Armored removable alternating-current closed switch cabinet
By introducing a servo motor-driven rack and pinion mechanism and a liquid carbon dioxide fire suppression system into the armored withdrawable AC switchgear, the problems of insufficient intelligence and safety are solved, realizing automated operation and fire prevention, and improving ease of use and safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- LIANYUNGANG SUMING ELECTRICAL APPLIANCE MFG CO LTD
- Filing Date
- 2025-05-29
- Publication Date
- 2026-05-12
AI Technical Summary
Existing armored withdrawable AC switchgear lacks automation functions, has a low level of intelligence, and poses safety hazards under abnormal conditions such as high temperature or fire, requiring manual operation and posing risks of equipment damage and fire.
The cabinet door is automatically opened and closed using a gear and rack mechanism driven by a servo motor. Combined with a liquid carbon dioxide fire suppression system and real-time monitoring components, including cameras and temperature sensors, it enables automatic fire extinguishing and status monitoring, enhancing intelligence and safety.
It has achieved automated operation of the switchgear, reduced manual intervention, improved ease of use and safety, and can extinguish fires in a timely manner to ensure the safety of equipment and personnel.
Smart Images

Figure CN224233202U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of switchgear technology, and in particular to an armored removable AC enclosed switchgear. Background Technology
[0002] With the continuous development of power systems, armored withdrawable AC switchgear, as a common type of power equipment, plays a crucial role in power distribution systems. It is not only used for power transmission and control but also responsible for protecting the safe operation of electrical equipment. Therefore, improving the safety and intelligence level of switchgear has become an important direction for technological innovation.
[0003] A search revealed a removable armored AC switchgear with publication number CN218386393U, comprising a cabinet. The cabinet's interior is divided from bottom to top into a cable compartment, a circuit breaker compartment, and an instrument compartment by two partitions. A busbar compartment is located at the bottom of the rear side of the cabinet. A dehumidifier is fixedly mounted on the rear side of the cabinet. The dehumidifier's air inlet is connected to the busbar compartment, and a cooling device is connected to the dehumidifier's air outlet. The cooling device's air outlet is connected to the top of the instrument compartment. This invention integrates a dehumidifier and a cooling device at the dehumidifier's exhaust port. While dehumidifying, the dehumidifier also delivers cool air into the switchgear to cool the internal electrical components. Furthermore, the dehumidifier circulates and dehumidifies the air inside the switchgear without external air intrusion, resulting in higher dehumidification efficiency and better dehumidification and cooling effects.
[0004] Although the above-mentioned solution provides an automatic dehumidification protection switchgear, this design mainly relies on manual operation for installation, debugging, and maintenance, lacking automation functions. For example, it cannot automatically open and close the cabinet door, resulting in low intelligence. In usage scenarios that require frequent opening and inspection, the device needs to be manually turned on frequently, which is quite troublesome. At the same time, traditional armored withdrawable switchgear has certain safety hazards, especially in abnormal situations such as high temperature and fire. If measures are not taken in time, it may lead to equipment damage or even fire accidents. Therefore, this utility model aims to provide an armored withdrawable AC enclosed switchgear to overcome the above shortcomings and provide users with a more intelligent, efficient, and safe solution. Utility Model Content
[0005] The technical problem to be solved by this utility model is to overcome the defects of the existing technology. This utility model proposes an armored removable AC enclosed switch cabinet.
[0006] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows: an armored removable AC enclosed switchgear, including a switchgear body, a limiting frame fixedly connected to the top of the switchgear body, a movable groove 1 and a movable groove 2 opened on the front of the limiting frame, a push plate 1 and a push plate 2 slidably connected inside the movable groove 1 and the movable groove 2 respectively, a closing door fixedly connected to the bottom of the push plate 1 and one side of the push plate 2, a driving component capable of driving the two closing doors to move relative to or away from each other is provided on the back of the limiting frame, a sliding frame fixedly connected to the inner bottom surface of the switchgear body, a sliding groove opened on the top of the sliding frame, an assisting component provided on the back of the two closing doors, an internal component body fixedly installed on the inner bottom surface of the switchgear body, a fire-fighting component provided between the two sides of the inner wall of the switchgear body, a U-shaped frame fixedly connected between the two sides of the switchgear body and below the fire-fighting component, a moving groove opened on both sides of the U-shaped frame, a monitoring component provided inside the moving groove.
[0007] The switch cabinet body is the main frame of the entire equipment, used to house all other components, providing a location for installing and fixing other parts, and ensuring the overall structural stability of the switch cabinet. The limiting frame is located at the top of the switch cabinet body, and its function is to limit the movement range of push plate one and push plate two, providing support and guidance for the opening and closing of the closing door, making the opening and closing process of the door more stable. It also has space inside to allow the rack to slide inside. Through the setting of movable slot one and movable slot two, it can be ensured that push plate one and push plate two can move smoothly on a specific track. The sliding action of push plate one and push plate two is controlled by the drive component, so that the two closing doors can move relative to each other or apart, thereby opening or closing the switch cabinet. The internal component body contains the electrical components inside the switch cabinet, such as protective switches, wiring terminals, etc., to support the normal operation of the switch cabinet. They are installed on the inner bottom surface of the switch cabinet to ensure the normal electrical function of the switch cabinet.
[0008] As a further description of the above technical solution:
[0009] The drive assembly includes a servo motor fixedly mounted on the back of the limiting frame. The output end of the servo motor rotates through the interior of the limiting frame and is fixedly connected to a gear.
[0010] The core function of the drive component is to realize the automatic opening and closing control of the closed door. The servo motor drives the gear to rotate through the output end, the gear drives the rack to move, and the rack is connected to push plate one and push plate two, thereby pushing the closed door to open and close. The servo motor provides precise control and realizes intelligent operation.
[0011] As a further description of the above technical solution:
[0012] The outer wall of the gear is meshed with two racks.
[0013] One side of each of the two racks is fixedly connected to push plate one and push plate two, respectively, and the outer side of the rack slides along the inner wall of the limiting frame.
[0014] As a further description of the above technical solution:
[0015] The assistive component includes a movable block fixedly installed on the back of the closing door, and a movable ball is movably embedded in the bottom of the movable block.
[0016] The outer wall of the movable ball rolls along the inside of the sliding groove. The assist component reduces friction when closing the door by moving the block and the movable ball, making the door opening and closing easier and smoother. The movable ball rolls along the sliding groove, which helps the door to open and close smoothly.
[0017] As a further description of the above technical solution:
[0018] The fire-fighting component includes a pressure tank fixedly installed between the two sides of the inner wall of the switch cabinet body, and an air inlet flange is fixedly connected to the top of the pressure tank.
[0019] The fire-fighting component is used to automatically extinguish fires in the event of a fire. The pressure tank stores liquid carbon dioxide. When a fire occurs, the flame detector or temperature sensor triggers the system, the solenoid valve opens, and the nozzle releases the extinguishing agent to control and extinguish the fire.
[0020] As a further description of the above technical solution:
[0021] Two sets of nozzles are fixedly connected to the outer wall of the pressure tank, and solenoid valves are fixedly installed on the outer wall of the nozzles.
[0022] Each set of nozzles has two parts, one set facing downwards and the other facing outwards.
[0023] As a further description of the above technical solution:
[0024] The monitoring component includes a mounting plate that is slidably connected inside the moving slot, and a camera, a flame detector, and a temperature sensor are fixedly mounted on the bottom of the mounting plate.
[0025] The monitoring components are used to monitor the status inside the switchgear in real time. An internal camera is installed to capture images of the interior, a flame detector is used to detect fires, and a temperature sensor is used to detect the temperature inside the cabinet. These components provide data support for safety management and ensure system security.
[0026] As a further description of the above technical solution:
[0027] One side of the closing door slides along the outer wall of the switch cabinet body.
[0028] 1. Compared with the prior art, the beneficial effects of this utility model include: by using the combination of structures such as the limiting frame, closing door, driving component and assist component, the cabinet door can be opened and closed smoothly and steadily through the cooperation of servo motor, gear and toothed belt, avoiding the errors or instability that may occur in traditional manual operation. At the same time, the setting of the assist component allows the movable ball in the moving block to roll smoothly along the sliding groove, ensuring that the opening and closing process of the cabinet door is stable and unobstructed, eliminating the need for manual operation, reducing operation steps, improving ease of use and enhancing the intelligent experience.
