Energy-saving filter for clean room
By introducing cleaning and opening/closing components into cleanroom filters, automated cleaning and protective panel opening/closing operations are achieved. This solves the problem of impurity accumulation in traditional cleanroom filters during long-term use, extends filter lifespan, improves filtration efficiency, reduces energy consumption, and enhances equipment operability and reliability.
Patent Information
- Application Number
- CN202520219084.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-12
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-02-12
AI Technical Summary
Traditional cleanroom filters accumulate impurities on the filter plates after long-term use, requiring frequent disassembly and replacement. This leads to aging of the motor windings and dust re-spreading, affecting the cleanroom environment and resulting in high energy consumption.
An energy-saving filter for cleanrooms was designed, employing cleaning components including a sliding shell, motor, worm gear, worm wheel, rotating shaft, roller, cleaning block, and brush. Through coordinated operation with a controller, it achieves automated cleaning and opening and closing of the protective panel, avoiding unnecessary energy waste.
It extends the service life of the filter plates, improves the filtration effect, reduces dust diffusion, lowers energy consumption, and enhances the operability and reliability of the equipment.
Smart Images

Figure CN223709845U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to filter technical field especially relates to an energy -conserving filter for clean room. BACKGROUND
[0002] In the operation process of the clean room, the filter plays a vital role, and its performance directly affects the air quality and overall operation cost of the clean room. The clean room filter can effectively remove dust particles in the air, including dust, smoke, pollen and other solid particles. For example, in an electronic chip manufacturing workshop, even extremely small particles can have a serious impact on the performance of the chip.
[0003] The traditional filter for clean room has many drawbacks. After long-term use, a large amount of impurities will accumulate on the filter plate, and the filter needs to be disassembled. When disassembling, the filter needs to be closed, and the filter plate needs to be replaced. Each time the switch is turned on, the starting current of the motor is usually several times the normal operating current. Frequent start-up will accelerate the aging of the insulation layer under the impact of large current, reducing the service life of the filter. When replacing the filter plate, the traditional filter may also cause dust to scatter again, polluting the clean room environment. Therefore, we propose an energy-saving filter for clean room. SUMMARY
[0004] The utility model discloses a kind of energy-saving filters for clean room, to solve the technical problem proposed in the above background art.
[0005] The utility model has the following technical scheme: an energy-saving filter for clean room, including filter body, the inner wall of the filter body is equipped with cleaning assembly, the cleaning assembly includes slide shell, the inner wall of the slide shell is fixedly installed with motor, the output of the motor is fixedly installed with worm, the outer wall of the worm is engaged with worm wheel, the inner wall of the worm wheel is fixedly installed with rotating shaft, the outer wall of the rotating shaft is fixedly installed with gyro wheel, the outer wall of the slide shell is fixedly installed with round bar and long pole respectively, the outer wall of the round bar is fixedly installed with cleaning block, the outer wall of the cleaning block is fixedly installed with sliding block, the outer wall of the long pole is fixedly installed with brush, the outer wall of the sliding block is slidably connected with cylinder, the bottom of the cylinder is fixedly installed with fixed plate.
[0006] Preferably, the outer wall of the sliding shell is in sliding connection with the outer wall of the filter plate, the outer wall of the sliding shell is in sliding connection with the inner wall of the filter body, the motor is in electrical connection with the controller, the outer wall of the worm is in rotating connection with the inner wall of the sliding shell, the outer wall of the rotating shaft is in rotating connection with the inner wall of the sliding shell, and the outer wall of the roller is in contact with the outer wall of the filter plate. Here, the outer wall of the sliding shell is in sliding connection with the outer wall of the filter plate and the inner wall of the filter body, and the motor is controlled by the controller. The outer wall of the worm is in rotating connection with the inner wall of the sliding shell, the outer wall of the rotating shaft is in rotating connection with the inner wall of the sliding shell, and the outer wall of the roller is in contact with the outer wall of the filter plate. This structure design makes the cleaning assembly move flexibly between the filter body and the filter plate, and can clean the filter plate at different positions as needed.
