Intelligent electric cabinet with partial discharge detection function

Abstract

The invention discloses an intelligent electric cabinet with a partial discharge detection function, and relates to the technical field of electric power safety, the intelligent electric cabinet comprises a cabinet body and a detection assembly, gas generated by partial discharge contacts with a micropore disc beside a detection chamber, the gas permeation rate is controlled, the flow velocity problem is prevented from interfering the subsequent detection precision, a filter disc plays a dustproof role, and the detection precision is improved. A signal transmitting unit transmits information; a motor is started to drive a connecting cylinder to rotate; a gear at one end of a moving cylinder is meshed with an annular toothed plate of a filter disc by virtue of a telescopic spring, the filter disc is driven to rotate, and a reset spring is stretched; when the gear touches the limiting seat and is extruded by the cooperation of the inclined surface and the top seat to be separated from the toothed plate, the filter disc is reset under the action of the reset spring, then the gear is meshed again, dust is repeatedly shaken off, the overall air permeability is maintained, the automatic detection function is achieved, and self-maintenance can be conducted.

Description

Technical Field

[0001] The present invention relates to the technical field of power safety, and particularly to an intelligent electric cabinet with a partial discharge detection function. Background Art

[0002] As a key device for power distribution and control, the safe and stable operation of the electric cabinet plays a crucial role in ensuring the reliability of the entire power network. With the continuous growth of power demand and the increasing complexity of the power grid, the electric cabinet has been operating under high voltage and large current conditions for a long time, and various insulation problems have gradually emerged.

[0003] Traditional electric cabinets are mainly designed to focus on basic power distribution, on-off control, and a certain degree of physical protection functions. Their insulation condition monitoring methods are relatively simple, mostly relying on regular manual inspections. Maintenance personnel judge the insulation condition inside the electric cabinet by visually checking whether there are abnormal discharge marks on the appearance of the electric cabinet, smelling whether there is an odor generated by overheating of electrical equipment or burning of insulating materials, and regularly measuring the insulation resistance using a simple handheld megohmmeter. However, the period of manual inspection is relatively long, usually at intervals of several weeks or even months. This means that during the period between two inspections, initial faults such as insulation deterioration and partial discharge may have occurred inside the electric cabinet quietly but cannot be detected in time. With the continuous development of partial discharge, it will gradually erode the insulating material, causing further deterioration of the insulation performance, and ultimately may trigger a short-circuit fault in the electric cabinet, resulting in a large-area power outage accident, bringing huge losses to production and life. Therefore, we propose an intelligent electric cabinet with a partial discharge detection function to solve the above problems. Summary of the Invention

[0004] The purpose of the present invention is to provide an intelligent electric cabinet with a partial discharge detection function to solve the problem of difficult timely detection of partial discharge in the above background art.

[0005] To achieve the above invention purpose, the present invention adopts the following technical solutions: An intelligent electric cabinet with a partial discharge detection function provided by the present invention includes a cabinet body. A detection component is arranged inside the cabinet body. The detection component includes a detection chamber. An ozone sensor is arranged inside the detection chamber. One side of the detection chamber close to the center of the cabinet body is fixedly connected with a microporous disk. An assembly cylinder is sleeved on one side of the detection chamber close to the center of the cabinet body. An assembly ring groove is arranged on the inner wall of the end of the assembly cylinder far away from the detection chamber. A filter disk is arranged inside the assembly ring groove. The filter disk coincides with the axis of the microporous disk. A return spring is arranged between the filter disk and the inner wall of the assembly cylinder. A ring gear plate is fixedly connected to one side of the filter disk close to the microporous disk. An assembly groove is arranged on the inner wall of the assembly cylinder. The tail of the motor is fixedly connected to the bottom of the inner cavity of the assembly groove. The motor is arranged on one side of the ring gear plate. The output end of the motor is fixedly connected with a connecting cylinder. A moving cylinder is sleeved on the end of the connecting cylinder far away from the motor. The moving cylinder is slidably connected with the inner wall of the connecting cylinder. A telescopic spring is arranged between the moving cylinder and the connecting cylinder. A gear is fixedly connected to the end of the moving cylinder far away from the connecting cylinder. The gear is meshed with the ring gear plate. A limiting seat is fixedly connected to one end of the ring gear plate close to the return spring. A top seat is fixedly connected to the top of the gear. The top seat is slidably connected with the limiting seat.

[0006] Preferably, a cabinet door is hinged on one side of the cabinet body. A signal transmitting unit is installed on the surface of the cabinet door. An installation rack is fixedly connected to the inner wall of the cabinet body.

[0007] Preferably, one end of the detection chamber is fixedly connected with a fixing plate. The side of the fixing plate far away from the detection chamber is fixedly connected with the inner wall of the cabinet body.

[0008] Preferably, the assembly cylinder is fixedly sleeved with the detection chamber.

[0009] Preferably, the periphery of the filter disk is rotatably connected with the inner wall of the assembly ring groove.

[0010] Preferably, two fixing ring grooves are arranged around the filter disk. A plurality of uniformly distributed balls are installed in the inner cavity of one fixing ring groove. The side of the ball far away from the filter disk contacts with the bottom of the inner cavity of the assembly ring groove. A sealing ring is sleeved inside one fixing ring groove. The outer ring wall of the sealing ring contacts with the inner wall of the assembly ring groove.

[0011] Preferably, one end of the telescopic spring is fixedly connected with the bottom of the inner cavity of the moving cylinder. The other end of the telescopic spring is fixedly connected with the bottom of the inner cavity of the connecting cylinder.

[0012] Preferably, a first fixing seat is fixedly connected to one side of the filter disk close to the microporous disk. A positioning cylinder is fixedly connected to one side of the first fixing seat. The return spring is placed inside the positioning cylinder.

[0013] Preferably, a second fixing seat is provided at one end of the return spring away from the positioning cylinder. One end of the second fixing seat is fixedly connected to the inner wall of the assembly cylinder, and a connection groove is formed at the other end of the second fixing seat. One end of the return spring is fixedly connected to the bottom of the inner cavity of the positioning cylinder, and the other end of the return spring is fixedly connected to the bottom of the inner cavity of the connection groove.

[0014] Preferably, an inclined surface is provided on one side of the limiting seat close to the outer ring of the filter disc, and the top seat is slidably connected to the limiting seat through the inclined surface.

[0015] Compared with the prior art, the above one or more technical solutions have the following beneficial effects: The present invention includes a detection component built into the electric cabinet. When partial discharge occurs inside, insulating materials will decompose to generate characteristic gases such as ozone and carbon monoxide. These gases will contact the microporous disc beside the detection chamber, control the gas penetration rate, and allow fine gas molecules to enter the closed detection chamber at a uniform and slow flow rate, avoiding interference with subsequent detection accuracy caused by flow rate problems and ensuring that the entering gas state is stable and suitable for detection. The filter disc plays a dust-proof role. Its relatively large aperture allows the target gas to pass through smoothly, and at the same time can block dust particles in the electric cabinet. Once a large amount of dust floods into the detection chamber, it will not only adhere to the surface of the ozone sensor, reducing its sensitivity and causing detection deviation, but may also block the holes of the microporous disc, hinder gas penetration, and damage the detection mechanism. The ozone sensor and other devices in the detection chamber can then accurately detect. Once the concentration of the characteristic gas rises abnormally, it indicates that there is partial discharge, and the signal emission unit will immediately send out information; To ensure the continuous and effective operation of the filter disc, an automatic dust cleaning structure is provided. When the motor starts, it drives the connection cylinder to rotate. With the help of the telescopic spring, the gear at one end of the moving cylinder meshes with the annular toothed plate of the filter disc, driving the filter disc to rotate and stretching the return spring. When the gear touches the limiting seat, it is squeezed by the cooperation of the inclined surface and the top seat to disengage from the toothed plate, and the filter disc returns to its original position under the action of the return spring. Then the gear meshes again, and so on, shaking off the dust and maintaining the air permeability. Moreover, the airflow disturbance generated by the rotation can also assist in cleaning the dust around the microporous disc, reducing the maintenance cost and improving the intelligent management level of the electric cabinet. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The specification drawings forming a part of the present invention are used to provide a further understanding of the present invention. The schematic embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation to the present invention.

[0017] Figure 1 is a schematic diagram of the overall structure proposed according to an embodiment of the present invention; Figure 2 is a schematic diagram of the internal structure of the cabinet proposed according to an embodiment of the present invention; Figure 3 is proposed according to an embodiment of the present inventionFigure 2 Schematic diagram of the enlarged structure at A in the middle; Figure 4 Schematic diagram of the explosion structure of the detection component proposed according to an embodiment of the present invention; Figure 5 Schematic diagram of the explosion structure of the microporous disk and the filter disk proposed according to an embodiment of the present invention; Figure 6 Schematic diagram of the assembly structure of the assembly cylinder and the filter disk proposed according to an embodiment of the present invention; Figure 7 Schematic diagram of the assembly structure of the filter disk and the elastic member proposed according to an embodiment of the present invention.

[0018] In the figure: 1, cabinet body; 101, cabinet door; 102, signal transmitting unit; 103, mounting rack; 2, detection component; 201, detection chamber; 202, fixing plate; 203, microporous disk; 204, assembly cylinder; 205, assembly ring groove; 206, filter disk; 207, fixing ring groove; 208, ball; 209, sealing ring; 210, first fixing seat; 211, positioning cylinder; 212, return spring; 213, second fixing seat; 214, connection groove; 215, annular toothed plate; 216, motor; 217, assembly groove; 218, connection cylinder; 219, moving cylinder; 220, telescopic spring; 221, gear; 222, limiting seat; 223, inclined surface; 224, top seat. Specific embodiments

[0019] In order to enable those skilled in the art to better understand the solution of this application, the technical solutions in the embodiments of this application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of this application. Obviously, the described embodiments are only a part of the embodiments of this application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of this application.

[0020] Please refer to Figures 1-7, the present invention provides an intelligent electric cabinet with a partial discharge detection function, including a cabinet body 1, on one side of the cabinet body 1, a cabinet door 101 is hinged, a signal transmitting unit 102 is installed on the surface of the cabinet door 101, an installation frame 103 is fixedly connected to the inner wall of the cabinet body 1, a detection component 2 is arranged inside the cabinet body 1, the detection component 2 includes a detection chamber 201, one end of the detection chamber 201 is fixedly connected with a fixing plate 202, the side of the fixing plate 202 away from the detection chamber 201 is fixedly connected with the inner wall of the cabinet body 1, an ozone sensor is arranged inside the detection chamber 201, a microporous disc 203 is fixedly connected to the side of the detection chamber 201 close to the center of the cabinet body 1. If partial discharge occurs in the electric cabinet, insulating materials decompose to generate characteristic gases such as ozone and carbon monoxide. The gas in the electric cabinet slowly and evenly penetrates into the closed detection chamber 201 through the microporous disc 203 (hole diameter 50 - 200 microns, hole spacing is uniform). The microporous disc 203 is like a delicate sieve, precisely regulating the gas penetration rate into the detection chamber, ensuring that only fine gas molecules can enter at an appropriate flow rate, avoiding affecting the subsequent detection accuracy.

[0021] Please refer specifically to Figure 4 , Figure 5 , on the side of the detection chamber 20? close to the center of the cabinet body 1, an assembly cylinder 204 is sleeved, the assembly cylinder 204 is fixedly sleeved with the detection chamber 201, an assembly ring groove 205 is opened on the inner wall of the end of the assembly cylinder 204 away from the detection chamber 201, a filter disc 206 is arranged inside the assembly ring groove 205, the periphery of the filter disc 206 is rotatably connected with the inner wall of the assembly ring groove 205, two fixing ring grooves 207 are opened on the periphery of the filter disc 206, a plurality of uniformly distributed balls 208 are installed inside one fixing ring groove 207, the side of the ball 208 away from the filter disc 206 contacts the bottom of the inner cavity of the assembly ring groove 205, a sealing ring 209 is sleeved inside one fixing ring groove 207, the outer ring wall of the sealing ring 209 contacts the inner wall of the assembly ring groove 205, the axis of the filter disc 206 coincides with that of the microporous disc 203. While the larger pore diameter of the filter disc 206 allows the target gas to pass smoothly, it keeps the dust particles floating in the electric cabinet out. If a large amount of dust floods into the detection chamber, it may not only adhere to the surface of the ozone sensor, reducing the sensor sensitivity and causing detection deviation, but even block the tiny holes of the microporous disc 203, hindering the normal gas penetration and damaging the entire detection mechanism. The two work together to ensure that the gas entering the detection chamber is pure and has an appropriate flow rate, laying a foundation for subsequent accurate detection. The gas detection devices such as the ozone sensor in the detection chamber 201 detect the entering gas. When it detects that the concentration of the characteristic gas rises abnormally, it indicates that there is a partial discharge situation in the electric cabinet, and the signal transmitting unit 102 will transmit the detected information.

[0022] Please refer specifically to Figure 6 , Figure 7 It should be noted that there seems to be a typo in the original text where "detection chamber 20?" is mentioned. It should probably be "detection chamber 201". This has been translated as accurately as possible based on the context., a return spring 212 is provided between the inner wall of the filter disc 206 and the inner wall of the assembly cylinder 204. A first fixing seat 210 is fixedly connected to the side of the filter disc 206 close to the microporous disc 203. A positioning cylinder 211 is fixedly connected to one side of the first fixing seat 210. The return spring 212 is placed inside the positioning cylinder 211. A second fixing seat 213 is provided at one end of the return spring 212 away from the positioning cylinder 211. One end of the second fixing seat 213 is fixedly connected to the inner wall of the assembly cylinder 204. A connecting groove 214 is provided at the other end of the second fixing seat 213. One end of the return spring 212 is fixedly connected to the bottom of the inner cavity of the positioning cylinder 211, and the other end of the return spring 212 is fixedly connected to the bottom of the inner cavity of the connecting groove 214. An annular toothed plate 215 is fixedly connected to the side of the filter disc 206 close to the microporous disc 203. A motor 216 is provided on the side of the annular toothed plate 215 away from the filter disc 206. An assembly groove 217 is provided on one side of the inner wall of the assembly cylinder 204. The tail of the motor 216 is fixedly connected to the bottom of the inner cavity of the assembly groove 217. The output end of the motor 216 is fixedly connected to a connecting cylinder 218. A moving cylinder 219 is sleeved at one end of the connecting cylinder 218 away from the motor 216. The moving cylinder 219 is slidably connected to the inner wall of the connecting cylinder 218, and the moving cylinder 219 is not rotationally connected to the connecting cylinder 218. A telescopic spring 220 is provided between the moving cylinder 219 and the connecting cylinder 218. One end of the telescopic spring 220 is fixedly connected to the bottom of the inner cavity of the moving cylinder 219, and the other end of the telescopic spring 220 is fixedly connected to the bottom of the inner cavity of the connecting cylinder 218. A gear 221 is fixedly connected to the end of the moving cylinder 219 away from the connecting cylinder 218. The gear 221 is meshed with the annular toothed plate 215. A limiting seat 222 is fixedly connected to the end of the annular toothed plate 215 close to the return spring 212. An inclined surface 223 is provided on the side of the limiting seat 222 close to the outer ring of the filter disc 206. A top seat 224 is fixedly connected to the top of the gear 221. The top seat 224 is slidably connected to the limiting seat 222 through the inclined surface 223. When the motor 216 is started, its output end drives the connecting cylinder 218 to rotate. The connecting cylinder 218 is connected to the moving cylinder 219 through the telescopic spring 220, and the moving cylinder 219 drives the gear 221 to rotate. The gear 221 is meshed with the annular toothed plate 215, thereby driving the annular toothed plate 215 and the filter disc 206 fixed thereon to rotate. During the rotation of the filter disc 206, the return spring 212 is stretched. When the gear 221 rotates to contact the limiting seat 222, due to the cooperation between the inclined surface 223 on the limiting seat 222 and the top seat 224 on the top of the gear 221, the gear 221 is squeezed, thereby compressing the telescopic spring 220 and moving downward, and the gear 221 is disengaged from the annular toothed plate 215. At this time, the filter disc 206 returns to its initial position under the pulling force of the return spring 212. Then, the gear 221 moves upward under the drive of the telescopic spring 220 and meshes with the annular toothed plate 215 again. Such repeated actions cause the filter disc 206 to continuously rotate, thereby shaking off the dust blocked on its surface, maintaining the air permeability of the filter disc 206, and ensuring the continuous and stable penetration of gas.

[0023] By setting up a closed gas detection chamber and a special air-permeable structure inside the electrical cabinet, characteristic gases generated by partial discharge can be captured in a timely manner. Compared with traditional methods, partial discharge problems inside the electrical cabinet can be detected earlier, the expansion of faults can be avoided, the reliability of the electrical cabinet operation can be improved. The design of the microporous disk 203 ensures that gas can penetrate into the detection chamber 201 evenly and slowly, making the gas detection results more accurate and stable, reducing the detection error. The aperture of the filter disk 206 is relatively large, which can effectively block dust from entering the detection chamber 201, protect the internal gas detection equipment, and extend its service life. At the same time, by setting up an automatic dust cleaning structure composed of components such as the motor 216, gear 221, annular tooth plate 215, return spring 212, and limit seat 222, automatic cleaning of the dust on the surface of the filter disk 206 is realized, eliminating the need for frequent manual maintenance, reducing the maintenance cost and workload. When the motor 216 drives the filter disk 206 to rotate for dust cleaning, the airflow disturbance generated by its rotation can also assist in removing the dust around the microporous disk 203, further enhancing the dust prevention effect. Equipped with a signal transmitting unit 102, it can transmit the detected partial discharge information in a timely manner, facilitating remote monitoring by staff and timely problem handling, improving the intelligent management level of the electrical cabinet.

[0024] Working principle: When partial discharge occurs inside the electrical cabinet, insulating materials will decompose to generate characteristic gases such as ozone and carbon monoxide. The gas inside the electrical cabinet moves towards the detection component 2 under the action of a pressure difference, etc. The gas first contacts the microporous disk 203 on the side of the detection chamber 201 close to the center of the cabinet body 1. The microporous disk 203 is evenly distributed with holes with a diameter of 50 - 200 microns, precisely controlling the gas penetration rate, allowing fine gas molecules to pass through at a uniform and slow flow rate, avoiding the influence of too fast gas flow rate on the subsequent detection accuracy, and ensuring that the gas state entering the detection chamber 201 is stable and suitable for subsequent analysis. At the same time, the filter disk 206 coinciding with the axis of the microporous disk 203 plays a key dust prevention role. Its relatively large aperture allows the target gas to enter the detection chamber 201 smoothly, and can intercept the dust particles floating inside the electrical cabinet by virtue of its own structure. This is because if a large amount of dust floods in, on the one hand, it will adhere to the surface of the ozone sensor built in the detection chamber 201, reducing the sensitivity of the sensor to characteristic gases and resulting in deviation of the detection results; on the other hand, it may also block the tiny holes of the microporous disk 203, hindering the normal penetration of gas and damaging the entire gas detection mechanism. After the collaborative "screening" of the microporous disk 203 and the filter disk 206, pure and appropriately flowing gas enters the detection chamber 201, and gas detection equipment such as ozone sensors inside the chamber immediately detects the gas. Once the concentration of characteristic gases is detected to increase abnormally, it indicates that there is partial discharge inside the electrical cabinet.

