Positive pressure ventilation type explosion-proof power distribution cabinet
By designing a slidingly connected filter plate and spring reset mechanism, the problem of difficulty in cleaning caused by the existing distribution cabinet filter plate is solved, and convenient cleaning and ventilation is improved, while providing additional corrosion protection.
Patent Information
- Application Number
- CN202421127064.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-22
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-05-22
AI Technical Summary
The filter plates of existing positive pressure ventilation type explosion-proof distribution cabinets are not easy to disassemble, resulting in difficulty in cleaning and affecting ventilation effect.
A slidably connected filter plate is designed. By pulling the connecting plate, the fixing bolt is moved, the filter plate is pulled out for cleaning, and after cleaning is completed, the fixing bolt is driven by a spring to reset the filter plate, and the filter plate is re-fixed.
It realizes convenient cleaning of filter plates to prevent damage to ventilation effect caused by dust accumulation, and at the same time, the service life of the distribution cabinet is extended through anti-corrosion coating.
Smart Images

Figure CN222463835U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of power distribution cabinets, in particular to a positive pressure ventilation type explosion-proof power distribution cabinet. Background Art
[0002] A positive pressure ventilation explosion-proof distribution cabinet is an electrical device used in a specific environment to provide power distribution and control, while preventing electrical equipment from causing explosions or fires in dangerous environments, ensuring the safety and stability of the production environment;
[0003] A positive pressure ventilation explosion-proof distribution cabinet has a ventilation system to ensure that the internal pressure will not be lower than the external environment, reducing the risk of explosion. In order to ensure normal operation and safety, the cabinet is equipped with a monitoring system to monitor the internal environment and air pressure parameters, and trigger an alarm or automatically shut down the system when necessary to prevent potential dangers;
[0004] In order to prevent external dust from entering the cabinet, a filter plate is provided in the positive pressure ventilation type explosion-proof distribution cabinet. The existing filter plate is not easy to disassemble, which makes cleaning more troublesome and easily affects its ventilation effect due to dust accumulation. Therefore, a positive pressure ventilation type explosion-proof distribution cabinet is proposed to solve the above problem. Utility Model Content
[0005] In order to make up for the above shortcomings, the utility model provides a positive pressure ventilation type explosion-proof distribution cabinet, aiming to improve the problem in the prior art that the filter plate is difficult to disassemble and thus difficult to clean.
[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0007] A positive pressure ventilation explosion-proof power distribution cabinet, comprising a cabinet, an anti-corrosion component is arranged on the periphery of the cabinet, a plurality of evenly distributed fans are fixedly connected to one side of the interior of the cabinet, a plurality of evenly distributed vents are opened inside the cabinet, a filter plate is slidably connected to one side of the interior of the cabinet, a handle is fixedly connected to the rear side of the filter plate, two springs are fixedly connected to the rear side of the interior of the cabinet, a fixing bolt is fixedly connected to one end of the spring away from the cabinet, a front side of the fixing bolt is slidably connected to the interior of the cabinet, and an end of the fixing bolt away from the spring is slidably connected to the interior of the filter plate;
[0008] As a further description of the above technical solution:
[0009] The anti-corrosion component includes a zinc coating, the zinc coating is coated on the periphery of the cabinet body, and the periphery of the zinc coating is coated with an epoxy coating;
[0010] As a further description of the above technical solution:
[0011] The two fixing bolts are fixedly connected with a connecting plate on one side facing each other;
[0012] As a further description of the above technical solution:
[0013] The front side of the filter plate is fixedly connected to a limit plate, and the outer periphery of the limit plate is slidably connected to the inside of the cabinet;
[0014] As a further description of the above technical solution:
[0015] A side of the cabinet away from the fan is rotatably connected to a plurality of evenly distributed baffles;
[0016] As a further description of the above technical solution:
[0017] The front side of the cabinet body is abutted against a cabinet door, and one side between the cabinet door and the cabinet body is provided with two hinges;
[0018] As a further description of the above technical solution:
[0019] A handle 2 is fixedly connected to a side of the front of the cabinet door away from the hinge, and a door lock is arranged inside the front side of the cabinet door;
[0020] As a further description of the above technical solution:
[0021] A monitor is fixedly connected to the top side of the cabinet, and an alarm is fixedly connected to the top of the cabinet.
