CN108494363B - Solar wind-solar-heat integrated energy storage device and energy storage method thereof - Google Patents
Solar wind-solar-heat integrated energy storage device and energy storage method thereof Download PDFInfo
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- CN108494363B CN108494363B CN201810328084.XA CN201810328084A CN108494363B CN 108494363 B CN108494363 B CN 108494363B CN 201810328084 A CN201810328084 A CN 201810328084A CN 108494363 B CN108494363 B CN 108494363B
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- 238000004146 energy storage Methods 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 203
- 238000001816 cooling Methods 0.000 claims abstract description 44
- 239000000498 cooling water Substances 0.000 claims description 12
- 230000005611 electricity Effects 0.000 claims description 9
- 238000010521 absorption reaction Methods 0.000 claims description 8
- 238000010248 power generation Methods 0.000 claims description 8
- 238000004321 preservation Methods 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 239000013589 supplement Substances 0.000 claims description 2
- 238000011161 development Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007405 data analysis Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/40—Thermal components
- H02S40/44—Means to utilise heat energy, e.g. hybrid systems producing warm water and electricity at the same time
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
- H02S10/10—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power including a supplementary source of electric power, e.g. hybrid diesel-PV energy systems
- H02S10/12—Hybrid wind-PV energy systems
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
-
- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/60—Thermal-PV hybrids
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Photovoltaic Devices (AREA)
Abstract
The solar wind-solar-heat integrated energy storage device and its energy storage method are characterized by that the water storage barrel is fixed in the lower portion, the upper end of the water storage barrel is equipped with a vent hole communicated with atmosphere, the upper portion of the water storage barrel is equipped with a hot water pipe, the lower portion of the water storage barrel is equipped with a cold water pipe, the upper end of the water storage barrel is equipped with a bearing seat, the centre of the bearing seat is fixed with a water pump, the upper portion of the water pump is fixed with a vacuum heat-collecting pipe, the interior of the vacuum heat-collecting pipe is fixed with a heat-absorbing plate, a thermoelectric generation plate and a water-cooling plate, the periphery of the bearing seat is equipped with three uniformly-arranged convex lenses, and the convex lenses can be blown by wind to rotate around the vacuum heat-collecting pipe, and the upper ends of the three convex lenses are fixed together by means of central shaft and rotor of generator. Compared with the traditional solar device, the invention has the advantages that: the solar photo-thermal utilization efficiency is high. Low cost, miniaturization and relatively stable output power.
Description
Technical Field
The invention relates to solar energy utilization, in particular to a solar energy wind-solar-heat integrated energy storage device.
Background
Solar energy is widely distributed and is recognized as an important clean energy source and renewable energy source for the sustainable development of human society in the future; how to improve the comprehensive utilization efficiency of solar energy and effectively reduce the cost of solar energy utilization is a core problem which needs to be solved by the large-scale and high-efficiency application of solar energy.
At present, the application of solar energy is single, products capable of comprehensively utilizing solar energy to generate electricity and store heat are rare, and particularly, a device for realizing efficient energy storage by utilizing wind, light and heat of solar energy at the same time is not available. Through market research and retrieval data, the existing solar energy system can not reach the expectations of people in function and cost, and the major obstacle that solar energy cannot be comprehensively popularized at a delayed time is high cost. The research of the China renewable energy development strategy research project group shows that: the development and utilization cost of solar energy resources has a great relation with the utilization technology and utilization mode. The method inspires that the thought of solar energy utilization is continuously expanded and refreshed, and the economy of solar energy application is improved.
Disclosure of Invention
In order to cope with the above situation and promote the development of solar power generation technology, the invention provides a new design of a solar wind-solar-thermal integrated machine.
