Low-energy plate-fin heat exchanger

Abstract

The application discloses a low-energy-consumption plate-fin heat exchanger and relates to the technical field of heat exchangers. The plate-fin heat exchanger comprises a mounting plate, a heat exchange conduit is fixedly installed on the top of the mounting plate through a fixing plate, and a plurality of heat conduction mechanisms are installed on the heat exchange conduit. A separation mechanism is cooperatively installed on both sides of each heat conduction mechanism. A placing plate and a sliding plate are arranged on the two sides of the heat exchange conduit, and the placing plate and the sliding plate are connected through a pressing mechanism. The moving block can be moved by starting the motor, the moving block drives the placing plate and the heat exchange fan to move, so that the heat dissipation position can be adjusted. The left moving plate fins and the right moving plate fins corresponding to the heat exchange fan always maintain a combined state during the movement of the heat exchange fan, and the left moving plate fins and the right moving plate fins staggered with the heat exchange fan become a separated state, so that the area directly opposite to the heat exchange fan is prevented from excessive heat dissipation.

Description

Technical Field

[0001] This invention relates to the field of heat exchanger technology, specifically a low-energy plate-fin heat exchanger. Background Technology

[0002] Plate-fin heat exchangers are high-efficiency heat exchange equipment. With their advantages of compact structure, large heat exchange area and high heat transfer efficiency, they are widely used in many fields such as chemical industry, refrigeration, and energy heat dissipation. Plate-fin heat exchangers mainly rely on fins to expand the heat exchange area. The medium flows inside the heat exchange tube, and the external airflow washes over the fins to complete the energy exchange between the hot and cold media, thereby realizing the transfer and dissipation of heat.

[0003] Most existing plate-fin heat exchangers use a fixed fin installation structure, and the fin spacing cannot be adaptively adjusted according to the fan's heat dissipation position. During operation, the airflow velocity in the fan-blown area is high, resulting in a large heat transfer load on the fins and a tendency for localized overheating. Conversely, the airflow velocity around the fan is lower, preventing the fins from fully utilizing their heat transfer capacity. Furthermore, the fixed fan mounting position in conventional equipment limits the flexibility of heat dissipation coverage. Therefore, we disclose a low-energy-consumption plate-fin heat exchanger to address this problem. Summary of the Invention

[0004] The purpose of this invention is to provide a low-energy plate-fin heat exchanger to solve the problems raised in the prior art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: the plate-fin heat exchanger includes a mounting plate, and a heat exchange conduit is fixedly mounted on the top of the mounting plate by a fixing plate, and a plurality of heat conduction mechanisms are mounted on the heat exchange conduit; Each of the heat-conducting mechanisms is fitted with a separation mechanism on both sides; The heat exchange conduit is provided with a placement plate and a sliding plate on both sides, and the placement plate and the sliding plate are connected by a pressing mechanism. The pressing mechanism is installed in conjunction with the separation mechanism. A threaded moving mechanism is installed on one side of the mounting plate. The threaded moving mechanism is installed in conjunction with the pressing mechanism. A heat exchange fan is installed on the threaded moving mechanism. The threaded moving mechanism includes a stud, a housing is mounted on the top of the mounting plate, a motor is fixedly mounted on the side of the housing, the output shaft of the motor extends into the housing and is fixedly mounted with an upper gear, a rotating groove is opened on the top of the mounting plate, the non-threaded end of the stud extends into the rotating groove and is fixedly sleeved with a lower gear, the lower gear meshes with the upper gear, a moving block is threaded onto the stud, the top of the moving block is fixedly connected to the bottom of the placement plate, and the heat exchange fan is fixedly mounted on the top of the placement plate; when the motor is started, the output shaft of the motor rotates, driving the upper gear to rotate, the upper gear to rotate, the lower gear to rotate, the lower gear to rotate, causing the stud to rotate, the stud to rotate, causing the moving block to move, the moving block to move the placement plate and the heat exchange fan, thereby adjusting the heat dissipation position.

[0006] As a preferred technical solution, there are two mounting plates and two fixing plates. Two connecting plates are fixedly installed on the sides of the two mounting plates that are close to each other. The heat exchange conduit is located between the two connecting plates. A connecting hole is opened on the top of one of the connecting plates. The moving block is slidably installed in the connecting hole. The end of the stud away from the lower gear is rotatably installed on the side of the mounting plate. The connecting hole is used to avoid the moving block, and the connecting plate is used to fix the two mounting plates.

[0007] As a preferred technical solution, the pressing mechanism includes two extrusion plates, which are respectively fixedly installed on the top of the sliding plate and the placement plate. The tops of the two extrusion plates are connected by a connecting frame located outside the heat exchange conduit. Extrusion grooves are provided on both sides of the two extrusion plates. Rotating columns are fixedly installed on the inner wall of one side of each of the two extrusion grooves. Extrusion columns are rotatably sleeved on each of the two rotating columns. The bottom of the extrusion column is on the same horizontal plane as the bottom of the extrusion plate. The movement of the extrusion plate drives the sliding plate to move through the connecting frame, thereby causing the other extrusion plate to move. The movement of the extrusion plate will drive the extrusion column to move, thereby extruding the arc-shaped groove on the top of the movable block, which facilitates the subsequent merging of the left and right moving plate fins corresponding to the heat exchange fan.

[0008] As a preferred technical solution, temperature sensors are fixedly installed on the top of both extrusion plates. The two temperature sensors are located on both sides of the heat exchange duct and correspond to the positions of the heat exchange fans. By setting the two temperature sensors, the temperature difference between the two sides of the heat exchange duct can be detected. If the difference is small, the wind speed of the heat exchange fan can be increased to improve the heat exchange effect. When the difference is large, the wind speed of the heat exchange fan can be reduced to avoid the heat exchange fan from running at full load for a long time and reduce ineffective heat dissipation loss.

[0009] As a preferred technical solution, the heat-conducting mechanism includes multiple heat-conducting sleeves, each of which is fixedly fitted onto a heat exchange conduit. Left-moving plate fins and right-moving plate fins are slidably mounted on each of the heat-conducting sleeves. A sliding hole is provided on one side of each heat-conducting sleeve, located on the side of the left-moving plate fins and right-moving plate fins. The heat-conducting sleeve is fitted with the sliding hole. Multiple evenly circumferentially arranged sliding grooves are provided on the outer side of each heat-conducting sleeve. Two sliders are slidably mounted within each of the multiple sliding grooves. The sides of the two sliders furthest from the heat-conducting sleeve are fixedly connected to the inner walls of the two sliding holes, respectively. Through the arrangement of the heat-conducting sleeves, heat can be transferred from the heat exchange conduit to the left-moving plate fins and right-moving plate fins, thereby dissipating heat.

[0010] As a preferred technical solution, the separation mechanism includes a movable hole opened at the top of the connecting plate, a movable block slidably installed in the movable hole, an arc-shaped groove opened at the top of the movable block, the arc-shaped groove corresponding to the position of the extrusion column, two oblique holes opened on the side of the movable block, and a pressure column slidably installed in each of the two oblique holes, one end of the two pressure columns being fixedly connected to the side of the adjacent left-moving plate fin and right-moving plate fin respectively, and the side of the movable block being fixedly connected to the bottom of the connecting plate through a reset assembly; when the new left-moving plate fin and right-moving plate fin correspond to the heat exchange fan, the extrusion column contacts the arc-shaped groove, the extrusion column will squeeze the arc-shaped groove, thereby causing the movable block to move downward, the movement of the movable block drives the two pressure columns to move closer to each other through the two oblique holes, the two pressure columns moving closer to each other drive the left-moving plate fin and right-moving plate fin to move closer to each other, thereby merging, so that the left-moving plate fin and right-moving plate fin facing the heat exchange fan are in a merged state, increasing the fin spacing and reducing the intermediate heat exchange area.

[0011] As a preferred technical solution, the reset assembly includes a mounting rod fixedly installed at the bottom of the connecting plate, a mounting seat slidably sleeved on the mounting rod, and a spring sleeved on the mounting rod. The top end of the spring is fixedly installed on the bottom of the connecting plate, and the bottom end of the spring is fixedly installed on the top of the mounting seat. When the left and right moving plate fins separate from the heat exchange fan, the mounting seat moves upward under the reaction force of the spring. The movement of the mounting seat causes the movable block to move upward, thereby causing the two pressure columns to move away from each other. The movement of the two pressure columns causes the left and right moving plate fins to separate, thus ensuring that the left and right moving plate fins corresponding to the heat exchange fan remain in a combined state during the movement of the heat exchange fan. The left and right moving plate fins that are offset from the heat exchange fan will become separated, avoiding excessive heat dissipation in the area directly opposite the heat exchange fan.

[0012] As a preferred technical solution, a slide rail is installed on the top of the connecting plate away from the heat exchange fan, and the sliding plate is slidably sleeved on the slide rail. Two mounting holes are opened on the top of both mounting plates, and the two rotating columns are located on both sides of the heat exchange fan. The slide rail is used to limit the sliding plate so that it can only slide back and forth.

[0013] Compared with the prior art, the beneficial effects of the present invention are: This device uses two temperature sensors to detect the temperature difference between the two sides of the heat exchange duct. If the difference is small, the fan speed can be increased to improve the heat exchange effect. If the difference is large, the fan speed can be reduced to avoid the fan running at full load for a long time and reduce ineffective heat dissipation loss.

[0014] This device can move the moving block by starting the motor. The movement of the moving block drives the placement plate and heat exchange fan to move, thereby adjusting the heat dissipation position.

[0015] During the movement of the heat exchange fan, the corresponding left and right moving plate fins of this device remain in a combined state. The left and right moving plate fins that are offset from the heat exchange fan will become separated, thus preventing excessive heat dissipation in the area directly opposite the heat exchange fan.

[0016] The left and right moving plate fins corresponding to the heat exchange fan of this device are combined to increase the fin spacing and reduce the heat exchange area in the middle. Meanwhile, the left and right moving plate fins located on the side of the heat exchange fan are in a separate state, with low wind speed on both sides and weak airflow heat exchange. The denser fins increase the heat exchange area and make up for the heat dissipation. Attached Figure Description

[0017] Figure 1 This is a first-view perspective perspective view of the present invention; Figure 2 This is a perspective view of the mounting plate and housing of the present invention cut apart; Figure 3 for Figure 2 Enlarged view of point A in the middle; Figure 4 This is a schematic diagram showing the connection between the heat exchange fan and part of the downward pressure mechanism. Figure 5 This is a second-view perspective perspective view of the present invention; Figure 6 yes Figure 5 Enlarged view at point B in the middle; Figure 7 This is a schematic diagram showing the connection between the heat exchange fan and the downward pressing mechanism. Figure 8 for Figure 7 Enlarged view of point C in the middle.

[0018] In the diagram: 1. Mounting plate; 2. Fixing plate; 3. Heat exchange conduit; 4. Left-moving plate fins; 5. Right-moving plate fins; 6. Connecting plate; 7. Connecting hole; 8. Heat exchange fan; 9. Moving block; 10. Stud; 11. Upper gear; 12. Motor; 13. Housing; 14. Lower gear; 15. Rotating groove; 16. Placement plate; 17. Rotating column; 18. Temperature sensor; 19. Extrusion plate; 20. Extrusion column; 21. Connecting frame; 22. Sliding plate; 23. Slide rail; 24. Heat-conducting sleeve; 25. Slide groove; 26. Slider; 27. Movable block; 28. Arc groove; 29. ​​Angled hole; 30. Pressure column; 31. Spring; 32. Mounting base; 33. Mounting rod. Detailed Implementation

