A micro-positive pressure air supply device for explosive environment control cabinet

Abstract

The utility model relates to the technical field of control cabinets, and discloses a micro-positive pressure air supply device for use in an explosion environment control cabinet, including a control cabinet, an air supply assembly is arranged on the right side of the control cabinet, and the air supply assembly is used for auxiliary explosion protection, a quick-release assembly is arranged on the back of the air supply assembly, and the quick-release assembly is used for quick disassembly of the structure, and the air supply assembly includes a solenoid valve. The micro-positive pressure air supply device for use in an explosion environment control cabinet is equipped with an air supply assembly, and the solenoid valve can be used to control the flow of gas, so that the inert gas from the outside can be transmitted into the interior of the control cabinet, and the air inlet pressure regulating valve can be opened according to demand to inject gas into the interior of the control cabinet through the exhaust pipe, and a hose can be used to connect to a pressure gauge, and the pressure gauge can be used to detect the internal pressure, and the air supply assembly can effectively realize micro-shock pressure air supply, thereby achieving an explosion-proof effect and effectively reducing the cost of the device.

Description

Technical Field

[0001] The utility model relates to the technical field of control cabinets, in particular to a micro-positive pressure air supply device used in a control cabinet in an explosive environment. Background Art

[0002] When existing control cabinets are used, they usually need to be set up in different environments. Some control cabinets cannot effectively achieve explosion-proof effects in explosive environments and need to be dealt with by special explosion-proof control cabinets.

[0003] In the prior art, when used, the existing explosion-proof control cabinets are usually expensive, and ordinary control cabinets cannot be directly applied to explosive environments, resulting in poor adaptability of the equipment. Utility Model Content

[0004] The purpose of the utility model is to provide a micro-positive pressure air supply device for use in an explosion environment control cabinet, so as to solve the problem that the existing explosion-proof control cabinets in the above-mentioned background technology are usually expensive and ordinary control cabinets cannot be directly used in explosive environments, resulting in poor equipment adaptability.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a micro-positive pressure air supply device for an explosion environment control cabinet, comprising a control cabinet, an air supply assembly is arranged on the right side of the control cabinet, and the air supply assembly is used for auxiliary explosion protection, and a quick-release assembly is arranged on the back of the air supply assembly, and the quick-release assembly is used for quick disassembly of the structure;

[0006] The air supply assembly includes a solenoid valve, and two sets of air inlet pressure regulating valves are arranged at the end of the output end of the solenoid valve, a hose is installed on the top of the air inlet pressure regulating valve, and a pressure gauge is arranged at the end of the hose;

[0007] The quick-release assembly includes a combination cover, and a combination plate is arranged on the inner side of the combination cover, three groups of interlocking plates are installed on the bottom of the combination plate, an adjuster is installed on the front side of the upper end of the combination plate, and two groups of supporting springs are arranged inside the adjuster, a limiting block is arranged on the top of the supporting spring, and a limiting frame is arranged on the outer side of the limiting block, and the limiting frame is located on the front side of the combination cover.

[0008] Preferably, a mounting frame is provided on the left side inside the control cabinet, and an opening is provided on the back side of the lower end of the control cabinet.

[0009] Preferably, two groups of air outlet pressure regulating valves are arranged on the inner side of the upper end of the combination cover, and a transmission pipe is installed on the front side of the air outlet pressure regulating valve, and the transmission pipe extends to the inner side of the opening, and a combination groove is opened on the inner side of the combination cover, and the combination groove is located on the outer side of the combination plate, and three groups of embedding grooves are opened at the bottom of the combination groove, and the embedding grooves are located on the outer side of the embedding plate.

[0010] Preferably, two groups of installation grooves are opened on the front of the lower end of the combination plate, and the installation grooves are located on the outside of the air inlet pressure regulating valve, and two groups of positioning grooves are opened on the front of the upper end of the combination plate, and the positioning grooves are located on the outside of the pressure gauge.

[0011] Preferably, a push plate is installed at the bottom of the limit block, and the push plate is located on the top of the support spring.

[0012] Preferably, a three-way pipe is provided at the output end of the solenoid valve, and the three-way pipe is located at the bottom of the right end of the air inlet pressure regulating valve, an exhaust pipe is provided at the bottom of the left end of the air inlet pressure regulating valve, and a fixed bracket is provided on the outside of the pressure gauge, and the fixed bracket is located on the front of the combination cover.

[0013] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0014] First, the utility model is equipped with an air supply component, and the circulation of gas can be controlled by using a solenoid valve to ensure that the inert gas from the outside can be transmitted into the interior of the control cabinet. The air inlet pressure regulating valve can be opened according to demand to inject the gas into the interior of the control cabinet through the exhaust pipe. A hose can be used to connect with a pressure gauge, and the internal pressure can be detected by the pressure gauge. The air supply component can effectively realize micro-shock pressure air supply, thereby achieving an explosion-proof effect and effectively reducing the cost of the device.

[0015] Secondly, the utility model is equipped with a quick-release component, and the existing air supply component cannot be flexibly disassembled and installed to meet different needs. The combination groove can provide restrictions for the combination plate. The combination plate can limit the lower end by inserting the bottom engaging plate into the engaging groove. After the insertion is closed, the regulator can be used for restriction. The regulator can provide an installation position for the internal structure, and the support spring can push the top limit block to expand outward. After expansion, it can be embedded in the inner side of the limit frame for restriction to avoid falling off. It can be quickly disassembled for replacement and installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the combined cover of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the air inlet pressure regulating valve of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the combined board of the utility model;

[0020] Figure 5 This is a schematic diagram of the limit block structure of the utility model.

[0021] Among them: 1. control cabinet; 101. mounting frame; 102. opening; 2. combination cover; 201. air outlet pressure regulating valve; 202. transmission pipe; 203. combination slot; 204. fitting slot; 205. limit rack; 3. combination plate; 301. fitting plate; 302. mounting slot; 303. positioning slot; 4. limit block; 401. regulator; 402. support spring; 403. push plate; 5. pressure gauge; 501. solenoid valve; 502. three-way pipe; 503. air inlet pressure regulating valve; 504. exhaust pipe; 505. hose; 506. fixed bracket. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-5 A micro-positive pressure air supply device for an explosive environment control cabinet comprises a control cabinet 1, an air supply assembly is arranged on the right side of the control cabinet 1, and the air supply assembly is used for auxiliary explosion protection, and a quick release assembly is arranged on the back of the air supply assembly, and the quick release assembly is used for quick disassembly of the structure;

[0024] The air supply assembly includes a solenoid valve 501, and two sets of air inlet pressure regulating valves 503 are arranged at the end of the output end of the solenoid valve 501, a hose 505 is installed on the top of the air inlet pressure regulating valve 503, and a pressure gauge 5 is arranged at the end of the hose 505;

[0025] The quick-release assembly includes a combination cover 2, and a combination plate 3 is arranged on the inner side of the combination cover 2, three groups of interlocking plates 301 are installed at the bottom of the combination plate 3, an adjuster 401 is installed on the front of the upper end of the combination plate 3, and two groups of supporting springs 402 are arranged inside the adjuster 401, a limiting block 4 is arranged on the top of the supporting spring 402, and a limiting frame 205 is arranged on the outer side of the limiting block 4, and the limiting frame 205 is located on the front of the combination cover 2.

[0026] Through the above technical solution, the solenoid valve 501 can be used to control the flow of gas, so that the external inert gas can be transmitted into the control cabinet 1. The air inlet pressure regulating valve 503 can be opened according to demand to inject the gas into the control cabinet 1 through the exhaust pipe 504. The hose 505 can be connected to the pressure gauge 5, and the internal pressure can be detected by the pressure gauge 5. The micro-vibration pressure air supply can be effectively realized through the air supply component, thereby achieving an explosion-proof effect and effectively reducing the cost of the device.

[0027] Through the above technical scheme, the combination groove 203 can provide restriction for the combination plate 3. The combination plate 3 can limit the lower end by inserting the bottom interlocking plate 301 into the interlocking groove 204. After the insertion is closed, the adjuster 401 can be used for restriction. The adjuster 401 can provide an installation position for the internal structure, and the support spring 402 can push the top limit block 4 to expand outward. After expansion, it can be embedded in the inner side of the limit frame 205 for restriction to avoid falling off. It can be quickly disassembled for replacement and installation.

[0028] Specifically, a mounting frame 101 is provided on the left side inside the control cabinet 1 , and an opening 102 is provided on the back side of the lower end of the control cabinet 1 .

[0029] Through the above technical solution, the mounting frame 101 can provide a mounting position for the inner equipment, and the opening 102 can limit the transmission tube 202 .

[0030] Specifically, two groups of air outlet pressure regulating valves 201 are arranged on the inner side of the upper end of the combination cover 2, and a transmission pipe 202 is installed on the front side of the air outlet pressure regulating valve 201, and the transmission pipe 202 extends to the inner side of the opening 102. A combination groove 203 is opened on the inner side of the combination cover 2, and the combination groove 203 is located on the outer side of the combination plate 3. Three groups of interlocking grooves 204 are opened at the bottom of the combination groove 203, and the interlocking grooves 204 are located on the outer side of the interlocking plate 301.

[0031] Through the above technical solution, the air outlet pressure regulating valve 201 can perform pressure regulation, the transmission pipe 202 can assist the external paint spraying equipment in adjustment, the combination groove 203 can provide restriction for the inner combination plate 3, and the interlocking groove 204 can provide restriction for the interlocking plate 301, thereby assisting the splicing and increasing stability.

[0032] Specifically, two groups of mounting grooves 302 are opened on the front of the lower end of the combination plate 3, and the mounting grooves 302 are located on the outside of the air inlet pressure regulating valve 503, and two groups of positioning grooves 303 are opened on the front of the upper end of the combination plate 3, and the positioning grooves 303 are located on the outside of the pressure gauge 5.