The solar wind-solar-heat integrated energy storage device is characterized in that a water storage bucket is fixed at the lower part, a temperature sensor is installed in the water storage bucket, a heat preservation layer is arranged outside the water storage bucket, an air vent communicated with the atmosphere is arranged at the upper end of the water storage bucket, a hot water outlet pipe is arranged at the upper part of the water storage bucket, a cold water pipe is installed at the lower part of the water storage bucket, a hot water electromagnetic valve is installed on the hot water outlet pipe, a cold water electromagnetic valve is installed on the cold water inlet pipe, a bearing seat is installed at the upper end of the water storage bucket, a water pump is fixed at the center of the bearing seat, a vacuum heat collecting pipe is fixed at the upper part of the water pump, a heat absorbing plate is fixed in the vacuum heat collecting pipe, a thermoelectric generation plate is in contact with the heat absorbing plate, a water cooling plate is in contact with the thermoelectric generation plate, cold water in the thermoelectric generation plate is used for cooling the thermoelectric generation plate, cold water in the water pump can be injected into the water cooling plate through a water inlet pipe, cold water in the water cooling plate is heated and then enters the water storage bucket, three convex lenses which are uniformly arranged, the convex lenses can be blown around the vacuum heat collecting pipe, the upper ends of the three convex lenses are fixed together through a rotor of a central shaft and a generator, the stator of the generator is connected with a thermoelectric generator through the water pump and a thermoelectric generator, the thermoelectric generator is connected with a thermoelectric generator, and a thermoelectric generator is connected with a thermoelectric generator, and a storage battery, and a power switch is connected with the thermoelectric generator, and a storage battery, and a temperature switch.
The outer layer of the vacuum heat collecting tube is transparent glass, the inner layer is a heat absorbing coating, the middle is vacuum, one side of the inner part of the vacuum heat collecting tube is a heat absorbing plate, a thermoelectric generation sheet is adhered to the heat absorbing plate, and a water cooling plate is contacted with the thermoelectric generation sheet.
A cooling water pipe is arranged in the water cooling plate, a water inlet of the cooling water pipe is communicated with the lower part of the water storage barrel through a water pump, a water outlet of the cooling water pipe is communicated with the upper part of the water storage barrel, and a temperature sensor is arranged in the water cooling plate.
The heat absorbing plate is cylindrical made of metal aluminum, a temperature difference power generation sheet and a water cooling plate are placed in the middle of the heat absorbing plate, and longitudinal fillets with triangular cross sections are uniformly arranged on the periphery of the heat absorbing plate, so that the surface area is increased, and heat absorption is facilitated.
The invention is divided into four modules according to functions, namely a photo-thermal module, a thermoelectric module, a wind power module and a water circulation module:
1. Photo-thermal module
The photo-thermal module consists of a vacuum heat collecting tube, a heat absorbing plate and a convex lens, the convex lens focuses sunlight on the heat collecting tube, water in the water cooling plate is heated through the heat absorbing plate and the thermoelectric generation sheet, and the three-sided convex lens can keep focusing on the heat collecting tube in the rotation process. Generally, although the solar radiation intensity can reach about 1000 w/square meter, the light energy density per unit area is not large, and the temperature of the light rays is not high. The invention adopts the convex lens to collect light rays, improves the utilization efficiency of solar energy, prolongs the application time of the device, and can supply enough hot water even in winter which lacks sunlight and needs hot water urgently.
2. Optoelectronic module
The photoelectric module consists of a convex lens, a heat absorbing plate, a thermoelectric generation sheet and a water cooling plate. The temperature of the heat absorbing plate is increased by sunlight of the convex lens, and a higher temperature difference is formed between the heat absorbing plate and a water cooling head on the other side of the temperature difference generating piece, so that the temperature difference generating piece can generate electricity with high efficiency.
3. Wind power module
The wind power module mainly comprises a convex lens capable of rotating freely. The stator and the heat collecting pipe of the generator are connected and fixed, and wind power drives the convex lens and the rotor to rotate so as to generate power.
4. Water circulation module
The water circulation module mainly comprises a water pump, a bearing seat, a water inlet pipe, a water outlet pipe, a heat preservation layer and a water storage bucket. The water pump is started by the electric energy generated by the photoelectric and wind power modules, and water circulates between the water storage bucket and the water cooling plate.
The working process is as follows:
The device is placed under the sun, light rays can be converged on a central vacuum heat collecting tube by a convex lens, heat is transferred to a thermoelectric generation piece by the heat absorbing plate, one end of the thermoelectric generation piece is heated to form a temperature difference with the other end of the thermoelectric generation piece, so that electricity is generated, electric energy is stored in a storage battery through a charging circuit, the device can also be connected into a household circuit, the heat is transferred to a heat absorbing water cooling plate by the other end of the thermoelectric generation piece when the thermoelectric generation piece generates electricity, water in the water absorbing water cooling plate is heated, hot water is stored in a water storage barrel and is transferred outwards through a water pump, the convex lens on the outer side can rotate freely under the effect of wind power, a power generation rotor is driven to generate electricity, the electric energy is stored in the storage battery through the charging circuit, and the storage battery drives the water pump to work.
