A UPS power supply of an intelligent power grid outdoor substation monitoring system

Abstract

The application relates to the technical field of smart power grids, in particular to a UPS power supply of a smart power grid outdoor transformer substation monitoring system, which comprises a cabinet body and a temperature sensor installed in the cabinet body, the top of the cabinet body is provided with an air inlet, the two side walls of the cabinet body are symmetrically provided with air outlets, a sealing assembly is arranged on the cabinet body, a cooling assembly corresponding to the air inlet is arranged on the cabinet body, a driving mechanism and a controller connected with the temperature sensor are further arranged on the cabinet body, and the driving mechanism is linked with the sealing assembly and the cooling assembly, the temperature inside the cabinet body is monitored in real time through the temperature sensor, linkage control of the sealing assembly and the cooling assembly is realized with the aid of the controller and the driving mechanism, intelligent switching between dustproof sealing and active heat dissipation is realized, manual intervention is not needed, and the environmental adaptability and operation reliability of the UPS power supply in the outdoor transformer substation scene are effectively improved.

Description

Technical Field

[0001] This invention relates to the field of smart grid technology, specifically a UPS power supply for a smart grid outdoor substation monitoring system. Background Technology

[0002] With the continuous advancement of smart grid construction, outdoor substations, as key nodes in the power transmission and distribution network, require real-time monitoring of their operational status for ensuring the safe and stable operation of the power grid. In outdoor substation monitoring systems, the UPS power supply, as the core device providing uninterrupted power to the monitoring equipment, directly determines the continuity of monitoring data and the overall stability of the system through its reliability.

[0003] However, outdoor substations are typically located in open-air environments with harsh natural conditions, including dust, sandstorms, moisture, and various floating debris. During continuous operation, the internal electronic components of a UPS power supply generate heat. If this heat accumulates inside the cabinet, causing an increase in temperature, it will affect the efficiency of the power modules, accelerate component aging, and in severe cases, even lead to equipment failure or shutdown, thereby jeopardizing the normal operation of the entire monitoring system. Therefore, ensuring that UPS power supplies can effectively prevent dust and moisture while also achieving efficient heat dissipation when necessary in outdoor environments has become a pressing technical problem to be solved in this field.

[0004] Currently, existing UPS power supply cabinet structures mainly employ either open ventilation or closed sealing designs. While open ventilation cabinets can utilize natural convection or forced ventilation to remove some heat, external dust, moisture, and foreign objects can easily enter the cabinet through the ventilation ducts. Over time, these accumulate on the circuit boards and component surfaces, causing decreased insulation performance, poor contact, and even short circuits, significantly shortening the equipment's lifespan. Closed sealing cabinets, although able to isolate external contaminants to some extent, create a relatively enclosed space where heat is difficult to dissipate. Especially in high-temperature environments during summer or when the equipment is operating under high load, the internal temperature of the cabinet can continuously rise, easily causing the UPS power supply to overheat and shut down or be damaged.

[0005] In addition, some existing technologies attempt to install cooling fans or open ventilation windows on the cabinet, but these solutions often cannot adaptively adjust according to the actual temperature inside the cabinet. The cooling device is often in a continuous state of operation, which not only causes unnecessary energy consumption, but also cannot fundamentally solve the problem of dust intrusion during non-cooling periods. Summary of the Invention

[0006] The purpose of this invention is to provide a UPS power supply for a smart grid outdoor substation monitoring system to solve the problems mentioned in the background art.

[0007] To achieve the above objectives, the present invention provides the following technical solution: A UPS power supply for a smart grid outdoor substation monitoring system includes a cabinet and a temperature sensor installed inside the cabinet. The top of the cabinet is provided with an air inlet, and the two side walls of the cabinet are symmetrically provided with air outlets. A sealing component is provided on the cabinet, which can seal the air inlet and the air outlet. The cabinet is equipped with a cooling component corresponding to the air inlet; The cabinet is also equipped with a drive mechanism and a controller connected to the temperature sensor signal. The drive mechanism is linked to the sealing component and the cooling component respectively. When the temperature sensor detects that the temperature inside the cabinet reaches a preset threshold, the controller sends an action signal, and the drive mechanism will drive the sealing component to move, so that the air inlet and air outlet switch from a closed state to an open state. At the same time, it drives the cooling component to operate, and the outside air will be blown into the cabinet through the air inlet and blown out from the air outlet.

