CN113225010A - Solar panel device convenient to fold and unfold - Google Patents

Solar panel device convenient to fold and unfold Download PDF

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Publication number
CN113225010A
CN113225010A CN202110517518.2A CN202110517518A CN113225010A CN 113225010 A CN113225010 A CN 113225010A CN 202110517518 A CN202110517518 A CN 202110517518A CN 113225010 A CN113225010 A CN 113225010A
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CN
China
Prior art keywords
solar panel
layer
bearing frame
main
driving mechanism
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Pending
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CN202110517518.2A
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Chinese (zh)
Inventor
苏彬诚
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Huoshu Technology Co Ltd
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Huoshu Technology Co Ltd
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Publication date
Application filed by Huoshu Technology Co Ltd filed Critical Huoshu Technology Co Ltd
Priority to CN202110517518.2A priority Critical patent/CN113225010A/en
Publication of CN113225010A publication Critical patent/CN113225010A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S30/00—Structural details of PV modules other than those related to light conversion
    • H02S30/20—Collapsible or foldable PV modules
    • 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
    • H02S20/00—Supporting structures for PV modules
    • H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
    • 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

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  • Photovoltaic Devices (AREA)

Abstract

The invention belongs to the technical field of solar energy, and discloses a solar panel device convenient to fold and unfold, which comprises a main solar panel, a multistage slide rail and an expansion solar panel, wherein the main solar panel is erected above a support body and is fastened with the support body; the multistage slide rails are arranged on two opposite sides of the main solar panel; the expansion solar panel is erected above the main solar panel, two opposite side walls of the expansion solar panel are fastened with the corresponding multistage slide rails respectively, and the bottom of the expansion solar panel is provided with a supporting component matched with the main solar panel. The solar panel device with the structural design can realize the expansion of the solar panel stably and reliably, and then expand the installed capacity of the solar cell in the limited installation area.