The control method of the control circuit is as follows: when the temperature of water in the water cooling plate is higher than the set temperature, the water pump is started to inject cold water in the water storage barrel into the water cooling plate, hot water in the water cooling plate is injected into the water storage barrel, and when the temperature in the water storage barrel is higher than the set temperature, the hot water electromagnetic valve is started to supply hot water outwards, and meanwhile the cold water electromagnetic valve is started to supplement cold water into the water storage barrel.
Compared with the traditional solar device, the invention has the advantages that:
1. The solar water heater has higher light and heat utilization efficiency than the traditional solar water heater.
Mainly comprises a vacuum tube heat collection type and a flat plate heat collection type. At present, more than 80% of the domestic heat collection type is of a vacuum tube heat collection type, and 80% of the foreign heat collection type is of a flat plate heat collection type. The heat collection type vacuum tube has the main advantages of good heat preservation performance and small light interception area; the main advantages of the flat plate type are large light-cutting area, low cost and poor heat-insulating performance.
The invention utilizes the arrangement of the vacuum heat collecting tube, ensures the heat preservation performance, and simultaneously, by the three-dimensional design and the application of the convex lens, makes up the defect of small light interception area of the vacuum heat collecting tube and improves the utilization efficiency of light and heat.
2. Compared with the traditional solar panel, the solar panel has the advantages of low cost, miniaturization and relatively stable output power.
The main problem existing in the solar cell at present is that the cost is relatively high, for example, the price of the photovoltaic panel is about 30 yuan/Wp, and the total cost of construction and matched construction is about 50 yuan/Wp, so that the large-scale application of the solar photovoltaic is restricted.
The biggest problem is that the output power is unstable, and the revolution and rotation of the earth cause the change of light at the exact place on the ground, so that the output power also changes. The device ensures the relative stability of output power through the convergence of the light by the three-sided convex lens.
Another limitation of conventional solar panels is that the conversion efficiency is relatively low, i.e., a large installation area is required, and miniaturization or miniaturization is not possible as with nuclear power.
The design of the column type of the device expands the use area in space, and ensures the high temperature difference at the two ends of the temperature difference power generation sheet and the high efficiency of power generation.
Drawings
FIG. 1 is a longitudinal cross-sectional view of the present invention
FIG. 2 is a cross-sectional view of A-A of the present invention
FIG. 3 is an enlarged view of a section B-B of the present invention
In the figure: 1. the water storage bucket comprises a water storage bucket body, 2 parts of temperature sensors, 3 parts of heat preservation layers, 4 parts of ventilation holes, 5 parts of hot water outlet pipes, 6 parts of cold water inlet pipes, 7 parts of hot water electromagnetic valves, 8 parts of cold water electromagnetic valves, 9 parts of bearing seats, 10 parts of water pumps, 11 parts of vacuum heat collecting pipes, 12 parts of heat absorption plates, 13 parts of thermoelectric generation plates, 14 parts of water cooling plates, 15 parts of temperature sensors, 16 parts of convex lenses, 17 parts of rotors, 18 parts of stators, 19 parts of cooling water pipes, 20 parts of water outlets of the cooling water pipes, 21 parts of water inlets of the cooling water pipes, 22 parts of motor seats, 23 parts of transparent glass, 24 parts of heat absorption coatings, 25 parts of ribs.
