CN109495667A - Coaxial light irradiation type contact image sensor module - Google Patents
Coaxial light irradiation type contact image sensor module Download PDFInfo
- Publication number
- CN109495667A CN109495667A CN201811553167.5A CN201811553167A CN109495667A CN 109495667 A CN109495667 A CN 109495667A CN 201811553167 A CN201811553167 A CN 201811553167A CN 109495667 A CN109495667 A CN 109495667A
- Authority
- CN
- China
- Prior art keywords
- type contact
- light irradiation
- sensor module
- image sensor
- contact image
- Prior art date
- 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.)
- Pending
Links
- 239000011521 glass Substances 0.000 claims abstract description 9
- 239000000758 substrate Substances 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/024—Details of scanning heads ; Means for illuminating the original
- H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
- H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
- H04N1/02885—Means for compensating spatially uneven illumination, e.g. an aperture arrangement
- H04N1/0289—Light diffusing elements, e.g. plates or filters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/024—Details of scanning heads ; Means for illuminating the original
- H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
- H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
- H04N1/02845—Means for illuminating the original, not specific to a particular type of pick-up head using an elongated light source, e.g. tubular lamp, LED array
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/024—Details of scanning heads ; Means for illuminating the original
- H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
- H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
- H04N1/02845—Means for illuminating the original, not specific to a particular type of pick-up head using an elongated light source, e.g. tubular lamp, LED array
- H04N1/02855—Means for illuminating the original, not specific to a particular type of pick-up head using an elongated light source, e.g. tubular lamp, LED array in combination with a light guide, e.g. optical fibre, glass plate
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/024—Details of scanning heads ; Means for illuminating the original
- H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
- H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
- H04N1/02845—Means for illuminating the original, not specific to a particular type of pick-up head using an elongated light source, e.g. tubular lamp, LED array
- H04N1/0286—Means for illuminating the original, not specific to a particular type of pick-up head using an elongated light source, e.g. tubular lamp, LED array in combination with a light integrating, concentrating or defusing cavity
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Facsimile Scanning Arrangements (AREA)
Abstract
本发明提供了同轴光照射型接触式影像传感器模块，包括壳体，安装在壳体上的传感器，位于传感器上方的柱状透镜，位于柱状透镜上方且呈倾斜布置的半反射镜，位于半反射镜上方的玻璃，放置在玻璃上的扫描物，位于半反射镜侧部的光源。本发明提供的同轴光照射型接触式影像传感器模块，光源发射的光经过半反射镜折射到扫描物表面，折射光垂直地照射扫描物，扫描物影像再反射依次经过半反射镜、柱状透镜到达传感器，扫描物表面可清楚呈现出来，不受表面反光影响，扫描效果更加清楚易分辨，避免造成误判，达到同轴光的原理，解决了扫描物的表面因反光而存在影像不清晰的问题，可达到反射光照射型接触式影像传感器模块所达不到的垂直光照射扫描的功能。
The present invention provides a coaxial light irradiation type contact image sensor module, comprising a housing, a sensor mounted on the housing, a cylindrical lens located above the sensor, a half-reflection mirror located above the cylindrical lens and arranged obliquely, located on the semi-reflective surface The glass above the mirror, the scanned object placed on the glass, the light source on the side of the half mirror. In the coaxial light irradiation type contact image sensor module provided by the present invention, the light emitted by the light source is refracted to the surface of the scanned object through a half mirror, the refracted light irradiates the scanned object vertically, and the image of the scanned object is then reflected through the half mirror and the cylindrical lens in turn. When reaching the sensor, the surface of the scanned object can be clearly displayed without being affected by surface reflection, the scanning effect is more clear and easy to distinguish, avoiding misjudgment, and achieving the principle of coaxial light, which solves the problem of unclear images due to reflection on the surface of the scanned object. The problem is that the function of vertical light irradiation scanning that cannot be achieved by the reflected light irradiation type contact image sensor module can be achieved.
Description
Technical field
The present invention relates to sensor module technical fields, more particularly to coaxial light irradiation type contact image sensor mould
Block.
Background technique
As shown in Figure 1 is reflection light irradiation type contact image sensor module in the prior art, uses 45 degree of angles
Reflected light go irradiation scanning object, scanning object be transmitted to contact image sensor again after reflected light is irradiated, if scanning object
It is bright face metal, it will usually because the illumination issues at 45 degree of angles of reflected light, lead to not the front surface of scanning to scanning object, cause
There are the unsharp problems of image due to reflective on the surface of scanning object.Reflection light irradiation type contact image sensor module at present
Be unable to reach vertical light irradiation, can only the irradiation of the 45 degree angles in side, cause to scan the surface of object because 45 degree of corner reflection light irradiate can not
Scan clear, axis light irradiation is the radiation modality using an angle of 90 degrees, can improve and cause because of the difference of light source radiating angle
The unsharp problem of image.
