CN112188027B - Double-sided scanning device and double-sided scanner with mutually scanning backgrounds - Google Patents
Double-sided scanning device and double-sided scanner with mutually scanning backgrounds Download PDFInfo
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- CN112188027B CN112188027B CN202010940043.3A CN202010940043A CN112188027B CN 112188027 B CN112188027 B CN 112188027B CN 202010940043 A CN202010940043 A CN 202010940043A CN 112188027 B CN112188027 B CN 112188027B
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- 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
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
- H04N1/203—Simultaneous scanning of two or more separate pictures, e.g. two sides of the same sheet
- H04N1/2032—Simultaneous scanning of two or more separate pictures, e.g. two sides of the same sheet of two pictures corresponding to two sides of a single medium
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Abstract
The invention provides a double-sided scanning device and a double-sided scanner which are mutually background for scanning, comprising: the scanning device comprises a first scanning assembly, a second scanning assembly, a first backlight assembly and a second backlight assembly, wherein the first scanning assembly and the second scanning assembly are respectively positioned at two sides of a channel to be scanned, the first backlight assembly is arranged on the second scanning assembly, the second backlight assembly is arranged on the first scanning assembly, a first light inlet is formed in the first scanning assembly, a second light inlet is formed in the second scanning assembly, the first scanning assembly and the second scanning assembly move in the same direction and at the same speed, and the first scanning assembly and the second scanning assembly are staggered in the moving direction, so that the first light inlet is aligned to the first backlight assembly, and the second light inlet is aligned to the second backlight assembly. The invention effectively ensures the uniformity and brightness of the background color of the scanned image and improves the quality of the scanned image.
Description
Technical Field
The invention relates to the technical field of scanning equipment, in particular to a double-sided scanning device and a double-sided scanner which are mutually background-scanned.
Background
At present, the grain sample is often scanned by adopting an alternative mode in a double-side scanning mode, the scanning time is long, and due to the fact that the backlight plate is fixed, when the brightness of a light source is not enough, the lighting effect is inconsistent along with the movement of a scanner corresponding to the backlight plate, the background of an image background after scanning is inconsistent, the difficulty of algorithm processing is added, and adverse effects can be caused to the result.
Disclosure of Invention
In order to solve the technical problems in the background art, the invention provides a double-sided scanning device and a double-sided scanner which are mutually background-scanned.
The invention provides a double-sided scanning device with mutually scanning backgrounds, which comprises: the scanning device comprises a first scanning assembly, a second scanning assembly, a first backlight assembly and a second backlight assembly;
the first scanning assembly and the second scanning assembly are respectively positioned at two sides of the channel to be scanned, the first backlight assembly is arranged on the second scanning assembly, and the second backlight assembly is arranged on the first scanning assembly;
the first scanning assembly is provided with a first light inlet, the second scanning assembly is provided with a second light inlet, the first scanning assembly and the second scanning assembly move in the same direction and at the same speed, and the first scanning assembly and the second scanning assembly are staggered in the moving direction, so that the first light inlet is aligned to the first backlight assembly, and the second light inlet is aligned to the second backlight assembly.
Preferably, the first backlight assembly comprises a first backlight plate and a second backlight plate which are sequentially arranged along the moving direction of the second scanning assembly, and the first backlight plate and the second backlight plate are respectively positioned at two sides of the second light inlet;
the second backlight assembly comprises a third backlight plate and a fourth backlight plate which are sequentially arranged along the moving direction of the first scanning assembly, and the third backlight plate and the fourth backlight plate are respectively positioned at two sides of the first light inlet;
the first light inlet is aligned to the second backlight plate, and the second light inlet is aligned to the third backlight plate; or the first light inlet is aligned to the first backlight plate, and the second light inlet is aligned to the fourth backlight plate.
Preferably, the device further comprises two first guide rails and a first driving assembly which are arranged along the moving direction of the first scanning assembly, two sides of the first scanning assembly are respectively connected with the first guide rails in a sliding manner, the first driving assembly is connected with the first scanning assembly in a driving manner, and the first driving assembly is used for driving the first scanning assembly to move back and forth along the first guide rails;
the two sides of the second scanning assembly are respectively connected with the second guide rail in a sliding manner, the second driving assembly is connected with the second scanning assembly in a driving manner, and the second driving assembly is used for driving the second scanning assembly to reciprocate along the second guide rail.
Preferably, the first driving assembly and the second driving assembly respectively comprise a stepping motor, a synchronous belt, a driving synchronous pulley and a driven synchronous pulley, the synchronous belt is wound on the driving synchronous pulley and the driven synchronous pulley, the synchronous belt is parallel to the first guide rail or the second guide rail, the stepping motor is in driving connection with the driving synchronous pulley, and the synchronous belt is fixedly connected with the corresponding first scanning assembly or the corresponding second scanning assembly.
The invention also provides a double-sided scanner, which comprises a scanning channel, a feeder for driving a scanning object to enter and exit the scanning channel, and any one of the double-sided scanning devices with the scanning backgrounds, wherein the double-sided scanning devices with the scanning backgrounds are used for scanning two opposite side surfaces of the scanning object in the scanning channel simultaneously.
According to the invention, the first scanning assembly, the second scanning assembly, the first backlight assembly and the second backlight assembly are matched to ensure that the relative positions of the first scanning assembly and the second scanning assembly in the process of moving at the same direction and speed are completely unchanged, and the relative positions of the first scanning assembly, the first backlight assembly and the second scanning assembly and the second backlight assembly are kept consistent, so that the first light inlet is always aligned to the first backlight assembly, the second light inlet is always aligned to the second backlight assembly, the uniformity of the background color of the scanned image is effectively ensured, the mutual interference between the first scanning assembly and the second scanning assembly is avoided, the distance between the first scanning assembly and the first backlight assembly as well as the distance between the second scanning assembly and the second backlight assembly is effectively shortened, and the brightness is improved. In conclusion, the invention greatly improves the scanning image quality.
Drawings
Fig. 1 is a schematic structural diagram of a dual-side scanning device with a scanning background according to the present invention.
Fig. 2 is a left side view schematically illustrating a dual-side scanning apparatus with a scanning background according to the present invention.
Fig. 3 is a bottom view schematically illustrating a second backlight assembly according to the present invention.
Detailed Description
Referring to fig. 1 and 2, the present invention provides a dual-side scanning apparatus with a scanning background, including: a first scanning assembly 1, a second scanning assembly 2, a first backlight assembly and a second backlight assembly;
the first scanning assembly 1 and the second scanning assembly 2 are respectively positioned at two sides of a channel to be scanned, the first backlight assembly is arranged on the second scanning assembly 2, and the second backlight assembly is arranged on the first scanning assembly 1;
the first scanning assembly 1 is provided with a first light inlet 4, the second scanning assembly 2 is provided with a second light inlet, the first scanning assembly 1 and the second scanning assembly 2 move in the same direction and at the same speed, and the first scanning assembly 1 and the second scanning assembly 2 are staggered in the moving direction, so that the first light inlet 4 is aligned to the first backlight assembly, and the second light inlet is aligned to the second backlight assembly.
The invention can make the relative position of the first scanning component 1 and the second scanning component 2 in the process of moving in the same direction and the same speed completely unchanged through the matching arrangement of the first scanning component 1, the second scanning component 2, the first backlight plate component and the second backlight plate component, and simultaneously make the relative position between the first scanning component 1 and the first backlight plate component as well as between the second scanning component 2 and the second backlight plate component completely inconvenient, thereby making the first light inlet 4 always align at the first backlight plate component, and making the second light inlet always align at the second backlight plate component, effectively ensuring the uniformity of the background color of the scanned image, avoiding the mutual interference between the first scanning component 1 and the second scanning component 2, greatly improving the quality of the scanned image, and effectively shortening the distance between the first scanning component 1 and the first backlight plate component as well as between the second scanning component 2 and the second backlight plate component, thereby improving the brightness, and the same direction and the same speed movement of the first scanning component 1 and the second scanning component 2 can greatly reduce the scanning time, and improve the scanning efficiency.
Referring to fig. 1 to 3, in order to make the background color of the scanned image very uniform, in this embodiment, the first backlight assembly includes a first backlight plate and a second backlight plate sequentially arranged along the moving direction of the second scanning assembly 2, and the first backlight plate and the second backlight plate are respectively located at two sides of the second light inlet;
the second backlight assembly comprises a third backlight plate 3 and a fourth backlight plate 5 which are sequentially arranged along the moving direction of the first scanning assembly 1, and the third backlight plate 3 and the fourth backlight plate 5 are respectively positioned at two sides of the first light inlet 4;
the first light inlet 4 is aligned to the second backlight plate, and the second light inlet is aligned to the third backlight plate 3; or, the first light inlet 4 is aligned to the first backlight plate, and the second light inlet is aligned to the fourth backlight plate 5.
