High-low voltage switch cabinet with bottom moisture-proof device

Abstract

The utility model discloses a high-low voltage switch cabinet with a bottom moistureproof device, which relates to the technical field of high-low voltage switch cabinets and comprises a switch cabinet body, a cabinet door is movably mounted at the front end of the switch cabinet body, a moistureproof heat dissipation assembly is arranged at the lower position in the switch cabinet body and comprises a mounting box, and a bottom moistureproof device is arranged in the mounting box. And through the moisture-proof heat dissipation assembly, the internal environment of the switch cabinet body can be conveniently cooled, the influence of the external high-temperature environment on the operation environment in the switch cabinet body is reduced, and the interior of the switch cabinet body can be dried. The bottom of the switch cabinet body and connected cables are prevented from being humid, the corrosion probability is reduced, and the problems that when a traditional high-low voltage switch cabinet is used, water vapor enters the switch cabinet along with air, corrosion is easily caused, a cooling fan is usually used for auxiliary cooling, the efficiency is low, and in a high-temperature environment, the service life of the switch cabinet is prolonged are solved. And internal devices are damaged due to untimely heat dissipation.

Description

Technical Field

[0001] The utility model relates to the technical field of high and low voltage switch cabinets, in particular to a high and low voltage switch cabinet with a bottom moisture-proof device. Background Art

[0002] High and low voltage switchgear is an electrical equipment used for power distribution and protection. It is an electrical equipment that integrates protection devices such as switches and circuit breakers. Its main functions include power distribution, control, protection and monitoring. It is widely used in power systems, industrial production, construction engineering and other fields.

[0003] When the existing high and low voltage switch cabinets are in use, in order to ensure the heat dissipation requirements of the switch cabinets, a plurality of ventilation holes are usually provided at the bottom and sides of the cabinet body. Due to the different temperatures in different regions, in some areas with high humidity in the air, there is more water vapor in the ground surface. The water vapor enters the switch cabinet with the air, which can easily cause rust. In addition, cooling fans are usually used for auxiliary heat dissipation, which has low efficiency. In a high temperature environment, it is easy to cause damage to the internal components due to untimely heat dissipation. Utility Model Content

[0004] The main purpose of the utility model is to provide a high and low voltage switch cabinet with a bottom moisture-proof device, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A high and low voltage switch cabinet with a bottom moisture-proof device comprises a switch cabinet body, a cabinet door is movably installed at the front end of the switch cabinet body, and a moisture-proof heat dissipation component is arranged at the lower position inside the switch cabinet body;

[0007] The moisture-proof heat dissipation component includes an installation box, which is fixedly installed in the center position of the switch cabinet body, and fixed plates are fixedly connected on both sides of the installation box. A partition is fixedly connected to the center position of the interior of the installation box, and ventilation fans are installed on both sides of the upper and lower ends of the partition, and air exchange ports are opened on both sides of the fixed plate, and a sponge ventilation net is installed in the air exchange port. A plurality of semiconductor refrigeration plates are installed inside the installation box and below the partition, and the cold end of the semiconductor refrigeration plate is located in the installation box, and the hot end is located below the installation box.

[0008] As a further solution of the utility model, a plurality of soft air inlets are connected through the top of the installation box, damping shafts are arranged on both sides of the plurality of soft air inlets, and the damping shafts are connected to the top of the installation box through a mounting plate.

[0009] As a further solution of the utility model, a plurality of heat dissipation openings are arranged at the rearward position inside the switch cabinet body, and heat dissipation fans are installed inside the heat dissipation openings. An air supply duct matching the heat dissipation fan is installed at the center position of the rear end of the switch cabinet body. The bottom end of the air supply duct passes through the rear end of the switch cabinet body, and the air supply duct is located below the installation box.

[0010] As a further solution of the utility model, an exhaust port is provided at a lower front end of the switch cabinet body, and an exhaust fan is installed inside the exhaust port.

[0011] As a further solution of the utility model, a wire threading plate is provided inside the switch cabinet body and at the rear end of the installation box, a wire inlet is opened through the bottom end of the switch cabinet body, and a baffle is installed inside the switch cabinet body and above the wire inlet through fixing bolts.

