CN108800605A - A kind of solar energy heat collection pipe and thermo-electric generation system - Google Patents
A kind of solar energy heat collection pipe and thermo-electric generation system Download PDFInfo
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- CN108800605A CN108800605A CN201810615306.6A CN201810615306A CN108800605A CN 108800605 A CN108800605 A CN 108800605A CN 201810615306 A CN201810615306 A CN 201810615306A CN 108800605 A CN108800605 A CN 108800605A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N11/00—Generators or motors not provided for elsewhere; Alleged perpetua mobilia obtained by electric or magnetic means
- H02N11/002—Generators
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Abstract
The invention discloses a kind of solar energy thermo-electric generation systems, including：Solar energy heat collector, temperature difference electricity generation device and heat-storing device.Solar radiation is changed into thermal energy by solar energy heat collector, provides heat to temperature difference electricity generation device, and after-heat is stored in heat-storing device.In the absence of sunlight, from heat-storing device to temperature difference electricity generation device heat supply, it is achieved in continuous power generation.The invention also discloses a kind of solar energy heat collection pipe, including glass tube, pipe lid and the linear Fresnel lens being placed in glass tube, absorber plate, heat-transfer pipe, heat-transfer pipe heat insulation layer.During the present invention obtains in such a way that cost is cheaper low-temperature solar and steadily be used for heat to electricity conversion, have preferable economy.
Description
Technical field
The present invention relates to a kind of solar energy heat collection pipes and solar energy thermo-electric generation system, belong to solar energy generation technology neck
Domain.
Background technology
With being constantly progressive for solar energy generation technology, solar energy has become a kind of important power source form, and day
Benefit is paid attention to by countries in the world.There are mainly two types of modes for solar power generation：Photovoltaic generation and photo-thermal power generation, both have reached
The level of large-scale grid connection power generation.Existing photo-thermal power generation technology is similar to coal fired power generation, and high temperature is obtained by Salar light-gathering
For generating steam, to which pushing turbine does work.Solar energy thermo-electric generation is using the Seebeck effect of thermoelectric material by the sun
Energy thermal transition is electric energy, does not need the power cycle equipment of existing photo-thermal power generation unit, therefore, there is movement-less part, nothing to make an uproar
Sound is easy micromation, the advantages that easily controllable, reliability is high, long lifespan.In recent years, thermoelectric material technology is flourishing, and commercialization is answered
With tremendous development is obtained, in conjunction with existing solar energy heating technology, the novel solar hair with potential competition power can be formed
Power technology.
It is not high in view of the performance of existing thermoelectric material, thermo-electric generation it is less efficient, be not enough in terms of generating efficiency
It is mutually competed with photovoltaic or Photospot solar hot generation technology.But thermo-electric generation can utilize in low-temperature solar generate electricity, in it is low
Temperature solar heat is easy to obtain, and corresponding thermoelectric material is also very ripe, can from the price angle of per unit generated output
To form certain advantage.Problem of the existing technology is, using the solar energy heating technology of not optically focused, such as：It is glass evacuated
Thermal-collecting tube, flat plate collector, heat-collecting temperature are usually less than 150 DEG C, less than (200 DEG C conventional of thermo-electric generation optimum working temperature
Or more), further increasing heat-collecting temperature, it will cause collecting efficiencies drastically to decline, and economics of power generation is poor.Too using high temperature
The spot mode of positive energy heat power generation, such as：Slot type, tower, dish-style need complicated light and heat collection system, cost too high.Therefore,
In being obtained in such a way that cost is cheaper low-temperature solar and steadily be used for heat to electricity conversion be asking for current urgent need to resolve
Topic.
Invention content
In view of the above technical problems, the present invention provides a kind of solar energy heat collection pipe and solar energy thermo-electric generation systems.
One aspect of the present invention provides a kind of solar energy heat collection pipe, including tube body and the Fresnel in tube body
Lens, absorber plate and heat-transfer pipe, wherein Fresnel Lenses are suspended in above absorber plate, and sunlight focuses on suction by Fresnel Lenses
On hot plate, solar radiation energy is converted to heat by absorber plate, to low-temperature solar in acquisition.
Preferably, the Fresnel Lenses is linear Fresnel lens.Preferably, the optically focused of the linear Fresnel lens
Than being 5 or more, the width of absorber plate can be suitably larger than the optically focused bandwidth of linear Fresnel lens formation, to reduce solar tracking
Required precision, to simplify tracks of device.
Further, the tube body of solar energy heat collection pipe of the invention includes glass tube and Guan Gai, and further, glass tube is only
One end open, open end are sealed by pipe lid, are evacuated in glass tube, and vacuum cavity is formed.Fresnel Lenses is placed in very
Environmental aging effect can be reduced in empty glass tube, and by the wind drying is not disturbed.
Further, the absorber plate of solar energy heat collection pipe of the invention has solar selectively absorbing coating on one side, separately
On one side with heat transfer pipe contacts, it is preferred that can be welded with heat-transfer pipe.Sunlight focusing is dealt into absorber plate too by linear Fresnel lens
On positive energy coating for selective absorption, absorber plate absorbs solar radiation energy by solar selectively absorbing coating and is converted to heat
Amount, passes to the heat transfer medium in heat-transfer pipe.
Further, the inlet and outlet of heat-transfer pipe passes through pipe lid, and protruded tube is external, passes through heat transfer medium in heat-transfer pipe
Outside the heat outflow thermal-collecting tube that absorber plate is collected in flowing.Further, absorber plate, heat-transfer pipe are made of metal material, preferably
It is made of the good metal material of the thermal conductivity such as copper, aluminium.Further, it is also wrapped up by heat-transfer pipe heat insulation layer, for passing outside heat-transfer pipe
The thermal insulation of heat pipe.
Another aspect of the present invention provides a kind of solar energy thermo-electric generation system, including solar energy heat collector and the temperature difference
Power generator, wherein solar energy heat collector include the solar energy heat collection pipe of one or more present invention, the solar energy collection
Thermal converts solar radiation into heat, passes to temperature difference electricity generation device, and electric energy is further converted to by temperature difference heat generating device.
Further, solar energy heat collector of the invention further includes mounting bracket, and the solar energy heat collection pipe is mounted on
In mounting bracket, the mounting bracket is equipped with rotating mechanism, and rotating mechanism can make solar energy heat collection pipe axial rotation track the sun
Light.
Further, temperature difference electricity generation device of the invention includes plate-fin heat exchanger, temperature-difference power generation module and water cooling equipment,
Middle plate-fin heat exchanger is flat structure, and upper and lower two heat exchange plane is contacted with temperature-difference power generation module, transfers heat to the temperature difference
The hot junction of electricity generation module makes hot junction keep higher temperature.Water cooling equipment is contacted with the cold end of temperature-difference power generation module, reduces cold end
Temperature.Further, there is heat-barrier material between temperature-difference power generation module.
Further, temperature difference electricity generation device of the invention further includes side heat insulation layer, and side heat insulation layer is wrapped in plate wing and changes
Plate-fin heat exchanger side thermal loss is reduced in hot device both sides.
The temperature-difference power generation module of the present invention can utilize the thermo-electric generation in hot junction and cold end, by a part of heat in heat transfer medium
Amount is converted to electric energy, can be the commercialization thermoelectric generation film of routine, it is preferred that can be the thermoelectric generation film of Bi2Te3 materials.
Further, water cooling equipment of the invention is water cooling bag, and wherein water cooling bag connect with water pump and cooling tower, formed back
Road, cooling water recycle under the driving of water pump between water cooling bag and cooling tower, and cooling tower is ultimate heat sink.
Further, solar energy thermo-electric generation system of the invention includes one or more groups of temperature difference electricity generation devices, preferably
Two groups or more.Further, the plate-fin heat exchanger outlet of multiple temperature difference electricity generation devices is connect after collecting with pipeline.
Further, solar energy thermo-electric generation system of the invention further includes power inverter, and power inverter connects
Temperature-difference power generation module is connect, the electric energy that temperature difference electricity generation device exports is converted into the pattern of user's needs.
Further, solar energy thermo-electric generation system of the invention further includes energy storage device, the energy storage device, solar energy
Heat collector is connected with temperature difference electricity generation device by pipeline, forming circuit.Further, energy storage device include high pressure water tank and
Heat exchanger, heat exchanger are placed in high pressure water tank, can pass through high pressure by the heat transfer of heat transfer medium in heat exchanger to high pressure water
Water carries out energy storage.Further, solar energy thermo-electric generation system of the invention may include the heat-storing device of multigroup parallel connection, preferably
For two groups or more.Further, the heat exchanger exit of the heat-storing device of multiple parallel connections is connect after collecting with pipeline.
