Double-trough concentrated thermoelectric solar photovoltaic coupling incubation system and working method

Abstract

The present invention relates to the technical field of incubation systems, and in particular to a dual-trough concentrating thermoelectric solar photovoltaic coupled incubation system and a working method, including: a dual-trough concentrating thermoelectric solar photovoltaic for performing photoelectric conversion and heating a fluid; a supersonic two-phase expansion CO2 heat pump for heating an incubation chamber; a two-phase evaporator for defrosting and performing heat exchange to enable heat exchange between the dual-trough concentrating thermoelectric solar photovoltaic and the supersonic two-phase expansion CO2 heat pump; an incubation chamber for performing constant-temperature incubation; a buffer water tank for storing the fluid and performing detection; a circulation water pump for enabling circulation heat exchange between the dual-trough concentrating thermoelectric solar photovoltaic and the buffer water tank; and a storage battery. The present invention utilizes the dual-trough concentrating thermoelectric solar photovoltaic to obtain two different kinds of heat, namely hot air and hot water, and can provide a stable incubation environment guarantee for the constant-temperature incubation system.

Description

Technical Field

[0001] The invention relates to the technical field of hatching systems, and in particular to a double-trough concentrated thermoelectric solar photovoltaic coupling hatching system and a working method. Background Art

[0002] my country's hatching industry is huge, and the production performance of the hatchery is closely related to the indoor ambient temperature and incubation temperature. For example, in the process of hatching chicks, the key link to improve the hatching rate is to control the incubation temperature, because the embryo development requires a suitable ambient temperature. If the temperature in the incubator is too high, although it can speed up the embryo development and shorten the entire incubation period, it will increase the water loss of the eggs during the incubation process, causing the weight and quality of the chicks to be affected, and even the phenomenon of the chicks' intestines being exposed will occur, which will significantly reduce the hatching rate of the eggs. Especially in the late incubation period, the eggs themselves can generate a lot of heat. If the incubation temperature is too high, the eggs will find it difficult to dissipate heat, which will significantly increase the embryo mortality rate. On the contrary, if the temperature is too low during incubation, the embryonic development of the eggs will be slow, the incubation cycle will be extended, and the hatching window will be extended, which will affect the hatching results.

[0003] Air source heat pumps are widely used due to their high efficiency, energy saving and environmental protection. However, during the operation of the heat pump unit, dust accumulation and frost increase the heat transfer resistance of the outdoor heat exchanger and reduce the heat transfer efficiency, affecting the safe and efficient operation of the air source heat pump unit and seriously hindering its promotion and application. Summary of the invention

[0004] The technical problem to be solved by the present invention is: in order to overcome the problem that dust accumulation and frost formation in the operation process of the heat pump unit in the prior art lead to increased heat exchange resistance of the outdoor heat exchanger, reduced heat exchange efficiency, affecting the safe and efficient operation of the air source heat pump unit and seriously hindering its promotion and application, a double-trough concentrated thermoelectric solar photovoltaic coupled incubation system and working method are provided.

[0005] The technical solution adopted by the present invention to solve the technical problem is: a double-trough concentrated thermoelectric solar photovoltaic coupling incubation system, which is characterized by comprising:

[0006] Double-trough concentrated thermoelectric solar photovoltaic, used for photoelectric conversion and fluid heating, double-trough concentrated thermoelectric solar photovoltaic includes double-trough composite parabolic concentrator, inner layer heat collecting tube, photoelectric conversion device and protective shell arranged in sequence from inside to outside;

[0007] A supersonic two-phase expansion CO2 heat pump is used to provide heat for an incubation room. The supersonic two-phase expansion CO2 heat pump comprises a primary booster, a CO2 mixer, a secondary booster, a supersonic two-phase expander and a gas cooler;

[0008] A two-phase evaporator is used for defrosting and heat exchange, so that heat exchange can be carried out between the double-slot concentrated thermoelectric solar photovoltaic and the supersonic two-phase expansion CO2 heat pump. The two-phase evaporator includes a fan, an atmospheric source evaporator and a heat collection source evaporator;

[0009] An incubation room, used for constant temperature incubation;

[0010] Buffer tank for storing fluid and conducting testing;

[0011] The circulating water pump enables circulating heat exchange between the double-slot concentrated thermal power solar photovoltaic and the buffer water tank;

[0012] And batteries are used to store electricity generated by the dual-trough concentrated thermal solar photovoltaic system and to provide backup power for various devices in the system.

