16 Spray to achieve a powerful cooling effect;

During the use of the cabinet 1, the desiccant 26 can absorb the moisture in the air in the cabinet 1 through the dehumidification holes 28 to dry the inside. The exhaust pipe 9 will blow the fan plate 37 when exhausting, thereby driving the The second transmission wheel 24 rotates to drive the desiccant 26 to move, and the first heat-conducting plate 12 and the second heat-conducting plate 29 heat the desiccant 26. The evaporation rate of the internal water is accelerated to be discharged from the evaporation hole 27 to achieve dehumidification and drying.

The present invention can ventilate and dissipate the entire interior of the cabinet 1 by setting the main air pipe. By setting the fixed-point heat dissipation device 7 can perform fixed-point blowing according to the specific position of the main heating device to enhance the heat dissipation effect. It is strengthened to achieve a powerful and rapid temperature drop. The wind energy discharged by heat dissipation can be utilized by installing a wind driven device and a moisture-proof device, and one part of the cabinet body can be continuously dried to avoid moisture inside the cabinet body 1.

Finally, it should be noted that the above descriptions are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, it is still for those skilled in the art. The technical solutions described in the foregoing embodiments can be modified, or some of the technical features can be equivalently replaced. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

A high and low voltage switch cabinet with moisture-proof and heat-dissipating functions, comprising a cabinet body (1). The bottom four corners of the cabinet body (1) are all fixedly connected with feet (2), characterized in that the bottom center of the cabinet body (1) is fixedly connected The refrigeration device (3), one end of the refrigeration device (3) is fixedly connected to the inlet fan (4), the top of the refrigeration device (3) is fixedly connected to the main air pipe (5), the main air pipe (5) is located in the cabinet (1), the main air pipe (5) There are multiple exhaust holes (6) on the top, the side of the main air pipe (5) is fixedly connected to multiple fixed-point heat sinks (7) from top to bottom, and the top of the cabinet (1) is fixedly connected to the exhaust fan ( 8), the output end of the exhaust fan (8) is fixedly connected to the exhaust pipe (9), one side of the cabinet (1) is penetrated and fixedly connected to the moisture-proof device (10), and the moisture-proof device (10) is connected to the wind driven device (11), The exhaust pipe (9) is connected with the wind driving device (11).
The high and low voltage switch cabinet with moisture-proof and heat dissipation functions according to claim 1, wherein the refrigeration device comprises a bottom shell (3) fixedly arranged at the bottom of the cabinet body (1), and the bottom shell (3) is fixedly connected in the bottom shell (3). The cold end and the hot end of the semiconductor refrigeration fin (30) are respectively fixedly connected to a plurality of refrigeration plates (32) and heat dissipation plates (31), and the top of the bottom shell (3) is provided with a main air pipe (5). ) The connected cold air outlet (33).
The high and low voltage switch cabinet with moisture-proof and heat-dissipating functions according to claim 2, characterized in that dense vents (34) are opened on the refrigeration board (32).
The high and low voltage switch cabinet with moisture-proof and heat-dissipating function according to claim 1, characterized in that the fixed-point heat sink (7) comprises a mounting seat (13) fixedly arranged on the main air pipe (5), and the mounting seat (13) ) Is fixedly connected to the metal hose (14), and the end of the metal hose (14) away from the mounting seat (13) is fixedly connected to the air jet head (15). The air jet head (15) is provided with dense jet holes (16). The hose (14) is internally communicated with the main air pipe (5).
The high and low voltage switch cabinet with moisture-proof and heat-dissipating functions according to claim 4, characterized in that the first rotating seat (17) is rotatably connected to the mounting seat (13), and the first rotating seat (17) is rotatably connected to the first rotating seat (17). The second rotating seat (18) is rotatably connected to the infrared camera (19) on the second rotating seat (18).
The high and low voltage switch cabinet with moisture-proof and heat-dissipating functions according to claim 1, wherein the moisture-proof device (10) comprises a drying cover (20), and two ends of the drying cover (20) are respectively connected to the first transmission The wheel (23) and the second transmission wheel (24), the drying hood (20) is also provided with a transmission belt (22), the first transmission wheel (23) and the second transmission wheel (24) are connected in transmission through the transmission belt (22), The outer side of the transmission belt (22) is fixedly connected with a plurality of partitions (25), and a desiccant (26) is filled between every two adjacent partitions (25), and the top ends of the drying hood (20) are respectively A dehumidification hole (28) and an evaporation hole (27) are provided, the dehumidification hole (28) is located in the cabinet (1), and the evaporation hole (27) is located outside the cabinet (1).
The high and low voltage switch cabinet with moisture-proof and heat-dissipating function according to claim 6, characterized in that, the wind driving device (11) comprises a driving outer cover (35) fixedly arranged outside the drying cover (20), and the driving outer cover (35) ) The inner rotating shaft (36) is connected to the rotating shaft (36), the rotating shaft (36) is coaxially fixedly connected with the second transmission wheel (24), and the outer part of the rotating shaft (36) is fixedly connected with a plurality of vane plates (37) to drive the outer cover (35) The upper end and the lower end of) are respectively provided with an air inlet (38) and an air outlet (39).
The high and low voltage switch cabinet with moisture-proof and heat dissipation functions according to claim 7, characterized in that one side of the cabinet body (1) is fixedly connected to the first heat conducting plate (12), and one end of the first heat conducting plate (12) Located inside the cabinet (1), the other end of the first heat-conducting plate (12) is fixedly connected to the second heat-conducting plate (29), and the second heat-conducting plate (29) is embedded in the bottom end of the drying hood (20).