In view of this, it is necessary to sensor module in the prior art be improved, to solve the above problems.
Summary of the invention
It is an object of the invention to disclose coaxial light irradiation type contact image sensor module, the light of light source transmitting passes through
Half-reflecting mirror is refracted to scanning object surface, and refraction light vertically irradiates scanning object, and scanning object image is reflected successively again through more than half anti-
Mirror, cylindrical lenses arrival sensor are penetrated, scanning object surface can clearly appear from out, not influenced by surface reflection, and scanning effect is more
Add clearly easily resolution, avoid judging by accident, reach the principle of axis light, solve scanning object there are images due to reflective on surface
Unsharp problem can reach the vertical light irradiation scanning that reflection light irradiation type contact image sensor module is not achieved
Function.
To achieve the above object, the present invention provides coaxial light irradiation type contact image sensor module, including shell,
The sensor being mounted on shell, the cylindrical lenses above sensor, above cylindrical lenses and inclined arrangement
Half-reflecting mirror, the glass above half-reflecting mirror, the scanning object being placed on glass, the light source positioned at half-reflecting mirror side；
The light of the light source transmitting is refracted to scanning object surface by half-reflecting mirror, and scanning object image reflects again to pass through again by half-reflecting mirror
It crosses cylindrical lenses and reaches sensor.
In some embodiments, the half-reflecting mirror tilt angle is 30-60 °.
In some embodiments, the half-reflecting mirror tilt angle is 45 °.
In some embodiments, the light source is arranged vertically.
In some embodiments, the light source is LED array light source.
In some embodiments, diffuser plate is equipped between the light source and half-reflecting mirror.
It in some embodiments, further include PCB substrate, the sensor is arranged in PCB substrate.
In some embodiments, the sensor is sensing wafer.
Compared with prior art, the beneficial effects of the present invention are: coaxial light irradiation type contact-type image provided by the invention
The light of sensor module, light source transmitting is refracted to scanning object surface by half-reflecting mirror, and refraction light vertically irradiates scanning object, sweeps
It retouches object image to be reflected again successively by half-reflecting mirror, cylindrical lenses arrival sensor, scanning object surface can clearly appear from out, no
It is influenced by surface reflection, scanning effect is more clear easily to be differentiated, and is avoided judging by accident, is reached the principle of axis light, solve and sweep
Retouching the surface of object, there are the unsharp problems of image due to reflective, can reach reflection light irradiation type contact image sensor module
The function for the vertical light irradiation scanning being not achieved.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of reflection light irradiation type contact image sensor module in the prior art；
Fig. 2 is the structural schematic diagram of coaxial light irradiation type contact image sensor module shown in the present invention；
Fig. 3 is the structural schematic diagram of coaxial light irradiation type contact image sensor module shown in the present invention.
Specific embodiment
The present invention is described in detail for each embodiment shown in reference to the accompanying drawing, but it should be stated that, these
Embodiment is not limitation of the present invention, those of ordinary skill in the art according to these embodiments made by function, method,
Or equivalent transformation or substitution in structure, all belong to the scope of protection of the present invention within.
Coaxial light irradiation type contact image sensor module as shown in Figures 2 and 3, including shell 1, are mounted on shell 1
On sensor 8, the cylindrical lenses 7 above sensor 8, above cylindrical lenses 7 and the half reflection of inclined arrangement
Mirror 6, the glass 3 above half-reflecting mirror 6, the scanning object 2 being placed on glass 3, the light source 4 positioned at 6 side of half-reflecting mirror.
It further include PCB substrate 9, the sensor 8 is arranged in PCB substrate 9.The sensor 8 is sensing wafer.PCB
Substrate 9, cylindrical lenses 7, half-reflecting mirror 6, glass 3, light source 4, diffuser plate 5 are installed on shell 1.
