Ventilation and heat dissipation structure and energy-saving air conditioner

Abstract

This invention discloses a ventilation and heat dissipation structure and an energy-saving air conditioner, relating to the field of energy-saving air conditioning technology. It includes a heat exchange box, a flow divider, a temperature sensor, and a ventilation and heat dissipation mechanism. The ventilation and heat dissipation mechanism includes a plate-fin heat exchanger sealed and fixedly connected to the inner wall of the heat exchange box. The plate-fin heat exchanger divides the interior of the heat exchange box into two chambers: chamber one and chamber two. Chamber one is connected to the indoor environment via an air inlet pipe. An air inlet pipe is fixedly connected to the inner wall of chamber two, with its other end connected to the outdoor environment. A centrifugal fan is fixedly connected to the inner wall of air inlet pipe one, and an axial fan is fixedly connected to the inner wall of air inlet pipe two. An air supply pipe is fixedly connected to the inner wall of chamber one, and an exhaust pipe is fixedly connected to the inner wall of chamber two, with its other end connected to the outdoor environment. This invention can automatically switch heat dissipation modes according to the outdoor ambient temperature, effectively reducing the energy consumption of the entire air conditioning system and achieving energy-saving effects.

Description

Technical Field

[0001] This invention relates to the field of energy-saving air conditioning technology, and in particular to a ventilation and heat dissipation structure and an energy-saving air conditioner. Background Technology

[0002] Reducing building energy consumption has become an important issue, with air conditioning systems accounting for a particularly significant portion of energy consumption.

[0003] Chinese invention patent CN115773541B discloses an air conditioner cooling fan, comprising a housing with an air inlet and an air outlet; an air inlet sealing mechanism including multiple parallel rotating blades rotatably connected to the air inlet of the housing to block the air inlet; and an air outlet sealing mechanism including a rotating plate and multiple rotating plates arranged in a circular array, each rotating plate having a vent communicating with the air outlet, the rotating plate being rotatably connected to the housing around the axis of the vent, one end of the rotating plate being rotatably connected to the housing, and the other end being rotatably connected to a movable... A movable block is slidably connected to the rotating plate. The sliding direction of the movable block on the rotating plate is offset from the center of the vent. The rotating plate is provided with concave and convex surfaces. When the movable block moves closer to the center of the vent, multiple rotating plates move closer together until the concave and convex surfaces of adjacent rotating plates fit together to block the air outlet or vent. By driving the drive component, the lifting transmission component moves, which in turn drives the rotating blades to rotate, thereby opening the air inlet. The lifting transmission component also drives the air outlet sealing mechanism to move, thereby opening the air outlet as well. This allows the cooling fan to operate normally.

[0004] Based on the aforementioned existing technologies, it has been found that most household and commercial air conditioners currently use mechanical compression refrigeration cycles, with air cooling as their core heat dissipation method. This involves using an outdoor fan to drive ambient air to directly blow on the condenser fins for heat dissipation. This heat dissipation method has significant drawbacks: First, during transitional seasons or at night, when the outdoor temperature is lower than the indoor set temperature, the air conditioner still needs to start the high-energy-consuming compressor for cooling, failing to directly utilize the free outdoor cold source, resulting in energy waste. Second, during the high-temperature period in summer, the condenser's heat dissipation efficiency is limited by the high-temperature ambient air, and the high-temperature exhaust gas it discharges is easily re-inhaled through the air inlet, forming a thermal short circuit. This causes the condensing temperature and pressure to rise, the compressor load to increase dramatically, the energy efficiency ratio to drop significantly, and may even trigger high-pressure protection shutdown, affecting system reliability and cooling capacity. Summary of the Invention

[0005] To address the problems existing in the prior art, the present invention adopts the following technical solution: A ventilation and heat dissipation structure and an energy-saving air conditioner include a heat exchange box, a flow divider, a temperature sensor, and a ventilation and heat dissipation mechanism. The ventilation and heat dissipation mechanism includes a plate-fin heat exchanger sealed and fixedly connected to the inner wall of the heat exchange box. The plate-fin heat exchanger divides the interior of the heat exchange box into a first cavity and a second cavity. The first cavity is connected to the indoor environment via an air inlet pipe. An air inlet pipe is fixedly connected to the inner wall of the second cavity, with its other end connected to the outdoor environment. A centrifugal fan is fixedly connected to the inner wall of the first air inlet pipe, and a centrifugal fan is fixedly connected to the inner wall of the second air inlet pipe. An axial flow fan is fixedly connected to the cavity. An air supply pipe is fixedly connected to the inner wall of the cavity one, and an exhaust pipe is fixedly connected to the inner wall of the cavity two. The other end of the exhaust pipe is connected to the outside. An air inlet chamber is opened in the flow divider plate. Multiple flow divider holes are opened in the inner wall of the air inlet chamber. A mixing air duct is fixedly connected to the side wall of the flow divider plate. One end of the mixing air duct is connected to the air inlet chamber. A heat-collecting pipe is fixedly connected to one side wall of the air inlet pipe. The cavity is connected to the mixing air duct through an exhaust pipe. The second air inlet pipe is connected to the mixing air duct through a flow divider pipe.

[0006] Preferably, the ventilation and heat dissipation mechanism further includes a solenoid valve one installed on the inner wall of the air supply pipe, a solenoid valve two installed on the inner wall of the exhaust pipe, a solenoid valve three installed on the inner wall of the air inlet pipe, and a solenoid valve four installed on the inner wall of the heat collection pipe.

[0007] Preferably, the centrifugal fan, axial fan, temperature sensor, solenoid valve one, solenoid valve two, solenoid valve three, and solenoid valve four are connected by a PLC control circuit.

[0008] Preferably, a rotating shaft is rotatably connected to the inner wall of the diverter, and a valve plate is fixedly connected to the side wall of the rotating shaft. The side wall of the valve plate is sealed and slides against the inner wall of the diverter. A micro servo motor is fixedly connected to the upper end of the diverter. The output end of the micro servo motor passes through the side wall of the diverter and is fixedly connected to the rotating shaft. The temperature sensor is connected to the micro servo motor through a PLC control circuit.

[0009] Preferably, a collection cover is fixedly connected to the other end of the heat-collecting tube, and the collection cover is funnel-shaped.

[0010] An energy-saving air conditioner includes an outdoor unit, an indoor unit, and a protective sleeve. A condenser and a compressor are fixedly connected to the bottom of the outdoor unit. The compressor is connected to a temperature sensor via a PLC control circuit. A main fan is fixedly connected to the inner wall of the outdoor unit.

[0011] Preferably, the compressor and the condenser are connected by an inlet pipe, and an outlet pipe is fixedly connected to the side wall of the condenser, with the other end of the outlet pipe fixedly connected to the indoor unit.

[0012] Preferably, one end of the air supply duct is connected to the indoor unit, and a blower is installed on the inner wall of the air supply duct.

[0013] Preferably, the protective sleeve is provided to cover the side wall of the air supply pipe and the drain pipe.

[0014] Preferably, the heat exchange box and the diverter plate are both fixedly connected to the bottom of the outdoor unit, and the temperature sensor is fixedly connected to the side wall of the outdoor unit.

[0015] The present invention has the following beneficial effects: 1. By setting up a ventilation and heat dissipation mechanism, the heat dissipation mode can be automatically switched according to the outdoor ambient temperature. When the temperature is low, the compressor is turned off, and only the centrifugal fan and axial fan are used to drive the indoor cooling. When the outdoor temperature is moderate, high-temperature exhaust gas pre-cooling and outdoor air are mixed for heat dissipation, forming an enhanced cooling airflow with a temperature lower than that of traditional hot short-circuit intake air. This airflow can effectively reduce the condenser operating temperature and pressure, thereby reducing the compressor pressure ratio and power consumption, and achieving energy saving. When the temperature is high, it switches to the traditional air conditioning mode, the compressor runs at full power for cooling, and the main fan draws in outside air for condenser heat dissipation. By automatically switching the ventilation and heat dissipation mode according to different outdoor ambient temperatures, the energy consumption of the entire air conditioning system can be effectively reduced, achieving energy saving effect. 2. By setting up a rotating shaft, valve plate, and micro servo motor, in the ventilation and heat dissipation mode when the temperature is moderate, the temperature sensor monitors the outdoor ambient temperature in real time, and then the micro servo motor precisely adjusts the rotation angle of the rotating shaft, thereby adjusting the opening and closing degree of the valve plate, adjusting the ratio of the two fresh air streams entering the cavity for heat exchange and direct mixing, dynamically optimizing the intensity of waste heat recovery and compressor power consumption, so that the system can always find the optimal global energy efficiency under the current operating conditions, resulting in significant comprehensive energy saving effect; 3. In the low-temperature ventilation and heat dissipation mode, indoor return air and outdoor fresh air exchange heat only through the metal fins of the plate-fin heat exchanger. The air itself is completely isolated, preventing dust, pollen, bacteria, viruses, and excessive moisture in the outdoor air from directly entering the room. While efficiently cooling, it can also maintain the cleanliness and humidity independence of the indoor environment. In addition, in the moderate-temperature ventilation and heat dissipation mode, by actively managing exhaust gas, pre-cooling, and mixing fresh air, a stable, sufficient, and relatively low-temperature cooling air is provided to the condenser, effectively breaking the vicious cycle of thermal short circuit. This allows the condensing pressure to be stabilized within a reasonable range, preventing the compressor from shutting down due to high-pressure protection, and ensuring the continuous and reliable operation of the system and the stable output of the rated cooling capacity in high-temperature environments. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of a ventilation and heat dissipation structure and an energy-saving air conditioner proposed in this invention; Figure 2 for Figure 1 Side view of the middle structure; Figure 3 This is a schematic diagram of the ventilation and heat dissipation mechanism in this invention; Figure 4 for Figure 3 Top view of the structure; Figure 5 This is a cross-sectional view of the ventilation and heat dissipation mechanism in this invention. Figure 6 for Figure 5 Rear view diagram of the mid-section structure; Figure 7 for Figure 6 A magnified schematic diagram of the structure at point A in the diagram.