Detailed Description
The invention is described in detail below with reference to the accompanying drawings:
in fig. 1,2 and 3: the solar wind-solar heat integrated energy storage device is characterized in that a water storage bucket 1 is fixed at the lower part, a temperature sensor 2 is arranged in the water storage bucket 1, a heat preservation layer 3 is arranged outside the water storage bucket 1, a vent hole 4 communicated with the atmosphere is arranged at the upper end of the water storage bucket 1, a hot water outlet pipe 5 is arranged at the upper part of the water storage bucket 1, a cold water inlet pipe 6 is arranged at the lower part of the water storage bucket, a hot water electromagnetic valve 7 is arranged on the hot water outlet pipe 5, a cold water electromagnetic valve 8 is arranged on the cold water inlet pipe 6, a bearing seat 9 is arranged at the upper end of the water storage bucket 1, a water pump 10 is fixed at the center of the bearing seat 9, a vacuum heat collecting pipe 11 is fixed at the upper part of the water pump 10, a heat absorbing plate 12 is fixed in the vacuum heat collecting pipe 11, a thermoelectric generation piece 13 is contacted with the heat absorbing plate 12, a water cooling plate 14 is contacted with the thermoelectric generation piece, the thermoelectric generation piece 13 is cooled by the water cooling plate 14, the water pump 10 can inject cold water in the water storage bucket 1 into the water cooling plate 14 through a water inlet pipe of the water pump, so that the cold water in the water cooling plate 14 is heated and then enters the water storage bucket 1, three uniformly arranged convex lenses 16 are arranged on the periphery of the bearing seat 9, the convex lenses 16 can be blown by wind to rotate around the vacuum heat collecting pipe 11, the upper ends of the three convex lenses 16 are fixed together through a central shaft and a rotor 17 of a generator, a stator 18 of the generator is fixed together through a motor seat 22 and the vacuum heat collecting pipe 11, a temperature sensor in the water storage bucket 1 and the water cooling plate 14, a switch of the water pump 10, a hot water electromagnetic valve 7 and a cold water electromagnetic valve 8 are all connected with a controller, a thermoelectric generation sheet 13 and a generator are all connected with a storage battery (not shown), and the storage battery is connected with the switch of the water pump 10.
The outer layer of the vacuum heat collecting tube 11 is transparent glass 23, the inner layer is a heat absorbing coating 24, the middle is vacuum, one side of the inner part of the vacuum heat collecting tube 11 is a heat absorbing plate 12, a thermoelectric generation sheet 13 is attached to the heat absorbing plate, and a water cooling plate 14 is contacted with the thermoelectric generation sheet.
A cooling water pipe 19 is arranged in the water cooling plate 14, a water inlet 21 of the cooling water pipe 19 is communicated with the lower part of the water storage barrel 1 through a water pump, a water outlet 20 of the cooling water pipe is communicated with the upper part of the water storage barrel 1, and a temperature sensor 15 is arranged in the water cooling plate 14.
The heat absorbing plate 12 is cylindrical made of metal aluminum, a cavity is arranged in the middle of the heat absorbing plate, a thermoelectric generation sheet 13 and a water cooling plate 14 are arranged in the middle of the heat absorbing plate, and longitudinal fillets 25 with triangular sections are uniformly arranged on the periphery of the heat absorbing plate, so that the surface area is increased, and heat absorption is facilitated.
We performed some experiments and recorded the data as follows: the following table shows data for 1 semiconductor temperature power generation chip with a load resistance of 4 ohms:
Data analysis: the larger the temperature difference is, the larger the voltage and current generated by the semiconductor temperature difference piece are. From the 4 th experimental data, when the temperature of the hot end of the thermoelectric generation sheet is 200 ℃ and the temperature of the cold end is about 70 ℃, the thermoelectric conversion efficiency is very high, the voltage can reach more than 7V, the current can reach 1.8A, and the short circuit can even reach more than 3A. The semiconductor thermoelectric generation sheets are connected in series and parallel, so that the electricity consumption requirement of daily life can be completely met.
