CN2488117Y - Optical path device with dust preventing function - Google Patents
Optical path device with dust preventing function Download PDFInfo
- Publication number
- CN2488117Y CN2488117Y CN 01229343 CN01229343U CN2488117Y CN 2488117 Y CN2488117 Y CN 2488117Y CN 01229343 CN01229343 CN 01229343 CN 01229343 U CN01229343 U CN 01229343U CN 2488117 Y CN2488117 Y CN 2488117Y
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- Prior art keywords
- optical path
- path device
- outer cover
- mentioned
- barricade
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- 230000003287 optical effect Effects 0.000 title claims abstract description 91
- 239000000428 dust Substances 0.000 title claims abstract description 49
- 230000009467 reduction Effects 0.000 claims description 30
- 238000003384 imaging method Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 230000008676 import Effects 0.000 claims description 4
- 230000004888 barrier function Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 241001269238 Data Species 0.000 description 2
- 235000010210 aluminium Nutrition 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000005622 photoelectricity Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- NHDHVHZZCFYRSB-UHFFFAOYSA-N pyriproxyfen Chemical compound C=1C=CC=NC=1OC(C)COC(C=C1)=CC=C1OC1=CC=CC=C1 NHDHVHZZCFYRSB-UHFFFAOYSA-N 0.000 description 1
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Abstract
An optical path device with dust preventing function uses a driving device to drive an optical system module group to execute manuscript image scanning. The optical system module group is protected by an outer housing, of which the upside surface is provided with a linear opening capable of introducing the scanned image, and then the introduced document image is captured by the optical system module group, wherein the upside surface of the outer housing is provided with at least one retaining wall; when the optical path device executes scanning, the retaining wall can provide an obstructing barrier to prevent external dust entering via the linear opening of the outer housing and cover on the surface of the optical system module group, so as to affect the quality of the scanned document image.
Description
The utility model relate to a kind of among scanner the optical path device in order to scan-image, be meant that especially a kind of its has the optical path device of dust reduction capability.
Optical scanner is a kind of photoelectricity transformation principle that utilizes, the video conversion of scanned object is become the computer peripheral product of numerical data, it mainly is to utilize the optical system module of optical path device inside to carry out the acquisition of document image, and see through photoelectricity transformation principle and convert signal of video signal to digital signal, export computer again to and handle.
See also shown in Figure 1ly, it is the optical scanner synoptic diagram for prior art; Scanner 10 has a casing 11, its upper shed is to interosculate with a loading plate 12, can place file 13 to be scanned on the loading plate 12, the below of loading plate 12 then is to have an optical path device 14, it can read the image of file 13, and be subjected to a drive unit 15 and drive, its scanning pattern along second direction is moved around and finish the scanning of file 13 images, one side of this external casing 11 also is combined with an enclosing cover 16, it can be covered on the file 13 when scanner 10 scans, and the image quality that is scanned to avoid is subjected to external influence and reduces.
See also shown in Figure 2, it is optical path device 14 synoptic diagram for prior art, comprise an outer cover 141, be to be a hollow housing structure, its uper side surface is provided with the linear opening 142 and the linear light sorurce 143 of first direction, the optical system module 20 that its inside has a plurality of optical elements and forms in the modularity mode, above-mentioned optical element is to comprise three catoptrons 21, one camera lens 22 and a charge coupled cell 3, during scanning, be to utilize linear light sorurce 143 to shine file 13 on loading plate 12, receive file 13 images that imported via linear opening 142 with catoptron 21 again, after the focal imaging of the reflection of passing through catoptron 21 and camera lens 22, capture with 23 pairs of file 13 images of charge coupled cell again.But because charge coupled cell 23 only can capture the linear image data of a first direction each time, but in fact a two-dimensional plane image data is to be combined by a plurality of linear image datas, therefore if optical path device 14 will scan a sheet of planar file 13, still must utilize drive unit 15 to drive optical path device 14 moves towards second direction, and read file 13 each image data seriatim at first direction, all be read the image scan of just finishing this flat file 13 up to all image datas.
Yet, because the linear opening 142 of outer cover 141 tops is for open, if scanner is not used for some time or is placed in the more space of dust, outer cover 141 side surface thereon has the deposition of dust unavoidably, if drive optical path device 14 with drive unit 15 and scan this moment, to be easy to make the dust be deposited on outer cover 141 uper side surfaces to be subjected to inertia effect or the influence of vibration and fall into optical path device 14 inside, and cover the inner member surface of optical system module 20, and then the scanning quality and the resolution of scanner 10 impacted.