[0008] The UPS power supply for the smart grid outdoor substation monitoring system described above: The sealing assembly includes a guide rail, a horizontal plate, and a connecting arm, with the guide rail horizontally positioned at the inner top of the cabinet. The horizontal plate is slidably mounted on the guide rail, and the horizontal plate corresponds to the air inlet.

[0009] The UPS power supply for the smart grid outdoor substation monitoring system described above: The cabinet has frame plates on both inner side walls, and vertical plates are vertically slidably mounted on both frame plates. The two vertical plates correspond to the two air outlets respectively, and the two vertical plates are connected by a U-shaped frame.

[0010] The UPS power supply for the smart grid outdoor substation monitoring system described above: An L-shaped rod is vertically slidably installed on the rear side wall of the cabinet, and the bottom end of the L-shaped rod is connected to the U-shaped frame; The two ends of the connecting arm are rotatably connected to the L-shaped rod and the horizontal plate, respectively. When the L-shaped rod moves upward under the drive of the driving mechanism, the vertical plate will move upward, and at the same time the horizontal plate will slide horizontally.

[0011] The UPS power supply for the smart grid outdoor substation monitoring system described above: The cooling component includes a housing and an impeller, the housing being disposed on the top of the cabinet and corresponding to the air inlet; The impeller is rotatably disposed inside the housing, and a driven pulley is coaxially disposed at one end of the impeller.

[0012] The UPS power supply for the smart grid outdoor substation monitoring system described above: The drive mechanism includes a rotating shaft, a motor, and a drive pulley, with the rotating shaft vertically rotatably mounted on the cabinet. The motor is mounted on the cabinet, and the output end of the motor is coaxially connected to the bottom end of the rotating shaft.

[0013] The UPS power supply for the smart grid outdoor substation monitoring system described above: The driving pulley is coaxially disposed at the top end of the rotating shaft, and the driving pulley and the driven pulley are connected by a belt; The outer wall of the cabinet is provided with a protective cover, which encloses the drive mechanism inside.

[0014] The UPS power supply for the smart grid outdoor substation monitoring system described above: The drive mechanism also includes a limiting ring, a disk, and a movable seat, with the limiting ring coaxially disposed on the rotating shaft; The disk is also coaxially mounted on the rotating shaft, and the horizontal height of the disk is less than the horizontal height of the limiting ring.

[0015] The UPS power supply for the smart grid outdoor substation monitoring system described above: The movable seat is vertically slidably disposed on the rotating shaft, and the movable seat is located between the limiting ring and the disc; The top end of the L-shaped rod is connected to the movable seat, and a three-pronged bracket is coaxially rotatably fitted on the outer wall of the movable seat.

[0016] The UPS power supply for the smart grid outdoor substation monitoring system described above: The disc has three grooves along its diameter, and a counterweight slider is slidably disposed in each of the three grooves. The three counterweight sliders are rotatably connected to the three-pronged bracket through three connecting rods. A spring is fitted on the outer wall of the rotating shaft, and the two ends of the spring abut against the limiting ring and the moving seat, respectively.

[0017] Compared with the prior art, the beneficial effects of the present invention are: The internal temperature of the UPS is monitored in real time by a temperature sensor, and the sealing and cooling components are linked and controlled by a controller and drive mechanism. Under normal conditions, the sealing components seal the air inlet and outlet, effectively preventing external dust, moisture and foreign objects from entering the UPS, thus ensuring the stable operation of the UPS in harsh outdoor environments and extending the service life of the equipment. When the internal temperature of the UPS reaches a preset threshold, the controller automatically sends an action signal, and the drive mechanism drives the sealing components to open the air inlet and outlet. At the same time, the cooling components are activated to send air into the UPS. Outside air enters through the top air inlet and flows out through the symmetrically arranged air outlets on both sides, forming a smooth heat dissipation airflow channel, which reduces the internal temperature of the UPS in time and prevents the UPS from being damaged due to overheating. This solution enables intelligent switching between dustproof sealing and active heat dissipation without manual intervention, effectively improving the environmental adaptability and operational reliability of UPS power supplies in outdoor substation scenarios. Attached Figure Description

