Electric power cabinet with air pressure difference inside and outside
By creating an air pressure difference inside and outside the power cabinet and designing a convenient filter plate replacement assembly, the problems of contaminant entry and inconvenient filter plate replacement are solved, thereby improving the protection and maintenance efficiency of the power cabinet.
Patent Information
- Application Number
- CN202423066585.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-12
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2034-12-12
AI Technical Summary
Existing power cabinets are easily damaged by contaminants during operation, and the filter plates are inconvenient to replace.
Design an electrical cabinet with an internal and external air pressure difference. The internal high pressure is generated by an air pump, and the air pressure difference is used to prevent pollutants from entering. The filter plate can be easily replaced through the filter plate replacement component.
It effectively prevents pollutants from entering the power cabinet, while simplifying the filter plate replacement process and improving the equipment's protective effect and maintenance efficiency.
Smart Images

Figure CN223927920U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to power cabinet technical field, more specifically, the utility model relates to a power cabinet with air pressure difference inside and outside. BACKGROUND
[0002] The power cabinet, also called power supply cabinet or distribution cabinet, is an important electrical equipment for distributing and controlling electric energy in the power system.
[0003] During the operation of the power cabinet, pollutants often enter the interior of the power cabinet, causing damage to the internal parts of the power cabinet. In order to prevent pollution, a filter plate is usually arranged at the air inlet of the power cabinet. However, the replacement of the filter plate is troublesome. Based on the above problems, the utility model designs a power cabinet with air pressure difference inside and outside. UTILITY MODEL CONTENT
[0004] In order to overcome the shortcomings of the prior art, the utility model provides a power cabinet with air pressure difference inside and outside, which has the advantages of preventing pollution and facilitating replacement of the filter plate.
[0005] To achieve the above purpose, the utility model provides the following technical scheme: a power cabinet with air pressure difference inside and outside, comprising a power cabinet body, a connecting pipe one is fixedly connected to the right side of the power cabinet body, a gas conveying pump is arranged on the right side of the connecting pipe one, the gas conveying pump is fixedly installed on the power cabinet body through a support seat, a connecting pipe two is fixedly connected to the left side of the gas conveying pump through a flange, a connecting pipe three is fixedly connected to the right side of the gas conveying pump, the connecting pipe three is connected with a connecting pipe four through a connecting plate on the right side, a plurality of exhaust holes are arranged on the left side of the power cabinet body, and a plurality of cover plates are rotatably connected to the left side of the power cabinet body through a hinge seat and cover the exhaust holes.
[0006] As a preferred technical scheme of the utility model, a filter plate replacement assembly is arranged on the right side above the connecting pipe three, and a supporting assembly is arranged on the right side below the connecting pipe three.
[0007] As a preferred technical scheme of the utility model, the filter plate replacement assembly comprises a fixing frame fixedly installed on the connecting pipe three, a storage box is fixedly installed above the fixing frame, a discharging hole is formed in the bottom right side of the storage box, the discharging hole is communicated with the storage box, the gap between the connecting pipe three and the connecting pipe four is aligned with the discharging hole in the vertical direction, a right angle elbow is fixedly installed on the left side of the storage box, a horizontal column is inserted into the right angle elbow, the right end of the horizontal column penetrates through one side surface of the storage box and extends to the inside of the storage box, an extrusion disc is fixedly installed on one end of the horizontal column in the inside of the storage box, a plurality of circular filter plates are inserted into the inside of the storage box and located to the right of the extrusion disc, and a plurality of counterweight steel balls are arranged in the inside of the right angle elbow and located to the left of the horizontal column.
[0008] As a preferred technical scheme of the utility model, a side hole is formed in the right side of the storage box.
[0009] As a preferred technical scheme of the utility model, the supporting assembly comprises a fixing plate fixedly installed at the bottom of the connecting pipe three, a square guide column penetrates through both ends of the fixing plate, a sliding plate is fixedly installed on one end of the square guide column in the inside of the fixing plate, a return spring is sleeved with the outside of the square guide column and located between the fixing plate and the sliding plate, and an arc-shaped supporting plate is fixedly installed above the sliding plate.
[0010] As a preferred technical scheme of the utility model, the arc-shaped supporting plate covers the gap between the connecting pipe three and the connecting pipe four.
[0011] Compared with the prior art, the utility model has the advantages of the following:
[0012] 1. The utility model discloses a power cabinet, which comprises a cabinet body, a gas inlet pipe, a gas outlet pipe, a gas pump, a cover plate and a plurality of circular filter plates.
[0013] 2. When the circular filter plate between the connecting pipe three and the connecting pipe four needs to be replaced, the rightmost circular filter plate in the inside of the storage box is pressed downward, the circular filter plate falls from the discharging hole and extrudes the circular filter plate between the connecting pipe three and the connecting pipe four, and the two arc-shaped supporting plates are away from each other, so that the circular filter plate between the connecting pipe three and the connecting pipe four is replaced. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a structural schematic view of the utility model;
[0015] Figure 2 For the utility model Figure 1 The enlarged view of A part in the middle;
[0016] Figure 3 For the structure schematic view of the cover plate of the utility model;
[0017] Figure 4 For the structure schematic view of the filter plate replacement assembly of the utility model;
[0018] Figure 5 For the sectional view of the filter plate replacement assembly of the utility model;
[0019] Figure 6 For the structure schematic view of the support assembly of the utility model.
[0020] In the figure: 1, the power cabinet body; 101, connecting pipe one; 102, gas delivery pump; 103, support seat; 104, connecting pipe two; 105, connecting pipe three; 106, connecting plate; 107, connecting pipe four; 108, exhaust hole; 109, cover plate; 2, filter plate replacement assembly; 201, storage box; 202, fixed frame; 203, side hole; 204, blanking hole; 205, right-angle elbow; 206, horizontal column; 207, extrusion disc; 208, circular filter plate; 209, counterweight steel ball; 3, support assembly; 301, fixed plate; 302, square guide column; 303, sliding plate; 304, reset spring; 305, arc-shaped supporting plate. Specific implementation
[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0022] For example, Figures 1 to 6The utility model provides a kind of electric power cabinet with air pressure difference inside and outside, including electric power cabinet cabinet 1, the right side of electric power cabinet cabinet 1 is fixedly connected with a connecting pipe one 101, the right side of connecting pipe one 101 is provided with a gas delivery pump 102, the gas delivery pump 102 is fixedly installed on electric power cabinet cabinet 1 by support seat 103, the left side of gas delivery pump 102 is fixedly connected with the connecting pipe two 104 that connecting pipe one 101 passes through flange connection, the right side of gas delivery pump 102 is fixedly connected with connecting pipe three 105, the right side of connecting pipe three 105 is connected with connecting pipe four 107 by connecting plate 106, the left side of electric power cabinet cabinet 1 is provided with a plurality of exhaust holes 108, the left side of electric power cabinet cabinet 1 is rotatably connected with a plurality of cover plates 109 by hinged base and covers exhaust hole 108 on,
[0023] The upper right side of connecting pipe three 105 is provided with a filter plate replacement assembly 2, and the lower right side of connecting pipe three 105 is provided with a supporting assembly 3.
[0024] The filter plate replacement assembly 2 includes a fixed frame 202 fixedly installed on connecting pipe three 105, a storage box 201 fixedly installed above the fixed frame 202, a side hole 203 opened on the right side of the storage box 201, a discharging hole 204 opened on the bottom right side of the storage box 201, the discharging hole 204 being in communication with the storage box 201, the gap between connecting pipe three 105 and connecting pipe four 107 being aligned with the discharging hole 204 in the vertical direction, a right angle elbow 205 fixedly installed on the left side of the storage box 201, a horizontal column 206 inserted into the right angle elbow 205, the right end of the horizontal column 206 extending into the interior of the storage box 201 through one side of the storage box 201, an extrusion disc 207 fixedly installed on one end of the horizontal column 206 inside the storage box 201, a plurality of circular filter plates 208 inserted into the right side of the extrusion disc 207 inside the storage box 201, and a plurality of counterweight steel balls 209 arranged in the interior of the right angle elbow 205 and on the left side of the horizontal column 206.
[0025] The supporting assembly 3 includes a fixed plate 301 fixedly installed on the bottom of connecting pipe three 105, a square guide column 302 penetrating through both ends of the fixed plate 301, a sliding plate 303 fixedly installed on one end of the square guide column 302 inside the fixed plate 301, a return spring 304 sleeved between the outside of the square guide column 302 and the fixed plate 301 and the sliding plate 303, an arc-shaped supporting plate 305 fixedly installed above the sliding plate 303, and the arc-shaped supporting plate 305 covering the gap between connecting pipe three 105 and connecting pipe four 107 at the bottom.
[0026] The working principle and use process of the utility model are as follows:
[0027] When the power cabinet with air pressure difference between inside and outside needs to be used, firstly, the staff starts the gas conveying pump 102, the gas conveying pump 102 pressurizes the inside of the power cabinet cabinet body 1, at this time, the pressure of the inside of the power cabinet cabinet body 1 is relatively large, and the pressure of the outside of the power cabinet cabinet body 1 is relatively small, so that the pollutants outside are prevented from entering the inside of the power cabinet cabinet body 1, meanwhile, since the pressure of the inside of the power cabinet cabinet body 1 is relatively large, the cover plate 109 will be opened, the air in the inside of the power cabinet cabinet body 1 will be discharged from the air outlet hole 108, when the circular filter plate 208 between the connecting pipe three 105 and the connecting pipe four 107 needs to be replaced, at this time, the circular filter plate 208 at the rightmost side in the inside of the storage box 201 is pressed downward, the circular filter plate 208 will fall from the discharging hole 204 so as to extrude the circular filter plate 208 between the connecting pipe three 105 and the connecting pipe four 107, meanwhile, the two arc-shaped supporting plates 305 will move away from each other, so that the replacement of the circular filter plate 208 between the connecting pipe three 105 and the connecting pipe four 107 is realized.
[0028] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0029] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the following claims and their equivalents.
Claims
1. A power cabinet with an internal and external air pressure difference, comprising a power cabinet body (1), characterized in that: A connecting pipe 1 (101) is fixedly connected to the right side of the power cabinet (1). An air pump (102) is provided on the right side of the connecting pipe 1 (101). The air pump (102) is fixedly installed on the power cabinet (1) via a support base (103). A connecting pipe 2 (104) is fixedly connected to the left side of the air pump (102) via a flange connected to the connecting pipe 1 (101). A connecting pipe 3 (105) is fixedly connected to the right side of the air pump (102). A connecting pipe 4 (107) is connected to the right side of the connecting pipe 3 (105) via a connecting plate (106). A number of exhaust holes (108) are provided on the left side of the power cabinet (1). A number of cover plates (109) covering the exhaust holes (108) are rotatably connected to the left side of the power cabinet (1) via a hinge.
2. The power cabinet with internal and external air pressure difference according to claim 1, characterized in that: A filter plate replacement assembly (2) is provided on the upper right side of the connecting pipe three (105), and a support assembly (3) is provided on the lower right side of the connecting pipe three (105).
3. A power cabinet with an internal and external air pressure difference according to claim 2, characterized in that: The filter plate replacement assembly (2) includes a fixing bracket (202) fixedly installed on the connecting pipe three (105). A storage box (201) is fixedly installed above the fixing bracket (202). A discharge hole (204) is opened on the bottom right side of the storage box (201). The discharge hole (204) communicates with the storage box (201). The gap between the connecting pipe three (105) and the connecting pipe four (107) is aligned with the discharge hole (204) in the vertical direction. A right-angle bend (205) is fixedly installed on the left side of the storage box (201). A horizontal column (206) is inserted inside the bent tube (205). The right end of the horizontal column (206) passes through one side of the storage box (201) and extends into the interior of the storage box (201). A pressing plate (207) is fixedly installed at one end of the horizontal column (206) inside the storage box (201). Several circular filter plates (208) are inserted inside the storage box (201) and to the right of the pressing plate (207). Several counterweight steel balls (209) are arranged inside the right-angle bent tube (205) and to the left of the horizontal column (206).
4. A power cabinet with an internal and external air pressure difference according to claim 3, characterized in that: The storage box (201) has a side hole (203) on its right side.
5. A power cabinet with an internal and external air pressure difference according to claim 2, characterized in that: The support assembly (3) includes a fixed plate (301) fixedly installed at the bottom of the connecting pipe (105). A square guide post (302) passes through both ends of the fixed plate (301). A sliding plate (303) is fixedly installed at one end of the square guide post (302) inside the fixed plate (301). A return spring (304) is sleeved on the outside of the square guide post (302) between the fixed plate (301) and the sliding plate (303). An arc-shaped support plate (305) is fixedly installed above the sliding plate (303).
6. A power cabinet with an internal and external air pressure difference according to claim 5, characterized in that: The arc-shaped support plate (305) covers the bottom of the gap between connecting pipe three (105) and connecting pipe four (107).