In the embodiment, the device further comprises two first guide rails 6 and a first driving assembly which are arranged along the moving direction of the first scanning assembly 1, wherein two sides of the first scanning assembly 1 are respectively connected with the first guide rails 6 in a sliding manner, the first driving assembly is connected with the first scanning assembly 1 in a driving manner, and the first driving assembly is used for driving the first scanning assembly 1 to reciprocate along the first guide rails 6;
the scanning device further comprises two second guide rails and a second driving assembly, wherein the second guide rails and the second driving assembly are arranged along the moving direction of the second scanning assembly 2, two sides of the second scanning assembly 2 are respectively in sliding connection with the second guide rails, the second driving assembly is in driving connection with the second scanning assembly, and the second driving assembly is used for driving the second scanning assembly 2 to reciprocate along the second guide rails. The first scanning assembly 1 and the second scanning assembly 2 move at the same direction and speed by controlling the first driving assembly and the second driving assembly.
In order to facilitate driving the first scanning assembly 1 and the second scanning assembly 2 to move, in this embodiment, the first driving assembly and the second driving assembly each include a stepping motor, a synchronous belt, a driving synchronous pulley and a driven synchronous pulley, the synchronous belt is wound around the driving synchronous pulley and the driven synchronous pulley, the synchronous belt is parallel to the first guide rail 6 or the second guide rail, the stepping motor is connected with the driving synchronous pulley in a driving manner, and the synchronous belt is fixedly connected with the corresponding first scanning assembly 1 or the corresponding second scanning assembly 2.
The invention also provides a double-sided scanner, which comprises a scanning channel, a feeder for driving a scanning object to enter and exit the scanning channel, and any one of the double-sided scanning devices with the scanning backgrounds, wherein the double-sided scanning devices with the scanning backgrounds are used for scanning two opposite side surfaces of the scanning object in the scanning channel simultaneously.
The invention greatly improves the uniformity and brightness of the background color of the scanned image, greatly improves the quality of the scanned image and improves the scanning efficiency.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (4)
1. The utility model provides a mutual two-sided scanning device who scans background which characterized in that includes: a first scanning assembly (1), a second scanning assembly (2), a first backlight assembly and a second backlight assembly;
the first scanning assembly (1) and the second scanning assembly (2) are respectively positioned at two sides of the channel to be scanned, the first backlight assembly is arranged on the second scanning assembly (2), and the second backlight assembly is arranged on the first scanning assembly (1);
a first light inlet (4) is arranged on the first scanning assembly (1), a second light inlet is arranged on the second scanning assembly (2), the first scanning assembly (1) and the second scanning assembly (2) move in the same direction and at the same speed, and the first scanning assembly (1) and the second scanning assembly (2) are staggered in the moving direction, so that the first light inlet (4) is aligned to the first backlight assembly, and the second light inlet is aligned to the second backlight assembly;
the first backlight assembly comprises a first backlight plate and a second backlight plate which are sequentially arranged along the moving direction of the second scanning assembly (2), and the first backlight plate and the second backlight plate are respectively positioned at two sides of the second light inlet;
the second backlight plate component comprises a third backlight plate (3) and a fourth backlight plate (5) which are sequentially arranged along the moving direction of the first scanning component (1), and the third backlight plate (3) and the fourth backlight plate (5) are respectively positioned at two sides of the first light inlet (4);
the first light inlet (4) is aligned to the second backlight plate, and the second light inlet is aligned to the third backlight plate (3); or the first light inlet (4) is aligned to the first backlight plate, and the second light inlet is aligned to the fourth backlight plate (5).