[0019] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0020] Example: Figures 1-8 As shown, the present invention provides a technical solution for a low-energy plate-fin heat exchanger. The plate-fin heat exchanger includes a mounting plate 1, and a heat exchange conduit 3 is fixedly mounted on the top of the mounting plate 1 by a fixing plate 2. Multiple heat conduction mechanisms are mounted on the heat exchange conduit 3. Each heat conduction mechanism is fitted with a separation mechanism on both sides; A placement plate 16 and a sliding plate 22 are respectively provided on both sides of the heat exchange pipe 3. The placement plate 16 and the sliding plate 22 are connected by a pressing mechanism, and the pressing mechanism is installed in conjunction with the separation mechanism. A threaded moving mechanism is installed on one side of the mounting plate 1. The threaded moving mechanism is installed in conjunction with the pressing mechanism. A heat exchange fan 8 is installed on the threaded moving mechanism. The threaded movement mechanism includes a stud 10. A housing 13 is mounted on the top of the mounting plate 1. A motor 12 is fixedly mounted on the side of the housing 13. The output shaft of the motor 12 extends into the housing 13 and is fixedly mounted with an upper gear 11. A rotating groove 15 is provided on the top of the mounting plate 1. The non-threaded end of the stud 10 extends into the rotating groove 15 and is fixedly sleeved with a lower gear 14. The lower gear 14 meshes with the upper gear 11. A moving block 9 is threaded onto the stud 10. The top of the moving block 9 is fixedly connected to the bottom of the placement plate 16. A heat exchange fan 8 is fixedly mounted on the top of the placement plate 16. When the motor 12 is started, the output shaft of the motor 12 rotates, driving the upper gear 11 to rotate. The rotation of the upper gear 11 drives the lower gear 14 to rotate, which in turn drives the stud 10 to rotate. The rotation of the stud 10 causes the moving block 9 to move, which in turn moves the placement plate 16 and the heat exchange fan 8, thereby adjusting the heat dissipation position.

[0021] like Figure 1 , Figure 2 and Figure 3 As shown, there are two mounting plates 1 and two fixing plates 2. Two connecting plates 6 are fixedly installed on the sides of the two mounting plates 1 that are close to each other. The heat exchange pipe 3 is located between the two connecting plates 6. One of the connecting plates 6 has a connecting hole 7 on its top. The moving block 9 is slidably installed in the connecting hole 7. The end of the stud 10 away from the lower gear 14 is rotatably installed on the side of the mounting plate 1. The connecting hole 7 is used to avoid the moving block 9, and the connecting plates 6 are used to fix the two mounting plates 1.

[0022] like Figure 4 As shown, the pressing mechanism includes two extrusion plates 19, which are fixedly installed on the top of the sliding plate 22 and the placement plate 16, respectively. The tops of the two extrusion plates 19 are connected by a connecting frame 21, which is located outside the heat exchange conduit 3. Extrusion grooves are provided on both sides of the two extrusion plates 19. Rotating columns 17 are fixedly installed on the inner wall of one side of each of the two extrusion grooves. Extrusion columns 20 are rotatably sleeved on each of the two rotating columns 17. The bottom of the extrusion column 20 is on the same horizontal plane as the bottom of the extrusion plate 19. The movement of the extrusion plate 19 drives the sliding plate 22 to move through the connecting frame 21, thereby causing the other extrusion plate 19 to move. The movement of the extrusion plate 19 will drive the extrusion column 20 to move, thereby extruding the arc-shaped groove 28 on the top of the movable block 27, which facilitates the subsequent merging of the left-moving plate fin 4 and the right-moving plate fin 5 corresponding to the heat exchange fan 8.

[0023] like Figure 7 and Figure 8As shown, temperature sensors 18 are fixedly installed on the top of both extrusion plates 19. The two temperature sensors 18 are located on both sides of the heat exchange duct 3, and their positions correspond to those of the heat exchange fan 8. By setting the two temperature sensors 18, the temperature difference between the two sides of the heat exchange duct 3 can be detected. If the difference is small, the airflow speed of the heat exchange fan 8 can be increased to improve the heat exchange effect. When the difference is large, the airflow speed of the heat exchange fan 8 can be reduced to avoid the heat exchange fan 8 operating at full load for a long time and reduce ineffective heat dissipation loss.

