Fresh air exhaust heat exchange system of air conditioner for solar energy and air exhaust power generation

The integration of solar and wind power generation with a heat exchange system addresses high energy consumption and waste in traditional air conditioning, providing stable electricity and preventing contamination, enhancing efficiency and environmental friendliness.

CN119109380APending Publication Date: 2024-12-10THE SECOND CONSTR OF CHINA CONSTR EIGHTH ENG DIV
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Patent Information

Application Number
CN202411252193.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-09-09
Publication Date
2024-12-10

AI Technical Summary

Technical Problem

Traditional air conditioning systems for areas with high cleanliness requirements, such as animal rooms and microbial laboratories, face high energy consumption due to the need to handle humidity and temperature loads, and exhaust air is directly discharged, causing energy waste. Existing heat recovery systems increase power consumption and may cause cross-contamination.

Method used

An air conditioning system that integrates a solar photovoltaic assembly, wind turbine generator set, controller, battery, inverter, and heat exchange system to generate electricity from exhaust air, using ethylene glycol antifreeze for winter operation and filters to prevent contamination.

Benefits of technology

Reduces energy consumption and ensures stable electricity generation, while preventing cross-contamination and waste of exhaust air energy, making the system more environmentally friendly and efficient.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the related technical field of fresh air systems, in particular to an air conditioner fresh air and exhaust air heat exchange system with solar energy and exhaust air power generation, which comprises a solar photovoltaic module, a wind generating set, a wind-solar controller, a storage battery, an inverter and an air conditioner exhaust air heat exchange system, the wind generating set comprises a generator and a fan impeller, the generator is fixedly installed on the fixing support, the fan impeller is fixedly installed on a rotating shaft of the generator, and the wind-solar controller is used for adjusting and controlling electric energy generated by the solar photovoltaic assembly and the wind generating set. The solar photovoltaic module is electrically connected with the wind-solar controller through a photovoltaic power transmission line, and the wind generating set is electrically connected with the wind-solar controller through a wind power generation power transmission line; power is generated through the solar photovoltaic module and the wind generating set, so that the energy consumption required by the air conditioner fresh air exhaust heat exchange system is effectively reduced, and compared with a traditional heat exchange device, the scheme is more low-carbon and environment-friendly.
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Description

Technical Field

[0001] The present invention relates to the technical field related to fresh air systems, and in particular to an air conditioning fresh air exhaust heat exchange system that generates electricity using solar energy and exhaust air. Background Art

[0002] Animal rooms, animal laboratories and other areas will produce harmful gases such as ammonia and hydrogen sulfide during the animal breeding process. In order to prevent these gases from returning to the room, a fresh air system is required for the animal production area and the experimental area; negative pressure wards, negative pressure isolation wards and other areas contain lethal or highly contagious pathogens. The current air treatment of return air by air conditioners cannot guarantee 100% blocking or killing of pathogens, so a fresh air DC air conditioning system is required; microbial PCR, level 3, level 4 and other contaminated laboratories may contain infectious, highly contagious, pathogenic or suspected highly pathogenic pathogens or pathogenic microorganisms, microbial aerosols, etc. Such laboratories are required to use a fresh air air conditioning system.

[0003] The above areas have certain requirements for cleanliness, temperature and humidity. Traditional air conditioning systems: Generally, fresh air that meets the indoor ventilation frequency requirements is cooled by the cold coil of the air conditioning unit in summer to reduce the fresh air humidity, and then sent to the room through the reheating section to make the temperature reach the air supply state point, so that the indoor state reaches the design state, and the indoor air is discharged to the outside through the exhaust system; in winter, the fresh air is raised to the indoor supply air temperature by the hot coil of the air conditioning unit, and then humidified to the design humidity content by the humidification system and sent to the room, the indoor state reaches the design state, and the indoor air is discharged to the outside through the exhaust system. The fresh air needs to bear all the heat and humidity loads of itself and the indoor, and the energy consumption is very high.