Description

Solar panel device convenient to fold and unfold
Technical Field
The invention relates to the technical field of solar energy, in particular to a solar panel device convenient to fold and unfold.
Background
Most of the solar cells customized under the prior art are tiled side by side and fixed, if want to promote the total generated energy in the unit time, must have rather than the great installation area of assorted could satisfy its electricity generation demand, therefore, when some installation areas are used in comparatively limited places, just hardly satisfy higher electricity generation demand, also have the device of expansion solar panel, but the device height space that occupies is big, and weight is also great, is unsuitable to set up on moving object. For example, the top area of large trucks, caravans, containers and mobile houses is fixed, and solar cell power generation devices with light weight, small height and expandable area are needed.
Disclosure of Invention
The invention aims to provide a solar panel device convenient to fold and unfold, which can fold and unfold stably and reliably and further expand the installed capacity of a solar cell in a limited installation area.
In order to achieve the purpose, the invention adopts the following technical scheme:
a solar panel apparatus that facilitates stowing and unfolding, comprising:
the main solar panel is erected above the supporting body and is fastened with the supporting body;
the multistage slide rails are arranged on two opposite sides of the main solar panel;
the expansion solar panel is erected above the main solar panel, two opposite side walls of the expansion solar panel are respectively fastened with the corresponding multistage slide rails, and a supporting component matched with the main solar panel is arranged at the bottom of the expansion solar panel.
The multistage sliding rails comprise an inner multistage sliding rail and an outer multistage sliding rail which are sequentially erected outwards from two opposite sides of the main solar panel, and the height of the outer multistage sliding rail is greater than that of the inner multistage sliding rail;
the expansion solar panel comprises a middle-layer solar panel erected above the main solar panel and an upper-layer solar panel erected above the middle-layer solar panel;
two opposite side walls of the middle-layer solar panel are respectively fastened with the corresponding inner-layer multistage slide rails; the two opposite side walls of the upper-layer solar panel are respectively fastened with the corresponding outer-layer multistage slide rails.
The supporting assembly comprises a guide rail arranged on the lower bottom surface of the upper solar panel, a supporting piece in sliding connection with the guide rail, a first magnetic suction piece or a first clamping piece arranged at one end of the guide rail and used for positioning the supporting piece, and a second magnetic suction piece or a second clamping piece arranged at one end of the middle solar panel and used for driving the supporting piece to synchronously move along with the middle solar panel; the lower end of the support piece is in sliding fit with the upper surface of the main solar panel.
When the middle-layer solar panel is unfolded or folded, the supporting piece is attracted by the second magnetic part or the second clamping part and slides synchronously with the middle-layer solar panel.
When the middle-layer solar panel is unfolded, middle-layer bearing rollers arranged on the lower bottom surface of the second middle-layer bearing frame are lapped on the upper surface of the main solar panel; the height of the first middle layer bearing frame is greater than that of the second middle layer bearing frame.
The outer side of the second middle bearing frame is provided with the second magnetic suction piece or the second clamping piece matched with the supporting piece.
The solar panel comprises an upper solar panel, a lower solar panel and a lower solar panel, wherein a first upper bearing frame and a second upper bearing frame are respectively arranged on two opposite sides of the upper solar panel;
when the upper solar panel is unfolded, the upper layer bearing idler wheels arranged on the lower bottom surface of the second upper layer bearing frame are lapped on the upper surface of the middle solar panel and roll along the upper surface of the middle solar panel;
when the upper layer solar panel and the middle layer solar panel are unfolded and separated, the supporting piece positioned below the upper layer bearing frame is supported on the upper surface of the main solar panel.
And the height of the first upper layer bearing frame is greater than that of the second upper layer bearing frame.
The solar panel folding and unfolding device comprises a middle-layer solar panel, an upper-layer solar panel and a locking mechanism, wherein the middle-layer solar panel and the upper-layer solar panel are driven by the driving mechanism to automatically fold and unfold, and the locking mechanism is used for positioning the middle-layer solar panel and the upper-layer solar panel.
Wherein the drive mechanism comprises a first drive mechanism and a second drive mechanism; the first driving mechanism is arranged on the middle-layer solar panel, and the second driving mechanism is arranged on the upper-layer solar panel; the first driving mechanism is meshed with first racks arranged on two opposite frames of the middle-layer solar panel, and the second driving mechanism is meshed with second racks arranged on two opposite frames of the upper-layer solar panel.
The invention has the beneficial effects that: the invention provides a solar panel device convenient to fold and unfold, which comprises a main solar panel, a multistage slide rail and an expanding solar panel, wherein the main solar panel is erected above a support body and is fastened with the support body; the multistage slide rails are arranged on two opposite sides of the main solar panel; the expansion solar panel is erected above the main solar panel, two opposite side walls of the expansion solar panel are fastened with the corresponding multistage slide rails respectively, and the bottom of the expansion solar panel is provided with a supporting component matched with the main solar panel. The solar panel device with the structural design can realize the expansion of the solar panel stably and reliably, and then expand the installed capacity of the solar cell in the limited installation area.
Drawings
Figure 1 is an isometric view of a solar panel apparatus of the present invention in an undeployed state, which facilitates deployment.
Figure 2 is an isometric view of a conveniently collapsed solar panel apparatus of the present invention when semi-deployed.
Figure 3 is a fully expanded isometric view of a solar panel apparatus of the present invention that is conveniently collapsible.
Fig. 4 is a sectional view of section a-a in fig. 1.
Fig. 5 is a sectional view of section B-B in fig. 1.
Fig. 6 is a schematic cross-sectional view of the middle and upper solar panels of fig. 5 when half-unfolded.
Fig. 7 is a schematic cross-sectional view of the middle and upper solar panels of fig. 5 after they are fully unfolded.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
Combine fig. 1 to fig. 7 to show, this embodiment provides a solar panel device of conveniently taking in and out, including main solar panel 1, multistage slide rail and expansion solar panel, wherein, main solar panel 1 erects in the top of supporter 2 and fastens with supporter 2, multistage slide rail sets up in main solar panel 1's relative both sides, expansion solar panel erects in main solar panel 1 top, the relative both sides wall of expansion solar panel fastens with the multistage slide rail that corresponds respectively, the bottom of expansion solar panel is provided with the supporting component with main solar panel 1 matched with.
The expansion solar panel that sets up with this mode can set up great expansion area under the effect of multistage slide rail, and form certain support to its bottom through supporting component, then expand solar cell installed capacity in limited installation area, in addition, after the expansion solar panel that designs with this mode fastens with multistage slide rail, be equivalent to the cover and locate main solar panel 1's top, consequently also make the thickness after the assembly thinner relatively, and the bearing is stronger moreover, middle level or upper solar panel can install bigger area additional like this.
As preferred, main solar panel 1 in this embodiment can set up to bearing type solar panel to this under the condition of erectting in a large scale, makes things convenient for personnel to stand in main solar panel 1 top, cleans main solar panel 1 and expansion solar panel.
Preferably, in order to expand the application range of the solar panel device, the support body 2 in the present embodiment may be configured as a large truck, a caravan, a container, a mobile house, or the like, so as to meet the application requirements of various application scenarios.
Furthermore, the installed capacity of the solar cell of the expansion solar panel in the solar panel device adopting the structural design can be flexibly set according to the requirement, and the expansion solar panel can be set to be a single layer or two layers. The embodiment takes the example of setting the extended solar panel as two layers to further explain as follows:
when the expansion solar panel is arranged into two layers, the expansion solar panel comprises a middle-layer solar panel 41 erected above the main solar panel 1 and an upper-layer solar panel 42 erected above the middle-layer solar panel 41; the multistage slide rails comprise an inner multistage slide rail 31 and an outer multistage slide rail 32 which are sequentially erected outwards from two opposite sides of the main solar panel 1, and the height of the outer multistage slide rail 32 is greater than that of the inner multistage slide rail 31; two opposite side walls of the middle-layer solar panel 41 are respectively fastened with the corresponding inner-layer multistage slide rails 31; the opposite two side walls of the upper solar panel 42 are respectively fastened with the corresponding outer multistage sliding rails 32. The solar panel device that designs with this mode can be through middle level solar panel 41 and upper solar panel 42's setting, and convenient satisfying sets up the demand to the expansion of main solar panel 1 both sides, very big promotion expansion area then.
By adopting the solar panel device erected by the structure, the middle-layer solar panel 41 and the upper-layer solar panel 42 are respectively extended out of the two opposite sides of the main solar panel 1 after being unfolded, so that the total light receiving area of the solar panel can be greatly increased under the condition that the area of the support body 2 is not changed, the installed capacity of a solar cell is expanded in a limited installation area, and the power generation efficiency of the solar panel device is improved; because the middle-layer solar panel 41 and the inner-layer multistage slide rails 31 are fastened and then cover the upper part of the main solar panel 1, and the upper-layer solar panel 42 and the outer-layer multistage slide rails 32 are fastened and then cover the upper part of the middle-layer solar panel 41, the solar panel device assembled in the mode has the advantages of relatively thin thickness, light weight and large area, and can be applied to various occasions.
Furthermore, after the middle-layer solar panel 41 and the upper-layer solar panel 42 are folded, the main solar panel 1, the middle-layer solar panel 41 and the upper-layer solar panel 42 are stacked layer by layer to be integrated, and the space occupation can be effectively saved.
More specifically, in this embodiment, because the main solar panel 1, the middle solar panel 41 and the upper solar panel 42 are erected at intervals layer by layer, in order to make the middle solar panel 41 and the upper solar panel 42 more smoothly folded and unfolded and form a certain supporting force with the main solar panel 1 after being unfolded, preferably, in this embodiment, the middle bearing rollers 411 and the supporting members 422 are respectively disposed at the bottoms of the two opposite bearing frames of the unfolded middle solar panel 41 and the upper solar panel 42.
Further preferably, in order to facilitate the folding and unfolding of the middle solar panel 41 and the upper solar panel 42, the support member 422 is driven to slide back and forth along the bottom of the upper solar panel 42, in this embodiment, the guide rail 421 is arranged along the length direction of the lower bottom surface of the upper solar panel 42, the installed support member 422 is connected with the guide rail 421 in a sliding manner, and in addition, one end of the guide rail 421 is further provided with a first magnetic attraction member 423 or a first clamping member for positioning the support member 422; a second magnetic attraction piece 412 or a second clamping piece for driving the support piece 422 to move synchronously with the middle solar panel 41 is arranged at one end of the middle solar panel 41; further preferably, the supporting members 422 in this embodiment are preferably supporting wheels, which can roll along the upper surface of the main solar panel 1 and can provide a certain supporting force for the upper solar panel 42 after being unfolded.
By adopting the bearing wheels and the supporting wheels with the structural design, when the middle-layer solar panel 41 and the upper-layer solar panel 42 are unfolded, the second magnetic attraction piece 412 or the second clamping piece arranged at one end of the middle-layer solar panel 41 is matched with the supporting wheels and then moves synchronously with the middle-layer solar panel 41, after the middle-layer solar panel 41 is unfolded, the supporting wheels are separated from the second magnetic attraction piece 412 or the second clamping piece and then are matched with the first magnetic attraction piece 423 or the first clamping piece arranged at the end part of the guide rail 421 for positioning, so that stable and reliable support is formed between the upper-layer solar panel 42 and the main solar panel 1;
on the contrary, when the middle layer solar panel 41 and the upper layer solar panel 42 are folded, the supporting wheel is separated from the first magnetic attraction piece 423 or the first clamping piece under the thrust action of the middle layer solar panel 41, then slides to one end of the guide rail 421 far away from the first magnetic attraction piece 423 or the first clamping piece along the guide rail 421, and then is matched with the second magnetic attraction piece 412 or the second clamping piece again.
Adopt above-mentioned structural design's bearing wheel and supporting wheel can not only make middle level solar panel 41 and upper solar panel 42 receive and release more smoothly when middle level solar panel 41 and upper solar panel 42 receive and release, simultaneously, after middle level solar panel 41 and upper solar panel 42 expand, can also make and form better support between middle level solar panel 41 and upper solar panel 42 and main solar panel 1, promote structural stability then.
More specifically, with the solar panel device with the above structural design, the two opposite sides of the middle solar panel 41 are respectively provided with the first middle bearing frame 413 and the second middle bearing frame, and after the middle solar panel 41 is unfolded, the middle bearing roller 411 arranged on the lower bottom surface of the second middle bearing frame is lapped on the upper surface of the main solar panel 1; and the height of the first middle layer bearing frame 413 is greater than that of the second middle layer bearing frame, and the outer side of the second middle layer bearing frame is provided with the second magnetic attraction piece 412 or the second clamping piece matched with the support piece 422.
Similarly, a first upper layer load-bearing frame 424 and a second upper layer load-bearing frame 425 are respectively arranged on two opposite sides of the upper layer solar panel 42; when the upper solar panel 42 is unfolded, the upper bearing rollers arranged on the lower bottom surface of the second upper bearing frame 425 are lapped on the upper surface of the middle solar panel 41 and roll along the upper surface of the middle solar panel 41; when the upper solar panel 42 and the middle solar panel 41 are unfolded and separated, the supporting member 422 located on the lower bottom surface of the upper solar panel 42 is supported on the upper surface of the main solar panel 1, and the height of the first upper bearing frame 424 is greater than that of the second upper bearing frame 425.
Adopt first middle level bearing frame 413 that above-mentioned mode set up, second middle level bearing frame, first upper strata bearing frame 424 and second upper strata bearing frame 425 not only can effectively promote middle level solar panel 41 and upper solar panel 42's structural strength and mechanical properties, simultaneously, because the sum of the height of second upper strata bearing frame 425 and first middle level bearing frame 413, be less than first upper strata bearing frame 424's height, consequently can also make middle level solar panel 41 and upper solar panel 42 after packing up and main solar panel 1 form integratively, and to main solar panel 1 after packing up, middle level solar panel 41 and upper solar panel 42's edge form effectively shelters from, play better dustproof and pleasing to the eye effect.
Furthermore, in order to facilitate the automatic opening and closing of the middle-layer solar panel 41 and the upper-layer solar panel 42, a driving mechanism for driving the middle-layer solar panel 41 and the upper-layer solar panel 42 to automatically fold and unfold is further provided in this embodiment, and a locking mechanism for positioning the middle-layer solar panel 41 and the upper-layer solar panel 42 after being folded and unfolded is further provided, the locking mechanism can effectively prevent the middle-layer solar panel 41 and the upper-layer solar panel 42 from being loosened and unfolded, and then further improve the stability of the middle-layer solar panel 41 and the upper-layer solar panel 42 after being folded and unfolded, and the specific structure setting of the locking mechanism is related, and the locking mechanism is commonly used in the related art, and is not specifically described herein.
More specifically, the driving mechanism in this embodiment includes a first driving mechanism and a second driving mechanism; the first driving mechanism is arranged on the middle-layer solar panel 41, and the second driving mechanism is arranged on the upper-layer solar panel 42; the first driving mechanism is engaged with the first rack bars disposed on the two opposite side frames of the middle solar panel 41, and the second driving mechanism is engaged with the second rack bars disposed on the two opposite side frames of the upper solar panel 42. Therefore, the middle-layer solar panel 41 and the upper-layer solar panel 42 are driven to automatically fold and unfold through the engagement between the first driving mechanism and the second driving mechanism and the corresponding first rack and the second rack, and the design is convenient, practical and time-saving and labor-saving.
Further, the first driving mechanism and the second driving mechanism are preferably step motors, and are commonly used in the related art with respect to the specific structural design between the first driving mechanism and the second driving mechanism and between the corresponding first rack and the corresponding second rack, which is not described in detail herein.
The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.

