CN111540863A - New forms of energy electricity generation power storage device - Google Patents
New forms of energy electricity generation power storage device Download PDFInfo
- Publication number
- CN111540863A CN111540863A CN202010490458.5A CN202010490458A CN111540863A CN 111540863 A CN111540863 A CN 111540863A CN 202010490458 A CN202010490458 A CN 202010490458A CN 111540863 A CN111540863 A CN 111540863A
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- power storage
- electric power
- storage device
- new energy
- extrusion
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0462—Tubings, i.e. having a closed section
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The invention relates to the technical field of new energy power storage equipment, in particular to a new energy power generation power storage device which comprises a power storage box, wherein a dustproof awning is arranged at the upper end of the power storage box, and a sealing door is arranged on the front end surface of the power storage box; through setting up external inversion U-shaped pipe to make hookup location be located the decurrent connecting tube of opening, thereby avoid the infiltration of rainwater, utilize the extrusion wheel of spring buffering extrusion and the cooperation in extrusion groove simultaneously, realize carrying out the rigidity to external cable, and then prevent that strong wind weather from causing great dragging to external cable, improved cable junction's stability.
Description
Technical Field
The invention relates to the technical field of new energy power storage equipment, in particular to a new energy power generation power storage device.
Background
The new energy is also called unconventional energy, and refers to various energy forms other than the traditional energy. The energy to be popularized is energy which is just developed and utilized or is actively researched, such as solar energy, geothermal energy, wind energy, ocean energy, biomass energy, nuclear fusion energy and the like.
The new forms of energy electric power is mainly with the energy conversion electric energy storage that the new forms of energy produced, because the new forms of energy come from the energy of natural variation greatly, consequently when carrying out the collection of new forms of energy electric power, the place of gathering is outdoor environment usually, and outdoor weather is great to the influence of electric power storage equipment, because rainwater weather causes the electrical storage equipment inner chamber easily and intakes, thereby causes the short circuit, to strong wind or sleet weather, causes the hookup location of connecting the electrical storage equipment easily and intakes.
Therefore, the new energy power generation and storage device is provided to solve the problems of moisture resistance and connection safety of outdoor power storage equipment.
Disclosure of Invention
The present invention is directed to a new energy power generation and storage device to solve the above problems.
In order to achieve the purpose, the invention provides the following technical scheme:
a new energy power generation and storage device comprises an electric power storage box, wherein a dustproof canopy is arranged at the upper end of the electric power storage box, a sealing door is arranged on the front end face of the electric power storage box, an extension plate is transversely welded at the lower end of the right side of the electric power storage box, a base is arranged at the lower end of the inner cavity of the electric power storage box, an arc-shaped guide plate with a quarter circular arc cross section is fixedly welded at the lower end of the left side of the electric power storage box, an electricity storage battery is arranged at the upper end of the base, a vent is transversely formed in the inner cavity of the arc-shaped guide plate, the front end and the rear end of the arc-shaped guide plate are completely sealed, a second filter screen is obliquely arranged at the lower end of the arc-shaped guide plate, a first filter screen and a fan are arranged at the upper end of the, a squeezing groove is vertically arranged in the middle of the right end face of the extension plate in a penetrating way, a U-shaped pipe is arranged at the upper end of the outlet column, the U-shaped pipe is inversely arranged at the upper end of the outlet column, a first thread inner hole and a second thread inner hole are respectively arranged on the lower end faces of the left side and the right side of the U-shaped pipe, the first thread inner hole is in threaded rotation and sleeved on the outer wall of the outlet column, the lower end of the inner cavity of the second thread inner hole is connected with a connecting pipe, the lower end of the connecting pipe is just opposite to the squeezing groove, a pair of guide studs which are symmetrical front and back is provided with a mounting block in a sliding sleeved way on the outer wall of the guide stud, a squeezing wheel is arranged between the pair of mounting blocks which are symmetrical front and back, the outer end of the input cable extends to the, the middle section of the external cable is wound on the outer wall of the extrusion wheel and transversely extends towards the right side.
Preferably, a damp-proof plate is arranged between the base and the electricity storage battery, the left side and the right side of the upper end face of the base are symmetrically and vertically welded with the positioning studs, the lower ends of the damp-proof plate and the electricity storage battery are sleeved on the outer wall of the positioning studs in a sliding mode, and the upper end threads of the positioning studs are rotatably provided with first locking nuts.