[0004] Exhaust air is directly discharged into the atmosphere, which causes a certain amount of energy waste. Conventional heat recovery systems, such as heat pipe recovery, require a new exhaust fan unit to be integrated, and the wind-wind system heat exchange may cause cross contamination. Other heat recovery systems also need to increase power consumption. Traditional wind and solar power generation usually encounter problems of weak wind and weak sunlight. Therefore, the present invention proposes a solar energy and exhaust power generation air conditioning new exhaust heat exchange system to solve the above problems. Summary of the invention

[0005] The object of the present invention is to provide a new exhaust heat exchange system for air conditioning that uses solar energy and exhaust air to generate electricity, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above object, the present invention provides the following technical solution: an air conditioning new exhaust heat exchange system for solar energy and exhaust power generation, comprising:

[0007] A solar photovoltaic assembly, wherein the solar photovoltaic assembly is fixedly mounted on a fixed bracket;

[0008] A wind turbine generator set, the wind turbine generator set comprising a generator and an impeller, the generator being fixedly mounted on a fixed bracket, and the impeller being fixedly mounted on a rotating shaft of the generator;

[0009] A wind and solar controller, the wind and solar controller is used to adjust and control the electric energy generated by the solar photovoltaic components and the wind turbine generator set, the solar photovoltaic components are electrically connected to the wind and solar controller through a photovoltaic transmission line, and the wind turbine generator set is electrically connected to the wind and solar controller through a wind power transmission line;

[0010] A battery, the battery is electrically connected to the wind and solar controller, and the battery is used to store excess electric energy from wind and solar photovoltaic units when the wind and light are excessive, and to serve as a power supply for the load when the wind and light are poor;

[0011] An inverter, the inverter is electrically connected to the wind and solar controller, and the inverter is used to convert the battery and the generated direct current into alternating current;

[0012] Air conditioning exhaust heat exchange system, all air conditioning exhaust heat exchange systems include an exhaust system, a fresh air system and a heat exchange system, and the heat exchange system is used for heat exchange between the exhaust system and the fresh air system.

[0013] Preferably, the exhaust system is composed of an exhaust heat exchange chamber, an exhaust fan and an exhaust heat exchange coil combination, the exhaust heat exchange chamber is a circular tube channel structure, the exhaust fan and the exhaust heat exchange coil are both installed in the exhaust heat exchange chamber, the air inlet end of the exhaust heat exchange chamber is connected with the indoor room of the building through a primary air duct, and the other end of the exhaust heat exchange chamber is connected with the outdoor room of the building through a secondary air duct, and the secondary air duct is arranged in an L shape, and the port of the secondary air duct is arranged vertically upward, and the port of the secondary air duct is connected to an exhaust outlet hood, and the impeller is arranged directly opposite to the outlet port of the exhaust outlet hood.

[0014] Preferably, the fresh air system is composed of a fresh air heat exchange chamber, a fresh air fan, a fresh air preheating exchange coil, a surface cooler, a fresh air secondary heat exchange coil, a heating coil and a humidifier. The fresh air system is connected to the outside of the building through a three-level air duct at the air inlet end of the fresh air heat exchange chamber, and the fresh air system is connected to the interior of the building through a four-level air duct at the air outlet end of the fresh air heat exchange chamber.

[0015] Preferably, the fresh air preheating exchange coil and the fresh air secondary heat exchange coil are connected to the exhaust air heat exchange coil through a heat exchange system, and the fresh air preheating exchange coil and the fresh air secondary heat exchange coil are connected in parallel. The heat exchange system uses a water system as a medium, and ethylene glycol antifreeze is configured in the water system to ensure winter operation.

[0016] Preferably, the circulation pump in the heat exchange system is electrically connected to the inverter through a power transmission wire, and the three-way connector on the heat exchange system has a water inlet, and the end of the water inlet is connected to a constant pressure water replenishment device.

[0017] Preferably, the fresh air system is provided with a temperature detection module and a humidity detection module in the fresh air heat exchange chamber, and the heating coil, humidifier, temperature detection module and humidity detection module are all electrically connected to the PLC control module in the air conditioning fresh and exhaust air heat exchange system.

[0018] Preferably, the air inlet end of the exhaust heat exchange chamber is provided with a primary filter structure, and the air inlet port of the fresh air heat exchange chamber is provided with a secondary filter structure, the primary filter structure and the secondary filter structure are both composed of a mounting plate and a filter element, the mounting plate is fixed on the inner cavity side wall of the exhaust heat exchange chamber, and a socket is opened on the mounting plate, the filter element is installed in the socket, and the structure of the secondary filter structure is the same as that of the primary filter structure.

