CN202332781U - High-adsorptivity spliced-type carbon fiber U slot - Google Patents
High-adsorptivity spliced-type carbon fiber U slot Download PDFInfo
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- CN202332781U CN202332781U CN2011204227603U CN201120422760U CN202332781U CN 202332781 U CN202332781 U CN 202332781U CN 2011204227603 U CN2011204227603 U CN 2011204227603U CN 201120422760 U CN201120422760 U CN 201120422760U CN 202332781 U CN202332781 U CN 202332781U
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Abstract
The utility model relates to a U slot, particularly a high-adsorptivity spliced-type carbon fiber U slot, belonging to the technical field of application of solar cells. The high-adsorptivity spliced-type carbon fiber U slot comprises a first left carbon fiber board, a second left carbon fiber board, a third left carbon fiber board, a top carbon fiber board, a first right carbon fiber board, a second right carbon fiber board and a third right carbon fiber board, wherein the first left carbon fiber board, the second left carbon fiber board and the third left carbon fiber board are fixed through a plurality of first left connecting boards; the third left carbon fiber board and the top carbon fiber board are fixed through a plurality of second left connecting boards; the top carbon fiber board and the third right carbon fiber board are fixed through a plurality of second right connecting board; and the first right carbon fiber board, the second right carbon fiber board and the third right carbon fiber board are fixed through a plurality of first right connecting boards. The main body of the U slot is made of the carbon fiber boards, thereby preventing silicon carbide from falling off the internal surface of the U slot to the cells to pollute the cells due to vibrations.
Description
Technical field
The utility model relates to a kind of U type groove, and the spliced carbon fiber U of a kind of specifically high absorption type groove belongs to the solar cell application technical field.
Background technology
To great attention, as far back as during the Seventh Five-Year Plan period, national key subjects have been listed in the research work of amorphous silicon semiconductor in to the research and development one of solar cell in China; 85 and during the State's Ninth Five-Year Plan period, China focuses on aspect such as solar energy in large area battery to research and development.In October, 2003; National Development and Reform Committee, the Department of Science and Technology make the development plan of the five-year solar energy resources; Committee of Development and Reform's " bright engineering " 10,000,000,000 yuan of application that are used to advance solar energy generation technology of will raising funds are planned national solar power system total installation of generating capacity in 2015 and are reached 300 megawatts.China has become the maximum manufacturing nation of global photovoltaic product, and China is about to " the new forms of energy development planning " of appearance, and the installed capacity of China's photovoltaic generation is planned to the year two thousand twenty and reaches 20GW, is more than 10 times of original " regenerative resource medium-term and long-term plans " middle 1.8GW.
2002, relevant ministries and commissions of country started " the energising plan of western provinces and regions Wu Dian township ", solve the electrical problem in Wu Dian township, western seven provinces and regions through solar energy and small-size wind power-generating.The startup of this project has stimulated the solar power generation industry greatly, and the domestic packaging line of building up several solar cells increases sharply the year output of solar cell.According to scholarly forecast, China's photovoltaic market demand is annual 5MW at present, and 2001～2010 years, annual requirement will reach 10MW, and since 2011, China's photovoltaic market annual requirement will be greater than 20MW.
Present domestic solar power silicon manufacturing enterprise mainly contains manufacturers such as Luoyang Monocrystalline Silicon Factory, monocrystalline silicon base, Ningjin, Hebei and Sichuan high eyebrow semi-conducting material factory; Wherein monocrystalline silicon base in Ningjin, Hebei is solar monocrystalline silicon production base the biggest in the world, accounts for about 25% of world's solar monocrystalline silicon market share.
Increasingly mature along with the fast development of photovoltaic industry and photovoltaic industry; Market has proposed increasingly high requirement to solar battery sheet; The uniformity of solar battery sheet surface coating not only influences outward appearance; Also can influence simultaneously the photoelectric conversion efficiency of solar cell; And the link that coated surface is handled on the battery sheet is to pollute the process links of battery sheet than being easier to because attached to the silicon nitride above the stainless steel U type groove peels off, and U type groove adopts the stainless steel bending and molding more in the market, and concrete structure is as shown in Figure 9.In the course of the work; Carrying out along with the plated film reaction; Deposit in the chamber not only can form silicon nitride film on the solar battery sheet surface, also can form one deck silicon nitride film at the inner surface of U type groove simultaneously, along with the daily life of a family of operating time; Form the hard silicon nitride layer of one deck quality attached to the silicon nitride of U type rooved face can be more and more thicker; And the thermal coefficient of expansion of silicon nitride layer and stainless thermal coefficient of expansion have very big difference, so when machine vibration or variations in temperature, drop on attached to the silicon nitride on the stainless steel U type groove can peel off and to form impurity on the solar battery sheet; And drop on the battery sheet impurity can along with the reaction carrying out finally together with deposit attached on the battery sheet, influence the uniformity of the surfaces nitrided silicon fiml of battery sheet, and then influence the outward appearance and the conversion ratio of battery sheet.
Summary of the invention
The purpose of the utility model is to overcome above-mentioned weak point; The spliced carbon fiber U of a kind of high absorption type groove is provided; Through strengthening the strong adsorption capacity of its surface, prevent that the silicon nitride particle that peels off from dropping on the battery sheet and influence the surface quality of battery sheet and the conversion efficiency of battery sheet to silicon nitride.The thermal coefficient of expansion of carbon fibre material and the thermal coefficient of expansion of silicon nitride are approximate; Therefore in the time of variations in temperature;, pollutes the silicon nitride of carbon fiber U type groove inner surface the battery sheet attached to being not easy to flake off on the solar battery sheet; And carbon fiber has coarse surface, and silicon nitride is had very strong adsorption capacity, and then influences the outward appearance and the conversion ratio of battery sheet.
The technical scheme that provides according to the utility model; The spliced carbon fiber U type groove of high absorption comprises the first left carbon fiber board, the second left carbon fiber board, the 3rd left carbon fiber board, top carbon fiber board, the first right carbon fiber board, the second right carbon fiber board and the 3rd right carbon fiber board; Adopt some first left connecting plates to fix between the first left carbon fiber board, the second left carbon fiber board and the 3rd left carbon fiber board; Adopt some second left connecting plates to fix between the 3rd left carbon fiber board and the top carbon fiber board; Adopt some second right connecting plates to fix between top carbon fiber board and the 3rd right carbon fiber board, adopt some first right connecting plates to fix between the first right carbon fiber board, the second right carbon fiber board and the 3rd right carbon fiber board; Wherein, the long limit of the first left carbon fiber board, the second left carbon fiber board, the 3rd left carbon fiber board, top carbon fiber board, the first right carbon fiber board, the second right carbon fiber board and the 3rd right carbon fiber board is in turn connected into the groove that section is approximated to the U type.
On the 3rd left carbon fiber board and the 3rd right carbon fiber board, be provided with a L type brace.
Be provided with several Long Circle grooves on the said first left connecting plate, the second left connecting plate and the first right connecting plate.
Be provided with first circular hole in the circular groove on the said second left connecting plate and the first right connecting plate.
Be provided with several second circular holes on the said first left connecting plate, the second left connecting plate, the first right connecting plate and the second right connecting plate.
The corrosion resistant plate that the said first left connecting plate, the second left connecting plate, the first right connecting plate and the second right connecting plate are not quite similar for the bending angle.
The utlity model has following advantage:
The material that
this utility model is selected for use is the cell body that carbon fiber board is done U type groove; The coarse surface of carbon fibre material makes it to silicon nitride stronger adsorption capacity arranged with respect to stainless steel trough body, and the carborundum that reduces to be caused by vibrations peels off the phenomenon that drops to battery sheet pollution battery sheet from U type groove inner surface.
The silicon nitride that forms in
carbon fibre material that this utility model adopted and the reaction has approximate thermal coefficient of expansion, therefore silicon nitride is peeled off from carbon fiber U type groove.
3. this utility model adopts the mode that carbon fiber board and stainless steel bending plate splice with threaded connector, and manufacturing process is simple, safeguards easily.
Description of drawings
Fig. 1 is the stereogram of the utility model.
Fig. 2 is top fiberboard structure figure.
Fig. 3 is the 3rd left and right carbon fiber board structure chart.
Fig. 4 is the second left and right carbon fiber board structure chart.
Fig. 5 is first left and right sides carbon fiber board structure chart.
Fig. 6 is the second left connecting plate structure chart.
Fig. 7 is the first left and right connecting plate structure chart.
Fig. 8 is the second right connecting plate structure chart.
Fig. 9 is existing product structure figure.
Description of reference numerals: 1, the first left carbon fiber board, 2, the first left connecting plate, the 3, the 3rd left carbon fiber board, 4, the top carbon fiber board; 5, Long Circle groove, 6, first circular hole, the 7, the 3rd right carbon fiber board, 8, the second left connecting plate; 9, the second right connecting plate, 10, second circular hole, 11, L type brace, 12, the first right connecting plate; 13, the first right carbon fiber board, 14, the second right carbon fiber board, 15, the second left carbon fiber board.
Embodiment
Shown in Fig. 1-4, the spliced carbon fiber U type groove of high absorption comprises the left carbon fiber board of the left carbon fiber board of the first left carbon fiber board 1, second the 15, the 3rd 3, top carbon fiber board 4, first right carbon fiber board 13, second right carbon fiber board 14 and the 3rd right carbon fiber board 7; Adopt some first left connecting plates 2 to fix between first left carbon fiber board 1, the second left carbon fiber board 15 and the 3rd left carbon fiber board 3; Adopt some second left connecting plates 8 to fix between the 3rd left carbon fiber board 3 and the top carbon fiber board 4; Adopt some second right connecting plates 9 to fix between top carbon fiber board 4 and the 3rd right carbon fiber board 7, adopt some first right connecting plates 12 to fix between first right carbon fiber board 13, the second right carbon fiber board 14 and the 3rd right carbon fiber board 7; Wherein, the long limit of the left carbon fiber board of the left carbon fiber board of the first left carbon fiber board 1, second the 15, the 3rd 3, top carbon fiber board 4, first right carbon fiber board 13, the second right carbon fiber board 14 and the 3rd right carbon fiber board 7 is in turn connected into the groove that section is approximated to the U type.
On the 3rd left carbon fiber board 3 and the 3rd right carbon fiber board 7, be provided with a L type brace 11.
As shown in Figure 6, the second left connecting plate 8 is made up of corrosion resistant plate two one, that be certain angle of inclination 81, corrosion resistant plate 82, and it is provided with several Long Circle grooves 5 and several second circular holes 10.
Like Fig. 1, shown in 7; The first left connecting plate 2 and the first right connecting plate 12 are made up of corrosion resistant plate three one, that be certain angle of inclination 21, corrosion resistant plate 22, corrosion resistant plate 23; It is provided with several second circular holes 10 and several Long Circle grooves 5, also is provided with first circular hole 6 in the Long Circle groove 5.
As shown in Figure 8, the second right connecting plate 9 is made up of corrosion resistant plate two one, that be certain angle of inclination 91, corrosion resistant plate 92, and it is provided with several second circular holes 10.
The utility model reduces the adsorption capacity very strong to silicon nitride through its surface; Because of the silicon nitride particle that peels off drops to the surface quality that influences the battery sheet on the battery sheet and the conversion efficiency of battery sheet; The thermal coefficient of expansion of carbon fibre material and the thermal coefficient of expansion of silicon nitride are similar; Make in the time of variations in temperature, pollute on the battery sheet attached to the silicon nitride of this carbon fiber U type groove inner surface is not easy to flake off on the solar battery sheet.
Claims (6)
1. the spliced carbon fiber U type groove of high absorption is characterized in that: comprise the first left carbon fiber board (1), the second left carbon fiber board (15), the 3rd left carbon fiber board (3), top carbon fiber board (4), the first right carbon fiber board (13), the second right carbon fiber board (14) and the 3rd right carbon fiber board (7); Adopt the first left connecting plate (2) fixing between the first left carbon fiber board (1), the second left carbon fiber board (15) and the 3rd left carbon fiber board (3); Adopt the second left connecting plate (8) fixing between the 3rd left carbon fiber board (3) and the top carbon fiber board (4); Adopt the second right connecting plate (9) fixing between top carbon fiber board (4) and the 3rd right carbon fiber board (7), adopt the first right connecting plate (12) fixing between the first right carbon fiber board (13), the second right carbon fiber board (14) and the 3rd right carbon fiber board (7); Wherein, the long limit of the first left carbon fiber board (1), the second left carbon fiber board (15), the 3rd left carbon fiber board (3), top carbon fiber board (4), the first right carbon fiber board (13), the second right carbon fiber board (14) and the 3rd right carbon fiber board (7) is in turn connected into the groove that section is approximated to the U type.
2. according to the spliced carbon fiber U type groove of the said high absorption of claim 1, it is characterized in that: on the 3rd left carbon fiber board (3) and the 3rd right carbon fiber board (7), be provided with a L type brace (11).
3. according to the spliced carbon fiber U type groove of the said high absorption of claim 1, it is characterized in that: be provided with several Long Circle grooves (5) on the said first left connecting plate (2), the second left connecting plate (8) and the first right connecting plate (12).
4. according to the spliced carbon fiber U type groove of the said high absorption of claim 3, it is characterized in that: be provided with first circular hole (6) in the circular groove (5) on the said second left connecting plate (8) and the first right connecting plate (12).
5. according to the spliced carbon fiber U type groove of the said high absorption of claim 1, it is characterized in that: be provided with several second circular holes (10) on the said first left connecting plate (2), the second left connecting plate (8), the first right connecting plate (12) and the second right connecting plate (9).
6. according to the spliced carbon fiber U type groove of the said high absorption of claim 1, it is characterized in that: the corrosion resistant plate that the said first left connecting plate (2), the second left connecting plate (8), the first right connecting plate (12) and the second right connecting plate (9) are not quite similar for the bending angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204227603U CN202332781U (en) | 2011-10-31 | 2011-10-31 | High-adsorptivity spliced-type carbon fiber U slot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204227603U CN202332781U (en) | 2011-10-31 | 2011-10-31 | High-adsorptivity spliced-type carbon fiber U slot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202332781U true CN202332781U (en) | 2012-07-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204227603U Withdrawn - After Issue CN202332781U (en) | 2011-10-31 | 2011-10-31 | High-adsorptivity spliced-type carbon fiber U slot |
Country Status (1)
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|---|---|
| CN (1) | CN202332781U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102412108A (en) * | 2011-10-31 | 2012-04-11 | 无锡绿波新能源设备有限公司 | High-absorption assembled carbon fiber U-shaped groove |
-
2011
- 2011-10-31 CN CN2011204227603U patent/CN202332781U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102412108A (en) * | 2011-10-31 | 2012-04-11 | 无锡绿波新能源设备有限公司 | High-absorption assembled carbon fiber U-shaped groove |
| CN102412108B (en) * | 2011-10-31 | 2013-11-27 | 无锡绿波新能源设备有限公司 | High-absorption assembled carbon fiber U-shaped groove |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120711 Effective date of abandoning: 20131127 |
|
| RGAV | Abandon patent right to avoid regrant |