Total heat exchanger and control method thereof

Abstract

The invention relates to the technical field of total heat exchangers, and discloses a total heat exchanger and a control method thereof.The total heat exchanger comprises a box body, the two sides of the box body fixedly communicate with two ventilation pipes correspondingly, the left side and the right side of the box body are fixedly connected with an inner temperature measuring module and an outer temperature measuring module correspondingly, and the inner wall of the box body is fixedly connected with a partition plate; a fan is mounted on the inner wall of the box body; the side, away from the box body, of the partition plate is provided with a retention module, the surface of the partition plate is provided with a filtering device used for filtering dust in air and collecting the dust in the air in a centralized mode, and the inner wall of the box body is provided with a moisture-proof device used for absorbing moisture in the air. The indoor air and the outdoor air which are in heat exchange can be pushed by the rotating plate which rotates slowly to move in the shell, so that the time of the indoor air and the outdoor air staying in the shell can be prolonged, the heat exchange effect of the temperature of the indoor air and the temperature of the outdoor air is improved, and waste of the temperature in the air is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of total heat exchangers, and in particular to a total heat exchanger and a control method thereof. Background Art

[0002] A total heat exchanger is a heat transfer device used to transfer heat between two fluids without mixing the two fluids. It is usually composed of a series of pipes, plates or other forms of heat conduction surfaces, so that the two fluids are in indirect contact on the surface, thereby achieving heat transfer.

[0003] The patent with application number CN201611243070.5 relates to a total heat exchanger, which includes a sheet metal shell, an exhaust inlet, an exhaust outlet, an air supply inlet and an air supply outlet arranged on the sheet metal shell, and an exhaust device, an exhaust filter, an air supply device, an air supply filter and a heat exchange core arranged inside the sheet metal shell; the device arranges the rotating shafts of the exhaust motor and the air supply motor vertically relative to the bottom surface of the shell, so that when the total heat exchanger is working, the sheet metal resonance noise is significantly lower than that of the existing total heat exchanger, the noise caused by the sheet metal resonance is greatly reduced, and under the condition of the same air volume, it has lower wind noise. The total heat exchanger of the patent also has the characteristic of a low overall height, but the time for this device to replace outdoor air and indoor air and perform heat exchange is short, resulting in a general heat exchange effect between outdoor air and indoor air, which is easy to cause the temperature in the outdoor air or indoor air to be wasted, so a total heat exchanger and a control method thereof are proposed to solve the above-mentioned problems. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a total heat exchanger and a control method thereof in view of the deficiencies in the above-mentioned prior art.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is: a total heat exchanger, including a box body, two ventilation pipes are fixedly connected on both sides of the box body, an internal temperature measurement module and an external temperature measurement module are fixedly connected on the left and right sides of the box body, respectively, a partition is fixedly connected to the inner wall of the box body, and a fan is installed on the inner wall of the box body; a retention module is arranged on the side of the partition away from the box body, a filtering device for filtering dust in the air and collecting it centrally is arranged on the surface of the partition, and a moisture-proof device for absorbing moisture in the air is arranged on the inner wall of the box body; the retention module includes a driving module, a shell, a heat conducting plate, a guide block, a transmission rod, a rotating plate, a baffle, a fixing rod, a steel wire and a limiting plate, the driving module is a dual-axis motor, the shell is fixedly connected to the side of the partition away from the box body, the heat conducting plate is fixedly connected to the inner wall of the shell, the guide block is fixedly connected to the inner wall of the shell, the dual-axis motor is fixedly connected to the inner wall of the heat conducting plate, and the fixing rod is fixedly connected to the two output ends of the dual-axis motor, The transmission rod is sleeved on the surface of the fixed rod, the rotating plate is fixedly connected to the surface of the transmission rod, the baffle is rotatably connected to the inner wall of the rotating plate through a torsion spring, the steel wire is fixedly connected to the surface of the baffle, and the limit plate is fixedly connected to the surface of the steel wire; one end of the steel wire away from the baffle is fixedly connected to the surface of the fixed rod, the surface of the steel wire is in contact with the inner wall of the transmission rod, the side of the rotating plate away from the transmission rod is in contact with the arc surface of the guide block, and the internal temperature measurement module and the external temperature measurement module are both temperature sensors; the inner wall of the rotating plate is in contact with the surface of the dual-axis motor, the bottom of the baffle is in contact with the top of the heat conducting plate, the bottom of the rotating plate is in contact with the top of the heat conducting plate, the bottom end of the transmission rod is in contact with the top of the dual-axis motor, the top and bottom of the shell are in contact with the inner wall of the box body, and the slowly rotating rotating plate will increase the time that the indoor air and the outdoor air stay in the shell, thereby improving the heat exchange effect of the indoor air and the outdoor air temperature, and reducing the waste of temperature in the air.

[0006] Preferably, the filtering device comprises an elastic filter plate, an arc block, a movable rod and an arc plate, the elastic filter plate is fixedly connected to the surface of the partition plate, one end of the movable rod is fixedly connected to a side of the elastic filter plate close to the shell, the arc plate is fixedly connected to the other end of the movable rod, and the arc block is fixedly connected to the surface of the rotating plate; the filtering device also comprises an elastic telescopic rod, a push rod and a collecting box, the elastic telescopic rod is rotatably connected to both sides of the movable rod by a torsion spring, the push rod is fixedly connected to an end of the elastic telescopic rod away from the movable rod, and the collecting box is installed at the bottom of the box body; the surface of the push rod is in contact with the side of the elastic filter plate close to the shell, the surface of the movable rod is slidably connected to the inner wall of the shell, the arc surface of the arc plate is in contact with the arc surface of the arc block after movement, and the top and bottom of the elastic filter plate It is in contact with the inner wall of the box body. When indoor and outdoor air enters the box body, it will pass through the elastic filter plate. The elastic filter plate will filter the dust in the air to prevent dust from entering the room or accumulating on the heat conduction plate to affect the heat exchange effect of the air. At the same time, the rotating plate will drive the arc block to rotate when it rotates. After the arc block rotates, it will push the arc plate to move through the arc surface. The arc plate drives the moving rod to move, and the moving rod pushes the elastic filter plate to deform. When the elastic filter plate is deformed, the dust adhered to the surface can be caused to fall into the collection box to prevent excessive dust accumulation on the surface of the elastic filter plate and thus affect the circulation of gas. When the moving rod moves, it will drive the elastic telescopic rod to rotate. The elastic telescopic rod drives the push rod to move on the surface of the elastic filter plate and drive the elastic filter plate to deform. The push rod can further push the dust off the surface of the elastic filter plate, thereby improving the cleaning effect of the dust on the surface of the elastic filter plate.

[0007] Preferably, the moisture-proof device includes a fixed plate, a filter disc, a rotating rod, a transmission disc, an elastic telescopic column and a protrusion, the fixed plate is fixedly connected to the inner wall of the box body, the filter disc is rotatably connected to the inner wall of the fixed plate, the rotating rod is fixedly connected at the axis of the filter disc, the transmission disc is fixedly connected to the end of the rotating rod away from the filter disc, the elastic telescopic column is fixedly connected to the inner wall of the box body, and the protrusion is fixedly connected to the end of the elastic telescopic column away from the box body; the surface of the telescopic end of the elastic telescopic column contacts the surface of the transmission disc, a desiccant is arranged inside the filter disc, the side of the fixed plate away from the box body is fixedly connected to the surface of the partition, and the arc surface of the protrusion The desiccant in the filter disc absorbs moisture from the outdoor air and reduces the amount of moisture from the outside air in some humid areas, thereby ensuring indoor dryness. At the same time, the rotating plate drives the arc block to rotate, and the arc block pushes the convex block to move through the arc surface. The convex block compresses the elastic telescopic column. The surface of the telescopic end of the elastic telescopic column moves and drives the transmission disc in contact with it to rotate through friction. The transmission disc drives the filter disc to rotate through the rotating rod. When the filter disc rotates, the desiccant inside it will flip, thereby increasing the contact area between the desiccant and moisture in the air, thereby improving the drying effect and efficiency.