[0019] Preferably, the filter element is composed of a combination of a filter ball and a plug-in tube, the filter ball and the plug-in tube are integrally formed, the plug-in tube is plugged into the socket, the filter ball and the plug-in tube are integrally formed, and filter holes are evenly opened on the filter ball, and the gas enters the filter ball through the filtering effect of the filter holes and flows out of the plug-in tube.

[0020] Preferably, a limit baffle is integrally formed on the side wall of the plug-in tube, and a rubber strip groove is opened on the side wall of the plug-in tube. An anti-slip rubber strip is fixedly installed in the plug-in tube. When the filter is actually installed, the anti-slip rubber strip is arranged to abut against the side wall of the socket.

[0021] Preferably, the central cross-section of the filter hole is an isosceles trapezoid, and the diameter of the outer end of the filter hole is smaller than the diameter of the inner end of the filter hole.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] 1. By setting up an air conditioning exhaust heat exchange system composed of a solar photovoltaic module, a wind turbine generator set, a wind and solar controller, a battery, an inverter and an air conditioning exhaust heat exchange system, the energy consumption of the air conditioning exhaust heat exchange system is effectively reduced by generating electricity through the solar photovoltaic module and the wind turbine generator set. Compared with the traditional heat exchange device, this solution is more low-carbon and environmentally friendly;

[0024] 2. Use the exhaust system to generate electricity. During the operation of the air-conditioning system, the exhaust system is always kept in working condition, ensuring the stability of the wind force at the exhaust system outlet, thus solving the problem that the natural wind force in the wind power generation system is limited by environmental factors. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the structure of the present invention;

[0026] Figure 2 This is a schematic diagram of the primary filtering structure of the present invention;

[0027] Figure 3 for Figure 2 A schematic diagram of the structure enlargement in the middle;

[0028] Figure 4 A half-section view of the filter element of the present invention;

[0029] Figure 5 for Figure 4 Enlarged schematic diagram of the structure at point B in the middle.

[0030] In the figure: solar photovoltaic component 1, generator 2, fan impeller 3, wind and solar controller 4, battery 5, inverter 6, fixed bracket 7, photovoltaic transmission line 8, wind power transmission line 9, transmission wire 10, exhaust heat exchange chamber 11, exhaust fan 12, exhaust heat exchange coil 13, exhaust air outlet hood 14, primary air duct 15, secondary air duct 16, fresh air heat exchange chamber 17, fresh air fan 18, tertiary air duct 19, quaternary air duct 20, fresh air preheating exchange coil 21, surface cooler 22, fresh air secondary heat exchange coil 23, heating coil 24, humidifier 25, heat exchange system 26, circulating pump 27, water inlet 32, constant pressure water replenishment device 33, primary filter structure 42, secondary filter structure 43, mounting plate 44, filter element 45, jack 46, filter ball 47, plug-in tube 48, filter hole 49, limit baffle 50, anti-slip rubber strip 51. DETAILED DESCRIPTION

[0031] 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.

[0032] See also Figure 1-5 The present invention provides the following three preferred embodiments:

[0033] Embodiment 1

[0034] A new air conditioning exhaust heat exchange system for solar energy and exhaust power generation, comprising a solar photovoltaic component 1, a wind generator set, a wind and solar controller 4, a battery 5, an inverter 6 and an air conditioning exhaust heat exchange system, wherein the solar photovoltaic component 1 is fixedly mounted on a fixed bracket 7, the wind generator set comprises a generator 2 and a fan impeller 3, the generator 2 is fixedly mounted on the fixed bracket 7, the fan impeller 3 is fixedly mounted on the rotating shaft of the generator 2, the wind and solar controller 4 is used to regulate and control the electric energy generated by the solar photovoltaic component 1 and the wind generator set, the solar photovoltaic component 1 is electrically connected to the wind and solar controller 4 through a photovoltaic transmission line 8, the wind generator set is electrically connected to the wind and solar controller 4 through a wind power transmission line 9, the battery 5 is electrically connected to the wind and solar controller 4, and the battery 5 is used to , storing excess electric energy from wind and solar photovoltaic units, and serving as a power supply for the load when the wind speed and light are poor. The inverter 6 is electrically connected to the wind and solar controller 4, and the inverter 6 is used to convert the battery 5 and the generated DC power into AC power. All air-conditioning exhaust heat exchange systems include an exhaust system, a fresh air system and a heat exchange system 26. The heat exchange system 26 is used for heat exchange between the exhaust system and the fresh air system. An air-conditioning fresh exhaust heat exchange system composed of a solar photovoltaic component 1, a wind turbine, a wind and solar controller 4, a battery 5, an inverter 6 and an air-conditioning exhaust heat exchange system is provided, thereby generating electricity through the solar photovoltaic component 1 and the wind turbine, thereby effectively reducing the energy consumption required by the air-conditioning fresh exhaust heat exchange system. Compared with traditional heat exchange devices, this solution is more low-carbon and environmentally friendly.

[0035] Embodiment 2

[0036] On the basis of Example 1, the exhaust system is composed of an exhaust heat exchange chamber 11, an exhaust fan 12 and an exhaust heat exchange coil 13. The exhaust heat exchange chamber 11 is a circular tube channel structure. The exhaust fan 12 and the exhaust heat exchange coil 13 are both installed in the exhaust heat exchange chamber 11. The air inlet end of the exhaust heat exchange chamber 11 is connected to the interior of the building through the primary air duct 15, and the other end of the exhaust heat exchange chamber 11 is connected to the outside of the building through the secondary air duct 16. The secondary air duct 16 is arranged in an L shape, and the port of the secondary air duct 16 is arranged vertically upward. The port of the secondary air duct 16 is connected to an exhaust outlet hood 14, and the impeller 3 is arranged opposite to the outlet port of the exhaust outlet hood 14. The exhaust system is used to generate electricity. During the operation of the air-conditioning system, the exhaust system is always guaranteed to be in working condition, thereby ensuring the stability of the wind force at the outlet of the exhaust system, thereby solving the problem that the natural wind force in the wind power generation system is limited by environmental factors.

[0037] The fresh air system is composed of a fresh air heat exchange chamber 17, a fresh air fan 18, a fresh air preheating exchange coil 21, a surface cooler 22, a fresh air secondary heat exchange coil 23, a heating coil 24 and a humidifier 25. The fresh air system is connected to the outside of the building through the third-level air duct 19 at the air inlet end of the fresh air heat exchange chamber 17, and is connected to the interior of the building through the fourth-level air duct 20 at the air outlet end of the fresh air heat exchange chamber 17.

[0038] The fresh air preheating exchange coil 21 and the fresh air secondary heat exchange coil 23 are connected to the exhaust air heat exchange coil 13 through the heat exchange system 26, and the fresh air preheating exchange coil 21 and the fresh air secondary heat exchange coil 23 are connected in parallel. The heat exchange system 26 uses a water system as a medium, and ethylene glycol antifreeze is configured in the water system to ensure winter operation.

[0039] The circulation pump 27 in the heat exchange system 26 is electrically connected to the inverter 6 through the power transmission line 10, and the three-way connector on the heat exchange system 26 has a water inlet 32, and the end of the water inlet 32 ​​is connected to a constant pressure water replenishment device 33.

[0040] The fresh air system is provided with a temperature detection module and a humidity detection module in the fresh air heat exchange chamber 17, and the heating coil 24, the humidifier 25, the temperature detection module, and the humidity detection module are all electrically connected to the PLC control module in the air conditioning fresh and exhaust air heat exchange system.

[0041] Embodiment 3

[0042] On the basis of the second embodiment, a primary filter structure 42 is provided at the air inlet end of the exhaust heat exchange chamber 11, and a secondary filter structure 43 is provided at the air inlet port of the fresh air heat exchange chamber 17. The primary filter structure 42 and the secondary filter structure 43 are both composed of a mounting plate 44 and a filter element 45. The mounting plate 44 is fixed on the inner cavity side wall of the exhaust heat exchange chamber 11, and a socket 46 is provided on the mounting plate 44. The filter element 45 is installed in the socket 46. The structure of the secondary filter structure 43 is the same as that of the primary filter structure 42. By setting the primary filter structure 42 and the secondary filter structure 43, dust-containing air can be reduced from entering the exhaust heat exchange chamber 11 and the fresh air heat exchange chamber 17, thereby avoiding dust from adhering to the fresh air preheating exchange coil 21, the fresh air secondary heat exchange coil 23, and the exhaust heat exchange coil 13, thereby affecting the heat exchange efficiency of their structures.

[0043] The filter element 45 is composed of a filter ball 47 and a plug-in tube 48. The filter ball 47 and the plug-in tube 48 are integrally formed. The plug-in tube 48 is plugged into the socket 46. The filter ball 47 and the plug-in tube 48 are integrally formed, and filter holes 49 are evenly opened on the filter ball 47. The gas enters the filter ball 47 through the filtering effect of the filter holes 49 and flows out of the plug-in tube 48. By setting the filter element 45 composed of the filter ball 47 and the plug-in tube 48, the filtering area is effectively increased, thereby improving the filtering efficiency.

[0044] A limit baffle 50 is integrally formed on the side wall of the plug-in tube 48, and a rubber strip groove is opened on the side wall of the plug-in tube 48. An anti-slip rubber strip 51 is fixedly installed in the plug-in tube 48. When the filter element 45 is actually installed, the anti-slip rubber strip 51 is arranged to abut against the side wall of the socket 46, which facilitates the plug-in installation of the filter element 45 and ensures the installation stability of the filter element 45.

[0045] The central cross-section of the filter hole 49 is an isosceles trapezoid, and the outer end diameter of the filter hole 49 is smaller than the inner end diameter of the filter hole 49. The setting of the filter hole 49 being small on the outside and large on the inside can effectively prevent dust from clogging the filter hole 49.

[0046] Although the above describes the illustrative specific implementation methods of the present application so that technicians in this technical field can understand the present application, the present application is not limited to the scope of the specific implementation methods. For ordinary technicians in this technical field, as long as various changes are within the spirit and scope of the present application defined and determined by the attached claims, all application creations using the concept of the present application are protected.

Claims

1. A solar energy and exhaust air power generation air conditioning new exhaust air heat exchange system, characterized by: include: A solar photovoltaic assembly (1), wherein the solar photovoltaic assembly (1) is fixedly mounted on a fixed bracket (7); A wind power generator set, the wind power generator set comprising a generator (2) and an impeller (3), the generator (2) being fixedly mounted on a fixed bracket (7), and the impeller (3) being fixedly mounted on a rotating shaft of the generator (2); A wind and solar controller (4), the wind and solar controller (4) being used to regulate and control the electric energy generated by the solar photovoltaic assembly (1) and the wind turbine generator set, the solar photovoltaic assembly (1) being electrically connected to the wind and solar controller (4) via a photovoltaic power transmission line (8), and the wind turbine generator set being electrically connected to the wind and solar controller (4) via a wind power generation power transmission line (9); A storage battery (5), the storage battery (5) being electrically connected to the wind and solar controller (4), and the storage battery (5) being used to store excess electric energy from wind power and the solar photovoltaic unit when the wind power and light intensity are excessive, and to serve as a power supply for the load when the wind power and light intensity are poor; An inverter (6), the inverter (6) being electrically connected to the wind and solar controller (4), and the inverter (6) being used to convert the battery (5) and the generated direct current into alternating current; Air conditioning exhaust heat exchange system, all air conditioning exhaust heat exchange systems include an exhaust system, a fresh air system and a heat exchange system (26), wherein the heat exchange system (26) is used for heat exchange between the exhaust system and the fresh air system.

2. The air conditioning fresh exhaust heat exchange system for solar energy and exhaust power generation according to claim 1 is characterized by: The exhaust system is composed of an exhaust heat exchange chamber (11), an exhaust fan (12) and an exhaust heat exchange coil (13). The exhaust heat exchange chamber (11) is a circular tube channel structure. The exhaust fan (12) and the exhaust heat exchange coil (13) are both installed in the exhaust heat exchange chamber (11). The air inlet end of the exhaust heat exchange chamber (11) is connected to the interior of the building through a primary air duct (15). The other end of the exhaust heat exchange chamber (11) is connected to the exterior of the building through a secondary air duct (16). The secondary air duct (16) is arranged in an L shape, and the port of the secondary air duct (16) is arranged vertically upward. The port of the secondary air duct (16) is connected to an exhaust air outlet hood (14). The impeller (3) is arranged opposite to the air outlet port of the exhaust air outlet hood (14).

3. The air conditioning fresh exhaust heat exchange system for solar energy and exhaust power generation according to claim 2 is characterized by: The fresh air system is composed of a fresh air heat exchange chamber (17), a fresh air fan (18), a fresh air preheating exchange coil (21), a surface cooler (22), a fresh air secondary heat exchange coil (23), a heating coil (24) and a humidifier (25). The fresh air system is connected to the outside of the building through the third-level air duct (19) at the air inlet end of the fresh air heat exchange chamber (17), and connected to the inside of the building through the fourth-level air duct (20) at the air outlet end of the fresh air heat exchange chamber (17).

4. The air conditioning fresh exhaust heat exchange system for solar energy and exhaust air power generation according to claim 3 is characterized by: The fresh air preheating exchange coil (21) and the fresh air secondary heat exchange coil (23) are both connected to the exhaust air heat exchange coil (13) via a heat exchange system (26), and the fresh air preheating exchange coil (21) and the fresh air secondary heat exchange coil (23) are connected in parallel. The heat exchange system (26) uses a water system as a medium, and ethylene glycol antifreeze is configured in the water system to ensure winter operation.

5. The air conditioning fresh exhaust heat exchange system for solar energy and exhaust power generation according to claim 4 is characterized by: The circulation pump (27) in the heat exchange system (26) is electrically connected to the inverter (6) via a power transmission line (10), and a three-way connector on the heat exchange system (26) is provided with a water inlet (32), and the end of the water inlet (32) is connected to a constant pressure water replenishment device (33).

6. The air conditioning fresh exhaust heat exchange system for solar energy and exhaust air power generation according to claim 5, characterized in that: The fresh air system comprises a temperature detection module and a humidity detection module arranged in the fresh air heat exchange chamber (17), and the heating coil (24), the humidifier (25), the temperature detection module and the humidity detection module are all electrically connected to the PLC control module in the air conditioning fresh and exhaust air heat exchange system.

7. The air conditioning fresh exhaust heat exchange system for solar energy and exhaust power generation according to claim 6 is characterized by: The air inlet end of the exhaust heat exchange chamber (11) is provided with a primary filter structure (42), and the air inlet port of the fresh air heat exchange chamber (17) is provided with a secondary filter structure (43). The primary filter structure (42) and the secondary filter structure (43) are both composed of a mounting plate (44) and a filter element (45). The mounting plate (44) is fixed on the inner cavity side wall of the exhaust heat exchange chamber (11), and a plug hole (46) is provided on the mounting plate (44). The filter element (45) is installed in the plug hole (46). The structure of the secondary filter structure (43) is the same as that of the primary filter structure (42).

8. The air conditioning fresh exhaust heat exchange system for solar energy and exhaust power generation according to claim 7 is characterized by: The filter element (45) is composed of a filter ball (47) and a plug-in tube (48). The filter ball (47) and the plug-in tube (48) are integrally formed. The plug-in tube (48) is plugged into the plug hole (46). The filter ball (47) and the plug-in tube (48) are integrally formed. Filter holes (49) are evenly formed on the filter ball (47). Gas enters the filter ball (47) through the filtering effect of the filter holes (49) and flows out from the plug-in tube (48).

9. The air conditioning fresh exhaust heat exchange system for solar energy and exhaust air power generation according to claim 8, characterized in that: A limit baffle (50) is integrally formed on the side wall of the plug-in tube (48), and a rubber strip groove is provided on the side wall of the plug-in tube (48). An anti-slip rubber strip (51) is fixedly installed in the plug-in tube (48). When the filter element (45) is actually installed, the anti-slip rubber strip (51) is arranged to abut against the side wall of the plug hole (46).

10. The air conditioning fresh exhaust heat exchange system for solar energy and exhaust air power generation according to claim 8, characterized in that: The central cross-section of the filter hole (49) is in the shape of an isosceles trapezoid, and the diameter of the outer end of the filter hole (49) is smaller than the diameter of the inner end of the filter hole (49).