[0012] As a further solution of the utility model, air inlets are provided on both sides of the switch cabinet body, mounting frames matching the air inlets are provided on both sides of the switch cabinet body, and a sponge ventilation net 2 is movably installed inside the mounting frame.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The utility model sets a moisture-proof heat dissipation component to cooperate with the switch cabinet body, and the soft air inlet, semiconductor cooling sheet, and ventilation fan cooperate with each other to facilitate cooling of the internal environment of the switch cabinet body, thereby reducing the influence of the external high temperature environment on the operating environment of the switch cabinet body. The ventilation fan is installed at the bottom of the switch cabinet body through the installation box, and the hot end of the ventilation fan is located at the bottom of the switch cabinet body, so that the inside of the switch cabinet body can be dried during heat dissipation.

[0015] The exhaust fan is provided to improve the efficiency of gas discharge inside the switch cabinet body, thereby accelerating air circulation, and the sponge ventilation net and the installation frame are provided to improve the cleanliness of the air entering the switch cabinet body, and at the same time, moisture can be adsorbed to improve the dryness of the air;

[0016] By arranging air supply ducts and heat dissipation fans in conjunction with the switch cabinet body, ventilation and heat dissipation of the switch cabinet body are facilitated, and the air supply duct is connected to the lower part of the switch cabinet body. At the same time, when wiring the switch cabinet body, the baffle needs to be opened to allow the cables to enter, so that the gas with higher temperature inside the switch cabinet body can be continuously transported to the lower part of the switch cabinet body through the air supply duct and sprayed out, which is convenient for jet drying of the bottom, thereby achieving a moisture-proof effect, avoiding moisture at the bottom of the switch cabinet body and the connected cables, and reducing the probability of rust. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of a high and low voltage switch cabinet with a bottom moisture-proof device according to the utility model;

[0018] Figure 2 This is a cross-sectional view of the internal structure of the switch cabinet body and the installation box in the overall structure of a high- and low-voltage switch cabinet with a bottom moisture-proof device of the utility model;

[0019] Figure 3 This is a structural schematic diagram of a moisture-proof heat dissipation component in a high- and low-voltage switch cabinet with a bottom moisture-proof device according to the utility model;

[0020] Figure 4 It is a cross-sectional view of the connection between the air delivery duct and the switch cabinet body in the overall structure of a high and low voltage switch cabinet with a bottom moisture-proof device according to the utility model.

[0021] In the figure: 1. switch cabinet body; 2. cabinet door; 3. fixing plate; 4. moisture-proof heat dissipation component; 5. installation box; 6. partition; 7. sponge ventilation net 1; 8. ventilation fan; 9. semiconductor refrigeration plate; 10. flexible air inlet; 11. damping shaft; 12. heat dissipation fan; 13. air supply duct; 14. exhaust fan; 15. installation frame; 16. sponge ventilation net 2; 17. baffle; 18. threading plate. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0023] like Figure 1-4 As shown, a high and low voltage switch cabinet with a bottom moisture-proof device comprises a switch cabinet body 1, a cabinet door 2 is movably installed at the front end of the switch cabinet body 1, and a moisture-proof heat dissipation component 4 is arranged at the lower position inside the switch cabinet body 1;

[0024] The moisture-proof heat dissipation component 4 includes an installation box 5, which is fixedly installed in the center position of the switch cabinet body 1, and the two sides of the installation box 5 are fixedly connected with a fixing plate 3, and the center position of the installation box 5 is fixedly connected with a partition 6, and ventilation fans 8 are installed on both sides of the upper and lower ends of the partition 6, and air exchange ports are opened on both sides of the fixing plate 3, and a sponge ventilation net 7 is installed in the air exchange port, and a plurality of semiconductor refrigeration plates 9 are installed inside the installation box 5 and below the partition 6, and the cold end of the semiconductor refrigeration plate 9 is located in the installation box 5, and the hot end is located below the installation box 5.