[0017] In the diagram: 1. Heat exchange box; 2. Diverter plate; 3. Plate-fin heat exchanger; 301. Cavity 1; 302. Cavity 2; 4. Air inlet pipe 1; 5. Air inlet pipe 2; 6. Centrifugal fan; 7. Axial fan; 8. Air supply pipe; 9. Exhaust pipe; 10. Air inlet chamber; 11. Diverter hole; 12. Mixing duct; 13. Heat collection pipe; 14. Collection hood; 15. Exhaust pipe; 16. Diverter pipe; 17. Solenoid valve 1; 18. Solenoid valve 2; 19. Solenoid valve 3; 20. Solenoid valve 4; 21. Temperature sensor; 22. Rotating shaft; 23. Valve plate; 24. Miniature servo motor; 25. Outdoor unit; 26. Indoor unit; 27. Condenser; 28. Compressor; 29. ​​Inlet pipe; 30. Exhaust pipe; 31. Main fan; 32. Protective sleeve. Detailed Implementation

[0018] To make the above-mentioned objects, features, and advantages of the present invention more apparent and understandable, specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of the present invention. However, the present invention can be practiced in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0019] Reference Figures 1-7A ventilation and heat dissipation structure and an energy-saving air conditioner are disclosed, comprising a heat exchange box 1, a flow divider 2, a temperature sensor 21, and a ventilation and heat dissipation mechanism. The ventilation and heat dissipation mechanism includes a plate-fin heat exchanger 3 sealed and fixedly connected to the inner wall of the heat exchange box 1. The plate-fin heat exchanger 3 divides the interior of the heat exchange box 1 into a first cavity 301 and a second cavity 302. The first cavity 301 is connected to the indoor environment through an air inlet pipe 4. An air inlet pipe 5 is fixedly connected to the inner wall of the second cavity 302, and the other end of the air inlet pipe 5 is connected to the outdoor environment. A centrifugal fan 6 is fixedly connected to the inner wall of the first air inlet pipe 4, and a centrifugal fan 6 is fixedly connected to the inner wall of the second air inlet pipe 5. An axial flow fan 7 is provided. An air supply pipe 8 is fixedly connected to the inner wall of cavity one 301. An exhaust pipe 9 is fixedly connected to the inner wall of cavity two 302. The other end of the exhaust pipe 9 is connected to the outside. An air inlet chamber 10 is opened in the flow divider 2. Multiple flow divider holes 11 are opened on the inner wall of the air inlet chamber 10. A mixing air pipe 12 is fixedly connected to the side wall of the flow divider 2. One end of the mixing air pipe 12 is connected to the air inlet chamber 10. A heat collection pipe 13 is fixedly connected to the side wall of the air inlet pipe one 4. Cavity one 301 is connected to the mixing air pipe 12 through an exhaust pipe 15. Air inlet pipe two 5 is connected to the mixing air pipe 12 through a flow divider pipe 16.

[0020] It should be noted that the connection between the heat collection tube 13 and the air inlet tube 4 is located at the inlet end of the centrifugal fan 6 (near the outdoor side), and the connection between the branch pipe 16 and the air inlet tube 5 is located at the outlet end of the axial fan 7 (near the heat exchange box 1 side).

