CN110726321A - Phase change energy storage and supply system utilizing large temperature difference between day and night on lunar surface - Google Patents
Phase change energy storage and supply system utilizing large temperature difference between day and night on lunar surface Download PDFInfo
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- CN110726321A CN110726321A CN201910932179.7A CN201910932179A CN110726321A CN 110726321 A CN110726321 A CN 110726321A CN 201910932179 A CN201910932179 A CN 201910932179A CN 110726321 A CN110726321 A CN 110726321A
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- pressure
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- buffer container
- pressure buffer
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
- F28D20/02—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using latent heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/10—Adaptations for driving, or combinations with, electric generators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D17/00—Regulating or controlling by varying flow
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
- F16L59/029—Shape or form of insulating materials, with or without coverings integral with the insulating materials layered
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/08—Means for preventing radiation, e.g. with metal foil
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
Abstract
A phase change energy storage and supply system utilizing the large temperature difference of the lunar surface at day and night comprises a non-heat insulation storage tank, low-temperature working medium is filled in the non-heat insulation storage tank, an outlet of the non-heat insulation storage tank is connected with an inlet of the heat insulation storage tank through a connecting pipeline, a first stop valve is arranged on the connecting pipeline, the outlet of the heat insulation storage tank is connected with an inlet of a first pressure buffer container through a second stop valve and a first pressure regulating valve, an outlet of the first pressure buffer container is connected with an inlet of an expander through a third stop valve and a flow regulating valve, the expander is connected with a power generation device, an outlet of the expander is connected with an inlet of a second pressure buffer container through a throttle valve and a fourth stop valve, an outlet of the, the fifth stop valve is connected with an inlet of the non-heat-insulation storage tank, and the heat-insulation storage tank, the first pressure buffer container, the second pressure buffer container and the outer wall are wrapped by the multilayer heat-insulation layer; the invention realizes energy storage by utilizing the phase change of the low-temperature working medium, and has the characteristics of simple structure, large energy storage scale, safe and reliable equipment and the like.
Description
Technical Field
The invention belongs to the technical field of phase change energy storage, and particularly relates to a phase change energy storage and supply system utilizing large temperature difference between day and night on the surface of the moon.
Background
The moon is a celestial body closest to the earth, has abundant mineral resources and energy sources, and is an ideal place for solving the crisis of human development and developing scientific observation and research production. Lunar exploration has attracted the attention and research of the united states, russia, europe, the sun, the seal and the Chinese aerospace world, and a lunar base has been planned and built to serve multiple functions of scientific exploration, space observation, scientific experiments, military strategies, resource development, deep space exploration transfer stations and the like. The energy is an important guarantee for the normal work of the lunar base, is an important component of the base construction, and must be considered as a core technology of the base design.
The surface of the moon is free of atmosphere, and the moon rotates for a circle approximately equal to 28 days of the earth, wherein 14 days of the moon and 14 days of the moon at night. The surface temperature was as high as 120 ℃ during the daytime and decreased to-180 ℃ during the night. During the daytime, the abundant solar energy of the lunar surface can be used for providing energy supply, and during the nighttime as long as 14 days, stable and high-power energy supply becomes a key technology for supporting future lunar exploration.
The current types of energy utilization on the lunar surface mainly include: 1) a photovoltaic power generation system; 2) a photo-thermal power generation system; 3) a radioisotope thermoelectric power supply system; 4) a spatial nuclear reactor power system; 5) a fuel cell system; 6) lunar soil thermoelectric power generation systems and the like. The photovoltaic scheme does not meet the continuous working requirement, and the auxiliary energy form is needed for supplement at night; the existing photo-thermal scheme cannot solve the problem of energy output during the night; the radio isotope scheme has low comprehensive efficiency and higher comprehensive cost; the mass of the reactor is larger, and the mass ratio power is smaller; the fuel cell scheme itself requires a large amount of electrical energy to be consumed; the lunar soil scheme needs to carry out manual transformation on lunar soil, and the engineering implementation difficulty is large.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a phase change energy storage and supply system which utilizes the large temperature difference between day and night on the lunar surface, utilizes the phase change of a low-temperature working medium to realize energy storage, and has the characteristics of simple structure, large energy storage scale, safe and reliable equipment and the like.
