Multi-face air return type heat exchanger for air conditioner refrigeration

Abstract

The invention discloses a multi-face air return type heat exchanger for air conditioner refrigeration, and belongs to the technical field of air conditioner refrigeration. The multi-face air return type heat exchanger for air conditioner refrigeration comprises a mounting base, a mounting frame is fixedly connected to the top end of the mounting base, and heat dissipation assemblies are mounted on the four surfaces of the mounting frame correspondingly; a cleaning assembly is installed on the inner side of the installation frame, an air guide barrel is rotationally connected to the middle of the installation frame, a top cover is fixedly connected to the top end of the installation frame, and an air inlet assembly is installed in the middle of the top cover. The air flow can be adjusted according to needs through a plurality of deflation valves arranged on the cylindrical surface of the air guide barrel, the air guide barrel is driven by a first gear to stably rotate, the turbulence phenomenon of the air flow in the air guide barrel is reduced, the combination of a sliding groove and a sliding block allows the deflation valves to automatically adjust the opening and closing degree according to the change of internal pressure, and the stability of the air guide barrel is improved. The continuity and uniformity of airflow are guaranteed, and the whole heat exchanger can keep an efficient and stable working state in the operation process.

Description

Technical Field

[0001] The invention belongs to the technical field of air conditioning and refrigeration, and in particular relates to a multi-surface return air heat exchanger for air conditioning and refrigeration. Background Art

[0002] When using air conditioning to cool down the room, the air conditioner will send cold air into the room. At the same time, the air conditioner will suck the originally higher temperature air in the room into the end of the air conditioning box through the return air port. The cold water output from the condensation tank in the air conditioning box will exchange heat with the wind, so that the wind can be cooled by heat exchange. After reaching the required temperature, the cooled air will be sent to the air supply port and then sent into the room again, forming an internal circulation. The upper part of the multi-faceted return air heat exchanger can cool down the room through multi-faceted return air.

[0003] However, the existing multi-sided return air heat exchanger is large in size, and due to the multi-sided return air structure, there can only be a single air inlet, and the power and air intake of the single air inlet are limited, resulting in different air volumes and wind speeds at different heights inside, uneven air flow, and thus reducing the heat exchange efficiency, which limits the efficiency and scope of application of the heat exchanger. In addition, this structure is prone to dust accumulation, which further reduces work efficiency and increases maintenance costs. Summary of the invention

[0004] The technical problem to be solved by the present invention is to overcome the disadvantages of the prior art and provide a multi-surface return air heat exchanger for air conditioning and refrigeration.

[0005] The technical solution adopted to solve the above technical problems is: a multi-sided return air heat exchanger for air conditioning and refrigeration, including a mounting base, a mounting frame fixedly connected to the top of the mounting base, heat dissipation components are respectively installed on the four surfaces of the mounting frame, a cleaning component is installed on the inside of the mounting frame, an air guide barrel is rotatably connected to the middle of the mounting frame, a top cover is fixedly connected to the top of the mounting frame, and an air intake component is installed in the middle of the top cover.

[0006] Furthermore, a plurality of air release valves are installed on the cylindrical surface of the air guide barrel, the top end of the air guide barrel is rotatably connected to the air intake assembly, the bottom end of the air guide barrel is fixedly connected to a first gear, the first gear is rotatably connected to the mounting frame, a cross partition is fixedly connected to the inner side of the air guide barrel, a plurality of the air release valves are provided with a sliding groove on one side surface located inside, a slider is slidably connected to the inner side of the sliding groove, a pull plate is rotatably connected to the raised end in the middle of the slider, the pull plate is rotatably connected to an installation sleeve at one end away from the slider, one end of the installation sleeve is fixedly connected to the inner wall of the air guide barrel, and a bump is fixedly connected to the surface of the pull plate close to one end of the installation sleeve.

[0007] Through the above technical scheme, uniform distribution of airflow in the air guide barrel can be achieved, thereby improving heat exchange efficiency. The setting of the air release valve allows the airflow to be adjusted as needed to adapt to different working conditions. The through-rotating connection between the first gear and the mounting frame ensures the stable rotation of the air guide barrel, and the setting of the cross partition further optimizes the distribution of the airflow and reduces the turbulence of the airflow in the air guide barrel. The combination of the slide groove and the slider allows the air release valve to automatically adjust the degree of opening and closing according to changes in the internal pressure, thereby ensuring the continuity and uniformity of the airflow, so that the entire heat exchanger can maintain an efficient and stable working state during operation.