[0025] In this embodiment, a plurality of soft air inlets 10 are connected to the top of the installation box 5, and damping shafts 11 are provided on both sides of the plurality of soft air inlets 10, and the damping shafts 11 are connected to the top of the installation box 5 through the installation plate. The soft air inlets 10 are provided to facilitate guiding the gas into the switch cabinet body 1, and the soft air inlet 10 is installed through the damping shaft 11, which is convenient for adjusting the air supply angle by turning, thereby improving the flexibility of use.

[0026] In this embodiment, a plurality of heat dissipation openings are arranged at the rearward position of the switch cabinet body 1, and a heat dissipation fan 12 is installed inside the heat dissipation openings. An air delivery duct 13 matching the heat dissipation fan 12 is installed at the center of the rear end of the switch cabinet body 1. The bottom end of the air delivery duct 13 passes through the rear end of the switch cabinet body 1, and the air delivery duct 13 is located below the installation box 5. The high-temperature gas generated by ventilation and heat dissipation inside the switch cabinet body 1 is continuously transported to the lower part of the switch cabinet body 1 through the air delivery duct 13 for spraying, which plays the role of jet drying, and is convenient for drying the connected cables and the bottom of the switch cabinet body 1;

[0027] In this embodiment, an exhaust port is provided at the lower front end of the switch cabinet body 1, and an exhaust fan 14 is installed inside the exhaust port. The exhaust fan 14 is provided to accelerate the air circulation at the bottom of the switch cabinet body 1 and facilitate ventilation.

[0028] In this embodiment, a wire threading plate 18 is provided inside the switch cabinet body 1 and at the rear end of the installation box 5, a wire inlet is provided through the bottom end of the switch cabinet body 1, and a baffle 17 is installed inside the switch cabinet body 1 and above the wire inlet through fixing bolts. By unscrewing the fixing bolts, the baffle 17 can be removed to facilitate the introduction of cables into the switch cabinet body 1, and the cables can be passed through the wire threading plate 18 and into the top of the switch cabinet body 1.

[0029] In this embodiment, air inlets are provided on both sides of the switch cabinet body 1, and mounting frames 15 matching the air inlets are provided on both sides of the switch cabinet body 1, and a sponge ventilation net 16 is movably installed inside the mounting frame 15. The sponge ventilation net 16 is provided to facilitate filtering of the gas entering the switch cabinet body 1, and the sponge ventilation net 16 has a certain moisture-proof effect.

[0030] It should be noted that the utility model is a high and low voltage switch cabinet with a bottom moisture-proof device. When in use, firstly, because a mounting box 5 is mounted below the switch cabinet body 1, and a ventilation fan 8 and a semiconductor cooling sheet 9 are mounted inside the mounting box 5, and a soft air inlet 10 is arranged above the mounting box 5, and a sponge ventilation net 7 is arranged at the side air inlet of the mounting box 5, when the switch cabinet body 1 is operating normally, the ventilation fan 8 is started, and the gas entering from the sponge ventilation net 7 is sprayed into the switch cabinet body 1 through the guidance of a plurality of soft air inlets 10, and the heat dissipation fan 12 can be turned on at the same time to extract the gas inside the switch cabinet body 1, so as to facilitate ventilation and heat dissipation of the internal components of the switch cabinet body 1;

[0031] During ventilation and heat dissipation, the semiconductor refrigeration sheet 9 can be started as needed, because the cold end of the semiconductor refrigeration sheet 9 is located inside the installation box 5, and the hot end of the semiconductor refrigeration sheet 9 is located below the installation box 5 and located at the lower part of the switch cabinet body 1, so that the semiconductor refrigeration sheet 9 can be used for cooling and cooling, which is convenient for reducing the temperature of the gas entering the installation box 5 from the sponge ventilation net 7, so that during the above ventilation and heat dissipation, the low-temperature gas is transported to the inside of the switch cabinet body 1, reducing the influence of the gas in the external high-temperature environment on the heat dissipation inside the switch cabinet body 1;

[0032] At the same time, the hot end of the semiconductor refrigeration sheet 9 continuously releases heat during cooling, which plays a role in drying the lower part of the switch cabinet body 1, and the air duct 13 is installed in the air outlet direction of the plurality of heat dissipation fans 12, and the air duct 13 can play a role in guiding the gas discharged from the heat dissipation fans 12;

[0033] Since the bottom end of the air delivery duct 13 is connected to the lower part of the switch cabinet body 1, a baffle 17 is provided at the bottom end of the switch cabinet body 1, and when the switch cabinet body 1 is wired, the baffle 17 needs to be opened to allow the cables to enter, so that the high-temperature gas generated by ventilation and heat dissipation inside the switch cabinet body 1 can be continuously transported to the lower part of the switch cabinet body 1 through the air delivery duct 13 for spraying, which plays the role of jet drying and is convenient for drying the connected cables;

[0034] Moreover, the gas can diffuse from the cable gaps to the bottom of the switch cabinet body 1, which is convenient for drying and moisture-proofing the bottom, avoiding moisture at the bottom of the switch cabinet body 1 and the connected cables, and reducing the probability of rust. At the same time, during use, the exhaust fan 14 can be turned on as needed. The exhaust fan 14 can speed up the gas circulation efficiency in the lower part of the switch cabinet body 1 and facilitate exhaust.

[0035] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A high and low voltage switch cabinet with a bottom moisture-proof device, comprising a switch cabinet body (1), a cabinet door (2) being movably mounted at the front end of the switch cabinet body (1), characterized in that: A moisture-proof heat dissipation component (4) is arranged at a lower position inside the switch cabinet body (1); The moisture-proof heat dissipation component (4) comprises an installation box (5), the installation box (5) is fixedly installed at a central position inside the switch cabinet body (1), and fixed plates (3) are fixedly connected to both sides of the installation box (5), a partition (6) is fixedly connected to the central position inside the installation box (5), ventilation fans (8) are installed at both sides of the upper and lower ends of the partition (6), air exchange ports are opened on both sides of the fixed plate (3), and a sponge ventilation net (7) is installed in the air exchange port, and a plurality of semiconductor cooling plates (9) are installed inside the installation box (5) and below the partition (6), the cold end of the semiconductor cooling plate (9) is located inside the installation box (5), and the hot end is located below the installation box (5).

2. A high and low voltage switch cabinet with a bottom moisture-proof device according to claim 1, characterized in that: A plurality of soft air inlets (10) are connected to the top of the installation box (5), and damping shafts (11) are arranged on both sides of the plurality of soft air inlets (10), and the damping shafts (11) are connected to the top of the installation box (5) through a mounting plate.

3. The high and low voltage switch cabinet with bottom moisture-proof device according to claim 1, characterized in that: A plurality of heat dissipation openings are arranged at the rear of the switch cabinet body (1), and a heat dissipation fan (12) is installed inside each of the heat dissipation openings. An air supply duct (13) matching the heat dissipation fan (12) is installed at the center of the rear end of the switch cabinet body (1). The bottom end of the air supply duct (13) passes through the rear end of the switch cabinet body (1), and the air supply duct (13) is located below the installation box (5).

4. The high and low voltage switch cabinet with bottom moisture-proof device according to claim 1, characterized in that: An exhaust port is provided at the lower front end of the switch cabinet body (1), and an exhaust fan (14) is installed inside the exhaust port.

5. The high and low voltage switch cabinet with bottom moisture-proof device according to claim 3 is characterized in that: A wire threading plate (18) is arranged inside the switch cabinet body (1) and at the rear end of the installation box (5); a wire inlet is provided through the bottom end of the switch cabinet body (1); and a baffle (17) is installed inside the switch cabinet body (1) and above the wire inlet via fixing bolts.

6. The high and low voltage switch cabinet with bottom moisture-proof device according to claim 1, characterized in that: Air inlets are provided on both sides of the switch cabinet body (1), mounting frames (15) matching the air inlets are provided on both sides of the switch cabinet body (1), and a sponge ventilation net (16) is movably installed inside the mounting frame (15).

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