[0007] Preferably, the cleaning block is made of polyester fiber, and the outer wall of the cleaning block is in contact with the outer wall of one side of the filter plate. The brush is made of polyethylene, and the outer wall of the brush is in contact with the outer wall of the other side of the filter plate. Here, the cleaning block is made of polyester fiber, which has good cleaning performance. The outer wall of the cleaning block is in contact with the outer wall of one side of the filter plate. This material can not only better absorb and remove dust, particles and other impurities on the filter plate, but also has certain durability and is not easy to damage the filter plate, ensuring cleaning while protecting the filter plate.
[0008] Preferably, the outer wall of the long rod is fixedly installed with the outer wall of the sliding block, the outer wall of the sliding block is in sliding connection with the outer wall of the filter plate, the outer wall of the fixed plate is fixedly installed with the outer wall of the filter plate, the top of the cylinder is fixedly installed with the inner wall of the filter body, and the outer wall of the fixed plate is fixedly installed with the inner wall of the filter body. Here, the outer wall of the long rod is fixedly installed with the outer wall of the sliding block, and the outer wall of the sliding block is in sliding connection with the outer wall of the filter plate, so that the long rod is more stable during movement. The outer wall of the fixed plate at the bottom of the cylinder is fixedly installed with the outer wall of the filter plate, the top of the cylinder is fixedly installed with the inner wall of the filter body, and the outer wall of the fixed plate is fixedly installed with the inner wall of the filter body.
[0009] Preferably, the inner wall of the filter body is fixedly installed with an air pump, the outer wall of the filter body is fixedly installed with a controller, the outer wall of the filter body is fixedly installed with a protective plate, the outer wall of the protective plate is provided with an opening and closing assembly, the inner wall of the filter body is fixedly installed with a filter plate, the outer wall of the protective plate is fixedly installed with a support frame, and the outer wall of the support frame is fixedly installed with a motor. Here, the inner wall of the filter body is installed with an air pump, which ensures the basic filtering function. The outer wall is installed with a controller, which facilitates the control of the motor and the motor and other components, and realizes automatic operation. At the same time, the protective plate is provided for collecting impurities falling during cleaning to prevent the impurities from spreading in the clean room and causing secondary pollution. The inner wall of the filter body is also installed with a filter plate to ensure the filtering effect of air.
[0010] Preferably, the opening and closing assembly comprises a round shaft, a half gear is fixedly installed on the outer wall of the round shaft, a connecting plate is rotatably connected to the outer wall of the round shaft, and an opening and closing plate is fixedly installed on the outer wall of the half gear. Here, the driving of the motor can drive the round shaft to rotate, and in turn drive the half gear and the opening and closing plate to move. This structure design makes the opening and closing operation of the protective plate simple and convenient, and can conveniently clean the impurities in the protective plate.
[0011] Preferably, the outer wall of the round shaft is fixedly installed with the output end of the motor, the outer wall of the half gear is in contact with the outer wall of the protective plate, the outer wall of the connecting plate is in contact with the outer wall of the opening and closing plate, the outer wall of the opening and closing plate is in contact with the outer wall of the protective plate, the number of the round shaft, the half gear and the opening and closing plate is two, and the two half gears are engaged, and the outer walls of the two opening and closing plates are in contact. Here, the two half gears are engaged, and the outer walls of the two opening and closing plates are in contact. This symmetrical design makes the opening and closing action of the opening and closing plate more stable and reliable, and when the motor drives the round shaft to rotate, the two opening and closing plates can move synchronously, ensuring the consistency and stability of the opening and closing of the protective plate.
[0012] Preferably, the outer wall of the protective plate is fixedly installed with the outer wall of the round shaft, and the motor and the air pump are electrically connected with the controller. Here, the various components of the clean room filter work cooperatively, such as controlling the operation of the motor, the motor and the air pump through the controller, and only when the protective plate needs to be cleaned and opened and closed, the corresponding components are started, avoiding the energy waste caused by continuous operation. At the same time, the cleaning assembly can timely remove the impurities on the filter plate, ensuring the filtering efficiency of the filter plate.
[0013] Compared with the prior art, the advantages and positive effects of the utility model are that:
[0014] 1、The cleaning block on the round rod fixedly installed on the outer wall of the sliding shell is made of polyester fiber in the utility model, and the polyester fiber has good cleaning performance, can effectively remove the impurities on the filter plate, improve the cleaning effect, and the brush is made of polyethylene, and the brush fixedly installed on the outer wall of the long rod can clean the filter plate on the other side, which not only helps to prolong the service life of the filter plate, but also ensures the filtering effect of the clean room filter.
[0015] 2. The utility model discloses, through the open -and -close subassembly because the outer wall of half gear and the outer wall of protection board contact, and two half gear meshing, simultaneously, the outer wall rotation of round shaft is connected with connecting plate, and the outer wall of connecting plate and the outer wall of open -and -close board contact, and the outer wall of open -and -close board and the outer wall of protection board contact, such structure design makes open -and -close board can be driven under the half gear and carry out open -and -close action, can conveniently control the open -and -close state of protection board, is favorable to the operation such as the cleaning, maintenance and replacement of the substance of internal collection to protection board, has improved the operability and convenience of whole filter system, and the outer wall of protection board bottom and the inner wall of open -and -close board are adapted, guarantee the compactness and stability in the opening and closing process, prevent the leakage of the collected material. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 A three-dimensional structure schematic diagram of the energy-saving filter for clean room is provided for the utility model;
[0017] Figure 2 Another side structure schematic diagram of the energy-saving filter for clean room is provided for the utility model;
[0018] Figure 3 A filter plate structure schematic diagram of the energy-saving filter for clean room is provided for the utility model;
[0019] Figure 4 A cross section structure schematic diagram of the energy-saving filter for clean room is provided for the utility model;
[0020] Figure 5 A cleaning assembly schematic diagram of the energy-saving filter for clean room is provided for the utility model;
[0021] Figure 6 An open -and -close subassembly schematic diagram of the energy-saving filter for clean room is provided for the utility model;
[0022] Figure 7 An energy-saving filter for clean room is provided for the utility model Figure 2 A schematic diagram in A of the utility model.
[0023] Legend:
[0024] 1, filter body;2, cleaning assembly;3, air pump;4, controller;5, protection board;6, open -and -close subassembly;7, filter plate;8, support frame;9, motor;
[0025] 201, sliding shell;202, motor;203, worm;204, worm wheel;205, rotating shaft;206, roller;207, round bar;208, cleaning block;209, long rod;210, brush;211, sliding block;212, cylinder;213, fixed plate;
[0026] 601, round shaft; 602, half gear; 603, connecting plate; 604, opening and closing plate. DETAILED DESCRIPTION
[0027] In order to enable the above-mentioned purposes, features and advantages of the present application to be more clearly understood, the present application will be further described below with reference to the drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.
[0028] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, but the present application can also be practiced without the specific details, which are different from the description, and thus, the present application is not limited to the specific embodiments disclosed in the following description. Embodiment one
[0029] Please refer to Figures 1-7 The present application provides a technical scheme: an energy-saving filter for a clean room, comprising a filter body 1, the inner wall of the filter body 1 is provided with a cleaning assembly 2, the cleaning assembly 2 comprises a sliding shell 201, the inner wall of the sliding shell 201 is fixedly provided with a motor 202, the output end of the motor 202 is fixedly provided with a worm 203, the outer wall of the worm 203 is engaged with a worm gear 204, the inner wall of the worm gear 204 is fixedly provided with a rotating shaft 205, the outer wall of the rotating shaft 205 is fixedly provided with a roller 206, the outer wall of the sliding shell 201 is fixedly provided with a round rod 207 and a long rod 209 respectively, the outer wall of the round rod 207 is fixedly provided with a cleaning block 208, the outer wall of the cleaning block 208 is fixedly provided with a sliding block 211, the outer wall of the long rod 209 is fixedly provided with a brush 210, and the outer wall of the sliding block 211 is slidingly connected with a cylinder 212, and the bottom of the cylinder 212 is fixedly provided with a fixed plate 213.
[0030] The outer wall of the sliding shell 201 is slidingly connected with the outer wall of the filter plate 7, the outer wall of the sliding shell 201 is slidingly connected with the inner wall of the filter body 1, the motor 202 is electrically connected with the controller 4, the outer wall of the worm 203 is rotationally connected with the inner wall of the sliding shell 201, the outer wall of the rotating shaft 205 is rotationally connected with the inner wall of the sliding shell 201, and the outer wall of the roller 206 is in contact with the outer wall of the filter plate 7. Here, the outer wall of the sliding shell 201 is slidingly connected with the outer wall of the filter plate 7 and the inner wall of the filter body 1, and the motor 202 is controlled by the controller 4, the outer wall of the worm 203 is rotationally connected with the inner wall of the sliding shell 201, the outer wall of the rotating shaft 205 is also rotationally connected with the inner wall of the sliding shell 201, and the outer wall of the roller 206 is in contact with the outer wall of the filter plate 7. This structure design makes the cleaning assembly 2 move flexibly between the filter body 1 and the filter plate 7, and can clean the filter plate 7 at different positions as needed, thereby improving the adaptability and use range of the cleaning assembly 2, facilitating the realization of omnidirectional cleaning of the filter plate 7, and reducing the cleaning dead angle.
[0031] The cleaning block 208 is made of polyester fiber, and the outer wall of the cleaning block 208 is in contact with the outer wall of one side of the filter plate 7. The brush 210 is made of polyethylene, and the outer wall of the brush 210 is in contact with the outer wall of the other side of the filter plate 7. Here, the cleaning block 208 is made of polyester fiber, which has good cleaning performance. The outer wall of the cleaning block 208 is in contact with the outer wall of one side of the filter plate 7. This material not only can better absorb and remove dust, particles and other impurities on the filter plate 7, but also has certain durability and is not easy to damage the filter plate 7. It ensures that the filter plate 7 is protected while being cleaned, improves the efficiency of cleaning and the safety of the cleaning process, and reduces the risk of damage to the filter plate 7.
[0032] The outer wall of the long rod 209 is fixedly installed with the outer wall of the sliding block 211, the outer wall of the sliding block 211 is slidably connected with the outer wall of the filter plate 7, the outer wall of the fixed plate 213 is fixedly installed with the outer wall of the filter plate 7, the top of the cylinder 212 is fixedly installed with the inner wall of the filter body 1, and the outer wall of the fixed plate 213 is fixedly installed with the inner wall of the filter body 1. Here, the outer wall of the long rod 209 is fixedly installed with the outer wall of the sliding block 211, and the outer wall of the sliding block 211 is slidably connected with the outer wall of the filter plate 7, so that the long rod 209 is more stable during movement. The outer wall of the fixed plate 213 at the bottom of the cylinder 212 is fixedly installed with the outer wall of the filter plate 7, the top of the cylinder 212 is fixedly installed with the inner wall of the filter body 1, and the outer wall of the fixed plate 213 is fixedly installed with the inner wall of the filter body 1. This structure ensures the overall stability of the cleaning assembly 2 during the cleaning process, prevents the cleaning components from shaking or deviating during operation, improves the reliability and accuracy of the cleaning operation, and ensures accurate and effective cleaning action.
[0033] The inner wall of the filter body 1 is fixedly installed with the air pump 3, the outer wall of the filter body 1 is fixedly installed with the controller 4, the outer wall of the filter body 1 is fixedly installed with the protection plate 5, the outer wall of the protection plate 5 is provided with the opening and closing assembly 6, the inner wall of the filter body 1 is fixedly installed with the filter plate 7, the outer wall of the protection plate 5 is fixedly installed with the support frame 8, and the outer wall of the support frame 8 is fixedly installed with the motor 9. Here, the air pump 3 is installed in the inner wall of the filter body 1 to ensure the basic filtering function; the controller 4 is installed on the outer wall to facilitate the control of the motor 202 and the motor 9 and other components to realize automatic operation; at the same time, the protection plate 5 is provided to collect impurities falling during the cleaning process and prevent the impurities from spreading in the clean room to cause secondary pollution; the filter plate 7 is also installed in the inner wall of the filter body 1 to ensure the filtering effect of the air. The reasonable layout and installation of multiple components realize the integration of filtering, cleaning and impurity collection and other functions, and improve the functionality and practicality of the clean room filter.