In view of this, fundamental purpose of the present utility model is to provide a kind of optical path device with dust reduction capability, and it can make scanner when scanning, and extraneous dust is reduced to minimum to the influence of optical path device inner member, to obtain preferable image scan quality.
A kind of optical path device with dust reduction capability of the present utility model comprises: an outer cover is to be a hollow housing structure, and its top has the linear opening of first direction, and the image of scanning document can be imported by this linearity opening; One optical system module is to be located at above-mentioned outer cover inside by a plurality of optical elements in the modularity mode, and utilizes above-mentioned optical element acquisition to import the document image of linear opening; And a drive unit, be can drive above-mentioned outer cover and be located at its inner optical system to scan along second direction, wherein second direction is vertical with first direction; It is characterized in that: the above-mentioned outer top that covers on hollow housing is provided with at least one barricade.
Wherein this outer cover is to comprise first barricade and second barricade, and is located at two sides of the linear opening of above-mentioned outer cover respectively.
Wherein above-mentioned barricade is for linear structure and along the first direction setting.
It is to form outwards outstanding structure that wherein above-mentioned barricade is located therebetween, and its outstanding degree is little by little to be reduced to two sides by the centre.
Wherein above-mentioned barricade is to be provided with a cover plate above it, and its direction is to stretch out.
Wherein the metope of above-mentioned barricade is to be a curved surface, and the opening of this curved surface is toward the outer side.
Be to form between wherein above-mentioned barricade and the outer cover with integrally formed mode manufacturing.
Wherein the optical element of this optical system module internal is to comprise a plurality of catoptrons, a camera lens and a charge coupled cell, by the document image that linear opening imported of outer cover is after the focal imaging through the reflection of catoptron and camera lens, carries out the document image acquisition with charge coupled cell again.
Wherein this outer cover is to be provided with a linear fluorescent tube at least one side of linear opening.
Wherein outer cover also comprise a lampshade in order to ccontaining should the linearity fluorescent tube, above-mentioned barricade is to be incorporated on this lampshade.
Wherein this outer cover is to be respectively equipped with a linear fluorescent tube in two sides of linear opening.
A kind of optical path device of the utility model with dust reduction capability, it is characterized in that, comprise: an outer cover, be to be a hollow housing structure, its top has the linear opening of first direction, the image of scanning document can be imported by this linearity opening, and the above-mentioned in addition outer top that covers on hollow housing is provided with at least one barricade; One optical system module is to be located at above-mentioned outer cover inside by a plurality of optical elements in the modularity mode, and utilizes above-mentioned optical element acquisition to import the document image of linear opening; And a drive unit, be can drive above-mentioned outer cover and be located at its inner optical system to scan along second direction, wherein second direction is vertical with first direction.
Wherein this outer cover is to comprise first barricade and second barricade, and is located at two sides of the linear opening of above-mentioned outer cover respectively.
Wherein above-mentioned barricade is for linear structure and along the first direction setting.
It is to form outwards outstanding structure that wherein above-mentioned barricade is located therebetween, and its outstanding degree is little by little to be reduced to two sides by the centre.
Wherein above-mentioned barricade is to be provided with a cover plate above it, and its direction is to stretch out.
Wherein the metope of above-mentioned barricade is to be a curved surface, and the opening of this curved surface is toward the outer side.
Be to form between wherein above-mentioned barricade and the outer cover with integrally formed mode manufacturing.
Wherein the optical element of this optical system module internal is to comprise a plurality of catoptrons, a camera lens and a charge coupled cell, by the document image that linear opening imported of outer cover is after the focal imaging through the reflection of catoptron and camera lens, carries out the document image acquisition with charge coupled cell again.
Wherein this outer cover is to be provided with a linear fluorescent tube at least one side of linear opening.
Wherein outer cover also comprise a lampshade in order to ccontaining should the linearity fluorescent tube, above-mentioned barricade is to be incorporated on this lampshade.
Wherein this outer cover is to be respectively equipped with a linear fluorescent tube in two sides of linear opening.
Have further and to understand and approval for making the auditor can understand the purpose of this utility model, feature and effect really, below in conjunction with accompanying drawing describe in detail as after, wherein:
Fig. 1 is the optical scanner synoptic diagram for prior art;
Fig. 2 is the optical path device synoptic diagram for prior art;
Fig. 3 is optical path device synoptic diagram of the present utility model;
Fig. 4, Fig. 5 are variation illustration of the present utility model.
The utility model discloses a kind of optical path device with dust reduction capability, it is a barricade to be set above optical path device and to utilize barricade as barrier, to avoid extraneous dust that the optical system module is polluted, and then obtaining preferable image scan quality, its most preferred embodiment will be through following article as explanation.
