CN203312335U - Wound type flexible thin-film solar cell - Google Patents
Wound type flexible thin-film solar cell Download PDFInfo
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- CN203312335U CN203312335U CN2013203118129U CN201320311812U CN203312335U CN 203312335 U CN203312335 U CN 203312335U CN 2013203118129 U CN2013203118129 U CN 2013203118129U CN 201320311812 U CN201320311812 U CN 201320311812U CN 203312335 U CN203312335 U CN 203312335U
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- flexible thin
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Abstract
The utility model discloses a wound type flexible thin-film solar cell. The solar cell comprises a winding drum shaft, a control circuit, an energy storage cell and a flexible thin-film cell assembly, wherein the winding drum shaft is hollowly arranged, the control circuit and the energy storage cell are fixedly mounted inside the winding drum shaft or are separately arranged on the outside of the winding drum shaft, the flexible thin-film cell assembly is wound on the outside of the winding drum shaft, and the control circuit is electrically connected with the energy storage cell. The wound type flexible thin-film solar cell has advantages that merits of light weight and thinness of a flexible thin-film solar cell are kept, the flexible solar cell becomes rigid from flexible when in transported and carried states, an excellent self-protection effect is realized, a conventional method for protecting and storing a winding functional element by the aid of an outer drum mechanism is omitted, the wound type flexible thin-film solar cell is compact in integral structure, and the size of the wound type flexible thin-film solar cell is minimized when the wound type flexible thin-film solar cell is in the transported and carried states. Furthermore, the wound type flexible thin-film solar cell has a good protection function, has light weight, and can be conveniently unfolded.
Description
Technical field
The utility model relates to technical field of solar batteries, particularly relates to a kind of rolled flexible thin-film solar cells.
Background technology
At present, along with scientific and technological fast development, the electronic product emerged in an endless stream, when meeting popular growing demand, also brings very large pressure to living environment.Existing general dry battery, as the main power source of these electronic products, consumption is increasing, and in these dry cells, except containing the metallic elements such as iron, zinc, manganese, also contain the micro-heavy metals such as mercury, if deal with improperly, these heavy metals just pollute the environment, and bring injury to the mankind, have statistics to show, No. 5 batteries of a joint can pollute the water of tens of cubic metres, and one square metre of soil is fallen into disuse.General dry battery is of many uses although can find out, also allows the mankind pay very large Environmental costs, and therefore, the research of solar battery technology is extremely urgent.
At present a large amount of solar cells that use are all to adopt the rigid substrate such as glass, and weight is large, can not be crooked, and the weight per unit power of finished product is about 300 kilograms every kilowatt, is not easy to mobile device and the individual carries use.Mobile device in the market obviously has bulking value excessive with the solar battery power system of carrying, and is easy to fragmentation, etc. significant deficiency, can't overcome by self-technique.
Therefore, for above-mentioned technical problem, be necessary to provide a kind of new rolled flexible thin-film solar cells.
The utility model content
In view of this, the purpose of this utility model is to provide a kind of rolled flexible thin-film solar cells, and its compact conformation is easy to carry about with one and transports.
To achieve these goals, the technical scheme that provides of the utility model embodiment is as follows:
A kind of rolled flexible thin-film solar cells, described solar cell comprise the hollow setting the winch spool axle, be fixedly installed in described winch spool axle inside or separate type and be located at control circuit and the energy storage battery of winch spool axle outside and reel and be arranged at the flexible thin-film battery assembly of described winch spool axle outside, described control circuit and energy storage battery are electrically connected.
As further improvement of the utility model, the cross section of described winch spool axle is circular, oval.
As further improvement of the utility model, the barrel of described winch spool axle comprises slotting grain or the plane of an installation control circuit at least.
As further improvement of the utility model, described winch spool axle is set for the eccentric, outside center and inside center are positioned at different positions, the at least part of wall thickness difference of described winch spool axle, at wall thickness maximum position place or side be provided be used to connecting the bindiny mechanism of flexible thin-film battery assembly and winch spool axle.
As further improvement of the utility model, described energy storage battery is one or more chargeable energy-storage batteries, comprises that various lithium ion battery connection in series-parallel connection form, and the capacity of each storage battery is 2000mAh～20000mAh.
As further improvement of the utility model, described solar cell is unijunction or ties flexible amorphous silicon-microcrystalline silicon film solar cell more, the assembly of flexible thin-film battery described in unijunction solar cell comprises flexible substrate and is located at the AL layer on flexible substrate, antireflection layer, by the N layer, the I layer, n-i-p structure or other types p-n junction structure that the P layer forms, and nesa coating, the assembly of flexible thin-film battery described in multijunction solar cell comprises flexible substrate and is located at the AL layer on flexible substrate, antireflection layer, the n-i-p structure more than 2 or 2 overlapped or other type p-n junction structure, and nesa coating.
As further improvement of the utility model, described nesa coating is connected with positive pole or the negative electrode of energy storage battery as positive electrode or the negative electrode of solar cell, and the AL layer is as negative pole or anodal be connected of back electrode with energy storage battery.
As further improvement of the utility model, at least one end of described winch spool axle is provided with electric energy output interface and the display interface be connected with control circuit.
As further improvement of the utility model, described rolled flexible thin-film solar cells also comprises the protective sleeve of accommodating that is arranged at the outside flexible thin-film battery assembly of winch spool axle be used to accommodating winch spool axle and coiling.
As further improvement of the utility model, described flexible thin-film solar cell is amorphous silicon-microcrystalline silicon film battery, CIGS battery, DSSC, organic solar batteries or GaAs battery.
The utility model rolled flexible thin-film solar cells has following beneficial effect:
The frivolous advantage that has retained flexible thin-film solar cell;
The characteristics that are easy to reel of flexible thin-film solar cell have further been skilfully used, it is wound on a shell hollow axle, through the multilaminate coiled support that adds the top cylinder axle, makes flexible battery when transportation and carrier state, become flexible and be rigidity, played excellent self-shield effect;
Control circuit and energy storage battery are sealed in winch spool axle inside, play a very good protection, and have extended the useful life of control circuit and energy storage battery, and structure is very compact, make product at transportation and carrier state, and volume minimizes;
Construction profile is smooth, symmetrical, attractive in appearance, lightweight, the expansion aspect, is a spotlight of carrying.
The accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, the accompanying drawing the following describes is only some embodiment that put down in writing in the utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation that in the utility model one embodiment, the rolled flexible thin-film solar cells is launched rear generating state;
Fig. 2 be in the utility model one embodiment the rolled flexible thin-film solar cells reel after the structural representation of transportation or carrier state.
Embodiment
In order to make those skilled in the art person understand better the technical scheme in the utility model, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making under the creative work prerequisite the every other embodiment obtained, and all should belong to the scope of the utility model protection.
Ginseng Fig. 1, shown in Figure 2 be respectively rolled flexible thin-film solar cells in the utility model one embodiment launch after generating state and reel after the structural representation of transportation or carrier state.
Rolled flexible thin-film solar cells in present embodiment comprises that the winch spool axle 10 of hollow setting, the control circuit 20 that is fixedly installed in winch spool axle 10 inside and energy storage battery 30 and coiling are arranged at the flexible thin-film battery assembly 40 of these winch spool axle 10 outsides, control circuit 20 and energy storage battery 30 are electrically connected, and control circuit 20 outwards discharges for controlling to energy storage battery 30 chargings and energy storage battery 30.
Preferably, the material of winch spool axle 10 is plastics, light metal material or composite material.Winch spool axle 10 is set for the eccentric, and outside center and inside center are positioned at different positions, causes the part wall thickness thicker, at wall thickness maximum position place or side be designed for the bindiny mechanism that connects flexible thin-film battery assembly and winch spool axle.Further, the barrel of winch spool axle 10 comprises slotting grain or the plane of an installation control circuit at least.
Further, control circuit 20 and energy storage battery 30 are arranged at the inside of winch spool axle 10, control circuit 20 be arranged in parallel with the axis of winch spool axle 10, energy storage battery 30 is that a lithium ion battery or a plurality of lithium ion battery are in series, lithium ion comprises all kinds rechargeable lithium ion batteries, and the capacity of each lithium battery is 2000mAH～20000mAh.The inner most of space of whole winch spool axle 10 all is used for installing control circuit 20 and energy storage battery 30, and structure is very compact, makes product at transportation and carrier state, and volume minimizes; Simultaneously two end caps can be set in the both sides of winch spool axle, control circuit and energy storage battery are sealed in to winch spool axle inside, play a very good protection, extend the useful life of control circuit and energy storage battery.