[0008] Furthermore, a transmission rod is rotatably connected through the middle of the mounting sleeve, eccentric cams are rotatably connected on both sides of the pull plate, the middle of the eccentric cam is fixedly connected to the transmission rod, the eccentric cam is rotatably fitted with the protrusion, the top of the transmission rod is rotatably connected to the air guide barrel, the through end of the transmission rod is fixedly connected to a second gear, the outer side of the second gear is meshingly connected to a gear ring, and the outer side of the gear ring is fixedly connected to the intake assembly.

[0009] Through the above technical scheme, precise control of the bleed valve is achieved, ensuring the efficient operation of the heat exchanger under different working conditions. The setting of the transmission rod enables the eccentric cam to adjust the opening and closing degree of the bleed valve according to the change of internal pressure by rotating and fitting with the protrusion, thereby realizing fine control of the airflow. When the air guide barrel rotates, the meshing transmission connection between the second gear and the fixed ring gear will drive the rotation of the transmission rod, further ensuring the uniform distribution of airflow and heat exchange efficiency, which not only ensures the stability and reliability of the heat exchanger, but also improves its adaptability and adjustability, meeting the high requirements of the air conditioning refrigeration system for heat exchange efficiency and stability.

[0010] Furthermore, a plurality of supporting columns are fixedly connected to the inner side of the mounting base, a compressor is installed between the supporting columns, a first conduit and a second conduit are fixedly connected to the upper and lower ends of the compressor respectively, a liquid storage tank is installed on the inner side of the mounting base, a fixing plate is fixedly connected to the middle part of the liquid storage tank, a bottom end of the fixing plate is fixedly connected to the mounting base, connecting pipes are respectively installed at both ends of the liquid storage tank, and the connecting pipes are connected to the compressor at one end away from the liquid storage tank.

[0011] Through the above technical solution, an efficient connection between the heat exchanger and the compressor is achieved, ensuring the smooth flow of refrigerant in the system. The setting of the supporting columns not only enhances the structural stability of the heat exchanger, but also provides a solid installation foundation for the compressor, reducing vibration and noise during operation. The liquid storage tank enables the refrigerant to be effectively stored and distributed, and the use of the fixed plate further ensures the stability and safety of the liquid storage tank.

[0012] Furthermore, the mounting frame includes a support plate, support columns are fixedly connected to the four corners of the support plate, guide columns are fixedly connected to the support plate near the corners, a clamping groove is fixedly connected between the support columns and the guide columns, and the inner side of the clamping groove is in meshing contact with the heat dissipation component.

[0013] Through the above technical solution, the heat dissipation component and the supporting structure are closely integrated, the mechanical strength and durability of the entire heat exchanger are enhanced, and the stable fixation of the heat dissipation component ensures the continuity and uniformity of the heat dissipation efficiency during the operation of the air-conditioning refrigeration system, thereby improving the overall performance of the system. In addition, the design of the support plate also facilitates the installation and maintenance of the heat dissipation component, making the use of the entire heat exchanger more convenient and efficient.

[0014] Furthermore, a single heat dissipation component includes a plurality of heat-conducting fins and a plurality of heat-conducting tubes, the heat-conducting fins and the heat-conducting tubes are arranged to cross and penetrate each other, the heat-conducting tubes are meshedly connected to the clamping grooves, the water inlet end of the heat-conducting tube is fixedly connected to the first conduit, the water outlet end of the heat-conducting tube is fixedly connected to the second conduit, and the heat dissipation component is interconnected with the compressor through the first conduit and the second conduit.

[0015] Through the above technical solution, efficient circulation of refrigerant inside the heat dissipation component is achieved, and the heat exchange efficiency is improved. The staggered arrangement design of the heat-conducting fins enables the refrigerant to fully contact the fins when flowing through the heat-conducting pipes, thereby improving the efficiency of heat exchange. At the same time, the meshing connection between the heat-conducting pipes and the clamping grooves ensures the stability and sealing of the heat-conducting pipes during operation, avoiding leakage of the refrigerant, so that the heat exchanger has good structural stability and reliability while maintaining efficient heat exchange.