[0025] To ensure the continuous and efficient operation of the filter disc 206, it is equipped with an automatic dust cleaning structure. The assembly cylinder 204 is fixedly connected to the detection chamber 201. Inside the assembly ring groove 205 on the inner wall at one end of the assembly cylinder 204 away from the detection chamber 201, a rotatable filter disc 206 is arranged. The filter disc 206 is in good rotational connection with the inner wall of the assembly ring groove 205 through balls 208 and a sealing ring 209 around it. On the side of the filter disc 206 close to the microporous disc 203, an annular toothed plate 215 is fixedly connected. Corresponding to it is a motor 216 fixed in the assembly groove 217 on the inner wall of the assembly cylinder 204. After the motor 216 is started, the output end drives the connecting cylinder 218 to rotate. The connecting cylinder 218 is connected to the moving cylinder 219 by means of a telescopic spring 220, enabling the moving cylinder 219 to rotate with the connecting cylinder 218 and generate a certain relative sliding. The gear 221 at one end of the moving cylinder 219 away from the connecting cylinder 218 meshes with the annular toothed plate 215 during rotation, thereby driving the annular toothed plate 215 and the filter disc 206 fixed thereon to rotate. During this process, the return spring 212 connected between the filter disc 206 and the inner wall of the assembly cylinder 204 is stretched. When the gear 221 rotates to contact the limit seat 222 near one end of the annular toothed plate 215 close to the return spring 212, since the inclined surface 223 is provided on the outer ring side of the limit seat 222 close to the filter disc 206, and the top of the gear 221 is fixedly connected with a top seat 224, and the two cooperate with each other through the inclined surface 223, the gear 221 is squeezed, compressing the telescopic spring 220 and moving downward, resulting in the gear 221 disengaging from the annular toothed plate 215. At this time, under the pulling force of the return spring 212, the filter disc 206 quickly returns to its initial position. Immediately afterwards, the gear 221 moves upward again under the elastic force of the telescopic spring 220 and meshes with the annular toothed plate 215 again. This cycle repeats, prompting the filter disc 206 to rotate continuously, shaking off the dust adsorbed or blocked on its surface, maintaining the good air permeability of the filter disc 206, ensuring that the gas continuously and stably penetrates into the detection chamber 201, and further guaranteeing the stable operation of the entire air permeable structure. When partial discharge is detected, the signal transmitting unit 102 installed on the surface of the cabinet door 101 will transmit the information in time, facilitating the staff to remotely monitor and quickly handle problems, and realizing the intelligent management of the electric cabinet.

[0026] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. An intelligent electric cabinet with a partial discharge detection function, characterized in that It includes a cabinet body (1), a detection component (2) is built in the cabinet body (1), the detection component (2) includes a detection chamber (201), an ozone sensor is built in the detection chamber (201), a microporous disk (203) is fixedly connected to one side of the detection chamber (201) close to the center of the cabinet body (1), an assembly cylinder (204) is sleeved on one side of the detection chamber (201) close to the center of the cabinet body (1), an assembly ring groove (205) is opened on the inner wall of the end of the assembly cylinder (204) away from the detection chamber (201), a filter disk (206) is built in the assembly ring groove (205), the filter disk (206) coincides with the axis of the microporous disk (203), a return spring (212) is arranged between the filter disk (206) and the inner wall of the assembly cylinder (204), a ring gear plate (215) is fixedly connected to one side of the filter disk (206) close to the microporous disk (203), an assembly groove (217) is opened on the inner wall of the assembly cylinder (204), the tail of a motor (216) is fixedly connected to the bottom of the inner cavity of the assembly groove (217), the motor (216) is arranged on one side of the ring gear plate (215), a connecting cylinder (218) is fixedly connected to the output end of the motor (216), a moving cylinder (219) is sleeved on the end of the connecting cylinder (218) away from the motor (216), the moving cylinder (219) is slidably connected to the inner wall of the connecting cylinder (218), a telescopic spring (220) is arranged between the moving cylinder (219) and the connecting cylinder (218), a gear (221) is fixedly connected to the end of the moving cylinder (219) away from the connecting cylinder (218), the gear (221) is meshed with the ring gear plate (215), a limiting seat (222) is fixedly connected to one end of the ring gear plate (215) close to the return spring (212), a top seat (224) is fixedly connected to the top of the gear (221), and the top seat (224) is slidably connected to the limiting seat (222).

2. The intelligent electric cabinet with partial discharge detection function according to claim 1, characterized in that, A cabinet door (101) is hinged to one side of the cabinet body (1), a signal transmitting unit (102) is installed on the surface of the cabinet door (101), and a mounting rack (103) is fixedly connected to the inner wall of the cabinet body (1).

3. The intelligent electric cabinet with partial discharge detection function according to claim 1, characterized in that, One end of the detection chamber (201) is fixedly connected to a fixing plate (202), and the side of the fixing plate (202) away from the detection chamber (201) is fixedly connected to the inner wall of the cabinet body (1).

4. The intelligent electric cabinet with partial discharge detection function according to claim 1, characterized in that, The assembly cylinder (204) is fixedly sleeved with the detection chamber (201).

5. The intelligent electric cabinet with partial discharge detection function according to claim 1, characterized in that, The periphery of the filter disk (206) is rotatably connected to the inner wall of the assembly ring groove (205).

6. The intelligent electric cabinet with partial discharge detection function according to claim 5, characterized in that, Two fixing ring grooves (207) are opened on the periphery of the filter disk (206), a plurality of uniformly distributed balls (208) are installed in the inner cavity of one fixing ring groove (207), the side of the ball (208) away from the filter disk (206) contacts with the bottom of the inner cavity of the assembly ring groove (205), a sealing ring (209) is sleeved inside one fixing ring groove (207), and the outer ring wall of the sealing ring (209) contacts with the inner wall of the assembly ring groove (205).

7. The intelligent electric cabinet with partial discharge detection function according to claim 1, characterized in that, One end of the telescopic spring (220) is fixedly connected to the bottom of the inner cavity of the moving cylinder (219), and the other end of the telescopic spring (220) is fixedly connected to the bottom of the inner cavity of the connecting cylinder (218).

8. The intelligent electric cabinet with a partial discharge detection function according to claim 1, characterized in that, A first fixing seat (210) is fixedly connected to one side of the filter disc (206) close to the microporous disc (203). A positioning cylinder (211) is fixedly connected to one side of the first fixing seat (210). The return spring (212) is placed inside the positioning cylinder (211).

9. The intelligent electric cabinet with a partial discharge detection function according to claim 8, characterized in that, A second fixing seat (213) is arranged at the end of the return spring (212) away from the positioning cylinder (211). One end of the second fixing seat (213) is fixedly connected to the inner wall of the assembly cylinder (204). A connecting groove (214) is formed at the other end of the second fixing seat (213). One end of the return spring (212) is fixedly connected to the bottom of the inner cavity of the positioning cylinder (211), and the other end of the return spring (212) is fixedly connected to the bottom of the inner cavity of the connecting groove (214).

10. The intelligent electric cabinet with partial discharge detection function according to claim 1, characterized in that, An inclined surface (223) is formed on one side of the outer ring of the limiting seat (asdfasdf) close to the filter disc (206). The top seat (224) is slidably connected to the limiting seat (222) through the inclined surface (223). It should be noted that there seems to be an incorrect "asdfasdf" in the original text for the "limiting seat" in . It should be corrected to the correct name before translation for more accurate results. The translation above is based on the provided text as it is.

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