[0029] 2. Compared with the prior art, the beneficial effects of this utility model include: through the combined use of structures such as the U-shaped frame, the movable groove, the fire-fighting components, and the detection components, the temperature and fire situation inside the cabinet can be monitored in real time. Once an abnormality is detected, the system automatically transmits a signal and activates the liquid carbon dioxide fire extinguishing system, releasing the extinguishing agent through the nozzles to control the fire risk in a timely manner and ensure the safety of equipment and personnel. At the same time, when operating and maintaining the equipment, the staff can manually push the mounting plate to adjust the position of the camera to ensure a clearer and more comprehensive monitoring of the internal status of the equipment. Attached Figure Description
[0030] The disclosure of this utility model is illustrated with reference to the accompanying drawings. It should be understood that the drawings are for illustrative purposes only and are not intended to limit the scope of protection of this utility model. In the drawings, the same reference numerals are used to refer to the same parts. Wherein:
[0031] Figure 1 The schematic diagram shows a three-dimensional view of the overall structure of an armored withdrawable AC enclosed switchgear according to one embodiment of the present invention.
[0032] Figure 2 The schematic diagram shows a three-dimensional view of the open state structure of an armored retractable AC enclosed switchgear according to one embodiment of the present invention.
[0033] Figure 3 The schematic diagram shows a three-dimensional view of the drive assembly structure of an armored withdrawable AC enclosed switchgear according to one embodiment of the present invention.
[0034] Figure 4 for Figure 3 Enlarged view of point A in the middle;
[0035] Figure 5 The schematic diagram shows a three-dimensional view of the fire protection component structure of an armored withdrawable AC enclosed switchgear according to one embodiment of the present invention.
[0036] Figure 6 The schematic diagram shows a three-dimensional view of the sliding frame structure of an armored removable AC enclosed switchgear according to one embodiment of the present invention.
[0037] Figure 7 The illustration shows a three-dimensional structural diagram of the auxiliary component of an armored withdrawable AC enclosed switchgear according to one embodiment of the present invention.
[0038] The following are the labeling elements in the diagram: 1. Switch cabinet body; 2. Limiting frame; 3. Movable slot one; 4. Movable slot two; 5. Push plate one; 6. Push plate two; 7. Closing door; 8. Sliding frame; 9. Sliding slot; 10. Internal component body; 11. U-shaped frame; 12. Moving slot; 13. Servo motor; 14. Gear; 15. Rack; 16. Moving block; 17. Moving ball; 18. Pressure tank; 19. Air inlet flange; 20. Nozzle; 21. Solenoid valve; 22. Mounting plate; 23. Camera; 24. Flame detector; 25. Temperature sensor. Detailed Implementation
[0039] It is readily understood that, based on the technical solution of this utility model, those skilled in the art can propose various interchangeable structural methods and implementations without altering the essential spirit of this utility model. Therefore, the following detailed embodiments and accompanying drawings are merely illustrative descriptions of the technical solution of this utility model and should not be considered as the entirety of this utility model or as limitations or restrictions on the technical solution of this utility model.
[0040] According to one embodiment of the present invention, in conjunction with Figure 1-7As shown. An armored removable AC enclosed switchgear includes a switchgear body 1. A limiting frame 2 is fixedly connected to the top of the switchgear body 1. The front of the limiting frame 2 has a first movable groove 3 and a second movable groove 4. Push plates 5 and 6 are slidably connected inside the first movable groove 3 and the second movable groove 4, respectively. A closing door 7 is fixedly connected to the bottom of the first push plate 5 and one side of the second push plate 6. A driving component capable of driving the two closing doors 7 to move relative to or away from each other is provided on the back of the limiting frame 2. A sliding frame 8 is fixedly connected to the inner bottom surface of the switchgear body 1. A sliding groove 9 is provided on the top of the sliding frame 8. A sliding groove 9 is provided on the back of each of the two closing doors 7. The switch cabinet body 1 has an internal component body 10 fixedly installed on its inner bottom surface. A fire-fighting component is installed between the two sides of the inner wall of the switch cabinet body 1. A U-shaped frame 11 is fixedly connected between the two sides of the switch cabinet body 1 and below the fire-fighting component. Movable slots 12 are provided on both sides of the U-shaped frame 11, and monitoring components are installed inside the movable slots 12. The switch cabinet body 1 is the main frame of the entire equipment, used to accommodate all other components, providing a location for installing and fixing other parts, and ensuring the overall structural stability of the switch cabinet. A limiting frame 2 is located at the top of the switch cabinet body 1, and its function is to limit push plate 5 and push plate 2. The range of motion of the 6 provides support and guidance for the opening and closing of the closing door 7, making the opening and closing process of the door more stable. It also has internal space to allow the rack 15 to slide within it. The arrangement of the first movable groove 3 and the second movable groove 4 ensures that the first push plate 5 and the second push plate 6 can move smoothly on specific tracks. The sliding action of the first push plate 5 and the second push plate 6 is controlled by the drive assembly, allowing the two closing doors 7 to move relative to each other or apart, thereby opening or closing the switch cabinet. The internal component body 10 contains the electrical components inside the switch cabinet, such as protective switches and wiring terminals, supporting the normal operation of the switch cabinet. Installed on the inner bottom surface of the switch cabinet, it ensures the normal electrical function of the switch cabinet. Through the coordinated use of structures such as the limiting frame 2, closing door 7, drive component and assist component, the cabinet door can be opened and closed smoothly and steadily through the cooperation of servo motor 13, gear 14 and toothed belt. This avoids the errors or instability that may occur in traditional manual operation. At the same time, the setting of the assist component allows the movable ball 17 in the moving block 16 to roll smoothly along the sliding groove 9, ensuring that the opening and closing process of the cabinet door is stable and unobstructed. It can be operated without manual operation, reducing operation steps, improving ease of use and enhancing the intelligent experience.
[0041] The drive assembly includes a servo motor 13 fixedly mounted on the back of the limiting frame 2. The output end of the servo motor 13 rotates through the interior of the limiting frame 2 and is fixedly connected to a gear 14. The core function of the drive assembly is to realize the automatic opening and closing control of the closing door 7. The servo motor 13 drives the gear 14 to rotate through the output end, and the gear 14 drives the rack 15 to move. The rack 15 is connected to the push plate 5 and the push plate 6, thereby pushing the closing door 7 to open and close. The servo motor 13 provides precise control and realizes intelligent operation. The outer wall of the gear 14 is meshed with two racks 15. One side of the two racks 15 is fixedly connected to the push plate 5 and the push plate 6 respectively. The outer side of the rack 15 slides along the inner wall of the limiting frame 2.
[0042] The assist component includes a movable block 16 fixedly installed on the back of the closing door 7. A movable ball 17 is movably embedded in the bottom of the movable block 16. The outer wall of the movable ball 17 rolls along the inside of the sliding groove 9. The assist component reduces friction when the closing door 7 is opened and closed through the movable block 16 and the movable ball 17, making the door opening and closing easier and smoother. The movable ball 17 rolls along the sliding groove 9, which plays a role in assisting the door to open and close smoothly.
[0043] The fire suppression system includes a pressure tank 18 fixedly installed between the two sides of the inner wall of the switch cabinet body 1. The top of the pressure tank 18 is fixedly connected to an air inlet flange 19. The fire suppression system is used to automatically extinguish fires in the event of a fire. The pressure tank 18 stores liquid carbon dioxide. When a fire occurs, the flame detector 24 or the temperature sensor 25 triggers the system, the solenoid valve 21 opens, and the nozzles 20 release the extinguishing agent to control and extinguish the fire. The outer wall of the pressure tank 18 is fixedly connected to two sets of nozzles 20. The outer wall of the nozzles 20 is fixedly installed with a solenoid valve 21. Each set of nozzles 20 has two nozzles, one set facing downwards and the other set facing outwards.
[0044] The monitoring components include a mounting plate 22 slidably connected inside the moving slot 12. A camera 23, a flame detector 24, and a temperature sensor 25 are fixedly mounted on the bottom of the mounting plate 22. The monitoring components are used to monitor the status inside the switch cabinet in real time. The camera 23 is installed inside the mounting plate to capture images of the interior, the flame detector 24 is used to detect fires, and the temperature sensor 25 is used to detect the temperature inside the cabinet. These components provide data support for safety management and ensure system safety. One side of the closed door 7 slides along the outer wall of the switch cabinet body 1.
[0045] The working principle of this embodiment is as follows: First, the switch cabinet is installed in a suitable position. When it needs to be opened, the operator sends an electrical signal to the control module inside the switch cabinet body 1 via remote control, thereby controlling the servo motor 13 to start. The output end rotates, driving the gear 14 to rotate, causing the two meshing toothed belts to move out of alignment. This drives the push plate 1 5 and push plate 2 6 to move along the movable groove 1 3 and movable groove 2 4 opened in the limiting frame 2, causing the two closing doors 7 to move out of alignment and thus open. Therefore, the operator does not need to manually open the switch cabinet body 1, which is convenient to use, reduces the number of operation steps, and provides an intelligent experience. At the same time, under the action of the assist component, the movable ball 17 in the moving block 16 can roll along the sliding groove 9 in the sliding frame 8, so that the two closing doors 7 can open and close smoothly, ensuring the stable use of the device.
[0046] Then, when the switch cabinet body 1 is opened, and it is necessary to operate and maintain the internal parts of the device, the mounting plate 22 can be manually pushed to slide along the moving grooves 12 opened on both sides of the U-shaped frame 11. This allows components such as the camera 23 to be moved to a more suitable monitoring position, making it easier for staff to monitor the internal temperature and the status of the internal components body 10. At the same time, when the temperature of the device is too high or a short circuit causes a fire, the flame detector 24 and temperature sensor 25 will automatically transmit signals to the internal control module, causing the solenoid valve 21 of the nozzle 20 on the pressure tank 18 to open, so that the liquid carbon dioxide in the pressure tank 18 will automatically spray out from the nozzle 20, thereby further controlling the fire. In addition, when an accident occurs inside, it can also be observed through the camera 23, allowing staff to observe the internal situation in real time, which is convenient for real-time monitoring of the internal devices and improves the safety of use. Furthermore, the internal components body 10 includes a lighting lamp, which allows the camera 23 to clearly observe the internal situation.
[0047] The technical scope of this utility model is not limited to the content described above. Those skilled in the art can make various modifications and variations to the above embodiments without departing from the technical concept of this utility model, and all such modifications and variations should fall within the protection scope of this utility model.
Claims
1. An armored withdrawable AC enclosed switchgear, comprising a switchgear body (1), characterized in that, A limiting frame (2) is fixedly connected to the top of the switch cabinet body (1). The front of the limiting frame (2) is provided with a first movable slot (3) and a second movable slot (4). Push plates 1 (5) and 2 (6) are slidably connected inside the first movable slot (3) and the second movable slot (4), respectively. A closing door (7) is fixedly connected to the bottom of the first push plate (5) and one side of the second push plate (6). A driving component capable of driving the two closing doors (7) to move relative to each other or apart is provided on the back of the limiting frame (2). The inner bottom surface of the switch cabinet body (1) is fixedly connected to There is a sliding frame (8), and a sliding groove (9) is provided on the top of the sliding frame (8). A power-assisting component is provided on the back of both closing doors (7). An internal component body (10) is fixedly installed on the inner bottom surface of the switch cabinet body (1). A fire-fighting component is provided between the two sides of the inner wall of the switch cabinet body (1). A U-shaped frame (11) is fixedly connected between the two sides of the switch cabinet body (1) and below the fire-fighting component. A moving groove (12) is provided on both sides of the U-shaped frame (11). A monitoring component is provided inside the moving groove (12).
2. The armored withdrawable AC enclosed switchgear according to claim 1, characterized in that, The drive assembly includes a servo motor (13) fixedly mounted on the back of the limiting frame (2), the output end of the servo motor (13) rotating through the interior of the limiting frame (2) and fixedly connected to a gear (14).
3. The armored withdrawable AC enclosed switchgear according to claim 2, characterized in that, The outer wall of the gear (14) is meshed with two racks (15).
4. The armored withdrawable AC enclosed switchgear according to claim 1, characterized in that, The assist component includes a movable block (16) fixedly installed on the back of the closing door (7), and a movable ball (17) is movably embedded in the bottom of the movable block (16).
5. The armored withdrawable AC enclosed switchgear according to claim 1, characterized in that, The fire protection assembly includes a pressure tank (18) fixedly installed between the two sides of the inner wall of the switch cabinet body (1), and the top of the pressure tank (18) is fixedly connected to an air inlet flange (19).
6. The armored withdrawable AC enclosed switchgear according to claim 5, characterized in that, The outer wall of the pressure tank (18) is fixedly connected to two sets of nozzles (20), and the outer wall of the nozzles (20) is fixedly installed with solenoid valves (21).
7. The armored withdrawable AC enclosed switchgear according to claim 1, characterized in that, The monitoring component includes a mounting plate (22) that is slidably connected inside the movable slot (12), and a camera (23), a flame detector (24) and a temperature sensor (25) are fixedly mounted on the bottom of the mounting plate (22).
8. The armored withdrawable AC enclosed switchgear according to claim 1, characterized in that, The closing door (7) slides along one side of the outer wall of the switch cabinet body (1).