[0033] Through the above technical solution, the installation groove 302 and the positioning groove 303 can provide an installation position for the inner device, thereby increasing the stability of the installation.

[0034] Specifically, a push plate 403 is installed at the bottom of the limiting block 4 , and the push plate 403 is located on the top of the supporting spring 402 .

[0035] Through the above technical solution, the push plate 403 can provide a grip for the user, and assist in pushing the compression support spring 402 to move the limit block 4 to separate from the limit frame 205.

[0036] Specifically, a three-way pipe 502 is provided at the output end of the solenoid valve 501, and the three-way pipe 502 is located at the bottom of the right end of the air inlet pressure regulating valve 503, an exhaust pipe 504 is provided at the bottom of the left end of the air inlet pressure regulating valve 503, and a fixed bracket 506 is provided on the outside of the pressure gauge 5, and the fixed bracket 506 is located on the front of the combination cover 2.

[0037] Through the above technical solution, the three-way pipe 502 performs gas diversion, and the inert gas can be discharged through the exhaust pipe 504 for explosion prevention. The fixed bracket 506 can increase the installation stability of the pressure gauge 5 to prevent it from falling off.

[0038] When in use, you can first grasp the push plate 403 and move it downward to compress the support spring 402. After the compression is completed, the limit block 4 can be driven to embed into the inner side of the regulator 401. The combination plate 3 can be flipped and fine-tuned to separate the interlocking plate 301 from the interlocking groove 204. After separation, it can be disassembled. When explosion-proof is required, the inert gas can be connected to the air inlet pressure regulating valve 503 through the solenoid valve 501 through the three-way pipe 502. The gas can be injected into the interior of the control cabinet 1 through the exhaust pipe 504 through the air inlet pressure regulating valve 503 to achieve explosion-proof.

[0039] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit thereof, and the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A micro-positive pressure air supply device for use in an explosive environment control cabinet, comprising a control cabinet (1), characterized in that: The control cabinet (1) is provided with an air supply assembly on the right side, and the air supply assembly is used for auxiliary explosion protection; the air supply assembly is provided with a quick-release assembly on the back side, and the quick-release assembly is used for quick disassembly of the structure; The air supply assembly comprises a solenoid valve (501), and two groups of air inlet pressure regulating valves (503) are arranged at the end of the output end of the solenoid valve (501), a hose (505) is installed on the top of the air inlet pressure regulating valve (503), and a pressure gauge (5) is arranged at the end of the hose (505); The quick-release assembly comprises a combination cover (2), and a combination plate (3) is arranged on the inner side of the combination cover (2), three groups of interlocking plates (301) are installed on the bottom of the combination plate (3), an adjuster (401) is installed on the front side of the upper end of the combination plate (3), and two groups of supporting springs (402) are arranged inside the adjuster (401), a limiting block (4) is arranged on the top of the supporting spring (402), and a limiting frame (205) is arranged on the outer side of the limiting block (4), and the limiting frame (205) is located on the front side of the combination cover (2).

2. The micro-positive pressure air supply device for use in an explosion environment control cabinet according to claim 1, characterized in that: A mounting frame (101) is provided on the left side inside the control cabinet (1), and an opening (102) is provided on the back side of the lower end of the control cabinet (1).

3. The micro-positive pressure air supply device for use in an explosion environment control cabinet according to claim 1, characterized in that: Two groups of air outlet pressure regulating valves (201) are arranged on the inner side of the upper end of the combination cover (2), and a transmission pipe (202) is installed on the front side of the air outlet pressure regulating valve (201), and the transmission pipe (202) extends to the inner side of the opening (102). A combination groove (203) is provided on the inner side of the combination cover (2), and the combination groove (203) is located on the outer side of the combination plate (3). Three groups of embedding grooves (204) are provided at the bottom of the combination groove (203), and the embedding grooves (204) are located on the outer side of the embedding plate (301).

4. The micro-positive pressure air supply device for use in an explosion environment control cabinet according to claim 1, characterized in that: Two groups of mounting grooves (302) are provided on the front of the lower end of the combined plate (3), and the mounting grooves (302) are located outside the air inlet pressure regulating valve (503); two groups of positioning grooves (303) are provided on the front of the upper end of the combined plate (3), and the positioning grooves (303) are located outside the pressure gauge (5).

5. The micro-positive pressure air supply device for use in an explosion environment control cabinet according to claim 1, characterized in that: A push plate (403) is installed at the bottom of the limit block (4), and the push plate (403) is located on the top of the support spring (402).

6. The micro-positive pressure air supply device for use in an explosion environment control cabinet according to claim 1, characterized in that: The output end of the solenoid valve (501) is provided with a three-way pipe (502), and the three-way pipe (502) is located at the bottom of the right end of the air inlet pressure regulating valve (503), and the bottom of the left end of the air inlet pressure regulating valve (503) is provided with an exhaust pipe (504), and the outer side of the pressure gauge (5) is provided with a fixed bracket (506), and the fixed bracket (506) is located on the front side of the combined cover (2).

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