Multi-combination low-voltage switchgear
By designing a combined structure of sliding grooves and switch boxes in low-voltage switching equipment, internal components can be repaired without opening the cabinet door; at the same time, the design of automatic control mechanism and filter plate is adopted to solve the problem of equipment maintenance difficulty and heat dissipation efficiency, and improve the maintenance convenience and heat dissipation efficiency of the equipment.
Patent Information
- Application Number
- CN202421224400.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-31
- Publication Date
- 2025-02-28
- Estimated Expiration
- 2034-05-31
AI Technical Summary
The existing low-voltage switchgear needs to be turned on the internal structure of the transformer during maintenance, which increases the difficulty of repair and safety risks. At the same time, the filter of the cooling fan is prone to accumulation of dust, affecting the heat dissipation efficiency.
A multi-combination low-voltage switching device is designed, which allows internal switching elements to be inspected without opening the cabinet door by setting up sliding slots and switch boxes; at the same time, the design of an automatic control mechanism and filter plate is adopted to achieve convenient start-up of the cooling fan and filter plates.
It improves the convenience and safety of maintenance, reduces maintenance time, enhances heat dissipation efficiency, and extends the service life of the equipment.
Smart Images

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Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of multi-combination low-voltage switch equipment, in particular to a multi-combination low-voltage switch equipment. Background Art
[0002] Low-voltage switchgear is a product listed in the 3C certification compulsory certification product "Catalog". It is suitable for power plants, petroleum, chemical, metallurgy, textile, high-rise buildings and other industries for power transmission, distribution and power conversion.
[0003] A combined low-voltage switchgear disclosed in the Chinese utility model patent application disclosure CN210669085U has the advantages of improving heat dissipation inside the cabinet and improving sealing, but the combined low-voltage switchgear still has disadvantages: First, when maintenance personnel perform maintenance on the combined low-voltage switchgear, they must open the internal structure of the transformer to retrieve the switch, which may increase the difficulty of maintenance and may even increase the probability of dangerous accidents; Second, after the combined low-voltage switchgear is used for a long time, a large amount of dust and debris may accumulate on the filter outside the cooling fan. If it is not cleaned and replaced in time, it may affect the heat dissipation efficiency of the device, thereby affecting the use of internal components. Utility Model Content
[0004] 1. Technical issues to be resolved
[0005] In view of the deficiencies in the prior art, the utility model provides a multi-combination low-voltage switch device, which solves the problems raised in the above-mentioned background technology.
[0006] (II) Technical solution
[0007] To achieve the above purpose, the utility model is implemented through the following technical solutions: a multi-combination low-voltage switchgear, including a cabinet, a rainproof roof, a left cabinet door and a right cabinet door, the front faces of the left cabinet door and the right cabinet door are fixedly connected with door handles, the front faces of the left cabinet door and the right cabinet door are provided with sliding grooves, a support plate is fixedly installed inside the cabinet, a slide rail is fixedly installed on the top of the support plate, a first switch box and a second switch box are slidably connected to the top of the slide rail, a handle is fixedly installed on the front faces of the first switch box and the second switch box, and a fixed support plate is installed inside the cabinet. A mounting plate is provided, an input terminal and an output terminal are fixedly installed on the top of the mounting plate, a low-voltage switch element is arranged inside the cabinet, a connecting column is fixedly connected to the bottom of the mounting plate, a mounting groove is provided on the inner side wall of the cabinet, a cooling fan is fixedly installed inside the mounting groove, an automatic control mechanism is provided on the cabinet, a mounting shell is fixedly connected to the side of the cabinet, a filter plate is arranged inside the mounting shell, a handle is fixedly connected to the top of the filter plate, a card block is fixedly connected to the side of the filter plate, and a card slot is provided on the inner side wall of the mounting shell.
[0008] Optionally, the rainproof roof is fixedly installed on the top of the cabinet body, the rainproof roof is in the shape of a step, and the left cabinet door and the right cabinet door are both provided with damping hinges, and the left cabinet door and the right cabinet door are hinged to each other on the front side of the cabinet body through the damping hinges.
[0009] Optionally, the first switch box and the second switch box are symmetrically arranged on the left and right, the number of the first switch box and the second switch box corresponds to the number of low-voltage switch assemblies, the mortgage switch assembly is located inside the first switch box and the second switch box, and the first switch box and the second switch box are located inside the sliding groove.
[0010] Optionally, a connecting wire is provided on the low-voltage switch assembly, the connecting column is hollow, and the connecting wire is respectively connected to the input end and the output end through the connecting column.
[0011] Optionally, the automatic control mechanism includes a temperature sensor, a controller and a signal receiving end, the temperature sensor is fixedly mounted on the inner wall of the cabinet, the controller is fixedly mounted on the side outside the cabinet, the signal receiving end is fixedly mounted on the controller, the temperature sensor is connected to the signal receiving end by a wireless signal, and the controller is electrically connected to the cooling fan.
[0012] Optionally, the mounting shell is sleeved on the outside of the cooling fan, the clamping block is clamped on the inside of the clamping slot, the top of the clamping slot is not capped, and the filter plate can be slid out of the clamping slot through the clamping block.
[0013] The utility model provides a multi-combination low-voltage switchgear, which has the following beneficial effects:
[0014] 1. The multi-combination low-voltage switchgear, through the setting of the controller, enables the multi-combination low-voltage switchgear to have the effect of facilitating timely opening of the cooling fan for internal heat dissipation. Through the coordinated setting of the filter plate and the clamping column, the filter plate can be easily assembled and disassembled during use, thereby facilitating replacement and cleaning, and achieving the purpose of improving the use efficiency.
[0015] 2. The multi-combination low-voltage switchgear, through the setting of the connecting column, makes it easy to sort out the internal lines. Through the coordinated setting of the switch box and the sliding groove, the internal switch elements can be inspected and repaired without opening the cabinet door during use, thereby saving time and achieving the purpose of improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;
[0017] Figure 2 This is a schematic diagram of the main structure of the utility model;
[0018] Figure 3 This is a side view of the structure of the utility model;
[0019] Figure 4 This is a schematic diagram of the main cross-sectional structure of the utility model;
[0020] Figure 5 This is a schematic diagram of the main structure of the dustproof net of the utility model;
[0021] Figure 6 It is a schematic diagram of the cross-sectional structure of the dustproof net of the utility model when viewed from above.
[0022] In the figure: 1. cabinet body; 2. rainproof roof; 3. left cabinet door; 4. right cabinet door; 5. damping hinge; 6. door handle; 7. first switch box; 8. second switch box; 9. handle; 10. sliding slot; 11. mounting plate; 12. input terminal; 13. output terminal; 14. low-voltage switch assembly; 15. connecting wire; 16. connecting column; 17. mounting slot; 18. cooling fan; 19. temperature sensor; 20. controller; 21. signal receiving terminal; 22. mounting shell; 23. filter plate; 24. handle; 25. block; 26. slot; 27. support plate; 28. slide rail. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0024] Embodiment 1:
[0025] See also Figures 1 to 6 The utility model provides a technical solution: a multi-combination low-voltage switchgear, including a cabinet 1, a rainproof roof 2, a left cabinet door 3 and a right cabinet door 4. The rainproof roof 2 is fixedly installed on the top of the cabinet 1. The rainproof roof 2 is in the shape of a ladder. The left cabinet door 3 and the right cabinet door 4 are both provided with damping hinges 5. The left cabinet door 3 and the right cabinet door 4 are hinged on the front of the cabinet 1 facing each other through the damping hinges 5. The setting of the rainproof roof 2 can guide rainwater on rainy days, and the setting of the damping hinges 5 can avoid To prevent current leakage to the left cabinet door 3 and the right cabinet door 4 from accidentally injuring staff, the left cabinet door 3 and the right cabinet door 4 are fixedly connected with door handles 6 on the front, and sliding grooves 10 are opened on the front of the left cabinet door 3 and the right cabinet door 4. A support plate 27 is fixedly installed inside the cabinet body 1, and a slide rail 28 is fixedly installed on the top of the support plate 27. The top of the slide rail 28 is slidably connected with the first switch box 7 and the second switch box 8. The first switch box 7 and the second switch box 8 are symmetrically arranged on the left and right. The first switch box 7 The number of the second switch box 8 corresponds to the number of the low-voltage switch assembly 14. The low-voltage switch assembly 14 is located inside the first switch box 7 and the second switch box 8. The first switch box 7 and the second switch box 8 are located inside the sliding groove 10. The first switch box 7 and the second switch box 8 can make the internal low-voltage switch assembly 14 separately inspected and replaced, saving processing time. The handle 9 is fixedly installed on the front of the first switch box 7 and the second switch box 8. The cabinet 1 has a mounting plate 11 fixedly installed inside. The top of the mounting plate 11 has an input terminal 12 and an output terminal 13 fixedly installed. The cabinet 1 is provided with a low-voltage switch assembly 14. The low-voltage switch assembly 14 is provided with a connecting wire 15. The connecting column 16 is hollow. The connecting wire 15 is connected to the input terminal 12 and the output terminal 13 respectively through the connecting column 16. The setting of the connecting column 16 can make the line of the internal connecting wire 15 neater and clearer. The bottom of the mounting plate 11 is fixedly connected with the connecting column 16.
[0026] When using the multi-combination low-voltage switch device, first place the cabinet 1 at the work site, then open the left cabinet door 3 and the right cabinet door 4 to install the low-voltage switch assembly 14 inside the cabinet 1, then connect the connecting wire 15 to the input terminal 12 and the output terminal 13 through the connecting column 16, and then close the left cabinet door 3 and the right cabinet door 4 to start using it. When the internal low-voltage switch assembly 14 is damaged and needs to be repaired, the first switch box 7 or the second switch box 8 can be pulled out from the slide rail 28 by the handle 9 for repair, which effectively avoids the need for overall repair of the internal low-voltage switch assembly 14, saves time and improves efficiency. It is very convenient to use and easy to operate.
[0027] Embodiment 2:
[0028] See also Figures 1 to 6The utility model provides a technical solution: a multi-combination low-voltage switchgear, a mounting groove 17 is provided on the inner wall of the cabinet 1, a cooling fan 18 is fixedly installed inside the mounting groove 17, an automatic control mechanism is provided on the cabinet 1, the automatic control mechanism includes a temperature sensor 19, a controller 20 and a signal receiving end 21, the temperature sensor 19 is fixedly installed on the inner wall of the cabinet 1, the controller 20 is fixedly installed on the side of the outside of the cabinet 1, the signal receiving end 21 is fixedly installed on the controller 20, the temperature sensor 19 is connected to the signal receiving end 21 by wireless signal, the controller 20 is electrically connected to the cooling fan 18, and the setting of the automatic control mechanism can be realized When monitoring and starting the cooling fan 18 for heat dissipation, a mounting shell 22 is fixedly connected to the side of the cabinet 1, a filter plate 23 is arranged inside the mounting shell 22, a handle 24 is fixedly connected to the top of the filter plate 23, a clamping block 25 is fixedly connected to the side of the filter plate 23, a clamping slot 26 is opened on the inner side wall of the mounting shell 22, the mounting shell 22 is sleeved on the outside of the cooling fan 18, the clamping block 25 is clamped in the inside of the clamping slot 26, the top of the clamping slot 26 is not capped, the filter plate 23 can be slid out of the inside of the clamping slot 26 through the clamping block 25, and the filter plate 23 cooperates with the arrangement of the clamping block 25 and the clamping slot 26 to make the filter plate 23 easy to disassemble and assemble, and convenient for subsequent replacement and cleaning.