[0021] The ventilation and heat dissipation mechanism also includes a solenoid valve 17 installed on the inner wall of the air supply pipe 8, a solenoid valve 28 installed on the inner wall of the exhaust pipe 15, a solenoid valve 39 installed on the inner wall of the air inlet pipe 4, and a solenoid valve 40 installed on the inner wall of the heat collection pipe 13.

[0022] Centrifugal fan 6, axial fan 7, temperature sensor 21, solenoid valve 17, solenoid valve 28, solenoid valve 319, and solenoid valve 420 are connected by a PLC control circuit.

[0023] A rotating shaft 22 is rotatably connected to the inner wall of the diverter 16. A valve plate 23 is fixedly connected to the side wall of the rotating shaft 22. The side wall of the valve plate 23 is sealed and slides against the inner wall of the diverter 16. A micro servo motor 24 is fixedly connected to the upper end of the diverter 16. The output end of the micro servo motor 24 passes through the side wall of the diverter 16 and is fixedly connected to the rotating shaft 22. The temperature sensor 21 is connected to the micro servo motor 24 through a PLC control circuit.

[0024] The other end of the heat collection tube 13 is fixedly connected to a collection cover 14. The collection cover 14 is funnel-shaped and is located above the heat exhaust duct outlet of the condenser 27, which can efficiently collect high-temperature exhaust gas.

[0025] An energy-saving air conditioner includes an outdoor unit 25, an indoor unit 26, and a protective sleeve 32. A condenser 27 and a compressor 28 are fixedly connected to the bottom of the outdoor unit 25. The compressor 28 is connected to a temperature sensor 21 through a PLC control circuit. A main fan 31 is fixedly connected to the inner wall of the outdoor unit 25.

[0026] The compressor 28 and the condenser 27 are connected by an inlet pipe 29. A drain pipe 30 is fixedly connected to the side wall of the condenser 27, and the other end of the drain pipe 30 is fixedly connected to the indoor unit 26.

[0027] One end of the air supply duct 8 is connected to the indoor unit 26, and a blower is installed on the inner wall of the air supply duct 8.

[0028] The protective sleeve 32 is installed to cover the side wall of the air supply pipe 8 and the drain pipe 30. The protective sleeve 32 is made of corrugated flexible hose and can be used to protect the air supply pipe 8 and the drain pipe 30.

[0029] The heat exchange box 1 and the flow divider 2 are both fixedly connected to the bottom of the outdoor unit 25, and the temperature sensor 21 is fixedly connected to the side wall of the outdoor unit 25.

[0030] In this invention, the outdoor ambient temperature is monitored by temperature sensor 21. When the outdoor ambient temperature is below 15 degrees Celsius, temperature sensor 21 sends a signal to control the centrifugal fan 6 and axial fan 7 to start, and simultaneously controls the opening of solenoid valve 17 and solenoid valve 39, while solenoid valve 28 and solenoid valve 4 are closed, and compressor 28 is stopped. Under the action of centrifugal fan 6, indoor air is sent into cavity 301 through air inlet pipe 4. Simultaneously, under the action of axial fan 7, outdoor air is sent into cavity 301. Air is sent into cavity 302 through air inlet pipe 2 5. When indoor air and outdoor air flow in cavity 1 301 and cavity 2 302 respectively, they exchange heat through plate-fin heat exchanger 3. The heat on the indoor air is transferred to the outdoor air, thereby cooling the air in cavity 1 301. The cooled air is then sent back into the room through air outlet pipe 8 and blower to achieve the purpose of cooling. In this case, compressor 28 is in the off state, and only a few fans need to be driven to run for air circulation and heat exchange, which can significantly reduce power consumption.

[0031] Furthermore, indoor and outdoor air only exchange heat, physically isolating each other and preventing outdoor dust, bacteria and other pollutants from entering the room. In addition, the compressor 28 is in a state of long-term shutdown, avoiding frequent start-stop and operation wear, which greatly extends its service life. Moreover, the entire refrigerant circulation system is in a low-pressure static state, reducing the risk of refrigerant leakage and fatigue of related components.