Preferably, the fan is parallel to the first filter screen, the fan is located at the upper end of the first filter screen, the upper end of the fan is communicated with the ventilation opening, and the power line of the fan is electrically connected with the input cable in parallel.
Preferably, the upper end outer wall of connecting pipe is provided with the external screw thread, and the external screw thread of connecting pipe rotates and installs at second screw thread hole inner chamber, and the inner chamber of connecting pipe is provided with dustproof inner chamber, connecting terminal sets up in dustproof inner chamber.
Preferably, the inner cavity of the U-shaped pipe is provided with a U-shaped inner groove, the left end of the input cable penetrates through the lower end of the extension plate and vertically extends upwards to the inner cavity of the outlet post, and the middle section of the input cable penetrates through the U-shaped inner groove of the U-shaped pipe and extends into the connecting pipe.
Preferably, the left end face and the right end face of the mounting block are provided with through holes in a penetrating mode, the through holes are inserted in the outer wall of the guide stud in a sliding mode, and a second locking nut is connected with the outer side of the position, connected with the guide stud, of the threaded rotating mode.
Preferably, a spring is arranged between the second locking nut and the mounting block, the spring is sleeved on the outer wall of the guide stud, and two ends of the spring respectively abut against the mounting block and the second locking nut.
Preferably, a connecting rod is arranged between the pair of mounting blocks which are symmetrical front and back, the extrusion wheel is rotatably sleeved on the outer wall of the connecting rod, and the middle groove of the extrusion wheel is opposite to the extrusion line groove.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the arc-shaped guide plate with downward flow guide is added, so that the electric power storage box can exhaust air vertically and downwardly, rainwater is prevented from infiltrating, and meanwhile, the moisture-proof effect on the inner cavity of the electric power storage box is further improved by matching with the moisture-proof plate and the sealing door, and the use safety of the electric power storage box is greatly improved;
2. according to the invention, the external inverted U-shaped pipe is arranged, so that the connecting position is positioned in the connecting pipe with the downward opening, rainwater is prevented from permeating, meanwhile, the position of the external cable is fixed by utilizing the cooperation of the extrusion wheel and the extrusion groove which are buffered and extruded by the spring, further, the external cable is prevented from being greatly pulled in windy weather, and the stability of cable connection is improved.
Drawings
FIG. 1 is a graph showing the results of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a schematic perspective view of a U-shaped tube according to the present invention;
FIG. 4 is a schematic perspective view of a connecting tube according to the present invention;
FIG. 5 is a schematic view of the installation of the extrusion wheel of the present invention;
fig. 6 is an enlarged view of a structure a in fig. 1.
In the figure: 1. an electric power storage tank; 2. a dust canopy; 3. an electricity storage battery; 4. an arc-shaped guide plate; 5. a vent; 6. a fan; 7. a first filter screen; 8. a second filter screen; 9. a base; 10. a moisture-proof plate; 11. a first lock nut; 12. positioning the stud; 13. an outlet post; 14. a U-shaped tube; 15. a connecting pipe; 16. mounting blocks; 17. an extrusion wheel; 18. a guide stud; 19. an extension plate; 20. an input cable; 21. a U-shaped inner groove; 22. a first threaded inner bore; 23. a second threaded inner bore; 24. a connection terminal; 25. connecting a cable externally; 26. a connecting rod; 27. a second lock nut; 28. a spring; 29. a sealing door; 30. extruding a wire groove; 31. a dustproof inner cavity; 32. an external thread; 33. and a through hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 6, the present invention provides a technical solution:
the utility model provides a new forms of energy electricity generation power storage device, includes electric power bin 1, and the upper end of electric power bin 1 is provided with dustproof covering or awning on a car, boat, etc. 2, and the preceding terminal surface of electric power bin 1 is provided with sealing door 29, utilizes sealing door 29 and dustproof covering or awning on a car, boat, etc. 2 to realize the dust sealing effect.
The inner chamber lower extreme of electric power bin 1 is provided with base 9, the upper end of base 9 is provided with accumulate battery 3, be provided with dampproofing board 10 between base 9 and the accumulate battery 3, the vertical welding of up end left and right sides symmetry of base 9 has positioning screw 12, the equal slip cup joint of lower extreme of dampproofing board 10 and accumulate battery 3 is at positioning screw 12's outer wall, positioning screw 12's upper end screw rotates and installs first lock nut 11, utilize positioning screw 12 and first lock nut 11's cooperation, realize dampproofing board 10 and accumulate battery 3's accurate position fixed mounting.
The arc guide plate 4 of quarter circular arc cross-section is fixedly welded to the left side lower extreme of electric power bin 1, and vent 5 has transversely been seted up to the inner chamber of arc guide plate 4, and both ends are sealed completely around arc guide plate 4, utilize arc guide plate 4 to make the opening of vent 5 vertical downwards to avoid rainwater infiltration electric power bin 1's inner chamber.
The lower extreme slope of arc guide plate 4 is provided with second filter screen 8, the upper end of second filter screen 8 is provided with first filter screen 7 and fan 6, fan 6 is parallel to each other with first filter screen 7, and fan 6 is located the upper end of first filter screen 7, the upper end intercommunication vent 5 of fan 6, the parallelly connected electric connection input cable 20 of power cord of fan 6, utilize first filter screen 7 and second filter screen 8 to realize the two-stage filtration, prevent that dust and mosquito from getting into electric power bin 1's inner chamber, through inserting fan 6 on the input cable 20, make at the in-process of electric power collection, utilize fan 6 to realize quick heat dissipation.
The horizontal welding of right side lower extreme of electric power bin 1 has extension board 19, the right side electric connection of electricity storage battery 3 has input cable 20, the vertical welding in up end left side of extension board 19 has outlet post 13, input cable 20's left end runs through the lower extreme of extension board 19 and the vertical inner chamber that upwards extends to outlet post 13, utilize outlet post 13 to make the vertical upwards extension of input cable 20, thereby extend the connected position to electric power bin 1's the outside, be convenient for the high-speed joint.
The U-shaped pipe 14 is installed at the upper end of the outlet column 13, the U-shaped pipe 14 is installed at the upper end of the outlet column 13 in an inverted mode, a first threaded inner hole 22 and a second threaded inner hole 23 are respectively formed in the lower end faces of the left side and the right side of the U-shaped pipe 14, the first threaded inner hole 22 is in threaded rotation and sleeved connection with the outer wall of the outlet column 13, the lower end of the inner cavity of the second threaded inner hole 23 is connected with the connecting pipe 15, and the U-shaped pipe 14 is fixedly connected with the outlet column 13 through the.
The outer wall of the upper end of the connecting pipe 15 is provided with an external thread 32, the external thread 32 of the connecting pipe 15 is rotatably installed in the inner cavity of the second thread inner hole 23 in a thread mode, and the U-shaped pipe 14 is connected with the connecting pipe 15 through the second thread inner hole 23.
The inner chamber of U-shaped pipe 14 is provided with U-shaped inside groove 21, the interlude of input cable 20 runs through U-shaped inside groove 21 of U-shaped pipe 14 and extends to in the connecting pipe 15, the inner chamber of connecting pipe 15 is provided with dustproof inner chamber 31, connecting terminal 24 sets up in dustproof inner chamber 31, the outer end of input cable 20 extends to the inner chamber of connecting pipe 15, the tip that input cable 20 is located the inner chamber of connecting pipe 15 is provided with connecting terminal 24, connecting terminal 24's lower extreme electric connection external cable 25, utilize connecting pipe 15 to make connecting terminal 24 be located the vertical decurrent connecting pipe 15 of opening, thereby avoid the infiltration of rainwater, the stability of connection is greatly improved, the realization is protected the hookup.
The front side and the rear side of the right end face of the extension plate 19 are transversely welded with guide studs 18, the outer walls of a pair of guide studs 18 which are symmetrical front and back are slidably sleeved with mounting blocks 16, through holes 33 are formed in the left end face and the right end face of each mounting block 16 in a penetrating mode, the through holes 33 are slidably inserted into the outer walls of the guide studs 18, the outer side of the connecting position of the guide studs 18 is in threaded rotation connection with second locking nuts 27, and the second locking nuts 27 are matched with the guide studs 18 to achieve fixed extrusion mounting of the mounting blocks 16 which are symmetrical front and back.
Be provided with spring 28 between second lock nut 27 and the installation piece 16, spring 28 cup joints the outer wall at guide stud 18, and the both ends of spring 28 support respectively on installation piece 16 and second lock nut 27, make second lock nut 27 realize the buffering to the extrusion of installation piece 16 through setting up spring 28 to reach the extruded purpose of buffering elasticity, avoid causing the outer wall of the excessive damage external cable 25 of extrusion.
A connecting rod 26 is arranged between a pair of mounting blocks 16 which are symmetrical in the front-back direction, the extrusion wheel 17 is rotatably sleeved on the outer wall of the connecting rod 26, a middle groove of the extrusion wheel 17 is over against the extrusion line groove 30, and the connecting rod 26 is utilized to realize the rotating mounting of the extrusion wheel 17.
Vertical running through has seted up extrusion wire casing 30 in the middle of the right-hand member face of extension board 19, the lower extreme of connecting pipe 15 is just to extrusion wire casing 30, be provided with extrusion wheel 17 between a pair of installation piece 16 of front and back symmetry, external cable 25 joint is in extrusion wire casing 30, external cable 25's interlude winding is at extrusion wheel 17's outer wall and transversely extends to the right side, utilize extrusion wheel 17 and extrusion wire casing 30's cooperation, the realization carries out the rigidity to external cable 25, and then prevent that strong wind weather from causing great dragging to external cable 25, the stability of connecting between the cable has been improved.
The working principle is as follows: at first utilize sealing door 29 and dustproof covering or awning on a car, boat, etc. 2 to realize the dustproof sealing effect, utilize locating stud 12 and first lock nut 11's cooperation, realize dampproofing board 10 and electric storage battery 3's accurate position fixed mounting, utilize arc guide plate 4 to make the opening of vent 5 vertical downwards, thereby avoid rainwater infiltration electric power bin 1's inner chamber, utilize first filter screen 7 and second filter screen 8 to realize the two-stage filtration, prevent that dust and mosquito from getting into electric power bin 1's inner chamber, through inserting fan 6 on input cable 20, make at the in-process of electric power collection, utilize fan 6 to realize quick heat dissipation.
Utilize the outlet column 13 to make the vertical upwards extension of input cable 20, thereby extend the connected position to the outside of electric power bin 1, the high-speed joint of being convenient for, utilize first screw thread hole 22 to realize the fixed connection of U-shaped pipe 14 with outlet column 13, utilize second screw thread hole 23 to realize being connected of U-shaped pipe 14 and connecting pipe 15, utilize connecting pipe 15 to make connecting terminal 24 be located the vertical decurrent connecting pipe 15 of opening, thereby avoid the infiltration of rainwater, the stability of connecting has been improved greatly, the realization is protected connected position.
Utilize the cooperation of second lock nut 27 and guide stud 18, realize the fixed extrusion installation of the installation piece 16 of fore-and-aft symmetry, make second lock nut 27 realize the buffering to the extrusion of installation piece 16 through setting up spring 28, thereby reach the extruded purpose of buffering elasticity, avoid causing the outer wall of the excessive damage external cable 25 of extrusion, utilize connecting rod 26 to realize the rotation installation of extrusion wheel 17, utilize the cooperation of extrusion wheel 17 and extrusion wire casing 30, the realization carries out the rigidity to external cable 25, and then prevent that strong wind weather from causing great dragging to external cable 25, the stability of connecting between the cable has been improved.
Wherein the fan 6 adopts the model as follows: and the M2B068-BF heat dissipation fan.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A new energy generation power storage device includes a power storage box (1), characterized in that: the upper end of the electric power storage box (1) is provided with a dustproof canopy (2), the front end face of the electric power storage box (1) is provided with a sealing door (29), the right lower end of the electric power storage box (1) is transversely welded with an extension plate (19), the lower end of the inner cavity of the electric power storage box (1) is provided with a base (9), the lower end of the left side of the electric power storage box (1) is fixedly welded with an arc guide plate (4) with a quarter arc cross section, the upper end of the base (9) is provided with an electricity storage battery (3), the inner cavity of the arc guide plate (4) is transversely provided with a vent (5), the front end and the rear end of the arc guide plate (4) are completely sealed, the lower end of the arc guide plate (4) is obliquely provided with a second filter screen (8), the upper end of the second filter screen (8) is provided with, the vertical welding in the up end left side of extension board (19) has outlet post (13), and the equal horizontal welding in both sides has guide stud (18) around the right-hand member face of extension board (19), and extrusion wire casing (30) have been seted up to vertical running through in the middle of the right-hand member face of extension board (19), U-shaped pipe (14) are installed to the upper end of outlet post (13), and first screw thread hole (22) and second screw thread hole (23) have been seted up respectively to the terminal surface under the left and right sides of U-shaped pipe (14), first screw thread hole (22) screw thread rotation cup joints the outer wall at outlet post (13), the inner chamber lower extreme of second screw thread hole (23) is connected with connecting pipe (15), the lower extreme of connecting pipe (15) is just to extrusion wire casing (30), a pair of symmetry around the outer wall sliding socket of guide stud (18) installs installation piece (16), symmetrical a pair of front and back be provided with extrusion wheel (17) between installation piece (16), the outer end of input cable (20) extends to the inner chamber of connecting pipe (15), and the tip that input cable (20) are located connecting pipe (15) inner chamber is provided with connecting terminal (24), the lower extreme electric connection external cable (25) of connecting terminal (24), external cable (25) joint is in extrusion wire casing (30), and the interlude winding of external cable (25) is at the outer wall of extrusion wheel (17) and transversely extends to the right side.