[0029] When using the multi-combination low-voltage switch device, when the temperature inside the cabinet 1 is too high, the temperature sensor 19 transmits a signal to the signal receiving end 21 on the controller 20. At this time, the controller 20 can control the start of the cooling fan 18 to dissipate heat inside the cabinet 1. After long-term use, dust will definitely accumulate on the external filter plate 23, which is not convenient for heat dissipation. At this time, the handle 24 can be pulled upwards to pull the filter plate 23 out of the slot 26 through the block 25, so as to clean the surface of the filter plate 23 or replace the filter plate 23. It is very convenient to use and has high practicality.
[0030] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A multi-combination low-voltage switchgear, comprising a cabinet (1), a rainproof roof (2), a left cabinet door (3) and a right cabinet door (4), characterized in that: The left cabinet door (3) and the right cabinet door (4) are both fixedly connected with door handles (6) on their front faces; sliding grooves (10) are provided on the front faces of the left cabinet door (3) and the right cabinet door (4); a support plate (27) is fixedly installed inside the cabinet body (1); a slide rail (28) is fixedly installed on the top of the support plate (27); a first switch box (7) and a second switch box (8) are slidably connected to the top of the slide rail (28); a handle (9) is fixedly installed on the front faces of the first switch box (7) and the second switch box (8); a mounting plate (11) is fixedly installed inside the cabinet body (1); an input terminal (12) and an output terminal (13) are fixedly installed on the top of the mounting plate (11); A low-voltage switch assembly (14) is arranged inside the cabinet (1), a connecting column (16) is fixedly connected to the bottom of the mounting plate (11), a mounting groove (17) is provided on the inner wall of the cabinet (1), a cooling fan (18) is fixedly installed inside the mounting groove (17), an automatic control mechanism is arranged on the cabinet (1), a mounting shell (22) is fixedly connected to the side of the cabinet (1), a filter plate (23) is arranged inside the mounting shell (22), a handle (24) is fixedly connected to the top of the filter plate (23), a clamping block (25) is fixedly connected to the side of the filter plate (23), and a clamping groove (26) is provided on the inner wall of the mounting shell (22).
2. A multi-combination low-voltage switchgear according to claim 1, characterized in that: The rainproof roof (2) is fixedly mounted on the top of the cabinet body (1); the rainproof roof (2) is in the shape of a step platform; the left cabinet door (3) and the right cabinet door (4) are both provided with damping hinges (5); the left cabinet door (3) and the right cabinet door (4) are hingedly connected to the front of the cabinet body (1) in opposite directions via the damping hinges (5).
3. The multi-combination low-voltage switchgear according to claim 1, characterized in that: The first switch box (7) and the second switch box (8) are arranged symmetrically on the left and right. The number of the first switch box (7) and the second switch box (8) corresponds to the number of the low-voltage switch assemblies (14). The low-voltage switch assemblies (14) are located inside the first switch box (7) and the second switch box (8). The first switch box (7) and the second switch box (8) are located inside the sliding groove (10).
4. The multi-combination low-voltage switchgear according to claim 1, characterized in that: The low-voltage switch assembly (14) is provided with a connecting wire (15), the connecting column (16) is hollow, and the connecting wire (15) is respectively connected to the input end (12) and the output end (13) through the connecting column (16).
5. The multi-combination low-voltage switchgear according to claim 1, characterized in that: The automatic control mechanism comprises a temperature sensor (19), a controller (20) and a signal receiving end (21); the temperature sensor (19) is fixedly mounted on the inner wall of the cabinet (1); the controller (20) is fixedly mounted on the outer side of the cabinet (1); the signal receiving end (21) is fixedly mounted on the controller (20); the temperature sensor (19) and the signal receiving end (21) are connected by wireless signals; and the controller (20) is electrically connected to a cooling fan (18).
6. The multi-combination low-voltage switchgear according to claim 1, characterized in that: The mounting shell (22) is sleeved on the outside of the cooling fan (18), the clamping block (25) is clamped inside the clamping slot (26), the top of the clamping slot (26) is not capped, and the filter plate (23) can be slid and pulled out inside the clamping slot (26) through the clamping block (25).
Citation Information
Patent Citations
Combined low-voltage switchgear
CN210669085U