CN114389178A - Photovoltaic-based mobile power supply device - Google Patents
Photovoltaic-based mobile power supply device Download PDFInfo
- Publication number
- CN114389178A CN114389178A CN202111376404.7A CN202111376404A CN114389178A CN 114389178 A CN114389178 A CN 114389178A CN 202111376404 A CN202111376404 A CN 202111376404A CN 114389178 A CN114389178 A CN 114389178A
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- Prior art keywords
- photovoltaic
- power supply
- frame
- shelter
- hydraulic
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- 238000004146 energy storage Methods 0.000 claims abstract description 11
- 239000003921 oil Substances 0.000 claims description 6
- 239000010720 hydraulic oil Substances 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 4
- 238000003491 array Methods 0.000 abstract description 2
- 230000000712 assembly Effects 0.000 abstract 2
- 238000000429 assembly Methods 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 6
- 238000010248 power generation Methods 0.000 description 6
- 108010066114 cabin-2 Proteins 0.000 description 3
- 239000000295 fuel oil Substances 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/52—Mobile units, e.g. for work sites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
-
- 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
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S30/00—Structural details of PV modules other than those related to light conversion
- H02S30/20—Collapsible or foldable PV modules
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention provides a photovoltaic-based mobile power supply device, which solves the problems of difficulty in disassembly, shipment, expansion, installation and the like of the existing fixed photovoltaic equipment. The mobile power supply device comprises a traction vehicle, a shelter, a photovoltaic power supply unit and an energy storage unit; the shelter is arranged on the traction vehicle carrier, and the traction vehicle carrier drives the shelter to realize transfer; the photovoltaic power supply units comprise photovoltaic arrays, folding and unfolding assemblies and hydraulic assemblies; the photovoltaic array comprises a plurality of photovoltaic panels; the folding and unfolding component comprises a photovoltaic frame, a scissor-type supporting frame, a fixed frame and automatic lifting support legs; the photovoltaic panel is arranged in the photovoltaic frame, and the photovoltaic frames are sequentially arranged on the plurality of supporting arms parallel to the scissor-type supporting frame; the front end of the scissor type support frame is arranged in the shelter through a fixed frame; the hydraulic assembly comprises a hydraulic cylinder and a hydraulic pump and is used for driving the scissor type support frame to be unfolded and folded; the energy storage unit comprises an inverter and a storage battery.
Description
Technical Field
The invention relates to photovoltaic power supply equipment, in particular to a movable power supply device based on photovoltaic.
Background
The natural environment of western regions in China is severe, and when resource exploration and bridge erection are carried out in the fields of plateaus, mountainous regions and the like, a power grid is difficult to cover, and electric power guarantee is difficult. In order to ensure the power supply, the power supply is usually realized by adopting a fuel oil power generation mode. However, fuel oil power generation has many insurmountable defects, such as high noise, difficult continuous oil supply, and the like, and particularly in desert regions, it is difficult to find a suitable fuel oil supply station within hundreds of kilometers.
The photovoltaic power generation uses sunlight as an energy source to generate power, and has the following advantages: the device has the advantages of no noise, light weight, continuous power supply and the like, and can be used as a reliable guarantee for power supply. In recent years, photovoltaic power generation has been applied and popularized in plateau areas with the altitude of more than 5000 meters. Existing photovoltaic equipment is mainly used for assembling houses or tents for fixed power generation. However, when surveying or working in the field, the surveying position and the working position need to be frequently transferred, and when the fixed power generation equipment is transferred, the defects of complex disassembly, shipment, unfolding and installation and the like exist, so that the requirements of flexibility and rapidness are difficult to achieve.
Disclosure of Invention
The invention provides a photovoltaic-based mobile power supply device, which aims to solve the problems of difficulty in disassembly, shipment, expansion, installation and the like of the existing photovoltaic equipment which is fixedly installed.
In order to achieve the purpose, the invention adopts the following technical scheme:
a photovoltaic-based mobile power supply device comprises a traction vehicle, a shelter, a photovoltaic power supply unit and an energy storage unit, wherein the photovoltaic power supply unit and the energy storage unit are arranged on the shelter; the shelter is arranged on the traction vehicle carrier, and the traction vehicle carrier drives the shelter to realize transfer; the photovoltaic power supply unit comprises a plurality of photovoltaic power supply units, and each photovoltaic power supply unit comprises a photovoltaic array, a folding and unfolding assembly and a hydraulic assembly; the photovoltaic array comprises a plurality of photovoltaic panels; the folding and unfolding component comprises a photovoltaic frame, a scissor type supporting frame, a fixed frame and automatic lifting support legs; the photovoltaic panel is arranged in the photovoltaic frame, and the photovoltaic frames are sequentially arranged on the plurality of supporting arms parallel to the scissor-type supporting frame; the front end of the scissor type support frame is arranged in the shelter through a fixed frame, and the automatic lifting support legs are arranged on the photovoltaic frame and used for realizing stable support when the photovoltaic frame is unfolded; the hydraulic assembly comprises a hydraulic cylinder and a hydraulic pump, the hydraulic pump is arranged on the square cabin, and the hydraulic pump conveys hydraulic oil into the hydraulic cylinder through a pipeline to drive the hydraulic cylinder to work; the hydraulic cylinder is arranged on the scissor-type support frame or the fixed frame and is used for driving the scissor-type support frame to be unfolded and folded; the energy storage unit comprises an inverter and a storage battery; the output cable of the photovoltaic panel is connected with the storage battery through the inverter, and the inverter converts direct current output by the photovoltaic panel into alternating current and transmits the alternating current to the storage battery.
Furthermore, the hydraulic cylinder is arranged on the fixed frame or the photovoltaic frame in a mode that two ends are movable, and one end of the hydraulic cylinder is fixed or vertically fixed.
Furthermore, the hydraulic pump is a vane pump, and an oil filter, an electromagnetic steering valve and a throttle valve are arranged on a pipeline for connecting the hydraulic pump and the hydraulic cylinder.
Further, still be provided with on the photovoltaic frame and turn to driving motor, turn to driving motor's output shaft and automatic rising landing leg and be connected for the automatic rising landing leg of drive realizes 90 and turns to.
Furthermore, the bottom of the shelter is provided with a vehicle-carrying supporting leg for stably supporting the shelter when the photovoltaic power supply unit works.
Further, the automatic lifting support legs are arranged on the photovoltaic frame at the rear end of the scissor-type support frame.
Further, rolling doors are arranged on two sides of the shelter and used for protecting the photovoltaic power supply unit folded in the shelter.
Furthermore, the number of the photovoltaic power supply units is four, two of the photovoltaic power supply units are arranged on the left side of the shelter, and the rest two photovoltaic power supply units are arranged on the right side of the shelter.
Compared with the prior art, the invention has the following beneficial effects:
1. the mobile power supply device integrates the photovoltaic panel in the vehicle-mounted shelter, can realize quick and automatic unfolding and folding of the photovoltaic panel through the folding and unfolding component, can complete unfolding of all photovoltaic arrays within ten minutes after entering a work site, can reach a photovoltaic area of 150 square meters to meet charging requirements, and can complete folding of the photovoltaic panel within eight minutes after charging is completed to quickly transfer the site.
2. The movable power supply device provided by the invention adopts the shelter to bear the photovoltaic panel to realize power supply, can supply power in an area with a severe natural environment or in the field, does not need to realize the disassembly and assembly of the photovoltaic panel, can quickly realize the expansion of the photovoltaic panel after reaching a destination, and has high maneuverability and high automation degree.
Drawings
Fig. 1 is a schematic structural diagram of a photovoltaic-based mobile power supply device according to the present invention.
FIG. 2 is a schematic structural diagram of a photovoltaic power supply unit according to the present invention;
FIG. 3 is a schematic diagram of a single photovoltaic power supply unit in a folded state according to the present invention;
FIG. 4 is a schematic diagram of the unfolded state of a single photovoltaic power supply unit according to the present invention;
FIG. 5 is a schematic view of a hydraulic cylinder arrangement of the present invention;
FIG. 6 is a schematic diagram of the movement of the hydraulic cylinder of the present invention;
FIG. 7 is a schematic view of a plurality of photovoltaic power supply units of the present invention in a stowed position on the shelter;
FIG. 8 is a schematic view of a plurality of photovoltaic power supply units of the present invention in an unfolded state on a shelter;
fig. 9 is a schematic diagram of the mobile power supply device of the present invention during field transfer.
Reference numerals: the system comprises a traction vehicle, a 2-shelter, a 3-photovoltaic power supply unit, a 4-energy storage unit, a 5-vehicle-carrying supporting leg, a 6-rolling door, a 31-photovoltaic plate, a 32-photovoltaic frame, a 33-scissor type supporting frame, a 34-fixing frame, a 35-automatic lifting supporting leg, a 36-hydraulic cylinder, a 37-steering driving motor, a 331-supporting arm and a 332-hinge.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention and are not intended to limit the scope of the present invention.
The invention provides a photovoltaic-based mobile power supply device, which has high maneuverability, can rapidly supply power in areas with severe natural environment or in the field, and can realize the unfolding and folding of a photovoltaic panel in a short time.
As shown in fig. 1 and fig. 2, the photovoltaic-based mobile power supply device of the invention comprises a traction vehicle carrier 1, a shelter 2, a photovoltaic power supply unit 3 and an energy storage unit 4, wherein the shelter 2 is arranged on the traction vehicle carrier 1, and the traction vehicle carrier 1 drives the shelter 2 to realize transfer; the photovoltaic power supply units 3 are arranged on the shelter 2, the number of the photovoltaic power supply units is multiple, each photovoltaic power supply unit 3 comprises a folding and unfolding component, a hydraulic component and a photovoltaic array, and the photovoltaic array comprises a plurality of photovoltaic panels 31; the folding and unfolding assembly comprises a fixed frame 34, a photovoltaic frame 32, a scissor type supporting frame 33 and an automatic lifting supporting leg 35; the photovoltaic panel 31 is arranged in the photovoltaic frame 32, and the photovoltaic frames 32 are sequentially arranged on the plurality of supporting arms 331 parallel to the scissor-type supporting frame 33; the front end of the scissor type support frame 33 is arranged in the shelter 2 through a fixed frame 34, and the automatic lifting support leg 35 is arranged on the photovoltaic frame 32 and used for realizing stable support when the photovoltaic frame 32 is unfolded. The scissor type support frame 33 is a main body of the folding and unfolding component and is a main force bearing mechanism of the scissor type support frame, the hydraulic component is a main power mechanism for driving the scissor type support frame 33, and the folding and unfolding component pushes the scissor type support frame 33 to move back and forth through the hydraulic component to complete the folding and unfolding of the photovoltaic panel 31.
The energy storage unit 4 is arranged on the square cabin 2 and comprises an inverter and a storage battery; the output cable of the photovoltaic panel 31 is connected with the storage battery through an inverter, and the inverter is used for converting the direct current output by the photovoltaic panel 31 into alternating current and transmitting the alternating current to the storage battery.
As shown in fig. 3 and 4, the scissor support 33 is composed of support arms 331 and hinges 332, each support arm 331 has three hinge 332 mounting positions, all the support arms 331 on one side are sequentially mounted in series, and the angular movement and the translational movement of one support arm 331 drive the movement of the whole scissor support 33.
As shown in fig. 4, the automatic lifting leg 35 of the present invention may be disposed on any one of the photovoltaic frames 32 as long as the photovoltaic frame 32 can be stably supported, and in the embodiment of the present invention, the automatic lifting leg 35 is disposed on the photovoltaic frame 32 at the rear end of the scissor-type support frame 33, which is the most reliable installation method. Meanwhile, a steering driving motor 37 can be further arranged on the photovoltaic frame 32, and an output shaft of the steering driving motor 37 is connected with the automatic lifting supporting leg 35 and used for driving the automatic lifting supporting leg to turn 90 degrees, so that the automatic lifting supporting leg 35 is installed in a hidden mode.
The hydraulic assembly comprises a hydraulic cylinder 36 and a hydraulic pump, wherein the hydraulic pump is arranged on the square cabin 2 and conveys hydraulic oil into the hydraulic cylinder 36 through a pipeline to drive the hydraulic cylinder 36 to work; a hydraulic cylinder 36 is disposed on the scissor support bracket 33 or the fixed frame 34 for driving the scissor support bracket 33 to unfold and fold. When the folding and unfolding component needs to be unfolded or folded, the control system controls the motor to drive the hydraulic pump to work, hydraulic oil forms certain pressure through the vane pump (namely the hydraulic pump), mechanical energy of the motor is converted into pressure energy of liquid, the hydraulic oil enters the lower end of the hydraulic cylinder 36 through the oil filter, the electromagnetic steering valve, the throttle valve and the like, a piston of the hydraulic cylinder 36 moves, the mechanical energy converted by the hydraulic cylinder 36 acts on the scissor-type support frame 33 to push the scissor-type support frame 33 to move forwards, the electromagnetic steering valve is controlled, oil returned from the upper end of the hydraulic cylinder 36 returns to the oil tank, the scissor-type support frame 33 moves backwards, the scissor-type support frame 33 moves forwards or backwards to complete unfolding and folding of the photovoltaic panel 31, when the folding and unfolding angle is set, the automatic lifting support legs turn 90 degrees, and the automatic lifting support legs 35 extend to the ground to support the whole device.
As shown in fig. 5, the amount of forward movement of scissor support 33 in the stow and deploy assembly depends on the arrangement and maximum travel of hydraulic cylinders 36. The hydraulic cylinders 36 may be arranged in various ways, and may be disposed on the scissor-type support frame 33 or the fixed frame 34 in a manner of moving at both ends, fixing at one end, or vertically fixing. In the embodiment of the invention, a mode of movably mounting two ends can be adopted. As shown in FIG. 6, the stroke of the hydraulic cylinder 36 is 570mm, the shortest length is 862mm, and the longest length is 1432mm, which are calculated to ensure that the length of the hydraulic cylinder 36 is 870mm at the lowest stroke and the length of the hydraulic cylinder 36 is 1432mm at the highest stroke of the scissor-type support frame 33.
As shown in fig. 7 and 8, in the embodiment of the present invention, the number of the photovoltaic power supply units 3 is four, two of the photovoltaic power supply units 3 are disposed on the left side of the shelter 2, and the other two photovoltaic power supply units 3 are disposed on the right side of the shelter 2. In addition, still can be provided with in the bottom of shelter 2 and carry a car supporting leg 5 for photovoltaic power supply unit 3 during operation carries out the stable stay to shelter 2.
The photovoltaic array folding, unfolding and folding of the invention is schematically shown in fig. 7, 8 and 9, when the traction vehicle carrier 1 reaches a preset position, a worker enters the front control cabin to operate, the vehicle carrier support legs 5 automatically rise downwards to support the whole square cabin 2. After the automatic back of packing up of 2 both sides rolling slats door 6 in shelter, the subassembly of taking up and opening up reliably moves outwards fast under the hydraulic assembly drive, and photovoltaic board 31 expandes by a large scale rapidly, and the automatic rising landing leg 35 rotates 90 degrees after the expansion, realizes supporting to photovoltaic board 31. The expansion area of the photovoltaic array can reach 150 square meters, the charging requirement is met, and the expansion time of the photovoltaic array is not more than 10 minutes. Sunlight penetrates the photovoltaic panel 31 directly, and after the photovoltaic array converts light energy into electric energy and finishes, the photovoltaic array is folded rapidly under the effect of the folding and unfolding component, the shelter 2 is closed, the vehicle-carrying supporting legs 5 are folded, the folding time is not more than 8 minutes, and after the folding and finishing, the vehicle-carrying traction shelter 2 is transferred rapidly.
Claims (8)
1. The utility model provides a portable power supply unit based on photovoltaic which characterized in that: the device comprises a traction vehicle (1), a shelter (2), a photovoltaic power supply unit (3) and an energy storage unit (4), wherein the photovoltaic power supply unit (3) and the energy storage unit are arranged on the shelter (2);
the shelter (2) is arranged on the traction vehicle carrier (1), and the traction vehicle carrier (1) drives the shelter (2) to realize transfer;
the photovoltaic power supply unit (3) is multiple, and each photovoltaic power supply unit (3) comprises a photovoltaic array, a folding and unfolding assembly and a hydraulic assembly; the photovoltaic array comprises a plurality of photovoltaic panels (31);
the folding and unfolding assembly comprises a photovoltaic frame (32), a scissor type supporting frame (33), a fixed frame (34) and an automatic lifting supporting leg (35); the photovoltaic panel (31) is arranged in the photovoltaic frame (32), and the photovoltaic frames (32) are sequentially arranged on a plurality of supporting arms (331) parallel to the scissor-type supporting frame (33); the front end of the scissor type support frame (33) is arranged in the shelter (2) through a fixed frame (34), and the automatic lifting support legs (35) are arranged on the photovoltaic frame (32) and used for realizing stable support when the photovoltaic frame (32) is unfolded;
the hydraulic assembly comprises a hydraulic cylinder (36) and a hydraulic pump, the hydraulic pump is arranged on the shelter (2), and the hydraulic pump conveys hydraulic oil into the hydraulic cylinder (36) through a pipeline to drive the hydraulic cylinder (36) to work; the hydraulic cylinder (36) is arranged on the scissor type support frame (33) or the fixed frame (34) and is used for driving the scissor type support frame (33) to be unfolded and folded;
the energy storage unit (4) comprises an inverter and a storage battery; the output cable of the photovoltaic panel (31) is connected with the storage battery through an inverter, and the inverter converts direct current output by the photovoltaic panel (31) into alternating current and transmits the alternating current to the storage battery.
2. The photovoltaic-based mobile power supply of claim 1, wherein: the hydraulic pump is a vane pump, and an oil filter, an electromagnetic steering valve and a throttle valve are arranged on a pipeline for connecting the hydraulic pump and the hydraulic cylinder (36).
3. The photovoltaic-based mobile power supply of claim 1, wherein: the hydraulic cylinder (36) is arranged on the fixed frame (34) or the photovoltaic frame (32) in a mode that two ends are movable, and one end is fixed or vertically fixed.
4. A mobile photovoltaic-based power supply unit, according to claim 1, 2 or 3, characterized in that: the photovoltaic frame (32) is further provided with a steering driving motor (37), and an output shaft of the steering driving motor (37) is connected with the automatic lifting support leg (35) and used for driving the automatic lifting support leg (35) to realize 90-degree steering.
5. The photovoltaic-based mobile power supply of claim 4, wherein: and the bottom end of the square cabin (2) is provided with a vehicle-carrying supporting leg (5) for stably supporting the square cabin (2) when the photovoltaic power supply unit (3) works.
6. The photovoltaic-based mobile power supply of claim 5, wherein: the automatic lifting support legs (35) are arranged on a photovoltaic frame (32) at the rear end of the scissor type support frame (33).
7. The photovoltaic-based mobile power supply of claim 6, wherein: and rolling doors (6) are arranged on two sides of the shelter (2) and are used for protecting the photovoltaic power supply unit (3) folded in the shelter (2).
8. The photovoltaic-based mobile power supply of claim 7, wherein: the photovoltaic power supply units (3) are four, two of the photovoltaic power supply units (3) are arranged on the left side of the shelter (2), and the rest two photovoltaic power supply units (3) are arranged on the right side of the shelter (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111376404.7A CN114389178A (en) | 2021-11-19 | 2021-11-19 | Photovoltaic-based mobile power supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111376404.7A CN114389178A (en) | 2021-11-19 | 2021-11-19 | Photovoltaic-based mobile power supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114389178A true CN114389178A (en) | 2022-04-22 |
Family
ID=81195576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111376404.7A Pending CN114389178A (en) | 2021-11-19 | 2021-11-19 | Photovoltaic-based mobile power supply device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114389178A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102339879A (en) * | 2011-09-30 | 2012-02-01 | 赵枫 | Photovoltaic panel unfolder of solar generator car |
| CN108749913A (en) * | 2018-05-30 | 2018-11-06 | 西安工业大学 | A kind of solar walking vehicle |
| CN111342761A (en) * | 2020-04-03 | 2020-06-26 | 泗县金皖泵业有限公司 | Energy-saving photovoltaic deep well pump and working method thereof |
| CN210912042U (en) * | 2019-11-25 | 2020-07-03 | 哈尔滨市恩光川川科技有限责任公司 | Telescopic on-vehicle solar charging device of parallel four-bar |
-
2021
- 2021-11-19 CN CN202111376404.7A patent/CN114389178A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102339879A (en) * | 2011-09-30 | 2012-02-01 | 赵枫 | Photovoltaic panel unfolder of solar generator car |
| CN108749913A (en) * | 2018-05-30 | 2018-11-06 | 西安工业大学 | A kind of solar walking vehicle |
| CN210912042U (en) * | 2019-11-25 | 2020-07-03 | 哈尔滨市恩光川川科技有限责任公司 | Telescopic on-vehicle solar charging device of parallel four-bar |
| CN111342761A (en) * | 2020-04-03 | 2020-06-26 | 泗县金皖泵业有限公司 | Energy-saving photovoltaic deep well pump and working method thereof |
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Application publication date: 20220422 |
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