CN116799373A - Photovoltaic energy storage lithium battery pack - Google Patents
Photovoltaic energy storage lithium battery pack Download PDFInfo
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- CN116799373A CN116799373A CN202311085891.0A CN202311085891A CN116799373A CN 116799373 A CN116799373 A CN 116799373A CN 202311085891 A CN202311085891 A CN 202311085891A CN 116799373 A CN116799373 A CN 116799373A
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- fixedly arranged
- thermal insulation
- battery pack
- thermoelectric conversion
- dust
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 64
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 64
- 238000004146 energy storage Methods 0.000 title claims abstract description 28
- 239000000428 dust Substances 0.000 claims abstract description 131
- 238000006243 chemical reaction Methods 0.000 claims abstract description 116
- 238000009413 insulation Methods 0.000 claims abstract description 93
- 239000003990 capacitor Substances 0.000 claims abstract description 64
- 238000011084 recovery Methods 0.000 claims abstract description 49
- 238000010438 heat treatment Methods 0.000 claims abstract description 42
- 238000004321 preservation Methods 0.000 claims abstract description 39
- 230000017525 heat dissipation Effects 0.000 claims abstract description 38
- 239000004576 sand Substances 0.000 claims abstract description 23
- 239000000110 cooling liquid Substances 0.000 claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 19
- 238000009529 body temperature measurement Methods 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 30
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 238000007664 blowing Methods 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims 1
- 238000004064 recycling Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- 239000000758 substrate Substances 0.000 description 6
- 230000009977 dual effect Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 238000010248 power generation Methods 0.000 description 4
- 239000002826 coolant Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000012809 cooling fluid Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B6/00—Cleaning by electrostatic means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B21/00—Machines, plants or systems, using electric or magnetic effects
- F25B21/02—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M10/4264—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing with capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/615—Heating or keeping warm
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a photovoltaic energy storage lithium battery pack, which relates to the technical field of battery packs and comprises a positive charge dust removing device, a thermal insulation shell, a thermoelectric recycling and converting device, a heat dissipation and thermal insulation double-circulation device, a self-temperature measurement lithium battery pack and a storage capacitor. The heat dissipation heat preservation double circulation device realizes the heat dissipation function by injecting low-temperature cooling liquid into the double circulation channel when the temperature is higher in the daytime, and realizes the heating heat preservation function by injecting the heat circulation liquid into the double circulation channel when the temperature is lower at night. The positive charge dust collector is used for adding positive charges to the dust collection charge rod, the positive charges attract sand and dust on the surface of the thermal insulation shell, and the dust collection function is realized by removing the dust through the dust collection air pump. The thermoelectric recovery conversion device converts heat emitted by the daytime heat dissipation and heat preservation double-circulation device into electric energy through the thermoelectric conversion component, and then stores the electric energy in the electric storage capacitor to realize a thermoelectric conversion function.
Description
Technical Field
The invention relates to the technical field of battery packs, in particular to a photovoltaic energy storage lithium battery pack.
Background
Along with the rapid progress of new energy technology, the photovoltaic power generation in China is already at the world leading level, and the photovoltaic power generation also occupies a certain proportion in clean energy in China; the solar energy is converted into electric energy by the photovoltaic power generation, the main working environment is the gobi desert with strong sunlight irradiation time in the daytime, the day-night temperature difference on the gobi desert is large, and the service lives of the photovoltaic power generation equipment and the photovoltaic energy storage lithium battery pack are greatly examined; traditional photovoltaic energy storage lithium cell group can not adapt to such bad weather, because environmental factors such as sand wind and day and night difference in temperature, and life-span reduces greatly, scrapps in advance. Therefore, a photovoltaic energy storage lithium battery pack which can adapt to the sand blowing environment of the Gobi desert and reduce the influence of the day-night temperature difference on the service life is needed, so that the service life of the photovoltaic energy storage lithium battery pack is prolonged.
The patent of publication number CN212323112U provides a movable photovoltaic energy storage battery pack, the device includes a photovoltaic energy storage battery pack and a moving assembly, the photovoltaic energy storage battery pack realizes the conversion of fixed and moving modes through the lifting of the moving assembly, and the moving assembly realizes the moving function through the movement of the universal wheels. The movable photovoltaic energy storage battery pack provided by the application can move freely, and has high flexibility. But this scheme can't dispel the heat to photovoltaic energy storage battery group in the higher period of temperature, has greatly reduced the life-span of group battery. The scheme can not keep the temperature of the photovoltaic energy storage battery pack at a low-temperature period. This scheme can't prevent dust and remove dust, and the accumulation of dust also can influence the life-span of group battery. Meanwhile, the scheme cannot recycle the dissipated heat, so that energy waste is caused.
Disclosure of Invention
The invention aims to provide a photovoltaic energy storage lithium battery pack, which aims to solve the technical problems in the prior art such as how to reduce the influence of day and night temperature difference on the service life of the battery pack, how to dust-proof and dust-proof the battery pack, how to recycle the heat emitted by the battery pack and the like.