[0018] Figure 1 A schematic diagram of the overall structure of the UPS power supply for a smart grid outdoor substation monitoring system. Figure 2 A cross-sectional view of the substation enclosure structure in the UPS power supply of a smart grid outdoor substation monitoring system. Figure 3 This is a schematic diagram of the internal structure of the UPS power supply in a smart grid outdoor substation monitoring system. Figure 4 A schematic diagram of the sealing components in the UPS power supply of a smart grid outdoor substation monitoring system. Figure 5 A cross-sectional view of the cabinet and protective cover in the UPS power supply of a smart grid outdoor substation monitoring system. Figure 6 for Figure 5 Enlarged view of point A in the middle; Figure 7 for Figure 5 Enlarged view at point B in the middle; Figure 8 This is a half-section front view of the cabinet and protective cover of the UPS power supply in the smart grid outdoor substation monitoring system. Figure 9 for Figure 5 Enlarged view at point C; Figure 10 This is a schematic diagram of the air inlet and outlet of the UPS power supply in the smart grid outdoor substation monitoring system.

[0019] In the diagram: 1. Substation enclosure structure; 2. Cabinet; 201. Air inlet; 202. Air outlet; 3. Temperature sensor; 4. Guide rail; 5. Horizontal plate; 6. Connecting arm; 7. Frame plate; 8. Vertical plate; 9. U-shaped frame; 10. L-shaped rod; 11. Outer shell; 12. Impeller; 13. Driven pulley; 14. Rotating shaft; 15. Motor; 16. Driven pulley; 17. Belt; 18. Limiting ring; 19. Disc; 1901. Slide groove; 20. Moving seat; 21. Counterweight slider; 22. Three-pronged bracket; 23. Connecting rod; 24. Spring; 25. Protective cover. Detailed Implementation

[0020] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0021] Please see Figures 1-10 As an embodiment of the present invention, a UPS power supply for a smart grid outdoor substation monitoring system includes a cabinet 2 and a temperature sensor 3 installed inside the cabinet 2. An air inlet 201 is provided on the top of the cabinet 2, and air outlets 202 are symmetrically provided on the two side walls of the cabinet 2. A sealing component is provided on the cabinet 2, which can seal the air inlet 201 and the air outlet 202. The cabinet 2 is equipped with a cooling component corresponding to the air inlet 201; The cabinet 2 is also equipped with a drive mechanism and a controller connected to the temperature sensor 3. The drive mechanism is linked to the sealing component and the cooling component. When the temperature sensor 3 detects that the temperature inside the cabinet 2 reaches a preset threshold, the controller sends an action signal, and the drive mechanism will drive the sealing component to move, so that the air inlet 201 and the air outlet 202 are switched from a closed state to an open state. At the same time, the cooling component is driven to run, and the outside air will be blown into the cabinet 2 through the air inlet 201 and blown out from the air outlet 202.

[0022] The UPS power supply for the smart grid outdoor substation monitoring system is installed in the substation enclosure structure 1.