[0016] Furthermore, the cleaning assembly includes a plurality of guide blocks, and a plurality of the guide blocks are respectively slidably connected to the guide columns, and connecting columns are respectively fixedly connected between the guide blocks, and a plurality of cleaning sheets are installed on the surface of the connecting columns, and a plurality of the cleaning sheets are respectively located between the heat-conducting fins, and a plurality of the guide blocks are respectively threadedly connected with threaded rods in the middle part, and the bottom ends of the plurality of threaded rods are rotatably connected with the mounting frame, and a plurality of the threaded rods are fixedly connected with the first reels at the through ends, and a plurality of the first reels are frictionally connected with the first transmission belts.

[0017] Through the above technical solution, the first transmission belt drives each threaded rod to rotate synchronously through the first reel, pushing the connecting column between the guide blocks to move back and forth up and down. Since several cleaning sheets on the surface of the connecting column are respectively located between the heat-conducting fins, the surface of the heat-conducting fins can be cleaned to achieve an automated cleaning effect, which greatly reduces the labor cost.

[0018] Furthermore, a motor is installed inside the mounting base, and the power output end of the motor is rotatably connected to the top of the mounting base. The power output end of the motor is fixedly connected to a second reel, and a second transmission belt is frictionally connected between the second reel and a first reel. A third gear is fixedly connected to the top of the second reel, and one side of the third gear is meshingly connected to the first gear.

[0019] Through the above technical solution, a single motor can drive the operation of two components at the same time through belts and gears, which not only simplifies wiring but also reduces costs. This design can free up valuable space to better accommodate other key components, thus helping to reduce the energy consumption of the entire system.

[0020] Furthermore, a blocking net is fixedly connected to the top opening of the air intake assembly, and a high-power fan is installed in the middle of the inner side of the air intake assembly.

[0021] Through the above technical solution, the air intake operation is performed through a high-power fan, and the barrier installed on the top effectively prevents the entry of debris, thereby ensuring the safety of the internal components of the heat exchanger.

[0022] The beneficial effects of the present invention are as follows:

[0023] 1. The present invention allows the airflow to be adjusted as needed to adapt to different working conditions through the setting of the air release door. The through-rotating connection between the first gear and the mounting frame ensures the stable rotation of the air guide barrel, and the setting of the cross partition further optimizes the distribution of the airflow and reduces the turbulence of the airflow in the air guide barrel. The combination of the slide groove and the slider allows the air release door to automatically adjust the opening and closing degree according to the change of the internal pressure, ensuring the continuity and uniformity of the airflow, so that the entire heat exchanger can maintain an efficient and stable working state during operation.

[0024] 2. The present invention drives each threaded rod to rotate synchronously through the first transmission belt via the first reel, thereby pushing the connecting column between the guide blocks to move back and forth and up and down. Since several cleaning sheets on the surface of the connecting column are respectively located between the heat-conducting fins, the surface of the heat-conducting fins can be cleaned to achieve an automated cleaning effect, which greatly reduces the labor cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is a first structural schematic diagram of the present invention;

[0026] Figure 2 is a second structural schematic diagram of the present invention;

[0027] Figure 3 for Figure 2 The enlarged schematic diagram at A in the middle;

[0028] Figure 4It is a schematic cross-sectional view of the internal structure of the present invention;

[0029] Figure 5 is a schematic diagram of the gas guide barrel structure of the present invention from a first viewing angle;

[0030] Figure 6 is a schematic diagram of the gas guide barrel structure of the present invention from a second viewing angle;

[0031] Figure 7 It is a partial schematic diagram of a single air release valve structure of the present invention;

[0032] Figure 8 is a first schematic diagram of the mounting base structure of the present invention;

[0033] Fig. 9 is a second schematic diagram of the mounting base structure of the present invention;

[0034] Fig.10 It is a schematic diagram of the structure of the cleaning assembly of the present invention;

[0035] Fig.11 It is a schematic diagram of the installation frame structure of the present invention;

[0036] Fig.12 It is a schematic diagram of the structure of the heat dissipation assembly of the present invention;

[0037] Fig.13 It is a schematic diagram of the structure of the air intake assembly of the present invention.

[0038] Figure numerals: 1, mounting base; 101, supporting column; 2, mounting frame; 201, supporting plate; 202, supporting column; 203, guide column; 204, clamping groove; 3, heat dissipation assembly; 301, heat conduction fin plate; 302, heat conduction pipe; 4, top cover; 5, air intake assembly; 501, blocking net; 502, high-power fan; 6, cleaning assembly; 601, guide block; 602, connecting column; 603, cleaning sheet; 604, threaded rod; 605, first reel; 606, first transmission belt; 7, air guide barrel; 70 1. vent valve; 702. first gear; 703. cross partition; 704. gear ring; 705. second gear; 706. transmission rod; 707. slide groove; 708. slider; 709. pull plate; 710. bump; 711. mounting sleeve; 712. eccentric cam; 8. compressor; 801. first conduit; 802. second conduit; 9. motor; 901. second reel; 902. third gear; 903. second transmission belt; 10. liquid storage tank; 1001. fixing plate; 1002. connecting pipe. DETAILED DESCRIPTION

[0039] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0040] like Figures 1 to 13 As shown, a multi-faceted return air heat exchanger for air conditioning and refrigeration in this embodiment includes a mounting base 1, a mounting frame 2 is fixedly connected to the top of the mounting base 1, heat dissipation components 3 are respectively installed on four surfaces of the mounting frame 2, a cleaning component 6 is installed on the inner side of the mounting frame 2, an air guide barrel 7 is rotatably connected to the middle of the mounting frame 2, a top cover 4 is fixedly connected to the top of the mounting frame 2, and an air intake component 5 is installed in the middle of the top cover 4. The air guide barrel 7 allows the airflow to be adjusted as needed, thereby ensuring the continuity and uniformity of the airflow, so that the entire heat exchanger can maintain an efficient and stable working state during operation.

[0041] like Figures 4 to 7 As shown, a plurality of air release doors 701 are installed on the cylindrical surface of the air guide barrel 7, which can realize the uniform distribution of the air flow in the air guide barrel 7. The top of the air guide barrel 7 is rotatably connected to the air intake assembly 5, and the bottom of the air guide barrel 7 is fixedly connected to a first gear 702, which is rotatably connected to the mounting frame 2. A cross partition 703 is fixedly connected to the inner side of the air guide barrel 7, and the rotatably connected through-through connection between the first gear 702 and the mounting frame 2 ensures the stable rotation of the air guide barrel 7. The setting of the cross partition 703 further optimizes the distribution of the air flow and reduces the turbulence of the air flow in the air guide barrel 7. The plurality of air release doors 701 are located on one side of the interior. A slide groove 707 is provided on the surface, and a slider 708 is slidably connected to the inner side of the slide groove 707. A pull plate 709 is rotatably connected to the raised end in the middle of the slider 708. The pull plate 709 is rotatably connected to the end away from the slider 708 with a mounting sleeve 711. One end of the mounting sleeve 711 is fixedly connected to the inner wall of the air guide barrel 7. A protrusion 710 is fixedly connected to the end of the pull plate 709 close to the mounting sleeve 711. The combination of the slide groove 707 and the slider 708 allows the vent door 701 to automatically adjust the degree of opening and closing according to the change of the internal pressure, thereby ensuring the continuity and uniformity of the airflow, so that the entire heat exchanger can maintain an efficient and stable working state during operation.

[0042] like Figure 6 to Figure 7As shown, a transmission rod 706 is rotatably connected to the middle part of the installation sleeve 711, and eccentric cams 712 are rotatably connected to both sides of the pull plate 709. The middle part of the eccentric cam 712 is fixedly connected to the transmission rod 706, and the eccentric cam 712 is rotatably fitted with the protrusion 710. The opening and closing degree of the air release door 701 is adjusted by rotating and fitting with the protrusion 710, thereby realizing fine control of the airflow. The top end of the transmission rod 706 is rotatably connected to the air guide barrel 7, and the through end of the transmission rod 706 is fixedly connected to the second gear 705. The outer side of the second gear 705 is meshingly connected to the ring gear 704, and the outer side of the ring gear 704 is fixedly connected to the air intake component 5. When the air guide barrel 7 rotates, the meshing transmission connection between the second gear 705 and the fixed ring gear 704 will drive the rotation of the transmission rod 706, further ensuring the uniform distribution of the airflow and the heat exchange efficiency, which not only ensures the stability and reliability of the heat exchanger, but also improves its adaptability and adjustability, and meets the high requirements of the air conditioning refrigeration system for heat exchange efficiency and stability.