[0013] It further includes a fan that transports the double-trough concentrated thermoelectric solar photovoltaic to the atmospheric source evaporator, the outlet of the inner layer heat collecting tube is connected to the first medium inlet of the atmospheric source evaporator, the first medium outlet of the atmospheric source evaporator is connected to the inlet of the inner layer heat collecting tube, and the double-trough concentrated thermoelectric solar photovoltaic, the fan and the atmospheric source evaporator constitute a hot air circulation heat exchange system.

[0014] It further comprises an inner layer heat collecting pipe being circulated and connected with a buffer water tank through a circulating water pump, and the double-slot concentrated thermoelectric solar photovoltaic, the buffer water tank and the circulating water pump constitute a heat collecting circulating water system.

[0015] Further including an inlet of a primary supercharger connected to a second medium outlet of an atmospheric source evaporator and a second medium outlet of a hot water source evaporator, an outlet of the primary supercharger connected to a first inlet of a CO2 mixer, a second inlet of the CO2 mixer connected to a first outlet of a supersonic two-phase expander, a second outlet of the supersonic two-phase expander connected to a second medium inlet of the atmospheric source evaporator and a second medium inlet of a hot water source evaporator, an outlet of the CO2 mixer connected to an inlet of a secondary supercharger, an outlet of the secondary supercharger connected to a first medium inlet of a gas cooler, and an inlet of the supersonic two-phase expander connected to a first medium outlet of the gas cooler;

[0016] The two-phase evaporator primary booster, CO2 mixer, secondary booster, supersonic two-phase expander and gas cooler constitute a supersonic two-phase expansion CO2 heat pump system.

[0017] It further comprises a second medium outlet of the gas cooler being connected to the hatching chamber, the hatching chamber being connected to the buffer water tank and the second medium inlet of the gas cooler respectively through a return water side pump, the buffer water tank being connected to the first medium inlet of the heat collection water source evaporator and the hatching chamber of the gas cooler respectively through a temperature control three-way valve, and the first medium outlet of the heat collection water source evaporator being connected to the buffer water tank;

[0018] The hot water circulation heat exchange system is composed of double-slot concentrated thermoelectric solar photovoltaic, circulating water pump, buffer water tank, temperature control three-way valve, heat collection water source evaporator and return water side pump.

[0019] The method further comprises installing a temperature stabilizer and multiple rows of hatching towers in the hatching room, and the hatching towers are connected in series and then in parallel.

[0020] A working method of a double-trough concentrated thermoelectric solar photovoltaic coupled incubation system, specifically as follows: the double-trough concentrated thermoelectric solar photovoltaic absorbs solar radiation, which is concentrated and reflected by a double-trough composite parabolic concentrator to a photoelectric conversion device for photoelectric conversion, and stored in a battery for backup, providing backup power for various devices in the system, while the air in the cavity is heated, and the inner layer of the heat collecting tube absorbs the heat from the back plate of the photoelectric conversion device to heat the water in the tube;

[0021] The hot air generated in the double-trough concentrated thermoelectric solar photovoltaic cavity passes through the fan to the atmospheric source evaporator to exchange heat with liquid CO2, which is used for defrosting and increasing the inlet temperature of the atmospheric source evaporator to improve the heating efficiency. The cold air with heat taken away circulates due to natural convection and returns to the double-trough concentrated thermoelectric solar photovoltaic cavity. In the heat exchange on the atmospheric source side itself, the heat passes through the atmospheric source evaporator, the primary booster, the CO2 mixer, the secondary booster, the supersonic two-phase expander, and the gas cooler to form a heat cycle. The heat on the atmospheric source side finally enters the incubation room through the pipeline next to the gas cooler, giving the incubation room a stable ambient temperature;

[0022] When the solar radiation is good, the double-trough concentrated thermoelectric solar photovoltaic photoelectric conversion device absorbs the high-power concentrated light of the double-trough compound parabolic concentrator for photoelectric conversion, and stores it in the battery for backup, providing backup power for various equipment in the system. The inner layer of the double-trough concentrated thermoelectric solar photovoltaic absorbs the back plate heat of the photoelectric conversion device to heat the water in the tube, which is circulated and heated between the buffer water tank and the heat collection circulation water pump, reducing the back plate temperature of the photoelectric conversion device to maintain its high photoelectric conversion efficiency. The hot water outlet of the inner layer of the heat collection tube enters the buffer water tank and returns to the inner layer of the heat collection tube via the heat collection circulation pump to complete the heat collection cycle.