Claims (5)
1. A solar energy wind-solar-heat integrated energy storage method is characterized in that a device is placed under the sun, light rays are converged on a central vacuum heat collecting tube by a convex lens, the heat absorbing plate transfers heat to a thermoelectric generation sheet, one end of the thermoelectric generation sheet is heated to form a temperature difference with the other end of the thermoelectric generation sheet to generate electricity, electric energy is stored into a storage battery through a charging circuit or connected into a household circuit, the other end of the thermoelectric generation sheet transfers heat to a heat absorbing water cooling plate to heat water in the heat absorbing water cooling plate when the thermoelectric generation sheet generates electricity, hot water is stored and transported outwards in a water storage barrel through a water pump, the convex lens on the outer side can freely rotate under the effect of wind power to drive a power generation rotor to generate electricity, the electric energy is stored into the storage battery through the charging circuit, the storage battery drives the water pump to work, the water storage barrel is fixed at the lower part, the water storage barrel is internally provided with a temperature sensor, the outside of the water storage barrel is provided with a heat preservation layer, the upper end of the water storage barrel is provided with a vent hole communicated with the atmosphere, the upper part of the water storage barrel is provided with a hot water outlet pipe, the lower part of the water storage barrel is provided with a cold water inlet pipe, the hot water outlet pipe is provided with a hot water electromagnetic valve, the cold water inlet pipe is provided with a cold water electromagnetic valve, the upper end of the water storage barrel is provided with a bearing seat, the center of the bearing seat is fixedly provided with a water pump, the upper part of the water pump is fixedly provided with a vacuum heat collecting pipe, the vacuum heat collecting pipe is internally fixedly provided with a heat absorbing plate, a thermoelectric generation plate is contacted with the heat absorbing plate, the thermoelectric generation plate is contacted with the water cooling plate, the water cooling plate is used for cooling the thermoelectric generation plate, the water pump injects cold water in the water storage barrel into the water cooling plate through a water inlet pipe thereof to heat the cold water in the water cooling plate, three convex lenses which are uniformly distributed are arranged on the periphery of the bearing seat and blown by wind to rotate around the vacuum heat collecting pipe, the upper ends of the three convex lenses are fixed together through a central shaft and a rotor of the generator, a stator of the generator is fixed together through a motor base and a vacuum heat collecting pipe, a temperature sensor, a water pump switch, a hot water electromagnetic valve and a cold water electromagnetic valve in a water storage barrel and a water cooling plate are all connected with a controller, a thermoelectric generation sheet and the generator are all connected with a storage battery, the storage battery is connected with the switch of the water pump, the vacuum heat collecting pipe, a heat absorbing plate and the convex lenses form a photo-thermal module, the convex lenses, the heat absorbing plate, the thermoelectric generation sheet and the water cooling plate form a photoelectric module, the convex lenses capable of rotating freely form a wind power module, and the water pump, the bearing seat, the water inlet pipe, the water outlet pipe, the heat insulating layer and the water storage barrel form a water circulation module.
2. The solar wind-solar-thermal integrated energy storage method according to claim 1, wherein the control method of the control circuit is as follows: when the temperature of water in the water cooling plate is higher than the set temperature, the water pump is started to inject cold water in the water storage barrel into the water cooling plate, hot water in the water cooling plate is injected into the water storage barrel, and when the temperature in the water storage barrel is higher than the set temperature, the hot water electromagnetic valve is started to supply hot water outwards, and meanwhile the cold water electromagnetic valve is started to supplement cold water into the water storage barrel.
3. The energy storage device of the solar wind-solar-heat integrated energy storage method according to claim 2, wherein the outer layer of the vacuum heat collection tube is transparent glass, the inner layer is a heat absorption coating, the middle is vacuum, one side of the inner part of the vacuum heat collection tube is a heat absorption plate, a thermoelectric generation sheet is attached to the heat absorption plate, and a water cooling plate is contacted with the thermoelectric generation sheet.
4. The energy storage device of the solar wind-solar-heat integrated energy storage method according to claim 2, wherein a cooling water pipe is arranged in the water cooling plate, a water inlet of the cooling water pipe is communicated with the lower part of the water storage barrel through a water pump, a water outlet of the cooling water pipe is communicated with the upper part of the water storage barrel, and a temperature sensor is arranged in the water cooling plate.
5. The energy storage device of the solar wind-solar-heat integrated energy storage method according to claim 2, wherein the heat absorbing plate is cylindrical made of metal aluminum, the temperature difference power generation sheet and the water cooling plate are placed in the middle of the heat absorbing plate, and longitudinal fillets with triangular cross sections are uniformly arranged on the periphery of the heat absorbing plate, so that the surface area is increased, and heat absorption is facilitated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810328084.XA CN108494363B (en) | 2018-04-13 | 2018-04-13 | Solar wind-solar-heat integrated energy storage device and energy storage method thereof |
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| CN201810328084.XA CN108494363B (en) | 2018-04-13 | 2018-04-13 | Solar wind-solar-heat integrated energy storage device and energy storage method thereof |
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| CN108494363B true CN108494363B (en) | 2024-05-14 |
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| CN108494363A (en) | 2018-09-04 |
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