CN216490665U - Large-breadth flat-panel scanner - Google Patents
Large-breadth flat-panel scanner Download PDFInfo
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- CN216490665U CN216490665U CN202122440342.3U CN202122440342U CN216490665U CN 216490665 U CN216490665 U CN 216490665U CN 202122440342 U CN202122440342 U CN 202122440342U CN 216490665 U CN216490665 U CN 216490665U
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Abstract
The utility model discloses a large-breadth flat-panel scanner which comprises a plate type scanning table, wherein a platform glass plate is embedded in the center of the top of the plate type scanning table, a strip-shaped groove is formed in the front end of the center of the top of the plate type scanning table, shaft levers are fixedly connected to the rear ends of the centers of two sides of the plate type scanning table, rotating blocks are rotatably connected to the outer walls of the two shaft levers, cover plates are fixedly connected to the centers of the rear ends of the two rotating blocks, and buckling strips corresponding to the strip-shaped grooves are fixedly connected to the front ends of the centers of the bottoms of the cover plates. According to the utility model, the micro-stepping motor, the first transmission roller, the second transmission roller and the hard moving belt are arranged in the scanning chamber arranged in the plate type scanning table, the plurality of optical imaging components are uniformly arranged on the hard moving belt, and the combined type partitioned scanning can be carried out on the document with larger breadth through the plurality of optical imaging components, so that the scanning efficiency is high, the scanning result is accurate, and the defect that the existing flat-plate scanner cannot realize large-breadth document scanning is solved.
Description
Technical Field
The utility model relates to the technical field of optical scanning, in particular to a large-format flat-panel scanner.
Background
A flat-bed scanner, also called a flatbed scanner or a desktop scanner, refers to a scanning device that performs scanning work by optical devices such as a CCD or a CIS; scanners are commonly used to scan information recorded on documents and store the information in the form of pictures, which is convenient for users to copy and store electronic files.
Most of the existing flat-panel scanners scan files with small formats such as A3 or A4 and read and record information on the files, but when the formats of the files are large, the files cannot be accurately scanned by using the scanners, so that the loss of file information scanning is easily caused, and the accuracy of scanning the files by users is influenced. When the existing scanners scan large-format documents, large integrated optical imaging components are adopted for scanning, the large integrated optical imaging components are inconvenient to use, corresponding scanning equipment is large, and the manufacturing cost is high; and the large-format document cannot be subjected to partition combined scanning, the scanning accuracy is not high, the scanning speed is slow, and time and labor are wasted.
Therefore, it is desirable to provide a large-format flatbed scanner to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is that when scanning large-format documents, some existing scanners adopt large integrated optical imaging components for scanning, and the large integrated optical imaging components are inconvenient to use, and corresponding scanning equipment is large and the manufacturing cost is high; and the large-format document cannot be subjected to partition combined scanning, the scanning accuracy is not high, and the scanning speed is slow.
In order to solve the technical problems, the utility model adopts a technical scheme that: the large-format flat-panel scanner comprises a plate-type scanning table, wherein a platform glass plate is embedded in the center of the top of the plate-type scanning table and used for placing large-format documents to be scanned, a strip-shaped groove is formed in the front end of the center of the top of the plate-type scanning table and used for matching with a buckling strip to close a covering plate, shaft rods are fixedly connected to the rear ends of the centers of the two sides of the plate-type scanning table and used for rotating the covering plate, rotating blocks are rotatably connected to the outer walls of the two shaft rods and used for driving the covering plate to rotate, the covering plate is fixedly connected to the centers of the rear ends of the two rotating blocks and used for fixing large-format documents to be scanned and placed on the platform glass plate, buckling strips corresponding to the strip-shaped grooves are fixedly connected to the front end of the center of the bottom of the covering plate, and can fix the covering plate, the cover plate also has a certain buffer protection effect;
a support is welded in the center of one side of the plate-type scanning table and used for installing an image analysis module, the center of the top of the support is fixedly connected with the image analysis module, and the image analysis module is used for controlling a micro-stepping motor and receiving scanned image signals;
the center of the inner wall of the plate type scanning table is provided with a scanning chamber, the scanning chamber is used for installing various component structures for scanning analysis, the front end of one side, close to the support table, of the scanning chamber is provided with a micro-stepping motor, the micro-stepping motor drives a first driving roller to rotate, the rotation precision is high, the output end of the micro-stepping motor is rotatably connected with a first driving roller, and the first driving roller drives a second driving roller to rotate through a hard moving belt;
the scanning chamber is connected with a second driving roller in a rotating mode at one side far away from the first driving roller, the second driving roller is used for being matched with the first driving roller to install a hard moving belt, the hard moving belt is sleeved between the first driving roller and the second driving roller and used for installing a plurality of optical imaging assemblies and driving the plurality of optical imaging assemblies to reciprocate, the plurality of optical imaging assemblies are evenly installed at one side of the center of the top of the hard moving belt and used for scanning large-format files to be scanned, placed on the platform glass plate, and the center of the bottoms of the plurality of optical imaging assemblies is fixedly connected with a charge coupling assembly which converts the scanning results of the plurality of optical imaging assemblies into analog signals;
two analog-digital conversion assemblies are uniformly installed in the center of the rear end of the scanning chamber and convert analog signals of the charge coupling assemblies into digital signals, two baffles are fixedly connected to the center of the rear end of the scanning chamber in a symmetrical mode, and the two baffles are used for limiting the movement of the optical imaging assemblies.
Preferably, be integral type structure between lid plywood and two turning blocks, the integral type structure is convenient for close the board to the lid and installs.
Preferably, the buckling strips are made of rubber materials, and the rubber materials have certain elasticity and can protect the plywood.
Preferably, the image analysis module is electrically connected with the plurality of charge coupled devices through a wire, so that signals can be accurately transmitted to the image analysis module and scanning results can be obtained.
Preferably, one end of the first driving roller, which is far away from the micro-stepping motor, is rotatably connected with the rear end of the scanning chamber, so that the first driving roller can stably rotate.
Preferably, two analog-digital conversion assemblies are fixedly connected with the rear end of the scanning chamber.
Preferably, two the baffle is kept away from the one end of scanning room rear end and is all extended to the front end of scanning room, and the baffle is fixed and is carried on spacingly to the removal of a plurality of optical imaging subassembly that can be fine between scanning room front end and rear end.
The utility model has the following beneficial effects:
1. according to the utility model, the micro-stepping motor, the first transmission roller, the second transmission roller and the hard moving belt are arranged in the scanning chamber arranged in the plate type scanning table, and the plurality of optical imaging components are uniformly arranged on the hard moving belt, so that the combined type partitioned scanning can be carried out on the file with a large format through the plurality of optical imaging components, the scanning efficiency is high, the scanning result is accurate, and the defect that the existing flat-plate scanner cannot realize the large-format file scanning is solved;
2. according to the utility model, the plurality of charge coupling assemblies are uniformly arranged at the rear end of the inner wall of the scanning chamber, the plurality of charge coupling assemblies are respectively in one-to-one correspondence with the plurality of optical imaging assemblies, and the image signals scanned by each optical imaging assembly are converted into analog signals, so that the precision is high, and the omnibearing precision scanning of large-format files can be realized.
3. According to the utility model, two analog-digital conversion assemblies are arranged in the scanning chamber, the analog-digital conversion assemblies convert analog signals of the analog-digital conversion assemblies into digital signals, and the digital signals are transmitted to the image analysis module for comprehensive analysis, so that an imaging result for scanning a large-format file is accurately obtained.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a front sectional view of the present invention;
FIG. 3 is a top sectional view of the scanning stage according to the present invention.
In the figure: 1. a plate-type scanning stage; 2. a platform glass plate; 3. a strip-shaped groove; 4. a shaft lever; 5. rotating the block; 6. covering the plywood; 7. a fastening strip; 8. a support platform; 9. an image analysis module; 10. a scanning chamber; 11. a micro-stepper motor; 12. a first drive roller; 13. a second driving roller; 14. a hard moving belt; 15. an optical imaging assembly; 16. a charge coupled device; 17. an analog-to-digital conversion component; 18. and a baffle plate.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the utility model easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the utility model.
