A power generation device with air conditioning function

Abstract

The present invention discloses a power generation device with air-conditioning function, which belongs to the field of temperature difference power generation and air conditioning, and includes a heat exchange structure, a drive structure, a heat collection evaporation structure and an air-conditioning structure. The heat exchange structure is connected to the air-conditioning structure, and the other end of the heat exchange structure is connected to the drive structure. The end of the drive structure away from the heat exchange structure is arranged at one end of the heat collection evaporation structure; the heat exchange structure is used to exchange heat between groundwater and the working medium, and the drive structure is used to convert internal energy into mechanical energy. In the present invention, when the solar heat collecting panel uses sunlight as the heat source, it creates a larger temperature difference and has high power generation efficiency; the cost is low and the device uses groundwater in a closed cycle, which will not cause waste of water resources; it takes into account both air-conditioning function and nighttime power generation; the solar heat collecting panel can work in conjunction with the photovoltaic panel to cool the photovoltaic panel, improve the photovoltaic power generation efficiency and realize the secondary conversion of waste heat into electrical energy.

Description

Technical Field

[0001] The present invention relates to the fields of temperature difference power generation and air conditioning, and in particular to a power generation device with air conditioning function. Background Art

[0002] Thermoelectric power generation utilizes temperature differences in seawater to generate electricity. The temperature difference between different ocean layers is significant, with surface water generally much warmer than deeper or bottom water. The principle of power generation is that after warm water flows into an evaporation chamber, a low-boiling-point working fluid absorbs heat from the water and vaporizes, producing high-pressure steam. This high-pressure steam acts as a fluid, driving a turbine and starting an AC motor to generate electricity. The exhaust steam from the turbine enters a condensation chamber, where it is condensed into a liquid by the deep ocean water, which then continues the cycle.

[0003] Existing thermoelectric power generation devices require the construction of thermoelectric power stations when generating electricity, and can only achieve circulation functions through seawater. Surface seawater and deep seawater need to be circulated. The pipelines have to withstand the huge seawater pressure, constantly fluctuating ocean current pressure, and frequently changing water temperatures in the deep sea. The project is large in scale and poses great challenges to the pipelines. The construction cost is high, and the temperature gradient is small (the temperature gradient between deep seawater and surface seawater at a depth of 1000m is about 20°C). The power generation efficiency is low (currently the effective output is less than 2%). Therefore, a power generation device with air conditioning function is proposed. Summary of the Invention

[0004] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, one object of the present invention is to provide a power generation device with air conditioning function.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a power generation device with air conditioning function, comprising a heat exchange structure, a drive structure, a heat collection and evaporation structure, and an air conditioning structure, wherein the heat exchange structure is connected to the air conditioning structure, and the other end of the heat exchange structure is connected to the drive structure, and the end of the drive structure away from the heat exchange structure is arranged at one end of the heat collection and evaporation structure;

[0006] The heat exchange structure is used to exchange heat between groundwater and the working fluid, the driving structure is used to convert internal energy into mechanical energy, the heat collection and evaporation structure is used to collect external heat and evaporate the working fluid to achieve phase change of the working fluid, thereby creating conditions for the operation of the driving structure, and the air conditioning structure uses groundwater as the medium to heat and cool the room;

[0007] The heat exchange structure includes a heat exchanger, and the heat exchanger is provided with four pipe connection ports. The first pipe connection port is connected to a heat exchanger gas phase valve, and the end of the heat exchanger gas phase valve away from the heat exchanger is connected to a low-pressure exhaust pipe. The second pipe connection port is connected to a liquid phase valve, and the end of the liquid phase valve away from the heat exchanger is connected to a liquid phase working fluid pipe, a gear liquid pump is installed on the liquid phase working fluid pipe, and a normally closed liquid phase solenoid valve is installed on the end of the liquid phase working fluid pipe close to the liquid phase valve. The third pipe connection port is connected to a heat exchanger. The heat exchanger water inlet interface, one end of the heat exchanger water inlet interface is connected to the heat exchanger water inlet pipe, the end of the heat exchanger water inlet pipe away from the heat exchanger is connected to the groundwater filter, the water inlet of the groundwater filter is connected to the submersible pump water supply pipe, the end of the submersible pump water supply pipe away from the groundwater filter is connected to the submersible pump, the fourth pipe connection port is equipped with a heat exchanger drain port, one end of the heat exchanger drain port is connected to the groundwater drainage main pipe, and the end of the groundwater drainage main pipe away from the heat exchanger is connected to the groundwater system.