[0043] like Figures 8 to 9 As shown, a plurality of supporting columns 101 are fixedly connected to the inner side of the mounting base 1, and a compressor 8 is installed between the supporting columns 101. The arrangement of the supporting columns 101 not only enhances the structural stability of the heat exchanger, but also provides a stable mounting foundation for the compressor 8, thereby reducing vibration and noise during operation. The upper and lower ends of the compressor 8 are respectively fixedly connected with a first conduit 801 and a second conduit 802. A liquid storage tank 10 is installed on the inner side of the mounting base 1, a fixing plate 1001 is fixedly connected to the middle of the liquid storage tank 10, and the bottom end of the fixing plate 1001 is fixedly connected to the mounting base 1. Connecting pipes 1002 are respectively installed at both ends of the liquid storage tank 10, and the connecting pipes 1002 are connected to the compressor 8 at one end away from the liquid storage tank 10. The liquid storage tank 10 enables the refrigerant to be effectively stored and distributed, and the use of the fixing plate 1001 further ensures the stability and safety of the liquid storage tank 10.

[0044] like Figure 8 As shown, a motor 9 is installed inside the mounting base 1, and the power output end of the motor 9 is rotatably connected to the top of the mounting base 1, and a second reel 901 is fixedly connected to the power output end of the motor 9. A second transmission belt 903 is frictionally connected between the second reel 901 and a first reel 605, and a third gear 902 is fixedly connected to the top of the second reel 901, and one side of the third gear 902 is meshingly connected to the first gear 702.

[0045] like Figure 10 to Figure 11As shown, the cleaning assembly 6 includes a plurality of guide blocks 601, and the plurality of guide blocks 601 are respectively slidably connected to the guide columns 203, and connecting columns 602 are respectively fixedly connected between the guide blocks 601, and a plurality of cleaning sheets 603 are installed on the surface of the connecting columns 602, and the plurality of cleaning sheets 603 are respectively located between the heat-conducting fins 301, and a plurality of guide blocks 601 are respectively threadedly connected with threaded rods 604 in the middle, and the bottom ends of the plurality of threaded rods 604 are rotatably connected with the mounting frame 2, and the through ends of the plurality of threaded rods 604 are fixedly connected with first reels 605, and a plurality of first reels 605 are frictionally connected with first transmission belts 606.

[0046] like Fig.11 As shown, the mounting frame 2 includes a support plate 201, and support columns 202 are fixedly connected to the four corners of the support plate 201, and guide columns 203 are fixedly connected to the support plate 201 near the corners, and clamping grooves 204 are fixedly connected between the support columns 202 and the guide columns 203. The design of the support plate 201 also facilitates the installation and maintenance of the heat dissipation component 3, making the use of the entire heat exchanger more convenient and efficient. The inner side of the clamping groove 204 is in meshing contact with the heat dissipation component 3, thereby realizing a close combination of the heat dissipation component 3 and the supporting structure, and enhancing the mechanical strength and durability of the entire heat exchanger.

[0047] like Figure 3 and Fig.12 As shown, a single heat dissipation component 3 includes a plurality of heat-conducting fins 301 and a plurality of heat-conducting pipes 302. The heat-conducting fins 301 and the heat-conducting pipes 302 are arranged to cross and penetrate each other. The staggered arrangement design of the heat-conducting fins 301 allows the refrigerant to fully contact the heat-conducting fins 301 when flowing through the heat-conducting pipes 302, thereby improving the efficiency of heat exchange. The heat-conducting pipes 302 are meshed and connected with the clamping grooves 204. The meshing connection between the heat-conducting pipes 302 and the clamping grooves 204 ensures the stability and sealing of the heat-conducting pipes 302 during operation, and avoids leakage of the refrigerant. The water inlet end of the heat-conducting pipe 302 is fixedly connected to the first conduit 801, and the water outlet end of the heat-conducting pipe 302 is fixedly connected to the second conduit 802. The heat dissipation component 3 is interconnected with the compressor 8 through the first conduit 801 and the second conduit 802, thereby realizing efficient circulation of the refrigerant inside the heat dissipation component 3 and improving the heat exchange efficiency.

[0048] like Fig.13 As shown, a blocking net 501 is fixedly connected to the top opening of the air intake component 5, and the blocking net 501 effectively prevents the entry of debris and ensures the safety of the internal components of the heat exchanger. A high-power fan 502 is installed in the middle of the inner side of the air intake component 5, and the air intake operation is performed through the high-power fan 502.

[0049] The working principle of this embodiment is as follows:

[0050] The staff connects the refrigerant liquid to the liquid storage tank 10. Since the liquid storage tank 10 is connected to the compressor 8 through the connecting pipe 1002, the compressor 8 then sends the refrigerant liquid to the heat dissipation component 3 through the first conduit 801 for heat dissipation.

[0051] The refrigerant flows in the heat pipe 302 of the heat dissipation component 3. During this process, the staggered arrangement design of the heat-conducting fins 301 enables the refrigerant to fully contact the fins when flowing through the heat pipe 302, thereby improving the efficiency of heat exchange. The refrigerant then returns to the compressor 8 through the second conduit 802. The compressor 8 compresses and condenses the refrigerant. The condensed refrigerant returns to the liquid storage tank 10 through the connecting pipe 1002, completing a refrigeration cycle.

[0052] During the whole process, the air intake assembly 5 at the top of the multi-faceted return air heat exchanger operates the air intake through the high-power fan 502, and the blocking net 501 installed on the top effectively prevents the entry of debris, thereby ensuring the safety of the internal components of the heat exchanger.

[0053] When air is poured into the air guide barrel 7, the setting of the air release door 701 allows the airflow to be adjusted as needed to adapt to different working conditions. The first gear 702 is connected to the mounting frame 2 through a rotational connection, and the single motor 9 inside the mounting base 1 is meshed with the first gear 702 at the bottom of the air guide barrel 7 through the third gear, ensuring the stable rotation of the air guide barrel 7, and the setting of the cross partition 703 further optimizes the distribution of the airflow and reduces the turbulence of the airflow in the air guide barrel 7. The setting of the transmission rod 706 enables the eccentric cam 712 to adjust the opening and closing degree of the air release door 701 according to the changes in the internal pressure through the rotational fit with the protrusion 710 and the combination of the slide groove 707 and the slider 708, thereby achieving fine control of the airflow, allowing the air release door 701 to automatically adjust the opening and closing degree according to the changes in the internal pressure, ensuring the continuity and uniformity of the airflow, so that the entire heat exchanger can maintain an efficient and stable working state during operation.

[0054] At the same time, the single motor 9 inside the mounting base 1 can drive the first reel 605 in the cleaning assembly 6 to rotate through the second transmission belt 903, and the first transmission belt 606 drives each threaded rod 604 to rotate synchronously through the first reel 605, pushing the connecting column 602 between the guide blocks 601 to move back and forth up and down. Since the several cleaning sheets 603 on the surface of the connecting column 602 are respectively located between the heat-conducting fin plates 301, the surface of the heat-conducting fin plates 301 can be cleaned, thereby achieving an automated cleaning effect and greatly reducing the labor cost.

[0055] The above description is only a preferred embodiment of the present invention and is not intended to limit the protection scope of the present invention.

Claims

1. A multi-surface return air heat exchanger for air conditioning and refrigeration, comprising a mounting base (1), characterized in that: The top of the mounting base (1) is fixedly connected to a mounting frame (2), four surfaces of the mounting frame (2) are respectively installed with heat dissipation components (3), the inner side of the mounting frame (2) is installed with a cleaning component (6), the middle part of the mounting frame (2) is rotatably connected to an air guide barrel (7), the top of the mounting frame (2) is fixedly connected to a top cover (4), and the middle part of the top cover (4) is installed with an air intake component (5); A plurality of air release doors (701) are installed on the cylindrical surface of the air guide barrel (7); the top of the air guide barrel (7) is rotatably connected to the air intake assembly (5); the bottom of the air guide barrel (7) is fixedly connected to a first gear (702); the first gear (702) is rotatably connected to the mounting frame (2); a cross partition (703) is fixedly connected to the inner side of the air guide barrel (7); and a sliding groove is provided on one side of the inner surface of the plurality of air release doors (701). (707), a slider (708) is slidably connected to the inner side of the slide groove (707), a pull plate (709) is rotatably connected to the raised end in the middle of the slider (708), an installation sleeve (711) is rotatably connected to the end of the pull plate (709) away from the slider (708), one end of the installation sleeve (711) is fixedly connected to the inner wall of the air guide barrel (7), and a protrusion (710) is fixedly connected to the end of the pull plate (709) close to the installation sleeve (711); The middle part of the mounting sleeve (711) is rotatably connected to a transmission rod (706), and the two sides of the pull plate (709) are rotatably connected to eccentric cams (712). The middle part of the eccentric cam (712) is fixedly connected to the transmission rod (706), and the eccentric cam (712) is rotatably fitted with the protrusion (710). The top end of the transmission rod (706) is rotatably connected to the air guide barrel (7), and the through end of the transmission rod (706) is fixedly connected to a second gear (705), and the outer side of the second gear (705) is meshingly connected to a gear ring (704), and the outer side of the gear ring (704) is fixedly connected to the intake assembly (5).

2. The multi-surface return air heat exchanger for air conditioning and refrigeration according to claim 1, characterized in that: A plurality of supporting columns (101) are fixedly connected to the inner side of the mounting base (1), a compressor (8) is installed between the supporting columns (101), and a first conduit (801) and a second conduit (802) are fixedly connected to the upper and lower ends of the compressor (8), respectively; a liquid storage tank (10) is installed on the inner side of the mounting base (1), a fixing plate (1001) is fixedly connected to the middle of the liquid storage tank (10), and the bottom end of the fixing plate (1001) is fixedly connected to the mounting base (1), and connecting pipes (1002) are respectively installed at both ends of the liquid storage tank (10), and the connecting pipe (1002) is connected to the compressor (8) at one end away from the liquid storage tank (10).

3. The multi-surface return air heat exchanger for air conditioning and refrigeration according to claim 1, characterized in that: The installation frame (2) comprises a support plate (201), support columns (202) are fixedly connected at four corners of the support plate (201), guide columns (203) are fixedly connected near the corners of the support plate (201), a clamping groove (204) is fixedly connected between the support column (202) and the guide column (203), and the inner side of the clamping groove (204) is in meshing contact with the heat dissipation component (3).

4. The multi-surface return air heat exchanger for air conditioning and refrigeration according to claim 1, characterized in that: A single heat dissipation component (3) comprises a plurality of heat-conducting fins (301) and a plurality of heat-conducting pipes (302); the heat-conducting fins (301) and the heat-conducting pipes (302) are arranged to cross and penetrate each other; the heat-conducting pipes (302) are meshedly connected with the clamping grooves (204); the water inlet end of the heat-conducting pipe (302) is fixedly connected with the first conduit (801); the water outlet end of the heat-conducting pipe (302) is fixedly connected with the second conduit (802); and the heat dissipation component (3) is interconnected with the compressor (8) via the first conduit (801) and the second conduit (802).

5. The multi-surface return air heat exchanger for air conditioning and refrigeration according to claim 1, characterized in that: The cleaning assembly (6) comprises a plurality of guide blocks (601), wherein the plurality of guide blocks (601) are respectively slidably connected to the guide posts (203), wherein the guide blocks (601) are respectively fixedly connected with connecting posts (602), wherein the surfaces of the connecting posts (602) are provided with a plurality of cleaning sheets (603), wherein the plurality of cleaning sheets (603) are respectively located between the heat-conducting fin plates (301), wherein the middle parts of the plurality of guide blocks (601) are respectively threadedly connected with threaded rods (604), wherein the bottom ends of the plurality of threaded rods (604) are rotatably connected with the mounting frame (2), wherein the through ends of the plurality of threaded rods (604) are fixedly connected with first reels (605), and wherein the plurality of first reels (605) are frictionally connected with first transmission belts (606).

6. The multi-surface return air heat exchanger for air conditioning and refrigeration according to claim 1, characterized in that: A motor (9) is installed inside the mounting base (1); a power output end of the motor (9) is rotatably connected to the top of the mounting base (1); a second reel (901) is fixedly connected to the power output end of the motor (9); a second transmission belt (903) is frictionally connected between the second reel (901) and a first reel (605); a third gear (902) is fixedly connected to the top of the second reel (901); and one side of the third gear (902) is meshingly connected to the first gear (702).

7. The multi-surface return air heat exchanger for air conditioning and refrigeration according to claim 1, characterized in that: The top opening of the air intake assembly (5) is fixedly connected to a blocking net (501), and a high-power fan (502) is installed in the middle of the inner side of the air intake assembly (5).

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