Air conditioning structure for clean rooms

Abstract

This invention relates to the field of cleanroom air conditioning technology, specifically disclosing an air control structure for cleanrooms, comprising: a ventilation unit, a fresh air duct, a return air duct, a first supply air duct, a collection device, a cleaning device, and a regulating device. The ventilation unit is capable of circulating and renewing the air within the cleanroom. The fresh air duct is located at the fresh air inlet of the ventilation unit; the return air duct is located at the return air inlet of the ventilation unit; the first supply air duct is located at the supply air outlet of the ventilation unit; the collection device is located at the outlet of the first supply air duct and is capable of collecting pollutants; the cleaning device is located at the center right side of the outer wall of the outlet of the collection device. This invention, through the coordinated design of the collection device and the cleaning device, changes the traditional cleanroom filter component reliance on manual disassembly and assembly. The cleaning device, using a three-bar linkage drive mechanism, drives symmetrical filter cleaning brushes to perform reciprocating and comprehensive cleaning of the filter, ensuring that there are no dead corners on the front and back sides of the filter.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of clean room air conditioning, in particular to an air conditioning structure for a clean room. BACKGROUND

[0002] In the air conditioning system of a clean room, the filter component is the core component for ensuring the indoor air quality, and the prior art generally relies on manual disassembly, replacement or cleaning of the filter component. This manual operation mode affects the production or experiment progress; meanwhile, during the manual cleaning or disassembly process, the pollutants attached to the surface of the filter screen are easy to fall off and spread into the clean room, thereby damaging the clean environment in the clean room and reducing the air quality in the clean room; the air supply volume of the traditional clean room air conditioning structure is fixedly set, and lacks an effective air volume self-adaptive adjustment mechanism; when the filter component is blocked due to the accumulation of pollutants, the air supply volume will decrease, resulting in uneven air distribution in the clean room and reduced air circulation efficiency, and it is difficult to maintain the preset clean environment standard. SUMMARY

[0003] The present application aims to provide an air conditioning structure for a clean room to solve the problems raised in the background.

[0004] To achieve the above-mentioned purpose, the present application provides the following technical solution: an air conditioning structure for a clean room, characterized in that it comprises: a ventilation unit, a fresh air pipe, a return air pipe, a first air supply pipe, a collection device, a cleaning device and an adjustment device, the ventilation unit being capable of air turnover and circulation in the clean room; the fresh air pipe being arranged at the fresh air inlet of the ventilation unit; the return air pipe being arranged at the return air outlet of the ventilation unit; the first air supply pipe being arranged at the air supply outlet of the ventilation unit; the collection device being arranged at the output port of the first air supply pipe, and being capable of collecting pollutants; the cleaning device being arranged at the center of the right outer wall of the output port of the collection device, and being capable of cooperating with the collection device to clean and collect the pollutants accumulated on the filter component; and the adjustment device being arranged at the output port of the cleaning device, and being capable of adjusting the opening and closing of the output port according to the degree of blockage of the filter component in the collection device, so as to adjust the fixed air supply volume in the clean room.

[0005] Preferably, in order to collect the pollutants of the filter screen, the collecting device comprises: a second air supply pipe, a first moving groove, a second moving groove, a filter screen, a first L-shaped support plate, a rectangular hydraulic push rod, an electric push rod, a support platform, a dust collector and a first sealing plate, the second air supply pipe is arranged at the output port of the first air supply pipe, a through symmetric first moving groove is arranged at the right side center of the outer wall of the second air supply pipe, and a through symmetric second moving groove is arranged at the bottom surface of the inner wall of the second air supply pipe; the filter screen is sleeved at the center of the inner wall of the second air supply pipe; the first L-shaped support plate is arranged at the top end center of the left side of the outer wall of the second air supply pipe; the rectangular hydraulic push rod is arranged at the bottom end right side of the first L-shaped support plate; the electric push rod is arranged at the output end of the rectangular hydraulic push rod; the support platform is arranged at the output end of the electric push rod; the number of dust collectors is two, and the dust collectors are symmetrically arranged at the top surface left end of the support platform; the number of first sealing plates is two, and the first sealing plates are symmetrically arranged at the top surface right end of the dust collectors, and the two dust collectors are sleeved in the two second moving grooves.

[0006] Preferably, the cooperation of the rectangular hydraulic push rod and the electric push rod can drive the two dust collectors or the two first sealing plates to be sleeved in the two second moving grooves.