[0022] The utility model has the following beneficial effects:
[0023] 1. In the utility model, the fixing bolt can be driven to move by pulling the connecting plate, and the fixing bolt can release the fixing of the filter plate by moving. After releasing the fixing of the filter plate, the filter plate can be pulled out by pulling the handle, and the filter plate can be cleaned after being pulled out to prevent clogging due to dust accumulation and thus affecting its ventilation effect. After cleaning, the fixing bolt can be driven to reset by the elastic force of the spring, and the fixing bolt can fix the filter plate by resetting. By installing the filter plate, external dust can be prevented from entering the electric cabinet.
[0024] 2. In the present invention, by applying a zinc coating on the periphery of the cabinet body, additional anti-corrosion protection can be provided, and by applying an epoxy coating on the periphery of the zinc coating, a solid protective layer can be formed on the surface of the distribution cabinet, effectively preventing the metal parts from being corroded, thereby extending its service life and improving reliability. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] Figure 1 This is a three-dimensional schematic diagram of a positive pressure ventilation type explosion-proof power distribution cabinet proposed by the utility model;
[0026] Figure 2This is a structural schematic diagram of a filter plate of a positive pressure ventilation type explosion-proof distribution cabinet proposed by the utility model;
[0027] Figure 3 This is a structural schematic diagram of a positive pressure ventilation type explosion-proof power distribution cabinet proposed by the utility model;
[0028] Figure 4 The utility model is a schematic diagram of the structure of a door lock of a positive pressure ventilation type explosion-proof distribution cabinet.
[0029] Legend:
[0030] 1. Cabinet body; 2. Fan; 3. Vent; 4. Filter plate; 5. Handle 1; 6. Spring; 7. Fixing bolt; 8. Zinc coating; 9. Epoxy coating; 10. Connecting plate; 11. Limit plate; 12. Baffle; 13. Cabinet door; 14. Hinge; 15. Handle 2; 16. Door lock; 17. Monitor; 18. Alarm. DETAILED DESCRIPTION
[0031] 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.
[0032] Reference Figure 1 - Figure 3 The utility model provides an embodiment: a positive pressure ventilation type explosion-proof power distribution cabinet, including a cabinet 1, a plurality of evenly distributed fans 2 are fixedly connected to one side of the cabinet 1, a plurality of evenly distributed vents 3 are opened inside the cabinet 1, a filter plate 4 is slidably connected to one side of the cabinet 1, a handle 5 is fixedly connected to the rear side of the filter plate 4, two springs 6 are fixedly connected to the rear side of the cabinet 1, a fixing bolt 7 is fixedly connected to the end of the spring 6 away from the cabinet 1, the front side of the fixing bolt 7 is slidably connected to the cabinet 1, and the end of the fixing bolt 7 away from the spring 6 is slidably connected to the filter plate 4. The cabinet 1 is used to provide power distribution and control, the fan 2 can draw external air into the cabinet 1, the vents 3 can evenly flow external air through the cabinet 1, the filter plate 4 is used to prevent external dust from entering the cabinet 1, the handle 5 is used to pull out the filter plate 4, the spring 6 can drive the fixing bolt 7 to reset through elastic force, and the fixing bolt 7 is used to fix the filter plate 4.
[0033] Reference Figure 1 - Figure 3The cabinet body 1 is provided with an anti-corrosion component on its periphery, and the anti-corrosion component includes a zinc coating 8, which is coated on the periphery of the cabinet body 1, and an epoxy coating 9 is coated on the periphery of the zinc coating 8. The zinc coating 8 can provide additional anti-corrosion protection, and the epoxy coating 9 can form a solid protective layer on the surface of the distribution cabinet, effectively preventing the metal parts from being corroded.
[0034] Reference Figure 1 , Figure 2 and Figure 4 , the two fixing bolts 7 are fixedly connected with a connecting plate 10 on the opposite side, the front side of the filter plate 4 is fixedly connected with a limit plate 11, the outer periphery of the limit plate 11 is slidably connected to the inside of the cabinet 1, the side of the cabinet 1 away from the fan 2 is rotatably connected with a plurality of evenly distributed baffles 12, the front side of the cabinet 1 is abutted with a cabinet door 13, two hinges 14 are arranged on one side between the cabinet door 13 and the cabinet 1, a handle 2 15 is fixedly connected to the side of the front of the cabinet door 13 away from the hinge 14, a door lock 16 is arranged inside the front side of the cabinet door 13, a monitor 17 is fixedly connected to the top side of the cabinet 1, and an alarm 18 is fixedly connected to the top of the cabinet 1. The connecting plate 10 is used to connect the two fixing bolts 7, the limit plate 11 prevents the filter plate 4 from falling off from the inside of the cabinet 1, the baffle 12 prevents external dust from entering the inside of the cabinet 1, the cabinet door 13 is used to close the cabinet 1, the hinge 14 is used to drive the cabinet door 13 to rotate, the handle 15 is used to pull the cabinet door 13 to rotate, the door lock 16 is used to fix the cabinet door 13, the monitor 17 is used to monitor the internal environment and air pressure parameters, and the alarm 18 is used to trigger an alarm.
