A purification system with adjustable air volume for clean rooms

Abstract

The present application discloses a purification system with adjustable air volume for clean rooms, which relates to the field of air purification, and includes an air duct connected to the clean room, an exhaust fan is installed on the air duct, a filter screen is installed on the side of the air duct located near the exhaust fan in the clean room, and the air duct is rotated and provided with a plurality of air regulating plates between the filter screen and the exhaust fan, and all the air regulating plates are distributed in the air duct along the vertical direction; a driving assembly is provided in the air duct to drive all the air regulating plates to rotate synchronously; the angle range of the rotation of the air regulating plate and the wind direction is between 0 and 90 degrees, when the air regulating plate is set at 90 degrees to the wind direction, the air regulating plate blocks the air duct, and when the air regulating plate is set at 0 degrees to the wind direction, the ventilation volume of the air duct is the largest. The present application can realize the adjustment of the air volume to meet the needs of different air volumes in the clean room.

Description

Technical Field

[0001] The present application relates to the field of air purification, and in particular to a purification system with adjustable air volume for a clean room. Background Art

[0002] A clean room is also called a dust-free room. In order to ensure the cleanliness of the clean room, the air will be purified during ventilation to ensure the cleanliness of the room.

[0003] The existing clean room purification system includes a clean room and a ventilation duct connected to the clean room. A filter is installed in the ventilation duct. When the exhaust fan draws outside air into the clean room, the filter can block impurities from entering the room and polluting the indoor environment.

[0004] However, when the exhaust fan is in operation, the air volume entering the room is fixed and cannot be adjusted, which cannot meet the clean room's requirements for different air volumes. Therefore, it is urgent to invent a purification system with adjustable air volume. Summary of the invention

[0005] In order to achieve adjustable air volume, the present application provides a purification system with adjustable air volume for a clean room.

[0006] The present application provides a clean room purification system with adjustable air volume, which adopts the following technical solution:

[0007] A purification system with adjustable air volume for a clean room, comprising an air duct connected to the clean room, an exhaust fan installed on the air duct, a filter screen installed on the side of the air duct located near the clean room by the exhaust fan, a plurality of air regulating plates rotatably arranged on the air duct between the filter screen and the exhaust fan, all of the air regulating plates are distributed in the air duct along a vertical direction; a driving assembly for driving all the air regulating plates to rotate synchronously is arranged in the air duct; the angle range of the rotation of the air regulating plates and the wind direction is between 0 and 90 degrees, when the air regulating plates are arranged at 90 degrees to the wind direction, the air regulating plates block the air duct, and when the air regulating plates are arranged at 0 degrees to the wind direction, the ventilation volume of the air duct is maximum at this time; the driving assembly is arranged as a gear and a driving motor, a mounting groove is provided in the side wall of the air duct, a first rotating shaft is provided at one end of the air regulating plate, and a second rotating shaft is provided at the other end of the air regulating plate, the first rotating shaft and the second rotating shaft are both rotatably matched with the inner side wall of the air duct, and the first rotating shaft extends into the mounting groove, the gear is provided with a plurality of rotating shafts and the adjusting shaft is provided with the adjusting shaft. The wind plates correspond to each other one by one, the gears are coaxially fixed on the first rotating shaft of the corresponding wind adjusting plates, the gears on the adjacent first rotating shafts are meshed, the driving motor is fixedly installed in the mounting groove, and the driving motor drives any first rotating shaft to rotate; a connecting column is fixedly connected to the side wall of the air duct, the second rotating shaft is sleeved on the connecting column and forms a rotational match with the connecting column, the connecting column extends into the wind adjusting plate, the end of the connecting column located in the wind adjusting plate is fixedly connected to a driving disk, an articulated rod is eccentrically arranged on the driving disk, a first connecting rod is hinged on the articulated rod, an end of the first connecting rod away from the articulated rod is hinged to a mounting plate, the mounting plate slides on the wind adjusting plate, and a plurality of debris blocking hooks are arranged on the mounting plate at intervals, all of the debris blocking hooks extend out of the wind adjusting plate to block impurities; when the wind adjusting plate rotates and tilts, the debris blocking hook is located on a side close to the exhaust fan; when the wind adjusting plate rotates and the angle between the wind adjusting plate and the wind direction changes from 0 degrees to 90 degrees, the debris blocking hook gradually slides to the outside of the wind adjusting plate.