In present embodiment, at least one end of winch spool axle 10 is provided with electric energy output interface and the display interface 50 be connected with control circuit 20, can show the dump energy of energy storage battery 30, charges in time when dump energy is not enough.
In present embodiment, control circuit 20 and energy storage battery 30 are fixedly installed in winch spool axle 10 inside, but the solar cell for relatively high power, energy storage battery and control circuit may be because of reasons such as volume and weights, be not suitable for being arranged on winch spool axle inside, at this moment will adopt independently detachable energy storage battery and the control circuit that are arranged at winch spool axle outside.
Solar cell can or be tied flexible amorphous silicon-microcrystalline silicon film solar cell for unijunction more, in unijunction solar cell, flexible thin-film battery assembly 40 comprises flexible substrate and is located at the AL layer on flexible substrate, antireflection layer, by the N layer, I layer (intrinsic layer), n-i-p structure structure or other types p-n junction structure that the P layer forms, and nesa coating, flexible substrate can be ultra-thin tinsel or high-molecular organic material, on flexible substrate, be provided with successively the AL layer, antireflection layer (as the ZnO layer), the N layer, the I layer, P layer and nesa coating, nesa coating is connected with positive pole or the negative electrode of energy storage battery 30 as positive electrode or the negative electrode of solar cell, the AL layer is as negative pole or anodal be connected of back electrode with energy storage battery 30.The n-i-p structure structure more than 2 or 2 (being formed by N layer, I layer, P layer) or other types p-n junction structure and nesa coating that in multijunction solar cell, flexible thin-film battery assembly 40 comprises flexible substrate and is located at AL layer on flexible substrate, antireflection layer, overlaps, similarly, nesa coating is connected with positive pole or the negative electrode of energy storage battery 30 as positive electrode or the negative electrode of solar cell, and the AL layer is as negative pole or anodal be connected of back electrode with energy storage battery 30.
In prior art, thin-film solar cells refers to the solar cell that the battery functi on structural material except base material all consists of the thin-film materials such as semiconductor of micron or submicron thickness.And the solar cell in the utility model can be divided into according to flexible degree:
Half flexible thin-film solar cell: solar cell that can be crooked; Base material thickness is greater than 0.1mm, and such battery bending radius generally is greater than 50mm, and weight per unit area is greater than 2000 grams/square meter, and power density is generally less than the 25W/ kilogram.
The high flexibility thin-film solar cells: base material thickness is less than 0.1mm, the solar cell that the battery functi on structural material all consists of the thin-film materials such as semiconductor of micron or submicron thickness.Such battery bending radius significantly little (bending radius can be less than 15mm), and weight per unit area can be less than 1000 grams/square meter, and power density can be greater than the 50W/ kilogram.
Super flexible thin-film solar cell: the solar cell that the battery functi on structural material all consists of the thin-film materials such as semiconductor of micron or submicron thickness, gross thickness is 1 micron dimension.Such battery bending radius significantly little (bending radius can be less than 5mm), and weight per unit area can be less than 300 grams/square meter, and power density can be greater than the 150W/ kilogram.
Preferably, in the utility model, the rolled flexible thin-film solar cells is not limited to amorphous silicon-microcrystalline silicon film battery, also can be used for three or five family's batteries such as CIGS battery, DSSC, organic solar batteries or GaAs etc.
As shown in Figure 1 and Figure 2, in present embodiment, the cross section of winch spool axle 10 is circular, the material of winch spool axle 10 can be selected stainless steel etc., and the cross section of winch spool axle 10 can also be set to ellipse in other embodiments, and namely winch spool axle 10 is cylindrical or elliptical cylinder-shape.
In other execution modes of the utility model, the barrel of winch spool axle 10 can also be the combination of some planes and some cambered surfaces, only needs to control the bending radius that barrel bending radius everywhere meets the flexible thin-film battery assembly.So arrange, while after flexible thin-film solar cell launches, generating electricity, the plane of winch spool axle contacts with ground or other plane lay down locations, can prevent that the winch spool axle from rolling at lay down location, and then carry out work more efficiently.
