A kind of electric power cabinet valve mechanism and its using method

Abstract

The present invention discloses a valve mechanism of a power cabinet and a method for using the same, comprising: two valve plates; a self-adjusting sealing assembly, the self-adjusting sealing assembly being arranged between the two valve plates, the self-adjusting sealing assembly comprising a tightness adjusting member, the tightness adjusting member being used to adjust the tightness of the sealing. The present invention monitors the temperature of the elastic sealing convex strip and the elastic sealing concave strip in real time through a temperature sensor, in a low-temperature environment, the second water pump delivers warm water to the L-shaped water cavity strip, and in a high-temperature environment, the first water pump delivers low-temperature water to the L-shaped water cavity strip, thereby maintaining the temperature of the elastic sealing convex strip and the elastic sealing concave strip in a stable range, preventing the influence of high or low temperature on the elastic sealing convex strip and the elastic sealing concave strip, reducing the rate of aging or embrittlement of the materials of the two, extending their service life, and greatly reducing the cost waste of sealing materials.

Description

Technical Field

[0001] The invention relates to the technical field of valve mechanisms, and in particular to a valve mechanism for a power cabinet and a use method thereof. Background Art

[0002] A power cabinet (also called a distribution cabinet or electrical distribution cabinet) is a device used for centralized control and distribution of electric power. It usually contains electrical components such as circuit breakers, relays, switches, fuses, etc. Their main functions include: power distribution, protection of electrical equipment, and monitoring and control. The valve mechanism of a power cabinet usually refers to a device that controls the airflow or cooling system inside the cabinet. Since the equipment inside the power cabinet generates heat when working, proper ventilation and cooling are very important. The valve mechanism here plays a role in regulating the airflow inside and outside the cabinet and preventing dust and water.

[0003] In order to prevent dust and water vapor from entering the power cabinet through the valve mechanism, a seal is set on the opening and closing door of the valve mechanism to increase the sealing of the gap of the valve mechanism. However, during the service life of the seal, its sealing performance will be affected by the ambient temperature, which will accelerate the aging and embrittlement of the seal. In order to ensure the sealing effect, it is necessary to frequently replace the quickly aging seals, which also causes a certain degree of cost waste of sealing materials. Summary of the invention

[0004] The purpose of the present invention is to provide a valve mechanism for a power cabinet and a method of using the same, which solves the problem that the seals in the traditional valve mechanism are affected by the ambient temperature, which accelerates the aging and embrittlement of the seals, and requires frequent replacement of rapidly aged seals, which to a certain extent causes cost waste of sealing materials.

[0005] The present invention solves the above technical problems through the following technical solutions, which include:

[0006] Two trap doors;

[0007] A self-adjusting sealing assembly, the self-adjusting sealing assembly is arranged between the two valve plates, the self-adjusting sealing assembly includes a tightness adjusting member, the tightness adjusting member is used to adjust the tightness of the sealing, the tightness adjusting member includes an elastic sealing convex strip, an elastic sealing concave strip, a plurality of pressure sensors, a PLC controller, two air pumps and two air delivery pipes;

[0008] An air filling groove is provided inside the elastic sealing convex strip and inside the elastic sealing concave strip, the elastic sealing convex strip and the elastic sealing concave strip are respectively fixed on opposite sides of the two valve plates, a plurality of pressure sensors are arranged outside the elastic sealing convex strip, the PLC controller is fixed on the front side of one of the valve plates, the two air pumps are respectively fixed on the front sides of the two valve plates through a connecting frame, one end of the two air pipes is respectively fixedly connected to the air outlet ends of the two air pumps, and the other ends of the two air pipes extend to the inside of the two air filling grooves respectively;

[0009] A temperature control assembly is fixed on the front of the two valve plates, and a plurality of through holes are provided inside the two valve plates. The two temperature control assemblies are respectively used to maintain the temperature range of the elastic sealing convex strip and the elastic sealing concave strip, and the temperature control assembly includes a cooling member for reducing the surface temperature of the elastic sealing convex strip and the elastic sealing concave strip;

[0010] The cooling element includes a cold water box, two L-shaped water cavity strips, a semiconductor refrigeration sheet, a first water pump, a water supply pipe, a water return pipe, a plurality of connecting pipes and a plurality of temperature sensors;

[0011] The cold water box is fixed to the front side of the valve plate, the semiconductor refrigeration sheet is fixed to the inside of the cold water box, the plurality of connecting pipes are fixed between the two L-shaped water cavity strips, and the plurality of connecting pipes are respectively penetrated inside the plurality of perforations, the first water pump is fixed to one side of the cold water box, one end of the water supply pipe is fixed to the water outlet end of the first water pump, one end of the water return pipe is fixed to the inside of the cold water box, the other end of the water supply pipe and the other end of the water return pipe are both extended to the inside of one of the L-shaped water cavity strips, and the plurality of temperature sensors are respectively fixed to the inner sides of the two L-shaped water cavity strips;

[0012] The temperature control assembly further includes a heating element, which is disposed on one side of the temperature reducing element and is used to increase the surface temperature of the elastic sealing convex strip and the elastic sealing concave strip;

[0013] The heating component includes a warm water box, an S-shaped heating tube, a second water pump, a water supply pipe and a return pipe. The warm water box is fixed to one side of the cold water box, the S-shaped heating tube is fixed to the inside of the warm water box, the second water pump is fixed to one side of the warm water box, one end of the water supply pipe is fixed to the water outlet end of the second water pump, one end of the return pipe is fixed to the inside of the warm water box, and the other end of the water supply pipe and the other end of the return pipe both extend to the inside of one of the L-shaped water cavity strips.

[0014] Preferably, the self-adjusting sealing assembly further comprises two damage monitoring components, which are respectively fixed to the front sides of the two valve plates, and are respectively used for real-time monitoring whether the elastic sealing convex strip and the elastic sealing concave strip are damaged or aged.

[0015] Preferably, the damage monitoring component includes an electronic timer and an alarm, the electronic timer is communicatively connected to the alarm, and the electronic timer is communicatively connected to the air pump.

[0016] Preferably, a valve driving mechanism is provided on both sides of the two valve plates, and the valve driving mechanism includes two guide rods, a first valve driving arm and a second valve driving arm. Both sides of the two valve plates are slidably installed on the outside of the two guide rods through a sliding frame, and the first valve driving arm and the second valve driving arm are respectively installed on both sides of the two valve plates.

[0017] A method for using a valve mechanism of a power cabinet comprises the following steps:

[0018] Step 1: When the two valve plates are closed, the elastic sealing convex strip is inserted into the elastic sealing concave strip. The pressure sensor determines whether the sealing performance of the two valve plates meets the standard according to the real-time monitored pressure value. If the sealing performance does not meet the standard, the air pump is started by the PLC controller to draw external air into the inflation tank until the pressure value monitored by the pressure sensor rises to the set value and closes, thereby avoiding leakage caused by the two valve plates not being closed tightly.

[0019] Step 2: When the air pump is started, the electronic timer starts timing. If the air pump inflates the air tank for a long time and still fails to raise the pressure value of the pressure sensor to the set value, causing the air pump to shut down, the alarm will be activated after the timing of the electronic timer reaches the set value of the PLC controller, and the staff will be informed of the use status of the elastic sealing convex strip and the elastic sealing concave strip in time;

[0020] Step 3: The temperature sensor monitors the temperature of the elastic sealing convex strip and the elastic sealing concave strip in real time. When the temperature is low, warm water is sent to the L-shaped water cavity strip through the second water pump and the water delivery pipe. On the contrary, when the temperature is high, low-temperature water is sent to the L-shaped water cavity strip through the first water pump and the water delivery pipe. In this way, the temperature of the elastic sealing convex strip and the elastic sealing concave strip is maintained in a stable range to prevent the influence of high or low temperature on the two, thereby extending their service life.

[0021] Compared with the prior art, the beneficial effects of the present invention are:

[0022] 1. Use the pressure sensor to detect whether the sealing performance has decreased. If the sealing performance has decreased, the air pump will draw the external air into the inflation groove to eliminate the gap between the elastic sealing convex strip and the elastic sealing concave strip, thereby increasing the sealing effect and ensuring that the sealing performance is always maintained in the best state. In addition, the service life of the seal can be fully utilized without frequent replacement of the seal, thereby reducing the cost waste of sealing materials.

[0023] 2. The temperature of the elastic sealing convex strip and the elastic sealing concave strip is monitored in real time by the temperature sensor. In a low-temperature environment, the second water pump delivers warm water to the L-shaped water cavity strip. In a high-temperature environment, the first water pump delivers low-temperature water to the L-shaped water cavity strip. In this way, the temperature of the elastic sealing convex strip and the elastic sealing concave strip is maintained in a stable range, preventing the influence of high or low temperature on the elastic sealing convex strip and the elastic sealing concave strip, reducing the aging or embrittlement rate of the materials of the two, extending their service life, and greatly reducing the cost waste of sealing materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0025] Figure 2 It is a partial exploded cross-sectional view of the valve plate, the self-adjusting sealing component and the temperature control component in the present invention;

[0026] Figure 3 for Figure 2 The enlarged schematic diagram of the middle A part;

[0027] Figure 4 It is a schematic diagram of the disassembly of the valve plate, the self-adjusting sealing component and the temperature control component in the present invention;

[0028] Figure 5 for Figure 4 The enlarged schematic diagram of the middle part B;

[0029] Figure 6 for Figure 4 The enlarged schematic diagram of the middle C part;

[0030] Figure 7 It is a cross-sectional view of the temperature control component in the present invention.

[0031] 1. Valve plate; 2. Self-adjusting sealing assembly; 21. Elastic sealing convex strip; 22. Elastic sealing concave strip; 23. Pressure sensor; 24. PLC controller; 25. Air pump; 26. Air pipe; 27. Inflating tank; 28. Electronic timer; 29. ​​Alarm; 3. Temperature control assembly; 31. Cold water box; 32. L-shaped water cavity strip; 33. Semiconductor refrigeration plate; 34. First water pump; 35. Water supply pipe; 36. Return pipe; 37. Connecting pipe; 38. Temperature sensor; 39. Warm water box; 310. S-shaped heating pipe; 311. Second water pump; 312. Water supply pipe; 313. Return pipe; 4. Perforation; 5. Valve drive mechanism; 51. Guide rod; 52. First valve drive arm; 53. Second valve drive arm. DETAILED DESCRIPTION

[0032] The above and other technical features and advantages of the present invention are described in more detail below in conjunction with the accompanying drawings.

[0033] The present invention provides a technical solution: a power cabinet valve mechanism, such as Figure 1 , Figure 2 , Figure 3 and Figure 5 As shown, it includes two valve plates 1 and a self-adjusting sealing assembly 2. Valve driving mechanisms 5 are arranged on both sides of the two valve plates 1. The valve driving mechanisms 5 include two guide rods 51, a first valve driving arm 52 and a second valve driving arm 53. Both sides of the two valve plates 1 are slidably installed on the outside of the two guide rods 51 through a sliding frame. The first valve driving arm 52 and the second valve driving arm 53 are respectively installed on both sides of the two valve plates 1. The self-adjusting sealing assembly 2 is arranged between the two valve plates 1, mainly to seal the edges of the two valve plates 1 when they are closed. The self-adjusting sealing assembly 2 includes a tightness adjusting member, which is used to adjust the tightness of the sealing, so as to improve the sealing performance and effectively prevent the medium from Leakage, the tightness adjustment part includes an elastic sealing convex strip 21, an elastic sealing concave strip 22, multiple pressure sensors 23, a PLC controller 24, two air pumps 25 and two air pipes 26. The multiple pressure sensors 23 and the two air pumps 25 are connected to the PLC controller 24 through existing technology, and a pressure setting value is set in advance in the PLC controller 24. When the pressure value detected by the pressure sensor 23 is lower than the setting value, it means that the sealing of the elastic sealing convex strip 21 and the elastic sealing concave strip 22 is insufficient, and the PLC controller 24 controls the air pump 25 to start. When the pressure value detected by the pressure sensor 23 is equal to the setting value, the PLC controller 24 controls the air pump 25 to shut down.

[0034] like Figure 1 , Figure 2 , Figure 3 and Figure 5As shown, an inflation groove 27 is provided inside the elastic sealing convex strip 21 and the elastic sealing concave strip 22. The outer sides of the elastic sealing convex strip 21 and the elastic sealing concave strip 22 are wrapped with hard materials to prevent the outer sides from deforming and bulging when inflated. The inner sides are elastic sealing materials, which can bulge inwards when inflated to increase the extrusion tightness. The elastic sealing convex strip 21 and the elastic sealing concave strip 22 are respectively fixed on the opposite sides of the two valve plates 1, and multiple pressure sensors 23 are arranged on the outside of the elastic sealing convex strip 21. The PLC controller 24 is fixed on the front side of one of the valve plates 1. The two air pumps 25 are respectively fixed on the front side of the two valve plates 1 through the connecting frame. One end of the two air supply pipes 26 is respectively fixedly connected to the air outlet end of the two air pumps 25, and the other ends of the two air supply pipes 26 extend to the inside of the two inflation grooves 27. The air inlet ends of the two air pumps 25 are provided with dust filters, which can be screwed to the air inlet end in a spiral installation manner so that they can be disassembled, replaced and cleaned later.

[0035] like Figure 1 , Figure 2 , Figure 3 and Figure 5 As shown, the self-adjusting sealing assembly 2 also includes two damage monitoring components, which are respectively fixed on the front sides of the two valve plates 1. The two damage monitoring components are respectively used to monitor in real time whether the elastic sealing convex strip 21 and the elastic sealing concave strip 22 are damaged or aged, so that when the elastic sealing convex strip 21 and the elastic sealing concave strip 22 are damaged or aged, they can be replaced in time to avoid long-term impact on the normal sealing effect of the valve plate 1 due to failure to find the problem in time. The damage monitoring component includes an electronic timer 28 and an alarm 29. The electronic timer 28 and the alarm 29 are both connected to the PLC controller 24 through the existing technology. A threshold is set in the PLC controller 24. When the timing time of the electronic timer 28 exceeds the set value, the PLC controller 24 will start the alarm 29. When the PLC controller 24 controls the start and stop of the air pump 25, the electronic timer 28 is started and stopped together, and the inflation time of the air pump 25 is timed in real time. The electronic timer 28 is connected to the alarm 29 and the electronic timer 28 is connected to the air pump 25.

[0036] When the two valve plates 1 are controlled to close by the first valve driving arm 52 and the second valve driving arm 53, the elastic sealing ridge 21 will be correspondingly inserted into the elastic sealing groove 22. At this time, the pressure sensor 23 will be in the middle of the inner wall where the elastic sealing ridge 21 and the elastic sealing groove 22 are in contact with each other. The inner wall squeezes the pressure sensor 23 and applies a certain pressure. If the pressure value detected by the pressure sensor 23 is less than the set value in the PLC controller 24, it means that the sealing is low and the sealing strength is insufficient. The PLC controller 24 starts the air pump 25 to draw external air into the inflation groove 27. Under the filling of gas, the gap between the elastic sealing ridge 21 and the elastic sealing groove 22 will be filled, eliminating the existence of the gap, increasing the sealing effect, ensuring that the sealing performance is always maintained in the best state, and squeezing the inner walls in contact with each other. As the pressure increases, the pressure value detected by the pressure sensor 23 rises accordingly. After reaching the set value, the PLC controller 24 transmits a signal to the air pump 25, and the air pump 25 is turned off and no longer filled with gas. When the air pump 25 is started, the electronic timer 28 starts timing. If the air pump 25 inflates the inflation groove 27 for a long time and still fails to increase the pressure value of the pressure sensor 23 to the set value, causing the air pump 25 to be turned off, it means that the elastic sealing convex strip 21 and the elastic sealing concave strip 22 are damaged and aged. After the timing of the electronic timer 28 reaches the set value of the PLC controller 24, the alarm 29 will be activated to promptly inform the staff of the use status of the elastic sealing convex strip 21 and the elastic sealing concave strip 22, so that they can be replaced in time to avoid long-term failure to discover the use status of the two and affecting the sealing effect.

[0037] like Figure 1 , Figure 2 , Figure 3 and Figure 5 As shown, a temperature control component 3 is fixed to the front of the two valve plates 1, and a plurality of through holes 4 are provided inside the two valve plates 1. The two temperature control components 3 are respectively used to maintain the temperature range of the elastic sealing ridge 21 and the elastic sealing groove 22, and monitor the temperature of the elastic sealing ridge 21 and the elastic sealing groove 22 in real time. High or low temperature will affect the performance of both, and extreme temperature will cause aging or embrittlement of both, thereby reducing the service life of both. The temperature control component 3 includes a cooling component for reducing the surface temperature of the elastic sealing ridge 21 and the elastic sealing groove 22.

[0038] like Figure 2 , Figure 3 , Figure 4 , Figure 6 and Figure 7As shown, the cooling component includes a cold water box 31, two L-shaped water cavity strips 32, a semiconductor cooling sheet 33, a first water pump 34, a water supply pipe 35, a return pipe 36, a plurality of connecting pipes 37 and a plurality of temperature sensors 38. The temperature sensor 38, the semiconductor cooling sheet 33 and the first water pump 34 are all connected to each other through the existing technology and the PLC controller 24. The PLC controller 24 is provided with a temperature threshold. When the temperature detected by the temperature sensor 38 reaches the maximum value, the PLC controller 24 will start the semiconductor cooling sheet 33 and the first water pump 34 are started, the semiconductor cooling sheet 33 cools the water source in the cold water box 31, the first water pump 34 sends the low-temperature water source to the L-shaped water cavity strip 32, and the low-temperature water source is used to cool the elastic sealing convex strip 21 and the elastic sealing concave strip 22. The cold water box 31 is fixed to the front of the valve plate 1, and the semiconductor cooling sheet 33 is fixed inside the cold water box 31, which can quickly cool the water source. A plurality of connecting pipes 37 are fixed between the two L-shaped water cavity strips 32, and the plurality of connecting pipes 37 are respectively penetrated through a plurality of through holes 4 The two L-shaped water cavity strips 32 in the upper cooling member are respectively fixed on the elastic sealing convex strip 21, and the two L-shaped water cavity strips 32 in the lower cooling member are respectively fixed on the elastic sealing concave strip 22. The connecting pipe 37 connects the internal spaces of the two L-shaped water cavity strips 32. When the water source passes through, the water source in one of the L-shaped water cavity strips 32 is led to the other L-shaped water cavity strip 32 through the connecting pipe 37. The first water pump 34 is fixed to one side of the cold water box 31, and one end of the water supply pipe 35 is fixed to the first water pump 3 4, one end of the return pipe 36 is fixed to the inside of the cold water box 31, the other end of the water supply pipe 35 and the other end of the return pipe 36 are extended to the inside of one of the L-shaped water cavity strips 32, and electromagnetic valves are arranged in the water supply pipe 35 and the return pipe 36. The switch of the electromagnetic valve depends on the switch of the first water pump 34. A plurality of temperature sensors 38 are respectively fixed to the inner sides of the two L-shaped water cavity strips 32, and the temperature sensors 38 are attached to the elastic sealing convex strip 21 and the elastic sealing concave strip 22 to monitor the surface temperature of the two in real time.

[0039] like Figure 2 , Figure 3 , Figure 4 , Figure 6 and Figure 7As shown, the temperature control component 3 also includes a heating component, which is arranged on one side of the cooling component. The heating component is used to increase the surface temperature of the elastic sealing convex strip 21 and the elastic sealing concave strip 22. The heating component includes a warm water box 39, an S-shaped heating pipe 310, a second water pump 311, a water pipe 312 and a return pipe 313. The S-shaped heating pipe 310 and the second water pump 311 are both connected to each other through the existing technology and the PLC controller 24. When the temperature detected by the temperature sensor 38 is the lowest value, the PLC controller 24 will start the second water pump 311 and the S-shaped heating pipe 310, and fill the L-shaped water cavity strip 32 with warm water to control the elastic sealing The surface temperature of the convex strip 21 and the elastic sealing concave strip 22, the warm water box 39 is fixed to one side of the cold water box 31, the S-shaped heating tube 310 is fixed to the inside of the warm water box 39, the second water pump 311 is fixed to one side of the warm water box 39, one end of the water supply pipe 312 is fixed to the water outlet end of the second water pump 311, one end of the return pipe 313 is fixed to the inside of the warm water box 39, the other end of the water supply pipe 312 and the other end of the return pipe 313 both extend to the inside of one of the L-shaped water cavity strips 32, and solenoid valves are provided in the water supply pipe 312 and the return pipe 313, and the switch of the solenoid valve is determined by the switch of the second water pump 311.

[0040] The temperature sensor 38 monitors the temperature of the elastic sealing convex strip 21 and the elastic sealing concave strip 22 in real time, and transmits the detected temperature value to the PLC controller 24. If in a low temperature environment, the temperature detected by the temperature sensor 38 is lower than the set minimum threshold value, the second water pump 311, the S-shaped heating pipe 310, the solenoid valves in the water supply pipe 312 and the return pipe 313 will all be opened. After the S-shaped heating pipe 310 heats the water source and raises the temperature, the warm water is sent to the L-shaped water cavity strip 32 through the second water pump 311 and the water supply pipe 312. The water originally in the L-shaped water cavity strip 32 will enter the warm water box 39 through the return pipe 313 to continue to be heated for use. The warm water enters the L-shaped water cavity strip 32 and transmits the heat to the elastic sealing convex strip 21 and the elastic sealing concave strip 22. Conversely, if in a high temperature environment, the temperature sensor 38 will detect the temperature below the set minimum threshold value, and the second water pump 311, the S-shaped heating pipe 310, the water supply pipe 312 and the return pipe 313 will all be opened. When the temperature detected by the sensor 38 is higher than the set maximum threshold, the solenoid valves in the first water pump 34, the semiconductor refrigeration sheet 33, the water supply pipe 35 and the return pipe 36 will all be opened. After the semiconductor refrigeration sheet 33 cools the water source, the low-temperature water is sent to the L-shaped water cavity strip 32 through the first water pump 34 and the water supply pipe 35. The water originally in the L-shaped water cavity strip 32 will enter the cold water box 31 through the return pipe 36 to continue to cool down for use. The cold water entering the L-shaped water cavity strip 32 will reduce the temperature on the elastic sealing convex strip 21 and the elastic sealing concave strip 22, thereby maintaining the temperature of the elastic sealing convex strip 21 and the elastic sealing concave strip 22 within a stable range, preventing the influence of high or low temperature on the elastic sealing convex strip 21 and the elastic sealing concave strip 22, and avoiding aging or embrittlement of the materials of both, thereby extending their service life.

[0041] A method for using a valve mechanism of a power cabinet comprises the following steps:

[0042] Step 1: When the two valve plates 1 are closed, the elastic sealing convex strip 21 is inserted into the elastic sealing concave strip 22, and the pressure sensor 23 determines whether the sealing performance of the two valve plates meets the standard according to the real-time monitored pressure value, and if it does not meet the standard, the air pump 25 is started by the PLC controller 24 to draw external air into the inflation groove 27 until the pressure value monitored by the pressure sensor 23 rises to the set value and closes, thereby avoiding leakage caused by the two valve plates 1 not being closed tightly;

[0043] Step 2: When the air pump 25 is started, the electronic timer 28 is started at the same time. If the air pump 25 inflates the air inflating groove 27 for a long time and still fails to raise the pressure value of the pressure sensor 23 to the set value, causing the air pump 25 to be shut down, after the timing of the electronic timer 28 reaches the set value of the PLC controller 24, the alarm 29 will be activated to inform the staff of the use status of the elastic sealing convex strip 21 and the elastic sealing concave strip 22 in time;

[0044] Step 3: The temperature sensor 38 monitors the temperature of the elastic sealing convex strip 21 and the elastic sealing concave strip 22 in real time. When the temperature is low, warm water is delivered to the L-shaped water cavity strip 32 through the second water pump 311 and the water delivery pipe 312. On the contrary, when the temperature is high, low-temperature water is delivered to the L-shaped water cavity strip 32 through the first water pump 34 and the water delivery pipe 35. In this way, the temperature of the elastic sealing convex strip 21 and the elastic sealing concave strip 22 is maintained in a stable range to prevent the influence of high or low temperature on the two, thereby extending their service life.

[0045] The above description is only a preferred embodiment of the present invention, which is only illustrative and not restrictive of the present invention. Those skilled in the art understand that many changes, modifications, and even equivalences may be made to the present invention within the spirit and scope defined by the claims of the present invention, but all of them will fall within the scope of protection of the present invention.

Claims

1. A valve mechanism for a power cabinet, characterized in that: include: two valve plates (1); A self-adjusting sealing component (2), the self-adjusting sealing component (2) being arranged between the two valve plates (1), the self-adjusting sealing component (2) comprising a tightness adjusting member, the tightness adjusting member being used to adjust the tightness of the sealing performance, the tightness adjusting member comprising an elastic sealing convex strip (21), an elastic sealing concave strip (22), a plurality of pressure sensors (23), a PLC controller (24), two air pumps (25) and two air delivery pipes (26); An air filling groove (27) is provided inside the elastic sealing convex strip (21) and inside the elastic sealing concave strip (22); the elastic sealing convex strip (21) and the elastic sealing concave strip (22) are respectively fixed to opposite sides of the two valve plates (1); a plurality of pressure sensors (23) are arranged outside the elastic sealing convex strip (21); the PLC controller (24) is fixed to the front side of one of the valve plates (1); the two air pumps (25) are respectively fixed to the front sides of the two valve plates (1) via a connecting frame; one end of the two air supply pipes (26) is respectively fixedly connected to the air outlet ends of the two air pumps (25); and the other ends of the two air supply pipes (26) extend to the inside of the two air filling grooves (27); A temperature control component (3) is fixed on the front of the two valve plates (1), and a plurality of through holes (4) are provided inside the two valve plates (1). The two temperature control components (3) are respectively used to maintain the temperature range of the elastic sealing convex strip (21) and the elastic sealing concave strip (22), and the temperature control component (3) includes a cooling element for reducing the surface temperature of the elastic sealing convex strip (21) and the elastic sealing concave strip (22); The cooling component comprises a cold water box (31), two L-shaped water cavity strips (32), a semiconductor cooling sheet (33), a first water pump (34), a water supply pipe (35), a water return pipe (36), a plurality of connecting pipes (37) and a plurality of temperature sensors (38); The cold water box (31) is fixed to the front side of the valve plate (1), the semiconductor cooling sheet (33) is fixed to the inside of the cold water box (31), the plurality of connecting pipes (37) are fixed between the two L-shaped water cavity strips (32), and the plurality of connecting pipes (37) are respectively passed through the inside of the plurality of through holes (4), the first water pump (34) is fixed to one side of the cold water box (31), one end of the water supply pipe (35) is fixed to the water outlet end of the first water pump (34), one end of the water return pipe (36) is fixed to the inside of the cold water box (31), the other end of the water supply pipe (35) and the other end of the water return pipe (36) are both extended to the inside of one of the L-shaped water cavity strips (32), and the plurality of temperature sensors (38) are respectively fixed to the inner sides of the two L-shaped water cavity strips (32); The temperature control component (3) further comprises a heating component, the heating component being arranged on one side of the temperature reducing component, the heating component being used to increase the surface temperature of the elastic sealing convex strip (21) and the elastic sealing concave strip (22); The temperature-raising component comprises a warm water box (39), an S-shaped heating pipe (310), a second water pump (311), a water delivery pipe (312) and a return pipe (313); the warm water box (39) is fixed to one side of the cold water box (31); the S-shaped heating pipe (310) is fixed to the inside of the warm water box (39); the second water pump (311) is fixed to one side of the warm water box (39); one end of the water delivery pipe (312) is fixed to the water outlet end of the second water pump (311); one end of the return pipe (313) is fixed to the inside of the warm water box (39); and the other end of the water delivery pipe (312) and the other end of the return pipe (313) both extend to the inside of one of the L-shaped water cavity strips (32).

2. A power cabinet valve mechanism as claimed in claim 1, characterized in that: The self-adjusting sealing assembly (2) further comprises two damage monitoring components, the two damage monitoring components being fixed to the front sides of the two valve plates (1) respectively, and the two damage monitoring components being used to respectively monitor in real time whether the elastic sealing convex strip (21) and the elastic sealing concave strip (22) are damaged or aged.

3. A power cabinet valve mechanism as claimed in claim 2, characterized in that: The damage monitoring component comprises an electronic timer (28) and an alarm (29), the electronic timer (28) and the alarm (29) are communicatively connected to each other, and the electronic timer (28) and the air pump (25) are communicatively connected to each other.

4. A power cabinet valve mechanism as claimed in claim 3, characterized in that: A valve driving mechanism (5) is provided on both sides of the two valve plates (1), and the valve driving mechanism (5) comprises two guide rods (51), a first valve driving arm (52) and a second valve driving arm (53). Both sides of the two valve plates (1) are slidably mounted on the outside of the two guide rods (51) via a sliding frame, and the first valve driving arm (52) and the second valve driving arm (53) are respectively mounted on both sides of the two valve plates (1).

5. A method for using a valve mechanism of a power cabinet, characterized in that: The method of use is applied to the power cabinet valve mechanism as claimed in claim 4, comprising the following steps: Step 1: When the two valve plates (1) are closed, the elastic sealing convex strip (21) is inserted into the elastic sealing concave strip (22), and the pressure sensor (23) determines whether the sealing performance of the two valve plates meets the standard according to the pressure value monitored in real time, and if the standard is not met, the air pump (25) is started through the PLC controller (24) to draw external air into the inflation groove (27) until the pressure value monitored by the pressure sensor (23) rises to the set value and closes, thereby avoiding leakage caused by the two valve plates (1) not being closed tightly; Step 2: When the air pump (25) is started, the electronic timer (28) is started at the same time. If the air pump (25) continues to inflate the air in the inflatable groove (27) for a long time and still fails to raise the pressure value received by the pressure sensor (23) to the set value, causing the air pump (25) to be shut down, the alarm (29) will be activated after the timing time of the electronic timer (28) reaches the set value of the PLC controller (24), and promptly inform the staff of the use status of the elastic sealing convex strip (21) and the elastic sealing concave strip (22); Step 3: The temperature sensor (38) monitors the temperature of the elastic sealing convex strip (21) and the elastic sealing concave strip (22) in real time. When the temperature is low, warm water is delivered to the L-shaped water cavity strip (32) through the second water pump (311) and the water delivery pipe (312). Conversely, when the temperature is high, low-temperature water is delivered to the L-shaped water cavity strip (32) through the first water pump (34) and the water delivery pipe (35). In this way, the temperature of the elastic sealing convex strip (21) and the elastic sealing concave strip (22) is maintained within a stable range, thereby preventing the influence of high or low temperature on the two, thereby extending their service life.

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