[0024] like Figure 5 and Figure 6 As shown, the heat-conducting mechanism includes multiple heat-conducting sleeves 24, each fixedly fitted onto the heat exchange conduit 3. Left-moving plate fins 4 and right-moving plate fins 5 are slidably mounted on each heat-conducting sleeve 24. A sliding hole is provided on one side of each heat-conducting sleeve 24, located on the side of the left-moving plate fin 4 and right-moving plate fin 5. The heat-conducting sleeve 24 is fitted with the sliding hole. Multiple evenly circumferentially arranged sliding grooves 25 are provided on the outer side of each heat-conducting sleeve 24. Two sliders 26 are slidably mounted within each of the sliding grooves 25. The sides of the two sliders 26 furthest from the heat-conducting sleeve 24 are fixedly connected to the inner walls of the two sliding holes, respectively. Through the arrangement of the heat-conducting sleeves 24, heat can be transferred from the heat exchange conduit 3 to the left-moving plate fins 4 and right-moving plate fins 5, thereby dissipating heat.

[0025] like Figures 6-7 As shown, the separation mechanism includes a movable hole on the top of the connecting plate 6, in which a movable block 27 is slidably installed. The top of the movable block 27 is provided with an arc-shaped groove 28, which corresponds to the position of the extrusion column 20. Two oblique holes 29 are provided on the side of the movable block 27, and a pressure column 30 is slidably installed in each of the two oblique holes 29. One end of the two pressure columns 30 is fixedly connected to the side of the adjacent left-moving plate fin 4 and right-moving plate fin 5, respectively. The side of the movable block 27 is fixedly connected to the bottom of the connecting plate 6 through a reset assembly. When the new left-moving plate fin 4 and right-moving plate fin 5 correspond to the heat exchange fan 8, the extrusion column 20 contacts the arc groove 28. The extrusion column 20 will extrude the arc groove 28, causing the movable block 27 to move downward. The movement of the movable block 27 drives the two pressure columns 30 to move closer to each other through the two inclined holes 29. The two pressure columns 30 move closer to each other, causing the left-moving plate fin 4 and right-moving plate fin 5 to move closer to each other, thus merging them. This makes the left-moving plate fin 4 and right-moving plate fin 5 facing the heat exchange fan 8 in a merged state, increasing the fin spacing and reducing the intermediate heat exchange area.

[0026] like Figure 8As shown, the reset assembly includes a mounting rod 33 fixedly installed at the bottom of the connecting plate 6. A mounting seat 32 is slidably sleeved on the mounting rod 33, and a spring 31 is sleeved on the mounting rod 33. The top end of the spring 31 is fixedly installed on the bottom of the connecting plate 6, and the bottom end of the spring 31 is fixedly installed on the top of the mounting seat 32. When the left-moving plate fin 4 and the right-moving plate fin 5 separate from the heat exchange fan 8, the mounting seat 32 moves upward under the reaction force of the spring 31. The movement of the mounting seat 32 causes the movable block 27 to move upward, thereby causing the two pressure columns 30 to move away from each other. The movement of the two pressure columns 30 causes the left-moving plate fin 4 and the right-moving plate fin 5 to separate, thus ensuring that the left-moving plate fin 4 and the right-moving plate fin 5 corresponding to the heat exchange fan 8 remain in a combined state during the movement of the heat exchange fan 8. The left-moving plate fin 4 and the right-moving plate fin 5 that are offset from the heat exchange fan 8 will become separated, avoiding excessive heat dissipation in the area directly opposite the heat exchange fan 8.

[0027] like Figure 6 As shown, a slide rail 23 is installed on the top of the connecting plate 6 away from the heat exchange fan 8. The sliding plate 22 is slidably sleeved on the slide rail 23. The slide rail 23 is used to limit the sliding plate 22 so that it can only slide back and forth. like Figure 1 As shown, each of the two mounting plates 1 has two mounting holes on its top, and two rotating columns 17 are located on both sides of the heat exchange fan 8. The heat exchanger can be installed through the two mounting holes.

[0028] Working principle of the invention: In use, heat exchange liquid can be discharged through heat exchange conduit 3. By starting heat exchange fan 8, air can be drawn in from one side. After the air blows over the left-moving plate fin 4 and the right-moving plate fin 5, heat exchange occurs. The left-moving plate fin 4 and the right-moving plate fin 5 corresponding to heat exchange fan 8 are in a combined state. Since the wind speed of the left-moving plate fin 4 and the right-moving plate fin 5 corresponding to heat exchange fan 8 is high, the heat exchange capacity is strong. The combination of left-moving plate fin 4 and right-moving plate fin 5 increases the fin spacing and reduces the heat exchange area in the middle. The left-moving plate fin 4 and the right-moving plate fin 5 located on the side of heat exchange fan 8 are in a separated state. The wind speed on both sides is low and the airflow heat exchange is weak. The fins are denser to increase the heat exchange area and make up for the heat dissipation. Simultaneously, motor 12 can be started. The output shaft of motor 12 rotates, driving the upper gear 11 to rotate. The rotation of the upper gear 11 drives the lower gear 14 to rotate. The rotation of the lower gear 14 drives the stud 10 to rotate. The rotation of the stud 10 causes the moving block 9 to move. The movement of the moving block 9 causes the placement plate 16 and the heat exchange fan 8 to move, thereby adjusting the heat dissipation position. When adjusting the position of the heat exchange fan 8, the extrusion plate 19 will move. The movement of the extrusion plate 19 drives the sliding plate 22 to move through the connecting frame 21, thereby causing another extrusion plate 19 to move. The movement of the extrusion plate 19 will drive the extrusion column 20 to move. When the new left-moving plate fin 4 and right-moving plate fin 5 correspond to the heat exchange fan 8, the extrusion column 20 contacts the arc groove 28. The extrusion column 20 will extrude the arc groove 28, thereby causing the movable block 27 to move downward. The movement of the movable block 27 drives the two pressure columns 30 to move closer to each other through the two inclined holes 29. The two pressure columns 30 move closer to each other, causing the left-moving plate fin 4 and right-moving plate fin 5 to move closer to each other, thereby merging. The movement of the movable block 27 drives the mounting base 32 to move. The movement of the mounting base 32 causes the spring 31 to stretch. When the left-moving plate fin 4 and the right-moving plate fin 5 separate from the heat exchange fan 8, the mounting base 32 moves upward under the reaction force of the spring 31. The movement of the mounting base 32 causes the movable block 27 to move upward, thereby causing the two pressure columns 30 to move away from each other. The movement of the two pressure columns 30 causes the left-moving plate fin 4 and the right-moving plate fin 5 to separate, thus ensuring that the left-moving plate fin 4 and the right-moving plate fin 5 remain in a combined state during the movement of the heat exchange fan 8. The left-moving plate fin 4 and the right-moving plate fin 5 that are offset from the heat exchange fan 8 will become separated, thus preventing excessive heat dissipation in the area directly opposite the heat exchange fan 8.

[0029] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A low-energy plate-fin heat exchanger, characterized in that: The plate-fin heat exchanger includes a mounting plate (1), and a heat exchange conduit (3) is fixedly mounted on the top of the mounting plate (1) by a fixing plate (2). Multiple heat conduction mechanisms are installed on the heat exchange conduit (3). Each of the heat-conducting mechanisms is fitted with a separation mechanism on both sides; The heat exchange conduit (3) is provided with a placement plate (16) and a sliding plate (22) on both sides respectively. The placement plate (16) and the sliding plate (22) are connected by a pressing mechanism, which is installed in conjunction with the separation mechanism. A threaded moving mechanism is installed on one side of the mounting plate (1). The threaded moving mechanism is installed in conjunction with the pressing mechanism. A heat exchange fan (8) is installed on the threaded moving mechanism. The threaded moving mechanism includes a stud (10), a housing (13) is mounted on the top of the mounting plate (1), a motor (12) is fixedly mounted on the side of the housing (13), the output shaft of the motor (12) extends into the housing (13) and is fixedly mounted with an upper gear (11), a rotating groove (15) is opened on the top of the mounting plate (1), the non-threaded end of the stud (10) extends into the rotating groove (15) and is fixedly sleeved with a lower gear (14), the lower gear (14) meshes with the upper gear (11), a moving block (9) is threaded onto the stud (10), the top of the moving block (9) is fixedly connected to the bottom of the placement plate (16), and the heat exchange fan (8) is fixedly mounted on the top of the placement plate (16).

2. The low-energy plate-fin heat exchanger according to claim 1, characterized in that: The number of mounting plates (1) and fixing plates (2) are both two. Two connecting plates (6) are fixedly installed on the sides of the two mounting plates (1) that are close to each other. The heat exchange pipe (3) is located between the two connecting plates (6). A connecting hole (7) is opened on the top of one of the connecting plates (6). The moving block (9) is slidably installed in the connecting hole (7). The end of the stud (10) away from the lower gear (14) is rotatably installed on the side of the mounting plate (1).

3. A low-energy plate-fin heat exchanger according to claim 1, characterized in that: The pressing mechanism includes two extrusion plates (19), which are fixedly installed on the top of the sliding plate (22) and the placement plate (16) respectively. The tops of the two extrusion plates (19) are connected by a connecting frame (21), which is located outside the heat exchange conduit (3). Extrusion grooves are provided on both sides of the two extrusion plates (19). Rotating columns (17) are fixedly installed on the inner wall of one side of the two extrusion grooves. Extrusion columns (20) are rotatably sleeved on the two rotating columns (17). The bottom of the extrusion column (20) is on the same horizontal plane as the bottom of the extrusion plate (19).

4. A low-energy plate-fin heat exchanger according to claim 3, characterized in that: Temperature sensors (18) are fixedly installed on the top of both extrusion plates (19). The two temperature sensors (18) are located on both sides of the heat exchange conduit (3) and correspond to the position of the heat exchange fan (8).

5. A low-energy plate-fin heat exchanger according to claim 2, characterized in that: The heat conduction mechanism includes multiple heat conduction sleeves (24), each of which is fixedly sleeved on the heat exchange conduit (3). Each of the multiple heat conduction sleeves (24) has a left-moving plate fin (4) and a right-moving plate fin (5) slidably installed on it. One side of each heat conduction sleeve (24) is provided with a sliding hole opened on the side of the left-moving plate fin (4) and the right-moving plate fin (5). The heat conduction sleeve (24) is installed in conjunction with the sliding hole. The outer side of the heat conduction sleeve (24) is provided with multiple uniformly circumferentially arranged sliding grooves (25). Two sliders (26) are slidably installed in each of the multiple sliding grooves (25). The sides of the two sliders (26) away from the heat conduction sleeve (24) are respectively fixedly connected to the inner walls of the two sliding holes.

6. A low-energy plate-fin heat exchanger according to claim 5, characterized in that: The separation mechanism includes a movable hole on the top of the connecting plate (6), in which a movable block (27) is slidably installed. The top of the movable block (27) is provided with an arc groove (28), which corresponds to the position of the extrusion column (20). The side of the movable block (27) is provided with two oblique holes (29), in which a pressure column (30) is slidably installed. One end of the two pressure columns (30) is fixedly connected to the side of the adjacent left-moving plate fin (4) and right-moving plate fin (5). The side of the movable block (27) is fixedly connected to the bottom of the connecting plate (6) through a reset assembly.

7. A low-energy plate-fin heat exchanger according to claim 6, characterized in that: The reset assembly includes a mounting rod (33) fixedly installed on the bottom of the connecting plate (6), a mounting seat (32) slidably sleeved on the mounting rod (33), a spring (31) sleeved on the mounting rod (33), the top end of the spring (31) fixedly installed on the bottom of the connecting plate (6), and the bottom end of the spring (31) fixedly installed on the top of the mounting seat (32).

8. A low-energy plate-fin heat exchanger according to claim 3, characterized in that: A slide rail (23) is installed on the top of the connecting plate (6) away from the heat exchange fan (8). The sliding plate (22) is slidably sleeved on the slide rail (23). Two mounting holes are opened on the top of the two mounting plates (1). The two rotating columns (17) are located on both sides of the heat exchange fan (8).

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