6 tilt angle of half-reflecting mirror is 30-60 °, and in the present embodiment, 6 tilt angle of half-reflecting mirror is
45°.The light source 4 is arranged vertically, so that incident ray is anti-with half when the light for issuing light source 4 is radiated on half-reflecting mirror 6
The angle for penetrating mirror 6 is 45 °, and the angle of reflection light and half-reflecting mirror 6 is also 45 °, to keep reflection light vertical straight up
Ground irradiation scanning object 2, reaches the principle of axis light.The light source 4 is LED array light source.Between the light source 4 and half-reflecting mirror 6
Equipped with diffuser plate 5, it acts as light source is uniformly projected on half-reflecting mirror 6.
The light that the light source 4 emits is refracted to scanning 2 surface of object by half-reflecting mirror 6, and refraction light vertically irradiates scanning
Object 2 reaches the principle of axis light, solves the problems, such as that the surface of scanning object 2 there are image is unsharp, can reach anti-due to reflective
Penetrate the function for the vertical light irradiation scanning that light irradiation type contact image sensor module is not achieved.
Scanning 2 image of object reflects again successively reaches sensor 8 by half-reflecting mirror 6, cylindrical lenses 7, and scanning 2 surface of object can
It clearly appears from out, not influenced by surface reflection, scanning effect is more clear easily to be differentiated, and avoids judging by accident.
The series of detailed descriptions listed above only for feasible embodiment of the invention specifically
Protection scope bright, that they are not intended to limit the invention, it is all without departing from equivalent implementations made by technical spirit of the present invention
Or change should all be included in the protection scope of the present invention.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (8)
1. coaxial light irradiation type contact image sensor module, which is characterized in that including shell (1), be mounted on shell (1)
Sensor (8), the cylindrical lenses (7) being located above sensor (8) are located above cylindrical lenses (7) and inclined arrangement
It is anti-to be located at half for half-reflecting mirror (6), the glass (3) being located above half-reflecting mirror (6), the scanning object (2) being placed on glass (3)
Penetrate the light source (4) of mirror (6) side；
The light of light source (4) transmitting is refracted to scanning object (2) surface by half-reflecting mirror (6), and scanning object (2) image reflects again
Sensor (8) are reached using cylindrical lenses (7) by half-reflecting mirror (6).
2. coaxial light irradiation type contact image sensor module according to claim 1, which is characterized in that described half is anti-
Penetrating mirror (6) tilt angle is 30-60 °.
3. coaxial light irradiation type contact image sensor module according to claim 2, which is characterized in that described half is anti-
Penetrating mirror (6) tilt angle is 45 °.
4. coaxial light irradiation type contact image sensor module according to claim 3, which is characterized in that the light source
(4) it is arranged vertically.
5. coaxial light irradiation type contact image sensor module according to claim 4, which is characterized in that the light source
It (4) is LED array light source.
6. coaxial light irradiation type contact image sensor module according to claim 1, which is characterized in that the light source
(4) diffuser plate (5) are equipped between half-reflecting mirror (6).
7. coaxial light irradiation type contact image sensor module according to claim 1, which is characterized in that further include
PCB substrate (9), the sensor (8) are arranged on PCB substrate (9).
8. coaxial light irradiation type contact image sensor module according to claim 7, which is characterized in that the sensing
Device (8) is sensing wafer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811553167.5A CN109495667A (en) | 2018-12-18 | 2018-12-18 | Coaxial light irradiation type contact image sensor module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811553167.5A CN109495667A (en) | 2018-12-18 | 2018-12-18 | Coaxial light irradiation type contact image sensor module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109495667A true CN109495667A (en) | 2019-03-19 |
Family
ID=65710725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811553167.5A Pending CN109495667A (en) | 2018-12-18 | 2018-12-18 | Coaxial light irradiation type contact image sensor module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109495667A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021016758A1 (en) * | 2019-07-26 | 2021-02-04 | 深圳市民德电子科技股份有限公司 | Image recognition and reading device |
| CN114007005A (en) * | 2021-11-15 | 2022-02-01 | 威海华菱光电股份有限公司 | Image Sensor |
| WO2022267863A1 (en) * | 2021-06-22 | 2022-12-29 | 威海华菱光电股份有限公司 | Contact-type image sensor |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1070635A (en) * | 1996-08-27 | 1998-03-10 | Oki Electric Ind Co Ltd | Image reading method and image reader |
| CN2749204Y (en) * | 2004-11-04 | 2005-12-28 | 全友电脑股份有限公司 | Scanner reticle that provides preview through light source |
| TW201115479A (en) * | 2009-10-23 | 2011-05-01 | Gingy Technology Inc | Light guide module for increasing image contrast |
| TW201314920A (en) * | 2011-09-20 | 2013-04-01 | Microtek Int Inc | Image capturing module and radiation image read-out apparatus employing the same |
| CN103162192A (en) * | 2013-03-18 | 2013-06-19 | 晶科电子（广州）有限公司 | Direct down type backlight module |
| CN105759253A (en) * | 2016-03-02 | 2016-07-13 | 四川经曼光电科技有限公司 | Laser scanning range finder |
| CN207753772U (en) * | 2017-12-01 | 2018-08-21 | 深圳市国翊科技有限公司 | Contact image sensor and scanning means with contact image sensor |
| CN209134505U (en) * | 2018-12-18 | 2019-07-19 | 敦南科技（无锡）有限公司 | Coaxial light irradiation type contact image sensor module |
-
2018
- 2018-12-18 CN CN201811553167.5A patent/CN109495667A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1070635A (en) * | 1996-08-27 | 1998-03-10 | Oki Electric Ind Co Ltd | Image reading method and image reader |
| CN2749204Y (en) * | 2004-11-04 | 2005-12-28 | 全友电脑股份有限公司 | Scanner reticle that provides preview through light source |
| TW201115479A (en) * | 2009-10-23 | 2011-05-01 | Gingy Technology Inc | Light guide module for increasing image contrast |
| TW201314920A (en) * | 2011-09-20 | 2013-04-01 | Microtek Int Inc | Image capturing module and radiation image read-out apparatus employing the same |
| CN103162192A (en) * | 2013-03-18 | 2013-06-19 | 晶科电子（广州）有限公司 | Direct down type backlight module |
| CN105759253A (en) * | 2016-03-02 | 2016-07-13 | 四川经曼光电科技有限公司 | Laser scanning range finder |
| CN207753772U (en) * | 2017-12-01 | 2018-08-21 | 深圳市国翊科技有限公司 | Contact image sensor and scanning means with contact image sensor |
| CN209134505U (en) * | 2018-12-18 | 2019-07-19 | 敦南科技（无锡）有限公司 | Coaxial light irradiation type contact image sensor module |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021016758A1 (en) * | 2019-07-26 | 2021-02-04 | 深圳市民德电子科技股份有限公司 | Image recognition and reading device |
| WO2022267863A1 (en) * | 2021-06-22 | 2022-12-29 | 威海华菱光电股份有限公司 | Contact-type image sensor |
| CN114007005A (en) * | 2021-11-15 | 2022-02-01 | 威海华菱光电股份有限公司 | Image Sensor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109495667A (en) | Coaxial light irradiation type contact image sensor module | |
| CN106959293B (en) | System and method for detecting defects on reflective surface through vision system | |
| CN109154661A (en) | Integrated irradiation and detection for the 3-D imaging based on LIDAR | |
| CN102918543A (en) | Arrangement for and method of generating uniform distributed illumination pattern for imaging reader | |
| CN103257369B (en) | Total reflection type Terahertz-wave scanning imaging device | |
| CN102944563B (en) | There is the lighting device of transmission and reflection source, detection system and detection method thereof | |
| CN108981589B (en) | A device and method for measuring the height of a cup mouth | |
| TW201716745A (en) | Image ranging system, light source module and image sensing module | |
| US6376829B1 (en) | Method of and apparatus for inspecting surface irregularities of transparent plate | |
| JP2016180621A (en) | Lighting device for inspection, and inspection system | |
| JP2022529272A (en) | Fingerprint recognition module, screen assembly and electronics | |
| CN107843335B (en) | Target surface veiling glare illuminance measurement device and measurement method | |
| US9875419B2 (en) | Recognition device and alignment system | |
| CN209134505U (en) | Coaxial light irradiation type contact image sensor module | |
| JP2015078985A (en) | Surface pattern defect measuring apparatus of transparent substrate | |
| CN104501946A (en) | Systems And Methods For Measuring High-intensity Light Beams | |
| CN108303431A (en) | Automatic optical detection system for surface foreign matter detection | |
| JP6829828B2 (en) | Lens appearance inspection device | |
| CN101438471A (en) | Systems and methods for reducing detected intensity non-uniformity in a laser beam | |
| JP5648185B2 (en) | Particle detecting optical device and particle detecting device | |
| CN203643361U (en) | Highly reflective light metal surface visual inspection system based on cross-polarization | |
| CN215413615U (en) | Cylinder full-side imaging device | |
| CN109883986A (en) | Laser galvanometer-based single-pixel terahertz imaging system and imaging method | |
| TW202026659A (en) | Sensing device with conical reflector for making two-dimensional optical radar | |
| CN210180399U (en) | Flatness measuring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |