CN2535811Y - Linear type Fresnel lens - Google Patents
Linear type Fresnel lens Download PDFInfo
- Publication number
- CN2535811Y CN2535811Y CN 02220152 CN02220152U CN2535811Y CN 2535811 Y CN2535811 Y CN 2535811Y CN 02220152 CN02220152 CN 02220152 CN 02220152 U CN02220152 U CN 02220152U CN 2535811 Y CN2535811 Y CN 2535811Y
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- CN
- China
- Prior art keywords
- fresnel
- utility
- model
- linear type
- area
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a linear type Fresnel lens which is used for the light collection of solar photoelectric cells on aerial crafts and artificial satellites and belongs to the technical field of optical components, wherein Fresnel fringe teeth which are principally adopted are casted on a basal body, and the range of the degree of a Fresnel angle is from 0 to 70 degrees. The utility model has the advantages that the structure is simple, compact and reasonable, when the focusing ratio is 1:5, the light of the entire area can be focalized on one-fifth area, thereby four-fifths of the photoelectric cells can be saved but the light current obtained on one-fifth area is the same as the light current obtained on the entire area, two-fifths of the fabrication cost is saved after linear type Fresnel lenses are applied on aerial crafts and satellites, the weight of the satellites is lightened as a result of the reduction of the photoelectric cells, thereby other satellite loads can be increased or launching weight can be reduced, and energy sources can be greatly saved.
Description
Technical field:
The utility model relates to a kind of linear pattern Fresnel lens, is used for the light harvesting of solar photocell on aircraft and the artificial satellite, belongs to the optical component technical field.
Technical background:
Before the utility model was made, in prior art, the solar cell that is used on aircraft and the artificial satellite did not have light collecting device, mainly was to lay the photoelectric cell generating by gross area.Because gross area is laid photoelectric cell, photronic cost is very high, causes the cost of spacecraft and satellite to improve, and accounts for more than 1/2 of whole satellite cost, and in light weight, just can increase other satellite load or reduce throw-weight.
Technology contents:
It is a kind of simple in structure, compact, reasonable that the purpose of this utility model is to provide; Low cost of manufacture, easy to install and use; Under equal area, can save 4/5 photoelectric cell and can obtain the photocurrent that gross area obtains equally, and can save the linear pattern Fresnel lens of spacecraft and artificial satellite cost greatly.
Main solution of the present utility model is achieved in that
It mainly is made up of matrix 1, Fresnel fringe tooth 2.Fresnel fringe tooth 2 casts on the matrix 1.Fresnel fringe tooth 2 is made up of some Fresnel angle 3, and the Fresnel angle is 0～70 °.
Description of drawings:
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model structure index path;
Embodiment:
Embodiment during following the utility model is incited somebody to action in conjunction with the accompanying drawings is further described:
The utility model is to be made by big empty material (transparent organic silicon rubber).Adopt Fresnel fringe tooth 2 to cast in and form eyeglass (can be once molding formed) on the matrix 1.Matrix 1 has 0.4～0.8mm thickness can support Fresnel fringe tooth 2.The decision of eyeglass width focuses on the F ratio, and its length is decided on demand.The main angle of being made of Fresnel fringe tooth 2 optical texture of Fresnel is Fresnel angle 3, and Fresnel angle 3 is made up of θ N+ α N.Fresnel angle 3 angles are 0～70 °.Fresnel fringe tooth 2 is made up of some Fresnel angle 3, press eyeglass width and tooth angle the size and decide.It is rack-mount when the utility model uses.
Compared with the prior art the utility model has the following advantages:
The utility model is simple, compact and reasonable for structure; Can be with gross area when focusing on when being 1: 5 Light focuses on 1/5 the area, thereby can save 4/5 photocell and obtain gross area and obtain equally Photoelectric current (photocell only is installed on the every lens); Can save after being applied on spacecraft and the satellite Economize 2/5 satellite cost; Cause alleviating of satellite weight after reducing photocell, just can increase other satellite Load or alleviate the weight of emission, and energy savings greatly.
Claims (2)
1, a kind of linear pattern Fresnel lens is characterized in that being made up of matrix (1), Fresnel fringe tooth (2), and Fresnel fringe tooth (2) casts on the matrix (1).
2, linear pattern Fresnel lens according to claim 1 is characterized in that described Fresnel angle (3) angle is 0～70 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02220152 CN2535811Y (en) | 2002-04-22 | 2002-04-22 | Linear type Fresnel lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02220152 CN2535811Y (en) | 2002-04-22 | 2002-04-22 | Linear type Fresnel lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2535811Y true CN2535811Y (en) | 2003-02-12 |
Family
ID=33698500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02220152 Expired - Fee Related CN2535811Y (en) | 2002-04-22 | 2002-04-22 | Linear type Fresnel lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2535811Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101887137A (en) * | 2010-06-01 | 2010-11-17 | 袁长胜 | Lens of solar power generation heat collection device |
-
2002
- 2002-04-22 CN CN 02220152 patent/CN2535811Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101887137A (en) * | 2010-06-01 | 2010-11-17 | 袁长胜 | Lens of solar power generation heat collection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20030212 |