Aiming at the technical problems, the invention adopts the following technical scheme: a photovoltaic energy storage lithium battery pack comprises a positive charge dust removal device, a thermal insulation shell, a thermoelectric recovery conversion device, a heat dissipation and insulation double-circulation device, a self-temperature measurement lithium battery pack and a storage capacitor; the heat preservation shell is fixedly provided with a positive charge dust collector, a thermoelectric recovery conversion device and a heat dissipation heat preservation double-circulation device, the heat preservation shell is used for preserving heat of the self-temperature measurement lithium battery pack at night through closing a heat preservation box body and a heat preservation cover plate, the positive charge dust collector attracts sand and dust on the surface of the heat preservation shell through adding positive charges to a dust collection charge rod, dust is removed through a dust collection air pump so as to be used for removing dust of the heat preservation shell, the thermoelectric recovery conversion device converts heat emitted by the heat dissipation heat preservation double-circulation device at daytime into electric energy through a thermoelectric conversion component and then stores the electric energy in a storage capacitor so as to be used for thermoelectric conversion, the heat dissipation heat preservation double-circulation device is used for dissipating heat of the self-temperature measurement lithium battery pack at night through injecting low-temperature cooling liquid into a double-circulation channel, and is used for heating and preserving heat of the self-temperature measurement lithium battery pack through injecting the heat circulation liquid into the double-circulation channel at night when the temperature is low; the self-temperature-measuring lithium battery pack is fixedly arranged on the heat-dissipating heat-preserving double-circulation device and is used for temperature detection through a temperature sensor; the storage capacitor is fixedly arranged on the warm-keeping shell, the thermoelectric recovery conversion device and the heat dissipation and heat preservation double-circulation device and is used for storing direct current generated by the thermoelectric recovery conversion device and supplying power to the positive charge dust removal device.
Further, the heat-dissipation heat-preservation double-circulation device comprises a double-circulation channel, a heat-dissipation metal cover plate, a first circulation one-way valve, a heat-preservation heating box, a first circulation water pump, a second circulation one-way valve and a cooling liquid storage box; the heat dissipation metal cover plate is fixedly arranged on the double-circulation channel; the first circulating check valve is fixedly arranged on the double circulating channels; the first circulating water pump is fixedly arranged on the first circulating one-way valve and used for controlling the opening and closing of the first circulating one-way valve and the flow of the thermal circulating liquid; the heat preservation heating box is fixedly arranged on the first circulating water pump and is used for heating circulating liquid; the second circulating check valve is fixedly arranged on the double-circulating channel; the second circulating water pump is fixedly arranged on the second circulating one-way valve and used for controlling the opening and closing of the second circulating one-way valve and the flow of the cooling liquid; the cooling liquid storage tank is fixedly arranged on the second circulating water pump and used for storing cooling liquid.
Further, the first circulating check valve comprises a check valve body, a check valve blade, a check valve magnet and a check valve limiting frame; the check valve limiting frame is fixedly arranged on the check valve body; the check valve magnet is fixedly arranged on the check valve limiting frame and used for adsorbing the check valve blade and limiting the rotation of the check valve blade; the check valve blade is hinged on the check valve magnet and is used for unidirectional flow of cooling liquid or thermal circulation liquid.
Further, the heat preservation heating box comprises a heating box body, a heating resistor rod and a resistor rod power supply end; the resistor rod power supply end is fixedly arranged on the heating box body and is used for supplying current from the self-temperature-measuring lithium battery pack so as to supply power to the heating resistor rod; the heating resistor rod is fixedly arranged at the power supply end of the resistor rod; the heating box is used for storing the thermal cycle liquid.
Further, the thermoelectric recovery conversion device comprises an air inlet fan, a thermoelectric recovery filter screen, a thermoelectric recovery electric output end and a thermoelectric conversion component; the air inlet electric fan is fixedly arranged on the thermoelectric recovery filter screen and is used for air inlet; the thermoelectric recovery electric output end is fixedly arranged on the thermoelectric recovery filter screen and is used for outputting the converted electric energy to the storage capacitor; the thermoelectric conversion component is fixedly arranged on the thermoelectric recovery filter screen; the thermoelectric recovery filter screen is used for filtering sand and dust.
Further, the thermoelectric conversion assembly comprises a thermoelectric conversion bracket, a thermoelectric conversion motor, a thermoelectric conversion fan, a thermoelectric conversion patch, a thermoelectric conversion bottom plate and a thermoelectric conversion capacitor; the thermoelectric conversion motor is fixedly arranged on the thermoelectric conversion bracket; the thermoelectric conversion fan is hinged to the thermoelectric conversion motor and used for blowing hot air to the thermoelectric conversion patch; the thermoelectric conversion bottom plate is fixedly arranged on the thermoelectric conversion bracket; the thermoelectric conversion patch is fixedly arranged on the thermoelectric conversion bottom plate; the thermoelectric conversion capacitor is fixedly arranged on the thermoelectric conversion bottom plate, and meanwhile, the thermoelectric conversion capacitor is fixedly connected with the thermoelectric conversion patch through a wire to form a closed loop.