2. The new energy generation electric power storage device according to claim 1, characterized in that: be provided with between base (9) and electric storage battery (3) dampproofing board (10), the vertical welding of the up end left and right sides symmetry of base (9) has positioning stud (12), the equal slip of the lower extreme of dampproofing board (10) and electric storage battery (3) cup joints the outer wall at positioning stud (12), first lock nut (11) are installed in the upper end screw rotation of positioning stud (12).
3. The new energy generation electric power storage device according to claim 1, characterized in that: fan (6) and first filter screen (7) are parallel to each other, and fan (6) are located the upper end of first filter screen (7), the upper end intercommunication vent (5) of fan (6), the parallelly connected electric connection input cable (20) of power cord of fan (6).
4. The new energy generation electric power storage device according to claim 1, characterized in that: the upper end outer wall of connecting pipe (15) is provided with external screw thread (32), and external screw thread (32) screw thread of connecting pipe (15) is rotated and is installed in second screw thread hole (23) inner chamber, and the inner chamber of connecting pipe (15) is provided with dustproof inner chamber (31), connecting terminal (24) set up in dustproof inner chamber (31).
5. The new energy generation electric power storage device according to claim 1, characterized in that: the inner cavity of the U-shaped pipe (14) is provided with a U-shaped inner groove (21), the left end of the input cable (20) penetrates through the lower end of the extension plate (19) and vertically extends upwards to the inner cavity of the outlet column (13), and the middle section of the input cable (20) penetrates through the U-shaped inner groove (21) of the U-shaped pipe (14) and extends into the connecting pipe (15).
6. The new energy generation electric power storage device according to claim 1, characterized in that: the left end face and the right end face of the mounting block (16) are provided with through holes (33) in a penetrating mode, the through holes (33) are inserted in the outer wall of the guide stud (18) in a sliding mode, and the outer side of the connecting position of the through holes (33) and the guide stud (18) is connected with a second locking nut (27) in a threaded rotating mode.
7. The new energy generation electric power storage device according to claim 6, characterized in that: a spring (28) is arranged between the second locking nut (27) and the mounting block (16), the spring (28) is sleeved on the outer wall of the guide stud (18), and two ends of the spring (28) respectively abut against the mounting block (16) and the second locking nut (27).
8. The new energy generation electric power storage device according to claim 1, characterized in that: a connecting rod (26) is arranged between the pair of mounting blocks (16) which are symmetrical front and back, the extrusion wheel (17) is rotatably sleeved on the outer wall of the connecting rod (26), and the middle groove of the extrusion wheel (17) is opposite to the extrusion line groove (30).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202010490458.5A CN111540863A (en) | 2020-06-02 | 2020-06-02 | New forms of energy electricity generation power storage device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010490458.5A CN111540863A (en) | 2020-06-02 | 2020-06-02 | New forms of energy electricity generation power storage device |
Publications (1)
Publication Number | Publication Date |
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CN111540863A true CN111540863A (en) | 2020-08-14 |
Family
ID=71979842
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202010490458.5A Withdrawn CN111540863A (en) | 2020-06-02 | 2020-06-02 | New forms of energy electricity generation power storage device |
Country Status (1)
Country | Link |
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CN (1) | CN111540863A (en) |
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2020
- 2020-06-02 CN CN202010490458.5A patent/CN111540863A/en not_active Withdrawn
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