[0008] By adopting the above technical solution, the exhaust fan operates to draw outside air into the clean room, and impurities are blocked outside by filtering through the filter screen to ensure the cleanliness of the clean room. All air regulating plates are driven to rotate synchronously by the driving component, and the rotation angle of the air regulating plates is adjusted to change the gap between each air regulating plate, thereby adjusting the ventilation volume to adapt to the clean room's requirements for different air volumes; when the air volume needs to be adjusted, the staff remotely controls the rotation of the driving motor, and the driving motor drives one of the first rotating shafts to rotate, and the gear on the first rotating shaft drives the adjacent gears to rotate, thereby realizing the rotation of all the first rotating shafts, that is, realizing the synchronous rotation of all the air regulating plates, and the rotation directions of adjacent air regulating plates are opposite. When the air regulating plates rotate a certain angle, all the air regulating plates form a "W" shape; ventilation between adjacent air regulating plates The gap changes with the rotation angle of the air regulating plate, thereby realizing the adjustment of the ventilation volume; the second rotating shaft is sleeved on the connecting column, that is, the air regulating plate is rotatably connected to the connecting column, and the connecting column extends into the air regulating plate. When the air regulating plate rotates, the air regulating plate rotates relative to the connecting column, that is, the air regulating plate rotates relative to the driving disk. Because the mounting plate is fixedly connected to the first connecting rod, when the air regulating plate rotates, the mounting plate will slide on the air regulating plate, that is, the sliding of the debris blocking hook is realized. When the air regulating plate is at a 0 degree angle to the wind direction, the outward sliding distance of the debris blocking hook is the smallest. When the air regulating plate gradually rotates and the air volume is reduced, the debris blocking hook will also slide outward synchronously. Because the air regulating plate is inclined at this time, the debris blocking hook will correspondingly extend and retract outward, which can increase the debris removal area and perform the first step of filtering impurities, thereby preventing impurities from clogging the mesh holes on the filter screen and affecting the ventilation effect.

[0009] Preferably, a plurality of sliding grooves are provided on the surface of the air regulating plate, and the number of all the debris blocking hooks and the sliding grooves is the same and corresponds one to one, and the debris blocking hooks slide in cooperation with the corresponding sliding grooves; the debris blocking hook is composed of a sliding portion and a brush portion, and the sliding portion is fixedly connected to the mounting plate, and the sliding direction of the sliding portion is perpendicular to the plate surface of the air regulating plate, and the brush portion is fixed to one end of the sliding portion away from the mounting plate.

[0010] By adopting the above technical scheme, when the air regulating plate and the wind direction form an angle of 0 degrees, the air volume is maximum at this time. When the rotation angle of the air regulating plate is adjusted to reduce the air volume, the sliding part will drive the brush part to slide outward. Since the adjacent air regulating plates rotate in opposite directions, the adjacent bristle parts will move away from each other. At this time, the sliding part drives the bristle part to slide outward, which can ensure that the distance between the adjacent bristle parts is close again. Under the action of wind force, due to the flexible nature of the bristle part, the bristle part will deflect at a certain angle. When the bristle part is deflected, it will further expand the impurity removal area in the vertical direction; when the air regulating plate rotates to reduce the air volume, the gap between the air regulating plates will gradually become smaller. If there are impurities blocking the gap, it will affect the ventilation effect. The impurities are blocked by the impurity blocking hook, which helps to ensure the ventilation between the air regulating plates. Wind effect; and the smaller the gap between the air regulating plates, that is, the smaller the ventilation volume, the greater the distance that the sliding part slides outward, that is, the blocking area of ​​the brush part for impurities increases. Because the smaller the gap between the air regulating plates, the easier it is for impurities to be blocked therein. Therefore, through the outward sliding of the sliding part and the change of the rotation angle of the brush part, the gap between the brush parts of adjacent air regulating plates also becomes smaller, thereby ensuring the coarse filtering effect on impurities. In practice, the rotation angle of the air regulating plate is usually between 0 and 45 degrees. When the rotation angle of the air regulating plate is greater than 45 degrees, the air regulating gap is small, and combined with the partial blocking effect of the filter mesh plate on the wind, the air volume is already extremely small at this time. Therefore, the usual adjustment angle is between 0 and 45 degrees. As long as the ventilation needs to be temporarily closed, the air regulating plate will be driven to rotate 90 degrees to achieve temporary closure.

[0011] Preferably, a windward plate is slidingly provided on the surface of the air regulating plate, and when the air regulating plate is rotated and tilted, the windward plate faces the direction of the exhaust fan; the sliding groove of the air regulating plate is opened on the windward plate, and a compression spring is provided in the air regulating plate, and the length direction of the compression spring is consistent with the sliding direction of the windward plate, and fixed plates are slidingly provided on both sides of the air regulating plate, and a plurality of debris removal teeth are spaced apart on the surface of the fixed plate, and the windward plate drives the fixed plate to slide through a linkage; when the air regulating plate is rotated to 90 degrees with the wind direction, the debris removal teeth between adjacent air regulating plates are staggered.

[0012] By adopting the above technical scheme, in the initial state, the air regulating plate is at an angle of 0 degrees to the wind direction. When the air volume is reduced, the air regulating plate rotates a certain angle. At this time, the windward plate on the surface of the air regulating plate faces the exhaust fan. Under the action of wind force, the windward plate will slide on the air regulating plate, and the greater the rotation angle of the air regulating plate, the greater the sliding distance of the windward plate. When the air regulating plate is rotated to 90 degrees with the wind direction, the wind force received by the windward plate is the largest; when the windward plate slides, the debris removal teeth will be driven to slide outward through the linkage, and the debris removal teeth can also block impurities; because when the air regulating plate rotates at a large angle, the debris blocking hooks between adjacent air regulating plates are far away from each other, and the filtering effect will decrease. At this time, the debris removal teeth between adjacent air regulating plates will be closer to each other, thereby playing a filtering role; when the air regulating plate rotates at a small angle, the debris blocking hooks can play the first step of filtering, and the debris removal teeth perform the second step of filtering.

[0013] Preferably, the linkage member is configured as a second connecting rod, one end of the second connecting rod is hinged to the windward plate, and the other end of the second connecting rod is hinged to the fixed plate.

[0014] By adopting the above technical solution, when the windward plate is acted upon by wind force, the windward plate slides, and the windward plate drives the fixed plate to slide via the second connecting rod, thereby realizing the sliding action of the debris removing teeth.

[0015] Preferably, a dust removal brush is provided in the air duct for cleaning the surface of the filter screen plate, and a driving member is provided in the air duct for driving the dust removal brush to rise and fall.

[0016] By adopting the above technical solution, the driving member is used to drive the dust removal brush to rise and fall, and the dust removal brush cleans the impurities on the surface of the filter screen, which helps to ensure the cleanliness of the filter screen surface and prevent impurities from clogging the mesh holes on the filter screen and affecting the ventilation effect; in practice, the dust removal brush will only move when the ventilation is suspended.

[0017] Preferably, an air connection duct is provided in the upper top wall of the air duct, and a connecting port is provided at one end of the air connection duct, the connecting port is used to connect to the area on one side of the air regulating plate close to the exhaust fan, the air duct is slidably provided with a linkage door at the connecting port, a rack is provided on the lower side of the linkage door, the gear located above is meshed with the rack, and when the air volume is adjusted to decrease, the gear drives the rack to slide, thereby realizing the opening of the linkage door; the air duct is rotatably connected to a third rotating shaft in the air connection duct, and a fan blade is coaxially fixed on the third rotating shaft; one end of the dust removal brush is slidably connected to a connecting rod, and the other end of the dust removal brush is fixedly connected to a lifting block, and the air duct is provided with accommodating grooves on both sides of the filter screen plate, and the connecting rod and the lifting block both extend into corresponding The cam is an axially fixed to the first and second sprockets, and the cam is fixedly mounted on the first and second sprockets, and the cam is connected to the first and second sprockets via a belt.

[0018] By adopting the above technical scheme, when the driving motor drives the air regulating plate to rotate a certain angle, that is, the air volume decreases, the gear will rotate, and the gear will drive the rack to slide, so that the linkage door is opened. When the air regulating plate is 90 degrees to the wind direction, the linkage door is fully opened; when the linkage door is opened, the air volume flows into the connecting air duct, and the fan blades are driven to rotate under the action of wind force. When the fan blades rotate, they drive the third shaft to rotate, and the third shaft drives the first pulley to rotate, and the rotation of the second pulley is realized through the belt. The second pulley drives the first sprocket to rotate through the fourth shaft, and the first sprocket cooperates with the second sprocket to realize the movement of the chain. The chain will drive the connecting rod to perform reciprocating lifting motion, that is, realize the lifting motion of the dust removal brush. When the connecting rod moves to the sprocket with the fixed wheel, the connecting rod will slip to adapt to the change in distance between the left and right sides of the chain and the dust removal brush.

[0019] In summary, the present application includes at least one of the following beneficial technical effects:

[0020] 1. By rotating the air regulating plates, the distance between adjacent air regulating plates can be changed to adjust the air volume to meet the clean room's demand for non-ventilated air volume;

[0021] 2. When the air regulating plate rotates to reduce the air volume, the bristles will slide outward to increase the impurity blocking area, which can block dust and impurities. At the same time, the windward plate will slide under the action of wind force, and the windward plate will drive the impurity removal teeth to extend out of the air regulating plate, which can also block impurities;

[0022] 3. After the air regulating plate is closed, the gear drives the linkage door to slide through the rack. At this time, the wind will enter the connecting air duct from the connecting port and drive the fan blades to rotate. The fan blades drive the first pulley to rotate through the third rotating shaft. The first pulley drives the second pulley to rotate through the belt. The second pulley drives the first sprocket to rotate through the fourth rotating shaft. The first sprocket cooperates with the second sprocket to drive the chain to move, and then drives the connecting rod to do reciprocating lifting motion, that is, the lifting motion of the dust removal brush is realized, and then the filter plate is cleaned. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic cross-sectional view of the first embodiment of the present application;

[0024] Figure 2 This is a schematic cross-sectional structure diagram of another perspective of the first embodiment of the present application, which mainly reflects the structure of the driving assembly;

[0025] Figure 3 This is a schematic diagram of the air regulating plate rotating at a certain angle to reduce the air volume in the first embodiment of the present application;

[0026] Figure 4 This is a schematic cross-sectional structural diagram of the air regulating plate in Example 1 of the present application;

[0027] Figure 5 This is a schematic cross-sectional structural diagram of the air regulating plate in the second embodiment of the present application;

[0028] Figure 6 This is a state diagram of the air regulating plate in the second embodiment of the present application being rotated to a vertical state and the air duct being closed;

[0029] Figure 7 This is a schematic cross-sectional view of the air duct in the second embodiment of the present application, which mainly reflects the structure of the connected air duct;

[0030] Figure 8 This is a schematic diagram of the cross-sectional structure of the air duct in the second embodiment of the present application, which mainly reflects the structure of the lifting block and the connecting rod.

[0031] Reference numerals: 1, air duct; 11, exhaust fan; 12, filter screen; 13, mounting slot; 14, debris collecting slot; 15, receiving slot; 16, guide rod; 2, air regulating plate; 21, first rotating shaft; 22, second rotating shaft; 23, sliding slot; 24, compression spring; 3, driving assembly; 31, gear; 32, driving motor; 4, connecting column; 41, driving disk; 42, hinged rod; 43, first connecting rod; 44, mounting plate; 5, debris blocking hook; 51, sliding part; 52. Brush part; 6. Windward plate; 7. Fixed plate; 71. De-dusting teeth; 8. Second connecting rod; 9. Dust brush; 91. Connecting rod; 92. Lifting block; 10. Air duct; 101. Connecting port; 20. Linking door; 201. Rack; 30. Third rotating shaft; 301. Fan blade; 302. First pulley; 40. First sprocket; 50. Second sprocket; 60. Chain; 601. Fixed wheel; 70. Fourth rotating shaft; 701. Second pulley; 80. Belt. DETAILED DESCRIPTION

[0032] The following is combined with Figure 1-8 This application is described in further detail.

[0033] The embodiment of the present application discloses a purification system with adjustable air volume for a clean room.

[0034] Embodiment 1,

[0035] Reference Figure 1 The purification system with adjustable air volume for clean room includes an air duct 1, one end of the air duct 1 is connected with the indoor of the clean room, and the other end of the air duct 1 is installed with an exhaust fan 11, and the air duct 1 is installed with a filter screen plate 12 on the side of the exhaust fan 11 near the clean room, and the air duct 1 is provided with a plurality of air regulating plates 2 between the filter screen plate 12 and the exhaust fan 11, and all the air regulating plates 2 are distributed in the vertical direction, and a driving component 3 is provided in the air duct 1 to drive all the air regulating plates 2 to rotate synchronously, and the angle range of the rotation of the air regulating plates 2 and the wind direction is between 0 and 90 degrees. In the initial state, the angle between the air regulating plates 2 and the wind direction is 0 degrees, and the air volume is the largest at this time. When the air regulating plates 2 rotate a certain angle, the gap between the adjacent air regulating plates 2 becomes smaller, and the air volume decreases. When the air regulating plates 2 rotate to 90 degrees with the wind direction, the air regulating plates 2 block the air duct 1 at this time, and the ventilation volume is the smallest. By driving the air regulating plates 2 to rotate by the driving component 3, the air volume of the air duct 1 can be adjusted to adapt to the clean room's different air volume requirements.

[0036] Reference Figure 1 , Figure 2 and Figure 3The driving assembly 3 includes a gear 31 and a driving motor 32. An installation groove 13 is opened in the opposite side walls of the air duct 1. The installation groove 13 is located on both sides of the air regulating plate 2. One end of the air regulating plate 2 is fixedly connected to the first rotating shaft 21, and the other end of the air regulating plate 2 is fixedly connected to the second rotating shaft 22. The first rotating shaft 21 and the second rotating shaft 22 are both rotatably connected to the inner wall of the air duct 1. The first rotating shaft 21 extends into the installation groove 13. There are multiple gears 31, which are the same as the number of the air regulating plates 2 and correspond one to one with the first rotating shafts 21 of the air regulating plates 2. The gear 31 is coaxially fixed on the corresponding first rotating shaft 21, and the gears 31 on the adjacent first rotating shafts 21 are meshed. The driving motor 32 is fixedly installed in the installation groove 13, and the driving motor 32 drives any first rotating shaft 21 to rotate through the reduction box. When the air volume needs to be adjusted, the staff remotely controls the drive motor 32 to rotate, and the drive motor 32 drives the first rotating shaft 21 to rotate. The first rotating shaft 21 drives the adjacent air regulating plates 2 to rotate through the gear 31, thereby realizing the synchronous rotation between all the air regulating plates 2, and the rotation directions of the adjacent air regulating plates 2 are opposite, that is, after the air regulating plates 2 rotate a certain angle, the air regulating plates 2 are in a "W" shape, and the different rotation angles of the air regulating plates 2 correspond to different air volumes.

