Explosion-proof high-voltage power distribution cabinet

Abstract

The utility model relates to the technical field of power distribution cabinets, and discloses an explosion-proof high-voltage power distribution cabinet comprising a power distribution cabinet main body, two sides of the power distribution cabinet main body are respectively provided with an air inlet structure and an air outlet structure, and the air inlet structure and the air outlet structure are respectively composed of a ventilation pipeline and a plurality of first fans arranged in the ventilation pipeline. The ventilation pipeline is detachably arranged on the side wall of the power distribution cabinet body, dust filtering nets are arranged between the adjacent first fans and on the sides, close to the outer side of the power distribution cabinet body, of the first fans, the dust filtering nets are detachably arranged in the ventilation pipeline, a moisture-proof groove frame is arranged on the inner wall of the power distribution cabinet body, a blocking door is arranged on the front side of the power distribution cabinet body, and a semiconductor refrigeration plate is embedded in the blocking door. A scattered refrigeration structure is arranged on the inner side of the blocking door, and fireproof plates and explosion-proof plates are embedded in the power distribution cabinet body and the blocking door. The power distribution cabinet has the advantages that the dust filtering assembly is convenient to replace, the power distribution cabinet is prevented from being influenced by a high-concentration dust environment, the power distribution cabinet has a rapid cooling function, and equipment in the power distribution cabinet is prevented from being overheated.

Description

Technical Field

[0001] This utility model relates to the field of power distribution cabinet technology, specifically to an explosion-proof high-voltage power distribution cabinet. Background Technology

[0002] Explosion-proof high-voltage distribution cabinets are electrical devices used in particularly hazardous environments. They are mainly used in places where flammable and explosive gases, dust, or other substances may pose an explosion hazard, such as in petrochemical plants and underground coal mines.

[0003] The enclosure of this distribution cabinet is specially designed with high strength and excellent sealing properties, effectively preventing sparks and arcs from internal electrical faults from leaking into the external environment and avoiding the ignition of surrounding flammable materials that could lead to an explosion. At the same time, its internal electrical components and wiring also adhere to strict explosion-proof standards, maximizing safety while ensuring high-voltage power distribution functionality, and providing safe and stable power distribution services for industrial production and other applications.

[0004] There are two main factors that can cause an explosion. First, dust entering the electrical distribution cabinet can ignite a spark, becoming the trigger for an explosion. Second, excessively high operating temperatures can also easily induce an explosion. Currently, to prevent such situations, a combination of cooling fans and dust filters is often used. Cooling fans effectively reduce equipment temperature, while dust filters prevent most dust from entering the electrical distribution cabinet. However, when the dust concentration or temperature in the working environment is high, the effectiveness of this combination is greatly reduced. For example, in some high-temperature and dusty factory environments, cooling fans may become less efficient due to the high temperature, and dust filters may quickly become clogged with dust, significantly reducing the overall ability of the electrical distribution cabinet to prevent accidents. Utility Model Content

[0005] To solve the above-mentioned problems, this utility model proposes an explosion-proof high-voltage distribution cabinet with a dust filter component that is easy to replace, preventing the distribution cabinet from being affected by high-concentration dust environments, and a rapid cooling function to prevent the equipment inside the distribution cabinet from overheating.

[0006] To solve the above-mentioned technical problems, the technical solution proposed by this utility model is as follows: an explosion-proof high-voltage distribution cabinet, including a distribution cabinet body, an air inlet structure and an air outlet structure respectively provided on both sides of the distribution cabinet body, the air inlet structure and the air outlet structure are each composed of a ventilation duct and a number of fans installed in the ventilation duct, the ventilation duct is detachably installed on the side wall of the distribution cabinet body, dust filters are provided between adjacent fans and on the side of the fan near the outer side of the distribution cabinet body, the dust filters are detachably installed in the ventilation duct, a moisture-proof groove is provided on the inner wall of the distribution cabinet body, a baffle is provided on the front side of the distribution cabinet body, a semiconductor cooling plate is embedded in the baffle, a dispersed cooling structure is provided on the inner side of the baffle, and fireproof plates and explosion-proof plates are embedded in both the distribution cabinet body and the baffle.

[0007] Furthermore, the main body of the power distribution cabinet is equipped with power distribution components, controller fixing rods and power distribution equipment brackets, and the door is equipped with a control panel.

[0008] Based on the above features, the controller fixing rod facilitates the fixing of controllers and other equipment, the power distribution equipment bracket can better support and fix various power distribution equipment, improve the stability and safety of the equipment inside the power distribution cabinet, and also facilitate the installation, maintenance and management of the equipment. The control panel facilitates centralized control of the power distribution cabinet.

[0009] Furthermore, one end of the ventilation duct extends out of the main body of the distribution cabinet and is integrally formed with an extension edge. The extension edge is fixedly connected to the side wall of the main body of the distribution cabinet by several screws. An installation window for a dust filter is opened on the upper wall of the ventilation duct. The dust filter is connected and fixed to the installation window of the ventilation duct by several screws.

[0010] Based on the above features, the screw connection method is firm and reliable, easy to install and disassemble, and convenient for maintenance and replacement of ventilation ducts and dust filters. The installation window makes the disassembly and replacement of dust filters even more convenient.

[0011] Furthermore, the moisture-proof trough rack has several through holes on its side wall.

[0012] Based on the above characteristics, through holes can increase the contact area between the moisture-proof items in the moisture-proof rack and the air, quickly absorb moisture from the air, prevent moisture from damaging electrical equipment, and ensure the normal operation of the equipment in the distribution cabinet.

[0013] Furthermore, a plurality of semiconductor cooling chips are evenly arranged on the semiconductor cooling plate, and the cooling side of the semiconductor cooling plate is arranged facing the inside of the baffle.

[0014] Based on the above characteristics, multiple thermoelectric coolers can quickly absorb heat inside the distribution cabinet, preventing overheating and improving the reliability and stability of the cabinet. The uniform distribution of the thermoelectric coolers also ensures more even cooling and rapidly reduces the temperature of the distribution cabinet.

[0015] Furthermore, the decentralized cooling structure includes an air collection box fixedly installed inside the baffle door, a plurality of fans are evenly arranged above the air collection box, a transition groove is connected to the lower end of the air collection box, a wind distribution plate is connected above the transition groove, the wind distribution plate is a hollow structure, and a plurality of air outlet slots are evenly arranged on the side of the wind distribution plate facing the inside of the main body of the power distribution cabinet.

[0016] Based on the above features, the second fan above the air collector can promote air circulation near the semiconductor cooling plate, and quickly and evenly blow the cold air to various positions inside the distribution cabinet through the transition slot and the air outlet, thereby reducing the temperature inside the distribution cabinet more evenly, avoiding local overheating, and effectively protecting the electrical equipment inside the distribution cabinet.

[0017] Furthermore, the fireproof board is a calcium silicate fiber board, and the explosion-proof board is made of reinforced fiber cement board with pressure-galvanized steel material on the surface.

[0018] Based on the above characteristics, fireproof boards have excellent fire-resistant properties, effectively preventing the spread of fire and protecting the equipment and personnel inside the distribution cabinet. Explosion-proof boards have strong explosion-proof performance, able to withstand certain explosive impacts, preventing the distribution cabinet from cracking in the event of an explosion and reducing the damage from the accident.

[0019] The advantages of this utility model compared with the prior art are as follows:

[0020] The dust filter components are easy to replace, preventing the distribution cabinet from being affected by high-concentration dust environments. The ventilation ducts for both the air intake and exhaust structures are detachably mounted on the side wall of the main body of the distribution cabinet, facilitating overall disassembly and installation. Maintenance or replacement of the ventilation ducts can be performed conveniently. Multiple dust filters are installed detachably inside the ventilation ducts, achieving efficient dust filtration. The filters can be easily removed and replaced, ensuring cleanliness and smooth ventilation within the ducts and preventing high-concentration external dust from entering the distribution cabinet and posing safety hazards.

[0021] Featuring rapid cooling to prevent overheating of equipment inside the distribution cabinet: Multiple fans within the air intake and exhaust structures accelerate airflow within the cabinet, resulting in a cooling effect. A semiconductor cooling plate is embedded in the door, which, combined with the distributed cooling structure, quickly and thoroughly disperses cool air into the cabinet, achieving efficient cooling and preventing localized overheating. This effectively protects the electrical equipment inside the cabinet and prevents potential hazards caused by excessive temperature. Attached Figure Description

[0022] Figure 1 This is a perspective view of the present invention;

[0023] Figure 2This is the front view of this utility model;

[0024] Figure 3 This is a rear view of the present invention;

[0025] Figure 4 This is a side view of the present invention;

[0026] Figure 5 This is a top view of the present invention;

[0027] Figure 6 This is a perspective view of the ventilation duct portion of this utility model;

[0028] Figure 7 This is an enlarged view of Part A of this utility model.

[0029] As shown in the figure: 1. Main body of the power distribution cabinet; 2. Ventilation duct; 3. Fan 1; 4. Dust filter; 5. Moisture-proof rack; 6. Door; 7. Semiconductor cooling plate; 8. Fireproof plate; 9. Explosion-proof plate; 10. Power distribution components; 11. Controller fixing rod; 12. Power distribution equipment bracket; 13. Extension side; 14. Air collection box; 15. Fan 2; 16. Transition slot; 17. Air distribution plate; 18. Air outlet; 19. Control panel. Detailed Implementation

[0030] The present invention will now be described in further detail with reference to the accompanying drawings.

[0031] Combined with appendix Figure 1 Appendix Figure 2 An explosion-proof high-voltage distribution cabinet includes a cabinet body 1. The cabinet body 1 contains a power distribution component 10, a controller fixing rod 11, and a power distribution equipment bracket 12. A control panel 19 is provided on the door 6. The controller fixing rod 11 facilitates the fixing of controllers and other equipment. The power distribution equipment bracket 12 can better support and fix various power distribution equipment, improving the stability and safety of the equipment inside the cabinet. It also facilitates the installation, maintenance, and management of the equipment. The control panel 19 facilitates centralized control of the distribution cabinet.

[0032] Combined with appendix Figure 1 Appendix Figure 2 Appendix Figure 4 Appendix Figure 6The main body 1 of the power distribution cabinet is provided with an air inlet structure and an air outlet structure on both sides. The air inlet structure and the air outlet structure are both composed of a ventilation duct 2 and several fans 3 installed in the ventilation duct 2. The ventilation duct 2 is detachably installed on the side wall of the main body 1 of the power distribution cabinet. Dust filters 4 are provided between adjacent fans 3 and on the side of the fans 3 near the outside of the main body 1 of the power distribution cabinet. The dust filters 4 are detachably installed in the ventilation duct 2. One end of the ventilation duct 2 extends out of the main body 1 of the power distribution cabinet and is integrally formed with an extension edge 13. The extension edge 13 is fixedly connected to the side wall of the main body 1 of the power distribution cabinet by several screws. An installation window for the dust filters 4 is opened on the upper wall of the ventilation duct 2. The dust filters 4 are connected and fixed to the installation window of the ventilation duct 2 by several screws. The screw connection is firm and reliable, easy to install and disassemble, and convenient for maintenance and replacement of the ventilation duct 2 and the dust filters 4. The installation window makes the disassembly and replacement of the dust filters 4 more convenient.

[0033] Combined with appendix Figure 1 Appendix Figure 2 The main body 1 of the power distribution cabinet is provided with a moisture-proof tray 5 on its inner wall. The side wall of the moisture-proof tray 5 is provided with several through holes. The through holes can increase the contact area between the moisture-proof items in the moisture-proof tray 5 and the air, quickly absorb the moisture in the air, prevent moisture from damaging the electrical equipment, and ensure the normal operation of the equipment in the power distribution cabinet.

[0034] Combined with appendix Figure 3 The main body 1 of the power distribution cabinet has a door 6 on its front side, and a semiconductor cooling plate 7 is embedded in the door 6. Several semiconductor cooling chips are evenly arranged on the semiconductor cooling plate 7, with the cooling side of the plate facing inwards towards the door 6. These multiple semiconductor cooling chips can quickly absorb heat from inside the power distribution cabinet, preventing overheating and improving the reliability and stability of the cabinet. The even distribution of the semiconductor cooling chips also ensures more uniform cooling and rapidly reduces the temperature of the power distribution cabinet.

[0035] Combined with appendix Figure 1 Appendix Figure 2 Appendix Figure 4 Appendix Figure 5The inner side of the baffle 6 is provided with a distributed cooling structure, which includes an air collecting box 14 fixedly installed inside the baffle 6. Several fans 15 are evenly arranged above the air collecting box 14. A transition groove 16 is connected to the lower end of the air collecting box 14. A uniform air distribution plate 17 is connected above the transition groove 16. The uniform air distribution plate 17 has a hollow structure and several air outlets 18 are evenly arranged on the side of the uniform air distribution plate 1 facing the inside of the main body 1 of the power distribution cabinet. The fans 15 above the air collecting box 14 can promote air circulation near the semiconductor cooling plate 7 and blow the cold air quickly and evenly to various positions inside the power distribution cabinet through the transition groove 16 and the air outlets 18, so that the temperature inside the power distribution cabinet is reduced more evenly, avoiding local overheating and effectively protecting the electrical equipment inside the power distribution cabinet.

[0036] Combined with appendix Figure 7 Both the main body 1 and the door 6 of the distribution cabinet are equipped with fireproof boards 8 and explosion-proof boards 9. The fireproof board 8 is made of calcium silicate fiberboard, which has good fire resistance and can effectively prevent the spread of fire in the event of a fire, protecting the equipment and personnel inside the distribution cabinet. The explosion-proof board 9 is made of reinforced fiber cement board with a surface of pressurized galvanized steel. The explosion-proof board 9 has strong explosion-proof performance and can withstand a certain amount of explosive impact, preventing the distribution cabinet from breaking in the event of an explosion and reducing the damage caused by the accident.

[0037] The specific implementation of this utility model is as follows: The distribution cabinet is connected to an external power source. Distribution components 10, controllers, and other equipment are installed in corresponding positions within the main body 1 of the distribution cabinet, such as by using a distribution equipment bracket 12 and a controller fixing rod 11 for fixation. Moisture-proof items are placed in a moisture-proof rack 5, and moisture-proofing is achieved inside the main body 1 of the distribution cabinet through through-holes. The baffle door 6 is closed, and the distribution cabinet begins operation. Fan 3, fan 15, and the semiconductor cooling chip are turned on via the control panel 19. Fan 3 starts, and air enters through the ventilation duct 2 of the air inlet structure and exits through the ventilation duct 2 of the air outlet structure. During this process, the air is filtered layer by layer by the dust filters 4, preventing external dust from entering the main body 1 of the distribution cabinet and preventing a high-concentration dust environment from adversely affecting the distribution cabinet.

[0038] Simultaneously, the thermoelectric cooler operates to provide cooling, and fan 15 draws cool air into the air collection box 14. After passing through the transition groove 16, the air is evenly blown into various positions inside the distribution cabinet through the air outlet 18 on the air distribution plate 17, achieving rapid and uniform cooling inside the main body of the distribution cabinet 1 and preventing overheating of the equipment. In addition, the fireproof plate 8 and explosion-proof plate 9 embedded in the main body of the distribution cabinet 1 and the door 6 can respectively play a role in fire prevention and explosion prevention in the event of a fire or explosion, protecting the safety of the equipment inside the distribution cabinet.

[0039] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the term "connection" should be interpreted broadly, for example, it can be a fixed connection, a detachable connection, or an integral connection; for those skilled in the art, the specific meaning of the above term in this utility model can be understood according to the specific circumstances.

[0040] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. An explosion-proof high-voltage distribution cabinet, comprising a cabinet body (1), characterized in that: The main body (1) of the power distribution cabinet is provided with an air inlet structure and an air outlet structure on both sides. The air inlet structure and the air outlet structure are both composed of a ventilation duct (2) and a number of fans (3) set in the ventilation duct (2). The ventilation duct (2) is detachably set on the side wall of the main body (1). Dust filter screens (4) are provided between adjacent fans (3) and on the side of the fans (3) near the outside of the main body (1). The dust filter screens (4) are detachably set in the ventilation duct (2). A moisture-proof groove rack (5) is provided on the inner wall of the main body (1). A door (6) is provided on the front side of the main body (1). A semiconductor cooling plate (7) is embedded in the door (6). A decentralized cooling structure is provided on the inner side of the door (6). A fireproof plate (8) and an explosion-proof plate (9) are embedded in both the main body (1) and the door (6).

2. The explosion-proof high-voltage distribution cabinet according to claim 1, characterized in that: The main body (1) of the power distribution cabinet is equipped with a power distribution component (10), a controller fixing rod (11) and a power distribution equipment bracket (12), and the door (6) is equipped with a control panel (19).

3. The explosion-proof high-voltage distribution cabinet according to claim 1, characterized in that: One end of the ventilation duct (2) extends out of the main body (1) of the power distribution cabinet and is integrally formed with an extension edge (13). The extension edge (13) is fixedly connected to the side wall of the main body (1) of the power distribution cabinet by several screws. An installation window for a dust filter (4) is opened on the upper wall of the ventilation duct (2). The dust filter (4) is connected and fixed to the installation window of the ventilation duct (2) by several screws.

4. The explosion-proof high-voltage distribution cabinet according to claim 1, characterized in that: The moisture-proof rack (5) has several through holes on its side wall.

5. The explosion-proof high-voltage distribution cabinet according to claim 1, characterized in that: A plurality of semiconductor cooling chips are evenly arranged on the semiconductor cooling plate (7), and the cooling side of the semiconductor cooling plate (7) is arranged facing the inside of the baffle (6).

6. The explosion-proof high-voltage distribution cabinet according to claim 1, characterized in that: The decentralized cooling structure includes an air collection box (14) fixedly installed inside the baffle (6). Several fans (15) are evenly arranged above the air collection box (14). A transition groove (16) is connected to the lower end of the air collection box (14). A wind equalization plate (17) is connected above the transition groove (16). The wind equalization plate (17) has a hollow structure, and several air outlet slots (18) are evenly arranged on the side of the wind equalization plate (17) facing the inside of the main body (1) of the power distribution cabinet.

7. The explosion-proof high-voltage distribution cabinet according to claim 1, characterized in that: The fireproof board (8) is a calcium silicate fiber board, and the explosion-proof board (9) is made of reinforced fiber cement board with pressure-galvanized steel material on the surface.

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