Further, the positive charge dust removing device comprises a dust removing air pump, a dust removing bracket, a dust removing roller, a dust removing motor, a dust removing filter screen and a dust removing charge rod; the dust removal air pump is fixedly arranged on the dust removal bracket and used for discharging adsorbed sand and dust, and the dust removal motor is fixedly arranged on the dust removal bracket; the dust removing roller is hinged on the dust removing motor; the dust removing filter screen is fixedly arranged in the dust removing bracket and used for blocking the attracted sand dust at the periphery of the dust removing filter screen; the dust removal charge stick is fixedly arranged in the dust removal bracket and is used for attracting sand and dust.
Further, the thermal shell comprises a thermal box body, a thermal cover plate, a thermal steering engine, a thermal linear motor, a thermal sliding rail, a thermal electric push rod, a thermal connecting seat, a thermal base, a thermal frame and a thermal electric output end; the warm-keeping box body is hinged to the warm-keeping steering engine; the warm-keeping steering engine is fixedly arranged on the warm-keeping linear motor; the warm-keeping linear motor is arranged on the warm-keeping sliding rail in a sliding way; the warm keeping sliding rail is fixedly arranged on the warm keeping electric push rod; the thermal insulation electric push rod is fixedly arranged on the thermal insulation frame; the warm-keeping electric output end is hinged on the warm-keeping frame and is used for conveying positive charges in the storage capacitor to the positive charge dust removing device; the thermal insulation cover plate is fixedly arranged on the thermal insulation frame; the thermal insulation connecting seat is fixedly arranged on the thermal insulation electric push rod; the thermal insulation base is fixedly connected with the thermal insulation connecting seat through bolts.
Further, the self-temperature-measuring lithium battery pack comprises a photovoltaic lithium battery pack, a temperature sensor and a sensor wire; the temperature sensor is fixedly arranged on the photovoltaic lithium battery pack; the two ends of the sensor wire are respectively and fixedly arranged on the photovoltaic lithium battery pack and the temperature sensor.
Further, the storage capacitor comprises a capacitor main body, a capacitor output end and a capacitor input end; the capacitor output end is fixedly arranged on the capacitor main body; the capacitor input end is fixedly arranged on the capacitor main body.
Compared with the prior art, the invention has the beneficial effects that: (1) The heat dissipation heat preservation double circulation device realizes the heat dissipation function by injecting low-temperature cooling liquid into the double circulation channel when the temperature is higher in the daytime, and realizes the heating heat preservation function by injecting the heat circulation liquid into the double circulation channel when the temperature is lower at night. (2) The positive charge dust collector is used for adding positive charges to the dust collection charge rod, the positive charges attract sand and dust on the surface of the thermal insulation shell, and the dust collection function is realized by removing the dust through the dust collection air pump. (3) The thermoelectric recovery conversion device converts heat emitted by the daytime heat dissipation and heat preservation double-circulation device into electric energy through the thermoelectric conversion component, and then stores the electric energy in the electric storage capacitor to realize a thermoelectric conversion function.
Drawings
Fig. 1 is a schematic diagram of a general assembly structure of an operating state according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of a final assembly structure of an operating state according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of the positive charge dust collector of the present invention.
Fig. 4 is a schematic structural diagram of a positive charge dust collector according to the present invention.
Fig. 5 is a schematic structural view of the thermal insulation shell of the present invention.
Fig. 6 is a schematic structural view of a thermal insulation shell according to the second embodiment of the present invention.
Fig. 7 is a schematic view of the structure of the thermoelectric recovery/conversion device of the present invention.
Fig. 8 is a schematic structural view of a thermoelectric conversion module according to the present invention.
Fig. 9 is a schematic structural diagram of a heat-dissipating and heat-insulating dual-circulation device according to the present invention.
Fig. 10 is a schematic structural view of the first circulation check valve of the present invention.
Fig. 11 is a schematic structural view of the insulation heating box of the present invention.
Fig. 12 is a schematic structural diagram of the self-temperature-measuring lithium battery pack of the present invention.
Fig. 13 is a schematic structural diagram of a storage capacitor according to the present invention.
In the figure: 1-a positive charge dust removal device; 2-a thermal insulation shell; 3-a thermoelectric recovery conversion device; 4-a heat-dissipation heat-preservation double-circulation device; 5-self-temperature measuring lithium battery pack; 6-a storage capacitor; 101-a dust removal air pump; 102-a dust removal bracket; 103-a dust removal roller; 104-a dust removal motor; 105-a dust removal filter screen; 106-a dust removal charge rod; 201-a warm-keeping box body; 202-a thermal cover plate; 203-warming steering engine; 204-a warm-keeping linear motor; 205-warm keeping sliding rail; 206-warm electric push rod; 207-a thermal connecting seat; 208-a thermal base; 209-a thermal frame; 210-a warm electrical output; 301-an air intake electric fan; 302-a thermoelectric recovery screen; 303-a thermoelectric recovery electrical output; a 304-thermoelectric conversion assembly; 30401-thermoelectric conversion holder; 30402-thermoelectric conversion motor; 30403—a thermoelectric conversion fan; 30404-thermoelectric conversion patch; 30405-thermoelectric conversion substrate; 30406—thermoelectric conversion capacitance; 401-a dual circulation channel; 402-a heat-dissipating metal cover plate; 403-first circulation check valve; 404-an insulation heating box; 405-a first circulating water pump; 406-a second circulating water pump; 407-a second circulation check valve; 408-a cooling fluid storage tank; 40301-a one-way valve body; 40302-check valve flaps; 40303-check valve magnet; 40304-check valve stop; 40401-heating the box; 40402-heating resistor bars; 40403-resistor bar power terminal; 501-a photovoltaic lithium battery pack; 502-a temperature sensor; 503-sensor wires; 601-a capacitor body; 602—a capacitance output; 603-capacitance input.
Detailed Description
The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.
Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to be limiting of the present patent; for the purpose of better illustrating embodiments of the invention, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
Fig. 1 to 13 are preferred embodiments of the present invention.
As shown in fig. 1 and 2, a positive charge dust collector 1, a thermoelectric recovery conversion device 3 and a heat dissipation and insulation dual-circulation device 4 are fixedly installed on a thermal insulation shell 2, the thermal insulation shell 2 is used for insulating a self-temperature-measuring lithium battery pack 5 at night through closing a thermal insulation box 201 and a thermal insulation cover plate 202, the positive charge dust collector 1 attracts sand dust on the surface of the thermal insulation shell 2 by adding positive charges to a dust collection charge rod 106, dust is removed by a dust collection air pump 101 so as to remove the dust on the thermal insulation shell 2, the thermoelectric recovery conversion device 3 converts heat emitted by the heat dissipation and insulation dual-circulation device 4 at daytime into electric energy through a thermoelectric conversion assembly 304 and then stores the electric energy in a storage capacitor so as to be used for thermoelectric conversion, and the heat dissipation and insulation dual-circulation device 4 is used for heating and insulation the self-temperature-measuring lithium battery pack 5 at night by injecting low-temperature cooling liquid into a dual-circulation channel 401 when the temperature is low; the self-temperature-measuring lithium battery pack 5 is fixedly arranged on the heat-radiating heat-preserving double-circulation device 4, and the self-temperature-measuring lithium battery pack 5 is used for temperature detection through a temperature sensor 502; the storage capacitor 6 is fixedly arranged on the heat preservation shell 2, the thermoelectric recovery and conversion device 3 and the heat dissipation and heat preservation double-circulation device 4, and the storage capacitor 6 is used for storing direct current generated by the thermoelectric recovery and conversion device 3 and supplying power to the positive charge dust removal device 1.
As shown in fig. 3 and 4, in the positive charge dust removing apparatus 1, a dust removing air pump 101 is fixedly installed on a dust removing bracket 102 for discharging adsorbed dust and dust, and a dust removing motor 104 is fixedly installed on the dust removing bracket 102; the dust removing roller is hinged on the dust removing motor 104; the dust removing filter screen 105 is fixedly arranged in the dust removing bracket 102 and is used for blocking the attracted sand dust at the periphery of the dust removing filter screen 105; the dust removing charge bar 106 is fixedly installed in the dust removing bracket 102 for attracting sand and dust.
As shown in fig. 5 and 6, in the thermal insulation housing 2, a thermal insulation box 201 is hinged on a thermal insulation steering engine 203; the thermal steering engine 203 is fixedly arranged on the thermal linear motor 204; the thermal linear motor 204 is slidably mounted on the thermal insulation slide rail 205; the thermal insulation sliding rail 205 is fixedly arranged on the thermal insulation electric push rod 206; the thermal electric push rod 206 is fixedly arranged on the thermal frame 209; the thermal insulation electric output end 210 is hinged on the thermal insulation frame 209 and is used for conveying positive charges in the storage capacitor 6 to the positive charge dust removing device 1; the thermal cover plate 202 is fixedly arranged on the thermal frame 209; the thermal insulation connecting seat 207 is fixedly arranged on the thermal insulation electric push rod 206; the thermal base 208 is fixedly connected with the thermal connecting base 207 through bolts.
As shown in fig. 7, in the thermoelectric recovery conversion device 3, an intake air electric fan 301 is fixedly installed on a thermoelectric recovery filter screen 302 for intake air; the thermoelectric recovery electric output end 303 is fixedly arranged on the thermoelectric recovery filter screen 302 and is used for outputting the converted electric energy to the storage capacitor 6; thermoelectric conversion module 304 is fixedly mounted on thermoelectric recovery screen 302; thermoelectric recovery screen 302 is used to filter sand.