[0037] Reference Figure 2 , Figure 3 and Figure 4 , a connecting column 4 is fixedly connected in another mounting groove 13 of the air duct 1, a second rotating shaft 22 is hollow, the second rotating shaft 22 extends into the mounting groove 13, and the second rotating shaft 22 is sleeved on the connecting column 4, and forms a rotational fit with the connecting column 4, the air regulating plate 2 is hollow, the connecting column 4 extends into the air regulating plate 2, the end of the connecting column 4 is fixedly connected to a driving disk 41, a hinged rod 42 is fixedly connected to the driving disk 41, the hinged rod 42 is eccentrically arranged with the driving disk 41, a first connecting rod 43 is hinged on the hinged rod 42, and a mounting plate 44 is hinged at one end of the first connecting rod 43 away from the hinged rod 42, the mounting plate 44 slides in the air regulating plate 2, and a plurality of debris blocking hooks 5 are fixed at intervals on the mounting plate 44. When the air regulating plate 2 rotates a certain angle, the debris blocking hooks 5 on all the air regulating plates 2 are located on the side close to the exhaust fan 11.

[0038] When the air regulating plate 2 rotates, the air regulating plate 2 will rotate relative to the connecting column 4, that is, the air regulating plate 2 rotates relative to the driving disk 41, and the mounting plate 44 will slide under the action of the first connecting rod 43; when the air volume gradually decreases, that is, when the angle between the air regulating plate 2 and the wind direction changes from 0 degrees to 90 degrees, the debris blocking hook 5 gradually slides to the outside of the air regulating plate 2. Because when the air regulating plate 2 rotates, the distance between adjacent debris blocking hooks 5 will increase, and through the sliding of the debris blocking hook 5, the distance between adjacent debris blocking hooks 5 can be reduced as the air regulating plate 2 rotates, thereby ensuring the blocking and filtering of impurities, preventing impurities from clogging the filter screen 12 and affecting the ventilation effect.

[0039] A plurality of sliding grooves 23 are provided on the surface of the air regulating plate 2, the number of the debris blocking hooks 5 is the same as the number of the sliding grooves 23 and the debris blocking hooks 5 slide in cooperation with the sliding grooves 23; the debris blocking hook 5 is composed of a sliding portion 51 and a brush portion 52, the sliding portion 51 is fixedly connected to the mounting plate 44, the sliding direction of the sliding portion 51 is perpendicular to the plate surface of the air regulating plate 2, and the brush portion 52 is fixedly installed at one end of the sliding portion 51 away from the mounting plate 44.

[0040] When the air regulating plate 2 rotates a certain angle and the air volume decreases, the first connecting rod 43 drives the mounting plate 44 to slide, and the mounting plate 44 drives the sliding portion 51 to slide outward, thereby realizing the sliding of the brush portion 52. Since the adjacent air regulating plates 2 rotate in opposite directions, the adjacent brush portions 52 will move away from each other. At this time, the brush portions 52 are driven to slide outward by the sliding portion 51, so as to ensure that the distance between the adjacent brush portions 52 is close again. Under the action of wind, due to the flexible nature of the brush portions 52, the brush portions 52 will deflect at a certain angle. When the brush portions 52 are deflected, the impurity removal area in the vertical direction will be further expanded. In practice, under the action of wind, the brush portions 52 will swing, which can further increase the dust removal area. When the air regulating plate 2 rotates to reduce the air volume, the gap between adjacent air regulating plates 2 will become smaller. The smaller the gap, the easier it is to be blocked by impurities. Using the impurity blocking hook 5 to block the impurities helps to ensure the ventilation effect between the air regulating plates 2; and when the air volume is smaller, the sliding portion 51 drives the brush portion 52 to slide outward. The greater the distance, the larger the impurity blocking area becomes, ensuring the impurity blocking effect; in fact, when adjusting the air volume, the rotation angle of the air regulating plate 2 is between 0 and 45 degrees. When the rotation angle of the air regulating plate 2 is greater than 45 degrees, the gap between the air regulating plates 2 is small, and the filter screen plate 12 has a partial blocking effect on the wind. The air volume is already extremely small, and the distance between the brush portions 52 is relatively large. At this time, the brush portions 52 can no longer cover the larger impurity blocking area.

