CN205490809U - Two -sided image acquisition device - Google Patents
Two -sided image acquisition device Download PDFInfo
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- CN205490809U CN205490809U CN201620029971.3U CN201620029971U CN205490809U CN 205490809 U CN205490809 U CN 205490809U CN 201620029971 U CN201620029971 U CN 201620029971U CN 205490809 U CN205490809 U CN 205490809U
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Abstract
The utility model provides a two -sided image acquisition device, includes that the surface is equipped with the open -ended casing, set up at the printing opacity of this opening part dull and stereotyped, upper portion image acquisition subassembly and lower part image acquisition subassembly, treat that the printing opacity flat board is arranged in through the opening to the scanning piece on, upper portion image acquisition subassembly and lower part image acquisition subassembly include at least: a speculum that is used for treating a scanning formation of image, one is arranged in receiving and corresponds the speculum and treat the camera of a scanning virtual image and one be used for shining the panel light of treating scanning. The utility model discloses a camera replaces traditional charge coupled cell (CCD) contact image sensor photoelectric effect components such as (CIS), need not drive mechanism and can realize that two -sided image acquires simultaneously, and is fast, with low costs. Cooperate the adjustment of angle between configuration and the speculum and the printing opacity flat board of camera simultaneously, the the device volume is nimble the change as required, realizes that under as far as possible little distance captured images's is complete, lifelike.
Description
[technical field]
This utility model relates to a kind of image acquiring device, the device that a kind of positive and negative image obtains simultaneously.
[background technology]
When miscellaneous service is handled in the places such as financial institution, customs, bureau in charge of entry and exit visas, it is often necessary to obtain certificate and the positive and negative images of business card, file etc. such as identity card, bank card, Citizen Card Item.Existing duplex scanning device mainly has two classes, one class such as notification number is the duplex scanning device of TWI233748B, including the first scanning module, the second scanning module, drive mechanism, power source and control processing unit, by the way of increasing scanning module, it is achieved tow sides scan simultaneously；Another kind of as notification number be the one-sided and two-sided scanning system of CN101325633B, including one scan module, paper feed functional module group and control processing unit, by increasing paper feed path, it is achieved the duplex scanning of reverse side behind first front.Photoelectric effect element in this two classes scanning device is charge coupled cell (CCD), or contact image sensor (CIS) or fast number sensing element being converted into electric signal of other light, regardless of whether use which kind of photoelectric effect element, its scan pattern is " line scanning ", part to be scanned and photoelectric effect element relative motion is driven by actuated element or tractive element, it is finally completed the acquisition of face image, has the disadvantages that
One, long-pending line becomes the line scan pattern in face more time-consumingly, realizes the mode of two-sided shooting especially by increasing paper feed path, not only needs the double single-sweep time, in addition it is also necessary to the paper feed time；
Two, the smoothness of actuated element or tractive element is required higher, if mechanical vibration problem occurring when part to be scanned and photoelectric effect element relative motion, then can affect the bossed part to be scanned in this surface of quality of scanning, particularly bank card, the mechanical vibration in motor process are difficult to avoid that；
Three, part to be scanned is driven by actuated element or tractive element, the phenomenon of paperboard easily occurs, and for the equipment of paper path complexity, required mechanical organ is more, causes higher cost of parts.
At present, on market, image acquiring device based on photographic head mainly has high photographing instrument, but it is simply possible to use in one side shooting, when being engaged in two-sided shooting, needs manual turn-over, the most bothersome time-consuming, and instrument size is relatively big, is not easy to be integrated on other all-in-ones.
[summary of the invention]
In order to overcome the deficiencies in the prior art, this utility model provides a kind of dual-side image acquisition device, use the image acquisition components that two sets are made up of reflecting mirror, photographic head, panel light, obtain while not only realizing positive and negative image in the case of mechanical transmission, substantially increase scanning speed, the problem avoiding paperboard, reduce installation cost, and by adjusting the size of angle between reflecting mirror and light-transmitting plate, the volume of image acquiring device can also be changed so that this device can embed in other all-in-ones flexibly.
nullDual-side image acquisition device described in the utility model，Including casing，Light-transmitting plate，Upper image securing component and bottom image acquisition components，Described casing surface is provided with an opening，Described light-transmitting plate is arranged on this opening part，Part to be scanned inserts casing internal by opening，It is placed on light-transmitting plate，The described upper image securing component for obtaining part upper surface image to be scanned at least includes: a normal vector is in 90 ° with the normal vector of part upper surface to be scanned～180 ° of angles be used for treating the reflecting mirror of scanned copy upper surface imaging，The virtual image of one normal vector part upper surface to be scanned with reflecting mirror is vertical and is used for receiving the photographic head of this virtual image，It is arranged on casing inner wall and for irradiating the panel light of part upper surface image to be scanned with one，The described bottom image acquisition components for obtaining part lower surface image to be scanned at least includes: a normal vector is in 90 ° with the normal vector of part lower surface to be scanned～180 ° of angles be used for treating the reflecting mirror of scanned copy lower surface imaging，The virtual image of one normal vector part lower surface to be scanned with reflecting mirror is vertical and is used for receiving the photographic head of this virtual image，It is arranged on casing inner wall and for irradiating the panel light of part lower surface image to be scanned with one.
The program substitutes the photoelectric effect elements such as charge coupled cell (the CCD)/contact image sensor (CIS) in conventional scanners with photographic head, realize the face shooting replacement to line scan mode, without any mechanical transmission mechanism, it is greatly improved the speed of Image Acquisition.And photographic head obtains image and needs certain visual angle, i.e. to need to maintain a certain distance between photographic head and part to be scanned, distance is the least, easily causes visual angle and cannot cover the problems such as whole part to be scanned, scanner distorsion；Distance is too big, whole device volume can be caused again the biggest, it is impossible to be embedded in other all-in-ones.Therefore, by using reflecting mirror to treat scanned copy imaging, photographic head receives the mode of the part virtual image to be scanned, has pulled open the distance between photographic head and image to be received, is conducive to the miniaturization of this dual-side image acquisition device volume.
This utility model can be limited and perfect further by techniques below measure:
As a kind of technical scheme, the normal vector of described reflecting mirror is 125 °～145 ° with the angle of the normal vector of part surface image to be scanned.In order to obtain complete, true to nature image by photographic head, not only need photographic head to maintain a certain distance with image to be received, and the normal vector of photographic head also should be vertical with image to be received.In the program, the image to be received of photographic head is the virtual image on part up/down surface to be scanned in reflecting mirror.When the normal vector of reflecting mirror is 135 ° with the angle of the normal vector on corresponding part up/down surface to be scanned, the virtual image in its reflecting mirror is perpendicular to light-transmitting plate, and the most now photographic head is also perpendicular to light-transmitting plate setting.When needs reduce device volume further, angle between the normal vector on the normal vector of reflecting mirror and surface to be scanned slightly can be adjusted, the position of photographic head also to adjust accordingly simultaneously, setting for convenience of photographic head, ensureing picture quality, the angle of the normal vector of reflecting mirror and the normal vector of part surface image to be scanned is advisable with 125 °～145 °.
As a kind of technical scheme, described photographic head is arranged on the vertical line by part virtual image center to be scanned.For the dual-side image acquisition device of small size, in photographic head and reflecting mirror, the distance between the virtual image is less, for obtaining image complete and true to nature, need to be arranged on by photographic head on the vertical line by part virtual image center to be scanned.
As a kind of technical scheme, described photographic head is macro head.Macro head most can guarantee that picture quality when small distance Image Acquisition.
As a kind of technical scheme, described panel light includes diffuse-reflectance lampshade.Outside panel light, increase diffuse-reflectance lampshade, improve the uniformity of illumination, thus avoid dazzle, local excessive exposure etc. and affect the quality problems of photographic head acquisition image.
As optimization, described photographic head is arranged on panel light on the casing inner wall relative with mirror mirror, and diffuse-reflectance lampshade is provided with aperture with the vertical line intersection at virtual image center in reflecting mirror excessively, and photographic head receives the virtual image on surface to be scanned in reflecting mirror by aperture.
As a kind of technical scheme, side relative with opening on described light-transmitting plate is provided with baffle plate.Distance between baffle plate and opening is the length of part to be scanned, after part to be scanned passes through the opening insertion in casing, meets baffle plate and then cannot continue into, it is simple to user confirms part placement location to be scanned.
As a kind of technical scheme, also include fingerprint identification module and identity card identification module.In a lot of places, such as bank, airport, station etc. usually need the identity information of examination individual, also need to retain individual's finger print information when being necessary, and carry out online checking with public security system, therefore can integrated fingerprint identification module and identity card identification module in the apparatus.
To sum up, the utility model discloses a kind of dual-side image acquisition device, by using photographic head to substitute the photoelectric effect elements such as traditional charge coupled cell (CCD)/contact image sensor (CIS), obtaining while realizing positive and negative image in the case of transmission mechanism-free, image acquisition speed is fast, installation cost is low.Coordinate simultaneously reflecting mirror and and light-transmitting plate between the setting of angle so that photographic head is obtaining image complete, true to nature in the case of the least with part to be scanned distance, and this device volume can change the most flexibly.This dual-side image acquisition device is applicable not only to the positive and negative Image Acquisition of various certificate, by the distance between size or controllable register and the opening of change light-transmitting plate, it may also be used for the dual-side image of the business card of various sizes, card etc. obtains.
[accompanying drawing explanation]
The sectional view of Fig. 1 this utility model embodiment 1
The sectional view of Fig. 2 this utility model embodiment 2
The outside drawing of Fig. 3 this utility model embodiment 2
1-casing, 2-light-transmitting plate, 3-upper image securing component, 4-bottom image acquisition components, 5-opening, 6-reflecting mirror, 6-1-the first reflecting mirror, 6-2-the second reflecting mirror, 7-photographic head, 7-1-the first photographic head, 7-2-second camera, 8-panel light, 8-1-the first panel light, 8-2-the second panel light, 9-diffuse-reflectance lampshade, 9-1-the first diffuse-reflectance lampshade, 9-2-the second diffuse-reflectance lampshade, 10-aperture, 10-1-the first aperture, 10-2-second orifice, 11-baffle plate, 12-fingerprint identification module, 13-identity card identification module
[detailed description of the invention]
Embodiment 1
As depicted in figs. 1 and 2, disclosed in the present embodiment, dual-side image acquisition device includes: casing 1, light-transmitting plate 2, upper image securing component 3, bottom image acquisition components 4 and baffle plate 11, wherein, upper image securing component 3 includes: the first reflecting mirror 6-1, first macro head 7-1 and the first panel light 8-1, the first diffuse-reflectance lampshade 9-1 with the first diffuse-reflectance lampshade 9-1 are provided with the first aperture 10-1.Bottom image acquisition components 4 includes: the second reflecting mirror 6-2, and the second macro head 7-2 and the second panel light 8-2, the second diffuse-reflectance lampshade 9-2 with the second diffuse-reflectance lampshade 9-2 are provided with second orifice 10-2.Casing 1 surface is provided with an opening 5, and described light-transmitting plate 2 is arranged at this opening 5, and side relative with opening 5 on light-transmitting plate 2 is provided with baffle plate 11, and it is internal that part to be scanned inserts casing 1 by opening 5, is placed on light-transmitting plate 2.In upper image securing component 3, first reflecting mirror 6-1 is arranged on side relative with opening 5 on light-transmitting plate 2, the normal vector of the first reflecting mirror 6-1 is 135 ° with the angle of the normal vector on surface to be scanned, first macro head 7-1 and the first panel light 8-1 is arranged on casing 1 inwall of opening 5 side, first macro head 7-1 and light-transmitting plate 2, perpendicular to and on the vertical line by part virtual image center to be scanned, receive the virtual image in the first reflecting mirror 6-1 by the first aperture 10-1.Bottom image acquisition components 4 is arranged for axial symmetry with light-transmitting plate 2 with upper image securing component 3.
When carrying out the two-sided shooting of file, part to be scanned is inserted by opening 5, it is allowed to be positioned on light-transmitting plate 2, the first panel light 8-1 with the first diffuse-reflectance lampshade 9-1 and the second panel light 8-12 with the second diffuse-reflectance lampshade 9-12 launches uniform light respectively and irradiates the upper and lower surface of part to be scanned, first photographic head 7-1 and second camera 7-2 receives the virtual image of part lower surface to be scanned in part upper surface to be scanned and the second reflecting mirror 6-2 in the first reflecting mirror 6-1 respectively, obtains while completing positive and negative image.
Embodiment 2
nullAs shown in Fig. 2 and Fig. 3 (reflecting mirror is not drawn into)，The present embodiment and embodiment 1 except that，Also include fingerprint identification module 12 and identity card identification module 13，And in upper image securing component 3，First panel light 8-1 is arranged on above baffle plate 11 on the inwall of casing 1，Without aperture on the first diffuse-reflectance lampshade 9-1 of the first panel light 8-1，First reflecting mirror 6-1 is arranged on the side that baffle plate 11 is adjacent，First photographic head 7-1 is arranged on the side relative for reflecting mirror 6-1 with first，The normal vector of the first reflecting mirror 6-1 is 143 ° with the angle of the normal vector on surface to be scanned，First photographic head 7-1 is in the face of the first reflecting mirror 6-1，First photographic head 7-1 is 106 ° with the angle of light-transmitting plate 2，Bottom image acquisition components 4 is arranged for axial symmetry with light-transmitting plate 2 with upper image securing component 3.
When part to be scanned is identity card, after the positive and negative image obtaining identity card, identity card is placed in identity card identification module 13, the identity information of user can be obtained.By finger being placed in fingerprint identification module 12, user fingerprints information can be gathered.