[0032] When the outdoor ambient temperature is between 15 and 35 degrees Celsius, temperature sensor 21 sends a signal to control compressor 28 to start. Solenoid valves 18 and 20 are energized and opened, while solenoid valves 17 and 19 are de-energized and closed. Simultaneously, micro servo motor 24 is energized and starts, driving shaft 22 to rotate a certain angle, which in turn causes valve plate 23 to rotate a certain angle, opening the channel of distributor 16. At this time, under the action of centrifugal fan 6 and axial fan 7, the high-temperature exhaust gas generated around condenser 27 passes through collection hood 14 and heat-collecting pipe 13. The high-temperature exhaust gas is fed into cavity 301, while outdoor air is partially fed into cavity 302 through inlet duct 2, and the remaining portion is fed into mixing duct 12 through diverter duct 16. As the high-temperature exhaust gas and outdoor air flow in cavity 301 and cavity 302 respectively, heat exchange occurs. The heat from the high-temperature exhaust gas is transferred to the outdoor air in cavity 302 through plate-fin heat exchanger 3, significantly reducing the temperature of the high-temperature exhaust gas and pre-cooling it. The outdoor air, having absorbed the heat, is then discharged through exhaust duct 9, significantly reducing the exhaust gas temperature. The temperature of the exhaust gas is reduced, and the pre-cooled exhaust gas is sent into the mixing duct 12 through the exhaust pipe 15, where it mixes with another portion of the outdoor air to form a new cooling air. This cooling air enters the intake chamber 10 and is then evenly blown onto the surface of the condenser 27 through multiple diversion holes 11, thereby dissipating heat from the condenser 27. In this case, heat from the high-temperature exhaust gas can be recovered, reducing the temperature of the exhaust air and thus reducing the accumulation of heat inside the outdoor unit 25. This allows for active management of the high-temperature exhaust gas and optimizes heat dissipation conditions. The system actively guides, pre-cools, and partially recirculates high-temperature exhaust gas while introducing a large amount of outdoor air. This ensures a large airflow and stable temperature into the condenser 27, preventing the high-temperature exhaust gas from being drawn back into the outdoor unit 25's air intake, which could cause a thermal short circuit and a sharp drop in efficiency. On the other hand, since the temperature of the mixed air is lower than the intake air temperature for thermal short circuits in the traditional mode, the condensation temperature of the refrigerant in the condenser 27 is reduced, thereby reducing the condensation pressure. Consequently, the pressure ratio of the compressor 28 is reduced, significantly reducing the power consumption of the compressor 28 and achieving energy saving.

[0033] In addition, the temperature sensor 21 monitors the outdoor temperature and controls the rotation angle of the micro servo motor 24 driving the shaft 22. When the outdoor temperature is high, the rotation angle of the micro servo motor 24 driving the shaft 22 is smaller, resulting in a larger opening and closing angle of the valve plate 23. This leads to more outdoor air being diverted into the mixing duct 12, and less outdoor air entering the cavity 202. Due to the higher outdoor temperature, the temperature difference between the high-temperature exhaust gas and the outdoor environment is smaller, and the waste heat recovery efficiency is lower. Therefore, less outdoor air enters the cavity 202 for heat exchange, and more outdoor air enters the mixing duct 12 to dissipate heat from the condenser 27. Conversely, if the outdoor temperature is high... The lower the temperature, the greater the temperature difference between the exhaust gas and the outdoor environment, and the higher the waste heat recovery efficiency. At this time, the opening angle of the valve plate 23 will be smaller, and more outdoor air will enter the cavity 2 302 for waste heat recovery, thereby saving the power consumption of the compressor 28 more significantly. Therefore, by controlling the ratio of outdoor air entering the cavity 2 302 and the mixing duct 12, on the one hand, the temperature of the airflow finally blown to the condenser 27 can be precisely controlled, so that the temperature is maintained at the optimal value, without causing excessive condensing pressure or overcooling. On the other hand, waste heat recovery can be dynamically adjusted to save the power consumption of the compressor 28, so that the entire system can smoothly transition when the outdoor temperature changes.

[0034] When the outdoor ambient temperature exceeds 35 degrees Celsius, the temperature sensor 21 monitors the temperature and sends a signal. Solenoid valves 17, 18, 19, and 20 are all de-energized and closed, and centrifugal fan 6 and axial fan 7 stop running. At this time, the main heat source is outdoor air, compressor 28 runs at full power to provide maximum cooling effect, and main fan 31 draws in high-temperature outdoor air to dissipate heat from condenser 27. The entire device switches to the operation mode of a traditional air conditioner.

[0035] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A ventilation and heat dissipation structure, comprising a heat exchange box (1), a flow divider (2), a temperature sensor (21), and a ventilation and heat dissipation mechanism, characterized in that: The ventilation and heat dissipation mechanism includes a plate-fin heat exchanger (3) that is sealed and fixedly connected to the inner wall of the heat exchange box (1). The plate-fin heat exchanger (3) divides the interior of the heat exchange box (1) into a cavity one (301) and a cavity two (302). The cavity one (301) is connected to the room through an air inlet pipe one (4). The inner wall of the cavity two (302) is fixedly connected to an air inlet pipe two (5). The other end of the air inlet pipe two (5) is connected to the outside. The inner wall of the air inlet pipe one (4) is fixedly connected to a centrifugal fan (6). The inner wall of the air inlet pipe two (5) is fixedly connected to an axial flow fan (7). The inner wall of the cavity one (301) is fixedly connected to an air supply pipe (8). The inner wall of cavity two (302) is fixedly connected to an exhaust pipe (9), the other end of which is connected to the outside. An air inlet chamber (10) is opened in the diversion plate (2), and multiple diversion holes (11) are opened in the inner wall of the air inlet chamber (10). A mixing air pipe (12) is fixedly connected to the side wall of the diversion plate (2), one end of which is connected to the air inlet chamber (10). A heat-gathering pipe (13) is fixedly connected to the side wall of air inlet pipe one (4). Cavity one (301) is connected to the mixing air pipe (12) through an exhaust pipe (15), and air inlet pipe two (5) is connected to the mixing air pipe (12) through a diversion pipe (16).

2. The ventilation and heat dissipation structure according to claim 1, characterized in that, The ventilation and heat dissipation mechanism also includes a solenoid valve one (17) installed on the inner wall of the air supply pipe (8), a solenoid valve two (18) installed on the inner wall of the exhaust pipe (15), a solenoid valve three (19) installed on the inner wall of the air inlet pipe one (4), and a solenoid valve four (20) installed on the inner wall of the heat collection pipe (13).

3. The ventilation and heat dissipation structure according to claim 2, characterized in that, The centrifugal fan (6), axial fan (7), temperature sensor (21), solenoid valve one (17), solenoid valve two (18), solenoid valve three (19) and solenoid valve four (20) are connected by a PLC control circuit.

4. The ventilation and heat dissipation structure according to claim 1, characterized in that, The inner wall of the diversion tube (16) is rotatably connected to a rotating shaft (22), and a valve plate (23) is fixedly connected to the side wall of the rotating shaft (22). The side wall of the valve plate (23) is sealed and slides against the inner wall of the diversion tube (16). A micro servo motor (24) is fixedly connected to the upper end of the diversion tube (16). The output end of the micro servo motor (24) passes through the side wall of the diversion tube (16) and is fixedly connected to the rotating shaft (22). The temperature sensor (21) is connected to the micro servo motor (24) through a PLC control circuit.

5. The ventilation and heat dissipation structure according to claim 1, characterized in that, The other end of the heat-collecting tube (13) is fixedly connected to a collection cover (14), which is horn-shaped.

6. An energy-saving air conditioner, based on the ventilation and heat dissipation structure according to any one of claims 1-5, characterized in that, The unit includes an outdoor unit (25), an indoor unit (26), and a protective sleeve (32). The bottom of the outdoor unit (25) is fixedly connected to a condenser (27) and a compressor (28). The compressor (28) is connected to a temperature sensor (21) via a PLC control circuit. The inner wall of the outdoor unit (25) is fixedly connected to a main fan (31).

7. An energy-saving air conditioner according to claim 6, characterized in that, The compressor (28) and the condenser (27) are connected by an inlet pipe (29). The side wall of the condenser (27) is fixedly connected to a drain pipe (30), and the other end of the drain pipe (30) is fixedly connected to the indoor unit (26).

8. An energy-saving air conditioner according to claim 6, characterized in that, One end of the air supply pipe (8) is connected to the indoor unit (26), and a blower is installed on the inner wall of the air supply pipe (8).

9. An energy-saving air conditioner according to claim 8, characterized in that, The protective sleeve (32) is provided to cover the side wall of the air supply pipe (8) and the drain pipe (30).

10. An energy-saving air conditioner according to claim 6, characterized in that, The heat exchange box (1) and the flow divider (2) are both fixedly connected to the bottom of the outdoor unit (25), and the temperature sensor (21) is fixedly connected to the side wall of the outdoor unit (25).

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