Further, solar energy thermo-electric generation system of the invention further includes bypass duct and valve, the bypass duct
Around solar energy heat collector, it is directly connected to heat-storing device and temperature difference electricity generation device, the heat transfer in the controllable tubing giving sufficient strength of valve
Whether medium flows through solar energy heat collector.Preferably, the valve is the three-way valve being arranged in bypass duct port, is passed through
Whether the heat transfer medium in the controllable tubing giving sufficient strength of switching three-way valve flows through solar energy heat collector.
Further, solar energy thermo-electric generation system of the invention further includes circulating pump, and circulating pump is arranged on pipeline, can
Driving heat transfer medium circulates in the duct.
When solar energy thermo-electric generation system work of the present invention, thermal-collecting tube tracks sunlight, and solar radiant energy is changed into heat
Can, wherein linear Fresnel lens are by solar light focusing to absorber plate, the solar selectively absorbing coating absorption on absorber plate
Solar radiation energy is converted to heat transfer to absorber plate, and absorber plate is by heat-transfer pipe by heat to heat transfer medium, heat transfer medium
Plate-fin heat exchanger under the driving of circulating pump constantly into temperature difference electricity generation device provides heat, and after-heat passes through high pressure water storage
The hot junction face of heat exchanger transfer water supply in case, temperature-difference power generation module is heated by plate-fin heat exchanger, and cold end face is cooled down by water cooling bag,
Water cooling bag provides cooling water by water pump, and cooling tower is ultimate heat sink.In the period of not sunlight, switch valve makes heat transfer medium
Around thermal-collecting tube, heat is provided for temperature difference electricity generation device by high pressure water tank, continuous power generation in 24 hours thus can be realized, reduce system
System cost.
The present invention utilizes linear Fresnel lens low-temperature solar in glass tube with vacuum inner focusing, acquisition, then leads to
Thermo-electric generation is crossed, compared with prior art, can get higher solar heat, thermo-electric generation efficiency higher.
Description of the drawings
Fig. 1 is a kind of solar energy thermo-electric generation system schematic；
Fig. 2 is thermal-collecting tube vertical section schematic diagram；
Fig. 3 is thermal-collecting tube cross-sectional view；
Fig. 4 is temperature difference electricity generation device cross-sectional view；
Wherein：
1- solar energy heat collection pipes, 2- mounting brackets, 3- temperature difference electricity generation devices, 4- high pressure water tanks, 5- heat exchangers, 6- cycles
Pump, 7- three-way valves, 8- water pumps, 9- cooling towers, 10- power inverters, 11- glass tubes, 12- linear Fresnel lens, 13-
Absorber plate, 14- heat-transfer pipes, 15- heat-transfer pipe heat insulation layers, 16- pipe lids, 31- plate-fin heat exchangers, 32- temperature-difference power generation modules, 33- water
Cold bag, the sides 34- heat insulation layer.
Specific implementation mode
Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate the present invention
Rather than it limits the scope of the invention.In addition, it should also be understood that, after having read present disclosure, those skilled in the art can
To be made various changes or modifications to the present invention, such equivalent forms equally fall within the scope of the present invention.
As shown in Figure 1, in one embodiment of the invention, solar energy thermo-electric generation system includes solar energy heating dress
It sets, temperature difference electricity generation device 3 and heat-storing device, wherein solar energy heat collector, temperature difference electricity generation device 3 and heat-storing device pass through pipeline
It is linked in sequence, is formed into a loop, heat transfer medium can be by pipeline in solar energy heat collector, temperature difference electricity generation device 3 and heat-storing device
Between circulate, transmit heat.Bypass duct is additionally provided in solar energy thermo-electric generation system, bypass duct bypasses solar energy heating
Device is directly connected to temperature difference electricity generation device 3 and heat-storing device.In the present embodiment, the entrance of bypass duct is equipped with three-way valve 7,
Whether solar energy heat collector is flowed through by the heat transfer medium in 7 controllable tubing giving sufficient strength of switching three-way valve.In the other of the present invention
In embodiment, other manner, such as the cooperation control of multiple common valves by being arranged on different pipelines can also be used
The flow direction of heat transfer medium processed.
As shown in Figure 1, further including circulating pump 6 in solar energy thermo-electric generation system, circulating pump 6 is arranged on pipeline, can drive
Dynamic heat transfer medium circulates in the duct.In the present embodiment, circulating pump 6 goes out between three-way valve 7 and heat-storing device
Mouth is connected with the entrance of three-way valve 7.It is understood by one of ordinary skill in the art that the position of circulating pump is not limited in the present invention
This, as long as heat transfer medium can be driven to circulate in the duct.
Solar energy heat collector includes mounting bracket 2 and the solar energy heat collection pipe 1 that is fixed in mounting bracket 2, wherein pacifying
Dress holder 2 matches the rotating mechanism for being useful for axial-rotation solar energy heat collection pipe 1, in use, rotation rotating mechanism can make solar energy
1 axial-rotation of thermal-collecting tube tracks sunlight.In the present invention, solar energy heat collector may include one or more solar energy heatings
Pipe.
As shown in Fig. 2, solar energy heat collection pipe 1 includes tube body and the linear Fresnel lens 12, the absorber plate that are placed in tube body
13, heat-transfer pipe 14 and heat-transfer pipe heat insulation layer 15.Its middle tube body includes glass tube 11 and pipe lid 16, the only one end open of glass tube 11,
Open end is sealed by pipe lid 16, and glass tube 11 is evacuated, and forms vacuum cavity.Linear Fresnel lens 12 are suspended in suction
13 top of hot plate, absorber plate 13 have solar selectively absorbing coating, another side to be welded with heat-transfer pipe 14 on one side, absorber plate 13
It can be made, such as can be made of metal materials such as copper, aluminium of the good metal material of thermal conductivity with heat-transfer pipe 14.14 outsourcing of heat-transfer pipe
It is wrapped with heat-transfer pipe heat insulation layer 15, is used for the thermal insulation of heat-transfer pipe 14.The inlet and outlet of heat-transfer pipe 14 passes through pipe lid 16, stretches out glass
Pipe 11 is outer to be connected with pipeline.Import of the heat transfer medium through heat-transfer pipe flows into, and outlet outflow passes the heat in solar energy heat collection pipe
Go out.When solar energy heat collector includes multiple solar energy heat collection pipes, pipeline connects the heat transfer of solar energy heat collection pipe with parallel way
Pipe import, heat-transfer pipe outlet are connect with parallel way with pipeline after collecting.
As shown in figure 3, the solar selectively that sunlight focuses on absorber plate 13 by linear Fresnel lens 12 absorbs painting
On layer, absorber plate 13 absorbs solar radiation energy by solar selectively absorbing coating and is converted to heat, and heat passes through biography
Heat pipe 14 passes to the heat transfer medium in heat-transfer pipe 14.Preferably, the linear Fresnel lens employed in solar energy heat collection pipe 1
12 focusing ratio is 5 or more, and the width of absorber plate 13 can be suitably larger than the optically focused bandwidth of the formation of linear Fresnel lens 12, with
Reduce solar tracking required precision.
As shown in figure 4, temperature difference electricity generation device includes that plate-fin heat exchanger 31, temperature-difference power generation module 32, water cooling bag 33, side are exhausted
Thermosphere 34, wherein plate-fin heat exchanger 31 are flat structure, and upper and lower two heat exchange plane is contacted with temperature-difference power generation module 32, is passed
When thermal medium is flowed through from plate-fin heat exchanger 31, the hot junction of temperature-difference power generation module 32 is transferred heat to, hot junction is made to keep higher
Temperature.31 both sides of plate-fin heat exchanger can wrap up side heat insulation layer 34, reduce 31 side thermal loss of plate-fin heat exchanger.
Temperature-difference power generation module 32 converts heat to electric energy using the thermo-electric generation in hot junction and cold end, in of the invention, the temperature difference
Electricity generation module 32 can be the commercialization thermoelectric generation film of routine, such as the thermoelectric generation film of Bi2Te3 materials can be selected.Such as Fig. 4 institutes
Showing, the hot junction face of temperature-difference power generation module 32 is contacted with heat exchanger 31, is heated by heat exchanger 31, and cold end face is contacted with water cooling bag 33,
It is cooled down by water cooling bag 33, there is heat-barrier material between temperature-difference power generation module.
As shown in Figure 1, water cooling bag 33 is connect with water pump 8 and cooling tower 9, forming circuit, cooling water is under the driving of water pump 8
It is recycled between water cooling bag 33 and cooling tower 9, cooling tower 9 is ultimate heat sink.
The solar energy thermo-electric generation system of the present invention may also include power inverter 10, and power inverter 10 connects temperature
The electric energy that temperature difference electricity generation device 3 exports can be converted into the pattern of user's needs by poor electricity generation module 32.In the present invention, solar energy
Thermo-electric generation system may include the temperature difference electricity generation device 3 of one or more groups of parallel connections, preferably two groups or more；Work as the sun
When energy temperature difference electricity generation device includes the temperature difference electricity generation device of multigroup parallel connection, the plate-fin heat exchanger outlet of multiple temperature difference electricity generation devices converges
It is connect with heat-storing device by pipeline after collection.
Heat-storing device includes high pressure water tank 4 and heat exchanger 5.Heat exchanger 5 is placed in high pressure water tank 4, heat transfer medium stream
When through heat exchanger 5, high pressure water can be transferred heat to, to store remaining heat by high pressure water.In the present invention, solar energy
Thermo-electric generation system may include the heat-storing device of one or more groups of parallel connections, preferably two groups or more.When including multiple
When the heat-storing device of parallel connection, the heat exchanger exit of multiple heat-storing devices collects to be connect with pipeline afterwards.
It is connected by pipeline between each equipment of solar energy thermo-electric generation system of the present invention, needs is controlled according to system,
The equipment such as valve, instrument can be also arranged on pipeline.May also include in solar energy thermo-electric generation system auxiliary equipment, electrical system,
Control system etc..
The specific implementation step of solar energy thermo-electric generation system provided in this embodiment is as follows：
In the case where there is solar irradiation, solar energy heat collection pipe 1 axially revolves under the action of the driving mechanism of mounting bracket 2
Turn tracking sunlight, linear Fresnel lens 12 are by solar light focusing to absorber plate 13, the solar selectively on absorber plate 13
Absorber coatings absorb solar radiation energy and are converted into heat, and heat is transmitted to heat transfer medium by heat-transfer pipe 14, and heat transfer medium exists
Plate-fin heat exchanger 31 under the driving of circulating pump 6 constantly into temperature difference electricity generation device 3 provides heat, and heat transfer medium after-heat is logical
The heat exchanger 5 crossed in high pressure water tank 4 transmits water supply.The hot junction one side of temperature-difference power generation module 32 is heated by plate-fin heat exchanger 31,
Such as：200 DEG C are heated to, cold end one side will be cooled down by water cooling bag 33, such as：To 35 DEG C, water cooling bag 33 provides cooling by water pump 8
Water, cooling tower 9 are ultimate heat sink.
In the period of not solar irradiation, switching three-way valve 7, heat transfer medium bypasses thermal-collecting tube 1, in heat-storing device and temperature
It is recycled between poor power generator, is that temperature difference electricity generation device 3 provides heat by high pressure water tank 4, thus can realize continuous power generation.Temperature
Poor electricity generation module 32 selects the thermoelectric generation film of most widely used Bi2Te3 materials, using the thermo-electric generation in hot junction and cold end,
The electric energy of output is converted into the power mode of user's needs by power inverter 10.
The above, only presently preferred embodiments of the present invention, not to the present invention in any form with substantial limitation,
It should be pointed out that for those skilled in the art, under the premise of not departing from the method for the present invention, can also make
Several improvement and supplement, these are improved and supplement also should be regarded as protection scope of the present invention.All those skilled in the art,
Without departing from the spirit and scope of the present invention, when made using disclosed above technology contents it is a little more
Dynamic, modification and the equivalent variations developed, are the equivalent embodiment of the present invention；Meanwhile all substantial technologicals pair according to the present invention
The variation, modification and evolution of any equivalent variations made by above-described embodiment, still fall within the range of technical scheme of the present invention
It is interior.
Claims (10)
1. a kind of solar energy heat collection pipe, including tube body, absorber plate and heat-transfer pipe in tube body, the absorber plate and heat-transfer pipe
Contact, the inlet and outlet protruded tube of heat-transfer pipe are external, which is characterized in that and further include Fresnel Lenses in tube body, the phenanthrene alunite
Your lens are suspended in above absorber plate.
2. solar energy heat collection pipe as described in claim 1, which is characterized in that the Fresnel Lenses is that linear Fresnel is saturating
Mirror, focusing ratio are more than 5.
3. solar energy heat collection pipe as described in claim 1, which is characterized in that the absorber plate is metal material.
4. solar energy heat collection pipe as described in claim 1, which is characterized in that the heat-transfer pipe is wrapped with heat insulation layer.
5. a kind of solar energy thermo-electric generation system, including solar energy heat collector and temperature difference electricity generation device, the solar energy heating
Device is connect with temperature difference electricity generation device, transmits heat to temperature difference electricity generation device, which is characterized in that the solar energy heat collector packet
Include the solar energy heat collection pipe described in claim 1-4 any one.
6. solar energy thermo-electric generation system as claimed in claim 5, which is characterized in that the solar energy heat collector further includes
Mounting bracket, the solar energy heat collection pipe are mounted in mounting bracket, and the mounting bracket, which is equipped with, can make solar energy heat collection pipe axis
To the rotating mechanism of rotation.
7. solar energy thermo-electric generation system as claimed in claim 5, which is characterized in that further include energy storage device, the energy storage
Device, solar energy heat collector and temperature difference electricity generation device are connected by pipeline.
8. solar energy thermo-electric generation system as claimed in claim 7, which is characterized in that the energy storage device includes high pressure water storage
Case and heat exchanger, heat exchanger are placed in high pressure water tank.
9. solar energy thermo-electric generation system as claimed in claim 8, which is characterized in that the solar energy thermo-electric generation system is also
Including bypass duct and valve, the bypass duct bypasses solar energy heat collector, is directly connected to heat-storing device and thermo-electric generation
Whether device, the heat transfer medium in the controllable tubing giving sufficient strength of valve flow through solar energy heat collector.
10. solar energy thermo-electric generation system as claimed in claim 5, which is characterized in that the thermo-electric generation sub-device includes
Thermoelectric generation film, plate-fin heat exchanger and water cooling bag, the thermoelectric power generation and cold end contact plate-fin heat exchanger and water respectively
Cold bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810615306.6A CN108800605A (en) | 2018-06-14 | 2018-06-14 | A kind of solar energy heat collection pipe and thermo-electric generation system |
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|---|---|---|---|
| CN201810615306.6A CN108800605A (en) | 2018-06-14 | 2018-06-14 | A kind of solar energy heat collection pipe and thermo-electric generation system |
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Family
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| CN110690833A (en) * | 2019-10-30 | 2020-01-14 | 哈尔滨工业大学 | Design method of solar thermoelectric power generation system based on heat pipe heat conduction |
| CN112688592A (en) * | 2020-12-16 | 2021-04-20 | 四川大学 | Uninterrupted photovoltaic power generation system used in high day and night temperature difference environment |
| CN113217311A (en) * | 2021-04-25 | 2021-08-06 | 华北电力大学 | Photo-thermal power generation system and method based on day and night temperature difference |
| CN114584003A (en) * | 2022-02-24 | 2022-06-03 | 哈尔滨工业大学 | Lunar base energy supply system based on solar energy and lunar in-situ resource utilization |
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| CN208688009U (en) * | 2018-06-14 | 2019-04-02 | 上海发电设备成套设计研究院有限责任公司 | A kind of solar energy heat collection pipe and solar energy thermo-electric generation system |
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| CN110690833A (en) * | 2019-10-30 | 2020-01-14 | 哈尔滨工业大学 | Design method of solar thermoelectric power generation system based on heat pipe heat conduction |
| CN112688592A (en) * | 2020-12-16 | 2021-04-20 | 四川大学 | Uninterrupted photovoltaic power generation system used in high day and night temperature difference environment |
| CN113217311A (en) * | 2021-04-25 | 2021-08-06 | 华北电力大学 | Photo-thermal power generation system and method based on day and night temperature difference |
| CN114584003A (en) * | 2022-02-24 | 2022-06-03 | 哈尔滨工业大学 | Lunar base energy supply system based on solar energy and lunar in-situ resource utilization |
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