In order to achieve the purpose, the invention adopts the technical scheme that:
a phase change energy storage and supply system utilizing large temperature difference of lunar surface day and night comprises a non-heat-insulation storage tank 1, low-temperature working medium is filled in the non-heat-insulation storage tank 1, an outlet of the non-heat-insulation storage tank 1 is connected with an inlet of a heat-insulation storage tank 4 through a connecting pipeline, a first stop valve 2 is arranged on the connecting pipeline, a plurality of layers of first heat-insulation layers 3 are wrapped on the surface of the heat-insulation storage tank 4, an outlet of the heat-insulation storage tank 4 is connected with an inlet of a first pressure buffer container 7 through a second stop valve 5 and a first pressure regulating valve 6, a plurality of layers of second heat-insulation layers 8 are wrapped on the outer wall of the first pressure buffer container 7, an outlet of the first pressure buffer container 7 is connected with an inlet of an expander 11 through a third stop valve 9 and a flow regulating valve 10, the expander 11 is connected with a power generation device 12, an outlet of the expander 11 is connected with an inlet of, the outlet of the second pressure buffer container 15 is connected with the inlet of the non-heat insulation storage tank 1 through a second pressure regulating valve 17 and a fifth stop valve 18.
The low-temperature working medium is liquid oxygen, liquid nitrogen, liquid argon or liquid methane.
The non-heat-insulation storage tank 1 and the heat-insulation storage tank 4 are made of stainless steel or aluminum alloy materials and are resistant to high pressure; the device is formed by adopting a large-scale thick-wall low-temperature pressure container or a plurality of small-size thin-wall low-temperature pressure containers connected in parallel; the bottom of the non-heat-insulation storage tank 1 is provided with a filling port for low-temperature working medium supplement, and the top is provided with a safety valve.
The first heat insulation layer 3, the second heat insulation layer 8 and the third heat insulation layer 16 are formed by alternately arranging a metal reflecting screen and a non-metal spacer, the metal reflecting screen is an aluminum foil, a double-sided aluminum plated polyester film or a single-sided aluminum plated polyester film, and the non-metal spacer is a glass fiber or a nylon net; the first thermal insulation layer 3, the second thermal insulation layer 8 and the third thermal insulation layer 16 wrap the entire surfaces of the insulated storage tank 4, the first pressure buffer container 7 and the second pressure buffer container 15, respectively.
The first pressure regulating valve 6 is controlled by the pressure after the valve, and the opening of the first pressure regulating valve 6 is controlled according to the pressure of the first pressure buffer container 7 at night, so that the pressure of the first pressure buffer container 7 is stable.
The second pressure regulating valve 17 is controlled by the pressure after the valve, and the second pressure regulating valve 17 builds pressure difference between the second pressure buffer container 15 and the non-heat insulation storage tank 1 at night, so that normal reverse flow of two-phase fluid in the second pressure buffer container 15 is realized.
The first pressure buffer container 7 is made of stainless steel or aluminum alloy materials and is resistant to high pressure; the second pressure buffer container 15 is made of stainless steel or aluminum alloy and is resistant to medium pressure.
The expansion machine 11 adopts a centrifugal expansion machine and a gas bearing, and the shaft of the expansion machine 11 is connected with the rotating shaft of the power generation device 12 to realize the conversion of mechanical energy and electric energy.
The invention has the beneficial effects that:
the system disclosed by the invention realizes the integration of large-temperature-difference energy storage on the lunar surface and energy supply at the moon night, and fully utilizes the lunar surface in-situ energy, wherein the energy storage is to realize the phase change gasification of a low-temperature working medium by utilizing the solar energy at the moon day; at night, the natural vacuum environment on the surface of the moon can be utilized, the multilayer heat insulation layer technology can realize good heat insulation of the heat insulation storage tank 4, and the gas in the heat insulation storage tank 4 can be ensured to maintain a high-pressure state for a long night. In addition, the adopted low-temperature fluid has excellent compatibility with future lunar bases, liquid oxygen and liquid methane can be used as aerospace fuel for earth-moon round trip or deep space exploration, wherein oxygen can be directly prepared by using water on the surface of the moon, nitrogen can be used as protective gas for various researches of the future bases or used as pressurizing gas of a fuel tank, and the working media need to be carried by the earth or prepared in situ, so that the dependence of the system on the working media is greatly simplified. The system is flexible to operate and stable in work, the first pressure buffer container 7 can stably supply energy at night, and energy supply power is adjusted by controlling the gas flow of the expansion machine 11. The invention has important value for the future construction of the lunar base and the smooth development of various detection activities at the moon night.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1, a phase change energy storage and supply system using the large day and night temperature difference of the lunar surface comprises a non-heat insulation storage tank 1, wherein a certain amount of low-temperature working medium such as liquid oxygen, liquid nitrogen, liquid argon, liquid methane and the like is filled in the non-heat insulation storage tank 1; the outlet of the non-heat insulation storage tank 1 is connected with the inlet of the heat insulation storage tank 4 through a connecting pipeline, a first stop valve 2 is arranged on the connecting pipeline, and the first stop valve 2 controls the on-off of a flow channel between the non-heat insulation storage tank 1 and the heat insulation storage tank 4; the surface of the heat insulation storage tank 4 is completely wrapped by the plurality of first heat insulation layers 3, so that a high-temperature and high-pressure gas environment is maintained in the heat insulation storage tank 4 at night; the first heat insulation layer 3 utilizes the natural vacuum environment of the lunar surface, can greatly reduce the heat leakage quantity, and the average heat leakage quantity is less than 1W/m2(ii) a The outlet of the heat insulation storage tank 4 is connected with the inlet of the first pressure buffer container 7 through the second stop valve 5 and the first pressure regulating valve 6, the second stop valve 5 controls the on-off of a gas flow passage between the heat insulation storage tank 4 and the first pressure buffer container 7, and the first pressure regulating valve 6 regulates the opening according to the pressure after the valve, so that the pressure in the first pressure buffer container 7 and the energy supply are stable when the energy is supplied at night; the outer wall of the first pressure buffer container 7 is wrapped by a plurality of layers of second heat insulation layers 8 so as to reduce heat leakage and maintain a high-pressure gas environment in the first pressure buffer container 7 during the night; the outlet of the first pressure buffer container 7 is connected with the inlet of an expander 11 through a third stop valve 9 and a flow regulating valve 10, the expander 11 is connected with a power generation device 12, the third stop valve 9 is used for controlling the on-off of the air supply of the first pressure buffer container 7 to the expander 11, and the flow regulating valve 10 is used for controlling the air supply flowQuantity, realizing the regulation of energy supply power; the outlet of the expansion machine 11 is connected with the inlet of a second pressure buffer container 15 through a throttle valve 13 and a fourth stop valve 14, and the expanded gas is further converted into low-temperature and low-pressure gas-liquid two-phase flow through the throttle valve 13 and enters the second pressure buffer container 15 through the fourth stop valve 14; the fourth stop valve 14 is closed in the daytime to prevent the fluid in the second pressure buffer container 15 from flowing back to enter the expansion machine 11; the outer wall of the second pressure buffer container 15 is wrapped by a plurality of layers of third heat insulation layers 16, and the heat insulation aims at maintaining a low-pressure environment in the second pressure buffer container 15 in the daytime; the outlet of the second pressure buffer container 15 is connected with the inlet of the non-heat-insulation storage tank 1 through a second pressure regulating valve 17 and a fifth stop valve 18, and the second pressure regulating valve 17 is used for establishing pressure difference between the second pressure buffer container 15 and the non-heat-insulation storage tank 1 at night to realize normal reverse flow of fluid in the second pressure buffer container 15; the fifth cut-off valve 18 is used for controlling the opening and closing of the flow passage between the second pressure buffer container 15 and the non-insulated storage tank 1.
The non-heat-insulation storage tank 1 and the heat-insulation storage tank 4 are made of stainless steel or aluminum alloy materials and are resistant to high pressure; the device is formed by adopting a large-scale thick-wall low-temperature pressure container or a plurality of small-size thin-wall low-temperature pressure containers connected in parallel; the bottom of the non-heat-insulation storage tank 1 is provided with a filling port for low-temperature working medium supplement, and the top is provided with a safety valve.
The first heat insulation layer 3, the second heat insulation layer 8 and the third heat insulation layer 16 are formed by alternately arranging a metal reflecting screen and a non-metal spacer, the metal reflecting screen is an aluminum foil, a double-sided aluminum plated polyester film or a single-sided aluminum plated polyester film, and the non-metal spacer is a glass fiber or a nylon net; the first thermal insulation layer 3, the second thermal insulation layer 8 and the third thermal insulation layer 16 wrap the entire surfaces of the insulated storage tank 4, the first pressure buffer container 7 and the second pressure buffer container 15, respectively.
The first pressure regulating valve 6 is controlled by the pressure after the valve, and the opening of the first pressure regulating valve 6 is controlled according to the pressure of the first pressure buffer container 7 at night, so that the pressure of the first pressure buffer container 7 is stable.