[0023] In this embodiment, the temperature sensor 3 continuously monitors the internal temperature of the cabinet 2. When the internal temperature of the cabinet 2 is within the normal range, the sealing component keeps the air inlet 201 and the air outlet 202 in a closed state, and the cooling component is in a stopped state. At this time, the cabinet 2 forms a relatively sealed space, and external dust, moisture and foreign objects cannot enter the cabinet 2 through the air inlet 201 and the air outlet 202. The UPS power supply operates stably in a clean environment. When heat accumulates inside cabinet 2 due to the continuous operation of the UPS power supply, and the temperature sensor 3 detects that the internal temperature has risen to a preset threshold, the temperature sensor 3 transmits the temperature signal to the controller. After receiving the signal, the controller determines that the current temperature has reached the condition that requires the start of heat dissipation and then issues an action signal. After receiving the action signal from the controller, the drive mechanism simultaneously performs two linked actions: on the one hand, it drives the sealing component to switch the air inlet 201 and the air outlet 202 from the closed state to the open state, forming a through airflow channel between the top of the cabinet 2 and the two side walls; on the other hand, it drives the cooling component to start running, and the cooling component directs airflow into the cabinet 2 through the air inlet 201. After the cooling components are activated, outside air is blown into the cabinet 2 through the air inlet 201 at the top of the cabinet 2 under the action of the cooling components. After the airflow flows in the cabinet 2 and absorbs heat, it is blown out from the air outlets 202 symmetrically arranged on both sides of the cabinet 2, forming a heat dissipation airflow circulation that enters from the top and exits from both sides, continuously carrying away the heat inside the cabinet 2 and causing the UPS power supply temperature to drop. During the heat dissipation process, temperature sensor 3 continuously monitors the internal temperature of cabinet 2. When the temperature drops to the normal range, the controller sends a signal again, the drive mechanism stops running, the sealing component re-closes the air inlet 201 and the air outlet 202, and at the same time stops the operation of the cooling component. The system returns to the normal dustproof sealing stage and waits for the next temperature trigger.

[0024] As a further embodiment of the present invention, the sealing assembly includes a guide rail 4, a horizontal plate 5 and a connecting arm 6, wherein the guide rail 4 is horizontally arranged at the inner top of the cabinet 2; The horizontal plate 5 is horizontally slidably disposed on the guide rail 4, and the horizontal plate 5 corresponds to the air inlet 201; The cabinet 2 has frame plates 7 on both inner side walls, and vertical plates 8 are vertically slidably mounted on both frame plates 7. The two vertical plates 8 correspond to the two air outlets 202 respectively, and the two vertical plates 8 are connected by a U-shaped frame 9; An L-shaped rod 10 is vertically slidably installed on the rear side wall of the cabinet 2, and the bottom end of the L-shaped rod 10 is connected to the U-shaped frame 9; The two ends of the connecting arm 6 are rotatably connected to the L-shaped rod 10 and the horizontal plate 5, respectively. When the L-shaped rod 10 moves upward under the drive of the driving mechanism, the vertical plate 8 will move upward, and at the same time the horizontal plate 5 will slide horizontally.

[0025] In this embodiment, please refer to Figure 4 , Figure 6 , Figure 7 and Figure 8The guide rail 4 is horizontally fixed to the top of the cabinet 2. The horizontal plate 5 is horizontally slidably installed on the guide rail 4 and located directly below the air inlet 201. The two inner side walls of the cabinet 2 are respectively fixed with frame plates 7. Each frame plate 7 is vertically slidably installed with a vertical plate 8. The two vertical plates 8 are respectively facing the air outlets 202 on both sides, and the two vertical plates 8 are connected as one unit by a U-shaped frame 9. The rear side wall of the cabinet 2 is vertically slidably installed with an L-shaped rod 10, the bottom end of which is connected to the U-shaped frame 9. One end of the connecting arm 6 is rotatably connected to the L-shaped rod 10, and the other end is rotatably connected to the horizontal plate 5. Under normal conditions, the horizontal plate 5 covers the air inlet 201, and the two vertical plates 8 cover the air outlets 202 on both sides, so that the interior of the cabinet 2 forms a closed space. When the drive mechanism drives the L-shaped rod 10 to move upward, the L-shaped rod 10 first pulls the U-shaped frame 9 to move upward synchronously through its bottom end. Since the U-shaped frame 9 is connected to the two vertical plates 8 on both sides, the U-shaped frame 9 moves upward while driving the two vertical plates 8 to slide vertically upward along the corresponding frame plate 7, so that the vertical plates 8 gradually separate from the air outlet 202, and the air outlets 202 on both sides switch from the closed state to the open state. At the same time, the upward-moving L-shaped rod 10 applies a horizontal thrust to the horizontal plate 5 through the rotating connecting arm 6. Since the horizontal plate 5 is constrained by the horizontal guide rail 4, the thrust is converted into the horizontal sliding of the horizontal plate 5 along the guide rail 4, causing the horizontal plate 5 to gradually deviate from the air inlet 201, and the air inlet 201 switches from the closed state to the open state. When the drive mechanism stops running and the L-shaped rod 10 moves downward, the U-shaped frame 9 moves downward as well, which in turn drives the vertical plates 8 on both sides to slide vertically down along the corresponding frame plates 7, covering and sealing the air outlets 202 on both sides again. At the same time, the downward-moving L-shaped rod 10 pulls the horizontal plate 5 to slide horizontally in the opposite direction along the guide rail 4 through the connecting arm 6, so that the horizontal plate 5 covers and seals the air inlet 201 again, and the cabinet 2 returns to its initial sealed state.

