CN112737079A - Photovoltaic and semiconductor temperature difference combined power generation system - Google Patents
Photovoltaic and semiconductor temperature difference combined power generation system Download PDFInfo
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- CN112737079A CN112737079A CN202011599322.4A CN202011599322A CN112737079A CN 112737079 A CN112737079 A CN 112737079A CN 202011599322 A CN202011599322 A CN 202011599322A CN 112737079 A CN112737079 A CN 112737079A
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- 238000010248 power generation Methods 0.000 title claims abstract description 50
- 239000004065 semiconductor Substances 0.000 title claims abstract description 26
- 238000001816 cooling Methods 0.000 claims abstract description 40
- 239000000758 substrate Substances 0.000 claims abstract description 24
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 8
- 239000010439 graphite Substances 0.000 claims abstract description 8
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical class O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims abstract description 6
- 230000001502 supplementing effect Effects 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 9
- 239000002313 adhesive film Substances 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims description 2
- 229910021389 graphene Inorganic materials 0.000 claims description 2
- 239000002918 waste heat Substances 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical class [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000011780 sodium chloride Substances 0.000 description 3
- 238000004146 energy storage Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- -1 graphite alkene Chemical class 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
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- 239000013589 supplement Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/32—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from a charging set comprising a non-electric prime mover rotating at constant speed
-
- 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
-
- 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
- H02S40/42—Cooling means
- H02S40/425—Cooling means using a gaseous or a liquid coolant, e.g. air flow ventilation, water circulation
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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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- 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
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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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
- Y02E10/60—Thermal-PV hybrids
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention belongs to the technical field of solar photovoltaic high-efficiency power generation and semiconductor temperature difference power generation, and particularly relates to a photovoltaic and semiconductor temperature difference combined power generation system. Aiming at the key problems that the solar photovoltaic panel substrate is over-temperature and the like to influence the photovoltaic power generation efficiency and the service life and the problem that the waste heat utilization level of the solar photovoltaic panel substrate is low, the photovoltaic power generation system is a basic power generation system, the semiconductor temperature difference power generation system utilizes the waste heat of the solar photovoltaic panel to create a temperature condition for the optimal efficiency of the photovoltaic panel, and simultaneously, the waste heat is converted into electric energy; a solar photovoltaic panel cooling and heat taking system adopts a heat pipe, micro-supersaturated brine and graphite film combination to cool a solar photovoltaic panel, simultaneously carries out frequency conversion control adjustment on a pump and a cooling fan through a controller based on a photovoltaic panel temperature signal, adjusts the solar photovoltaic panel to an optimal power generation efficiency interval affected by temperature, and adjusts semiconductor temperature difference power generation to an optimal power generation efficiency interval.
Description
Technical Field
The invention belongs to the technical field of solar photovoltaic high-efficiency power generation and semiconductor temperature difference power generation, and particularly relates to a photovoltaic and semiconductor temperature difference combined power generation system.
Background
In solar photovoltaic power generation, about 30% of radiant heat of sunlight can be converted into electric power through a photovoltaic effect, the rest about 70% of heat energy is not fully utilized, and meanwhile, the temperature of a solar photovoltaic panel substrate is increased due to the heat. Under the condition of certain illumination intensity, when the output voltage of the solar photovoltaic cell is reduced along with the temperature rise, the output power is also reduced, and the power generation efficiency is reduced by about 0.3 percent when the temperature rises by 1 ℃. Under the high temperature state, still cause the panel facula corrosion of photovoltaic board, the ageing fracture of viscose, life reduction scheduling problem easily.
The photovoltaic panel substrate is cooled by a natural cooling mode with the environment in a light aluminum-plastic substrate, high-heat-conducting-performance adhesive glue and other modes. However, the design can not ensure that the temperature of the substrate is in a reasonable range under strong irradiation conditions such as desert and ocean, and the temperature of the photovoltaic panel is high due to high environmental temperature in summer, so that the power generation efficiency is reduced, and the service life of the solar photovoltaic panel is shortened.
Disclosure of Invention
The invention aims to solve the key problems that the solar photovoltaic panel substrate is over-temperature and the like which affect the photovoltaic power generation efficiency and the service life and the problem that the waste heat utilization level of the solar photovoltaic panel substrate is low, and realize the intelligent control of the solar photovoltaic panel at the optimal power generation efficiency.