[0041] Embodiment 2,

[0042] Reference Figure 5 and Figure 6The difference between this embodiment and the embodiment 1 is that the surface of the air regulating plate 2 is provided with a windward plate 6 for sliding movement. When the air regulating plate 2 is rotated to reduce the air volume, the windward plates 6 on all the air regulating plates 2 face the exhaust fan 11. The sliding groove 23 of the air regulating plate 2 is provided on the windward plate 6, that is, the sliding portion 51 of the debris blocking hook 5 slides on the windward plate 6. A compression spring 24 is installed in the air regulating plate 2. The length direction of the compression spring 24 is consistent with the sliding direction of the windward plate 6. Fixed plates 7 are slidably provided on both sides of the air regulating plate 2. A plurality of debris removing teeth 71 are fixed at intervals on the fixed plate 7. The windward plate 6 drives the fixed plate 7 to slide through the linkage member. The linkage is set to a second connecting rod 8, the number of the second connecting rods 8 is the same as the number of the fixed plates 7 and corresponds one to one, one end of the second connecting rod 8 is hinged to the windward plate 6, and the other end of the second connecting rod 8 is hinged to the fixed plate 7. When the air regulating plate 2 rotates from an angle of 0 degrees to an angle of 90 degrees, the windward plate 6 is affected by the wind force, and the windward plate 6 slides. When sliding, the windward plate 6 drives the fixed plate 7 to slide outside the air regulating plate 2 through the second connecting rod 8, and the debris removing teeth 71 pass through the air regulating plate 2. When the air regulating plate 2 rotates to 90 degrees with the wind direction, the debris removing teeth 71 between adjacent air regulating plates 2 are staggered and block the gaps between adjacent air regulating plates 2.

[0043] When the air regulating plate 2 rotates to reduce the air volume, the air regulating plate 2 rotates a certain angle, and the windward plate 6 also slides a certain distance, that is, the impurity removal teeth 71 pass through the air regulating plate 2 for a certain distance, and the impurity removal teeth 71 can block impurities. When the air regulating plate 2 rotates at a large angle, the bristle parts 52 move away from each other, and the impurity blocking area will eventually become smaller. At this time, the impurity removal teeth 71 can be used for the second step of filtering. In this embodiment, when the air regulating plate 2 adjusts the air volume, the rotation angle can be adjusted between 0 degrees and 90 degrees.

[0044] Since more structures are arranged inside the air regulating plate 2, the thickness of the air regulating plate 2 is inevitably larger. Therefore, when the air regulating plate 2 is rotated 90 degrees, that is, the air regulating plate 2 is vertical, it is difficult to close the adjacent air regulating plates 2. By extending the debris removal teeth 71 and staggered distribution of the debris removal teeth 71 between adjacent air regulating plates 2, the gaps between the air regulating plates 2 can be blocked to achieve temporary closure of ventilation.

[0045] In addition, when the air regulating plate 2 is in a vertical state, a seal cannot be achieved between the uppermost air regulating plate 2 and the top wall of the air duct 1. Therefore, a flexible rubber pad is fixedly installed on one side of the uppermost air regulating plate 2 close to the top wall of the air duct 1. When the air regulating plate 2 is rotated to a vertical state, the flexible rubber pad abuts against the top wall of the air duct 1 to achieve a seal. Similarly, the same is true for the lowermost air regulating plate 2.

[0046] Reference Figure 7 and Figure 8A dust removal brush 9 for cleaning the surface of the filter screen plate 12 is provided in the air duct 1, and a driving member for driving the dust removal brush 9 to rise and fall is provided in the air duct 1. A miscellaneous collecting groove 14 is provided at the bottom wall of the air duct 1 for collecting dust and impurities cleaned from the surface of the filter screen plate 12; a connecting air duct 10 is provided in the upper top wall of the air duct 1, and a connecting port 101 is provided at one end of the connecting air duct 10, and the connecting port 101 is connected to the area of ​​the air regulating plate 2 close to the exhaust fan 11. The air duct 1 is slidably connected to a linkage door 20 at the connecting port 101, and the sliding of the linkage door 20 is realized by the cooperation of the block and the groove, and a rack 201 is fixedly connected to the lower side of the linkage door 20, and the rack 201 is meshed with the gear 31 on the uppermost air regulating plate 2. When the ventilation needs to be temporarily closed, the sealing plate rotates to a vertical state, and the gear 31 drives the rack 201 to move, thereby realizing the sliding of the linkage door 20, and the connecting port 101 opens. At this time, the wind generated by the exhaust fan 11 will enter the connecting air duct 10 from the connecting port 101.

[0047] The air duct 1 is located in the ventilation duct 10 and is rotatably connected to the third rotating shaft 30. A fan blade 301 is coaxially fixed on the third rotating shaft 30. One end of the dust removal brush 9 is slidably connected to a connecting rod 91. The other end of the dust removal brush 9 is fixedly connected to a lifting block 92. The air duct 1 is located on both sides of the filter screen plate 12 and is provided with a receiving groove 15. The connecting rod 91 and the lifting block 92 are both extended into the receiving groove 15 on the corresponding side. The air duct 1 is located in one of the receiving grooves 15 and is rotatably connected to a first sprocket 40 and a second sprocket 50. The first sprocket 40 is located above the second sprocket 50. A chain 60 is wound around the first sprocket 40 and the second sprocket 50. The chain 60 is fixedly connected to The fixed wheel 601, one end of the connecting rod 91 away from the dust removal brush 9 is hinged to the fixed wheel 601, the air duct 1 is located in another accommodating groove 15 and is fixedly installed with a guide rod 16, and the lifting block 92 is plugged and slidably matched with the guide rod 16; the driving member is set as a first pulley 302, and the first pulley 302 is coaxially fixed on the third rotating shaft 30. The air duct 1 is located in the connecting air duct 10 and is also rotatably connected to the fourth rotating shaft 70, and the second pulley 701 is coaxially fixed on the fourth rotating shaft 70. A belt 80 is wound around the first pulley 302 and the second pulley 701, and the fourth rotating shaft 70 extends into the accommodating groove 15, and the first sprocket 40 is coaxially fixed on the fourth rotating shaft 70.