[0035] Working principle: Starting the fan 2 can make the external air flow evenly from the inside of the cabinet 1 through the vent 3 to ensure that the internal pressure will not be lower than the external environment, reducing the risk of explosion. Starting the fan 2 can make the air flow through the cabinet 1 and drive the baffle 12 to rotate. The baffle 12 can expose the vent 3 to the outside by rotating, thereby ensuring the air flow. When the fan 2 stops running, the baffle 12 will block the vent 3 due to the influence of gravity, thereby preventing external dust from entering the inside of the cabinet 1. By pulling the connecting plate 10, the fixing bolt 7 can be driven to move. The fixing bolt 7 can release the fixation of the filter plate 4 by moving. After releasing the fixation of the filter plate 4, The filter plate 4 can be pulled out by pulling the handle 5. After the filter plate 4 is pulled out, it can be cleaned to prevent clogging due to dust accumulation and thus affect its ventilation effect. After cleaning, the elastic force of the spring 6 can drive the fixing bolt 7 to reset, and the fixing bolt 7 can fix the filter plate 4 by resetting. By installing the filter plate 4, external dust can be prevented from entering the interior of the electric cabinet. By coating the outer periphery of the cabinet body 1 with a zinc coating 8, additional anti-corrosion protection can be provided. By coating the outer periphery of the zinc coating 8 with an epoxy coating 9, a solid protective layer can be formed on the surface of the distribution cabinet body 1, which can effectively prevent metal parts from being corroded, thereby extending its service life and improving reliability.
[0036] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A positive pressure ventilation explosion-proof power distribution cabinet, comprising a cabinet body (1), characterized in that: The cabinet (1) is provided with an anti-corrosion component on the periphery, a plurality of evenly distributed fans (2) are fixedly connected to one side of the interior of the cabinet (1), a plurality of evenly distributed ventilation openings (3) are opened inside the cabinet (1), a filter plate (4) is slidably connected to one side of the interior of the cabinet (1), a handle (5) is fixedly connected to the rear side of the filter plate (4), two springs (6) are fixedly connected to the rear side of the interior of the cabinet (1), one end of the spring (6) away from the cabinet (1) is fixedly connected to a fixing bolt (7), the front side of the fixing bolt (7) is slidably connected to the interior of the cabinet (1), and the end of the fixing bolt (7) away from the spring (6) is slidably connected to the interior of the filter plate (4).
2. A positive pressure ventilation explosion-proof distribution cabinet according to claim 1, characterized in that: The anti-corrosion component comprises a zinc coating (8), wherein the zinc coating (8) is coated on the outer periphery of the cabinet (1), and an epoxy coating (9) is coated on the outer periphery of the zinc coating (8).
3. The positive pressure ventilation explosion-proof power distribution cabinet according to claim 1, characterized in that: The two fixing bolts (7) are fixedly connected with a connecting plate (10) on one side facing each other.
4. The positive pressure ventilation explosion-proof power distribution cabinet according to claim 1, characterized in that: The front side of the filter plate (4) is fixedly connected to a limit plate (11), and the outer periphery of the limit plate (11) is slidably connected to the interior of the cabinet (1).
5. The positive pressure ventilation explosion-proof power distribution cabinet according to claim 1, characterized in that: A side of the cabinet (1) away from the fan (2) is rotatably connected to a plurality of evenly distributed baffles (12).
6. The positive pressure ventilation explosion-proof power distribution cabinet according to claim 1, characterized in that: The cabinet body (1) is butted against a cabinet door (13) at the front side, and two hinges (14) are arranged on one side between the cabinet door (13) and the cabinet body (1).
7. A positive pressure ventilation explosion-proof power distribution cabinet according to claim 6, characterized in that: A second handle (15) is fixedly connected to a side of the front of the cabinet door (13) away from the hinge (14), and a door lock (16) is arranged inside the front side of the cabinet door (13).
8. The positive pressure ventilation explosion-proof power distribution cabinet according to claim 1, characterized in that: A monitor (17) is fixedly connected to the top side of the cabinet (1), and an alarm (18) is fixedly connected to the top of the cabinet (1).