In order to achieve the purpose, the invention adopts the following technical scheme:
the photovoltaic and semiconductor temperature difference combined power generation system comprises a solar photovoltaic panel, a solar photovoltaic output switch, a solar photovoltaic controller, a solar photovoltaic storage battery pack, a solar photovoltaic inverter, a heat pipe, a thermoelectric generator, a high-temperature side of the thermoelectric generator, a low-temperature side of the thermoelectric generator, a liquid supplementing door, a cooler, an internal resistance of the thermoelectric generator, an output switch of the thermoelectric generator, a controller of the thermoelectric generator, a storage battery pack of the thermoelectric generator and an inverter of the thermoelectric generator;
the solar photovoltaic panel is connected with a solar photovoltaic controller through a solar photovoltaic output switch, and the solar photovoltaic controller is respectively connected with a solar photovoltaic storage battery pack and a solar photovoltaic inverter; the solar photovoltaic panel is provided with a plurality of heat pipes which are uniformly distributed, and the heat pipes are arranged on the solar photovoltaic panel through the adhesive film;
the outlet of the high-temperature side of the thermoelectric generator is connected with an inlet pipeline of the cooler, the outlet of the cooler is connected with an inlet pipeline of the low-temperature side of the thermoelectric generator, the cooler is further provided with a liquid supplementing door for supplementing a prepared flowing working medium, the outlet of the low-temperature side of the thermoelectric generator is connected with a cold end pipeline of a heat pipe, the hot end of the heat pipe is directly contacted with a pump and used for providing a heat source for a flowing medium in the pump, the pump is connected with the inlet pipeline of the high-temperature side of the thermoelectric generator, the thermoelectric generator is connected with a thermoelectric generator controller through an internal resistance of the thermoelectric generator and an output switch of the thermoelectric generator, and the thermoelectric generator controller is respectively connected with a storage battery pack of the thermoelectric generator and an inverter of the thermoelectric generator.
Further, the system further comprises a solar photovoltaic panel substrate temperature measuring element, the solar photovoltaic panel substrate temperature measuring element is arranged on the solar photovoltaic panel and is connected with the thermoelectric generator controller, and the thermoelectric generator controller is connected with the pump.
The solar photovoltaic power generation efficiency is a main technical index of investment operation, the variable frequency operation of the pump is controlled by the thermoelectric generator controller through the combination of a substrate temperature measuring element signal and the pump of the solar photovoltaic panel based on a substrate temperature measuring point signal, the fluid medium flows at an accelerated speed to cool the photovoltaic panel, the optimal efficiency of the solar photovoltaic panel is adjusted, the photovoltaic power generation of the solar photovoltaic panel is realized near the optimal efficiency value, and the technical economy of the solar photovoltaic power generation is improved.
Furthermore, the system also comprises a vertical cooling air pipe and a cooling fan, wherein the air outlet of the cooling fan is provided with the vertical cooling air pipe, the cooler is arranged in the vertical cooling air pipe, and the thermoelectric generator controller is connected with the cooling fan.
The solar photovoltaic panel substrate temperature measuring element signal and the thermoelectric generator controller are used for carrying out variable frequency control on the pump and the cooling fan to obtain a large temperature difference between high temperature and low temperature, so that the semiconductor thermoelectric generation is carried out at the position near the optimal efficiency value, wherein the variable frequency control on the pump is realized through the thermoelectric generator controller, the heat source temperature of the high temperature side can be improved, and meanwhile, the variable frequency control is carried out on the cooling fan to realize the reduction of the cold source temperature.
Further, the solar photovoltaic storage battery pack is connected with the solar photovoltaic inverter and used for improving the power output of the corresponding voltage specification according to the requirement of a user; the thermoelectric generator storage battery is connected with the thermoelectric generator inverter and used for improving the power output of the corresponding voltage specification according to the needs of users.
Further, the flowing working medium is slightly supersaturated saline water. The solar photovoltaic panel heat conduction cooling effect is achieved by adjusting the concentration of the saline water along with the ambient temperature, the concentration is automatically adjusted after the saline water is cooled in a cooler in the vertical cooling air pipe, and the purposes of safe operation, easy maintenance and liquid supplement, cost reduction and the like are achieved by adopting the configured micro-supersaturated saline water.
Further, the pad pasting is graphite pad pasting or graphite alkene pad pasting, when reinforcing heat transfer effect and cost are not the main consideration option, can adopt graphite alkene to do the filler, and this process makes photovoltaic panel's heat can distribute evenly to and can heat conduction fast, improve heat exchange efficiency.