The end of flexible thin-film battery assembly is equipped with some bandages, for the solar cell roll to after reeling, ties up, and the solar battery sheet after launching is hung, and the deadweight of reel can help solar battery sheet to keep deployed condition.
As can be seen from the above technical solutions, by Preparation equipment and technique are manufactured on ultrathin stainless steel substrate high flexibility solar cell, the finished product bending radius can be less than 15mm, and weight per unit area can be less than 1000/ square meter, and power density can be greater than the 50W/ kilogram; High flexibility and the super flexible thin-film solar cell on ultra-thin macromolecular material base material, manufactured by Preparation equipment and technique, but finished product bending radius is less than 5mm, weight per unit area can be less than 300 grams/square meter, power density can be greater than the 150W/ kilogram, has greatly expanded thus solar cell in mobile device and individual's application with oneself.
The innovative combination structure of the utility model and then proposition flexible thin-film solar cell and energy storage battery-control circuit, namely by supporting energy storage battery-control circuit, be arranged in a winch spool axle, utilize the very little characteristics of exclusive radius of curvature of flexible thin-film solar cell, be wound on outside this winch spool axle, be that externally-wound type is reeled, limber up as rigid body, played good self-shield, not only weight is the lightest to make flexible thin-film solar cell, and storing transportation, to carry volume the compactest, and flexible battery has also obtained maximum protection, the product design smoothness is attractive in appearance simultaneously.
The major part of the volume in the utility model in the winch spool axle all is utilized installs energy storage battery and control circuit, while having avoided control circuit etc. to be installed on outside by hard thing scratch, thereby ideally overcome the critical defect of prior art as mobile sun-generated electric power with carrying.
Further, the rolled flexible thin-film solar cells can also comprise that this accommodates protective sleeve can provide second protection to solar cell be used to accommodating the winch spool axle and the light-duty protective sleeve of accommodating of the thick flexible thin-film battery assembly of reeling.
By above-mentioned execution mode, can be found out, the utlity model has following beneficial effect:
The frivolous advantage that has retained flexible thin-film solar cell;
The characteristics that are easy to reel of flexible thin-film solar cell have further been skilfully used, it is wound on a shell hollow axle, through the multilaminate coiled support that adds the top cylinder axle, makes flexible battery when transportation and carrier state, become flexible and be rigidity, played excellent self-shield effect;
Control circuit and energy storage battery are sealed in winch spool axle inside, play a very good protection, and have extended the useful life of control circuit and energy storage battery, and structure is very compact, make product at transportation and carrier state, and volume minimizes;
Construction profile is smooth, symmetrical, attractive in appearance, lightweight, the expansion aspect, is a spotlight of carrying.
To those skilled in the art, obviously the utility model is not limited to the details of above-mentioned one exemplary embodiment, and in the situation that do not deviate from spirit of the present utility model or essential characteristic, can realize the utility model with other concrete form.Therefore, no matter from which point, all should regard embodiment as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims rather than above-mentioned explanation, therefore is intended to include in the utility model dropping on the implication that is equal to important document of claim and all changes in scope.Any Reference numeral in claim should be considered as limit related claim.
In addition, be to be understood that, although this specification is described according to execution mode, but not each execution mode only comprises an independently technical scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should make specification as a whole, and the technical scheme in each embodiment also can, through appropriate combination, form other execution modes that it will be appreciated by those skilled in the art that.
Claims (10)
1. rolled flexible thin-film solar cells, it is characterized in that, described solar cell comprise the hollow setting the winch spool axle, be fixedly installed in described winch spool axle inside or separate type and be located at control circuit and the energy storage battery of winch spool axle outside and reel and be arranged at the flexible thin-film battery assembly of described winch spool axle outside, described control circuit and energy storage battery are electrically connected.
2. rolled flexible thin-film solar cells according to claim 1, is characterized in that, the cross section of described winch spool axle is circular, oval.
3. rolled flexible thin-film solar cells according to claim 1, is characterized in that, the barrel of described winch spool axle comprises slotting grain or the plane of an installation control circuit at least.
4. rolled flexible thin-film solar cells according to claim 1 and 2, it is characterized in that, described winch spool axle is set for the eccentric, outside center and inside center are positioned at different positions, the at least part of wall thickness difference of described winch spool axle, at wall thickness maximum position place or side be provided be used to connecting the bindiny mechanism of flexible thin-film battery assembly and winch spool axle.
5. rolled flexible thin-film solar cells according to claim 1, it is characterized in that, described energy storage battery is one or more chargeable energy-storage batteries, comprises that various lithium ion battery connection in series-parallel connection form, and the capacity of each storage battery is 2000mAh～20000mAh.
6. rolled flexible thin-film solar cells according to claim 5, it is characterized in that, described solar cell is unijunction or ties flexible amorphous silicon-microcrystalline silicon film solar cell more, the assembly of flexible thin-film battery described in unijunction solar cell comprises flexible substrate and is located at the AL layer on flexible substrate, antireflection layer, by the N layer, the I layer, n-i-p structure or other types p-n junction structure that the P layer forms, and nesa coating, the assembly of flexible thin-film battery described in multijunction solar cell comprises flexible substrate and is located at the AL layer on flexible substrate, antireflection layer, the n-i-p structure more than 2 or 2 overlapped or other type p-n junction structure, and nesa coating.
7. rolled flexible thin-film solar cells according to claim 6, it is characterized in that, described nesa coating is connected with positive pole or the negative electrode of energy storage battery as positive electrode or the negative electrode of solar cell, and the AL layer is as negative pole or anodal be connected of back electrode with energy storage battery.
8. rolled flexible thin-film solar cells according to claim 1, is characterized in that, at least one end of described winch spool axle is provided with electric energy output interface and the display interface be connected with control circuit.
9. rolled flexible thin-film solar cells according to claim 1; it is characterized in that, described rolled flexible thin-film solar cells also comprises the protective sleeve of accommodating that is arranged at the outside flexible thin-film battery assembly of winch spool axle be used to accommodating winch spool axle and coiling.
10. rolled flexible thin-film solar cells according to claim 1, it is characterized in that, described flexible thin-film solar cell is amorphous silicon-microcrystalline silicon film battery, CIGS battery, DSSC, organic solar batteries or GaAs battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203118129U CN203312335U (en) | 2013-05-31 | 2013-05-31 | Wound type flexible thin-film solar cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203118129U CN203312335U (en) | 2013-05-31 | 2013-05-31 | Wound type flexible thin-film solar cell |
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| Publication Number | Publication Date |
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| CN203312335U true CN203312335U (en) | 2013-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013203118129U Expired - Lifetime CN203312335U (en) | 2013-05-31 | 2013-05-31 | Wound type flexible thin-film solar cell |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103296111A (en) * | 2013-05-31 | 2013-09-11 | 苏州思博露光伏能源科技有限公司 | Wound flexible thin-film solar cell |
| CN106997788A (en) * | 2017-05-17 | 2017-08-01 | 深圳贝塔能量技术有限公司 | A kind of GaAs photovoltaic isotope battery |
| CN109026751A (en) * | 2018-09-20 | 2018-12-18 | 迈贝特（厦门）新能源有限公司 | A kind of Portable photovoltaic water pump and system |
-
2013
- 2013-05-31 CN CN2013203118129U patent/CN203312335U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103296111A (en) * | 2013-05-31 | 2013-09-11 | 苏州思博露光伏能源科技有限公司 | Wound flexible thin-film solar cell |
| CN106997788A (en) * | 2017-05-17 | 2017-08-01 | 深圳贝塔能量技术有限公司 | A kind of GaAs photovoltaic isotope battery |
| CN109026751A (en) * | 2018-09-20 | 2018-12-18 | 迈贝特（厦门）新能源有限公司 | A kind of Portable photovoltaic water pump and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181221 Address after: 225000 21 storeys, Block A, Zhigu Building, 186 Yangtze River Middle Road, Yangzhou Development Zone, Jiangsu Province Patentee after: Jiangsu Shunda New Energy Technology Co.,Ltd. Address before: 215153 No. 260 Luliangshan Road, Suzhou High-tech Zone, Jiangsu Province Patentee before: Suzhou Spruce Photovoltaic Energy Technologies, Inc. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131127 |
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| CX01 | Expiry of patent term |