[0008] A control method for a total heat exchanger comprises the following steps: Step 1: When the device is in use, the left rear fan starts and draws outdoor air into the box body from the right front ventilation pipe and discharges it into the room from the left rear ventilation pipe, while the right rear fan draws indoor air into the box body from the left front ventilation pipe and discharges it from the right rear ventilation pipe, thus achieving heat exchange between indoor and outdoor air; Step 2: The temperature sensors in the internal temperature measurement module and the external temperature measurement module detect the indoor and outdoor temperatures respectively. When the indoor temperature is greater than or less than the outdoor temperature, the drive module in the retention module starts, and the dual-axis motor in the drive module starts and drives the fixed rod to rotate. The fixed rod drives the steel wire to wrap around its surface. At this time, the moving and wrapped steel wire pulls the baffle to rotate and close. At the same time, the limit plate contacts the surface of the transmission rod, so that the steel wire cannot continue to wrap around the surface of the fixed rod. Therefore, the subsequent rotation of the fixed rod drives the transmission rod to rotate, and the transmission rod drives the rotating plate to rotate slowly, and the indoor air enters under the heat conduction plate, and the outdoor air enters above the heat conduction plate, and the indoor air and outdoor air are replaced in temperature through the heat conduction plate, and the slowly rotating rotating plate increases the time that the indoor air and outdoor air stay in the shell; Step 3: When the indoor temperature is equal to the outdoor temperature, the dual-axis motor in the drive module stops operating. At this time, the torsion spring between the baffle and the rotating plate will drive the baffle to reset and open. At this time, the rotating plate stops rotating and opens a channel between itself and the baffle, allowing the outdoor and indoor air to exchange heat without staying in the shell for a long time.

[0009] The present invention adopts the above technical solution to bring the following beneficial effects: 1. The total heat exchanger and the control method thereof, through the coordinated operation of the box body, ventilation pipe, internal temperature measurement module, external temperature measurement module, partition, shell, heat conduction plate, guide block, dual-axis motor, transmission rod, rotating plate, baffle, fixed rod, wire, limit plate, and fan, during air heat exchange, the indoor air and outdoor air being heat exchanged will be pushed to move in the shell by the slowly rotating rotating plate, thereby increasing the time that the indoor air and outdoor air stay in the shell, thereby improving the heat exchange effect of the indoor air and outdoor air temperature and reducing the waste of temperature in the air.

[0010] 2. The total heat exchanger and its control method, through the coordinated operation among the elastic filter plate, the arc block, the moving rod, the arc plate, the elastic telescopic rod, the push rod and the collection box, the elastic filter plate will filter the dust in the air to prevent the dust from entering the room or accumulating on the heat conduction plate to affect the heat exchange effect of the air. At the same time, the moving rod pushes the elastic filter plate to deform. When the elastic filter plate is deformed, the dust adhered to the surface can be caused to fall into the collection box to prevent excessive dust accumulation on the surface of the elastic filter plate and thus affect the circulation of the gas.

[0011] 3. The total heat exchanger and its control method, through the coordinated operation among the fixed plate, the filter disc, the rotating rod, the transmission disc, the elastic telescopic column and the protrusion, when the outdoor air is about to pass through the ventilation pipe in the left rear direction, the desiccant in the filter disc will absorb the moisture in the outdoor air, which can reduce the entry of external moisture in some humid areas and ensure the dryness of the room. At the same time, when the filter disc rotates, the desiccant inside it will be turned over, thereby increasing the contact area between the desiccant and the moisture in the air, improving the drying effect and drying efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 A half-section diagram of the box structure of the present invention; Figure 3 This is a schematic diagram of the structure of the rotating plate of the present invention; Figure 4 This is a schematic diagram of the baffle structure of the present invention; Figure 5 A half-section diagram of the elastic filter plate structure of the present invention; Figure 6 For the present invention Figure 5 The enlarged schematic diagram of part A in the middle; Figure 7 This is a schematic diagram of the structure of the elastic telescopic column of the present invention; Figure 8 This is a system diagram of the control module of the present invention.

[0013] In the figure: 1. box body; 2. ventilation pipe; 3. internal temperature measurement module; 4. external temperature measurement module; 5. partition; 6. retention module; 61. shell; 62. heat conduction plate; 63. guide block; 64. dual-axis motor; 65. transmission rod; 66. rotating plate; 67. baffle; 68. fixed rod; 69. steel wire; 610. limit plate; 7. filtering device; 71. elastic filter plate; 72. arc block; 73. moving rod; 74. arc plate; 75. elastic telescopic rod; 76. push rod; 77. collecting box; 8. moisture-proof device; 81. fixed plate; 82. filter plate; 83. rotating rod; 84. transmission plate; 85. elastic telescopic column; 86. bump; 9. fan. DETAILED DESCRIPTION

[0014] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0015] See also Figure 1-Figure 8An embodiment of the present invention is: a total heat exchanger, comprising a box body 1, two ventilation pipes 2 are fixedly connected to the two sides of the box body 1, an internal temperature measurement module 3 and an external temperature measurement module 4 are fixedly connected to the left and right sides of the box body 1, a partition 5 is fixedly connected to the inner wall of the box body 1, and a fan 9 is installed on the inner wall of the box body 1; a retention module 6 is arranged on the side of the partition 5 away from the box body 1, a filtering device 7 for filtering dust in the air and collecting it in a centralized manner is arranged on the surface of the partition 5, and a moisture-proof device 8 for absorbing moisture in the air is arranged on the inner wall of the box body 1; the retention module 6 includes a driving module, a shell 61, a heat conducting plate 62, The guide block 63, the transmission rod 65, the rotating plate 66, the baffle 67, the fixed rod 68, the steel wire 69 and the limit plate 610, the driving module is a dual-axis motor 64, the shell 61 is fixedly connected to the side of the partition 5 away from the box body 1, the heat conducting plate 62 is fixedly connected to the inner wall of the shell 61, the guide block 63 is fixedly connected to the inner wall of the shell 61, the dual-axis motor 64 is fixedly connected to the inner wall of the heat conducting plate 62, the fixed rod 68 is fixedly connected to the two output ends of the dual-axis motor 64, the transmission rod 65 is sleeved on the surface of the fixed rod 68, the rotating plate 66 is fixedly connected to the surface of the transmission rod 65, and the baffle 67 is rotatably connected to the rotating plate 66 by a torsion spring. The inner wall of the rotating plate 66, the steel wire 69 is fixedly connected to the surface of the baffle plate 67, the limit plate 610 is fixedly connected to the surface of the steel wire 69, the left rear fan 9 is started and the outdoor air is sucked into the box body 1 from the ventilation pipe 2 in the right front direction and discharged into the room from the ventilation pipe 2 in the left rear direction, while the right rear fan 9 will suck the indoor air from the ventilation pipe 2 in the left front direction into the box body 1 and discharge it from the ventilation pipe 2 in the right rear direction, thereby realizing the heat exchange between indoor and outdoor air; the end of the steel wire 69 away from the baffle plate 67 is fixedly connected to the surface of the fixing rod 68, the surface of the steel wire 69 contacts the inner wall of the transmission rod 65, and the rotating plate 66 is rotated. 6 The side away from the transmission rod 65 is in contact with the arc surface of the guide block 63, and the internal temperature measuring module 3 and the external temperature measuring module 4 are both temperature sensors; the inner wall of the rotating plate 66 is in contact with the surface of the dual-axis motor 64, the bottom of the baffle 67 is in contact with the top of the heat conducting plate 62, the bottom of the rotating plate 66 is in contact with the top of the heat conducting plate 62, and the bottom end of the transmission rod 65 is in contact with the top of the dual-axis motor 64. The slowly rotating rotating plate 66 will increase the time that the indoor air and the outdoor air stay in the shell 61, thereby improving the heat exchange effect of the indoor air and the outdoor air temperature and reducing the waste of temperature in the air.

[0016] Working principle: When the device is in use, the left rear fan 9 starts and draws outdoor air into the box body 1 from the ventilation duct 2 in the right front direction and discharges it into the room from the ventilation duct 2 in the left rear direction, while the right rear fan 9 draws indoor air into the box body 1 from the ventilation duct 2 in the left front direction and discharges it from the ventilation duct 2 in the right rear direction, thereby realizing heat exchange between indoor and outdoor air. At the same time, the temperature sensors in the internal temperature measurement module 3 and the external temperature measurement module 4 will detect the indoor and outdoor temperatures respectively. When the indoor temperature is greater than or less than the outdoor temperature, the driving module in the retention module 6 is started, and the dual-axis motor 64 in the driving module is started and drives the fixed rod 68 to rotate. The fixed rod 68 drives the steel wire 69 to wrap around its own surface. At this time, the moving and wrapped steel wire 69 pulls the baffle 67 to rotate and close. At the same time, the limit plate 610 will contact the surface of the transmission rod 65, so that the steel wire 69 cannot continue to wrap around the surface of the fixed rod 68, so the subsequent fixation The rotation of rod 68 will drive the transmission rod 65 to rotate, and the transmission rod 65 will drive the rotating plate 66 to rotate slowly, and the indoor air will enter under the heat conducting plate 62, and the outdoor air will enter above the heat conducting plate 62, and the indoor air and the outdoor air will exchange temperature through the heat conducting plate 62, and the slowly rotating rotating plate 66 will increase the time that the indoor air and the outdoor air stay in the shell 61, thereby improving the heat exchange effect of the indoor air and the outdoor air temperature and reducing the temperature waste in the air. When the indoor temperature is equal to the outdoor temperature, the dual-axis motor 64 in the drive module stops operating. At this time, the torsion spring between the baffle 67 and the rotating plate 66 will drive the baffle 67 to reset and open. At this time, the rotating plate 66 stops rotating and opens a channel between itself and the baffle 67, so that the outdoor and indoor air do not need to stay in the shell 61 for a long time for heat exchange. Therefore, when the indoor temperature is equal to the outdoor temperature, the exchange speed of the indoor and outdoor air can be improved.

[0017] See also Figure 1-Figure 8On the basis of the above embodiment, in another embodiment of the present invention, the filter device 7 includes an elastic filter plate 71, an arc block 72, a movable rod 73 and an arc plate 74. The elastic filter plate 71 is fixedly connected to the surface of the partition plate 5, one end of the movable rod 73 is fixedly connected to the side of the elastic filter plate 71 close to the shell 61, the arc plate 74 is fixedly connected to the other end of the movable rod 73, and the arc block 72 is fixedly connected to the surface of the rotating plate 66. The elastic filter plate 71 will filter the dust in the air to prevent the dust from entering the room or accumulating on the heat conducting plate 62 to affect the heat exchange effect of the air; the filter device 7 also includes an elastic telescopic rod 75, a push rod 76 and a collection box 77. The elastic telescopic rod 75 is rotatably connected to both sides of the movable rod 73 through a torsion spring, and the push rod 76 is fixed The collecting box 77 is connected to the end of the elastic telescopic rod 75 away from the moving rod 73, and the collecting box 77 is installed at the bottom of the box body 1. The moving rod 73 pushes the elastic filter plate 71 to deform. When the elastic filter plate 71 is deformed, the dust adhered to the surface can be caused to fall into the collecting box 77, thereby preventing excessive dust accumulation on the surface of the elastic filter plate 71 and affecting the circulation of gas; the surface of the push rod 76 is in contact with the side of the elastic filter plate 71 close to the shell 61, the surface of the moving rod 73 is slidably connected with the inner wall of the shell 61, the arc surface of the arc plate 74 is in contact with the arc surface of the arc block 72 after movement, the top and bottom of the elastic filter plate 71 are in contact with the inner wall of the box body 1, and the push rod 76 can further push down the dust on the surface of the elastic filter plate 71, thereby improving the cleaning effect of the dust on the surface of the elastic filter plate 71.

[0018] The moisture-proof device 8 includes a fixed plate 81, a filter disc 82, a rotating rod 83, a transmission disc 84, an elastic telescopic column 85 and a protrusion 86. The fixed plate 81 is fixedly connected to the inner wall of the box body 1, the filter disc 82 is rotatably connected to the inner wall of the fixed plate 81, the rotating rod 83 is fixedly connected to the axis of the filter disc 82, the transmission disc 84 is fixedly connected to the end of the rotating rod 83 away from the filter disc 82, the elastic telescopic column 85 is fixedly connected to the inner wall of the box body 1, and the protrusion 86 is fixedly connected to the end of the elastic telescopic column 85 away from the box body 1. The desiccant in the filter disc 82 will move the room The moisture in the outside air can be absorbed, which can reduce the entry of moisture from some humid areas and ensure the dryness of the room; the surface of the telescopic end of the elastic telescopic column 85 is in contact with the surface of the transmission disk 84, and a desiccant is arranged inside the filter disk 82. The side of the fixed plate 81 away from the box body 1 is fixedly connected to the surface of the partition 5, and the arc surface of the protrusion 86 is in contact with the arc surface of the movable arc block 72. When the filter disk 82 rotates, the desiccant inside it will be turned over, thereby increasing the contact area between the desiccant and the moisture in the air, thereby improving the drying effect and drying efficiency.

[0019] Working principle: when indoor and outdoor air enter the box body 1, it will pass through the elastic filter plate 71, and the elastic filter plate 71 will filter the dust in the air to prevent the dust from entering the room or accumulating on the heat conducting plate 62 and affecting the heat exchange effect of the air. At the same time, when the rotating plate 66 rotates, the arc block 72 will drive the rotation. After the arc block 72 rotates, it will push the arc plate 74 to move through the arc surface, and the arc plate 74 drives the moving rod 73 to move. The moving rod 73 pushes the elastic filter plate 71 to deform. When the elastic filter plate 71 is deformed, the dust adhered to the surface can be caused to fall into the collection box 77 to prevent excessive dust accumulation on the surface of the elastic filter plate 71 and thus affect the circulation of gas. When the moving rod 73 moves, it will drive the elastic telescopic rod 75 to rotate. The elastic telescopic rod 75 drives the push rod 76 to move on the surface of the elastic filter plate 71 and drive the elastic filter plate 71 to deform. The push rod 76 can further push the dust on the surface of the elastic filter plate 71 off, thereby improving the cleaning effect of the dust on the surface of the elastic filter plate 71.

[0020] When outdoor air is about to pass through the ventilation pipe 2 in the left rear direction, the desiccant in the filter disc 82 will absorb the moisture in the outdoor air, which can reduce the entry of external moisture from some humid areas and ensure the dryness of the room. At the same time, the rotating plate 66 drives the arc block 72 to rotate, and the arc block 72 pushes the protrusion 86 to move through the arc surface. The protrusion 86 compresses the elastic telescopic column 85. The telescopic end surface of the elastic telescopic column 85 will move and drive the transmission disc 84 in contact with it to rotate through the friction force. The transmission disc 84 drives the filter disc 82 to rotate through the rotating rod 83. When the filter disc 82 rotates, the desiccant inside it will flip, thereby increasing the contact area between the desiccant and the moisture in the air, thereby improving the drying effect and drying efficiency.

[0021] The present invention provides a total heat exchanger and a control method thereof. There are many methods and ways to implement the technical solution. The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention. All components not specified in this embodiment can be implemented by existing technologies.

Claims

1. A total heat exchanger, comprising a box body (1), characterized in that: Two ventilation pipes (2) are fixedly connected to each other on both sides of the box body (1); an internal temperature measurement module (3) and an external temperature measurement module (4) are fixedly connected to the left and right sides of the box body (1); a partition plate (5) is fixedly connected to the inner wall of the box body (1); and a fan (9) is installed on the inner wall of the box body (1); A retention module (6) is provided on the side of the partition (5) away from the box body (1), a filtering device (7) for filtering dust in the air and collecting it in a centralized manner is provided on the surface of the partition (5), and a moisture-proof device (8) for absorbing moisture in the air is provided on the inner wall of the box body (1); The retention module (6) comprises a driving module, a shell (61), a heat conducting plate (62), a guide block (63), a transmission rod (65), a rotating plate (66), a baffle (67), a fixing rod (68), a steel wire (69) and a limiting plate (610); the driving module is a dual-axis motor (64); the shell (61) is fixedly connected to a side of the partition (5) away from the box body (1); the heat conducting plate (62) is fixedly connected to an inner wall of the shell (61); and the guide block (63) is fixedly connected to an inner wall of the shell (61). The dual-axis motor (64) is fixedly connected to the inner wall of the heat conducting plate (62), the fixed rod (68) is fixedly connected to the two output ends of the dual-axis motor (64), the transmission rod (65) is sleeved on the surface of the fixed rod (68), the rotating plate (66) is fixedly connected to the surface of the transmission rod (65), the baffle (67) is rotatably connected to the inner wall of the rotating plate (66) via a torsion spring, the steel wire (69) is fixedly connected to the surface of the baffle (67), and the limit plate (610) is fixedly connected to the surface of the steel wire (69).

2. A total heat exchanger according to claim 1, characterized in that: One end of the steel wire (69) away from the baffle (67) is fixedly connected to the surface of the fixed rod (68), the surface of the steel wire (69) is in contact with the inner wall of the transmission rod (65), and the side of the rotating plate (66) away from the transmission rod (65) is in contact with the arc surface of the guide block (63), and the internal temperature measurement module (3) and the external temperature measurement module (4) are both temperature sensors.

3. A total heat exchanger according to claim 2, characterized in that: The inner wall of the rotating plate (66) contacts the surface of the dual-axis motor (64), the bottom of the baffle (67) contacts the top of the heat-conducting plate (62), the bottom of the rotating plate (66) contacts the top of the heat-conducting plate (62), the bottom end of the transmission rod (65) contacts the top of the dual-axis motor (64), and the top and bottom of the shell (61) contact the inner wall of the box body (1).

4. A total heat exchanger according to claim 3, characterized in that: The filtering device (7) comprises an elastic filter plate (71), an arc block (72), a movable rod (73) and an arc plate (74); the elastic filter plate (71) is fixedly connected to the surface of the partition plate (5); one end of the movable rod (73) is fixedly connected to a side of the elastic filter plate (71) close to the housing (61); the arc plate (74) is fixedly connected to the other end of the movable rod (73); and the arc block (72) is fixedly connected to the surface of the rotating plate (66).

5. A total heat exchanger according to claim 4, characterized in that: The filtering device (7) further comprises an elastic telescopic rod (75), a push rod (76) and a collection box (77); the elastic telescopic rod (75) is rotatably connected to both sides of the moving rod (73) via a torsion spring; the push rod (76) is fixedly connected to one end of the elastic telescopic rod (75) away from the moving rod (73); and the collection box (77) is mounted at the bottom of the box body (1).

6. A total heat exchanger according to claim 5, characterized in that: The surface of the push rod (76) contacts the side of the elastic filter plate (71) close to the shell (61), the surface of the moving rod (73) is slidably connected to the inner wall of the shell (61), the arc surface of the arc plate (74) contacts the arc surface of the arc block (72) after movement, and the top and bottom of the elastic filter plate (71) contact the inner wall of the box body (1).

7. A total heat exchanger according to claim 6, characterized in that: The moisture-proof device (8) comprises a fixed plate (81), a filter disc (82), a rotating rod (83), a transmission disc (84), an elastic telescopic column (85) and a protrusion (86); the fixed plate (81) is fixedly connected to the inner wall of the box body (1); the filter disc (82) is rotatably connected to the inner wall of the fixed plate (81); the rotating rod (83) is fixedly connected to the axis of the filter disc (82); the transmission disc (84) is fixedly connected to one end of the rotating rod (83) away from the filter disc (82); the elastic telescopic column (85) is fixedly connected to the inner wall of the box body (1); and the protrusion (86) is fixedly connected to one end of the elastic telescopic column (85) away from the box body (1).

8. A total heat exchanger according to claim 7, characterized in that: The surface of the telescopic end of the elastic telescopic column (85) contacts the surface of the transmission disc (84), a desiccant is provided inside the filter disc (82), a side of the fixed plate (81) away from the box body (1) is fixedly connected to the surface of the partition plate (5), and the arc surface of the protrusion (86) contacts the arc surface of the movable arc block (72).

9. A total heat exchanger control method according to claim 8, characterized in that: The following steps are involved: Step 1: When the device is in use, the left rear fan (9) is started and draws outdoor air from the ventilation pipe (2) in the right front direction into the box body (1) and discharges it from the ventilation pipe (2) in the left rear direction into the room, while the right rear fan (9) draws indoor air from the ventilation pipe (2) in the left front direction into the box body (1) and discharges it from the ventilation pipe (2) in the right rear direction, thereby achieving heat exchange between indoor and outdoor air; Step 2: The temperature sensors in the internal temperature measurement module (3) and the external temperature measurement module (4) detect the indoor and outdoor temperatures respectively. When the indoor temperature is greater than or less than the outdoor temperature, the internal temperature measurement module (3) and the external temperature measurement module (4) send an electrical signal to the retention module (6). When the retention module (6) receives the electrical signal, the internal drive module is started, and the dual-axis motor (64) in the drive module is started and drives the fixed rod (68) to rotate. The fixed rod (68) drives the steel wire (69) to wrap around its surface. At this time, the moving and wrapped steel wire (69) pulls the baffle (67) to rotate and close. At the same time, the limiting plate (610) will contact the surface of the transmission rod (65), so that the steel wire (69) cannot continue to be wound around the surface of the fixed rod (68). Therefore, the subsequent rotation of the fixed rod (68) will drive the transmission rod (65) to rotate, and the transmission rod (65) will drive the rotating plate (66) to rotate slowly, and the indoor air will enter the bottom of the heat conducting plate (62), and the outdoor air will enter the top of the heat conducting plate (62). The indoor air and the outdoor air will exchange temperatures through the heat conducting plate (62), and the slowly rotating rotating plate (66) will increase the time that the indoor air and the outdoor air stay in the shell (61); Step 3: When the indoor temperature is equal to the outdoor temperature, the dual-axis motor (64) in the driving module stops operating. At this time, the torsion spring between the baffle (67) and the rotating plate (66) drives the baffle (67) to reset and open. At this time, the rotating plate (66) stops rotating and opens a channel between itself and the baffle (67), so that the outdoor and indoor air do not need to stay in the shell (61) for a long time for heat exchange.

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