[0007] Preferably, in order to clean the filter screen in cooperation with the collecting device, the cleaning device comprises: a groove plate, a first driving assembly, a limiting block, a concave rod, a filter screen cleaning brush and a second sealing plate, the groove plate is arranged at the right side center of the outer wall of the second air supply pipe; the first driving assembly is arranged at the top surface right end of the groove plate through a first bearing, and the first driving assembly extends to the left end by a part; the limiting block is arranged at the top surface center close to the groove plate, the output end of the first driving assembly is sleeved in the limiting block, and the output end of the first driving assembly can be limited to move along the inner wall of the limiting block; the concave rod is arranged at the output end of the first driving assembly; the number of filter screen cleaning brushes is two, and the filter screen cleaning brushes are symmetrically arranged at the left two ends of the concave rod; the two filter screen cleaning brushes are annularly sleeved in the left groove of the groove plate; the number of second sealing plates is two, and the second sealing plates are symmetrically arranged at the left sides of the outer walls of the two filter screen cleaning brushes; the two second sealing plates are sleeved in the two first moving grooves, and the two second sealing plates can be limited to move in the two first moving grooves.

[0008] Preferably, in order to drive the two filter screen cleaning brushes to clean the filter screen, the first driving assembly comprises a rotating block, a brake motor, a first connecting rod, a second connecting rod and a cylindrical connecting rod, the rotating block is arranged on the top surface of the right end of the groove plate through a first bearing; the brake motor is arranged on the bottom surface of the right end of the groove plate, the output end of the brake motor is fixedly connected with the center of the bottom end of the rotating block; the first connecting rod is arranged on the top end of the rotating block; the second connecting rod is arranged on the right end of the first connecting rod through a second bearing; the cylindrical connecting rod is arranged on the left end of the second connecting rod through a third bearing, the left end of the cylindrical connecting rod is sleeved in the limiting block, and the cylindrical connecting rod can be limited to move along the inner wall of the limiting block, and the left end of the cylindrical connecting rod is fixedly connected with the right center of the outer wall of the concave rod.

[0009] Preferably, the brake motor can drive the rotating block to rotate the first connecting rod, and the first connecting rod converts the rotating force into a thrust force through the second connecting rod to drive the cylindrical connecting rod to move in the limiting block, so that the two filter screen cleaning brushes contact and clean the front and back sides of the filter screen.

[0010] Preferably, in order to adjust the air flow according to the blockage of pollutants on the filter screen, the adjusting device comprises a third air supply pipe, a third moving groove, an air volume sensor, a second L-shaped support plate, a support long plate, a third L-shaped support plate, a second driving assembly, a connecting block, a connecting rod and a control plate, the third air supply pipe is arranged at the output port of the collecting device, the centers of the two sides of the outer wall of the third air supply pipe are provided with through third moving grooves which are symmetrical; the air volume sensor is arranged at the center of the front end of the bottom surface of the inner wall of the third air supply pipe; the second L-shaped support plate is arranged at the center of the rear end of the bottom surface of the outer wall of the third air supply pipe; the support long plate is arranged at the front end of the top of the second L-shaped support plate; the third L-shaped support plate is arranged at the center of the rear end of the top of the support long plate; the second driving assembly is arranged at the front end of the top surface of the inner wall of the third L-shaped support plate, and the bottom end of the second driving assembly is arranged on the top surface of the support long plate; the number of connecting blocks is two, which are arranged in a staggered manner at the two output ends of the second driving assembly; the number of connecting rods is two, which are arranged in a symmetrical manner at one end of the top surface of the two connecting blocks; the number of control plates is two, which are arranged in a symmetrical manner at the top end of the two connecting rods, the opposite sides of the two control plates are respectively embedded in the two third moving grooves, and the opposite sides of the two control plates respectively extend a part into the inner cavity of the third air supply pipe, and the two control plates can be limited to move along the inner wall of the two third moving grooves.

[0011] Preferably, in order to drive two regulating plates to expand or close synchronously, the second driving assembly comprises a flat brake motor, a gear, a rack and a concave limiting block, the flat brake motor is arranged at the front end of the top surface of the inner wall of the third L-shaped supporting plate, and the flat brake motor is electrically connected with the air volume sensor; the gear is arranged at the output end of the flat brake motor, and the bottom surface of the gear is a certain distance away from the top surface of the supporting long plate; the number of the racks is two, which are arranged in a staggered manner on the outer wall of the gear, the two racks are in meshing with each other, and one end of each of the two racks is connected and fixed with one end of the two connecting blocks; the number of the concave limiting blocks is two, which are sleeved with the outer wall of the other end of the two racks respectively, and the two racks can move along the inner wall of the two concave limiting blocks.

[0012] Preferably, the flat brake motor can drive the gear to rotate and drive the two racks to move, so that the two racks can drive the two regulating plates to expand or close through the two connecting blocks and the two connecting rods.

[0013] Compared with the prior art, the present application has the following advantages:

[0014] 1. The present application changes the traditional clean room filter component mode which relies on manual disassembly and assembly through the cooperative design of the collecting device and the cleaning device; the cleaning device drives the symmetrical filter screen cleaning brush to reciprocally and comprehensively clean the filter screen by means of the three connecting rod driving mechanism, so as to ensure that there is no cleaning dead angle on the front and back sides of the filter screen; at the same time, the collecting device can switch the dust suction assembly to suck the pollutants generated during cleaning in real time, avoid the diffusion of pollutants into the clean room throughout the process, and ensure that the cleaning process does not affect the cleanliness of the room; the whole cleaning process does not need manual participation, and is only executed during the non-operation period of the ventilation unit, so as to avoid frequent replacement of the filter screen and improve the air filtration quality.