[0026] As a further embodiment of the present invention, the cooling component includes a housing 11 and an impeller 12, wherein the housing 11 is disposed on the top of the cabinet 2 and corresponds to the air inlet 201; The impeller 12 is rotatably disposed inside the housing 11, and a driven pulley 13 is coaxially disposed at one end of the impeller 12.

[0027] In this embodiment, please refer to Figure 7 The outer casing 11 is fixedly installed on the top of the cabinet 2, and its position corresponds vertically to the air inlet 201, so that the internal space of the outer casing 11 is connected to the inside of the cabinet 2 through the air inlet 201. The impeller 12 is rotatably installed inside the outer casing 11 and can rotate around its own axis in the outer casing 11. The driven pulley 13 is coaxially arranged with the impeller 12, that is, the impeller 12 and the driven pulley 13 share the same rotation center and rotate synchronously. When the drive mechanism is running, its output power is transmitted to the driven pulley 13, which is driven to rotate. Since the driven pulley 13 is coaxially fixed with the impeller 12, the rotation of the driven pulley 13 directly drives the impeller 12 to rotate synchronously inside the housing 11. After the impeller 12 rotates, its blades exert a force on the air inside the housing 11, causing the outside air to form a directional flow inside the housing 11. This airflow is blown into the cabinet 2 through the air inlet 201, thereby achieving air supply and cooling of the cabinet 2.

[0028] As a further embodiment of the present invention, the drive mechanism includes a rotating shaft 14, a motor 15 and a drive pulley 16, wherein the rotating shaft 14 is vertically rotatably mounted on the cabinet 2; The motor 15 is mounted on the cabinet 2, and the output end of the motor 15 is coaxially connected to the bottom end of the rotating shaft 14. The driving pulley 16 is coaxially disposed at the top end of the rotating shaft 14, and the driving pulley 16 and the driven pulley 13 are connected by a belt 17. The outer wall of the cabinet 2 is provided with a protective cover 25, which encloses the drive mechanism inside. The drive mechanism also includes a limiting ring 18, a disk 19 and a movable seat 20, wherein the limiting ring 18 is coaxially arranged on the rotating shaft 14; The disk 19 is also coaxially mounted on the rotating shaft 14, and the horizontal height of the disk 19 is less than the horizontal height of the limiting ring 18; The movable seat 20 is vertically slidably disposed on the rotating shaft 14, and the movable seat 20 is located between the limiting ring 18 and the disk 19; The top end of the L-shaped rod 10 is connected to the movable seat 20, and the outer wall of the movable seat 20 is coaxially rotatably fitted with a three-pronged bracket 22. The disc 19 is provided with three sliding grooves 1901 along its diameter direction. A counterweight slider 21 is slidably disposed in each of the three sliding grooves 1901. The three counterweight sliders 21 are rotatably connected to the three-pronged bracket 22 through three connecting rods 23 respectively. A spring 24 is fitted on the outer wall of the rotating shaft 14, and the two ends of the spring 24 abut against the limiting ring 18 and the moving seat 20, respectively.

[0029] In this embodiment, please refer to Figure 5 , Figure 7 and Figure 9The rotating shaft 14 is vertically mounted on the cabinet 2, with its bottom end coaxially connected to the output end of the motor 15. A drive pulley 16 is coaxially fixed at its top end, and the drive pulley 16 is connected to the driven pulley 13 via a belt 17. A protective cover 25 is provided on the outer wall of the cabinet 2 to completely enclose the aforementioned drive mechanism, isolating it from external environmental influences. The limiting ring 18 and the disc 19 are both coaxially fixed to the rotating shaft 14, with the limiting ring 18 positioned above the disc 19. A movable seat 20 is vertically slidably sleeved on the rotating shaft 14 and located between the limiting ring 18 and the disc 19. A three-pronged bracket 2 is coaxially rotatably sleeved on its outer wall. 2. Three sliding grooves 1901 are provided on the disc 19 along the diameter direction. A counterweight slider 21 is slidably installed in each sliding groove 1901. Each counterweight slider 21 is rotatably connected to the three-pronged bracket 22 through the connecting rod 23. A spring 24 is sleeved on the outer wall of the rotating shaft 14. The two ends of the spring 24 abut against the limiting ring 18 and the moving seat 20 respectively. The top end of the L-shaped rod 10 is connected to the moving seat 20. Under normal conditions, the force of the spring 24 presses the moving seat 20 towards the position close to the disc 19. At this time, the L-shaped rod 10 is in the lower position, and the sealing assembly seals the air inlet 201 and the air outlet 202. When the controller sends an action signal, the motor 15 starts and drives the rotating shaft 14 to rotate. On one hand, the driving pulley 16 rotates synchronously with the rotating shaft 14, and transmits power to the driven pulley 13 through the belt 17, thereby driving the impeller 12 to rotate continuously inside the outer casing 11. Outside air is blown into the cabinet 2 through the air inlet 201 to achieve active air supply and cooling. On the other hand, the disc 19 rotates synchronously with the rotating shaft 14, and the counterweight slider 21 installed in the slide groove 1901 of the disc 19 slides outward along the slide groove 1901 under the action of centrifugal force, thereby pushing the three-pronged bracket 2 through the connecting rod 23. 2. Moving upward, since the three-pronged bracket 22 and the movable seat 20 are axially fixed, when the three-pronged bracket 22 moves upward, it drives the movable seat 20 to slide upward along the rotating shaft 14 and compress the spring 24. At the same time, the movable seat 20 moves upward, driving the L-shaped rod 10 to move upward synchronously. The L-shaped rod 10 then pushes the horizontal plate 5 to slide horizontally along the guide rail 4 through the connecting arm 6, so that the air inlet 201 switches from the closed state to the open state. At the same time, the L-shaped rod 10 drives the two vertical plates 8 on both sides to move vertically upward along the corresponding frame plate 7 through the U-shaped frame 9, so that the two air outlets 202 on both sides switch from the closed state to the open state synchronously. When the temperature returns to the normal range, the controller stops the motor 15, the shaft 14 stops rotating, the impeller 12 stops blowing air after losing power, and the centrifugal force on the counterweight slider 21 on the disc 19 disappears. The previously compressed spring 24 rebounds and pushes the moving seat 20 to slide down and reset along the shaft 14. When the moving seat 20 moves down, it drives the L-shaped rod 10 to move down synchronously. The L-shaped rod 10 pulls the horizontal plate 5 to slide horizontally in the opposite direction through the connecting arm 6, so that the horizontal plate 5 covers and seals the air inlet 201 again. At the same time, the L-shaped rod 10 drives the two vertical plates 8 to slide vertically down along the corresponding frame plates 7 through the U-shaped frame 9, so that the two vertical plates 8 cover and seal the air outlet 202 again, and the system returns to the initial sealed state.

[0030] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0031] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A UPS power supply for a smart grid outdoor substation monitoring system, comprising a cabinet (2) and a temperature sensor (3) installed inside the cabinet (2), characterized in that, The cabinet (2) has an air inlet (201) on its top and air outlets (202) symmetrically arranged on its two side walls. The cabinet (2) is equipped with a sealing component that can seal the air inlet (201) and the air outlet (202). The cabinet (2) is equipped with a cooling component corresponding to the air inlet (201); The cabinet (2) is also provided with a drive mechanism and a controller connected to the temperature sensor (3). The drive mechanism is linked with the sealing component and the cooling component respectively. When the temperature sensor (3) detects that the temperature inside the cabinet (2) reaches a preset threshold, the controller sends an action signal. The drive mechanism will drive the sealing component to move, so that the air inlet (201) and the air outlet (202) are switched from closed to open. At the same time, the cooling component is driven to run. Outside air will be blown into the cabinet (2) through the air inlet (201) and blown out from the air outlet (202).

