A heat pump unit suitable for granary

Abstract

The present invention discloses a heat pump unit suitable for a granary, belonging to the field of condensers. A heat pump unit suitable for a granary comprises a main body; an evaporator, a condenser and a compressor are arranged in the main body; a heat dissipation shell is arranged on the upper part of the main body; a plurality of condensers are arranged in the heat dissipation shell; a maintenance mechanism is arranged on one side of each condenser; the maintenance mechanism comprises a spray pipe and two brush bodies; the spray pipe side wall is evenly provided with spray holes facing the condenser along the axial direction; a plurality of sealing sleeves are sealed and rotatably connected in the spray pipe; a sealing sleeve is opposite to a spray hole; a water hole that can be connected to the spray hole is arranged on the side wall of the sealing sleeve; and the bristles on the brush body cooperate with the water sprayed from the spray hole, so that the brush body moves on the spray pipe, and the bristles and water deeply clean the surface of the condenser to remove the dust on the surface of the condenser.

Description

Technical Field

[0001] The invention belongs to the field of condensers, and more specifically, relates to a heat pump unit suitable for a granary. Background Art

[0002] Low temperature storage technology in the field of grain storage. It can effectively improve the cooling efficiency of the grain cooling system in the granary. Through the heat pump unit, frequency conversion technology is used to control the temperature and relative humidity in the granary according to the ambient temperature, the difference between the return air and the supply air humidity in the granary, and ensure that the grain air conditioner will not cause grain dehydration when cooling the grain, and ensure the moisture content of the grain, which can effectively avoid the phenomenon of grain deterioration and bursting, and will ensure the quality of grain during long-term storage, and will not reduce the weight of grain.

[0003] During the operation of the heat pump unit, the surface temperature of the condenser rises, and the condenser surface needs to be cooled. As the condenser works, the temperature of a local part of the condenser surface will rise sharply due to abnormal operation, and the part needs to be cooled quickly. However, in the existing heat pump unit, the condenser is always cooled by the cooling fan, and the cooling efficiency is stable, which cannot cope with emergencies.

[0004] And as the condenser works for a long time, a layer of dust will adhere to the surface of the condenser. The dust will hinder the heat dissipation of the condenser surface and reduce the working efficiency of the condenser. Summary of the invention

[0005] The technical problem to be solved by the present invention is to provide a heat pump unit suitable for a granary, which can achieve precise cooling of any position on the condenser, improve the cooling efficiency, and clean the surface of the condenser.

[0006] A heat pump unit suitable for a granary according to the present invention comprises a main body; an evaporator, a condenser and a compressor are arranged in the main body; a heat dissipation shell is arranged on the upper part of the main body; a plurality of condensers are arranged in the heat dissipation shell; a maintenance mechanism is arranged on one side of each of the condensers; the maintenance mechanism comprises a spray pipe for spraying water to the condenser, and two brush bodies for cleaning the surface of the condenser which slide axially on the spray pipe; spray holes facing the condenser are evenly arranged on the side wall of the spray pipe along the axial direction; a plurality of sealing sleeves are sealingly and rotatably connected in the spray pipe; a sealing sleeve is opposite to a spray hole; a water through hole which can be communicated with the spray hole is arranged on the side wall of the sealing sleeve; a lever extending to the outside of the spray pipe is arranged on the side wall of the sealing sleeve; an inclined groove distributed in a spiral line is arranged on the brush body; the inclined groove is slidably connected to the lever, thereby driving the sealing sleeve to rotate; only the spray hole between the two brush bodies is communicated with the water through hole.

[0007] As a further improvement of the present invention, the maintenance mechanism also includes two screws rotating on both sides of the spray pipe and parallel to the spray pipe, and a slide rail fixed in the main body; the slide rail is parallel to the condenser; the spray pipe slides on the slide rail; a screw is transmission-connected to a brush body; a switching gear that drives the screw to rotate is rotatably connected to the spray pipe.

[0008] As a further improvement of the present invention, a first gear is coaxially arranged at the end of one screw; a second gear is coaxially arranged at the end of the other screw; the switching gear slides axially on the spray pipe; when the switching gear is engaged with the first gear and the second gear at the same time, the two screws rotate synchronously and the two brush bodies slide synchronously; when the switching gear is only engaged with the first gear, only one screw rotates and the two brush bodies slide relative to each other.