Compared with the prior art, the invention has the following advantages:
the photovoltaic power generation system, the semiconductor temperature difference power generation system, the solar photovoltaic panel cooling and heat taking system and the regulation and control system are technically coupled, so that a proper temperature condition is provided for the optimal power generation efficiency of the solar photovoltaic, meanwhile, the regulation and control system is used for realizing the better power generation efficiency of the semiconductor temperature difference power generation on the basis of ensuring the optimal efficiency of the solar photovoltaic, and the electric energy output is improved.
The invention synergistically improves the photovoltaic power generation efficiency of solar energy and the service life thereof, improves the power generation efficiency of semiconductor thermoelectric power generation, and has advanced technical advantages.
Drawings
FIG. 1 is a photovoltaic and semiconductor thermoelectric combined power generation system;
the system comprises a solar photovoltaic panel 1, a solar photovoltaic output switch 2, a solar photovoltaic controller 3, a solar photovoltaic storage battery pack 4, a solar photovoltaic inverter 5, a heat pipe 6, a pump 7, a thermoelectric generator 8, a high-temperature side 8-1 of the thermoelectric generator, a low-temperature side 8-2 of the thermoelectric generator, a liquid supplementing door 9, a cooler 10, a vertical cooling air pipe 11, a cooling fan 12, an internal resistance 13 of the thermoelectric generator, an output switch 14 of the thermoelectric generator, a controller 15 of the thermoelectric generator, a storage battery pack 16 of the thermoelectric generator, an inverter 17 of the thermoelectric generator and a substrate temperature measuring element 18 of the solar photovoltaic panel.
Detailed Description
As shown in fig. 1, the photovoltaic and semiconductor thermoelectric combined power generation system comprises a solar photovoltaic panel 1, a solar photovoltaic output switch 2, a solar photovoltaic controller 3, a solar photovoltaic storage battery pack 4, a solar photovoltaic inverter 5, a heat pipe 6, a pump 7, a thermoelectric generator 8, a high-temperature side 8-1 of the thermoelectric generator, a low-temperature side 8-2 of the thermoelectric generator, a liquid supplementing door 9, a cooler 10, a vertical cooling air pipe 11, a cooling fan 12, an internal resistance 13 of the thermoelectric generator, an output switch 14 of the thermoelectric generator, a controller 15 of the thermoelectric generator, a storage battery pack 16 of the thermoelectric generator, a thermoelectric generator-based inverter 17 and a substrate temperature measuring element 18 of the solar photovoltaic panel;
the solar photovoltaic panel 1 is connected with a solar photovoltaic controller 3 through a solar photovoltaic output switch 2, and the solar photovoltaic controller 3 is respectively connected with a solar photovoltaic battery pack 4 and a solar photovoltaic inverter 5; the solar photovoltaic panel 1 is provided with a plurality of heat pipes 6 which are uniformly distributed, and the heat pipes 6 are arranged on the solar photovoltaic panel 1 through graphite films; an outlet of the high-temperature side 8-1 of the thermoelectric generator is connected with an inlet pipeline of a cooler 10, an outlet of the cooler 10 is connected with an inlet pipeline of the low-temperature side 8-2 of the thermoelectric generator, the cooler 10 is further provided with a liquid supplementing door 9 for supplementing a configured flowing working medium, an outlet of the low-temperature side 8-2 of the thermoelectric generator is connected with a cold end pipeline of a heat pipe 6, a hot end of the heat pipe 6 is directly contacted with a pump 7 and used for providing a heat source for a flowing medium in the pump 7, an outlet of the pump 7 is connected with an inlet pipeline of the high-temperature side 8-1 of the thermoelectric generator, the thermoelectric generator 8 is connected with a thermoelectric generator controller 15 through an internal resistance 13 of the thermoelectric generator and an output switch 14 of the thermoelectric generator, and the thermoelectric generator controller is respectively connected with a storage battery pack 16 of the thermoelectric generator and an inverter 17 of the thermoelectric generator. The solar photovoltaic panel substrate temperature measuring element 18 is arranged on the solar photovoltaic panel 1, the solar photovoltaic panel substrate temperature measuring element 18 is connected with the thermoelectric generator controller 15, and the thermoelectric generator controller 15 is connected with the pump 7. The air outlet of the cooling fan 12 is provided with a vertical cooling air pipe 11, the cooler 10 is arranged in the vertical cooling air pipe 11, and the thermoelectric generator controller 15 is connected with the cooling fan 12. The solar photovoltaic battery pack 4 is connected with the solar photovoltaic inverter 5 and is used for improving the power output of the corresponding voltage specification according to the requirement of a user; the thermoelectric generator storage battery pack 16 is connected with the thermoelectric generator inverter 17 and is used for improving the electric power output of the corresponding voltage specification according to the requirement of a user.
The working principle is as follows:
the photovoltaic power generation system is a basic power generation system, under the action of solar radiation, a battery in a solar photovoltaic panel 1 generates a photovoltaic effect to form the flow of electron and hole pairs and generate photovoltaic voltage, the output and the energy storage of photovoltaic power are realized through a solar photovoltaic output switch 2, a solar photovoltaic controller 3, a solar photovoltaic storage battery pack 4 and a solar photovoltaic inverter 5, and the power output of corresponding voltage specifications is improved according to the needs of users;
a semiconductor thermoelectric power generation system extracts heat of a solar photovoltaic panel 1 through a heat pipe 6 and micro supersaturated brine to be cooled, the hot micro supersaturated brine is sent to a high-temperature side 8-1 of a thermoelectric generator through a pump 7, a heat source of the high-temperature side 8-1 of the thermoelectric generator comes from the solar photovoltaic panel 1 and then flows out of a cooler 10 in a vertical cooling air pipe 11, the configured micro supersaturated brine is supplemented through a liquid supplementing door 9 during maintenance or initial operation, the temperature is cooled under the double cooling action of natural cooling generated by pressure difference formed by forced cooling of a cooling fan 12 and the vertical cooling air pipe 11, and then the cooled micro supersaturated brine flows into a low-temperature side 8-2 of the thermoelectric generator 8, so that temperature difference is generated on two sides of the thermoelectric generator 8, and the internal resistance 13 of the thermoelectric generator, an output switch 14 of the thermoelectric generator, a controller 15, a storage battery pack 16 of the thermoelectric generator are utilized, The connection of the thermoelectric generator inverter 17 realizes the power output and energy storage of semiconductor thermoelectric generation, and improves the power output of corresponding voltage specification according to the requirement of a user;
the solar photovoltaic panel cooling and heat taking system is characterized in that a heat pipe 6 is adhered to a solar photovoltaic panel substrate, the uniform distribution and the rapid heat conduction of the substrate temperature are realized by adopting a graphite film (such as 6-0 in figure 1), a plurality of groups of heat pipe cloth pieces (such as 6-1, 6-2, 6-3 and 6-4 in figure 1) can be carried out according to actual needs, and a pump 7 is subjected to frequency conversion control under the signal instruction of a solar photovoltaic panel substrate temperature measuring element 18, so that the cooling and heat taking of the solar photovoltaic panel are realized;
the control system controls the variable frequency operation of the pump 7 through the thermoelectric generator controller 15 according to a signal of the solar photovoltaic panel substrate temperature measuring element 18 to realize the temperature control of the photovoltaic panel, and controls the variable frequency operation of the cooling fan 12 through the thermoelectric generator controller 15 according to a temperature signal instruction to control the temperature of the solar photovoltaic panel 1 in an optimal power generation efficiency range and control a larger temperature difference condition through semiconductor thermoelectric power generation to realize the operation of the semiconductor thermoelectric power generation in a better power generation efficiency range.
The flowing working media at the high-temperature side and the low-temperature side of the thermoelectric generator adopt slightly supersaturated saline, the heat conduction and cooling effects of the solar photovoltaic panel are realized by adjusting the concentration of the saline along with the ambient temperature, and the concentration is automatically adjusted after the cooling in the cooler 10 in the vertical cooling air pipe 11;
the heat pipe 6 is fixed on the bottom plate of the solar photovoltaic panel 1, is fixed by adopting a graphite film, and can adopt graphene as a filler when the heat exchange effect and cost are not main consideration options.
The photovoltaic and semiconductor temperature difference combined power generation system improves the solar photovoltaic power generation efficiency influenced by temperature, prolongs the service life of a solar photovoltaic panel, realizes a combined power generation supply system, and has good technical economy.
Claims (6)
1. The photovoltaic and semiconductor temperature difference combined power generation system is characterized by comprising a solar photovoltaic panel (1), a solar photovoltaic output switch (2), a solar photovoltaic controller (3), a solar photovoltaic storage battery pack (4), a solar photovoltaic inverter (5), a heat pipe (6), a pump (7), a temperature difference generator (8), a high-temperature side (8-1) of the temperature difference generator, a low-temperature side (8-2) of the temperature difference generator, a liquid supplementing door (9), a cooler (10), an internal resistance (13) of the temperature difference generator, an output switch (14) of the temperature difference generator, a controller (15) of the temperature difference generator, a storage battery pack (16) of the temperature difference generator and an inverter (17) of the temperature difference generator;
the solar photovoltaic panel (1) is connected with a solar photovoltaic controller (3) through a solar photovoltaic output switch (2), and the solar photovoltaic controller (3) is respectively connected with a solar photovoltaic storage battery pack (4) and a solar photovoltaic inverter (5); the solar photovoltaic panel (1) is provided with a plurality of heat pipes (6) which are uniformly distributed, and the heat pipes (6) are arranged on the solar photovoltaic panel (1) through adhesive films;
an outlet of the high-temperature side (8-1) of the thermoelectric generator is connected with an inlet pipeline of a cooler (10), an outlet of the cooler (10) is connected with an inlet pipeline of the low-temperature side (8-2) of the thermoelectric generator, the cooler (10) is further provided with a liquid supplementing door (9) for supplementing configured flowing working media, an outlet of the low-temperature side (8-2) of the thermoelectric generator is connected with a cold-end pipeline of a heat pipe (6), a hot end of the heat pipe (6) is directly contacted with a pump (7) and used for providing a heat source for flowing media in the pump (7), an outlet of the pump (7) is connected with an inlet pipeline of the high-temperature side (8-1) of the thermoelectric generator, the thermoelectric generator (8) is connected with a thermoelectric generator controller (15) through an internal resistance (13) of the thermoelectric generator and an output switch (14) of the thermoelectric generator, and the thermoelectric generator controller is respectively connected with a thermoelectric generator storage battery pack (16) and a storage battery pack (16), The thermoelectric generator inverter (17) is connected.
2. The photovoltaic and semiconductor temperature difference combined power generation system according to claim 1, further comprising a solar photovoltaic panel substrate temperature measuring element (18), wherein the solar photovoltaic panel substrate temperature measuring element (18) is arranged on the solar photovoltaic panel (1), the solar photovoltaic panel substrate temperature measuring element (18) is connected with a thermoelectric generator controller (15), and the thermoelectric generator controller (15) is connected with the pump (7).
3. The photovoltaic and semiconductor temperature difference combined power generation system according to claim 2, further comprising a vertical cooling air pipe (11) and a cooling fan (12), wherein the air outlet of the cooling fan (12) is provided with the vertical cooling air pipe (11), the cooler (10) is built in the vertical cooling air pipe (11), and the thermoelectric generator controller (15) is connected with the cooling fan (12).
4. The photovoltaic and semiconductor temperature difference combined power generation system according to claim 1, wherein the solar photovoltaic battery pack (4) is connected with a solar photovoltaic inverter (5) and is used for increasing the power output of the corresponding voltage specification according to the needs of users; the thermoelectric generator storage battery pack (16) is connected with the thermoelectric generator inverter (17) and used for improving the power output of corresponding voltage specifications according to the needs of users.
5. The photovoltaic and semiconductor thermoelectric combined power generation system of claim 1, wherein the fluid working medium is a slightly supersaturated brine.
6. The photovoltaic and semiconductor thermoelectric combined power generation system of claim 1, wherein the film is a graphite film or a graphene film.
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| CN202011599322.4A CN112737079B (en) | 2020-12-29 | 2020-12-29 | Photovoltaic and semiconductor temperature difference combined power generation system |
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| CN202011599322.4A CN112737079B (en) | 2020-12-29 | 2020-12-29 | Photovoltaic and semiconductor temperature difference combined power generation system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116744667A (en) * | 2023-07-04 | 2023-09-12 | 中国人民解放军陆军工程大学 | Strong electromagnetic pulse protection device and method for salt water saturation change of photovoltaic panel |
| WO2024021550A1 (en) * | 2022-07-29 | 2024-02-01 | 重庆跃达新能源有限公司 | Energy-saving system and method for photovoltaic power generation refrigeration |
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