[0048] When wind enters the ventilation duct 10 from the connecting port 101, the wind force will drive the fan blade 301 to rotate, and the fan blade 301 drives the first pulley 302 to rotate through the third rotating shaft 30, and the first pulley 302 drives the second pulley 701 to rotate through the belt 80, and the second pulley 701 drives the first sprocket 40 to rotate through the fourth rotating shaft 70, and the first sprocket 40 cooperates with the second sprocket 50 to drive the chain 60 to move, and then drives the connecting rod 91 to perform reciprocating lifting motion, that is, to realize the lifting motion of the dust removal brush 9; when the connecting rod 91 moves to the sprocket, the connecting rod 91 will slip to adapt to the change in the distance between the left and right sides of the chain 60 and the dust removal brush 9.

[0049] The implementation principle of the purification system with adjustable air volume for clean rooms in the embodiment of the present application is as follows: the air volume can be adjusted by adjusting the rotation of the air regulating plate 2 to change the gap size between adjacent air regulating plates 2. When the air regulating plate 2 is rotated by a certain angle to reduce the air volume, the cleaning area can be adaptively increased by the sliding of the bristle portion 52, and the end of the bristle portion 52 is deformed in combination with the effect of wind force on the bristle portion 52, which can further increase the cleaning area; and after the air regulating plate 2 rotates, the windward plate 6 slides under the action of wind force, driving the cleaning teeth 71 to slide The impurity removal teeth 71 extend out of the air regulating plate 2, which can further block and filter the dust and impurities; when it is necessary to temporarily close the ventilation to clean the filter screen plate 12, the air regulating plate 2 rotates to a vertical state. At this time, the gear 31 drives the rack 201 to slide, that is, the linkage door 20 is opened, and the wind enters the connecting air duct 10 from the connecting port 101. The wind force drives the fan blade 301 to rotate, and the fan blade 301 transmits power to the chain 60. The chain 60 drives the dust removal brush 9 to rise and fall back and forth, so as to clean the dust and impurities on the surface of the filter screen plate 12.