2. The UPS power supply of the smart grid outdoor substation monitoring system according to claim 1, characterized in that, The sealing assembly includes a guide rail (4), a horizontal plate (5), and a connecting arm (6), wherein the guide rail (4) is horizontally arranged at the inner top of the cabinet (2); The horizontal plate (5) is horizontally slidably disposed on the guide rail (4), and the horizontal plate (5) corresponds to the air inlet (201).

3. The UPS power supply of the smart grid outdoor substation monitoring system according to claim 2, characterized in that, The cabinet (2) has frame plates (7) on both inner side walls, and vertical plates (8) are vertically slidably mounted on both frame plates (7). The two vertical plates (8) correspond to the two air outlets (202) respectively, and the two vertical plates (8) are connected by a U-shaped frame (9).

4. The UPS power supply of the smart grid outdoor substation monitoring system according to claim 3, characterized in that, An L-shaped rod (10) is vertically slidably installed on the rear side wall of the cabinet (2), and the bottom end of the L-shaped rod (10) is connected to the U-shaped frame (9); The two ends of the connecting arm (6) are rotatably connected to the L-shaped rod (10) and the horizontal plate (5) respectively. When the L-shaped rod (10) moves upward under the drive of the driving mechanism, the vertical plate (8) will move upward, and at the same time the horizontal plate (5) will slide horizontally.

5. The UPS power supply of the smart grid outdoor substation monitoring system according to claim 4, characterized in that, The cooling component includes a housing (11) and an impeller (12), the housing (11) being disposed on the top of the cabinet (2) and corresponding to the air inlet (201); The impeller (12) is rotatably disposed inside the housing (11), and a driven pulley (13) is coaxially disposed at one end of the impeller (12).

6. The UPS power supply of the smart grid outdoor substation monitoring system according to claim 5, characterized in that, The drive mechanism includes a rotating shaft (14), a motor (15), and a drive pulley (16). The rotating shaft (14) is vertically rotatably mounted on the cabinet (2). The motor (15) is mounted on the cabinet (2), and the output end of the motor (15) is coaxially connected to the bottom end of the rotating shaft (14).

7. The UPS power supply for a smart grid outdoor substation monitoring system according to claim 6, characterized in that, The driving pulley (16) is coaxially disposed at the top of the rotating shaft (14), and the driving pulley (16) and the driven pulley (13) are connected by a belt (17); The outer wall of the cabinet (2) is provided with a protective cover (25), which encloses the drive mechanism inside.

8. The UPS power supply for a smart grid outdoor substation monitoring system according to claim 6, characterized in that, The drive mechanism also includes a limiting ring (18), a disc (19) and a movable seat (20), wherein the limiting ring (18) is coaxially arranged on the rotating shaft (14); The disk (19) is also coaxially mounted on the rotating shaft (14), and the horizontal height of the disk (19) is less than the horizontal height of the limiting ring (18).

9. The UPS power supply for a smart grid outdoor substation monitoring system according to claim 8, characterized in that, The movable seat (20) is vertically slidably disposed on the rotating shaft (14), and the movable seat (20) is located between the limiting ring (18) and the disk (19); The top end of the L-shaped rod (10) is connected to the movable seat (20), and the outer wall of the movable seat (20) is coaxially rotatably fitted with a three-pronged bracket (22).

10. The UPS power supply of a smart grid outdoor substation monitoring system according to claim 9, characterized in that, The disc (19) has three grooves (1901) along its diameter direction. A counterweight slider (21) is slidably arranged in each of the three grooves (1901). The three counterweight sliders (21) are rotatably connected to the three-pronged bracket (22) through three connecting rods (23). A spring (24) is fitted on the outer wall of the rotating shaft (14), and the two ends of the spring (24) abut against the limiting ring (18) and the moving seat (20) respectively.

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