Multifunctional air cooler special for agaricus bisporus

Abstract

The invention discloses a multifunctional air cooler special for agaricus bisporus, and belongs to the field of air coolers. A multifunctional air cooler special for agaricus bisporus comprises an air feeder and a frame arranged at the air outlet end of the air feeder. A mounting cavity is formed in the middle of the frame; partition channels are evenly arranged in the frame and located on the two sides of the installation cavity. An air valve for changing the ventilation area of each partition channel is rotationally connected into each partition channel; opening and closing frames for driving the air valves to move are slidably connected to the positions, corresponding to the air valves, in the mounting cavity. A driving unit for driving each air valve to move is arranged in the mounting cavity; a screw rod is rotationally connected into the mounting cavity; the driving unit comprises a switching sleeve which is in transmission connection with the screw rod; the switching sleeve is provided with driving levers which are distributed along the radial direction; according to the scheme, a plurality of subarea channels are arranged and communicated with all the areas in the mushroom house, and airflow is provided for all the areas in the mushroom house.

Description

Technical Field

[0001] The invention belongs to the field of air coolers, and more specifically, relates to a multifunctional air cooler dedicated to Agaricus bisporus. Background Art

[0002] During the cultivation of Agaricus bisporus, due to external factors such as the differences in the growth status of Agaricus bisporus in different areas of the mushroom house, the temperature and carbon dioxide concentration in the mushroom house are not evenly distributed. That is, the temperature or carbon dioxide concentration in a certain area of the mushroom house is lower or higher, and artificial regulation is required to restore it to the normal range.

[0003] It is difficult for existing products to independently adjust the temperature and carbon dioxide concentration in each area of the mushroom house, and thus cannot meet normal needs. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a multifunctional air cooler specially used for Agaricus bisporus, which can realize independent adjustment of temperature and carbon dioxide concentration in various areas in a mushroom house.

[0005] A multifunctional air cooler dedicated to Agaricus bisporus of the present invention comprises an air supply fan and a frame arranged at the air outlet end of the air supply fan; an installation cavity is arranged in the middle of the frame; partition channels are evenly arranged on both sides of the installation cavity in the frame; each of the partition channels is rotatably connected with an air valve for changing the ventilation area of the partition channel; an opening and closing frame for driving the air valve to move is slidably connected to the position corresponding to each air valve in the installation cavity; a driving unit for driving the movement of each air valve is arranged in the installation cavity; a screw rod is rotatably connected in the installation cavity; the driving unit comprises a switching sleeve connected to the screw rod; a shifting rod distributed in the radial direction is arranged on the switching sleeve; when the switching sleeve is rotated until the shifting rod is inserted into any one of the opening and closing frames, the longitudinal movement of the switching sleeve will drive the opening and closing frame to move synchronously.

[0006] As a further improvement of the present invention, a sliding column is provided at an eccentric position of the side wall of the air valve; a sliding groove distributed in a horizontal direction and slidably connected to the sliding column is provided on the opening and closing frame; and the shifting rod can be inserted into the sliding groove.

[0007] As a further improvement of the present invention, a gear rod is rotatably connected to the switching sleeve in the installation cavity; the rotating shaft of the gear rod is parallel to the rotating shaft of the screw and does not overlap; when the gear rod cannot rotate, the screw drives the switching sleeve to move longitudinally; when the gear rod can rotate, the screw drives the switching sleeve to rotate synchronously in the circumferential direction.

[0008] As a further improvement of the present invention, the driving unit further includes a sliding frame that longitudinally slides synchronously with the switching sleeve; a gas cylinder rack is arranged on one side of the sliding frame; a gas cylinder for storing carbon dioxide is installed in the gas cylinder rack; air pipes extending into the installation cavity are arranged on the side walls of each partition channel; a connecting pipe for connecting the gas cylinder and the air pipe is arranged on the gas cylinder rack; when the sliding frame moves longitudinally, the connecting pipe communicates with different air pipes.

[0009] As a further improvement of the present invention, a pressing frame is longitudinally slidably connected in the gas cylinder rack; a pressing rod for pressing the gas cylinder to release gas is arranged on the side of the pressing frame close to the gas cylinder; a resisting head is arranged on the side of the pressing frame close to the switching sleeve; inclined surfaces are respectively arranged on both sides of the resisting head; a pressing spring for resetting the pressing frame is arranged between the pressing frame and the gas cylinder rack; when the switching sleeve rotates and the dial rod moves through the inclined surface to the upper end of the resisting head, the dial rod forces the pressing frame to move downward, and the gas cylinder releases gas.

[0010] As a further improvement of the present invention, anti-rotation protrusions are uniformly arranged on the outer wall of the gear rod along the circumferential direction; an anti-rotation frame is longitudinally slidably connected in the installation cavity; an anti-rotation slot for inserting and blocking the rotation of the gear rod is arranged on the anti-rotation frame; a rod motor is fixedly connected in the installation cavity; a cam for driving the anti-rotation frame to move is arranged on the output shaft of the rod motor; an anti-rotation spring for driving the anti-rotation frame to abut against the cam is arranged between the anti-rotation frame and the installation cavity.

[0011] As a further improvement of the present invention, a clamping plate for pressing the gas cylinder tightly is slidably connected in the gas cylinder rack along the radial direction of the gas cylinder; a central gear is rotatably connected to the gas cylinder rack; a convex head for driving the clamping plate to separate from the gas cylinder is arranged on the outer wall of the central gear; a driving gear is coaxially arranged with the cam; when the sliding frame is at the lower limit position, the driving gear meshes with the central gear.

[0012] As a further improvement of the present invention, a resisting plate extending downward is arranged on the sliding frame; when the sliding frame is at the lower limit position, the resisting plate abuts against the anti-rotation frame, and the anti-rotation slot is always inserted with the anti-rotation protrusion.

[0013] As a further improvement of the present invention, a storage rack for placing a new gas cylinder, a synchronous belt for driving the storage rack to move longitudinally, and a speed-changing gear set drivingly connected with the synchronous belt are arranged at the lower part of the installation cavity; when the sliding frame is at the lower limit position, the central gear is drivingly connected with the speed-changing gear set.

[0014] As a further improvement of the present invention, a hot water coil, a cold water coil, and a fresh air box are sequentially arranged at the air inlet end of the air blower.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: By setting multiple partition channels connected to each area in the mushroom house, airflows are provided to each area in the mushroom house respectively. And by rotating the air valves in the partition channels, the ventilation area of the partition channels is changed, thereby changing the air supply ratio of each partition channel. According to the real-time environmental changes in the mushroom house, different air output volumes are provided to each area to meet the requirements of each area.

[0016] In this solution, by setting a screw rod and a gear rod, when the gear rod cannot rotate, the screw rod drives the switching sleeve to move longitudinally, so that the switching sleeve moves to a specified position to prepare for the subsequent movement of the specified air valve. When the gear rod can rotate, the screw rod drives the switching sleeve to rotate circumferentially synchronously, facilitating the insertion of the dial rod into the specified chute to drive the specified air valve to rotate.

[0017] This solution provides carbon dioxide for all partition channels with only one gas cylinder, rather than equipping each partition channel with a gas cylinder. If each partition channel is equipped with a gas cylinder, it may lead to a certain gas cylinder not being used for a long time, resulting in air leakage or abnormal gas output of the gas cylinder, causing waste.

[0018] In this solution, the dial rod on the switching sleeve can not only cooperate with the chute to change the inclination angle of each air valve, but also cooperate with the pressing frame to force the gas cylinder to open and supply carbon dioxide into the mushroom house.

[0019] The rod motor in this solution can not only drive the cam to rotate, thereby controlling whether the gear rod can rotate, but also drive the gear to drive the central gear to rotate to replace the gas cylinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a schematic structural diagram of the present invention; Figure 2 is a schematic sectional structural diagram of the present invention; Figure 3 is a schematic exploded structural diagram of the present invention; Figure 4 is a schematic sectional structural diagram of the driving unit of the present invention; Figure 5 is a schematic structural diagram of the air valve and the opening and closing frame of the present invention; Figure 6 is a schematic structural diagram of the gas cylinder and the gas cylinder rack of the present invention; Figure 7 is a schematic structural diagram of the present invention when the rotation prevention frame is in the upper limit position; Figure 8 is a schematic structural diagram of the present invention when replacing the gas cylinder.

[0021] Explanation of the reference numerals in the drawings: 11. Blower; 13. Hot water coil; 14. Cold water coil; 15. Fresh air box; 2. Frame; 21. Partition channel; 22. Installation cavity; 23. Ventilation pipe; 31. Air valve; 311. Sliding column; 32. Opening and closing frame; 321. Slide; 4. Driving unit; 41. Sliding frame; 411. Stop plate; 42. Transmission gear; 43. Switching sleeve; 431. Switching gear; 432. Lever; 44. Cylinder rack; 441. Connecting pipe; 45. Pressing frame; 451. Butt; 452. Inclined surface; 453. Pressing rod; 46. Clamping plate; 47. Center gear; 471. Boss; 5. Screw; 51. Screw motor; 6. Gear rod; 61. Anti-rotation protrusion; 62. Rod motor; 63. Anti-rotation frame; 631. Anti-rotation slot; 632. Anti-rotation spring; 64. Cam; 65. Driving gear; 7. Gas cylinder; 81. Speed-changing gear set; 82. Synchronous belt; 83. Storage rack. DETAILED DESCRIPTION

[0022] Specific embodiment 1: Please refer to Figures 1-8 A multifunctional cold air machine for Agaricus bisporus, comprising an air supply fan 11, a frame 2 arranged at the air outlet end of the air supply fan 11; an installation cavity 22 is arranged in the middle of the frame 2; partition channels 21 are evenly arranged on both sides of the installation cavity 22 in the frame 2; each of the partition channels 21 is arranged longitudinally; each of the partition channels 21 is rotatably connected with an air valve 31 for changing the ventilation area of the partition channel 21; the positions of the air valves 31 in the installation cavity 22 are longitudinally slidably connected with an opening and closing frame 32 for driving the air valve 31 to move; a driving unit 4 for driving the movement of each air valve 31 is arranged in the installation cavity 22; a screw rod 5 is rotatably connected in the installation cavity 22; the driving unit 4 includes a switching sleeve 43 connected to the screw rod 5; a shifting rod 432 distributed in a radial direction is arranged on the switching sleeve 43; when the switching sleeve 43 is rotated until the shifting rod 432 is inserted into any one of the opening and closing frames 32, the longitudinal movement of the switching sleeve 43 will drive the opening and closing frame 32 to move synchronously.

[0023] Fresh air outlets are evenly arranged in the mushroom house; one partition channel 21 is connected to one fresh air outlet through a pipeline. A flow rate sensor and a carbon dioxide concentration sensor are installed in each fresh air outlet.

[0024] The air velocity at the fresh air outlet is monitored by the flow rate sensor, and then the ventilation volume is calculated. The carbon dioxide concentration sensor detects the surrounding carbon dioxide concentration in real time. When the carbon dioxide concentration is high, the ventilation volume of the fresh air outlet is increased to mix the external air flow with the air in the mushroom house to reduce the carbon dioxide concentration. When the carbon dioxide concentration is low, carbon dioxide needs to be added to the mushroom house.

[0025] Temperature sensors are evenly installed at various positions in the mushroom house. The temperature changes at various positions in the mushroom house are monitored through the temperature sensors. When the temperature in a certain area is abnormal, the air blower 11 operates, and airflows with appropriate temperatures are provided to this area through the fresh air inlets, changing the temperature of this area and making the temperature of this area return to the normal value.

[0026] A sliding column 311 is arranged at an eccentric position on the side wall of the air valve 31; a chute 321 distributed horizontally and slidably connected to the sliding column 311 is arranged on the opening and closing frame 32; the lever 432 can be inserted into the chute 321.

[0027] A gear rod 6 drivingly connected to the switching sleeve 43 is rotatably connected in the installation cavity 22; the rotating shaft of the gear rod 6 is parallel and non-coincident with the rotating shaft of the screw rod 5; when the gear rod 6 cannot rotate, the screw rod 5 drives the switching sleeve 43 to move longitudinally; when the gear rod 6 can rotate, the screw rod 5 drives the switching sleeve 43 to rotate circumferentially synchronously.

[0028] The switching sleeve 43 is coaxially arranged with the screw rod 5; a switching gear 431 is coaxially arranged on the switching sleeve 43; the switching gear 431 is drivingly connected to the gear rod 6 through a transmission gear 42.

[0029] The driving unit 4 further includes a sliding frame 41 that longitudinally slides synchronously with the switching sleeve 43; a gas cylinder rack 44 is arranged on one side of the sliding frame 41; a gas cylinder 7 storing carbon dioxide is installed in the gas cylinder rack 44; ventilation pipes 23 extending into the installation cavity 22 are arranged on the side walls of each partition channel 21; a connecting pipe 441 connecting the gas cylinder 7 and the ventilation pipes 23 is arranged on the gas cylinder rack 44; when the sliding frame 41 moves longitudinally, the connecting pipe 441 communicates with different ventilation pipes 23.

[0030] Carbon dioxide is supplemented into each partition channel 21 through the gas cylinder 7, thereby increasing the carbon dioxide concentration at the corresponding fresh air inlet, and the carbon dioxide concentration in the mushroom house increases synchronously.

[0031] A pressing frame 45 is longitudinally slidably connected in the gas cylinder rack 44; a pressing rod 453 for pressing the gas cylinder 7 to make the gas cylinder 7 release gas is arranged on the side of the pressing frame 45 close to the gas cylinder 7; a head 451 is arranged on the side of the pressing frame 45 close to the switching sleeve 43; inclined planes 452 are respectively arranged on both sides of the head 451; a pressing spring for resetting the pressing frame 45 is arranged between the pressing frame 45 and the gas cylinder rack 44; when the switching sleeve 43 rotates so that the lever 432 moves through the inclined plane 452 to the upper end of the head 451, the lever 432 forces the pressing frame 45 to move downward, and the gas cylinder 7 releases gas.

[0032] The outer wall of the gear rod 6 is evenly provided with anti-rotation protrusions 61 along the circumferential direction; a rotation prevention frame 63 is longitudinally slidably connected in the installation cavity 22; a rotation prevention slot 631 is provided on the rotation prevention frame 63, which can be inserted into the anti-rotation protrusion 61 to prevent the gear rod 6 from rotating; a rod motor 62 is fixedly connected in the installation cavity 22; a cam 64 for driving the rotation prevention frame 63 to move is provided on the output shaft of the rod motor 62; a rotation prevention spring 632 for driving the rotation prevention frame 63 to abut against the cam 64 is provided between the rotation prevention frame 63 and the installation cavity 22.

[0033] When the rotation prevention frame 63 is in the upper limit position, the rotation prevention slot 631 is separated from the anti-rotation protrusion 61, and the gear rod 6 can rotate; when the rotation prevention frame 63 is in the lower limit position, the rotation prevention slot 631 is inserted into the anti-rotation protrusion 61, and the gear rod 6 cannot rotate.

[0034] A clamping plate 46 for pressing against the gas cylinder 7 is radially slidably connected in the gas cylinder rack 44 along the radial direction of the gas cylinder 7; a central gear 47 is rotatably connected to the gas cylinder rack 44; a convex head 471 for driving the clamping plate 46 to separate from the gas cylinder 7 is provided on the outer wall of the central gear 47; a driving gear 65 for driving is coaxially provided with the cam 64; when the sliding frame 41 is in the lower limit position, the driving gear 65 is engaged with the central gear 47.

[0035] A pressing plate 411 extending downward is provided on the sliding frame 41; when the sliding frame 41 is in the lower limit position, the pressing plate 411 abuts against the rotation prevention frame 63, so that the rotation prevention frame 63 is kept in the lower limit position, and the rotation prevention slot 631 is always inserted into the anti-rotation protrusion 61.

[0036] A storage rack 83 for placing a new gas cylinder 7, a synchronous belt 82 for driving the storage rack 83 to move longitudinally, and a speed change gear set 81 drivingly connected to the synchronous belt 82 are provided in the lower part of the installation cavity 22; when the sliding frame 41 is in the lower limit position, the central gear 47 is drivingly connected to the speed change gear set 81.

[0037] Unused gas cylinders 7 are placed on the storage rack 83.

[0038] A hot water coil 13, a cold water coil 14, and a fresh air box 15 are sequentially provided at the air inlet end of the air blower 11.

[0039] The water temperature at the water inlet end of the hot water coil 13 is 50 °C, and the water temperature at the water outlet end is 35 °C.

[0040] The water temperature at the water inlet end of the cold water coil 14 is 7 °C, and the water temperature at the water outlet end is 12 °C.

[0041] The hot water coil 13 and the cold water coil 14 do not have water simultaneously. When there is only water flowing in the hot water coil 13, the hot water coil 13 heats the air flow; when there is only water flowing in the cold water coil 14, the cold water coil 14 cools the air flow. Thus, the temperature of the air flow generated by the blower 11 is changed by the hot water coil 13 and the cold water coil 14.

[0042] During normal air supply, the inclination angles of the respective air valves 31 are the same, and thus the air flow velocities at the respective fresh air inlets are the same, ventilating the mushroom house.

[0043] After detecting that the temperature in a certain area is relatively high, it is necessary to increase the air output volume of the fresh air inlet in this area to facilitate reducing the temperature in this area. The specific operation is as follows.

[0044] The rod body motor 62 drives the cam 64 to work, causing the cam 64 to drive the rotation stop frame 63 to move to the lower limit position. The rotation stop slot 631 is inserted into the rotation stop protrusion 61, and the gear rod 6 cannot rotate. Consequently, the switching sleeve 43 also cannot rotate. Then the screw rod motor 51 drives the screw rod 5 to rotate, and the screw rod 5 drives the switching sleeve 43 to move longitudinally, causing the switching sleeve 43 to move to face the designated opening and closing frame 32.

[0045] Then the rod body motor 62 drives the cam 64 to work, causing the cam 64 to drive the stop frame 63 to move to the upper limit position. The rotation stop slot 631 is not inserted into the rotation stop protrusion 61, and the gear rod 6 can rotate. At this time, the screw rod motor 51 drives the screw rod 5 to rotate, and the screw rod 5 will drive the switching sleeve 43 to rotate synchronously in the circumferential direction, causing the shift lever 432 on the switching sleeve 43 to rotate to be inserted into the chute 321 on the corresponding opening and closing frame 32. During this process, the switching sleeve 43 drives the transmission gear 42 to rotate synchronously with the gear rod 6.

[0046] Next, the rod body motor 62 drives the cam 64 to rotate, causing the stop frame 63 to move to the lower limit position. Then the screw rod 5 rotates, causing the switching sleeve 43 to drive the opening and closing frame 32 to move longitudinally through the shift lever 432, increasing the inclination angle of the air valve 31, and thus increasing the ventilation volume of the corresponding fresh air inlet.

[0047] Then the rod body motor 62 drives the cam 64 to work, causing the cam 64 to drive the stop frame 63 to move to the upper limit position. Then the screw rod 5 drives the switching sleeve 43 to rotate synchronously in the circumferential direction, causing the shift lever 432 to separate from the chute 321.

[0048] Repeating the above process can change the inclination angle of any air valve 31, thereby adjusting the air output ratio of each fresh air inlet, and thus changing the ventilation volume of the fresh air inlet. And through the hot water coil 13 and the cold water coil 14, hot air flow or cold air flow with a specified air volume is blown out from each fresh air inlet.

[0049] When the carbon dioxide concentration in a certain area is detected to be low, manual intervention is required to increase the carbon dioxide concentration in that area. The specific operations are as follows.

[0050] The rod motor 62 drives the cam 64 to work, causing the cam 64 to drive the anti-rotation frame 63 to move to the lower limit position. The anti-rotation slot 631 is inserted into the anti-rotation protrusion 61, and the gear rod 6 cannot rotate. Consequently, the switching sleeve 43 cannot rotate either. Then, the screw motor 51 drives the screw 5 to rotate, and the screw 5 drives the drive unit 4 to move longitudinally, enabling the connecting pipe 441 to communicate with the designated ventilation pipe 23.

[0051] Subsequently, the rod motor 62 drives the cam 64 to work, causing the cam 64 to drive the anti-rotation frame 63 to move to the upper limit position. At this time, the screw 5 drives the switching sleeve 43 to rotate circumferentially synchronously. After the lever 432 on the switching sleeve 43 rotates synchronously and abuts against the inclined surface 452, the lever 432 forces the abutting head 451 to move downward through the inclined surface 452. Consequently, the pressing rod 453 presses down the gas cylinder 7, and the carbon dioxide gas in the gas cylinder 7 flows out. The carbon dioxide will enter the designated partition channel 21 through the connecting pipe 441 and the ventilation pipe 23. Along with the operation of the air blower 11, the carbon dioxide and the airflow generated by the air blower 11 will flow from the fresh air inlet to the designated area together, increasing the carbon dioxide concentration in that area.

[0052] After a certain period of time, the screw 5 rotates in the reverse direction, and the lever 432 separates from the abutting head 451, and the gas cylinder 7 no longer emits carbon dioxide gas.

[0053] As the gas cylinder 7 is used, when the carbon dioxide in the gas cylinder 7 is exhausted, the gas cylinder 7 needs to be replaced.

[0054] The rod motor 62 drives the cam 64 to work, causing the cam 64 to drive the anti-rotation frame 63 to move to the lower limit position. The screw 5 rotates, driving the drive unit 4 to move to the lower limit position. At this time, the abutting plate 411 abuts against the anti-rotation frame 63, causing the anti-rotation frame 63 to remain at the lower limit position. The cam 64 rotates and will no longer drive the anti-rotation frame 63 to move. The drive gear 65 meshes with the central gear 47, and the central gear 47 meshes with the speed-changing gear set 81.

[0055] Subsequently, the rod body motor 62 drives the driving gear 65 to rotate, and the driving gear 65 drives the central gear 47 to rotate 360°. During this process, the convex head 471 on the central gear 47 abuts against the clamping plate 46 and forces the clamping plate 46 to separate from the gas cylinder 7. Consequently, the gas cylinder 7 will move downward and disengage from the gas cylinder rack 44. As the central gear 47 continues to rotate, the central gear 47 drives the synchronous belt 82 to move through the speed-changing gear set 81. The synchronous belt 82 drives the new gas cylinder 7 on the storage rack 83 to move upward until the gas cylinder 7 is inserted into the gas cylinder rack 44, and the clamping plate 46 clamps the new gas cylinder 7. Then the synchronous belt 82 continues to move, driving the storage rack 83 to move downward and reset. After that, the worker removes the dropped gas cylinder 7 and places the new gas cylinder 7 on the storage rack 83. Thus, the replacement of the gas cylinder 7 is completed. When the driving gear 65 drives the central gear 47 to rotate 360°, the cam 64 rotates to abut against the anti-rotation bracket 63. At this time, the cam 64 keeps the anti-rotation bracket 63 at the lower limit position.

[0056] Then the screw rod 5 rotates, driving the driving unit 4 to move upward, causing the driving unit 4 to disengage from the lower limit position. The central gear 47 separates from the driving gear 65, and the abutting plate 411 separates from the anti-rotation bracket 63.

Claims

1. A multi-functional cold air blower dedicated to Agaricus bisporus, characterized in that: It includes a blower and a frame arranged at the air outlet end of the blower; an installation cavity is arranged in the middle of the frame; partition channels are evenly arranged on both sides of the installation cavity in the frame; air valves for changing the ventilation area of the partition channels are respectively rotatably connected in each of the partition channels; opening and closing frames for driving the air valves to move are respectively slidably connected at positions corresponding to the air valves in the installation cavity; a driving unit for driving each air valve to move is arranged in the installation cavity; a screw rod is rotatably connected in the installation cavity; the driving unit includes a switching sleeve in transmission connection with the screw rod; a dial rod distributed radially is arranged on the switching sleeve; when the switching sleeve rotates until the dial rod is inserted into any one of the opening and closing frames, the longitudinal movement of the switching sleeve will drive the corresponding opening and closing frame to move synchronously.

2. The multi-functional cold air blower for Agaricus bisporus according to claim 1, characterized in that: A sliding column is arranged at an eccentric position on the side wall of the air valve; a chute distributed horizontally and slidably connected with the sliding column is arranged on the opening and closing frame; the dial rod can be inserted into the chute.

3. The multi-functional cold air blower for special use of Agaricus bisporus according to claim 1, wherein: A gear rod in transmission connection with the switching sleeve is rotatably connected in the installation cavity; the rotating shaft of the gear rod is parallel to and not coincident with the rotating shaft of the screw rod; when the gear rod cannot rotate, the screw rod drives the switching sleeve to move longitudinally; when the gear rod can rotate, the screw rod drives the switching sleeve to rotate circumferentially synchronously.

4. A special multi-functional cold air blower for Agaricus bisporus according to claim 3, characterized in that: The driving unit further includes a sliding frame that longitudinally slides synchronously with the switching sleeve; a gas cylinder rack is arranged on one side of the sliding frame; a gas cylinder for storing carbon dioxide is installed in the gas cylinder rack; air pipes extending into the installation cavity are arranged on the side walls of each partition channel; a connecting pipe for connecting the gas cylinder and the air pipes is arranged on the gas cylinder rack; when the sliding frame moves longitudinally, the connecting pipe is communicated with different air pipes.

5. The multi-functional cold air blower dedicated to Agaricus bisporus according to claim 4, characterized in that: A pressing frame is longitudinally slidably connected in the gas cylinder rack; a pressing rod for pressing the gas cylinder to release gas is arranged on the side of the pressing frame close to the gas cylinder; a resisting head is arranged on the side of the pressing frame close to the switching sleeve; inclined surfaces are respectively arranged on both sides of the resisting head; a pressing spring for resetting the pressing frame is arranged between the pressing frame and the gas cylinder rack; when the switching sleeve rotates so that the dial rod moves through the inclined surface to the upper end of the resisting head, the dial rod forces the pressing frame to move downward, and the gas cylinder releases gas.

6. A special multi-functional cold air blower for Agaricus bisporus according to claim 4, characterized in that: Anti-rotation protrusions are evenly arranged on the outer wall of the gear rod in the circumferential direction; an anti-rotation frame is longitudinally slidably connected in the installation cavity; an anti-rotation slot for inserting and preventing the gear rod from rotating is arranged on the anti-rotation frame; a rod motor is fixedly connected in the installation cavity; a cam for driving the anti-rotation frame to move is arranged on the output shaft of the rod motor; an anti-rotation spring for driving the anti-rotation frame to abut against the cam is arranged between the anti-rotation frame and the installation cavity.

7. A special multi-functional cold air blower for Agaricus bisporus according to claim 6, characterized in that: A clamping plate for pressing the gas cylinder tightly is radially slidably connected in the gas cylinder rack; a central gear is rotatably connected to the gas cylinder rack; a convex head for driving the clamping plate to separate from the gas cylinder is arranged on the outer wall of the central gear; a driving gear is coaxially arranged with the cam; when the sliding frame is at the lower limit position, the driving gear is engaged with the central gear.

8. A special multi-functional cold air blower for Agaricus bisporus according to claim 7, characterized in that: A resisting plate extending downward is arranged on the sliding frame; when the sliding frame is at the lower limit position, the resisting plate abuts against the anti-rotation frame, and the anti-rotation slot is always inserted with the anti-rotation protrusion.

9. The multi-functional cold air blower for Agaricus bisporus according to claim 7, wherein: A storage rack for placing a new gas cylinder, a synchronous belt for driving the longitudinal movement of the storage rack, and a speed change gear set drivingly connected to the synchronous belt are arranged at the lower part inside the installation cavity; when the sliding rack is in the lower limit position, the central gear is drivingly connected to the speed change gear set.

10. A special multi-functional cold air blower for Agaricus bisporus, characterized in that: A hot water coil, a cold water coil, and a fresh air box are sequentially arranged at the air inlet end of the air blower.

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