The second pressure regulating valve 17 is controlled by the pressure after the valve, and the second pressure regulating valve 17 builds pressure difference between the second pressure buffer container 15 and the non-heat insulation storage tank 1 at night, so that normal reverse flow of two-phase fluid in the second pressure buffer container 15 is realized.
The first pressure buffer container 7 is made of stainless steel or aluminum alloy materials and is resistant to high pressure; the second pressure buffer container 15 is made of stainless steel or aluminum alloy and is resistant to medium pressure.
The expansion machine 11 adopts a centrifugal expansion machine and a gas bearing, and the shaft of the expansion machine 11 is connected with the rotating shaft of the power generation device 12 to realize the conversion of mechanical energy and electric energy.
The non-insulated storage tank 1, the insulated storage tank 4, the first pressure buffer container 7 and the second pressure buffer container 15 are subjected to the following pressures: non-insulated tank 1 > first pressure buffer vessel 7> second pressure buffer vessel 15.
The working principle of the invention is as follows:
in the daytime: the first stop valve 2 is opened, and the non-heat insulation storage tank 1 is communicated with the heat insulation storage tank 4; the second stop valve 5, the third stop valve 9, the fourth stop valve 14 and the fifth stop valve 18 are all closed, the connection between the front container and the rear container of each stop valve is disconnected, under the action of high temperature in the moon and the day, the low-temperature working medium in the non-heat-insulation storage tank 1 is gradually gasified and heated up, the liquid low-temperature working medium is converted into a gas state and continuously heated up, and the pressure in the non-heat-insulation storage tank 1 is rapidly increased; as the first shut-off valve 2 opens, the warmed gas in the non-insulated tank 1 enters the insulated tank 4 and during the whole month, the pressure in the non-insulated tank 1 and the insulated tank 4 is equal; the second stop valve 5 and the fifth stop valve 18 are closed, so that the high-pressure gas in the non-heat-insulation storage tank 1 and the heat-insulation storage tank 4 cannot enter the first pressure buffer container 7 and the second pressure buffer container 15, and energy is stored in the non-heat-insulation storage tank 1 and the heat-insulation storage tank 4 in a high-pressure gas form through phase state conversion and temperature rise after the low-temperature working medium absorbs heat;
at night in the moon: the first stop valve 2 is closed, the second stop valve 5, the third stop valve 9, the fourth stop valve 14 and the fifth stop valve 18 are all opened, and at the monthly low temperature, the non-heat-insulation storage tank 1 is not protected by heat insulation, so that high-pressure gas is gradually cooled and condensed, and the pressure in the non-heat-insulation storage tank 1 is obviously reduced; the insulated storage tank 4 is wrapped with multiple layers of insulation 3, so that the insulated storage tank 4 can maintain high pressure for a long time, i.e. at night, there is a significant pressure difference between the non-insulated storage tank 1 and the insulated storage tank 4; when the power supply is started at night, the opening degree of the flow regulating valve 10 is regulated, high-pressure gas in the heat-insulating storage tank 4 enters the first pressure buffer container 7 through the second stop valve 5 and the first pressure regulating valve 6, and the high-pressure gas in the first pressure buffer container 7 sequentially flows through the third stop valve 9 and the flow regulating valve 10 and then enters the expansion machine 11 to expand and do work, so that the power generation device 12 is driven to supply electric energy outwards; the low-pressure gas expanded by the expander 11 is throttled by the throttle valve 13 to become a low-temperature and low-pressure two-phase fluid, and then enters the second pressure buffer container 15 through the fourth stop valve 14, the fluid in the second pressure buffer container 15 is continuously accumulated, the pressure is gradually increased, and when the pressure difference between the second pressure buffer container 15 and the non-heat-insulation storage tank 1 reaches a set difference value, the fluid in the second pressure buffer container 15 flows back to the non-heat-insulation storage tank 1 through the second pressure regulating valve 17 and the fifth stop valve 18; in addition, the first pressure regulating valve 6 regulates the opening degree according to the pressure of the first pressure buffer container 7, and ensures that the pressure of the first pressure buffer container 7 is relatively constant during the night power supply period; the second pressure regulating valve 17 can establish a pressure difference between the second pressure buffer container 15 and the non-heat-insulating storage tank 1, realize the normal reverse flow of the fluid, maintain the pressure in the second pressure buffer container 15 constant, and the flow regulating valve 10 regulates the opening according to the energy supply power requirement.
