Self-cleaning low-voltage outgoing line cabinet
By designing a self-cleaning low-voltage outgoing cabinet with collection, sealing, cleaning, and ventilation mechanisms, the problem of incomplete dust and moisture removal is solved, achieving stable operation and efficient heat dissipation of the equipment, and improving the reliability and safety of the equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-03
- Publication Date
- 2026-03-31
AI Technical Summary
In existing self-cleaning low-voltage outgoing switchgear, dust is easily resuspended during the cleaning process, affecting the heat dissipation efficiency and insulation performance of components, and the heat inside the switchgear is difficult to dissipate effectively, posing a safety hazard.
A self-cleaning low-voltage outgoing cabinet was designed, comprising a collection mechanism, a sealing mechanism, a cleaning mechanism, a squeezing mechanism, and a ventilation mechanism. The opening is sealed by a sliding block driven by a hydraulic cylinder, dust is cleaned by high-pressure gas, water vapor is absorbed by a sponge, and airflow is regulated by a filter screen, thereby achieving effective cleaning of dust and water vapor and heat dissipation.
It effectively collects and cleans dust, prevents moisture from affecting equipment performance, enhances heat dissipation, improves equipment operation stability and reliability, and reduces maintenance costs.
Smart Images

Figure CN121055168B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of outgoing line cabinet technology, specifically a self-cleaning low-voltage outgoing line cabinet. Background Technology
[0002] Self-cleaning low-voltage outgoing switchgear is an upgraded product of traditional low-voltage outgoing switchgear. Its core definition lies in achieving active or passive dust removal function inside the cabinet through structural optimization or additional devices. Self-cleaning low-voltage outgoing switchgear is a low-voltage power distribution equipment that integrates active cleaning function. It aims to reduce dust, dirt and other pollutants inside the cabinet through automation technology, thereby improving the reliability, safety and maintenance efficiency of equipment operation. Self-cleaning low-voltage outgoing switchgear is a power distribution equipment that achieves automatic or semi-automatic cleaning of key components inside the cabinet through built-in or external cleaning systems, based on traditional low-voltage outgoing switchgear.
[0003] Because low-voltage outgoing switchgear is mostly located in open or semi-open environments, external airflow brings a large amount of dust and impurities into the cabinet. These dust and impurities adhere to the surface of electrical components, affecting heat dissipation. In existing self-cleaning low-voltage outgoing switchgear, uncollected dust may be resuspended due to airflow disturbances during cleaning. Some particles may re-enter the cabinet through the heat dissipation holes and adhere to the surface of electrical components. Dust accumulation leads to reduced heat dissipation efficiency, increased local temperature, accelerated aging of insulation materials, and even short circuits or fires. Furthermore, the moisture problem inside low-voltage outgoing switchgear is also significant. In humid environments, moisture in the air easily enters the switchgear. When moisture condenses into water droplets on the surface of electrical components, it reduces the insulation performance of the components and increases the risk of leakage. In hot weather or when the equipment is under high load, existing outgoing switchgear cannot effectively dissipate heat in a timely manner, resulting in excessively high internal temperatures. Excessively high temperatures can affect the performance of electrical components. Summary of the Invention
[0004] To address the problems in the prior art, the present invention provides a self-cleaning low-voltage outgoing line cabinet.
[0005] The technical solution adopted by the present invention to solve its technical problem is: a self-cleaning low-voltage outgoing cabinet, including a cabinet body, wherein the cabinet body is provided with a collection mechanism for collecting dust and impurities, and the collection mechanism includes a collection plate;
[0006] One end of the collection plate is provided with a sealing mechanism for sealing the lower opening of the cabinet, and the sealing mechanism includes a sliding block;
[0007] The upper end of the sliding block is equipped with a cleaning mechanism for cleaning the dust trapped inside the cabinet.
[0008] One end of the collection plate is provided with a squeezing mechanism for cleaning water vapor, and the squeezing mechanism includes a sponge;
[0009] The upper part of the cabinet is equipped with a ventilation mechanism that accelerates the airflow between the cabinet and the outside air. The ventilation mechanism includes a third filter.
[0010] Preferably, the cabinet has an opening inside, and a cover is fixedly connected to the outer wall surface of the cabinet.
[0011] Preferably, the collection mechanism includes a support block, which is fixedly connected to the inner wall of the cabinet. A top plate is fixedly connected to the inner wall of the cabinet. A filter cloth is fixedly connected to the lower end of the top plate. The filter cloth is surrounded by a spring steel frame. A guide plate is fixedly connected to the inner wall of the cabinet. The lower end of the filter cloth frame is fixedly connected to the collection plate. A housing is fixedly connected to the upper end of the collection plate. The housing is fixedly connected to the inner wall of the cabinet.
[0012] Preferably, the sealing mechanism includes a hydraulic cylinder, the non-output end of the hydraulic cylinder is fixedly connected to the cabinet, the output end of the hydraulic cylinder is fixedly connected to a first sliding rod, the first sliding rod is fitted with a first sleeve, the inside of the first sleeve is connected to an air inlet pipe, the surface of the first sliding rod is fixedly connected to a first connecting rod, and the first connecting rod is fixedly connected to the sliding block.
[0013] Preferably, the cleaning mechanism includes a nozzle, the upper end of which is fixedly connected to the first sleeve, a hollow groove is provided inside the nozzle, and the nozzle is slidably connected to the first connecting rod.
[0014] Preferably, the extrusion mechanism includes a first filter screen, which is fixedly connected to the surface of the first connecting rod. The upper end of the first filter screen is attached to the sponge, and the sponge is slidably connected to the first connecting rod. A second filter screen is fixedly connected to the upper end of the sponge, and the second filter screen is slidably connected to the first connecting rod and fixedly connected to the housing.
[0015] Preferably, the ventilation mechanism includes a second connecting rod, one end of which is fixedly connected to the first sliding rod, and a second sleeve is fixedly connected to the inner wall of the cabinet, with the second sliding rod elastically connected to the inside of the second sleeve via a spring.
[0016] Preferably, the ventilation mechanism further includes a third filter screen, and the upper end of the second sliding rod is fixedly connected to the third filter screen.
[0017] The beneficial effects of this invention are:
[0018] The present invention discloses a self-cleaning low-voltage output cabinet. A hydraulic cylinder drives a sliding block to move upward. The upward movement of the sliding block cooperates with the protrusion of the collection plate, causing the collection plate to shake and clean the dust from the filter cloth. At the same time, it seals the opening. Sealing the opening promotes the entry of dust and impurities into the collection plate. In the cleaning mechanism, high-pressure gas is introduced into the air inlet pipe. The high-pressure gas in the air inlet pipe enters the nozzle through the first sleeve. The high-pressure gas sprayed out by the nozzle cleans the dust and impurities from the first filter screen. The dust enters the collection plate through the sliding block, effectively collecting and cleaning the dust, keeping the inside of the cabinet clean, and ensuring the normal operation of the equipment.
[0019] The self-cleaning low-voltage outlet cabinet of this invention includes a compression mechanism in which the first connecting rod moves upward to drive the first filter screen to compress the sponge, cleaning the water vapor adsorbed by the sponge and preventing water vapor from affecting the performance of the equipment. In terms of the ventilation mechanism, the second connecting rod moves upward with the first sliding rod, and the upward movement of the first sliding rod causes the third filter screen to overlap with the mesh of the cabinet, increasing the airflow. Natural air enters from the bottom of the cabinet, is filtered by the first filter screen, the sponge, and the second filter screen, and is discharged from the top, carrying away internal heat and achieving a good ventilation and heat dissipation effect, thus extending the service life of the equipment.
[0020] The self-cleaning low-voltage output cabinet of this invention features an upward-curving hook-shaped collection plate with its end bent downwards away from the guide plate to prevent dust from being blown out. The nozzle is made of copper and connected to a heat-conducting plate. Natural airflow can cool the nozzle and remove heat from the cabinet. The third filter is initially misaligned with the cabinet mesh, and its size can be adjusted through movement to flexibly control airflow. All mechanisms work together to stabilize the internal environment of the cabinet, reduce the impact of external factors on the equipment, improve the stability and reliability of equipment operation, and reduce maintenance costs. Attached Figure Description
[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0022] Figure 1 This is a schematic diagram of the overall structure of the present invention;
[0023] Figure 2 This is a schematic diagram of the connection structure between the cabinet and the cover.
[0024] Figure 3 This is a sectional view of the overall structure;
[0025] Figure 4 This is a schematic diagram of the connection structure between the first sliding rod and the first connecting rod;
[0026] Figure 5 This is a schematic diagram of the connection structure between the first connecting rod and the sliding block;
[0027] Figure 6 This is a schematic diagram of the connection structure between the first sleeve and the air intake pipe.
[0028] Figure 7 This is a schematic diagram of the connection structure between the housing and the nozzle;
[0029] Figure 8 This is a schematic diagram of the connection structure between the first connecting rod and the nozzle;
[0030] Figure 9 This is a schematic diagram of the connection structure between the first filter screen and the sponge.
[0031] In the diagram: 100, cabinet; 101, opening; 102, cover; 200, collection mechanism; 201, support block; 202, top plate; 203, filter cloth; 204, guide plate; 205, collection plate; 206, shell; 300, sealing mechanism; 301, hydraulic cylinder; 302, first sliding rod; 303, first sleeve; 304, air inlet pipe; 305, first connecting rod; 306, sliding block; 400, cleaning mechanism; 401, nozzle; 4011, hollow groove; 500, squeezing mechanism; 501, first filter screen; 502, sponge; 503, second filter screen; 600, ventilation mechanism; 601, second connecting rod; 602, second sliding rod; 603, second sleeve; 604, third filter screen. Detailed Implementation
[0032] To make the technical means, creative features, objectives and effects of this invention easier to understand, the invention will be further described below in conjunction with specific embodiments.
[0033] like Figures 1-9 As shown, the self-cleaning low-voltage outgoing cabinet of the present invention includes a cabinet body 100, and the cabinet body 100 is provided with a collection mechanism 200 for collecting dust and impurities. The collection mechanism 200 includes a collection plate 205.
[0034] One end of the collection plate 205 is provided with a sealing mechanism 300 for sealing the lower opening 101 of the cabinet 100. The sealing mechanism 300 includes a sliding block 306.
[0035] The upper end of the sliding block 306 is provided with a cleaning mechanism 400 for cleaning the dust intercepted inside the cabinet 100.
[0036] One end of the collection plate 205 is provided with a squeezing mechanism 500 for cleaning water vapor, and the squeezing mechanism 500 includes a sponge 502;
[0037] The upper part of the cabinet 100 is provided with a ventilation mechanism 600 to accelerate the air circulation between the cabinet 100 and the outside air. The ventilation mechanism 600 includes a third filter 604.
[0038] Specifically, the cabinet 100 has an opening 101 inside, and a cover 102 is fixedly connected to the outer wall surface of the cabinet 100.
[0039] Additionally, the collection mechanism 200 includes a support block 201, which is fixedly connected to the inner wall of the cabinet 100. A top plate 202 is fixedly connected to the inner wall of the cabinet 100. A filter cloth 203 is fixedly connected to the lower end of the top plate 202. The filter cloth 203 is surrounded by a spring steel frame. A guide plate 204 is fixedly connected to the inner wall of the cabinet 100. A collection plate 205 is fixedly connected to the lower end of the frame of the filter cloth 203. A housing 20 is fixedly connected to the upper end of the collection plate 205. 6. The housing 206 is fixedly connected to the inner wall of the cabinet 100. When in use, the outside natural wind will enter the cabinet 100 through the opening 101. The natural wind is guided to the housing 206 through the guide plate 204. The natural wind passes through the first filter 501, the sponge 502 and the second filter 503 in the housing 206 and is discharged from the hollow groove 4011. The support block 201 is made of rubber. There are small gaps between the support block 201 and the filter cloth 203 and the spring steel frame around the filter cloth 203.
[0040] Further, the sealing mechanism 300 includes a hydraulic cylinder 301. The non-output end of the hydraulic cylinder 301 is fixedly connected to the cabinet 100. The output end of the hydraulic cylinder 301 is fixedly connected to a first sliding rod 302. A first sleeve 303 is sleeved on the outside of the first sliding rod 302. An air inlet pipe 304 is connected inside the first sleeve 303. A first connecting rod 305 is fixedly connected to the surface of the first sliding rod 302. The first connecting rod 305 is fixedly connected to the sliding block 306. The hydraulic cylinder 301 is periodically activated to move upward once. The upward movement of the hydraulic cylinder 301 drives the first sliding rod 302 to move upward, which in turn drives the first connecting rod 305 to move upward. The upward movement of the sliding block 306 causes it to move upward. The upward movement of the sliding block 306 cooperates with the two collecting plates 205 to seal the opening 101. Multiple protrusions are provided on both sides of the sliding block 306, and multiple protrusions are also provided on the surface of the two collecting plates 205. The collecting plates 205 are made of spring steel and are in the shape of an upwardly curved hook. The end of the collecting plate 205 away from the guide plate 204 is bent downward. The downward bending of the end of the collecting plate 205 away from the guide plate 204 is to prevent the dust inside the collecting plate 205 from being blown out. The upward movement of the sliding block 306 causes the two collecting plates 205 to vibrate under the action of the protrusions. The vibration of the two collecting plates 205 cleans the filter cloth 203 and cleans the dust inside the collecting plates 205 regularly.
[0041] It should be noted that when high-pressure gas is introduced into the intake pipe 304, the lower end of the first sliding rod 302 will move away from the intake pipe 304 as the first sliding rod 302 moves upward.
[0042] It is worth mentioning that the cleaning mechanism 400 includes a nozzle 401, the upper end of which is fixedly connected to the first sleeve 303. A hollow groove 4011 is formed inside the nozzle 401, and the nozzle 401 is slidably connected to the first connecting rod 305. At this time, the high-pressure gas inside the air inlet pipe 304 enters the nozzle 401 through the first sleeve 303. The nozzle 401 is connected to a heat-conducting plate inside the cabinet 100, so the heat generated inside the cabinet 100 is transferred to the nozzle 401. The nozzle 401 is made of copper and has good heat dissipation properties. Due to its thermal conductivity, natural air passing through nozzle 401 will cool it down. The high-pressure gas ejected from inside nozzle 401 will clean dust and impurities from the first filter screen 501. The dust on the first filter screen 501 enters the collection plate 205 through the sliding block 306. The gas will enter the cabinet 100 through the filter cloth 203. Natural air enters the cabinet 100 from the bottom and exits from the top of the cabinet 100. During the process of natural air entering from the bottom and exiting from the top of the cabinet 100, it will carry away the heat inside the cabinet 100.
[0043] Specifically, the squeezing mechanism 500 includes a first filter screen 501, which is fixedly connected to the surface of the first connecting rod 305. A sponge 502 is attached to the upper end of the first filter screen 501, and the sponge 502 is slidably connected to the first connecting rod 305. A second filter screen 503 is fixedly connected to the upper end of the sponge 502, and the second filter screen 503 is slidably connected to the first connecting rod 305 and fixedly connected to the housing 206. When the first connecting rod 305 moves upward, it will drive the first filter screen 501 to move upward. The upward movement of the first filter screen 501 will squeeze the sponge 502, and the upward movement of the first filter screen 501 will clean the water vapor adsorbed inside the sponge 502.
[0044] It is worth mentioning that the ventilation mechanism 600 includes a second connecting rod 601, one end of which is fixedly connected to the first sliding rod 302. A second sleeve 603 is fixedly connected to the inner wall of the cabinet 100. The second sliding rod 602 is elastically connected to the inside of the second sleeve 603 via a spring. A third filter screen 604 is fixedly connected to the upper end of the second sliding rod 602. The cabinet 100 has mesh openings, and the third filter screen 604 fits tightly against the inside of the cabinet 100. Initially, the filter screen 604 is misaligned with the mesh on the cabinet 100. When the second connecting rod 601 moves upward, it drives the second sliding rod 602 to move upward. The upward movement of the second sliding rod 602 compresses the spring inside the second sleeve 603. The upward movement of the second sliding rod 602 drives the third filter screen 604 to move upward. The upward movement of the third filter screen 604 will overlap with the mesh on the cabinet 100, thus increasing the mesh size inside the cabinet 100 and increasing the airflow between the cabinet 100 and the outside.
[0045] Working principle: When in use, the natural wind from the outside enters the cabinet 100 through the opening 101. The natural wind is guided to the shell 206 by the guide plate 204. The natural wind passes through the first filter 501, the sponge 502 and the second filter 503 in the shell 206 and is discharged from the hollow groove 4011. The support block 201 is made of rubber. There are tiny gaps between the support block 201 and the filter cloth 203 and the spring steel frame around the filter cloth 203.
[0046] The hydraulic cylinder 301 is activated periodically and moves upward once. This upward movement of the hydraulic cylinder 301 drives the first sliding rod 302 to move upward, which in turn drives the first connecting rod 305 to move upward. The upward movement of the first connecting rod 305 drives the sliding block 306 to move upward. The upward movement of the sliding block 306 cooperates with the two collecting plates 205 to seal the opening 101. The sliding block 306 has multiple protrusions on both sides, and the surfaces of the two collecting plates 205 also have multiple protrusions. The collecting plates 205 are made of spring steel and are shaped like upward-curved hooks. The ends of the collecting plates 205 away from the guide plate 204 are bent downward. The downward bending of the ends of the collecting plates 205 away from the guide plate 204 is to prevent the dust inside the collecting plates 205 from being blown out. The upward movement of the sliding block 306, under the action of the protrusions, causes the two collecting plates 205 to vibrate. The vibration of the two collecting plates 205 cleans the filter cloth 203, and the dust inside the collecting plates 205 is cleaned periodically.
[0047] High-pressure gas is introduced into the intake pipe 304. As the first sliding rod 302 moves upward, it will cause the lower end of the first sliding rod 302 to move away from the intake pipe 304.
[0048] At this time, the high-pressure gas inside the air intake pipe 304 will enter the nozzle 401 through the first sleeve 303. The nozzle 401 is connected to the heat conduction plate inside the cabinet 100. In this way, the heat generated inside the cabinet 100 will be transferred to the nozzle 401. The nozzle 401 is made of copper and has good thermal conductivity. Natural air passing through the nozzle 401 will cool the nozzle 401. The high-pressure gas ejected from inside the nozzle 401 will clean the dust and impurities from the first filter screen 501. The dust on the first filter screen 501 will enter the collection plate 205 through the sliding block 306. The gas will enter the cabinet 100 through the filter cloth 203. Natural air enters the cabinet 100 from the bottom and exits from the top of the cabinet 100. During the process of natural air entering from the bottom and exiting from the top of the cabinet 100, it will carry away the heat inside the cabinet 100.
[0049] As the first connecting rod 305 moves upward, it will drive the first filter screen 501 to move upward. The upward movement of the first filter screen 501 will squeeze the sponge 502, and the upward movement of the first filter screen 501 will clean the water vapor adsorbed inside the sponge 502.
[0050] The cabinet 100 has mesh openings, and the third filter 604 is tightly fitted inside the cabinet 100. Initially, the third filter 604 is misaligned with the mesh openings on the cabinet 100. When the second connecting rod 601 moves upward a certain distance, it will drive the second sliding rod 602 to move upward. The upward movement of the second sliding rod 602 will compress the spring inside the second sleeve 603. The upward movement of the second sliding rod 602 will drive the third filter 604 to move upward. The upward movement of the third filter 604 will coincide with the mesh openings on the cabinet 100, thus increasing the mesh openings inside the cabinet 100 and thereby increasing the airflow between the cabinet 100 and the outside.