[0015] 2. The filter screen clogging condition is sensed by the component which monitors the air supply volume in real time; when the filter screen is clogged due to the accumulation of pollutants, the regulating plate can be automatically expanded to compensate for the loss of air volume by adjusting and expanding the air supply opening, so as to ensure that the air volume delivered to the clean room always meets the preset standard, and solve the problem that the traditional structure causes air supply fluctuation due to filter screen clogging; the adjusting process adopts a high-precision transmission structure to realize the synchronous opening and closing of the regulating plate, improve the accuracy of air volume adjustment and the air supply quality, and meet the strict requirements of the clean room on the air environment. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the present application;

[0017] Figure 2 It is a position structural schematic diagram of the collecting device of the present application;

[0018] Figure 3 It is Figure 2 It is an enlarged view of A in the inner part;

[0019] Figure 4 The second air supply pipe top section structure diagram of the collecting device of the present application;

[0020] Figure 5 The second air supply pipe side section structure diagram of the collecting device of the present application;

[0021] Figure 6 The support platform top connecting component structure diagram of the collecting device of the present application;

[0022] Figure 7 The cleaning device position structure diagram of the present application;

[0023] Figure 8 The cleaning device structure diagram of the present application;

[0024] Figure 9 The cleaning device split structure diagram of the present application;

[0025] Figure 10 The adjusting device structure diagram of the present application;

[0026] Figure 11 The second driving assembly structure diagram of the present application;

[0027] Figure 12 The third air supply pipe structure diagram of the adjusting device of the present application.

[0028] In the figure: 1, the ventilator set; 2, the fresh air pipe; 3, the return air pipe; 4, the first air supply pipe; 5, the collecting device; 51, the second air supply pipe; 52, the first moving groove; 53, the second moving groove; 54, the filter screen; 55, the first L-shaped support plate; 56, the rectangular hydraulic push rod; 57, the electric push rod; 58, the support platform; 59, the dust collector; 510, the first sealing plate; 6, the cleaning device; 61, the recessed plate; 62, the first driving assembly; 621, the rotating block; 622, the brake motor; 623, the first connecting rod; 624, the second connecting rod; 625, the cylindrical connecting rod; 63, the limiting block; 64, the concave rod; 65, the filter screen cleaning brush; 66, the second sealing plate; 7, the adjusting device; 71, the third air supply pipe; 72, the third moving groove; 73, the air volume sensor; 74, the second L-shaped support plate; 75, the support long plate; 76, the third L-shaped support plate; 77, the second driving assembly; 771, the flat brake motor; 772, the gear; 773, the rack; 774, the concave limiting block; 78, the connecting block; 79, the connecting rod; 710, the control board. DETAILED DESCRIPTION

[0029] Clearly, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.

[0030] Please refer to Figures 1-12 The present application provides an air conditioning structure for a clean room: comprising: a ventilation unit 1, a fresh air pipe 2, a return air pipe 3, a first air supply pipe 4, a collection device 5, a cleaning device 6 and an adjusting device 7, the ventilation unit 1 can update and circulate the air in the clean room, and the ventilation unit 1 is used to drive air suction and air supply; the fresh air pipe 2 is arranged at the fresh air inlet of the ventilation unit 1, and the core function of the fresh air pipe 2 is to introduce fresh air from the outside after purification treatment, to supplement the oxygen in the room and improve the air quality; the return air pipe 3 is arranged at the return air inlet of the ventilation unit 1, and the function of the return air pipe is to recycle the used air in the room back to the ventilation unit 1, to reduce energy waste and maintain system air pressure balance; the first air supply pipe 4 is arranged at the air supply inlet of the ventilation unit 1, and the first air supply pipe 4 is used for air supply; the collection device 5 is arranged at the output port of the first air supply pipe 4, and the collection device 5 can collect pollutants to prevent the pollutants from falling and splashing into the clean room during the cleaning process of the filter screen 54; the cleaning device 6 is arranged at the right center of the output port outer wall of the collection device 5, and the cleaning device 6 can cooperate with the collection device 5 to clean and collect the pollutants accumulated on the filter part, the cleaning device 6 can clean the filter screen 54 in all directions, and cooperates with the collection device 5 to replace manual disassembly, for automatic cleaning and collection of pollutants; the adjusting device 7 is arranged at the output port of the cleaning device 6, and the adjusting device 7 can adjust the opening and closing of the output port according to the degree of blockage of the filter part in the collection device 5, so as to adjust the fixed air supply amount in the clean room, and the adjusting device 7 can cooperate with the collection device 5 and the cleaning device 6, when the adjusting device 7 expands to the maximum opening, the maximum air supply amount is reduced, the amount of pollutants accumulated in the filter screen 54 is the maximum, and the collection device 5 and the cleaning device 6 are linked to process the pollutants of the filter screen 54.

[0031] As a preferred solution, further, such as Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 and Figure 6As shown, the collecting device 5 comprises: a second air supply pipe 51, a first moving groove 52, a second moving groove 53, a filter screen 54, a first L-shaped support plate 55, a rectangular hydraulic push rod 56, an electric push rod 57, a support platform 58, a dust collector 59, and a first sealing plate 510. The second air supply pipe 51 is arranged at the output of the first air supply pipe 4. Two first moving grooves 52 are symmetrically arranged at the right side of the outer wall of the second air supply pipe 51. Two second moving grooves 53 are symmetrically arranged at the bottom of the inner wall of the second air supply pipe 51. The filter screen 54 is arranged at the center of the inner wall of the second air supply pipe 51. The filter screen 54 is used to filter the pollutants in the air. The outer edge of the filter screen 54 is a frame, which is fixedly connected to the inner wall of the second air supply pipe 51. The first L-shaped support plate 55 is arranged at the top center of the left side of the outer wall of the second air supply pipe 51. The inner wall of the second air supply pipe 51 supports the rectangular hydraulic push rod 56. The rectangular hydraulic push rod 56 is arranged at the bottom right side of the first L-shaped support plate 55. The rectangular hydraulic push rod 56 has a bearing function, which can stably support the connecting components at the pushing end of the rectangular hydraulic push rod 56. The electric push rod 57 is arranged at the output end of the rectangular hydraulic push rod 56. The electric push rod 57 can be limitedly moved through the rectangular hydraulic push rod 56. The support platform 58 is arranged at the output end of the electric push rod 57. The support platform 58 is used to stably support two support platforms 58 and two first sealing plates 510. The dust collector 59 is arranged at the top left end of the support platform 58. The dust collector 59 is used to adsorb and collect the pollutants falling during the cleaning of the filter screen 54. The first sealing plate 510 is arranged at the top right end of the dust collector 59. The two dust collectors 59 are symmetrically arranged in the two second moving grooves 53. The bottom end of the first sealing plate 510 has a round rod, which is used to extend the top surface to the same horizontal line as the top surface of the two dust collectors 59, and to better fit into the two second moving grooves 53. The cooperation of the rectangular hydraulic push rod 56 and the electric push rod 57 can drive the two dust collectors 59 or the two first sealing plates 510 to fit into the two second moving grooves 53, and the two dust collectors 59 or the two first sealing plates 510 fitting into the two second moving grooves 53 are in a sealed state.

[0032] As a preferred solution, further, as Figure 4 、 Figure 7 、 Figure 8 and Figure 9As shown, the cleaning device 6 comprises a groove plate 61, a first driving assembly 62, a limiting block 63, a concave rod 64, filter screen cleaning brushes 65 and second sealing plates 66. The groove plate 61 is arranged at the right center of the outer wall of the second air supply pipe 51, and the groove at the left end of the groove plate 61 is used to provide movement space for the two filter screen cleaning brushes 65. The first driving assembly 62 is arranged at the right end of the top surface of the groove plate 61 through a first bearing, and the first driving assembly 62 extends to the left end by a part. The limiting block 63 is arranged at the center of the top surface close to the groove plate 61, the output end of the first driving assembly 62 is sleeved in the limiting block 63, the output end of the first driving assembly 62 can be limited to move along the inner wall of the limiting block 63, and the limiting block 63 is also used to support the cylindrical connecting rod 625. The concave rod 64 is arranged at the output end of the first driving assembly 62, and the center of the concave rod 64 is provided with operation space. The filter screen cleaning brushes 65 are two in number and are symmetrically arranged at the left two ends of the concave rod 64. The two filter screen cleaning brushes 65 are sleeved in the left end groove of the groove plate 61. The second sealing plates 66 are two in number and are symmetrically arranged at the left sides of the outer walls of the two filter screen cleaning brushes 65. The two second sealing plates 66 are sleeved in the two first moving grooves 52 respectively, and the two second sealing plates 66 can be limited to move in the two first moving grooves 52 respectively. The brush parts opposite to the two filter screen cleaning brushes 65 are longer than the opposite surfaces of the second sealing plates 66, which are used to contact the front and rear sides of the filter screen 54. The brush parts of the two filter screen cleaning brushes 65 are also longer than the two first moving grooves 52, but during the movement of the two first moving grooves 52, the brush parts of the two filter screen cleaning brushes 65 can be deformed, so as to contact the front and rear sides of the filter screen 54 through rebounding and clean the pollutants.

[0033] As a preferred solution, further, as Figure 8 and Figure 9As shown, the first driving assembly 62 comprises a rotating block 621, a brake motor 622, a first connecting rod 623, a second connecting rod 624 and a cylindrical connecting rod 625. The rotating block 621 is arranged at the right end of the top surface of the groove plate 61 through a first bearing, and is used for transmission and heightening so that the cylindrical connecting rod 625 can be located in the limiting block 63. The brake motor 622 is arranged at the right end of the bottom surface of the groove plate 61, and the output end of the brake motor 622 is fixedly connected with the center of the bottom end of the rotating block 621. The brake motor 622 has a certain self-locking ability, and can ensure that the connected components are not displaced by external force in the inhibited state. The first connecting rod 623 is arranged at the top end of the rotating block 621. The second connecting rod 624 is arranged at the right end of the first connecting rod 623 through a second bearing. The cylindrical connecting rod 625 is arranged at the left end of the second connecting rod 624 through a third bearing, and the left end of the cylindrical connecting rod 625 is sleeved in the limiting block 63 and can be limitedly moved along the inner wall of the limiting block 63. The left end of the cylindrical connecting rod 625 is fixedly connected with the right center of the outer wall of the concave rod 64. The brake motor 622 can drive the rotating block 621 to rotate, and the first connecting rod 623 converts the rotating force into thrust force through the second connecting rod 624 to drive the cylindrical connecting rod 625 to be limitedly moved in the limiting block 63, so that the two filter screen cleaning brushes 65 contact and clean the front and back sides of the filter screen 54. The first driving assembly 62 uses the mechanical principle of three connecting rods, converts the input rotating force into linear thrust force in a specific direction stably, and realizes reciprocating operation, and is suitable for the repeated cleaning of the two filter screen cleaning brushes 65 on the filter screen 54.

[0034] As a preferred solution, further, as Figure 10 、 Figure 11 and Figure 12As shown, the adjusting device 7 comprises a third air supply pipe 71, a third moving groove 72, an air volume sensor 73, a second L-shaped support plate 74, a support long plate 75, a third L-shaped support plate 76, a second driving assembly 77, a connecting block 78, a connecting rod 79 and a regulating plate 710. The third air supply pipe 71 is arranged at the output port of the collecting device 5. The outer wall of the third air supply pipe 71 is provided with a third moving groove 72 symmetrically at the center of both sides. The air volume sensor 73 is arranged at the center of the front end of the inner wall bottom surface of the third air supply pipe 71. The air volume sensor 73 is used for detecting the final air supply volume and providing a driving source signal for the flat brake motor 771. The second L-shaped support plate 74 is arranged at the center of the rear end of the outer wall bottom surface of the third air supply pipe 71. The second L-shaped support plate 74 is used for supporting the connecting support long plate 75. The support long plate 75 is arranged at the front end of the bottom of the second L-shaped support plate 74. The support long plate 75 provides important support and mounting points for the second driving assembly. The third L-shaped support plate 76 is arranged at the center of the rear end of the top surface of the support long plate 75. The third L-shaped support plate 76 is used for supporting the flat brake motor 771. The second driving assembly 77 is arranged at the front end of the inner wall top surface of the third L-shaped support plate 76. The bottom end of the second driving assembly 77 is arranged at the top surface of the support long plate 75. The connecting block 78 is two in number and is arranged at the two output ends of the second driving assembly 77 in a staggered manner. The two connecting blocks 78 are used for arranging the two connecting rods 79 in the same horizontal line and symmetrically. The connecting rod 79 is two in number and is arranged at one end of the top surface of the two connecting blocks 78 in a symmetric manner. The two connecting rods 79 are used for connecting and driving the two connecting blocks 78 and the two regulating plates 710. The regulating plate 710 is two in number and is arranged at the top end of the two connecting rods 79 in a symmetric manner. The opposite sides of the two regulating plates 710 are respectively embedded in the two third moving grooves 72. The opposite sides of the two regulating plates 710 respectively extend into the inner cavity of the third air supply pipe 71 by a part. The two regulating plates 710 can be limitedly moved along the inner wall of the two third moving grooves 72. The size of the opening and closing port of the two regulating plates 710 is the size of the normal air supply port. When the filter screen 54 is blocked by pollutants and affects the normal air supply volume, the two regulating plates 710 are expanded to ensure the original fixed air supply volume.

[0035] As a preferred solution, further, as Figure 11As shown, the second driving assembly 77 comprises: a flat brake motor 771, a gear 772, a rack 773 and a concave limiting block 774, the flat brake motor 771 is arranged at the front end of the inner wall top surface of the third L-shaped support plate 76, the flat brake motor 771 is electrically connected with the air volume sensor 73, the flat brake motor 771 has a certain self-locking ability, and the flat brake motor 771 has a small occupied volume, which is suitable for the compact structure distribution space of the second driving assembly; the gear 772 is arranged at the output end of the flat brake motor 771, and the bottom surface of the gear 772 is a certain distance away from the top surface of the support long plate 75; the number of the rack 773 is two, which are arranged in a staggered manner on the outer wall of the gear 772, both of the two racks 773 are meshed with the gear 772, and one end of each of the two racks 773 is connected and fixed with one end of the two connecting blocks 78; the number of the concave limiting block 774 is two, which are respectively sleeved on the other end outer wall of the two racks 773, and the two racks 773 can move along the inner wall of the two concave limiting blocks 774; the flat brake motor 771 can drive the gear 772 to rotate and drive the two racks 773 to move, so that the two racks 773 can drive the two regulating plates 710 to expand or close through the two connecting blocks 78 and the two connecting rods 79, and the second driving assembly 77 can drive the two regulating plates 710 to expand and open and close with high precision, so as to adjust the air supply volume with high precision.

[0036] Because the traditional filter component is filtered for a long time, it will be blocked by pollutants to different degrees, but the traditional filter component is generally replaced, and the blockage of pollutants to different degrees will cause the air supply volume to change, so that when the air volume sensor 73 detects that the filter screen 54 is blocked by pollutants filtered by the filter screen 54 and the air supply volume decreases, the air volume sensor 73 drives the two regulating plates 710 to expand in the third air supply pipe 71 as the driving source signal of the flat brake motor 771, and the air supply volume is increased, so as to ensure that the original air supply volume is delivered to the clean room, and the regulation precision and air supply quality are improved.

[0037] Compared with the traditional clean room air regulation structure, the filter component can be automatically cleaned and pollutants can be collected, when the two regulating plates 710 expand to the maximum air supply volume and the air supply volume decreases, the pollutants accumulated on the filter screen 54 are the maximum or more, when the ventilating set 1 stops delivering air to the clean room, the present application is in a non-running and stationary state, the two dust collectors 59 are driven to replace the two first sealing plates 510 by the cooperation of the rectangular hydraulic push rod 56 and the electric push rod 57, the pollutants on the front and back sides of the filter screen 54 are repeatedly cleaned by the filter screen cleaning brush 65 driven by the brake motor 622, the falling pollutants are not diffused, but are all sucked into the machine by the two dust collectors 59, and the filtering and air supply quality are improved.

[0038] The specific work is as follows:

[0039] Air circulation drive: start the fan unit 1, which inhales outdoor air through the fresh air inlet, enters the unit inside through the fresh air pipe 2; at the same time, the used air in the clean room flows back to the fan unit 1 through the return air pipe 3, forming a "fresh air supply and indoor air circulation" double-path air turnover, realizing the continuous update of the clean room air;

[0040] Preliminary air filtration: the air treated by the fan unit 1 is delivered to the first air supply pipe 4 through the air supply port, and then enters the second air supply pipe 51 of the collection device 5; when the air flows through the filter screen 54 in the center of the inner wall of the second air supply pipe 51, the particles, dust and other pollutants in the air are intercepted by the filter screen 54, completing air purification, and the purified air continues to be delivered to the adjusting device 7;

[0041] In the daily filtration stage, the rectangular hydraulic push rod 56 and the electric push rod 57 in the collection device 5 cooperatively drive the support platform 58, so that the two first sealing plates 510 are respectively embedded in the two second moving grooves 53 on the bottom surface of the inner wall of the second air supply pipe 51, closing the second moving grooves 53; at the same time, the two second sealing plates 66 of the cleaning device 6 are embedded in the two first moving grooves 52 on the right side of the outer wall of the second air supply pipe 51, closing the first moving grooves 52, ensuring the air tightness of the second air supply pipe 51, and avoiding leakage of unfiltered air.

[0042] When the adjusting device 7 detects that the air supply volume continues to decrease (indicating that the filter screen 54 is seriously polluted), and the fan unit 1 is stopped, the filter screen cleaning process is started:

[0043] The rectangular hydraulic push rod 56 supported by the first L-shaped support plate 55 is started, which pushes the electric push rod 57 and the support platform 58 to move horizontally, and at the same time, the electric push rod 57 finely adjusts the height of the support platform 58, so that the two dust collectors 59 on the top surface of the left end of the support platform 58 are accurately embedded in the two second moving grooves 53, and the dust collectors 59 are started and ready to collect the pollutants generated during cleaning;

[0044] The recessed plate 61 of the cleaning device 6 provides a mounting base, the brake motor 622 at the bottom right end of which is started to drive the rotating block 621 on the top to rotate around the first bearing; the rotating block 621 drives the first connecting rod 623 on the top to rotate synchronously, and the first connecting rod 623 pulls the second connecting rod 624 through the second bearing, converts the rotating force into linear thrust, and pushes the cylindrical connecting rod 625 at the left end of the second connecting rod 624 to move reciprocally along the inner wall of the limiting block 63;

[0045] The left end of the cylindrical connecting rod 625 is fixedly connected with the concave rod 64, and the reciprocating movement of the cylindrical connecting rod 625 drives the concave rod 64 to move synchronously, so that the two filter screen cleaning brushes 65 at the left ends of the concave rod 64 reciprocate in the grooves at the left ends of the groove plate 61; the filter screen cleaning brushes 65 are in close contact with the front and rear sides of the filter screen 54, and the pollutants accumulated on the filter screen 54 are swept off, and the swept pollutants are directly sucked into the dust collector 59 in the second moving groove 53 below for collection, so that the pollutants are prevented from spreading to the clean room.