[0008] As a further preferred embodiment of the present technical solution, the driving structure includes an air motor, the exhaust port of the air motor is connected to the end of the low-pressure exhaust pipe away from the gas phase valve of the heat exchanger, an airtight shell is provided on the outside of the air motor, the air inlet of the air motor is connected to the high-pressure intake pipe, the high-pressure intake pipe and the low-pressure exhaust pipe both pass through the outside of the airtight shell, an air motor solenoid valve is installed on the high-pressure intake pipe, the end of the low-pressure exhaust pipe close to the air motor is connected to a pressure differential sensor pipeline, a pressure differential sensor is installed on the pressure differential sensor pipeline, the pressure differential sensor pipeline and the end of the high-pressure intake pipe away from the air motor are connected, the rotating shaft of the air motor is rotatably connected to a generator through a coupling, and the generator is threadedly connected to the inside of the airtight shell by bolts.

[0009] As a further preferred embodiment of the present technical solution, the heat collecting evaporation structure includes a first liquid phase circulation pipe, the first liquid phase circulation pipe is connected to the end of the liquid phase working fluid pipe away from the liquid phase valve, the end of the first liquid phase circulation pipe away from the liquid phase working fluid pipe is connected to a liquid storage tank, four pipe connection ports are provided on the liquid storage tank, three of the pipe connection ports are respectively connected to a second liquid phase circulation pipe, a liquid storage tank gas phase valve and a normally open solenoid valve, one end of the second liquid phase circulation pipe is connected to a working fluid heating and cooler, a second pipe body and a first pipe body are installed on the working fluid heating and cooler, the end of the second liquid phase circulation pipe away from the liquid storage tank is connected to the second pipe body, the first pipe body is connected to the first liquid phase circulation pipe, the normally open solenoid valve A working fluid delivery pipe is installed at one end of the open solenoid valve away from the liquid storage tank, and a plurality of capillaries are evenly connected to the interior of the working fluid delivery pipe, and a plurality of evaporator pipes are evenly connected to one end of the capillary tube away from the working fluid delivery pipe. The evaporator pipe is installed on a solar collector plate, and a solar cell panel is installed on the solar collector plate. One end of the liquid storage tank gas phase valve is connected to a bypass pipe, and the bypass pipe and one end of the evaporator pipe are both connected to a steam collecting pipe, and one end of the steam collecting pipe away from the bypass pipe and the evaporator pipe is connected to a high-pressure steam pipe, and one end of the high-pressure steam pipe away from the steam collecting pipe is connected to a pressure differential sensor pipeline and a high-pressure air intake pipe, and a pressure accumulator is installed on the high-pressure steam pipe.

[0010] As a further preferred embodiment of the present technical solution, the air-conditioning structure includes an air-conditioner water inlet pipe, which is connected to the interior of the heat exchanger water inlet pipe, one end of the air-conditioner water inlet pipe is connected to the air conditioner, the water outlet of the air conditioner is connected to the air-conditioner water outlet pipe, and the end of the air-conditioner water outlet pipe away from the air conditioner is connected to the interior of the groundwater drainage main.

[0011] As a further preferred embodiment of the present technical solution, the submersible pump is arranged in a groundwater system.

[0012] As a further preferred embodiment of the present technical solution, a normally closed bypass pressure relief solenoid valve is installed on the bypass pipe, and a mechanical pressure relief valve pipeline is connected on the bypass pipe and at both ends of the normally closed bypass pressure relief solenoid valve, and a mechanical pressure relief valve is installed on the mechanical pressure relief valve pipeline.

[0013] As a further preferred embodiment of the present technical solution, a liquid level float switch is installed in the liquid storage tank.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] In the present invention, when the ambient temperature is high, the device uses constant-temperature groundwater as a cold source, the outside world as a heat source, and a low-boiling-point working medium as a thermal circulation medium. The high-pressure steam drives the pneumatic motor to rotate and the generator is linked to generate electricity. When the ambient temperature is low, the device uses constant-temperature groundwater as a heat source, the outside world as a cold source, and a low-boiling-point working medium as a thermal circulation medium. The high-pressure steam drives the generator to generate electricity. When the power component is equipped with a piston-type pneumatic motor, it can meet the needs of household installation and power generation. When used as a household power generation device, it is combined with air conditioning function and uses groundwater as a constant temperature source to solve the high energy consumption characteristics of traditional air conditioners.

[0016] In the present invention, the device is used as an auxiliary air conditioner, using constant temperature groundwater as a cold source or heat source. During the heat exchange between water and air, no electricity outside the system is consumed, thereby achieving energy conservation and emission reduction, and having a low production cost.

[0017] In the present invention, when the device is in use, it utilizes the groundwater in the same layer for circulation, which does not cause water resource waste. At the same time, based on the high specific heat capacity of water, the water temperature is relatively constant. Groundwater has an amazing heat storage capacity, which ensures the stability of the system. At night or in winter when the ambient temperature is relatively cold, groundwater can be used as a heat source to achieve continuous power generation.

[0018] In the present invention, when solar energy is used as the heat source, the temperature gradient is large, so the power generation efficiency is high. The solar collector panel can be assembled together with the photovoltaic panel, so that the solar collector panel absorbs heat from the photovoltaic panel, effectively reducing the temperature of the photovoltaic panel, thereby improving the photovoltaic power generation efficiency and realizing the secondary conversion of "waste heat into electrical energy", greatly improving the power generation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the process structure of the present invention;

[0020] Figure 2 For the present invention Figure 1 Schematic diagram of the structure of the enlarged area A in the middle;

[0021] Figure 3 For the present invention Figure 1 Schematic diagram of the structure of the enlarged area B in the middle;

[0022] Figure 4 It is a schematic structural diagram of the solar cell panel and solar heat collecting panel of the present invention.

[0023] In the figure: 1. Submersible pump; 2. Groundwater filter; 3. Heat exchanger; 4. Liquid phase valve; 5. Normally closed liquid phase solenoid valve; 6. Gear liquid pump; 7. Working fluid heating and cooling device; 8. Liquid storage tank; 9. Capillary tube; 10. Liquid storage tank gas phase valve; 11. Normally closed bypass pressure relief solenoid valve; 12. Mechanical pressure relief valve; 13. Accumulator; 14. Pneumatic motor solenoid valve; 15. Pressure difference sensor; 16. Pneumatic motor; 17. Generator; 18. Air conditioner; 19. Heat exchanger gas phase valve; 20. Liquid level float switch; 21. Solar collector panel; 22. Evaporator pipe; 23. Submersible pump water supply pipe; 24. Heat exchanger 1. Water inlet pipe of the heat exchanger; 2. Water inlet pipe of the air conditioner; 2. Water outlet pipe of the air conditioner; 2. Groundwater drainage main pipe; 2. Liquid working medium pipe; 2. High-pressure steam pipe; 3. First liquid-phase circulation pipe; 3. Mechanical pressure relief valve pipeline; 3. Bypass pipe; 3. High-pressure air inlet pipe; 34. Low-pressure exhaust pipe; 35. Second liquid-phase circulation pipe; 36. First pipe body; 37. Normally open solenoid valve; 38. Water inlet interface of the heat exchanger; 39. Drain port of the heat exchanger; 40. Pressure differential sensor pipeline; 41. Solar panel; 42. Working medium delivery pipe; 43. Steam collection pipe; 44. Second pipe body; 45. Airtight shell. DETAILED DESCRIPTION

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. 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 making creative efforts are within the scope of protection of the present invention.

[0025] See also Figure 1-Figure 4 , the present invention provides a technical solution:

[0026] A power generation device with air conditioning function, comprising a heat exchange structure, a drive structure, a heat collection and evaporation structure, and an air conditioning structure, wherein the heat exchange structure is connected to the air conditioning structure, the other end of the heat exchange structure is connected to the drive structure, and the end of the drive structure away from the heat exchange structure is arranged at one end of the heat collection and evaporation structure;

[0027] The heat exchange structure is used to exchange heat between groundwater and the working fluid, the driving structure is used to convert internal energy into mechanical energy, the heat collection and evaporation structure is used to collect external heat and evaporate the working fluid to achieve phase change of the working fluid, thereby creating conditions for the operation of the driving structure, and the air conditioning structure uses groundwater as the medium to heat and cool the room;

[0028] Among them, the heat exchange structure includes a heat exchanger 3, and the heat exchanger 3 is provided with four pipe connection ports. The first pipe connection port is connected to the heat exchanger gas phase valve 19, and the end of the heat exchanger gas phase valve 19 away from the heat exchanger 3 is connected to the low-pressure exhaust pipe 34. The second pipe connection port is connected to the liquid phase valve 4, and the end of the liquid phase valve 4 away from the heat exchanger 3 is connected to the liquid phase working fluid pipe 28. The gear liquid pump 6 is installed on the liquid phase working fluid pipe 28, and the end of the liquid phase working fluid pipe 28 close to the liquid phase valve 4 is installed with a normally closed liquid phase solenoid valve 5. The third pipe connection port is installed with a heat exchanger inlet. Water interface 38, one end of the heat exchanger water inlet interface 38 is connected to the heat exchanger water inlet pipe 24, the end of the heat exchanger water inlet pipe 24 away from the heat exchanger 3 is connected to the groundwater filter 2, the water inlet of the groundwater filter 2 is connected to the submersible pump water supply pipe 23, the end of the submersible pump water supply pipe 23 away from the groundwater filter 2 is connected to the submersible pump 1, and a heat exchanger drain port 39 is installed on the fourth pipe connection port, one end of the heat exchanger drain port 39 is connected to the groundwater drainage main pipe 27, and the end of the groundwater drainage main pipe 27 away from the heat exchanger 3 is connected to the groundwater system.

[0029] Principle of the heat exchange structure: During the operation of the heat exchange structure, groundwater continuously passes through the heat exchanger 3 under the pressure of the submersible pump 1, realizing heat exchange between the working medium and the groundwater in the heat exchanger 3, and completing the phase change of the working medium in the heat exchanger 3; the normally closed liquid phase solenoid valve 5 is used to prevent the working medium from flowing back after the mutual transportation. The normally closed liquid phase solenoid valve 5 and the gear liquid pump 6 are opened and closed synchronously. When the mutual transportation of the working medium is completed, the normally closed liquid phase solenoid valve 5 automatically closes as the gear liquid pump 6 stops to prevent the liquid working medium from flowing back.

[0030] In this embodiment, specifically, the driving structure includes an air motor 16, the exhaust port of the air motor 16 is connected to the end of the low-pressure exhaust pipe 34 away from the heat exchanger gas phase valve 19, and an airtight shell 45 is provided on the outside of the air motor 16. The air inlet of the air motor 16 is connected to the high-pressure air inlet pipe 33, and the high-pressure air inlet pipe 33 and the low-pressure air exhaust pipe 34 both pass through the outside of the airtight shell 45. The air motor solenoid valve 14 is installed on the high-pressure air inlet pipe 33, and the end of the low-pressure air exhaust pipe 34 close to the air motor 16 is connected to the pressure differential sensor pipeline 40, and the pressure differential sensor pipeline 40 is installed with a pressure differential sensor 15. The pressure differential sensor pipeline 40 is connected to the end of the high-pressure air inlet pipe 33 away from the air motor 16, and the rotating shaft of the air motor 16 is rotatably connected to the generator 17 through a coupling, and the generator 17 is threadedly connected to the inside of the airtight shell 45 by bolts.

[0031] Principle of the driving structure: The pneumatic motor 16 is a piston expander, which converts internal energy into mechanical energy through the expansion of pressurized gas and drives the generator 17 to generate electricity. When the power of the system is extremely large, the pneumatic motor 16 can also be replaced by a turbine turbine; the pressure difference sensor 15 is used to monitor the pressure difference at both ends of the pneumatic motor 16 and provide the pressure signal to the controller. When the ambient temperature difference is small, resulting in the pressure difference at both ends of the pneumatic motor 16 being unable to drive the pneumatic motor 16 to work normally, the controller turns off the pneumatic motor solenoid valve 14 to stop the power generation system from working, buffering the system pressure, and the system continues to absorb heat from the environment. When the pressure difference reaches the standard, the pneumatic motor solenoid valve 14 is opened again to put the power generation system back into working state. The generator 17 and the pneumatic motor 16 are in a high-pressure and sealed airtight casing 45 to prevent leakage of the working fluid due to wear of the seals.

[0032] In this embodiment, specifically, the heat collection and evaporation structure includes a first liquid-phase circulation pipe 30, the first liquid-phase circulation pipe 30 is connected to the end of the liquid-phase working medium pipe 28 away from the liquid-phase valve 4, the end of the first liquid-phase circulation pipe 30 away from the liquid-phase working medium pipe 28 is connected to the liquid storage tank 8, and four pipe connection ports are provided on the liquid storage tank 8, and the three pipe connection ports are respectively connected to the second liquid-phase circulation pipe 35, the liquid storage tank gas phase valve 10 and the normally open solenoid valve 37, one end of the second liquid-phase circulation pipe 35 is connected to the working medium heating and cooler 7, and the working medium heating and cooler 7 is installed with a second tube body 44 and a first tube body 36, the end of the second liquid-phase circulation pipe 35 away from the liquid storage tank 8 is connected to the second tube body 44, the first tube body 36 is connected to the first liquid-phase circulation pipe 30, the normally open solenoid valve 37 is away from the liquid storage tank A working fluid delivery pipe 42 is installed at one end of the tank 8, and the interior of the working fluid delivery pipe 42 is evenly connected with multiple capillaries 9. The end of the capillary tube 9 away from the working fluid delivery pipe 42 is evenly connected with multiple evaporator exhaust pipes 22. The evaporator exhaust pipe 22 is installed on a solar collector panel 21, and a solar cell panel 41 is installed on the solar collector panel 21. One end of the liquid storage tank gas phase valve 10 is connected to a bypass pipe 32, and the bypass pipe 32 and one end of the evaporator exhaust pipe 22 are both connected to a steam collecting pipe 43. The end of the steam collecting pipe 43 away from the bypass pipe 32 and the evaporator exhaust pipe 22 is connected to a high-pressure steam pipe 29, and the end of the high-pressure steam pipe 29 away from the steam collecting pipe 43 is connected to a pressure differential sensor pipeline 40 and a high-pressure air intake pipe 33. A pressure accumulator 13 is installed on the high-pressure steam pipe 29.

[0033] The principle of the heat collection evaporation structure: The heat collection evaporation structure is used to collect external heat or cold, and evaporate or condense the working medium to achieve a phase change of the working medium in the evaporator pipe 22. The thermal cycle system operates in a hot cycle mode and a cold cycle mode. The hot cycle mode is a cycle mode in which the liquid working medium vaporizes in the evaporator pipe 22 when the temperature of the solar collector plate 21 is higher than the groundwater temperature and finally returns to the heat exchanger 3 to complete liquefaction; the cold cycle mode is a cycle mode in which the ambient temperature is low and the temperature of the solar collector plate 21 is lower than the groundwater temperature and finally returns to the heat exchanger 3 to complete liquefaction. The liquefaction cycle mode is completed in the evaporator pipe 22; the working fluid heating and cooling device 7 is used to heat or cool the liquid working fluid in the liquid storage tank 8 to increase or reduce the saturated vapor pressure in the liquid storage tank 8, creating conditions for the liquid working fluid to smoothly enter the evaporator pipe 22 or to flow back to the liquid storage tank 8 from the evaporator pipe 22. During the heating or cooling process of the liquid working fluid by the working fluid heating and cooling device 7, the density of the liquid working fluid changes greatly with the temperature. Due to the different temperatures of the working fluid in the working fluid heating and cooling device 7 and the first liquid phase circulation pipe 30, the liquid working fluid in the working fluid heating and cooling device 7 and the first liquid phase circulation pipe 30 is caused to The density in the tube 30 is different, and the working medium will spontaneously generate a thermal cycle under the action of gravity, without the need for a pump body to participate in the circulation work. During the installation process of the solar thermal collecting panel 21, the end close to the capillary tube 9 should be at a slightly lower position than the two ends of the solar thermal collecting panel 21, and the position close to the high-pressure steam pipe 29 should be at a slightly higher position, and the panel surface should be perpendicular to the sunlight to obtain a higher irradiance, thereby improving the working efficiency of the device; at the same time, such a placement method is also convenient for the liquid working medium to enter the liquid storage tank 8 more smoothly through the capillary tube 9 in the cold circulation state in winter or at night, and the capillary tube 9 can be placed in the liquid storage tank 8 more smoothly. The capillary tube 9 plays a role of reducing pressure and throttling in the present device, limiting the flow of the liquid working medium into the evaporator pipe 22, and ensuring the stability of the pressure and temperature in the evaporator pipe 22. The pressure accumulator 13 is used to prevent excessive fluctuations in gas pressure and to balance the air pressure when passing through the pneumatic motor 16, thereby increasing the working stability of the system. When the solar panel 41 and the solar collector panel 21 are installed in conjunction with each other, they play a role of secondary conversion of waste heat into electrical energy, while reducing the temperature of the solar panel, improving the working conditions of the solar panel 41, improving the power generation efficiency of the solar panel 41, and slowing down the attenuation and aging of the solar panel.

[0034] In this embodiment, specifically, the air conditioning structure includes an air conditioner water inlet pipe 25, which is connected to the interior of the heat exchanger water inlet pipe 24, one end of the air conditioner water inlet pipe 25 is connected to the air conditioner 18, and the water outlet of the air conditioner 18 is connected to the air conditioner water outlet pipe 26, and the end of the air conditioner water outlet pipe 26 away from the air conditioner 18 is connected to the interior of the groundwater drainage main 27.

[0035] In this embodiment, specifically, the submersible pump 1 is arranged in a groundwater system; the device uses constant temperature groundwater (temperature of about 10-20° C.) as a heat source or a cold source to perform cyclic heat exchange.

[0036] In this embodiment, specifically, a normally closed bypass pressure relief solenoid valve 11 is installed on the bypass pipe 32, and a mechanical pressure relief valve pipeline 31 is connected on the bypass pipe 32 and at both ends of the normally closed bypass pressure relief solenoid valve 11, and a mechanical pressure relief valve 12 is installed on the mechanical pressure relief valve pipeline 31; in order to reduce the power consumption of the pump body during the transmission of the liquid working medium, by setting the working states of the normally closed bypass pressure relief solenoid valve 11 and the normally open solenoid valve 37, the working medium delivery of the solar collector 21 is selectively closed, and the pressure between the liquid storage tank 8 and the heat exchanger 3 is bypassed to reduce the power consumption of the pump body during the transmission of the liquid working medium between the heat exchanger 3 and the liquid storage tank 8. Before the working medium is transferred, the system automatically opens the normally closed bypass pressure relief valve The solenoid valve 11 turns off the normally open solenoid valve 37, and controllably reduces the output current of the generator 17 to achieve unloading of the generator 17, thereby achieving efficient bypass, reducing the pressure difference between the liquid storage tank 8 and the heat exchanger 3 as much as possible to promote the cross-transfer of the working fluid; after the cross-transfer is completed, the system automatically turns off the normally closed bypass pressure relief solenoid valve 11, and opens the normally open solenoid valve 37, so that the system is restored to the power generation working state, and in order to ensure the safety of the system operation and prevent the temperature and pressure of the liquid storage tank 8 from being too high in the heating state, a mechanical pressure relief valve 12 is set. When the pressure in the liquid storage tank 8 is too high, the mechanical pressure relief valve 12 automatically releases the pressure and bypasses, and automatically closes after the pressure in the liquid storage tank 8 drops to the set value, ensuring safe and stable operation of the system.

[0037] In this embodiment, specifically, a liquid level float switch 20 is installed on the liquid storage tank 8; the liquid level float switch 20 is installed inside the liquid storage tank 8, and is used to monitor the reserves of the system working fluid and control the gear liquid pump 6 to start and stop exchanging the working fluid in a timely manner.

[0038] According to the above technical solution, the working steps of this solution are summarized and sorted out:

[0039] When in use, the submersible pump 1 distributes groundwater through the groundwater filter 2 to the heat exchanger 3 and the air conditioner 18, achieving heat exchange between the groundwater, the working medium, and the indoor environment. When the ambient temperature is higher than the groundwater temperature, the groundwater has a cooling effect, and when the ambient temperature is lower than the groundwater temperature, the groundwater has a heating effect. The groundwater after heat exchange is completely transported back to the groundwater system through the groundwater drainage main 27, avoiding groundwater waste.

[0040] In summer, due to the high temperature of the solar collector plate 21 due to sunlight, the liquid working medium transported by the capillary tube 9 to the evaporator exhaust pipe 22 is evaporated violently, and the evaporated high-pressure steam enters the accumulator 13 through the high-pressure steam pipe 29. The high-pressure steam with small pressure fluctuation output by the accumulator 13 enters the air motor 16 through the air motor solenoid valve 14. The air motor 16 realizes the conversion of internal energy into mechanical energy and drives the generator 17 to generate electricity. The low-pressure steam output by the air motor 16 enters the heat exchanger 3 through the low-pressure exhaust pipe 34, thereby cooling the air. The gaseous working medium condenses into liquid. After the high-pressure liquid working medium in the heat exchanger 3 accumulates to a certain amount, it is discharged by the liquid phase valve 4, enters the liquid storage tank 8 through the normally closed liquid phase solenoid valve 5, the gear liquid pump 6, the liquid phase working medium pipe 28 and the first liquid phase circulation pipe 30, and the working medium entering the liquid storage tank 8 is circulated and heated by the working medium heating cooler 7 to increase the temperature and pressure. The liquid working medium with increased temperature and pressure passes through the normally open solenoid valve 37 and the capillary tube 9 and enters the evaporator pipe 22 on the solar collector panel 21 again, completing the complete thermodynamic cycle. This cycle repeats over and over again.

[0041] In winter, under low temperature conditions, the solar heat collecting panels 21 undergo contact heat exchange with the low temperature air in the environment, cooling and liquefying the gas phase working medium in the evaporator pipe 22. The liquefied working medium enters the liquid storage tank 8 through the capillary tube 9 under pressure. The working medium entering the liquid storage tank 8 is circulated and cooled by the working medium heating cooler 7, further reducing the temperature and pressure in the liquid storage tank 8, thereby promoting the liquid working medium in the evaporator pipe 22 to actively enter the liquid storage tank 8. When the liquid working medium in the liquid storage tank 8 accumulates to a certain amount, the gear liquid pump 6 rotates in the opposite direction, and the liquid working medium is discharged by the gear pump 6. After the liquid pump 6 is pressurized, the normally closed liquid phase solenoid valve 5 and the liquid phase valve 4 return to the heat exchanger 3. Under the heating effect of the groundwater, the temperature of the working medium in the heat exchanger 3 increases, the pressure increases, and it vaporizes. The vaporized high-pressure steam enters the pneumatic motor 16 in the opposite direction through the low-pressure exhaust pipe 34. The pneumatic motor 16 converts the internal energy into mechanical energy and drives the generator 17 to generate electricity. The low-temperature and low-pressure steam discharged by the pneumatic motor 16 enters the accumulator 13 through the pneumatic motor solenoid valve 14, and then enters the evaporator pipe 22 on the solar collector panel 21 through the high-pressure steam pipe 29, completing a complete thermodynamic cycle.

[0042] The device can be used in conjunction with photovoltaic panels. The photovoltaic panels can be directly attached to the upper surface of the solar collector 21, or the aluminum plate substrate of the solar collector 21 and the photovoltaic panel can be integrated during production to reduce the overall mass and improve thermal conductivity, effectively cooling the photovoltaic panel and realizing the secondary conversion of light energy into electrical energy. The device can work and generate electricity at a temperature difference of more than 10°C without harsh temperature difference conditions. In addition, the device has a variety of ways to obtain heat from the outside world. It can work and generate electricity with high-temperature or low-temperature objects as heat sources or cold sources. For example, it can be used in power plants and industrial Waste heat is used as the heat source and the groundwater system as the cold source to achieve thermoelectric power generation; or the cold air in winter and late at night is used as the cold source and the groundwater system is used as the heat source to achieve thermoelectric power generation. In desert areas with abundant groundwater resources (the Taklimakan Desert has about 228 trillion cubic meters of groundwater), a constant temperature groundwater source is obtained through deep hole drilling technology. During the day, the system uses solar energy as the heat source and groundwater as the cold source to achieve thermoelectric power generation; in winter or at night, the system uses cold air (the lowest temperature in the desert at night is around -30℃) as the cold source and groundwater as the heat source to achieve thermoelectric power generation.

[0043] Parts not described in the present invention are the same as those in the prior art or can be implemented using the prior art. Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A power generation device with air conditioning function, characterized in that: It includes a heat exchange structure, a drive structure, a heat collection and evaporation structure and an air conditioning structure. The heat exchange structure is connected to the air conditioning structure, and the other end of the heat exchange structure is connected to the drive structure. The end of the drive structure away from the heat exchange structure is arranged at one end of the heat collection and evaporation structure. The heat exchange structure is used to exchange heat between groundwater and the working fluid, the driving structure is used to convert internal energy into mechanical energy, the heat collection and evaporation structure is used to collect external heat and evaporate the working fluid to achieve phase change of the working fluid, thereby creating conditions for the operation of the driving structure, and the air conditioning structure uses groundwater as the medium to heat and cool the room; The heat exchange structure includes a heat exchanger (3), and the heat exchanger (3) is provided with four pipeline connection ports. The first pipeline connection port is connected to a heat exchanger gas phase valve (19), and the end of the heat exchanger gas phase valve (19) away from the heat exchanger (3) is connected to a low-pressure exhaust pipe (34). The second pipeline connection port is connected to a liquid phase valve (4), and the end of the liquid phase valve (4) away from the heat exchanger (3) is connected to a liquid phase working fluid pipe (28), and a gear liquid pump (6) is installed on the liquid phase working fluid pipe (28). The end of the liquid phase working fluid pipe (28) close to the liquid phase valve (4) is installed with a normally closed liquid phase solenoid valve (5). The third pipeline connection port is installed with a heat exchanger inlet valve (19). A water interface (38), one end of the heat exchanger water inlet interface (38) is connected to a heat exchanger water inlet pipe (24), one end of the heat exchanger water inlet pipe (24) away from the heat exchanger (3) is connected to a groundwater filter (2), the water inlet of the groundwater filter (2) is connected to a submersible pump water supply pipe (23), one end of the submersible pump water supply pipe (23) away from the groundwater filter (2) is connected to a submersible pump (1), a heat exchanger drain port (39) is installed on the fourth pipe connection port, one end of the heat exchanger drain port (39) is connected to a groundwater drainage main pipe (27), and one end of the groundwater drainage main pipe (27) away from the heat exchanger (3) is connected to the groundwater system; The submersible pump (1) is arranged in a groundwater system; The air conditioning structure includes an air conditioner water inlet pipe (25), the air conditioner water inlet pipe (25) is connected to the interior of the heat exchanger water inlet pipe (24), one end of the air conditioner water inlet pipe (25) is connected to the air conditioner (18), the water outlet of the air conditioner (18) is connected to the air conditioner water outlet pipe (26), and one end of the air conditioner water outlet pipe (26) away from the air conditioner (18) is connected to the interior of the groundwater drainage main pipe (27).

2. The power generation device with air conditioning function according to claim 1, characterized in that: The driving structure includes an air motor (16), the exhaust port of the air motor (16) is connected to an end of the low-pressure exhaust pipe (34) away from the heat exchanger gas phase valve (19), the outside of the air motor (16) is provided with an airtight shell (45), the air inlet of the air motor (16) is connected to a high-pressure air inlet pipe (33), the high-pressure air inlet pipe (33) and the low-pressure exhaust pipe (34) both pass through the outside of the airtight shell (45), and the air motor solenoid valve ( 14), one end of the low-pressure exhaust pipe (34) close to the pneumatic motor (16) is connected to a pressure differential sensor pipeline (40), a pressure differential sensor (15) is installed on the pressure differential sensor pipeline (40), the pressure differential sensor pipeline (40) and the end of the high-pressure intake pipe (33) away from the pneumatic motor (16) are connected, the rotating shaft of the pneumatic motor (16) is rotatably connected to the generator (17) through a coupling, and the generator (17) is threadedly connected to the interior of the airtight housing (45) by bolts.

3. The power generation device with air conditioning function according to claim 2, characterized in that: The heat collecting evaporation structure comprises a first liquid phase circulation pipe (30), wherein the first liquid phase circulation pipe (30) is connected to one end of the liquid phase working medium pipe (28) away from the liquid phase valve (4), and the one end of the first liquid phase circulation pipe (30) away from the liquid phase working medium pipe (28) is connected to a liquid storage tank (8), and the liquid storage tank (8) is provided with four pipeline connection ports, three of which are respectively connected to a second liquid phase circulation pipe (35), a liquid storage tank gas phase valve (10) and a normally open electric valve. A magnetic valve (37) is provided. One end of the second liquid phase circulation pipe (35) is connected to a working fluid heating and cooling device (7). A second tube body (44) and a first tube body (36) are installed on the working fluid heating and cooling device (7). One end of the second liquid phase circulation pipe (35) away from the liquid storage tank (8) is connected to the second tube body (44). The first tube body (36) is connected to the first liquid phase circulation pipe (30). One end of the normally open electromagnetic valve (37) away from the liquid storage tank (8) is installed with a working fluid delivery pipe (42). The interior of the working fluid delivery pipe (42) is uniformly connected to a plurality of capillaries (9). One end of the capillary tube (9) away from the working fluid delivery pipe (42) is uniformly connected to a plurality of evaporator pipes (22). The evaporator pipes (22) are installed on a solar collector panel (21). A solar panel (41) is installed on the solar collector panel (21). One end of the liquid storage tank gas phase valve (10) is connected to a bypass pipe (32). The bypass pipe (32) and one end of the evaporator exhaust pipe (22) are both connected to a steam collecting pipe (43); one end of the steam collecting pipe (43) away from the bypass pipe (32) and the evaporator exhaust pipe (22) is connected to a high-pressure steam pipe (29); one end of the high-pressure steam pipe (29) away from the steam collecting pipe (43) is connected to a pressure differential sensor pipeline (40) and a high-pressure air intake pipe (33); and a pressure accumulator (13) is installed on the high-pressure steam pipe (29).

4. The power generation device with air conditioning function according to claim 3, characterized in that: A normally closed bypass pressure relief solenoid valve (11) is installed on the bypass pipe (32), and a mechanical pressure relief valve pipeline (31) is connected on the bypass pipe (32) and at both ends of the normally closed bypass pressure relief solenoid valve (11), and a mechanical pressure relief valve (12) is installed on the mechanical pressure relief valve pipeline (31).

5. The power generation device with air conditioning function according to claim 3, characterized in that: A liquid level float switch (20) is installed in the liquid storage tank (8).

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