[0023] The outlet water of the buffer water tank is judged by the temperature control three-way valve. If the outlet water temperature of the buffer water tank is lower than the heating temperature, the hot water enters the evaporator on the heat collection source side to exchange heat with the liquid CO2 and then returns to the buffer water tank. The liquid CO2 absorbs heat and circulates through the heat collection source evaporator, primary booster, CO2 mixer, secondary booster, supersonic two-phase expander, and gas cooler for heat exchange. The heat enters the incubation room and acts on the incubation tower to maintain the constant temperature incubation of the incubation tower; if the outlet water temperature of the buffer water tank is equal to or greater than the heating temperature, the hot water directly enters the temperature stabilizer to exchange heat with the air around the incubation tower to maintain the constant temperature incubation of the incubation tower and store the excess heat in the temperature stabilizer. Then the cold water enters the buffer water tank through the return water side pump for heat collection circulation;

[0024] The internal circulation refrigerant liquid CO2 in the supersonic two-phase expansion CO2 heat pump system absorbs heat through the atmospheric source evaporator and the hot water source evaporator to evaporate into saturated gas phase CO2, which is compressed by the primary supercharger to the same state as the gas phase outlet pressure of the supersonic two-phase expander. The two gas phase CO2 are mixed and adiabatically compressed by the secondary supercharger, and enter the supersonic two-phase expander after releasing heat through the gas cooler. The CO2 gas enters the supersonic nozzle in the form of a swirl through the swirl generator. The CO2 gas isentropically expands to reduce temperature and pressure to produce a low-temperature effect, and the speed increases from subsonic to At supersonic speed, part of the CO2 gas undergoes condensation phase change, and the generated CO2 droplets further grow in the gas-liquid separation section. At the same time, the liquid phase is thrown to the tube wall due to the tangential velocity and huge centrifugal effect, and enters the liquid phase outlet through the gas-liquid separation point, and then enters the two-phase evaporator for heat exchange to achieve gas-liquid separation; due to the coaxial swirl, the dry gas is located in the center of the mainstream, and after being compressed and heated and pressurized by the diffuser section, it is discharged from the gas phase outlet and mixed with the gas phase CO2 at the outlet of the primary supercharger; the gas phase CO2 adiabatically compressed by the secondary supercharger releases heat to the incubator through the gas cooler to maintain the indoor temperature;

[0025] When solar radiation is poor or the weather is bad, the supersonic two-phase expansion CO2 heat pump system and the double-trough concentrated thermal power solar photovoltaic system cannot operate or operate poorly, and the heat stored in the temperature stabilizer will be automatically released to maintain the indoor temperature.

[0026] The beneficial effects of the present invention are as follows: (1) the present invention utilizes double-trough concentrated thermoelectric solar photovoltaic to obtain two different types of heat, hot air and hot water, and can provide a stable incubation environment guarantee for the constant temperature incubation system;

[0027] (2) The present invention provides two ways to obtain constant temperature. When the supersonic two-phase expansion CO2 heat pump system stops operating, the multi-source circulating water system operates to provide a constant temperature incubation environment for the incubator; when the multi-source circulating water system stops operating, the supersonic two-phase expansion CO2 heat pump system operates to provide a constant temperature incubation environment for the incubator;

[0028] (3) The hot air generated by the double-slot concentrated thermoelectric solar photovoltaic system of the present invention enters the air source heat pump through the fan to exchange heat in the atmospheric source evaporator, which is used for defrosting and increasing the inlet temperature of the air heat exchanger of the air source heat pump to improve the heating efficiency;

[0029] (4) When the supersonic two-phase expansion CO2 heat pump and the double-trough concentrated thermoelectric solar photovoltaic are both unable to operate, the heat stored in the temperature stabilizer can be used to maintain the indoor temperature of the incubation room. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0031] Figure 1 It is a system principle diagram of the present invention;

[0032] Figure 2 It is a schematic diagram of the double-trough concentrated thermoelectric solar photovoltaic in the present invention;

[0033] Figure 3 It is a schematic diagram of a two-phase evaporator in the present invention;

[0034] Figure 4 It is a schematic diagram of the supersonic two-phase expansion CO2 heat pump system of the present invention;

[0035] Figure 5 is a schematic diagram of a supersonic two-phase expander in the present invention;

[0036] Figure 6 It is a schematic diagram of an incubation tower in the present invention.

[0037] In the figure: 1. Double-trough concentrated thermoelectric solar photovoltaic, 1-1. Double-trough compound parabolic concentrator, 1-2. Inner heat collecting tube, 1-3. Photoelectric conversion device, 1-4. Protective shell, 2. Two-phase evaporator, 2-1. Fan, 2-2. Atmospheric source evaporator, 2-3. Heat collecting water source evaporator, 3. Supersonic two-phase expansion CO2 heat pump, 3-1. Primary booster, 3-2 , CO2 mixer, 3-3, two-stage supercharger, 3-4, supersonic two-phase expander, 3-5, gas cooler, 3-4-1, swirl generator, 3-4-2, supersonic nozzle, 3-4-3, gas-liquid separation section, 3-4-4, gas-liquid separation point, 3-4-5, expansion pipe section, 3-4-6, gas phase outlet, 3-4-7, liquid phase outlet, 4, incubation room, 4-1, incubation tower, 4-2, temperature stabilizer, 5, return water side pump, 6, temperature control three-way valve, 7, buffer water tank, 8, circulating water pump, 9, battery. DETAILED DESCRIPTION

[0038] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, and therefore only show the components related to the present invention.

[0039] like Figure 1 The present invention is a schematic diagram of a double-trough concentrated thermoelectric solar photovoltaic coupled incubation system, which is characterized by comprising:

[0040] like Figure 2 As shown, the double-trough concentrated thermoelectric solar photovoltaic 1 is used for photoelectric conversion and fluid heating. The double-trough concentrated thermoelectric solar photovoltaic 1 includes a double-trough composite parabolic concentrator 1-1, an inner layer heat collecting tube 1-2, a photoelectric conversion device 1-3 and a protective shell 1-4 which are arranged in sequence from the inside to the outside;

[0041] like Figure 4 As shown, the supersonic two-phase expansion CO2 heat pump 3 is used to provide heat for the incubation chamber 4. The supersonic two-phase expansion CO2 heat pump 3 includes a primary booster 3-1, a CO2 mixer 3-2, a secondary booster 3-3, a supersonic two-phase expander 3-4 and a gas cooler 3-5;

[0042] like Figure 3 As shown, the two-phase evaporator 2 is used for defrosting and heat exchange, so that heat exchange is performed between the double-slot concentrated thermoelectric solar photovoltaic 1 and the supersonic two-phase expansion CO2 heat pump 3. The two-phase evaporator 2 includes a fan 2-1, an atmospheric source evaporator 2-2 and a hot water source evaporator 2-3;

[0043] A buffer water tank 7, used for storing fluid and conducting detection;

[0044] The circulating water pump 8 enables circulating heat exchange between the double-tank concentrated thermoelectric solar photovoltaic 1 and the buffer water tank 7;

[0045] And the storage battery 9 is used to store the electricity generated by the double-trough concentrated thermal solar photovoltaic 1 and to provide backup power for various devices in the system.

[0046] The fan 2-1 transports the double-trough concentrated thermoelectric solar photovoltaic 1 to the atmospheric source evaporator 2-2, the outlet of the inner layer heat collecting tube 1-2 is connected to the first medium inlet of the atmospheric source evaporator 2-2, the first medium outlet of the atmospheric source evaporator 2-2 is connected to the inlet of the inner layer heat collecting tube 1-2, the double-trough concentrated thermoelectric solar photovoltaic 1, the fan 2-1 and the atmospheric source evaporator 2-2 constitute a hot air circulation heat exchange system.

[0047] The inner layer heat collecting tube 1-2 is circulated and connected through the circulating water pump 8 and the buffer water tank 7, and the double-trough concentrated thermoelectric solar photovoltaic 1, the buffer water tank 7 and the circulating water pump 8 constitute a heat collecting circulating water system.

[0048] The inlet of the primary supercharger 3-1 is connected to the second medium outlet of the atmospheric source evaporator 2-2 and the second medium outlet of the hot water source evaporator 2-3, the outlet of the primary supercharger 3-1 is connected to the first inlet of the CO2 mixer 3-2, the second inlet of the CO2 mixer 3-2 is connected to the first outlet of the supersonic two-phase expander 3-4, the second outlet of the supersonic two-phase expander 3-4 is connected to the second medium inlet of the atmospheric source evaporator 2-2 and the second medium inlet of the hot water source evaporator 2-3, the outlet of the CO2 mixer 3-2 is connected to the inlet of the secondary supercharger 3-3, the outlet of the secondary supercharger 3-3 is connected to the first medium inlet of the gas cooler 3-5, and the inlet of the supersonic two-phase expander 3-4 is connected to the first medium outlet of the gas cooler 3-5;

[0049] The primary booster 3-1 of the two-phase evaporator 2, the CO2 mixer 3-2, the secondary booster 3-3, the supersonic two-phase expander 3-4 and the gas cooler 3-5 constitute a supersonic two-phase expansion CO2 heat pump system.

[0050] The second medium outlet of the gas cooler 3-5 is connected to the hatching chamber 4, and the hatching chamber 4 is connected to the buffer water tank 7 and the second medium inlet of the gas cooler 3-5 through the return water side pump 5, respectively. The buffer water tank 7 is connected to the first medium inlet of the heat collection water source evaporator 2-3 and the hatching chamber 4 of the gas cooler 3-5 through the temperature control three-way valve 6, and the first medium outlet of the heat collection water source evaporator 2-3 is connected to the buffer water tank 7;

[0051] The double-slot concentrated thermoelectric solar photovoltaic 1, the circulating water pump 8, the buffer water tank 7, the temperature control three-way valve 6, the hot water source evaporator 2-3, and the return water side pump 5 constitute a hot water circulation heat exchange system.

[0052] like Figure 1 , Figure 6 As shown, the incubation chamber 4 is used for constant temperature incubation. A temperature stabilizer 4-2 and multiple rows of incubation towers 4-1 are installed in the incubation chamber 4. The incubation towers 4-1 are connected in series and then in parallel. The incubation towers 4-1 are in a hexahedral shape. The temperature stabilizer 4-2 is a hexahedron embedded in the incubation towers 4-1 to form a whole.

[0053] A working method of a double-trough concentrated thermoelectric solar photovoltaic coupled incubation system, specifically as follows: a double-trough concentrated thermoelectric solar photovoltaic 1 absorbs solar radiation, which is concentrated and reflected by a double-trough composite parabolic concentrator 1-1 to a photoelectric conversion device 1-3 for photoelectric conversion, and is stored in a storage battery 9 for backup, providing backup power for various devices in the system, while the air in the cavity is heated, and an inner layer heat collecting tube 1-2 absorbs the heat from the back plate of the photoelectric conversion device 1-3 to heat the water in the tube;

[0054] The hot air generated in the cavity of the double-trough concentrated thermoelectric solar photovoltaic 1 passes through the fan 2-1 to the atmospheric source evaporator 2-2 to exchange heat with the liquid phase CO2, which is used for defrosting and increasing the inlet temperature of the atmospheric source evaporator 2-2 to improve the heating efficiency. The cold air with the heat taken away circulates due to natural convection and returns to the cavity of the double-trough concentrated thermoelectric solar photovoltaic 1. In the heat exchange on the atmospheric source side itself, the heat passes through the atmospheric source evaporator 2-2, the primary booster 3-1, the CO2 mixer 3-2, the secondary booster 3-3, the supersonic two-phase expander 3-4, and the gas cooler 3-5, forming a heat cycle. The heat on the atmospheric source side finally enters the incubation chamber 4 through the pipeline beside the gas cooler 3-5, giving the incubation chamber 4 a stable ambient temperature;

[0055] When the solar radiation condition is good, the photoelectric conversion device 1-3 of the double-trough concentrated thermoelectric solar photovoltaic 1 absorbs the high-power concentrated light of the double-trough compound parabolic concentrator 1-1 for photoelectric conversion, and stores it in the storage battery 9 for standby use, providing backup electricity for various equipment in the system. The inner layer heat collecting tube 1-2 of the double-trough concentrated thermoelectric solar photovoltaic 1 absorbs the back plate heat of the photoelectric conversion device 1-3 to heat the water in the tube, which is circulated and heated between the buffer water tank 7 and the heat collecting circulation water pump 8, thereby reducing the back plate temperature of the photoelectric conversion device 1-3 to maintain its high photoelectric conversion efficiency. The hot water outlet of the inner layer heat collecting tube 1-2 enters the buffer water tank 7 and returns to the inner layer heat collecting tube 1-2 via the heat collecting circulation pump to complete the heat collecting cycle.

[0056] The outlet water of the buffer water tank 7 is subjected to temperature judgment by the temperature control three-way valve 6. If the outlet water temperature of the buffer water tank 7 is lower than the heating temperature, the hot water enters the evaporator on the heat collection source side to exchange heat with the liquid CO2 and then returns to the buffer water tank 7. The liquid CO2 absorbs heat and passes through the heat collection source evaporator 2-3, the primary supercharger 3-1, the CO2 mixer 3-2, the secondary supercharger 3-3, the supersonic two-phase expander 3-4, and the gas cooler 3-5 for circulated heat exchange. The heat enters the incubation chamber 4 and acts on the incubation tower 4-1 to maintain the constant temperature incubation of the incubation tower 4-1; if the outlet water temperature of the buffer water tank 7 is equal to or greater than the heating temperature, the hot water directly enters the temperature stabilizer 4-2 to exchange heat with the air around the incubation tower 4-1 to maintain the constant temperature incubation of the incubation tower 4-1 and store the excess heat in the temperature stabilizer 4-2. Then the cold water enters the buffer water tank 7 through the return water side pump 5 for heat collection circulation;

[0057] like Figure 1 , Figure 5As shown, the internal circulation refrigerant liquid CO2 in the supersonic two-phase expansion CO2 heat pump system absorbs heat through the atmospheric source evaporator 2-2 and the hot water source evaporator 2-3 to evaporate into saturated gas phase CO2, which is compressed by the primary booster 3-1 to the same pressure as the gas phase outlet 3-4-6 of the supersonic two-phase expander 3-4. The two gas phase CO2 are mixed and adiabatically compressed by the secondary booster 3-3, and enter the supersonic two-phase expander 3-4 after releasing heat through the gas cooler 3-5. The CO2 gas enters the supersonic nozzle 3-4-2 in the form of a swirl through the swirl generator 3-4-1. CO2 The isentropic expansion of the gas, the cooling and pressure reduction, produces a low-temperature effect, the speed increases from subsonic to supersonic, part of the CO2 gas undergoes a condensation phase change, and the generated CO2 droplets further grow in the gas-liquid separation section 3-4-3. At the same time, the liquid phase is thrown to the tube wall due to the tangential velocity and the huge centrifugal effect, and enters the liquid phase outlet 3-4-7 through the gas-liquid separation point 3-4-4, and then enters the two-phase evaporator 2 for heat exchange to achieve gas-liquid separation; due to the coaxial swirl, the dry gas is in the center of the mainstream, and after being compressed, heated and pressurized by the expansion section 3-4-5, it is discharged from the gas phase outlet 3-4-6 and mixed with the gas phase CO2 at the outlet of the primary supercharger 3-1; the gas phase CO2 adiabatically compressed by the secondary supercharger 3-3 releases heat to the incubation chamber 4 through the gas cooler 3-5 to maintain the indoor temperature;

[0058] When the solar radiation is poor or the weather is bad, the supersonic two-phase expansion CO2 heat pump system and the double-trough concentrated thermoelectric solar photovoltaic 1 cannot operate or operate poorly, and the heat stored in the temperature stabilizer 4-2 will be automatically released to maintain the indoor temperature.

[0059] Based on the above ideal embodiments of the present invention, the relevant staff can make various changes and modifications without departing from the technical concept of the present invention through the above description. The technical scope of the present invention is not limited to the contents of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A dual-trough concentrated thermoelectric solar photovoltaic coupling incubation system, characterized in that: include: A double-trough concentrated thermoelectric solar photovoltaic (1) is used for photoelectric conversion and fluid heating, wherein the double-trough concentrated thermoelectric solar photovoltaic (1) comprises a double-trough composite parabolic concentrator (1-1), an inner layer heat collecting tube (1-2), a photoelectric conversion device (1-3) and a protective shell (1-4) arranged in sequence from the inside to the outside; A supersonic two-phase expansion CO2 heat pump (3) is used to supply heat to an incubation chamber (4). The supersonic two-phase expansion CO2 heat pump (3) comprises a primary booster (3-1), a CO2 mixer (3-2), a secondary booster (3-3), a supersonic two-phase expander (3-4) and a gas cooler (3-5). The inlet of the primary booster (3-1) is connected to a second medium outlet of an atmospheric source evaporator (2-2) and a second medium outlet of a hot water source evaporator (2-3). The outlet of the primary booster (3-1) is connected to a first inlet of the CO2 mixer (3-2). The CO2 mixer (3-3) is connected to a second medium outlet of an atmospheric source evaporator (2-2). The second inlet of the flow device (3-2) is connected to the first outlet of the supersonic two-phase expander (3-4), the second outlet of the supersonic two-phase expander (3-4) is connected to the second medium inlet of the atmospheric source evaporator (2-2) and the second medium inlet of the hot water source evaporator (2-3), the outlet of the CO2 mixer (3-2) is connected to the inlet of the secondary supercharger (3-3), the outlet of the secondary supercharger (3-3) is connected to the first medium inlet of the gas cooler (3-5), and the inlet of the supersonic two-phase expander (3-4) is connected to the first medium outlet of the gas cooler (3-5); A two-phase evaporator (2) is used for defrosting and performing heat exchange, so that heat exchange is performed between the double-trough concentrated thermoelectric solar photovoltaic (1) and the supersonic two-phase expansion CO2 heat pump (3). The two-phase evaporator (2) comprises a fan (2-1), an atmospheric source evaporator (2-2) and a hot water source evaporator (2-3). The two-phase evaporator (2), a primary booster (3-1), a CO2 mixer (3-2), a secondary booster (3-3), a supersonic two-phase expander (3-4) and a gas cooler (3-5) constitute a supersonic two-phase expansion CO2 heat pump system. An incubation chamber (4), used for constant temperature incubation; A buffer water tank (7), used for storing fluid and performing testing; A circulating water pump (8) enables circulating heat exchange between the double-trough concentrated thermoelectric solar photovoltaic (1) and the buffer water tank (7); And a storage battery (9) for storing electricity generated by the double-trough concentrated thermal solar photovoltaic (1) and for providing backup power for various devices in the system.

2. The double-trough concentrated thermoelectric solar photovoltaic coupling incubation system according to claim 1, characterized in that: The fan (2-1) transports the hot air generated in the cavity of the double-trough concentrated thermoelectric solar photovoltaic (1) to the atmospheric source evaporator (2-2); the outlet of the inner layer heat collecting tube (1-2) is connected to the first medium inlet of the atmospheric source evaporator (2-2); the first medium outlet of the atmospheric source evaporator (2-2) is connected to the inlet of the inner layer heat collecting tube (1-2); the double-trough concentrated thermoelectric solar photovoltaic (1), the fan (2-1) and the atmospheric source evaporator (2-2) constitute a hot air circulation heat exchange system.

3. The double-trough concentrated thermoelectric solar photovoltaic coupling incubation system according to claim 1, characterized in that: The inner layer heat collection tubes (1-2) are circulated and connected via a circulating water pump (8) and a buffer water tank (7); the double-trough concentrated thermoelectric solar photovoltaic (1), the buffer water tank (7) and the circulating water pump (8) constitute a heat collection circulating water system.

4. The double-trough concentrated thermoelectric solar photovoltaic coupling incubation system according to claim 1, characterized in that: The second medium outlet of the gas cooler (3-5) is connected to the hatching chamber (4); the hatching chamber (4) is connected to the buffer water tank (7) and the second medium inlet of the gas cooler (3-5) respectively through the return water pump (5); the buffer water tank (7) is connected to the first medium inlet of the heat collection water source evaporator (2-3) and the hatching chamber (4) of the gas cooler (3-5) respectively through the temperature control three-way valve (6); the first medium outlet of the heat collection water source evaporator (2-3) is connected to the buffer water tank (7); The double-trough concentrated thermoelectric solar photovoltaic (1), circulating water pump (8), buffer water tank (7), temperature control three-way valve (6), hot water collection source evaporator (2-3), and return water side pump (5) constitute a hot water circulation heat exchange system.

5. The double-trough concentrated thermoelectric solar photovoltaic coupling incubation system according to claim 1, characterized in that: A temperature stabilizer (4-2) and multiple rows of hatching towers (4-1) are installed in the hatching chamber (4), and the hatching towers (4-1) are first connected in series and then in parallel.

6. A working method of a dual-trough concentrated thermoelectric solar photovoltaic coupling incubation system, characterized in that: Specifically, the hot air generated in the cavity of the double-trough concentrated thermoelectric solar photovoltaic (1) passes through the fan (2-1) to the atmospheric source evaporator (2-2) to exchange heat with liquid CO2, which is used for defrosting and increasing the inlet temperature of the atmospheric source evaporator (2-2) to improve the heating efficiency. The cold air whose heat is taken away circulates due to natural convection and returns to the cavity of the double-trough concentrated thermoelectric solar photovoltaic (1). In the heat exchange on the atmospheric source side itself, the heat passes through the atmospheric source evaporator (2-2), the primary booster (3-1), the CO2 mixer (3-2), the secondary booster (3-3), the supersonic two-phase expander (3-4), and the gas cooler (3-5), forming a heat cycle. The heat on the atmospheric source side finally enters the incubation chamber (4) through the pipe beside the gas cooler (3-5), providing the incubation chamber (4) with a stable ambient temperature. When the solar radiation condition is good, the photoelectric conversion device (1-3) of the double-trough concentrated thermoelectric solar photovoltaic (1) absorbs the high-power concentrated light of the double-trough compound parabolic concentrator (1-1) to perform photoelectric conversion, and stores it in the storage battery (9) for backup, providing backup power for various equipment in the system. The inner layer heat collecting tube (1-2) of the double-trough concentrated thermoelectric solar photovoltaic (1) absorbs the back plate heat of the photoelectric conversion device (1-3) to heat the water in the tube, which is circulated and heated between the buffer water tank (7) and the heat collecting circulation water pump (8), thereby reducing the back plate temperature of the photoelectric conversion device (1-3) to maintain its high photoelectric conversion efficiency. The hot water outlet of the inner layer heat collecting tube (1-2) enters the buffer water tank (7) and returns to the inner layer heat collecting tube (1-2) via the heat collecting circulation pump to complete the heat collecting cycle. The outlet water of the buffer water tank (7) is subjected to temperature determination by a temperature-controlled three-way valve (6). If the outlet water temperature of the buffer water tank (7) is lower than the heating temperature, the hot water enters the evaporator on the heat collection water source side to exchange heat with the liquid CO2 and then returns to the buffer water tank (7). The liquid CO2 absorbs heat and circulates through the heat collection water source evaporator (2-3), the primary booster (3-1), the CO2 mixer (3-2), the secondary booster (3-3), the supersonic two-phase expander (3-4), and the gas cooler (3-5). Circular heat exchange, heat enters the incubation chamber (4) and acts on the incubation tower (4-1) to maintain the constant temperature incubation of the incubation tower (4-1); if the outlet water temperature of the buffer water tank (7) is equal to or greater than the heating temperature, the hot water directly enters the temperature stabilizer (4-2) and exchanges heat with the surrounding air of the incubation tower (4-1) to maintain the constant temperature incubation of the incubation tower (4-1) and store excess heat in the temperature stabilizer (4-2), and then cold water enters the buffer water tank (7) through the return water side pump (5) for heat collection circulation; When the solar radiation is poor or the weather is bad, the supersonic two-phase expansion CO2 heat pump (3) and the double-trough concentrated thermal power solar photovoltaic (1) cannot operate or operate poorly, and the heat stored in the temperature stabilizer (4-2) is automatically released to maintain the indoor temperature.

Images