Claims (10)

1. A solar panel apparatus that conveniently unfolds, comprising:
the main solar panel is erected above the supporting body and is fastened with the supporting body;
the multistage slide rails are arranged on two opposite sides of the main solar panel;
the expansion solar panel is erected above the main solar panel, two opposite side walls of the expansion solar panel are respectively fastened with the corresponding multistage slide rails, and a supporting component matched with the main solar panel is arranged at the bottom of the expansion solar panel.
2. The solar panel device convenient to unfold and unfold of claim 1, wherein the multi-stage slide rails comprise an inner multi-stage slide rail and an outer multi-stage slide rail which are erected outwards from two opposite sides of the main solar panel, and the height of the outer multi-stage slide rail is greater than that of the inner multi-stage slide rail;
the expansion solar panel comprises a middle-layer solar panel erected above the main solar panel and an upper-layer solar panel erected above the middle-layer solar panel;
two opposite side walls of the middle-layer solar panel are respectively fastened with the corresponding inner-layer multistage slide rails; the two opposite side walls of the upper-layer solar panel are respectively fastened with the corresponding outer-layer multistage slide rails.
3. The solar panel device according to claim 2, wherein the support assembly comprises a guide rail disposed on a lower bottom surface of the upper solar panel, a support member slidably connected to the guide rail, a first magnetic attraction member or a first engaging member disposed at one end of the guide rail for positioning the support member, and a second magnetic attraction member or a second engaging member disposed at one end of the middle solar panel for driving the support member to move synchronously with the middle solar panel; the lower end of the support piece is in sliding fit with the upper surface of the main solar panel.
4. The solar panel device as claimed in claim 3, wherein when the middle solar panel is unfolded or folded, the supporting member is magnetically attracted by the second magnetic member or the second engaging member to slide synchronously with the middle solar panel.
5. The solar panel apparatus as claimed in claim 4, wherein the middle solar panel is provided with a first middle bearing frame and a second middle bearing frame at opposite sides thereof, and when the middle solar panel is unfolded, the middle bearing rollers disposed at the bottom of the second middle bearing frame are engaged with the upper surface of the main solar panel; the height of the first middle layer bearing frame is greater than that of the second middle layer bearing frame.
6. The solar panel device as claimed in claim 5, wherein the second magnetic member or the second engaging member is disposed on an outer side of the second middle layer load-bearing frame and engaged with the supporting member.
7. The solar panel apparatus of claim 5, wherein the upper solar panel is provided with a first upper load-bearing frame and a second upper load-bearing frame on opposite sides thereof;
when the upper solar panel is unfolded, the upper layer bearing idler wheels arranged on the lower bottom surface of the second upper layer bearing frame are lapped on the upper surface of the middle solar panel and roll along the upper surface of the middle solar panel;
when the upper layer solar panel and the middle layer solar panel are unfolded and separated, the supporting piece positioned below the upper layer bearing frame is supported on the upper surface of the main solar panel.
8. The solar panel apparatus of claim 7, wherein the height of the first upper load-bearing frame is greater than the height of the second upper load-bearing frame.
9. The solar panel apparatus as claimed in claim 2, further comprising a driving mechanism for driving the middle solar panel and the upper solar panel to automatically unfold and a locking mechanism for positioning the middle solar panel and the upper solar panel.
10. The solar panel apparatus according to claim 9, wherein the driving mechanism comprises a first driving mechanism and a second driving mechanism; the first driving mechanism is arranged on the middle-layer solar panel, and the second driving mechanism is arranged on the upper-layer solar panel; the first driving mechanism is meshed with first racks arranged on two opposite frames of the middle-layer solar panel, and the second driving mechanism is meshed with second racks arranged on two opposite frames of the upper-layer solar panel.
CN202110517518.2A 2021-05-12 2021-05-12 Solar panel device convenient to fold and unfold Pending CN113225010A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110517518.2A CN113225010A (en) 2021-05-12 2021-05-12 Solar panel device convenient to fold and unfold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110517518.2A CN113225010A (en) 2021-05-12 2021-05-12 Solar panel device convenient to fold and unfold

Publications (1)

Publication Number Publication Date
CN113225010A true CN113225010A (en) 2021-08-06

Family

ID=77095106

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110517518.2A Pending CN113225010A (en) 2021-05-12 2021-05-12 Solar panel device convenient to fold and unfold

Country Status (1)

Country Link
CN (1) CN113225010A (en)

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