[0046] After cleaning, the brake motor 622 is stopped, the cylindrical connecting rod 625 drives the concave rod 64 and the filter screen cleaning brush 65 to reset; at the same time, the rectangular hydraulic push rod 56 and the electric push rod 57 drive the support platform 58, so that the dust collector 59 exits the second moving groove 53, and the first sealing plate 510 re-embeds into the second moving groove 53 to restore the sealing state.

[0047] Air supply amount self-adaptive adjustment link:

[0048] Air volume monitoring: the third air supply pipe 71 of the adjusting device 7 receives the purified air from the collecting device 5, and the air volume sensor 73 at the inner wall bottom front end center of the third air supply pipe 71 monitors the air flow passing through the third air supply pipe 71 in real time, and converts the flow data into an electrical signal and transmits it to the second driving assembly 77;

[0049] When the air volume sensor 73 detects that the air volume is lower than the preset value (due to the blockage of the filter screen 54), the signal triggers the second driving assembly 77; the third L-shaped support plate 76 and the support long plate 75 together fix the flat brake motor 771, the flat brake motor 771 starts the gear 772 at the driving output end to rotate; the gear 772 is engaged with the two misaligned racks 773, and drives the two racks 773 to move reversely along the inner walls of the concave limiting blocks 774;

[0050] The two racks 773 are fixedly connected with the two connecting blocks 78 respectively, and the reverse movement of the rack 773 drives the connecting block 78 to move synchronously; the connecting block 78 drives the two regulating plates 710 at the top end to move along the third moving grooves 72 at the two sides of the outer wall of the third air supply pipe 71 through the connecting rods 79 at the top surface, so as to adjust the cross-sectional area of the air supply port of the third air supply pipe 71, compensate for the loss of air volume caused by the blockage of the filter screen 54, and ensure that the air volume delivered to the clean room always meets the preset standard;

[0051] When the cleaning of the filter screen 54 is completed, the air volume sensor 73 detects that the air volume returns to normal, the flat brake motor 771 rotates reversely, drives the gear 772 and the rack 773 to reset, and then drives the two regulating plates 710 to close through the connecting block 78 and the connecting rod 79, so as to restore the initial cross-sectional area of the air supply port.

[0052] In summary, the ventilation unit 1 provides air circulation power, the fresh air pipe 2 and the return air pipe 3 guarantee air turnover, the first air supply pipe 4, the second air supply pipe 51 and the third air supply pipe 71 constitute air flow channels; the collecting device 5 and the cleaning device 6 solve the problem of filter screen cleaning and pollution, the adjusting device 7 solves the problem of filter screen blockage and air volume fluctuation, the three devices are linked to realize a closed loop of filtering, cleaning and adjusting, and finally improve the clean room air supply precision and air quality.

[0053] While embodiments of the application have been shown and described, it is to be understood that the embodiments described are merely divergences, modifications, replacements and variations of the embodiments, and the scope of the application is defined by the appended claims and their equivalents.