Claims (8)
1. The utility model provides an utilize phase change energy storage and energy supply system of big difference in temperature of moon surface day night which characterized in that: the low-temperature working medium is filled in the non-heat-insulation storage tank (1), an outlet of the non-heat-insulation storage tank (1) is connected with an inlet of a heat-insulation storage tank (4) through a connecting pipeline, a first stop valve (2) is arranged on the connecting pipeline, a plurality of layers of first heat-insulation layers (3) are wrapped on the surface of the heat-insulation storage tank (4), an outlet of the heat-insulation storage tank (4) is connected with an inlet of a first pressure buffer container (7) through a second stop valve (5) and a first pressure regulating valve (6), a plurality of layers of second heat-insulation layers (8) are wrapped on the outer wall of the first pressure buffer container (7), an outlet of the first pressure buffer container (7) is connected with an inlet of an expansion machine (11) through a third stop valve (9) and a flow regulating valve (10), the expansion machine (11) is connected with a power generation device (12), an outlet of the expansion machine (11) is connected with an inlet, the outer wall of the second pressure buffer container (15) is wrapped by a plurality of layers of third heat-insulating layers (16), and the outlet of the second pressure buffer container (15) is connected with the inlet of the non-heat-insulating storage tank (1) through a second pressure regulating valve (17) and a fifth stop valve (18).
2. The phase change energy storage and supply system according to claim 1, wherein the system comprises: the low-temperature working medium is liquid oxygen, liquid nitrogen, liquid argon or liquid methane.
3. The phase change energy storage and supply system according to claim 1, wherein the system comprises: the non-heat-insulation storage tank (1) and the heat-insulation storage tank (4) are made of stainless steel or aluminum alloy materials and are resistant to high pressure; the device is formed by adopting a large-scale thick-wall low-temperature pressure container or a plurality of small-size thin-wall low-temperature pressure containers connected in parallel; the bottom of the non-heat-insulation storage tank (1) is provided with a filling port for low-temperature working medium supplement, and the top is provided with a safety valve.
4. The phase change energy storage and supply system according to claim 1, wherein the system comprises: the first heat insulation layer (3), the second heat insulation layer (8) and the third heat insulation layer (16) are formed by alternately arranging a metal reflecting screen and a non-metal spacer, the metal reflecting screen is made of aluminum foil, a double-sided aluminum plated polyester film or a single-sided aluminum plated polyester film, and the non-metal spacer is made of glass fiber or a nylon net; the first heat insulation layer (3), the second heat insulation layer (8) and the third heat insulation layer (16) respectively wrap the whole surfaces of the heat insulation storage tank (4), the first pressure buffer container (7) and the second pressure buffer container (15).
5. The phase change energy storage and supply system according to claim 1, wherein the system comprises: the first pressure regulating valve (6) is controlled by the pressure after the valve, and the opening of the first pressure regulating valve (6) is controlled according to the pressure of the first pressure buffer container (7) at night, so that the pressure of the first pressure buffer container (7) is stable.
6. The phase change energy storage and supply system according to claim 1, wherein the system comprises: the second pressure regulating valve (17) is controlled by the pressure after the valve, and at night, the second pressure regulating valve (17) establishes pressure difference between the second pressure buffer container (15) and the non-heat-insulation storage tank (1) to realize normal reverse flow of two-phase fluid in the second pressure buffer container (15).
7. The phase change energy storage and supply system according to claim 1, wherein the system comprises: the first pressure buffer container (7) is made of stainless steel or aluminum alloy materials and is resistant to high pressure; the second pressure buffer container (15) is made of stainless steel or aluminum alloy materials and is resistant to medium pressure.
8. The phase change energy storage and supply system according to claim 1, wherein the system comprises: the expansion machine (11) adopts a centrifugal expansion machine and a gas bearing, and the shaft of the expansion machine (11) is connected with the rotating shaft of the power generation device (12) to realize the conversion of mechanical energy and electric energy.
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| CN201910932179.7A CN110726321B (en) | 2019-09-29 | 2019-09-29 | Phase change energy storage and supply system utilizing large temperature difference between day and night on lunar surface |
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| CN201910932179.7A CN110726321B (en) | 2019-09-29 | 2019-09-29 | Phase change energy storage and supply system utilizing large temperature difference between day and night on lunar surface |
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| CN110726321B CN110726321B (en) | 2020-08-14 |
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| 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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| CN110726321B (en) | 2020-08-14 |
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