[0034] The opening and closing assembly 6 comprises a circular shaft 601, the outer wall of the circular shaft 601 is fixedly installed with a half gear 602, the outer wall of the circular shaft 601 is rotationally connected with a connecting plate 603, and the outer wall of the half gear 602 is fixedly installed with an opening and closing plate 604. Here, the driving of the motor 9 can drive the circular shaft 601 to rotate, and in turn drive the half gear 602 and the opening and closing plate 604 to move. This structure design makes the opening and closing operation of the protective plate 5 simple and convenient, and can conveniently clean the impurities in the protective plate 5, improves the maintainability and use convenience of the equipment, and reduces the operation difficulty and time cost of the maintenance personnel.
[0035] The outer wall of the circular shaft 601 is fixedly installed with the output end of the motor 9, the outer wall of the half gear 602 is in contact with the outer wall of the protective plate 5, the outer wall of the connecting plate 603 is in contact with the outer wall of the opening and closing plate 604, the outer wall of the opening and closing plate 604 is in contact with the outer wall of the protective plate 5, and the number of the circular shaft 601, the half gear 602 and the opening and closing plate 604 is two groups. The two groups of half gears 602 are engaged, and the outer walls of the two groups of opening and closing plates 604 are in contact. Here, the two groups of half gears 602 are engaged, and the outer walls of the two groups of opening and closing plates 604 are in contact. This symmetrical design makes the opening and closing action of the opening and closing plate 604 more stable and reliable, and when the motor 9 drives the circular shaft 601 to rotate, the two groups of opening and closing plates 604 can move synchronously, ensuring the consistency and stability of the opening and closing of the protective plate 5, avoiding leakage or other problems caused by uneven opening and closing, and improving the sealing performance and reliability of the opening and closing of the protective plate 5.
[0036] The outer wall of the protective plate 5 is fixedly installed with the outer wall of the circular shaft 601, and the motor 9 and the air pump 3 are electrically connected with the controller 4. Here, the various components of the clean room filter work cooperatively, such as controlling the operation of the motor 202, the motor 9 and the air pump 3 through the controller 4, and only when the protective plate 5 needs to be cleaned and opened and closed, the corresponding components are started, avoiding energy waste caused by continuous operation. At the same time, the cleaning assembly 2 can timely remove the impurities on the filter plate 7, ensure the filtering efficiency of the filter plate 7, make the filter work in the best state, reduce the additional energy consumption caused by the blockage of the filter plate 7, and realize the energy-saving effect as a whole.
[0037] Working principle: when the clean room air is extracted into the filter body 1 by the air pump 3, the filter plate 7 filters the air and intercepts the impurities, at this time, press the controller 4, so that the controller 4 controls the motor 202, at this time, the motor 202 drives the worm 203 to rotate in the inner wall of the sliding shell 201, so that the worm 203 can engage with the worm wheel 204, at this time, the worm wheel 204 can drive the rotating shaft 205 to rotate, so that the roller 206 on the rotating shaft 205 rotates and rolls along the outer wall of the filter plate 7, at this time, the sliding shell 201 can move up and down along the outer wall of the filter plate 7, at this time, the sliding shell 201 can drive the cleaning block 208 on the round rod 207 and the brush 210 on the long rod 209 to clean the dust and impurities on the two sides of the filter plate 7, at this time, the impurities can fall directly into the inner wall of the opening and closing plate 604 through the protective plate 5, when the protective plate 5 needs to be cleaned, press the controller 4 again, so that the controller 4 controls the motor 9, at this time, the motor 9 can drive the circular shaft 601 to drive the half gear 602 to rotate, when the two groups of half gears 602 engage, at this time, the two groups of half gears 602 drive the two groups of opening and closing plates 604 to open, at this time, the dust or impurities in the opening and closing plate 604 are emptied, when the cleaning assembly 2 needs to be used, press the controller 4 to control the motor 9, so that the motor 9 controls the circular shaft 601 to rotate the half gear 602, so that the two groups of half gears 602 drive the opening and closing plate 604 to change from the open state to the closed state, at this time, the dust and impurities generated by cleaning will continue to fall into the opening and closing plate 604 through the protective plate 5, which is convenient for subsequent work.
[0038] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification of the above embodiments made according to the technical essence of the present application still belong to the protection scope of the technical scheme of the present application.