[0050] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A purification system with adjustable air volume for a clean room, characterized in that: The invention comprises an air duct (1) connected to a clean room, wherein an exhaust fan (11) is installed on the air duct (1), a filter screen (12) is installed on the side of the air duct (1) located near the clean room of the exhaust fan (11), and a plurality of air regulating plates (2) are rotatably arranged on the air duct (1) between the filter screen (12) and the exhaust fan (11), wherein all the air regulating plates (2) are distributed in a vertical direction in the air duct (1); a driving component (3) is arranged in the air duct (1) for driving all the air regulating plates (2) to rotate synchronously; the angle range of the rotation of the air regulating plates (2) and the wind direction is between 0 and 90 degrees, when the air regulating plates (2) are arranged at 90 degrees to the wind direction, the air regulating plates (2) block the air duct (1), and when the air regulating plates (2) are arranged at 90 degrees to the wind direction, the air regulating plates (2) block the air duct (1). The air duct (1) is set at 0 degrees, at which time the ventilation volume of the air duct (1) is maximum; the driving component (3) is configured as a gear (31) and a driving motor (32); a mounting groove (13) is provided in the side wall of the air duct (1); a first rotating shaft (21) is provided at one end of the air regulating plate (2); a second rotating shaft (22) is provided at the other end of the air regulating plate (2); the first rotating shaft (21) and the second rotating shaft (22) are both rotatably matched with the inner side wall of the air duct (1), and the first rotating shaft (21) extends into the mounting groove (13); a plurality of gears (31) are provided and correspond one to one with the air regulating plates (2); the gears (31) are coaxially fixed on the first rotating shaft (21) of the corresponding air regulating plate (2); adjacent first rotating shafts (21) ), the drive motor (32) is fixedly mounted in the mounting groove (13), and the drive motor (32) drives any first rotating shaft (21) to rotate; a connecting column (4) is fixedly connected to the side wall of the air duct (1), the second rotating shaft (22) is sleeved on the connecting column (4) and forms a rotational fit with the connecting column (4), the connecting column (4) extends into the air regulating plate (2), the end of the connecting column (4) located in the air regulating plate (2) is fixedly connected to a drive disk (41), an articulated rod (42) is eccentrically arranged on the drive disk (41), a first connecting rod (43) is hingedly connected to the articulated rod (42), and the end of the first connecting rod (43) away from the articulated rod (42) is hingedly connected to the mounting plate (44), the mounting plate (44) slides on the air regulating plate (2), and a plurality of debris blocking hooks (5) are arranged at intervals on the mounting plate (44), and all of the debris blocking hooks (5) extend out of the air regulating plate (2) to block impurities; when the air regulating plate (2) rotates and tilts, the debris blocking hooks (5) are located on a side close to the exhaust fan (11); when the air regulating plate (2) rotates and the angle between the air regulating plate (2) and the wind direction changes from 0 degrees to 90 degrees, the debris blocking hooks (5) gradually slide toward the outside of the air regulating plate (2); a plurality of sliding grooves (23) are provided on the surface of the air regulating plate (2), and the number of all of the debris blocking hooks (5) and the sliding grooves (23) is the same and corresponds one to one, and the debris blocking hooks (5) slide and cooperate with the corresponding sliding grooves (23);The debris blocking hook (5) is composed of a sliding portion (51) and a brush portion (52); the sliding portion (51) is fixedly connected to the mounting plate (44); the sliding direction of the sliding portion (51) is perpendicular to the plate surface of the air regulating plate (2); the brush portion (52) is fixed to an end of the sliding portion (51) away from the mounting plate (44); a windward plate (6) is slidingly arranged on the surface of the air regulating plate (2); when the air regulating plate (2) is rotated and tilted, the windward plate (6) faces the direction of the exhaust fan (11); the sliding groove (23) of the air regulating plate (2) is provided on the windward plate (6), and a compression spring (24) is arranged inside the air regulating plate (2) The length direction of the compression spring (24) is consistent with the sliding direction of the windward plate (6); fixed plates (7) are slidably arranged on both sides of the air regulating plate (2); a plurality of debris removal teeth (71) are arranged at intervals on the surface of the fixed plate (7); the windward plate (6) drives the fixed plate (7) to slide through a linkage member; when the air regulating plate (2) rotates to 90 degrees with the wind direction, the debris removal teeth (71) between adjacent air regulating plates (2) are staggered; the linkage member is configured as a second connecting rod (8); one end of the second connecting rod (8) is hinged to the windward plate (6), and the other end of the second connecting rod (8) is hinged to the fixed plate (7); A dust removal brush (9) is provided in the air duct (1) for cleaning the surface of the filter screen plate (12) and is arranged in a lifting manner. A driving member for driving the dust removal brush (9) to lift and lower is arranged in the air duct (1); a connecting air duct (10) is provided in the upper top wall of the air duct (1), and a connecting port (101) is provided at one end of the connecting air duct (10); the connecting port (101) is used to connect to the area of ​​the air regulating plate (2) close to the exhaust fan (11); a linkage door (20) is slidably provided at the connecting port (101) of the air duct (1); a rack (201) is provided at the lower side of the linkage door (20); the gear (31) located at the upper side is connected to the rack (201); 01) meshing, when the air volume is adjusted to decrease, the gear (31) drives the rack (201) to slide, thereby realizing the opening of the linkage door (20); the air duct (1) is located in the connected air duct (10) and is rotatably connected to a third rotating shaft (30), and a fan blade (301) is coaxially fixed on the third rotating shaft (30); one end of the dust removal brush (9) is slidably connected to a connecting rod (91), and the other end of the dust removal brush (9) is fixedly connected to a lifting block (92); the air duct (1) is located on both sides of the filter screen plate (12) and is provided with a receiving groove (15), and the connecting rod (91) and the lifting block (92) both extend into the receiving groove (15) on the corresponding side;The air duct (1) is located in one of the receiving grooves (15) and is rotatably connected to a first sprocket (40) and a second sprocket (50); the first sprocket (40) is located above the second sprocket (50); a chain (60) is wound around the first sprocket (40) and the second sprocket (50); a fixed wheel (601) is fixedly connected to the chain (60); an end of the connecting rod (91) away from the dust removal brush (9) is hinged to the fixed wheel (601); the air duct (1) is located in another receiving groove (15) and is provided with a guide rod (16); the lifting block (92) is plugged into and slidably matched with the guide rod (16); 2. A purification system with adjustable air volume for a clean room according to claim 1, characterized in that: The driving member is configured as a first pulley (302), the first pulley (302) is coaxially fixed on the third rotating shaft (30), the air duct (1) is located in the connected air duct (10) and is also rotatably connected to a fourth rotating shaft (70), a second pulley (701) is coaxially fixed on the fourth rotating shaft (70), a belt (80) is wound around the first pulley (302) and the second pulley (701), and the first sprocket (40) is coaxially fixed on the fourth rotating shaft (70).

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