[0009] As a further improvement of the present invention, an inclined track is arranged at one end of the slide rail; a push plate is arranged on one side of the inclined track; when the switching gear is in contact with the push plate, the switching gear is only engaged with the first gear; when the switching gear is not in contact with the push plate, the switching gear is engaged with the first gear and the second gear at the same time.

[0010] As a further improvement of the present invention, the spray pipe is rotatably connected to a moving gear that drives the spray pipe to move along a slide rail; the spray pipe is fixedly connected to a motor; a motor gear is installed on the output shaft of the motor; at the same time, the motor gear is only transmission-connected to one of the moving gear and the switching gear.

[0011] As a further improvement of the present invention, the slide rail is provided with a slide rail rack distributed along the sliding direction of the spray pipe; the spray pipe is coaxially provided with a slide rail gear meshing with the slide rail rack; the slide rail gear is coaxially provided with a worm gear; the moving gear is coaxially provided with a worm connected to the worm gear transmission.

[0012] As a further improvement of the present invention, a sliding frame is slidably connected to the spray pipe and drives the motor gear to move axially; a water inlet pipe connected to the inside of the spray pipe is arranged at one end of the spray pipe; a swing plate is rotatably connected inside the water inlet pipe; the rotating shaft of the swing plate is arranged radially along the water inlet pipe; the swing plate rotates under the impact of water flow; a resist plate extending to the bottom of the sliding frame is arranged on one side of the swing plate; when the swing plate rotates, the resist plate drives the sliding frame to move.

[0013] As a further improvement of the present invention, a water pump and a water storage tank are arranged in the main body; the water outlet end of the water pump is connected to the water inlet pipe, and the water inlet end is connected to the water storage tank.

[0014] As a further improvement of the present invention, the side walls of the brush body are evenly provided with bristles.

[0015] As a further improvement of the present invention, a thermal imager is arranged in the main body; the thermal imager is used to monitor the temperature of the condenser surface.

[0016] Compared with the prior art, the beneficial effect of the present invention is that: the present solution cooperates with the brush body and the sealing sleeve, so that no matter how the brush body moves on the spray pipe, the spray hole between the two brush bodies is connected to the water hole and can spray water. And by changing the spacing between the two brush bodies, the distance between the brush bodies is equal to the position of the abnormal temperature on the condenser, and the position of the abnormal temperature can be sprayed accurately, and it can be deeply cooled to avoid damage to the condenser. And by the bristles on the brush body and the water sprayed from the spray hole, the brush body moves on the spray pipe, and the bristles and water deeply clean the surface of the condenser to remove the dust on the surface of the condenser.

[0017] This solution controls the axial movement of the switching gear so that the switching gear can drive the two screws to rotate synchronously, so that the two brush bodies move synchronously on the spray pipe to clean or cool the spray pipe; the switching gear can also drive only one screw to rotate, and then adjust the distance between the two brush bodies to adapt to the length of the abnormal temperature position, accurately cool the condenser, and improve the cooling efficiency.

[0018] In this solution, the spray pipe moves along the slide rail through the cooperation between the slide rail gear and the slide rail rack, so that the spray pipe can be directly opposite to each position of the condenser. At the same time, the spray pipe can also be moved to the inclined track, so that the switching gear cooperates with the push plate to change the position of the switching gear, and no additional power element is required to drive the switching gear to move.

[0019] The water in this solution can be used to spray on the condenser to cool or clean the condenser, and can also drive the swing plate to rotate through the pressure of the water flow, changing the position of the motor gear, so that the motor gear can drive both the switching gear and the slide rail gear to rotate, saving costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the present invention;

[0021] Figure 2 It is a schematic diagram of the structure of the maintenance mechanism of the present invention when it is working;

[0022] Figure 3 It is a structural schematic diagram of the maintenance mechanism of the present invention;

[0023] Figure 4 It is a schematic diagram of the exploded structure of the maintenance mechanism of the present invention;

[0024] Figure 5 It is a schematic diagram of the structure when the switching gear of the present invention is meshed with the first gear and the second gear at the same time;

[0025] Figure 6 It is a schematic diagram of the structure when the motor gear and the end gear of the present invention are meshed;

[0026] Figure 7 For the present invention Figure 3 Schematic diagram of the enlarged structure of part A in the middle.

[0027] Description of the numbers in the figure:

[0028] 1. Main body; 11. Heat dissipation shell; 12. Heat dissipation fan; 13. Condenser; 14. Maintenance mechanism; 2. Spray pipe; 21. Spray hole; 22. Through hole; 23. Water inlet pipe; 24. Sealing sleeve; 241. Water hole; 242. Push rod; 3. Brush body; 31. Brush hair; 33. Bevel groove; 4. Slide rail; 41. Slide rail rack; 42. Bevel track; 43. Push plate; 44. Slide rail gear; 45. Worm gear; 51. Screw; 52. First gear; 53. Second gear; 54. Switching gear; 55. Screw gear; 551. End gear; 61. Motor; 62. Motor gear; 63. Sliding frame; 64. Worm; 641. Moving gear; 7. Swing plate; 71. Butt plate. DETAILED DESCRIPTION

[0029] Specific embodiment 1: Please refer to Figure 1-Figure 7 A heat pump unit suitable for a granary includes a main body 1; an evaporator, a condenser 13, and a compressor are arranged in the main body 1; a heat dissipation shell 11 is arranged on the upper part of the main body 1; a plurality of condensers 13 are arranged in the heat dissipation shell 11; a plurality of heat dissipation fans 12 are arranged on the upper end of the heat dissipation shell 11; a maintenance mechanism 14 is arranged on one side of each of the condensers 13; the maintenance mechanism 14 includes a spray pipe 2 for spraying water to the condenser 13, two brush bodies 3 sliding on the spray pipe 2 along the axial direction for cleaning the surface of the condenser 13; the side wall of the spray pipe 2 is uniformly axially A spray hole 21 facing the condenser 13 is evenly provided; a plurality of sealing sleeves 24 are sealed and rotatably connected in the spray pipe 2; one sealing sleeve 24 is opposite to one spray hole 21; a water hole 241 capable of communicating with the spray hole 21 is provided on the side wall of the sealing sleeve 24; a lever 242 extending to the outside of the spray pipe 2 is provided on the side wall of the sealing sleeve 24; an inclined groove 33 distributed in a spiral line is provided on the brush body 3; the inclined groove 33 is slidably connected with the lever 242, thereby driving the sealing sleeve 24 to rotate; only the spray hole 21 between two brush bodies 3 is communicated with the water hole 241.

[0030] The spray pipe 2 only slides relative to the slide rail 4 and does not rotate relative to it; the inclined groove 33 passes through both ends of the brush body 3 in the axial direction, so that the lever 242 can freely enter and exit the inclined groove 33.

[0031] The spray pipe 2 moves along the slide rail 4 to change the position of the spray pipe 2, so that the spray pipe 2 can be moved to various positions on the condenser 13. The brush body 3 slides axially along the spray pipe 2, so that the brush body 3 can clean the surface of the condenser 13.

[0032] The maintenance mechanism 14 also includes two screws 51 rotating on both sides of the spray pipe 2 and parallel to the spray pipe 2, and a slide rail 4 fixed in the main body 1; the slide rail 4 is parallel to the condenser 13; the spray pipe 2 slides on the slide rail 4; a screw 51 is transmission-connected to a brush body 3; a switching gear 54 is rotationally connected to the spray pipe 2 to drive the screw 51 to rotate.

[0033] A first gear 52 is coaxially arranged at the end of one screw rod 51; a second gear 53 is coaxially arranged at the end of the other screw rod 51; the switching gear 54 slides axially on the spray pipe 2; when the switching gear 54 is meshed with the first gear 52 and the second gear 53 at the same time, the two screw rods 51 rotate synchronously and the two brush bodies 3 slide synchronously; when the switching gear 54 is only meshed with the first gear 52, only one screw rod 51 rotates and the two brush bodies 3 slide relatively.

[0034] By the relative sliding of the two brush bodies 3, the distance between the two brush bodies 3 is changed, and the number of the spray holes 21 that can spray water is changed to meet the needs of different scenes.

[0035] One end of the slide rail 4 is provided with an inclined track 42; one side of the inclined track 42 is provided with a push plate 43; when the switching gear 54 is in contact with the push plate 43, the switching gear 54 is only engaged with the first gear 52; when the switching gear 54 is not in contact with the push plate 43, the switching gear 54 is engaged with the first gear 52 and the second gear 53 at the same time.

[0036] A guide surface that contacts the switching gear 54 is disposed on one side of the push plate 43 ; the switching gear 54 moves through the guide surface until it contacts the push plate 43 .

[0037] When the spray pipe 2 moves along the slide rail 4 to the inclined track 42 , the spray pipe 2 moves away from the condenser 13 , and the push plate 43 abuts against the switching gear 54 .

[0038] A switching spring for returning the switching gear 54 is provided between the switching gear 54 and the spray pipe 2 .

[0039] The spray pipe 2 is rotatably connected to a moving gear 641 that drives the spray pipe 2 to move along the slide rail 4; the spray pipe 2 is fixedly connected to a motor 61; a motor gear 62 is installed on the output shaft of the motor 61; the output shaft of the motor 61 and the motor gear 62 rotate synchronously in the circumferential direction and slide relatively in the axial direction; at the same time, the motor gear 62 is only connected to one of the moving gear 641 and the switching gear 54 in transmission.

[0040] The spray pipe 2 is rotatably connected with a screw gear 55 meshing with the switching gear 54 ; an end gear 551 is coaxially arranged at one end of the screw gear 55 ; the end gear 551 can mesh with the motor gear 62 .

[0041] The slide rail 4 is provided with a slide rail rack 41 distributed along the sliding direction of the spray pipe 2; the spray pipe 2 is coaxially provided with a slide rail gear 44 meshing with the slide rail rack 41; the slide rail gear 44 is coaxially provided with a worm gear 45; the moving gear 641 is coaxially provided with a worm 64 transmission-connected with the worm gear 45.

[0042] The worm wheel 45 and the worm 64 have a one-way transmission characteristic, that is, the worm 64 can drive the worm wheel 45 to rotate, but the worm wheel 45 cannot drive the worm 64 to rotate. By setting the worm wheel 45 and the worm 64, when the motor gear 62 and the switching gear 54 are transmitted, the slide rail gear 44 will not rotate, thereby preventing the spray pipe 2 from sliding downward under the action of its own gravity.

[0043] The spray pipe 2 is slidably connected with a sliding frame 63 that drives the motor gear 62 to move axially; one end of the spray pipe 2 is provided with a water inlet pipe 23 that is connected to the inside of the spray pipe 2; a swing plate 7 is rotatably connected inside the water inlet pipe 23; the rotating shaft of the swing plate 7 is radially arranged along the water inlet pipe 23; the swing plate 7 rotates under the impact of the water flow; a stop plate 71 extending to the bottom of the sliding frame 63 is provided on one side of the swing plate 7; when the swing plate 7 rotates, the stop plate 71 drives the sliding frame 63 to move.

[0044] A torsion spring for resetting is arranged between the swing plate 7 and the water inlet pipe 23; when there is no water flowing in the spray pipe 2, the swing plate 7 is perpendicular to the side wall of the water inlet pipe 23, the swing plate blocks a part of the water inlet pipe 23, and the abutment plate 71 enables the sliding frame 63 to move until the motor gear 62 is meshed with the moving gear 641; when water flows in the spray pipe 2, the water impacts on the swing plate 7, causing the swing plate 7 to rotate to be parallel to the side wall of the water inlet pipe 23, the swing plate 7 has the least obstruction to the water flow, and the abutment plate 71 enables the sliding frame 63 to move until the motor gear 62 is meshed with the end gear 551.

[0045] The pivot plate 7 can only be rotated through 90°.

[0046] A water pump and a water storage tank are arranged in the main body 1; the water outlet of the water pump is connected to the water inlet pipe 23, and the water inlet is connected to the water storage tank.

[0047] The side wall of the brush body 3 is evenly provided with bristles 31 .

[0048] A thermal imager is disposed in the main body 1 ; the thermal imager is used to monitor the temperature of the surface of the condenser 13 .

[0049] Temperature sensors, humidity sensors and other equipment are installed in the granary to automatically control the opening and closing of the ventilation equipment according to the grain temperature and the weather conditions outside the granary. For example, when the temperature and humidity outside the granary are suitable and the grain temperature is higher than the set value, the compressor, evaporator and condenser 13 work to cool down the granary.

[0050] Adjust the operating hours of refrigeration and ventilation equipment according to the difference in electricity prices in different seasons and time periods. When electricity prices are low, appropriately increase the operating hours of equipment to store "cold capacity". For example, when electricity prices are low at night, increase refrigeration or ventilation to reduce refrigeration energy consumption during high temperature periods during the day.

[0051] In the initial state, the spray pipe 2 is located in the inclined track 42 , and the push plate 43 abuts against the switching gear 54 , so that the switching gear 54 is only meshed with the first gear 52 .

[0052] When in use, the main body 1 provides cold air to the granary to cool it down. As the condenser 13 works, the surface temperature of the condenser 13 rises, and the heat dissipation fan 12 rotates to dissipate heat from the condenser 13.

[0053] When the thermal imager detects that a certain position on the condenser 13 has an abnormal temperature, the position needs to be deeply cooled to avoid damage to the condenser 13. The length of the abnormal temperature position on the condenser 13 is calculated based on the information fed back by the thermal imager.

[0054] Then the water pump works, and the water flow generated by the water pump enters the water inlet pipe 23, and then the water flow drives the swing plate 7 to rotate, so that the plate 71 drives the sliding frame 63 to move, and the motor gear 62 is engaged with the end gear 551. At this time, the motor 61 works, and the motor 61 will drive the switching gear 54 to rotate. The switching gear 54 drives the first gear 52 to rotate, and then a screw 51 drives a brush body 3 to move. The distance between the two brush bodies 3 changes. After the motor 61 works for a specified time, the distance between the two brush bodies 3 is equal to the length of the abnormal temperature position on the condenser 13.

[0055] During the movement of the brush body 3 , the lever 242 on the sealing sleeve 24 will enter the inclined groove 33 on the brush body 3 , and the brush body 3 forces the sealing sleeve 24 to rotate, so that each spray hole 21 between the two brush bodies 3 is connected with the water through hole 241 .

[0056] Then the water pump stops working, the torsion spring drives the swing plate 7 to reset, and then the motor gear 62 meshes with the moving gear 641. Then the motor 61 works, and the motor gear 62 drives the slide rail gear 44 to rotate through the worm gear 45 and the worm 64. Through the meshing of the slide rail gear 44 and the slide rail rack 41, the slide rail gear 44 drives the spray pipe 2 to move along the slide rail 4. Finally, the spray pipe 2 moves to the same horizontal plane as the abnormal temperature position on the condenser 13. At this time, the switching gear 54 is separated from the push plate 43, and then the switching gear 54 is meshed with the first gear 52 and the second gear 53 at the same time.

[0057] Then the water pump works, and the water flow generated by the water pump drives the swing plate 7 to rotate, so that the motor gear 62 and the switching gear 54 are transmitted. At the same time, water is sprayed out from the spray hole 21 between the two brush bodies 3. After that, the motor 61 works, and the switching gear 54 drives the two screws 51 to rotate synchronously, and the two brush bodies 3 move synchronously along the spray pipe 2. The two brush bodies 3 gradually approach the abnormal temperature position on the condenser 13. Finally, the two brush bodies 3 sandwich the abnormal temperature position on the condenser 13, and the water sprayed from the spray hole 21 will be sprayed on the abnormal temperature position on the condenser 13. The water is deeply cooled at this position. During this process, the distance between the two brush bodies 3 remains unchanged.

[0058] The condenser 13 is observed in real time by a thermal imager. When the temperature of the condenser 13 returns to the normal range, the water pump stops working, the spray hole 21 stops spraying water, the swing plate 7 is reset, and the motor gear 62 is meshed with the moving gear 641. Then the motor 61 works, the slide rail gear 44 rotates, and drives the spray pipe 2 to move into the inclined track 42, and the maintenance mechanism 14 returns to the initial state.

[0059] As the main body 1 is used for a long time, dust will adhere to the surface of the condenser 13, and the dust will hinder the heat dissipation of the condenser 13, so the surface of the condenser 13 needs to be cleaned.

[0060] During cleaning, the water pump works first, the water flow drives the swing plate 7 to rotate, and the motor gear 62 meshes with the end gear 551. Then the motor 61 works, and the switching gear 54 drives a screw 51 to rotate, changing the distance between the two brush bodies 3, so that there are only 2-5 spray holes 21 between the two brush bodies 3.

[0061] Then the water pump stops working, and the motor 61 is connected to the slide rail gear 44. The motor 61 works, driving the spray pipe 2 to move to the intersection of the slide rail 4 and the inclined track 42, and the switching gear 54 is meshed with the first gear 52 and the second gear 53 at the same time, and the bristles 31 are in contact with the surface of the condenser 13. Then the water pump works, and the motor 61 is connected to the switching gear 54. Then the motor 61 works, and the two brush bodies 3 move axially along the spray pipe 2 to clean the condenser 13 on the horizontal plane. At the same time, the water sprayed from the spray hole 21 soaks the condenser 13, and the bristles 31 clean the dust on the surface of the condenser 13 with the water.

[0062] After the condenser 13 of the plane is cleaned, the above process is repeated, so that the spray pipe 2 moves to the next plane, and the brush body 3 continues to clean the condenser 13. Finally, the brush body 3 cleans all positions on the condenser 13. After the cleaning is completed, the spray pipe 2 returns to the initial state.

Claims

1. A heat pump unit suitable for a granary, characterized in that: The invention comprises a main body; an evaporator, a condenser and a compressor are arranged in the main body; a heat dissipation shell is arranged on the upper part of the main body; a plurality of condensers are arranged in the heat dissipation shell; a maintenance mechanism is arranged on one side of each of the condensers; the maintenance mechanism comprises a spray pipe for spraying water to the condenser, and two brush bodies for cleaning the surface of the condenser which slide axially on the spray pipe; spray holes facing the condenser are evenly arranged on the side wall of the spray pipe along the axial direction; a plurality of sealing sleeves are sealingly and rotatably connected in the spray pipe; a sealing sleeve is opposite to a spray hole; a water through hole which can be communicated with the spray hole is arranged on the side wall of the sealing sleeve; a lever extending to the outside of the spray pipe is arranged on the side wall of the sealing sleeve; an inclined groove distributed in a spiral line is arranged on the brush body; the inclined groove is slidably connected with the lever, thereby driving the sealing sleeve to rotate; only the spray hole between the two brush bodies is communicated with the water through hole; The maintenance mechanism also includes two screws rotating on both sides of the spray pipe and parallel to the spray pipe, and a slide rail fixed in the main body; the slide rail is parallel to the condenser; the spray pipe slides on the slide rail; a screw is transmission-connected to a brush body; a switching gear that drives the screw to rotate is rotationally connected to the spray pipe; A first gear is coaxially arranged at the end of one screw; a second gear is coaxially arranged at the end of the other screw; the switching gear slides axially on the spray pipe; when the switching gear is meshed with the first gear and the second gear at the same time, the two screws rotate synchronously and the two brush bodies slide synchronously; When the switching gear is only meshed with the first gear, only one screw rotates and the two brush bodies slide relative to each other.

2. A heat pump unit suitable for a granary according to claim 1, characterized in that: An inclined track is arranged at one end of the slide rail; a push plate is arranged at one side of the inclined track; when the switching gear abuts against the push plate, the switching gear only meshes with the first gear; when the switching gear does not contact with the push plate, the switching gear meshes with the first gear and the second gear at the same time.

3. A heat pump unit suitable for a granary according to claim 1, characterized in that: The spray pipe is rotatably connected to a moving gear that drives the spray pipe to move along the slide rail; the spray pipe is fixedly connected to a motor; a motor gear is installed on the output shaft of the motor; at the same time, the motor gear is only transmission-connected to one of the moving gear and the switching gear.

4. A heat pump unit suitable for a granary according to claim 3, characterized in that: The slide rail is provided with a slide rail rack distributed along the sliding direction of the spray pipe; the spray pipe is coaxially provided with a slide rail gear meshing with the slide rail rack; the slide rail gear is coaxially provided with a worm gear; the moving gear is coaxially provided with a worm connected to the worm gear transmission.

5. The heat pump unit suitable for granary according to claim 3, characterized in that: The spray pipe is slidably connected to a sliding frame that drives the motor gear to move axially; one end of the spray pipe is provided with a water inlet pipe that is connected to the inside of the spray pipe; a swing plate is rotatably connected inside the water inlet pipe; the rotating shaft of the swing plate is arranged along the radial direction of the water inlet pipe; the swing plate rotates under the impact of the water flow; a stop plate extending to the bottom of the sliding frame is provided on one side of the swing plate; when the swing plate rotates, the stop plate drives the sliding frame to move.

6. The heat pump unit suitable for granary according to claim 5, characterized in that: A water pump and a water storage tank are arranged in the main body; the water outlet end of the water pump is connected with the water inlet pipe, and the water inlet end is connected with the water storage tank.

7. The heat pump unit suitable for granary according to claim 1, characterized in that: The side walls of the brush body are evenly provided with bristles.

8. The heat pump unit suitable for granary according to claim 1, characterized in that: A thermal imager is arranged in the main body; the thermal imager is used to monitor the temperature of the condenser surface.

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