Claims

1. An air conditioning structure for a clean room, characterized by comprising: Include: Ventilation unit (1) can be clean room air turnover update and circulation; Fresh air pipe (2) is provided with fresh air outlet of ventilation unit (1); Return air pipe (3) is provided with return air outlet of ventilation unit (1); The first air supply pipe (4) is provided with the air supply outlet of the ventilation unit (1); Collecting device (5) is provided at the output port of the first air supply pipe (4), and the collecting device (5) can collect pollutants; Cleaning device (6) is provided at the output port of the collecting device (5), and the cleaning device (6) can cooperate with the collecting device (5) to clean and collect the pollutants accumulated on the filter element; Adjusting device (7) is provided at the output port of the cleaning device (6), and the adjusting device (7) can adjust the opening and closing of the output port according to the blockage degree of the filter element in the collecting device (5), so as to adjust the fixed air supply quantity in the clean room; The collecting device (5) comprises: The second air supply pipe (51) is provided at the output port of the first air supply pipe (4), and the second air supply pipe (51) is provided with two first moving grooves (52) which are symmetrical and through the outer wall right side center, and the second air supply pipe (51) is provided with two second moving grooves (53) which are symmetrical and through the inner wall bottom surface; Filter screen (54) is sleeved on the inner wall center of the second air supply pipe (51); The first L-shaped support plate (55) is provided at the outer wall left side top center of the second air supply pipe (51); Rectangular hydraulic push rod (56) is provided at the bottom right side of the first L-shaped support plate (55); Electric push rod (57) is provided at the output end of the rectangular hydraulic push rod (56); Support platform (58) is provided at the output end of the electric push rod (57); Dust collector (59) is two, respectively symmetrical setting in the top left end of the support platform (58); The first sealing plate (510) is two, respectively symmetrical setting in the top right end of the dust collector (59), and the two dust collectors (59) are respectively sleeved in the two second moving grooves (53); The cleaning device (6) comprises: Groove plate (61) is provided at the outer wall right side center of the second air supply pipe (51); First drive assembly (62) is provided at the top right end of the groove plate (61) through the first bearing, and the first drive assembly (62) extends a part to the left end; Limiting block (63) is provided at the top center close to the groove plate (61), the output end of the first drive assembly (62) is sleeved in the limiting block (63), and the output end of the first drive assembly (62) can move along the inner wall of the limiting block (63); Concave rod (64) is provided at the output end of the first drive assembly (62); Filter screen cleaning brush (65) is two, respectively symmetrical setting in the left two ends of the concave rod (64), and the two filter screen cleaning brushes (65) are annularly sleeved in the left groove of the groove plate (61). Second sealing plate (66), the number is two, respectively symmetrically arranged on the outer wall left side of two filter screen cleaning brushes (65), two second sealing plates (66) are respectively sleeved in two first moving grooves (52), and two second sealing plates (66) can be limited to move in two first moving grooves (52) respectively; The adjusting device (7) comprises: Third air supply pipe (71) is provided at the output of the collecting device (5), and the outer wall of the third air supply pipe (71) is provided with a through third moving groove (72) symmetrically at the center of both sides; Wind volume sensor (73) is arranged at the inner wall bottom surface front end center of the third air supply pipe (71); Second L-shaped support plate (74) is arranged at the outer wall bottom surface rear end center of the third air supply pipe (71); Supporting long plate (75) is arranged at the bottom front end of the second L-shaped support plate (74); Third L-shaped support plate (76) is arranged at the top surface rear end center of the supporting long plate (75); Second drive assembly (77) is arranged at the inner wall top surface front end of the third L-shaped support plate (76), and the bottom end of the second drive assembly (77) is arranged on the top surface of the supporting long plate (75); Connecting block (78), the number is two, respectively staggered arrangement in two output ends of the second drive assembly (77); Connecting rod (79), the number is two, respectively symmetrically arranged on one end of the top surface of two connecting blocks (78); Control board (710), the number is two, respectively symmetrically arranged on the top end of two connecting rods (79), two control boards (710) are respectively embedded in two third moving grooves (72) on the opposite sides, and two control boards (710) respectively extend a part to the inner cavity of the third air supply pipe (71) on the opposite sides, and two control boards (710) can be limited to move along the inner wall of two third moving grooves (72). The cooperation of the rectangular hydraulic push rod (56) and the electric push rod (57) can drive two dust collectors (59) or two first sealing plates (510) to be sleeved in two second moving grooves (53) respectively.

2. An air management structure for a clean room according to claim 1, wherein The first drive assembly (62) comprises:

3. An air management structure for a clean room according to claim 2, wherein: Rotary block (621) is arranged on the top surface right end of the groove plate (61) through a first bearing; Brake motor (622) is arranged on the bottom surface right end of the groove plate (61), and the output end of the brake motor (622) is connected and fixed with the bottom end center of the rotary block (621); First connecting rod (623) is arranged on the top end of the rotary block (621); Second connecting rod (624) is arranged on the right end of the first connecting rod (623) through a second bearing; Cylindrical connecting rod (625) is arranged on the left end of the second connecting rod (624) through a third bearing, the left end of the cylindrical connecting rod (625) is sleeved in the limiting block (63), and the cylindrical connecting rod (625) can be limited to move along the inner wall of the limiting block (63), and the left end of the cylindrical connecting rod (625) is fixedly connected with the outer wall right side center of the concave rod (64). ​ 4. An air management structure for a clean room according to claim 3, wherein: The brake motor (622) can drive the rotating block (621) to rotate the first connecting rod (623), and the first connecting rod (623) converts the rotating force into thrust through the second connecting rod (624) to drive the cylindrical connecting rod (625) to move in the limiting block (63), so that the two filter screen cleaning brushes (65) contact and clean the front and rear sides of the filter screen (54).

5. An air management structure for a clean room according to claim 4, wherein: The second driving assembly (77) comprises: A flat brake motor (771) is arranged at the front end of the inner wall top surface of the third L-shaped support plate (76), and the flat brake motor (771) is electrically connected with the air volume sensor (73); A gear (772) is arranged at the output end of the flat brake motor (771), and the bottom surface of the gear (772) is a certain distance from the top surface of the support long plate (75); Two rack gears (773) are arranged in a staggered manner on the outer wall of the gear (772), and the two rack gears (773) are in meshing connection with the gear (772), and one end of each of the two rack gears (773) is connected with one end of the two connecting blocks (78); Two concave limiting blocks (774) are sleeved on the outer wall of the other end of the two rack gears (773), and the two rack gears (773) can move along the inner wall of the two concave limiting blocks (774).

6. An air management structure for a clean room according to claim 5, wherein: The flat brake motor (771) can drive the gear (772) to rotate and drive the two rack gears (773) to move, so that the two rack gears (773) can drive the two control plates (710) to expand or close through the two connecting blocks (78) and the two connecting rods (79).

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