As shown in fig. 8, in the thermoelectric conversion assembly 304, a thermoelectric conversion motor 30402 is fixedly mounted on a thermoelectric conversion holder 30401; a thermoelectric conversion fan 30403 is hinged to the thermoelectric conversion motor 30402 for blowing out hot air to the thermoelectric conversion patch 30404; the thermoelectric conversion substrate 30405 is fixedly mounted on the thermoelectric conversion support 30401; the thermoelectric conversion patch 30404 is fixedly mounted on the thermoelectric conversion substrate 30405; the thermoelectric conversion capacitor 30406 is fixedly mounted on the thermoelectric conversion substrate 30505, and the thermoelectric conversion capacitor 30406 is fixedly connected with the thermoelectric conversion patch 30404 through a wire to form a closed loop.
As shown in fig. 9, in the heat-dissipating and heat-preserving double circulation device 4, a heat-dissipating metal cover plate 402 is fixedly installed on a double circulation channel 401; the first circulation check valve 403 is fixedly installed on the double circulation channel 401; the first circulating water pump 405 is fixedly installed on the first circulating check valve 403, and is used for controlling the opening and closing of the first circulating check valve 403 and the flow of the thermal circulating liquid; the heat preservation heating box 404 is fixedly arranged on the first circulating water pump 405 and is used for heating circulating liquid; the second circulation check valve 407 is fixedly installed on the double circulation channel 401; the second circulating water pump 406 is fixedly installed on the second circulating check valve 407, and is used for controlling the opening and closing of the second circulating check valve 407 and the flow of the cooling liquid; a coolant storage tank 408 is fixedly installed on the second circulating water pump 406 for storing the coolant.
As shown in fig. 10, in the first circulation check valve 403, a check valve stopper 40304 is fixedly mounted on a check valve body 40301; the check valve magnet 40303 is fixedly mounted on the check valve limiting frame 40304 and is used for adsorbing the check valve leaf 40302 and limiting the rotation of the check valve leaf 40302; the check valve leaf 40302 is hinged to the check valve magnet 40303 for unidirectional flow of the cooling fluid or the heat circulating fluid.
As shown in fig. 11, in the heat insulation heating box 404, a resistance rod power supply end 40403 is fixedly installed on the heating box 40401, and is used for supplying current from the self-temperature-measuring lithium battery pack 5 so as to supply power to the heating resistance rod 40402; the heating resistor rod 40402 is fixedly arranged on the resistor rod power supply end 40403; the heating tank 40401 is used for storing the thermal cycle fluid.
As shown in fig. 12, in the self-temperature-measuring lithium battery pack 5, a temperature sensor 502 is fixedly mounted on a photovoltaic lithium battery pack 501; both ends of the sensor wire 503 are fixedly installed on the photovoltaic lithium battery pack 501 and the temperature sensor 502, respectively.
As shown in fig. 13, in the storage capacitor 6, a capacitor output 602 is fixedly mounted on a capacitor main body 601; the capacitor input 603 is fixedly mounted on the capacitor body 601.
The working principle of the invention is as follows: fig. 1 and 2 show the use mode and the corresponding scene of the invention, the function control of the battery pack is determined by a positive charge dust removing device 1, a thermal insulation shell 2, a thermoelectric recovery conversion device 3 and a heat dissipation and insulation double-circulation device 4, the dust removal posture is determined by the positive charge dust removing device 1, the heat dissipation and insulation posture is determined by the thermal insulation shell 2 and the heat dissipation and insulation double-circulation device 4, the thermoelectric conversion posture is determined by the posture of the thermoelectric recovery conversion device 3, and the heat dissipation and insulation has the greatest influence on the service life of the battery pack, so the heat dissipation and insulation double-circulation device 4 is the core of the photovoltaic energy storage battery pack.
Taking an example of the first embodiment, when the solar photovoltaic operation is performed, the thermal insulation box 201 of the thermal insulation shell 2 is opened for ventilation, the first circulating water pump 405 of the heat dissipation and thermal insulation dual circulation device 4 is closed, the second circulating water pump 406 is opened, the cooling liquid flows in the dual circulation channel 401 to take away the heat generated by the self-temperature-measurement lithium battery pack 5, an air circulation channel is formed by the air inlet fan and the thermoelectric conversion fan 30403 on the thermoelectric recovery conversion device 3 for cooling the self-temperature-measurement lithium battery pack 5, the heat on the dual circulation channel 401 is blown onto the thermoelectric conversion assembly 304, the heat is converted into electric energy, the electric energy is stored in the storage capacitor 6, and the storage capacitor 6 provides positive charge for the positive charge dust collector 1, so that sand and dust on the thermal insulation shell 2 are adsorbed, and a dust collection function is realized. When photovoltaic stop work at night, the cold-proof box 201 of cold-proof shell 2 forms the closed space with cold-proof apron 202, prevents the loss of inside heat, and from temperature measurement lithium cell group 5 can detect self temperature, and when the temperature is lower, heat preservation heating cabinet 404 on the heat dissipation heat preservation double circulation device 4 can heat circulating fluid, and first circulating water pump 405 opens simultaneously, and second circulating water pump 406 closes for the hot circulating fluid flows in double circulation passageway 401, guarantees the temperature from temperature measurement lithium cell group 5.
Specifically, as shown in fig. 3 and fig. 4, the dust removing motor 104 drives the dust removing roller 103 to rotate, the dust removing roller 103 drives the dust removing bracket 102 to rotate, the storage capacitor 6 provides positive charges for the dust removing charge rod 106, the dust removing charge rod 106 adsorbs sand on the warm keeping shell 2 on the dust removing filter screen 105, and after adsorption, the dust removing air pump 101 is started to discharge the sand and dust, thereby realizing the dust removing function.
As shown in fig. 5 and fig. 6, when the temperature is higher in the daytime, the thermal linear motor 204 slides on the thermal insulation sliding rail 205 to drive the thermal insulation box 201 to be unfolded outwards, and the thermal insulation steering engine 203 drives the thermal insulation box 201 to rotate, so that the thermal insulation shell 2 is in an open state to realize the ventilation and heat dissipation functions; the thermal insulation base 208 is fixedly arranged on the ground, the thermal insulation connecting base 207 is used for fixing the thermal insulation electric push rod 206, and the thermal insulation electric push rod 206 drives to lift so as to realize the lifting function of the thermal insulation shell 2, so that heat radiation is far away from the ground; when the temperature is low at night, the thermal linear motor 204 slides on the thermal insulation sliding rail 205 to drive the thermal insulation box 201 to shrink inwards, and the thermal insulation steering engine 203 drives the thermal insulation box 201 to rotate, so that the thermal insulation box 201 and the thermal insulation cover plate 202 form a closed thermal insulation layer to realize a thermal insulation function; the built-in wires of the thermal frame 209 communicate the thermal electrical output 210 with the storage capacitor 6, thereby implementing a power supply function.
As shown in fig. 7 and 8, the intake electric fan 301 rotates to suck external air, and the thermoelectric conversion motor 30402 on the thermoelectric conversion module 304 drives the thermoelectric conversion fan 30403 to rotate to remove hot air, thereby realizing an air circulation function; the thermoelectric conversion substrate 30505 is fixedly mounted on the thermoelectric conversion support 30401, and the thermoelectric conversion patch 30404 fixedly mounted on the thermoelectric conversion substrate 30505 converts heat in hot air blown out by the thermoelectric conversion fan 30403 into electric energy and stores the electric energy on the thermoelectric conversion capacitor 30406; the thermoelectric conversion capacitor 30406 outputs electric energy from the thermoelectric recovery electric output end 303 through the built-in wire of the thermoelectric recovery filter screen 302 and stores the electric energy in the storage capacitor 6, thereby realizing the thermoelectric conversion function; when the air intake electric fan 301 rotates, sand and dust are sucked in, and the thermoelectric recovery filter 302 can effectively prevent the sand and dust from entering, so as to realize a dust-proof function.
As shown in fig. 9, 10, 11 and 12, when the first circulating water pump 405 is turned on, the second circulating water pump 406 will be turned off, and the suction force of the first circulating water pump 405 is greater than the adsorption force of the check valve magnet 40303 on the first circulating check valve 403 to the check valve leaf 40302, so that the check valve leaf 40302 rotates unidirectionally to be opened, and the check valve magnet 40303 fixedly installed on the check valve limiting frame 40304 will prevent the check valve leaf 40302 from rotating reversely, so as to realize the unidirectional circulation function of the circulating liquid, thereby preventing the cooling liquid or the circulating liquid from entering the heat preservation heating box 404 or the cooling liquid storage box 408; when the solar photovoltaic operation is performed, the heat dissipation metal cover plate 402 absorbs and dissipates heat generated from the top of the temperature-measuring lithium battery pack 5, meanwhile, the first circulating water pump 405 is closed, the first circulating water pump 405 is opened, the second circulating check valve 407 is opened by the suction force of the first circulating water pump 405, and the first circulating check valve 403 is in a closed state, so that the cooling liquid in the cooling liquid storage tank 408 circulates in the double-circulation channel 401, and the heat of the photovoltaic lithium battery pack 501 is taken away, so that the cooling function is realized; the photovoltaic lithium battery pack 501 supplies power to the temperature sensor 502 through the sensor wire 503, so that the temperature of the photovoltaic lithium battery pack 501 is monitored in real time; when photovoltaic stops working at night and the temperature sensor 502 detects that the temperature of the photovoltaic lithium battery pack 501 is lower, the first circulating water pump 405 is started to drive the first circulating check valve 403 to be opened, the second circulating water pump 406 is closed to drive the second circulating check valve 407 to be closed, and the first circulating water pump 405 drives the thermal circulation liquid in the thermal insulation heating box 404 to circulate in the double-circulation channel 401, so that the thermal insulation function of the photovoltaic lithium battery pack 501 is realized; after the heat of the circulating liquid is dissipated, the resistor rod power supply end 40403 on the heating box 40401 is powered by current from the photovoltaic lithium battery pack 501 or the storage capacitor 6 to supply power to the heating resistor rod 40402, and the heating resistor rod 40402 is powered to heat the circulating liquid, so that the heating function of the circulating liquid is realized.
As shown in fig. 13, the capacitor input terminal 603 on the capacitor body 601 receives the electric energy input from the thermoelectric recovery and conversion device 3, and stores the electric energy in the capacitor body 601 to realize an electric energy storage function; when other devices need power supply, the corresponding power is output from the capacitor output end 602 on the capacitor body 601 preferentially, so as to realize the power utilization function.
The present invention is not limited to the above-described embodiments, and various modifications are possible within the scope of the present invention without inventive labor, as those skilled in the art will recognize from the above-described concepts.
Claims (10)
1. The utility model provides a photovoltaic energy storage lithium cell group, includes positive charge dust collector (1), cold-proof shell (2), thermoelectric recovery conversion equipment (3), heat dissipation heat preservation double circulation device (4), from temperature measurement lithium cell group (5), storage capacitor (6), its characterized in that: the thermal insulation system comprises a thermal insulation shell (2), wherein a positive charge dust collector (1), a thermoelectric recovery conversion device (3) and a heat dissipation and heat preservation double-circulation device (4) are fixedly arranged on the thermal insulation shell (2), the thermal insulation shell (2) is used for heat preservation of a self-temperature-measurement lithium battery pack (5) at night through closing a thermal insulation box body (201) and a thermal insulation cover plate (202), the positive charge dust collector (1) attracts sand and dust on the surface of the thermal insulation shell (2) through adding positive charges to a dust collection charge rod (106), dust is removed through a dust collection air pump (101) so as to be used for dust collection of the thermal insulation shell (2), the thermoelectric recovery conversion device (3) converts heat emitted by the heat dissipation and heat preservation double-circulation device (4) at daytime into electric energy through a thermoelectric conversion component (304) and then stores the electric energy in a storage capacitor, the heat dissipation and heat preservation double-circulation device (4) is used for heat dissipation of the self-temperature-measurement lithium battery pack (5) by injecting low-temperature cooling liquid into a double-circulation channel (401) when the temperature is relatively high in daytime, and the heat preservation double-circulation channel (401) is used for heat preservation of the self-measurement lithium battery pack (5) at night; the self-temperature-measuring lithium battery pack (5) is fixedly arranged on the heat-radiating heat-preserving double-circulation device (4), and the self-temperature-measuring lithium battery pack (5) is used for temperature detection through a temperature sensor (502); the storage capacitor (6) is fixedly arranged on the heat preservation shell (2), the thermoelectric recovery conversion device (3) and the heat dissipation heat preservation double-circulation device (4), and the storage capacitor (6) is used for storing direct current generated by the thermoelectric recovery conversion device (3) and supplying power to the positive charge dust removal device (1).
2. A photovoltaic energy storage lithium battery pack as claimed in claim 1, wherein: the heat-dissipation heat-preservation double-circulation device (4) comprises a double-circulation channel (401), a heat-dissipation metal cover plate (402), a first circulation one-way valve (403), a heat-preservation heating box (404), a first circulation water pump (405), a second circulation water pump (406), a second circulation one-way valve (407) and a cooling liquid storage box (408); the heat dissipation metal cover plate (402) is fixedly arranged on the double-circulation channel (401); the first circulating check valve (403) is fixedly arranged on the double-circulating channel (401); the first circulating water pump (405) is fixedly arranged on the first circulating one-way valve (403) and is used for controlling the opening and closing of the first circulating one-way valve (403) and the flow of the thermal circulating liquid; the heat preservation heating box (404) is fixedly arranged on the first circulating water pump (405) and is used for heating circulating liquid; the second circulating check valve (407) is fixedly arranged on the double-circulating channel (401); the second circulating water pump (406) is fixedly arranged on the second circulating check valve (407) and is used for controlling the opening and closing of the second circulating check valve (407) and the flow of the cooling liquid; the cooling liquid storage tank (408) is fixedly arranged on the second circulating water pump (406) and is used for storing cooling liquid.
3. A photovoltaic energy storage lithium battery pack as claimed in claim 2, wherein: the first circulating check valve (403) comprises a check valve body (40301), a check valve blade (40302), a check valve magnet (40303) and a check valve limiting frame (40304); the check valve limiting frame (40304) is fixedly arranged on the check valve body (40301); the check valve magnet (40303) is fixedly arranged on the check valve limiting frame (40304) and is used for adsorbing the check valve blade (40302) and limiting the rotation of the check valve blade (40302); the check valve blade (40302) is hinged on the check valve magnet (40303) and is used for unidirectional flow of cooling liquid or thermal circulation liquid.
4. A photovoltaic energy storage lithium battery pack according to claim 3, wherein: the heat-preserving heating box (404) comprises a heating box body (40401), a heating resistance rod (40402) and a resistance rod power supply end (40403); the resistor rod power supply end (40403) is fixedly arranged on the heating box body (40401) and is used for supplying current from the self-temperature-measuring lithium battery pack (5) so as to supply power to the heating resistor rod (40402); the heating resistor rod (40402) is fixedly arranged on the resistor rod power supply end (40403); the heating box (40401) is used for storing the thermal circulation liquid.
5. A photovoltaic energy storage lithium battery pack as set forth in claim 4 wherein: the thermoelectric recovery conversion device (3) comprises an air inlet electric fan (301), a thermoelectric recovery filter screen (302), a thermoelectric recovery electric output end (303) and a thermoelectric conversion assembly (304); an air inlet electric fan (301) is fixedly arranged on the thermoelectric recovery filter screen (302) and is used for air inlet; the thermoelectric recovery electric output end (303) is fixedly arranged on the thermoelectric recovery filter screen (302) and is used for outputting converted electric energy to the storage capacitor (6); the thermoelectric conversion component (304) is fixedly arranged on the thermoelectric recovery filter screen (302); a thermoelectric recovery screen (302) is used to filter sand.
6. A photovoltaic energy storage lithium battery pack as set forth in claim 5 wherein: the thermoelectric conversion assembly (304) includes a thermoelectric conversion support (30401), a thermoelectric conversion motor (30402), a thermoelectric conversion fan (30403), a thermoelectric conversion patch (30404), a thermoelectric conversion chassis (30505), and a thermoelectric conversion capacitor (30406); a thermoelectric conversion motor (30402) is fixedly mounted on the thermoelectric conversion support (30401); a thermoelectric conversion fan (30403) hinged to the thermoelectric conversion motor (30402) for blowing hot air onto the thermoelectric conversion patch (30404); the thermoelectric conversion bottom plate (30405) is fixedly arranged on the thermoelectric conversion bracket (30401); the thermoelectric conversion patch (30404) is fixedly arranged on the thermoelectric conversion bottom plate (30405); the thermoelectric conversion capacitor (30406) is fixedly arranged on the thermoelectric conversion bottom plate (30505), and meanwhile, the thermoelectric conversion capacitor (30406) is fixedly connected with the thermoelectric conversion patch (30404) through a wire to form a closed loop.
7. A photovoltaic energy storage lithium battery pack as set forth in claim 6 wherein: the positive charge dust removing device (1) comprises a dust removing air pump (101), a dust removing bracket (102), a dust removing roller (103), a dust removing motor (104), a dust removing filter screen (105) and a dust removing charge rod (106); the dust removal air pump (101) is fixedly arranged on the dust removal bracket (102) and used for discharging adsorbed sand and dust, and the dust removal motor (104) is fixedly arranged on the dust removal bracket (102); the dust removing roller is hinged on the dust removing motor (104); the dust removing filter screen (105) is fixedly arranged in the dust removing bracket (102) and is used for blocking the attracted sand and dust at the periphery of the dust removing filter screen (105); the dust removing charge rod (106) is fixedly arranged in the dust removing bracket (102) and is used for attracting sand and dust.
8. A photovoltaic energy storage lithium battery pack as in claim 7, wherein: the thermal shell (2) comprises a thermal box body (201), a thermal cover plate (202), a thermal steering engine (203), a thermal linear motor (204), a thermal sliding rail (205), a thermal electric push rod (206), a thermal connecting seat (207), a thermal base (208), a thermal frame (209) and a thermal electric output end (210); the thermal insulation box body (201) is hinged to the thermal insulation steering engine (203); the thermal steering engine (203) is fixedly arranged on the thermal linear motor (204); the thermal linear motor (204) is slidably arranged on the thermal sliding rail (205); the thermal insulation sliding rail (205) is fixedly arranged on the thermal insulation electric push rod (206); the thermal insulation electric push rod (206) is fixedly arranged on the thermal insulation frame (209); the thermal insulation electric output end (210) is hinged on the thermal insulation frame (209) and is used for conveying positive charges in the storage capacitor (6) to the positive charge dust removing device (1); the thermal insulation cover plate (202) is fixedly arranged on the thermal insulation frame (209); the thermal insulation connecting seat (207) is fixedly arranged on the thermal insulation electric push rod (206); the thermal insulation base (208) is fixedly connected with the thermal insulation connecting seat (207) through bolts.
9. A photovoltaic energy storage lithium battery pack as in claim 8, wherein: the self-temperature-measuring lithium battery pack (5) comprises a photovoltaic lithium battery pack (501), a temperature sensor (502) and a sensor wire (503); the temperature sensor (502) is fixedly arranged on the photovoltaic lithium battery pack (501); both ends of the sensor wire (503) are respectively and fixedly arranged on the photovoltaic lithium battery pack (501) and the temperature sensor (502).
10. A photovoltaic energy storage lithium battery pack as claimed in claim 9, wherein: the storage capacitor (6) comprises a capacitor main body (601), a capacitor output end (602) and a capacitor input end (603); the capacitor output end (602) is fixedly arranged on the capacitor main body (601); the capacitor input (603) is fixedly mounted on the capacitor body (601).
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