Referring to fig. 1, a large-format flat-panel scanner includes a plate-type scanning table 1, a platform glass plate 2 is embedded in the center of the top of the plate-type scanning table 1, the platform glass plate 2 is used for placing large-format documents to be scanned, a strip-shaped groove 3 is formed in the front end of the center of the top of the plate-type scanning table 1, the strip-shaped groove 3 is used for matching with a buckling strip 7 to close a cover plate 6, shaft levers 4 are fixedly connected to the rear ends of the centers of both sides of the plate-type scanning table 1, the shaft levers 4 are used for realizing the rotation of the cover plate 6, the outer walls of the two shaft levers 4 are rotatably connected with rotating blocks 5, the two rotating blocks 5 are used for driving the cover plate 6 to rotate, the centers of the rear ends of the two rotating blocks 5 are fixedly connected with the cover plate 6, the cover plate 6 is used for fixing the large-format documents to be scanned placed on the platform glass plate 2, the cover plate 6 and the two rotating blocks 5 are of an integrated structure, the integrated structure is convenient for installing the cover plate 6, the front end of the center of the bottom of the cover plate 6 is fixedly connected with a buckling strip 7 corresponding to the strip-shaped groove 3, the buckling strip 7 can fix the cover plate 6 and also play a certain role in buffering and protecting the cover plate 6, the buckling strip 7 is made of rubber material, the rubber material has certain elasticity and can protect the cover plate 6, a support table 8 is welded at the center of one side of the plate-type scanning table 1, the support table 8 is used for installing an image analysis module 9, the center of the top of the support table 8 is fixedly connected with the image analysis module 9, the image analysis module 9 is used for controlling the micro-stepping motor 11 and receiving scanned image signals, the image analysis module 9 is electrically connected with the plurality of charge coupling assemblies 16 through wires, so that the signals can be accurately transmitted to the image analysis module 9, and scanning results can be obtained;
referring to fig. 2, a scanning chamber 10 is formed in the center of the inner wall of the plate-type scanning table 1, the scanning chamber 10 is used for installing various component structures for scanning analysis, a micro-stepping motor 11 is installed at the front end of one side of the scanning chamber 10, which is close to the supporting table 8, the micro-stepping motor 11 drives a first driving roller 12 to rotate, the rotation precision is high, the output end of the micro-stepping motor 11 is rotatably connected with the first driving roller 12, the first driving roller 12 drives a second driving roller 13 to rotate through a hard moving belt 14, and one end of the first driving roller 12, which is far away from the micro-stepping motor 11, is rotatably connected with the rear end of the scanning chamber 10, so that the first driving roller 12 can stably rotate;
referring to fig. 3, a second driving roller 13 is rotatably connected to a side of the scanning chamber 10 away from the first driving roller 12, the second driving roller 13 is used to cooperate with the first driving roller 12 to mount a rigid moving belt 14, the rigid moving belt 14 is sleeved between the first driving roller 12 and the second driving roller 13, the rigid moving belt 14 is used to mount a plurality of optical imaging assemblies 15 and drive the plurality of optical imaging assemblies 15 to reciprocate, the plurality of optical imaging assemblies 15 are uniformly mounted at a top center of the rigid moving belt 14, the plurality of optical imaging assemblies 15 are used to scan a large-format document to be scanned placed on the platform glass plate 2, the centers of bottoms of the plurality of optical imaging assemblies 15 are fixedly connected with a charge coupling assembly 16, the charge coupling assembly 16 converts the results of the plurality of optical imaging assemblies 15 after scanning into analog signals, two analog-to-digital conversion assemblies 17 are uniformly mounted at a rear center of the scanning chamber 10, analog-digital conversion component 17 converts the analog signal of charge-coupled device 16 into a digital signal, two fixed connections between analog-digital conversion component 17 and the rear end of scanning room 10, two baffles 18 of scanning room 10 rear end central symmetry fixed connection, two baffles 18 are used for spacing the removal of a plurality of optical imaging components 15, the one end that two baffles 18 keep away from scanning room 10 rear end all extends to the front end of scanning room 10, baffle 18 is fixed and is spacing the removal of a plurality of optical imaging components 15 that can be fine between scanning room 10 front end and rear end.
When the utility model is used, a large-format file is placed on a platform glass plate 2, then a cover plate 6 and a rotating block 5 are rotated to fix the large-format file on the platform glass plate 2, then a micro-stepping motor 11, an optical imaging component 15, a charge coupling component 16 and an analog-digital conversion component 17 are started through an image analysis module 9, the micro-stepping motor 11 drives a first driving roller 12 to rotate, the first driving roller 12 drives a second driving roller 13 to rotate through a hard moving belt 14, and then a plurality of optical imaging components 15 on the hard moving belt 14 are driven to scan the large-format file on the platform glass plate 2, the plurality of optical imaging components 15 respectively transmit the scanned information to the corresponding charge coupling components 16, the plurality of charge coupling components 16 convert the scanned information into analog signals, the two analog-digital conversion components 17 convert the analog signals into digital signals, and the digital signal is transmitted to the image analysis module 9 for comprehensive analysis to obtain scanning information, and scanning and reading of the large-format document are completed.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. The utility model provides a large format flatbed scanner, includes plate-type scanning platform (1), its characterized in that: a platform glass plate (2) is embedded in the center of the top of the plate-type scanning table (1), a strip-shaped groove (3) is formed in the front end of the center of the top of the plate-type scanning table (1), shaft levers (4) are fixedly connected to the rear ends of the centers of the two sides of the plate-type scanning table (1), rotating blocks (5) are rotatably connected to the outer walls of the two shaft levers (4), cover plates (6) are fixedly connected to the centers of the rear ends of the two rotating blocks (5), and buckling strips (7) corresponding to the strip-shaped grooves (3) are fixedly connected to the front end of the center of the bottom of each cover plate (6);
a supporting table (8) is welded in the center of one side of the plate type scanning table (1), and an image analysis module (9) is fixedly connected to the center of the top of the supporting table (8);
a scanning chamber (10) is formed in the center of the inner wall of the plate type scanning table (1), a micro stepping motor (11) is installed at the front end of one side, close to the supporting table (8), of the scanning chamber (10), and the output end of the micro stepping motor (11) is rotatably connected with a first transmission roller (12);
one side, far away from the first driving roller (12), of the scanning chamber (10) is rotatably connected with a second driving roller (13), a hard moving belt (14) is sleeved between the first driving roller (12) and the second driving roller (13), a plurality of optical imaging assemblies (15) are uniformly installed on one side of the center of the top of the hard moving belt (14), and the centers of the bottoms of the optical imaging assemblies (15) are fixedly connected with charge coupling assemblies (16);
two analog-digital conversion assemblies (17) are uniformly installed in the center of the rear end of the scanning chamber (10), and two baffles (18) are fixedly connected to the center of the rear end of the scanning chamber (10) in a symmetrical mode.
2. The large format flatbed scanner of claim 1, wherein: the cover plate (6) and the two rotating blocks (5) are of an integrated structure.
3. The large format flatbed scanner of claim 1, wherein: the buckling strips (7) are made of rubber materials.
4. The large format flatbed scanner of claim 1, wherein: the image analysis module (9) is electrically connected with the charge coupling components (16) through leads.
5. The large format flatbed scanner of claim 1, wherein: one end of the first transmission roller (12) far away from the micro-stepping motor (11) is rotatably connected with the rear end of the scanning chamber (10).
6. The large format flatbed scanner of claim 1, wherein: the two analog-digital conversion assemblies (17) are fixedly connected with the rear end of the scanning chamber (10).
7. The large format flatbed scanner of claim 1, wherein: one ends of the two baffles (18) far away from the rear end of the scanning chamber (10) extend to the front end of the scanning chamber (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122440342.3U CN216490665U (en) | 2021-10-11 | 2021-10-11 | Large-breadth flat-panel scanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122440342.3U CN216490665U (en) | 2021-10-11 | 2021-10-11 | Large-breadth flat-panel scanner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216490665U true CN216490665U (en) | 2022-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122440342.3U Active CN216490665U (en) | 2021-10-11 | 2021-10-11 | Large-breadth flat-panel scanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216490665U (en) |
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2021
- 2021-10-11 CN CN202122440342.3U patent/CN216490665U/en active Active
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