Claims
1. An energy-saving filter for clean rooms, comprising a filter body (1), characterized in that: The inner wall of the filter body (1) is provided with a cleaning assembly (2), the cleaning assembly (2) comprises a sliding shell (201), the inner wall of the sliding shell (201) is fixedly installed with a motor (202), the output end of the motor (202) is fixedly installed with a worm (203), the outer wall of the worm (203) is engaged with a worm gear (204), the inner wall of the worm gear (204) is fixedly installed with a rotating shaft (205), the outer wall of the rotating shaft (205) is fixedly installed with a roller (206), the outer wall of the sliding shell (201) is fixedly installed with a round rod (207) and a long rod (209) respectively, the outer wall of the round rod (207) is fixedly installed with a cleaning block (208), the outer wall of the cleaning block (208) is fixedly installed with a sliding block (211), the outer wall of the long rod (209) is fixedly installed with a brush (210), and the outer wall of the sliding block (211) is slidingly connected with a cylinder (212), and the bottom of the cylinder (212) is fixedly installed with a fixed plate (213).
2. The energy saving filter for clean room according to claim 1, wherein: The outer wall of the sliding shell (201) is slidingly connected with the outer wall of the filter plate (7), the outer wall of the sliding shell (201) is slidingly connected with the inner wall of the filter body (1), the motor (202) is electrically connected with the controller (4), the outer wall of the worm (203) is rotatably connected with the inner wall of the sliding shell (201), the outer wall of the rotating shaft (205) is rotatably connected with the inner wall of the sliding shell (201), and the outer wall of the roller (206) is in contact with the outer wall of the filter plate (7).
3. The energy saving filter for clean room according to claim 1, wherein: The cleaning block (208) is made of polyester fiber, and the outer wall of the cleaning block (208) is in contact with the outer wall of one side of the filter plate (7), the brush (210) is made of polyethylene, and the outer wall of the brush (210) is in contact with the outer wall of the other side of the filter plate (7).
4. The energy saving filter for clean room according to claim 1, wherein: The outer wall of the long rod (209) is fixedly installed with the outer wall of the sliding block (211), the outer wall of the sliding block (211) is slidingly connected with the outer wall of the filter plate (7), the outer wall of the fixed plate (213) is fixedly installed with the outer wall of the filter plate (7), the top of the cylinder (212) is fixedly installed with the inner wall of the filter body (1), and the outer wall of the fixed plate (213) is fixedly installed with the inner wall of the filter body (1).
5. The energy saving filter for clean room according to claim 1, wherein: The inner wall of the filter body (1) is fixedly installed with an air pump (3), the outer wall of the filter body (1) is fixedly installed with a controller (4), the outer wall of the filter body (1) is fixedly installed with a protection plate (5), the outer wall of the protection plate (5) is provided with an opening and closing assembly (6), the inner wall of the filter body (1) is fixedly installed with a filter plate (7), the outer wall of the protection plate (5) is fixedly installed with a support frame (8), and the outer wall of the support frame (8) is fixedly installed with a motor (9).
6. The energy saving filter for clean room according to claim 5, wherein: The opening and closing assembly (6) comprises a round shaft (601), the outer wall of the round shaft (601) is fixedly installed with a half gear (602), the outer wall of the round shaft (601) is rotatably connected with a connecting plate (603), and the outer wall of the half gear (602) is fixedly installed with an opening and closing plate (604).
7. The energy saving filter for clean room according to claim 6, wherein: The outer wall of the circular shaft (601) is fixedly installed with the output end of the motor (9), the outer wall of the half gear (602) is in contact with the outer wall of the protective plate (5), the outer wall of the connecting plate (603) is in contact with the outer wall of the opening and closing plate (604), the outer wall of the opening and closing plate (604) is in contact with the outer wall of the protective plate (5), the number of the circular shaft (601), the half gear (602) and the opening and closing plate (604) is two groups, and the two groups of half gears (602) are engaged, and the outer walls of the two groups of opening and closing plates (604) are in contact.
8. The energy saving filter for clean room according to claim 5, wherein: The outer wall of the protective plate (5) is fixedly installed with the outer wall of the circular shaft (601), and the motor (9) and the air pump (3) are electrically connected with the controller (4).