[0051] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of protection claimed by the present invention. The scope of protection of the present invention is defined by the appended claims and their equivalents.
Claims
1. A self-cleaning low-voltage outlet cabinet comprising a cabinet body (100), characterized in that: The inside of the cabinet (100) is provided with a collecting mechanism (200) for collecting dust impurities, the collecting mechanism (200) comprises a collecting plate (205); One end of the collecting plate (205) is provided with a plugging mechanism (300) for plugging the lower end opening (101) of the cabinet (100), the plugging mechanism (300) comprises a sliding block (306); The upper end of the sliding block (306) is provided with a cleaning mechanism (400) for cleaning the dust intercepted in the cabinet (100); One end of the collecting plate (205) is provided with a squeezing mechanism (500) for cleaning water vapor, the squeezing mechanism (500) comprises a sponge (502); The inside of the upper end of the cabinet (100) is provided with a ventilation mechanism (600) for accelerating the air circulation between the cabinet (100) and the outside, the ventilation mechanism (600) comprises a third filter screen (604); The collecting mechanism (200) comprises a supporting block (201), the supporting block (201) is fixedly connected with the inner wall of the cabinet (100), the inner wall of the cabinet (100) is fixedly connected with a top plate (202), the lower end of the top plate (202) is fixedly connected with a filter cloth (203), the periphery of the filter cloth (203) is a frame made of spring steel, the inner wall of the cabinet (100) is fixedly connected with a flow guide plate (204), the lower end of the frame of the filter cloth (203) is fixedly connected with the collecting plate (205), the upper end of the collecting plate (205) is fixedly connected with a shell (206), the shell (206) is fixedly connected with the inner wall of the cabinet (100); The plugging mechanism (300) comprises a hydraulic cylinder (301), the non-output end of the hydraulic cylinder (301) is fixedly connected with the cabinet (100), the output end of the hydraulic cylinder (301) is fixedly connected with a first sliding rod (302), the outside of the first sliding rod (302) is sleeved with a first sleeve (303), the inside of the first sleeve (303) is communicated with an air inlet pipe (304), the surface of the first sliding rod (302) is fixedly connected with a first connecting rod (305), the first connecting rod (305) is fixedly connected with the sliding block (306); The cleaning mechanism (400) comprises a spray head (401), the upper end of the spray head (401) is fixedly connected with the first sleeve (303), the inside of the spray head (401) is provided with a hollow groove (4011), the spray head (401) is slidingly connected with the first connecting rod (305); The extrusion mechanism (500) comprises a first filter screen (501), the first filter screen (501) is fixedly connected with the surface of the first connecting rod (305), the upper end of the first filter screen (501) is attached to the sponge (502), the sponge (502) is slidingly connected with the first connecting rod (305), the upper end of the sponge (502) is fixedly connected with a second filter screen (503), the second filter screen (503) is slidingly connected with the first connecting rod (305), and the second filter screen (503) is fixedly connected with the shell (206).
2. The self-cleaning low-voltage outlet cabinet according to claim 1, characterized in that: The inside of the cabinet body (100) is provided with an opening (101), and the outer wall of the cabinet body (100) is fixedly connected with a cover body (102).
3. The self-cleaning low-voltage outlet cabinet according to claim 2, characterized in that: The ventilation mechanism (600) comprises a second connecting rod (601), one end of the second connecting rod (601) is fixedly connected with the first sliding rod (302), the inner wall of the cabinet body (100) is fixedly connected with a second sleeve (603), and the inside of the second sleeve (603) is elastically connected with a second sliding rod (602) through a spring.
4. The self-cleaning low-voltage outlet cabinet according to claim 3, characterized in that: The ventilation mechanism (600) further comprises a third filter screen (604), and the upper end of the second sliding rod (602) is fixedly connected with the third filter screen (604).
Citation Information
Patent Citations
Air drying machine with air purification device
CN113926754A
Explosion-proof dry-type transformer
CN117352265A