2. The double-sided scanning device with mutually scanning backgrounds according to claim 1, further comprising two first guide rails (6) and a first driving assembly disposed along the moving direction of the first scanning assembly (1), wherein two sides of the first scanning assembly (1) are slidably connected to the first guide rails (6), respectively, the first driving assembly is drivingly connected to the first scanning assembly (1), and the first driving assembly is configured to drive the first scanning assembly (1) to reciprocate along the first guide rails (6);
the two sides of the second scanning assembly (2) are connected with the second guide rail in a sliding mode respectively, the second driving assembly is connected with the second scanning assembly in a driving mode, and the second driving assembly is used for driving the second scanning assembly (2) to move back and forth along the second guide rail.
3. The apparatus of claim 2, wherein the first and second driving assemblies each comprise a stepping motor, a synchronous belt, a driving synchronous pulley and a driven synchronous pulley, the synchronous belts are wound around the driving synchronous pulley and the driven synchronous pulley, the synchronous belts are parallel to the first guide rail (6) or the second guide rail, the stepping motor is in driving connection with the driving synchronous pulley, and the synchronous belts are fixedly connected to the corresponding first scanning assembly (1) or the second scanning assembly (2).
4. A double-sided scanner, comprising a scanning channel, a feeder for driving a scanning object to enter and exit the scanning channel, and the double-sided scanning apparatus with mutual scanning backgrounds as claimed in any one of claims 1 to 3, wherein the double-sided scanning apparatus with mutual scanning backgrounds is used for scanning two opposite sides of the scanning object in the scanning channel simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010940043.3A CN112188027B (en) | 2020-09-09 | 2020-09-09 | Double-sided scanning device and double-sided scanner with mutually scanning backgrounds |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010940043.3A CN112188027B (en) | 2020-09-09 | 2020-09-09 | Double-sided scanning device and double-sided scanner with mutually scanning backgrounds |
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| Publication Number | Publication Date |
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| CN112188027A CN112188027A (en) | 2021-01-05 |
| CN112188027B true CN112188027B (en) | 2022-11-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010940043.3A Active CN112188027B (en) | 2020-09-09 | 2020-09-09 | Double-sided scanning device and double-sided scanner with mutually scanning backgrounds |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113382124A (en) * | 2021-07-06 | 2021-09-10 | 安徽高哲信息技术有限公司 | Double-side synchronous scanning device and synchronous double-side scanner |
| US11689678B2 (en) | 2021-07-06 | 2023-06-27 | Anhui Gaozhe Information Technology Co., Ltd | Double-sided synchronous scanning device and double-sided synchronous scanner |
| CN113507545B (en) * | 2021-07-06 | 2024-03-15 | 安徽高哲信息技术有限公司 | Alternating double-sided scanner |
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| CN105100541A (en) * | 2014-05-20 | 2015-11-25 | 虹光精密工业股份有限公司 | Scanning device |
| CN105407246A (en) * | 2015-12-21 | 2016-03-16 | 中储粮成都粮食储藏科学研究所 | Food grain two-side scanning device |
| CN107317950A (en) * | 2017-06-09 | 2017-11-03 | 虹光精密工业股份有限公司 | Photosensitive equipment with inclined background film and photosensitive method thereof |
| CN107426462A (en) * | 2017-06-29 | 2017-12-01 | 虹光精密工业股份有限公司 | Double-side scanning device containing brightness correction component and scanning background component and office machine |
| CN107846528A (en) * | 2017-06-09 | 2018-03-27 | 虹光精密工业股份有限公司 | Photosensitive equipment with inclined background film and photosensitive method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI561055B (en) * | 2014-05-22 | 2016-12-01 | Avision Inc | Sheet-fed scanner and image scanning method using the same |
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- 2020-09-09 CN CN202010940043.3A patent/CN112188027B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105100541A (en) * | 2014-05-20 | 2015-11-25 | 虹光精密工业股份有限公司 | Scanning device |
| CN105407246A (en) * | 2015-12-21 | 2016-03-16 | 中储粮成都粮食储藏科学研究所 | Food grain two-side scanning device |
| CN107317950A (en) * | 2017-06-09 | 2017-11-03 | 虹光精密工业股份有限公司 | Photosensitive equipment with inclined background film and photosensitive method thereof |
| CN107846528A (en) * | 2017-06-09 | 2018-03-27 | 虹光精密工业股份有限公司 | Photosensitive equipment with inclined background film and photosensitive method thereof |
| CN107426462A (en) * | 2017-06-29 | 2017-12-01 | 虹光精密工业股份有限公司 | Double-side scanning device containing brightness correction component and scanning background component and office machine |
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