Switch cabinet for power plant
By designing a filter device including installation slot, filter mesh, fixed shaft, belt buckle, traction groove, traction spring and limiting block, the problem of inconvenient replacement of filter mesh in existing switch cabinets is solved, and the rapid replacement of filter mesh and the improvement of heat dissipation performance is achieved.
Patent Information
- Application Number
- CN202421712317.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-19
- Publication Date
- 2025-05-06
- Estimated Expiration
- 2034-07-19
AI Technical Summary
The filter mesh of the existing switch cabinet is inconvenient to replace, resulting in reduced filtration performance, reduced air circulation and reduced heat dissipation performance.
A filter device including a mounting groove, a filter mesh, a fixing shaft, a belt buckle, a traction groove, a traction spring and a limiting block is designed. The rapid replacement and fixation of the filter mesh is achieved through the cooperation of the belt buckle and a traction spring.
It realizes rapid replacement of the filter, prevents wind, sand and debris from being blocked, and improves the convenience of the equipment and heat dissipation performance.
Smart Images

Figure CN222839299U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of electric power equipment, in particular to a switch cabinet for a power plant. Background Art
[0002] The switch cabinet is an electrical equipment. The external line of the switch cabinet first enters the main control switch inside the cabinet, and then enters the branch control switch. Each branch is set according to its needs, such as instruments, automatic control, motor magnetic switches, various AC contactors, etc. Some also have high-voltage and low-voltage switch cabinets, with high-voltage busbars, such as power plants, etc. Some also have low-frequency load reduction to protect the main equipment. The main function of the switch cabinet is to open and close, control and protect electrical equipment in the process of power generation, transmission, distribution and energy conversion in the power system. The components in the switch cabinet mainly include circuit breakers, disconnectors, load switches, operating mechanisms, mutual inductors and various protection devices.
[0003] Existing equipment such as CN214429052U, a high-voltage switch cabinet, includes a cabinet, a drying box is fixedly installed at the lower end of the cabinet, a pull block is fixedly installed on one side of the drying box, air inlets are opened at the lower ends of both sides of the cabinet, and the two groups of air inlets are symmetrically arranged, a fixed plate is fixedly connected to the inside of the cabinet, and a second filter is fixedly installed inside the fixed plate, an ion fan is fixedly installed on the top of the cabinet, a fan rack is fixedly installed on the inner wall of the cabinet, a ventilation fan is fixedly installed inside the fan rack, an exhaust window is fixedly installed on the side wall of the cabinet, and the exhaust window and the ventilation fan are arranged correspondingly. When the utility model is in use, a drying box is installed at the lower end of the high-voltage switch cabinet, and a dehumidifying desiccant is placed inside the drying box to remove moisture inside the high-voltage switch cabinet, and a ventilation fan is also provided to accelerate ventilation, so that the dehumidification effect is good and it is very convenient to use.
[0004] In order to solve the problem that the filter is inconvenient to replace, the filter of the existing switch cabinet is generally fixed on the switch cabinet body with screws. However, after the fan in the switch cabinet is started, it drives the outside air into the cabinet, and at the same time carries dust and foreign matter in the air. After a long time, the filtering performance of the filter is continuously reduced, which also leads to a decrease in the flow rate of air entering the cabinet, and reduces the heat dissipation performance of the switch cabinet. Improvements are needed in this regard. Summary of the invention
[0005] The utility model aims to solve the disadvantage of the prior art that the filter screen is inconvenient to replace, and proposes a switch cabinet for a power plant.
[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a switch cabinet for a power plant, comprising a switch cabinet body, a switch cabinet base, a left door, a right door, a rain shield and a filter device, the switch cabinet base is fixedly connected to the lower surface of the switch cabinet body, the left door is rotatably connected to the surface of the switch cabinet body, the right door is rotatably connected to the surface of the switch cabinet body, the rain shield is fixedly connected to the upper surface of the switch cabinet body, the filter device is arranged on the surface of the switch cabinet body, the filter device comprises an installation groove, the installation groove is opened on the surface of the switch cabinet body, and the surface of the installation groove is slidably connected with a filter net.
[0007] Furthermore, a mounting hole is provided on the surface of the filter screen, a fixed shaft is threadedly connected to the surface, and a belt buckle is slidably connected to the surface of the fixed shaft.
[0008] Furthermore, the belt buckle is placed on the surface of the filter screen, a traction groove is provided on the surface of the switch cabinet body, and a traction spring is fixedly connected to the surface of the traction groove.
[0009] Furthermore, a limiting block is slidably connected to the surface of the traction groove, and one end of the traction spring away from the surface of the traction groove is fixedly connected to the limiting block, and the limiting block abuts against the filter screen.
[0010] Furthermore, a fixing device is provided on the surface of the right door, and the fixing device includes a rectangular pipe and a supporting pipe. The rectangular pipe is fixedly connected to the surface of the left door, and the supporting pipe is fixedly connected to the surface of the right door. A slider is slidably connected to the inner wall of the supporting pipe.
[0011] Furthermore, a slide groove is provided on the surface of the sliding block, a rack is fixedly connected to the surface of the slide groove, and the rack has two groups.
[0012] Furthermore, a gear is meshed on the surface of the rack, a connecting shaft is fixedly connected to the inner wall of the gear, and a handle is fixedly connected to the surface of the connecting shaft.
[0013] Compared with the prior art, the advantages and positive effects of the utility model are:
[0014] 1. In the utility model, by setting up the filtering device, it is convenient to make structural changes to the switch cabinet body, so that the staff can replace the filter more quickly. To this end, the belt buckle is pulled, the belt buckle is expanded, the fixed shaft constrains the belt buckle, and the sliding limit block squeezes the spring to produce deformation, and the limit block loses its restraint on the filter. By setting up the filtering device, it is convenient to make structural changes to the switch cabinet body, and the filter can be replaced more conveniently and quickly, preventing the filter from being blocked by wind, sand and debris, resulting in reduced heat dissipation performance, thereby effectively improving the convenience of the equipment.
[0015] 2. In the utility model, by setting a fixing device, it is convenient to make structural changes to the switch cabinet body, so that the staff can open the door for maintenance more conveniently. By rotating the handle, the handle drives the gear to rotate through the connecting shaft. The rotation of the gear causes the rack meshing with it to move. The rack moves and the slider connected to it also moves accordingly. By setting a fixing device, it is convenient to make structural changes to the switch cabinet body. The structure is simple and stable, which is convenient for the staff to use for maintenance, and effectively improves the usability of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 The utility model provides a three-dimensional structural schematic diagram of a switch cabinet for a power plant;
[0017] Figure 2 The utility model provides a structural schematic diagram of a filter device in a switch cabinet for a power plant;
[0018] Figure 3 The utility model proposes a switch cabinet for a power plant Figure 2 A schematic diagram of the structure at A;
[0019] Figure 4 The utility model provides a structural schematic diagram of a fixing device in a switch cabinet for a power plant;
[0020] Figure 5 The utility model proposes a switch cabinet for a power plant Figure 4 Schematic diagram of the structure at point B.
[0021] Legend:
[0022] 1. Switch cabinet body; 2. Switch cabinet base; 3. Left door; 4. Right door; 5. Rain shield; 6. Filter device; 601. Mounting slot; 602. Filter screen; 603. Mounting hole; 604. Fixed shaft; 605. Belt buckle; 606. Traction slot; 607. Traction spring; 608. Limiting block; 7. Fixing device; 701. Rectangular pipe; 702. Support pipe; 703. Slider; 704. Slide slot; 705. Rack; 706. Gear; 707. Connecting shaft; 708. Handle. DETAILED DESCRIPTION
[0023] See also Figure 1-5 The utility model provides a technical solution: a switch cabinet for a power plant, comprising a switch cabinet body 1, a switch cabinet base 2, a left door 3, a right door 4, a rain shield 5 and a filter device 6, the switch cabinet base 2 is fixedly connected to the lower surface of the switch cabinet body 1, the left door 3 is rotatably connected to the surface of the switch cabinet body 1, the right door 4 is rotatably connected to the surface of the switch cabinet body 1, the rain shield 5 is fixedly connected to the upper surface of the switch cabinet body 1, and the filter device 6 is arranged on the surface of the switch cabinet body 1.
[0024] The specific arrangement and function of the filtering device 6 and the fixing device 7 will be described in detail below.
[0025] In this embodiment: the filter device 6 comprises a mounting groove 601 , which is provided on the surface of the switch cabinet body 1 , and a filter screen 602 is slidably connected to the surface of the mounting groove 601 .
[0026] The effect achieved by the above components is: by setting the filter 602, it is convenient to filter dust and foreign matter.
[0027] Specifically, a mounting hole 603 is opened on the surface of the filter screen 602, a fixed shaft 604 is threadedly connected to the surface of the filter screen 602, and a belt buckle 605 is slidably connected to the surface of the fixed shaft 604.
[0028] The effect achieved by the above components is: by setting the fixed shaft 604, it is convenient to restrain the belt buckle 605.
[0029] Specifically, the belt buckle 605 is placed on the surface of the filter screen 602 , a traction groove 606 is provided on the surface of the switch cabinet body 1 , and a traction spring 607 is fixedly connected to the surface of the traction groove 606 .
[0030] The effect achieved by the above components is: by providing the belt buckle 605, it is convenient to pull out the filter 602.
[0031] Specifically, a limiting block 608 is slidably connected to the surface of the traction groove 606 , and one end of the traction spring 607 away from the surface of the traction groove 606 is fixedly connected to the limiting block 608 , and the limiting block 608 abuts against the filter screen 602 .
[0032] The effect achieved by the above components is: by setting the limiting block 608, the filter screen 602 is prevented from sliding out of the installation groove 601.
[0033] Specifically, a fixing device 7 is provided on the surface of the right door 4, and the fixing device 7 includes a rectangular pipe 701 and a supporting pipe 702. The rectangular pipe 701 is fixedly connected to the surface of the left door 3, and the supporting pipe 702 is fixedly connected to the surface of the right door 4. The inner wall of the supporting pipe 702 is slidably connected with a slider 703.
[0034] Specifically, a sliding groove 704 is provided on the surface of the sliding block 703 , and a rack 705 is fixedly connected to the surface of the sliding groove 704 , and there are two groups of racks 705 .
[0035] The effect achieved by the above components is: by providing the support pipe 702, the slider 703 is easily supported.
[0036] Specifically, a gear 706 is meshed on the surface of the rack 705 , a connecting shaft 707 is fixedly connected to the inner wall of the gear 706 , and a handle 708 is fixedly connected to the surface of the connecting shaft 707 .
[0037] The effect achieved by the above components is that by providing the gear 706 and the rack 705, it is easier to open the door.
[0038] Working principle: By setting the filter device 6, it is convenient to make structural changes to the switch cabinet body 1, so that the staff can replace the filter 602 more quickly. To this end, pull the belt buckle 605, the belt buckle 605 expands, the fixed shaft 604 restrains the belt buckle 605, slide the limiting block 608, the limiting block 608 squeezes the spring to produce deformation, and the limiting block 608 loses the restraint on the filter 602. By setting the filter device 6, it is convenient to make structural changes to the switch cabinet body 1, and it is convenient and quick to replace the filter 602, which prevents the filter 602 from being blocked by wind and sand, resulting in reduced heat dissipation performance. , which effectively improves the convenience of the equipment. By setting the fixing device 7, it is convenient to make structural changes to the switch cabinet body 1, so that the staff can open the door for maintenance more conveniently. To this end, the handle 708 is rotated, and the handle 708 drives the gear 706 to rotate through the connecting shaft 707. The rotation of the gear 706 causes the rack 705 meshing therewith to move. The rack 705 moves and the slider 703 connected thereto also moves accordingly. By setting the fixing device 7, it is convenient to make structural changes to the switch cabinet body 1. Its structure is simple and stable, which is convenient for the staff to use for maintenance, and thus effectively improves the usability of the equipment.
Claims
1. A switch cabinet for a power plant, comprising a switch cabinet body (1), a switch cabinet base (2), a left door (3), a right door (4), a rain shield (5) and a filter device (6), characterized in that: The switch cabinet base (2) is fixedly connected to the lower surface of the switch cabinet body (1), the left door (3) is rotatably connected to the surface of the switch cabinet body (1), the right door (4) is rotatably connected to the surface of the switch cabinet body (1), the rain shield (5) is fixedly connected to the upper surface of the switch cabinet body (1), and the filter device (6) is arranged on the surface of the switch cabinet body (1), and the filter device (6) comprises a mounting groove (601), the mounting groove (601) is opened on the surface of the switch cabinet body (1), and the surface of the mounting groove (601) is slidably connected to a filter net (602).
2. A switch cabinet for a power plant according to claim 1, characterized in that: A mounting hole (603) is provided on the surface of the filter screen (602), a fixed shaft (604) is threadedly connected to the surface, and a belt buckle (605) is slidably connected to the surface of the fixed shaft (604).
3. A switch cabinet for a power plant according to claim 2, characterized in that: The belt buckle (605) is placed on the surface of the filter screen (602), a traction groove (606) is provided on the surface of the switch cabinet body (1), and a traction spring (607) is fixedly connected to the surface of the traction groove (606).
4. A switch cabinet for a power plant according to claim 3, characterized in that: The surface of the traction groove (606) is slidably connected to a limiting block (608); one end of the traction spring (607) away from the surface of the traction groove (606) is fixedly connected to the limiting block (608); and the limiting block (608) abuts against the filter screen (602).
5. A switch cabinet for a power plant according to claim 4, characterized in that: The surface of the right door (4) is provided with a fixing device (7), the fixing device (7) comprising a rectangular pipe (701) and a supporting pipe (702), the rectangular pipe (701) being fixedly connected to the surface of the left door (3), the supporting pipe (702) being fixedly connected to the surface of the right door (4), and the inner wall of the supporting pipe (702) being slidably connected to a slider (703).
6. A switch cabinet for a power plant according to claim 5, characterized in that: A sliding groove (704) is provided on the surface of the sliding block (703), and a rack (705) is fixedly connected to the surface of the sliding groove (704), and there are two groups of racks (705).
7. A switch cabinet for a power plant according to claim 6, characterized in that: A gear (706) is meshed on the surface of the rack (705), a connecting shaft (707) is fixedly connected to the inner wall of the gear (706), and a handle (708) is fixedly connected to the surface of the connecting shaft (707).
Citation Information
Patent Citations
High-voltage switch cabinet
CN214429052U