Claims (8)
1. a dual-side image acquisition device, it is characterized in that, including casing (1), light-transmitting plate (2), upper image securing component (3) and bottom image acquisition components (4), described casing (1) surface is provided with an opening (5), described light-transmitting plate (2) is arranged on this opening (5) place, it is internal that part to be scanned inserts casing (1) by opening (5), being placed on light-transmitting plate (2), the described upper image securing component (3) being used for obtaining part upper surface image to be scanned at least includes:
The normal vector of one normal vector and part upper surface to be scanned is in 90 °～180 ° of angles be used for treating first reflecting mirror (6-1) of scanned copy upper surface imaging,
One normal vector is vertical with the virtual image of part upper surface to be scanned in the first reflecting mirror (6-1) and is used for receiving first photographic head (7-1) of this virtual image,
It is arranged on casing (1) inwall and for irradiating first panel light (8-1) of part upper surface to be scanned with one,
The described bottom image acquisition components (4) being used for obtaining part lower surface image to be scanned at least includes:
The normal vector of one normal vector and part lower surface to be scanned is in 90 °～180 ° of angles be used for treating second reflecting mirror (6-2) of scanned copy lower surface imaging,
One normal vector is vertical with the virtual image of part lower surface to be scanned in the second reflecting mirror (6-2) and is used for receiving the second camera (7-2) of this virtual image,
It is arranged on casing (1) inwall and for irradiating second panel light (8-2) of part lower surface to be scanned with one.
2. dual-side image acquisition device as claimed in claim 1, it is characterised in that the normal vector of described reflecting mirror (6) is 125 °～145 ° with the angle of the normal vector of part surface image to be scanned.
3. dual-side image acquisition device as claimed in claim 1, it is characterised in that described photographic head (7) is arranged on the vertical line by part virtual image center to be scanned.
4. dual-side image acquisition device as claimed in claim 1, it is characterised in that described photographic head (7) is macro head.
5. dual-side image acquisition device as claimed in claim 1, it is characterised in that described panel light (8) includes diffuse-reflectance lampshade (9).
6. the dual-side image acquisition device as described in claim 1 or 5, it is characterized in that, described photographic head (7) is arranged on panel light (8) on casing (1) inwall relative with reflecting mirror (6) minute surface, diffuse-reflectance lampshade (9) upper with cross the vertical line intersection at virtual image center in reflecting mirror (6) and be provided with aperture, photographic head (7) receives the virtual image of part to be scanned in reflecting mirror (6) by aperture (10).
7. dual-side image acquisition device as claimed in claim 1, it is characterised in that the upper side relative with opening (5) of described light-transmitting plate (2) is provided with baffle plate (11).
8. dual-side image acquisition device as claimed in claim 1, it is characterised in that also include fingerprint identification module (12) and identity card identification module (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620029971.3U CN205490809U (en) | 2016-01-13 | 2016-01-13 | Two -sided image acquisition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620029971.3U CN205490809U (en) | 2016-01-13 | 2016-01-13 | Two -sided image acquisition device |
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| Publication Number | Publication Date |
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| CN205490809U true CN205490809U (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620029971.3U Active CN205490809U (en) | 2016-01-13 | 2016-01-13 | Two -sided image acquisition device |
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| CN (1) | CN205490809U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106851074A (en) * | 2017-03-31 | 2017-06-13 | 上海木爷机器人技术有限公司 | A kind of image collecting device and electronic equipment |
| CN106973189A (en) * | 2016-01-13 | 2017-07-21 | 浙江中正智能科技有限公司 | A kind of dual-side image acquisition device |
-
2016
- 2016-01-13 CN CN201620029971.3U patent/CN205490809U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106973189A (en) * | 2016-01-13 | 2017-07-21 | 浙江中正智能科技有限公司 | A kind of dual-side image acquisition device |
| CN106851074A (en) * | 2017-03-31 | 2017-06-13 | 上海木爷机器人技术有限公司 | A kind of image collecting device and electronic equipment |
| CN106851074B (en) * | 2017-03-31 | 2023-05-19 | 上海诺亚木木机器人科技有限公司 | Image acquisition device and electronic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 310012 Zhejiang Hangzhou Xihu District Wensanlu Road 90 71 Building 5 East 505-508, West 501-508 room Patentee after: MIAXIS Biometrics Co., Ltd. Address before: 310012 A1201-A1204 12 room, science and technology mansion, 90 East Wensanlu Road Software Park, Wensanlu Road, Hangzhou, Zhejiang. Patentee before: MIAXIS Biometrics Co., Ltd. |
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| CP02 | Change in the address of a patent holder |