Of the present utility model its has the optical path device of dust reduction capability and prior art structurally roughly the same, include an outer cover and an optical system module, and utilize drive unit driving optical path device to scan along the scanning pattern of second direction, it implements in detail situation can the reference background declaratives and repeat no more, and only are described in detail as follows at different part at this:
See also shown in Figure 3, for fear of optical path device 14 scanning process in, extraneous dust is fallen into optical system module 20 surfaces because of inertia effect or vibration relation, feature of the present utility model is that the uper side surface at outer cover 141 is provided with at least one vertical barricade 30 (is the best with two), above-mentioned two barricades 30 are the dual side-edge settings along the linear opening 142 of uper side surface, and above this vertical barricade 30, be to be provided with a cover plate 31, its direction is to stretch to the outer, above-mentioned vertical barricade 30 can be carried out in the process of scanning at optical path device 14, provide a suitable barrier to fall into optical system module 20 surfaces by the linear opening 142 of outer cover 141 to avoid extraneous dust, the cover plate 31 of being located at barricade 30 tops in addition is more because have the function that stops extraneous dust to cross barricade 30 and enter outer cover 141 inside by linear opening 142, therefore can guarantee more that file 13 image qualities that scanned can not be subjected to the pollution of dust and reduce, be with the integrally formed the best that is designed between barricade 31 wherein of the present utility model and the outer cover 141, if for example outer cover 141 aluminiums then can form in the manufacturing of aluminium extruded pull forming mode, in addition, barricade 30 set positions also can be above the lampshade of linear light sorurce 142.
See also shown in Figure 4, it is the variation illustration for barricade moulding of the present utility model, the opening that can be designed to curved-surface structure and curved surface by barricade 30a of the present utility model as can be known among the figure in moulding is toward the outer side, outside it can be barred from most dust, to reduce dust optical system module 20 is polluted, and then influence the quality of file 13 image scans.But because the barricade 30a of Fig. 4 design can only be barred from extraneous dust the barricade 30a outside and dust can't be dredged away, therefore probably cause the heap of dust to guess more and more, therefore Fig. 5 designs a kind of barricade 30b with diversion function it can be guided away dust, its embodiment is to be to be designed to outwards outstanding structure with barricade 30b, its outstanding degree is little by little to be reduced to two sides by the centre, therefore make the surface of barricade 30b form two guide faces, when optical path device 14 is scanning when mobile, above-mentioned guide face can be guided away the dust in the external world to avoid being deposited in the uper side surface of optical path device 14.
Certainly; the above only is the preferred embodiment with optical path device of dust reduction capability of the present utility model; it is not in order to limit practical range of the present utility model; anyly have the knack of this skill person and all should belong to scope of the present utility model in the modification of making without prejudice to spirit of the present utility model, therefore protection domain of the present utility model when with following described claim as foundation.
Claims (22)
1. optical path device with dust reduction capability comprises:
One outer cover is to be a hollow housing structure, and its top has the linear opening of first direction, and the image of scanning document can be imported by this linearity opening;
One optical system module is to be located at above-mentioned outer cover inside by a plurality of optical elements in the modularity mode, and utilizes above-mentioned optical element acquisition to import the document image of linear opening; And
One drive unit is can drive above-mentioned outer cover and be located at its inner optical system to scan along second direction, and wherein second direction is vertical with first direction;
It is characterized in that:
The above-mentioned outer top that covers on hollow housing is provided with at least one barricade.
2. the optical path device with dust reduction capability according to claim 1 is characterized in that, wherein this outer cover is to comprise first barricade and second barricade, and is located at two sides of the linear opening of above-mentioned outer cover respectively.
3. the optical path device with dust reduction capability according to claim 1 is characterized in that, wherein above-mentioned barricade is for linear structure and along the first direction setting.
4. the optical path device with dust reduction capability according to claim 1 is characterized in that, it is to form outwards outstanding structure that wherein above-mentioned barricade is located therebetween, and its outstanding degree is little by little to be reduced to two sides by the centre.
5. the optical path device with dust reduction capability according to claim 1 is characterized in that, wherein above-mentioned barricade is to be provided with a cover plate above it, and its direction is to stretch out.
6. the optical path device with dust reduction capability according to claim 1 is characterized in that, wherein the metope of above-mentioned barricade is to be a curved surface, and the opening of this curved surface is toward the outer side.
7. the optical path device with dust reduction capability according to claim 1 is characterized in that, is to form with integrally formed mode manufacturing between wherein above-mentioned barricade and the outer cover.
8. the optical path device with dust reduction capability according to claim 1, it is characterized in that, wherein the optical element of this optical system module internal is to comprise a plurality of catoptrons, a camera lens and a charge coupled cell, by the document image that linear opening imported of outer cover is after the focal imaging through the reflection of catoptron and camera lens, carries out the document image acquisition with charge coupled cell again.
9. the optical path device with dust reduction capability according to claim 1 is characterized in that, wherein this outer cover is to be provided with a linear fluorescent tube at least one side of linear opening.
10. the optical path device with dust reduction capability according to claim 9 is characterized in that, wherein outer cover also comprise a lampshade in order to ccontaining should the linearity fluorescent tube, above-mentioned barricade is to be incorporated on this lampshade.
11. the optical path device with dust reduction capability according to claim 9 is characterized in that, wherein this outer cover is to be respectively equipped with a linear fluorescent tube in two sides of linear opening.
12. the optical path device with dust reduction capability is characterized in that, comprising:
One outer cover is to be a hollow housing structure, and its top has the linear opening of first direction, and the image of scanning document can be imported by this linearity opening, and the above-mentioned in addition outer top that covers on hollow housing is provided with at least one barricade;
One optical system module is to be located at above-mentioned outer cover inside by a plurality of optical elements in the modularity mode, and utilizes above-mentioned optical element acquisition to import the document image of linear opening; And
One drive unit is can drive above-mentioned outer cover and be located at its inner optical system to scan along second direction, and wherein second direction is vertical with first direction.
13. the optical path device with dust reduction capability according to claim 12 is characterized in that, wherein this outer cover is to comprise first barricade and second barricade, and is located at two sides of the linear opening of above-mentioned outer cover respectively.
14. the optical path device with dust reduction capability according to claim 12 is characterized in that, wherein above-mentioned barricade is for linear structure and along the first direction setting.
15. the optical path device with dust reduction capability according to claim 12 is characterized in that, it is to form outwards outstanding structure that wherein above-mentioned barricade is located therebetween, and its outstanding degree is little by little to be reduced to two sides by the centre.
16. the optical path device with dust reduction capability according to claim 12 is characterized in that, wherein above-mentioned barricade is to be provided with a cover plate above it, and its direction is to stretch out.
17. the optical path device with dust reduction capability according to claim 12 is characterized in that, wherein the metope of above-mentioned barricade is to be a curved surface, and the opening of this curved surface is toward the outer side.
18. the optical path device with dust reduction capability according to claim 12 is characterized in that, is to form with integrally formed mode manufacturing between wherein above-mentioned barricade and the outer cover.
19. the optical path device with dust reduction capability according to claim 12, it is characterized in that, wherein the optical element of this optical system module internal is to comprise a plurality of catoptrons, a camera lens and a charge coupled cell, by the document image that linear opening imported of outer cover is after the focal imaging through the reflection of catoptron and camera lens, carries out the document image acquisition with charge coupled cell again.
20. the optical path device with dust reduction capability according to claim 12 is characterized in that, wherein this outer cover is to be provided with a linear fluorescent tube at least one side of linear opening.
21. the optical path device with dust reduction capability according to claim 12 is characterized in that, wherein outer cover also comprise a lampshade in order to ccontaining should the linearity fluorescent tube, above-mentioned barricade is to be incorporated on this lampshade.
22. the optical path device with dust reduction capability according to claim 12 is characterized in that, wherein this outer cover is to be respectively equipped with a linear fluorescent tube in two sides of linear opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01229343 CN2488117Y (en) | 2001-06-28 | 2001-06-28 | Optical path device with dust preventing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01229343 CN2488117Y (en) | 2001-06-28 | 2001-06-28 | Optical path device with dust preventing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2488117Y true CN2488117Y (en) | 2002-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01229343 Expired - Fee Related CN2488117Y (en) | 2001-06-28 | 2001-06-28 | Optical path device with dust preventing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2488117Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100439858C (en) * | 2005-05-12 | 2008-12-03 | 恪纳腾技术公司 | Interferometry measurement in disturbed environments |
| CN101661161B (en) * | 2008-08-28 | 2012-11-21 | 夏普株式会社 | Optical box, optical scanner, and image forming apparatus |
-
2001
- 2001-06-28 CN CN 01229343 patent/CN2488117Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100439858C (en) * | 2005-05-12 | 2008-12-03 | 恪纳腾技术公司 | Interferometry measurement in disturbed environments |
| CN101661161B (en) * | 2008-08-28 | 2012-11-21 | 夏普株式会社 | Optical box, optical scanner, and image forming apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |