CN209281127U - A kind of microfilm ultra high-definition digital picture reduction apparatus - Google Patents
A kind of microfilm ultra high-definition digital picture reduction apparatus Download PDFInfo
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- CN209281127U CN209281127U CN201821769289.3U CN201821769289U CN209281127U CN 209281127 U CN209281127 U CN 209281127U CN 201821769289 U CN201821769289 U CN 201821769289U CN 209281127 U CN209281127 U CN 209281127U
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Abstract
The utility model discloses a kind of microfilm ultra high-definition digital picture reduction apparatus, LED light sources；Camera unit, the Image Acquisition end of camera unit and the light direct projection direction position of LED light source are corresponding；Microfilm is located at the setting of the light direct projection direction between the luminous end of LED light source and the Image Acquisition end of camera unit and perpendicular to LED light source；Computer, computer are electrically connected with LED light source and camera unit.The device has high degree of automation, goes back that original electronic file speed is fast, the operation is stable, and device structure is simple, advantageous effects with long service life, meets the requirement that the information recorded on microfilm is converted to electronic document by low cost high-volume.
Description
Technical field
The utility model relates to image restoring technical fields, more particularly to also by the ultra high-definition image on film
It originally was the device of electronic document.
Background technique
Currently, for the electronic document for needing to save for a long time, national standard GB/T18894/2002) " electronic records filing and pipe
Reason specification " in the 4.5th article of regulation: " the electronic document of text or graphic form with persistence value, such as without papery
Copy part, it is necessary to paper document or microform etc. be made.21st article of regulation in " People's Republic of China's archives law implementing method ":
" all types archives provide the archives that society utilizes, and should be done step-by-step and replace original part with microform ".With informationization
Application development, the growth of a large amount of electronic documents, the electronic document for needing to save for a long time is more and more, and microform is as heterogeneous backup
Scheme, occupies little space, the holding time is long, management cost is low advantage is prominent therefore is used widely, and makes both at home and abroad at present
Microform is mainly rolling film and plain film film.
However, not occurring yet in existing market is quickly and effectively electronic document by microfilm ultra high-definition image restoring
Device, and some microfilms are badly in need of restoring operation；Such as in Archival Profession, the microfilm quilt of some engineering drawing shootings
It being stored in urban construction archives at different levels, these films are pass by more than 30 years, with the life cycle of building, some buildings
Object reaches the period of maintenance and repair, and after the image on film is converted to electronic document, it is enterprising to be output to paper media Jie
The construction of row architectural engineering maintenance and maintenance；
In addition, the electronic document converted can provide completely new clothes into user by Archive Establishment and digital library
Business utilizes；
Therefore, ability can be become for the device that the ultra high-definition image restoring on film is electronic document by how providing one kind
One problem of domain personnel's urgent need to resolve.
Utility model content
In view of this, the present invention provides a kind of microfilm ultra high-definition digital picture reduction apparatus,
LED light source；
Camera unit, the Image Acquisition end of the camera unit and the light direct projection direction position of the LED light source are corresponding；
The microfilm is located between the luminous end of the LED light source and the Image Acquisition end of the camera unit and perpendicular to described
The light direct projection direction of LED light source is arranged；
Computer, the computer are electrically connected with the LED light source and the camera unit.
The beneficial effects of the utility model are: being realized by simple lighting source and image acquisition units by ultra high-definition
Image restoring is the technical effect of electronic document, and structure is simple and convenient to operate, and has long-time service and widely applied basic item
Part.
Further, further include positioning mechanism, the positioning mechanism for the both ends of microfilm are positioned and make its with
The light direct projection direction of the LED light source is vertical.
To guarantee that microfilm to be processed is vertical with the direct projection direction of LED light source during processing, therefore pass through positioning
Mechanism positions microfilm to be processed, and electronic document is consistent with the image of original in so-called film after guaranteeing reduction
Property.
Preferably, the positioning mechanism includes at least two groups positioning guide wheel group, and the positioning guide wheel group be distributed in it is described
The two sides of LED light source and the camera unit, the microfilm sequentially pass through two groups of positioning guide wheel groups.Positioning described in every group is led
Wheel group includes at least two guide wheels, is placed channel between every group of adjacent guide wheel.The utility model microfilm is successively
It by least two groups positioning guide wheel group, can be fixed on accurate focal plane, focal length when guaranteeing each image intake is accurate
It is errorless.
Preferably, the guide wheel group includes three guide wheels, and the core wheel of the tangent setting of two guide wheels therein and two guide wheels connects
Line is vertical with the light direct projection direction of the LED light source, another guide wheel is disposed adjacent to be formed in the top of described two guide wheels
Placed channel.
By the way that the both ends of microfilm are embedded in placed channel, the positioning of microfilm is not only realized, while may be used also
To realize the displacement of microfilm, and it can be always ensured that the positioning of microfilm is imitated while microfilm is mobile
Fruit.
It further, further include walking mechanism, the walking mechanism includes:
Decelerating step motor,
Take up axis, and the axle center of the axis that takes up is connect with decelerating step motor, and the decelerating step motor is driven through control
Dynamic model block and the calculating mechatronics；
Film trasport axis；The microfilm is rolling, is helically wound around on the film trasport axis, and its head is by described fixed
Mechanism positioning rear screw in position takes up on axis described in being wound in, and the axis that takes up is miniature for driving the head of the microfilm to make
Film displacement, and the film trasport axis is driven to rotate.
When needing batch to carry out the reduction work of microfilm, generally requiring microfilm can be in the enterprising line position of station
Move, so realize to a part of microfilm reduction after at once another part microfilm can be carried out reduction form assembly line
The process of formula, general microfilm are rolling or sheet type, and wherein rolling is in the majority, exactly a kind of miniature glue of rolling provided herein
The walking mechanism of piece enables rolling film successively by the irradiation of LED light source and is reduced to electronic document.
It further, further include counting encoder wheel, the counting encoder wheel is for measuring and recording microfilm
The data are simultaneously transmitted to computer by moving distance, and the head of the microfilm are wound in after positioning mechanism positioning
The counting encoder wheel is wound in described take up on axis again.
In rolling film, each independent image has specific film length, when needing to be restored one by one
When work, it is necessary to which the accurate length of travel for holding film, the utility model carry out microfilm by counting encoder wheel
The measurement of length of travel and record substantially increase the degree of automation of device.
It preferably, further include at least two auxiliary guide wheels, the auxiliary guide wheel is disposed adjacent with the counting encoder wheel
And it is wound in microfilm tensioning on the counting encoder wheel.The utility model addition auxiliary guide wheel guarantees counting encoder
The measurement of wheel, registration accuracy, microfilm, which need to be tensioned, is attached at its surface.
Preferably, auxiliary guide wheel can for two and be set to counting encoder wheel the left and right sides and setting height be lower than
Counting encoder wheel, microfilm are tensioned the upper semi-circle region for being wound in counting encoder wheel, greatly improve measurement accuracy.
It further, further include counter display, described in the counter display and the calculating mechatronics and display
The microfilm moving distance of counting encoder wheel measurement and record.
Preferably, the camera unit is camera, video camera or the digital camera that pixel is greater than 50,000,000.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 attached drawing is structural schematic diagram provided by the utility model；
Wherein, 1-LED light source, 2- microfilm, 3- camera unit, 4- the first positioning guide wheel group, 5- take up axis, 6- film trasport
Axis, 7- first assist guide wheel, 8- counter display, 9- the second positioning guide wheel group, the auxiliary guide wheel of 10- second, 11, counting encoder
Wheel.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
According to the utility model embodiment microfilm ultra high-definition digital picture reduction apparatus, as shown in Figure 1, comprising:
LED light source 1；
Camera unit 3, the Image Acquisition end of camera unit 3 and the light direct projection direction position of LED light source 1 are corresponding；It is miniature
Film 2 is located between the luminous end of LED light source 1 and the Image Acquisition end of camera unit 3 and straight perpendicular to the light of LED light source 1
Penetrate direction setting；The Image Acquisition end of camera unit 3 can choose as tight shot, and tight shot can be fixed as a result, with focus
It is more accurate on film face；The light-emitting surface of LED light source 1,2 image surface of film, the imaging sensor face of camera unit 3 and its fixed
It is parallel that zoom lens take in face four sides, and is arranged on same axle center；
Computer, computer are electrically connected with LED light source 1 and camera unit 3,3 acquired image of camera unit store to
In computer.
It in some embodiments, can also include positioning mechanism, positioning mechanism is used for the both ends positioning of microfilm 2 simultaneously
Keep it vertical with the light direct projection direction of LED light source 1.
Specifically, positioning mechanism may include at least two groups positioning guide wheel group, and positioning guide wheel group is distributed in LED light source 1
With the two sides of camera unit 3, positioning guide wheel group includes at least three guide wheels, and guide wheel is disposed adjacent and is formed placed channel, miniature
The both ends of film 2 pass through the placed channel of two sides and extend outwardly.
More specifically, two groups, respectively the first positioning guide wheel group 4 and the second positioning guide wheel have can be set in positioning guide wheel group
Group 9, the first positioning guide wheel group 4 is close to film trasport axis 6, and the second positioning guide wheel group 9 is close to the axis 5 that takes up.
In a specific example, guide wheel group may include three guide wheels, the tangent setting of two guide wheels therein and two lead
The core wheel line of wheel and the light direct projection direction of LED light source 1 are vertical, another guide wheel is disposed adjacent in the upper rectangular of two guide wheels
At placed channel.The positioning guide wheel group that every group of three guide wheel forms triangular form structure as a result, is installed perpendicular to film, it can is protected
Card film shoot in place after operation every time, meets when shooting that film resetting is accurate, can also meet the film under fast moving
It is not scratched.
It can also include vehicle with walking machine according to the utility model embodiment microfilm ultra high-definition digital picture reduction apparatus
Structure, walking mechanism include: decelerating step motor,
Take up axis 5, the output shaft transmission connection of take up axis 5 and decelerating step motor.The axis 5 that takes up, which can be directly installed on, to be subtracted
On the axis of fast stepper motor, decelerating step motor is through control drive module and calculates mechatronics；Specifically, the computer can
To be connected by USB3.0 cable with camera unit 3；
Film trasport axis 6；Microfilm 2 is rolling, is helically wound around on film trasport axis 6, and its head is fixed by positioning mechanism
Position rear screw, which is wound in, to take up on axis 5, and the axis 5 that takes up is used to that the head of microfilm 2 to be driven to make 2 displacement of microfilm, and
Film trasport axis 6 is driven to rotate.
It specifically, can also include control drive module, computer is connected by USB2.0 cable with control drive module
It connects；Control drive module is connected by control cable with decelerating step motor.
It further include counting encoder wheel 11, counting encoder wheel 11 is for measuring and remembering in the utility model embodiment
It records the moving distance of microfilm 2 and the data is transmitted to computer, the head of microfilm 2 are after positioning mechanism positions
It is wound in counting encoder wheel 11 and is helically wound around again and take up on axis 5.
It further include at least two auxiliary guide wheels in the utility model embodiment, auxiliary guide wheel and counting encoder wheel 11
It is disposed adjacent and is wound in the tensioning of microfilm 2 on counting encoder wheel 11.
In the utility model embodiment, auxiliary guide wheel for two and can be set to the left and right two of counting encoder wheel 11
Side and its setting are highly lower than counting encoder wheel 11, and the tensioning of microfilm 2 is wound in the upper semi-circle area of counting encoder wheel 11
Domain, two auxiliary guide wheels are respectively the first auxiliary guide wheel 7 and the second auxiliary guide wheel 10, and the first auxiliary guide wheel 7 is close to film trasport axis 6, and the
Two auxiliary guide wheels 10 are close to the axis 5 that takes up.
Further include counter display 8 in the utility model embodiment, counter display 8 with calculate mechatronics and show
Show 2 moving distance of microfilm of counting encoder wheel 11 measurement and record.
Specifically, the computer can be by being connected by HDMI2.0 cable and USB2.0 cable with touch display
It connects.Both working condition can be presented in real time, the terminal that can also be instructed as input service.
In the utility model embodiment, camera unit 3 is camera of the pixel greater than 50,000,000, video camera or digital phase
Machine.
Specific work process is as follows: miniature according to the film motion track dress installation roll microfilm 2 in walking mechanism
2 spiral winding of film is mounted on film trasport axis 6, is pulled out the head of microfilm 2, is sequentially passed through determining for the first positioning guide wheel group 4
Bit port, the placed channel of the second positioning guide wheel group 9, the first auxiliary guide wheel 7, counting encoder wheel 11, second assist guide wheel 10,
Then film head is wound into and is taken up on axis 5, the axis 5 that takes up is rotated, observes film image, the first width is prepared into the image of shooting just
Position is between the first positioning guide wheel group 4 and the second positioning guide wheel group 9, and film graph image planes and the rectilinear direction of LED light source 1 are hung down at that time
Directly；Computer system power source is opened, automatically into photographing program, after observation touch display state is normal, starting shooting record
Program；System starts shoot first image in place and are stored on the hard disk of inside computer system；It counts
Display screen 8 shows current count；Piece image and after keeping it accurate in place under film automatic running, repeats above step, until
Complete the shooting of whole pictures of entire volume film.
Particularly, the electronics for the 35mm silent frame microfilm for using A0 drawing to shoot in the past, after such as meeting conversion
File output prints to the resolution ratio on A0 drawing not less than 250DPI, and the resolution ratio index of shooting unit cannot be below 97,000,000
Pixel, in the prior art regardless of which kind of camera unit used, camera unit price high-resolution so is all very expensive,
The high cost of manufacture of equipment will be unable to the high-volume conversion for realizing low cost, can not popularize application, and therefore, this is practical new
The camera unit more than 5000 pixels that type uses, it is primary to shoot the electronic document generated after 35mm silent frame microfilm, it beats
The resolution ratio printed on A1 drawing can achieve 260DPI, and the resolution ratio printed on A2 drawing can achieve 370DPI, in order to
The print resolution for reaching A0 drawing reaches 250DPI, and the utility model is divided into two using by a width 35mm silent frame image
The secondary mode taken pictures is completed, and system program control film walks half of picture length every time, and camera unit shooting focusing is drawn at half
On the position of width, being continuously shot for more pictures is sequentially completed, the electronic document shot respectively is stored in computer system hard,
Two-in-one work is completed by computer software batch processing splice program again, becomes the silent frame on former 35mm microfilm
Electronic document.
Primary to shoot 35mm silent frame image through detecting, the image after reduction can reach resolution ratio index and be
8600X5700 is much higher than the technical indicator 3840X2160 of current 4K number ultra high-definition film, and application prospect is extensive, meets
The information recorded on microfilm is converted to the requirement of electronic document by inexpensive high-volume.
Ultra high-definition image restoring on film is the device of electronic document by the utility model, which has automation journey
Degree is high, goes back original electronic file speed fastly, the operation is stable, and device structure is simple, advantageous effects with long service life, meets
The information recorded on microfilm is converted to the requirement of electronic document by inexpensive high-volume, therefore can also be to 35mm film glue
Piece carries out being quickly converted for electronic document, provides most basic condition at digital movie for conventional film film making.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (9)
1. a kind of microfilm ultra high-definition digital picture reduction apparatus characterized by comprising
LED light source (1)；
Camera unit (3), the Image Acquisition end of the camera unit (3) and the light direct projection direction position of the LED light source (1)
It is corresponding；The microfilm (2) be located at the LED light source (1) luminous end and the camera unit (3) Image Acquisition end it
Between and perpendicular to the light direct projection direction of the LED light source (1) be arranged；
Computer, the computer are electrically connected with the LED light source (1) and the camera unit (3).
2. a kind of microfilm ultra high-definition digital picture reduction apparatus according to claim 1, which is characterized in that further include
Positioning mechanism, the positioning mechanism by the both ends of microfilm (2) for positioning and making the light of itself and the LED light source (1)
Direct projection direction is vertical.
3. a kind of microfilm ultra high-definition digital picture reduction apparatus according to claim 2, which is characterized in that described fixed
Position mechanism includes at least two groups positioning guide wheel group, and the positioning guide wheel group is distributed in the LED light source (1) and the camera shooting is single
The two sides of first (3), the microfilm (2) sequentially pass through two groups described in positioning guide wheel group.
4. a kind of microfilm ultra high-definition digital picture reduction apparatus according to claim 3, which is characterized in that described to lead
Wheel group includes three guide wheels, the tangent setting of two guide wheels therein and the core wheel line of two guide wheels and the light of the LED light source (1)
Line direct projection direction is vertical, another guide wheel be disposed adjacent in described two guide wheels top and between form placed channel.
5. according to a kind of described in any item microfilm ultra high-definition digital picture reduction apparatus of claim 2 to 4, feature exists
In further including walking mechanism, the walking mechanism includes:
Decelerating step motor,
Take up axis (5), and the axis that takes up (5) and the decelerating step motor are sequentially connected, and the decelerating step motor is through controlling
Drive module processed and the calculating mechatronics；
Film trasport axis (6)；The microfilm (2) is rolling, is sheathed on the film trasport axis (6), and described in its head process
It takes up on axis (5) described in being wound in after positioning mechanism positioning, the axis that takes up (5) is used to drive the piece of the microfilm (2)
Head makes microfilm (2) displacement, and the film trasport axis (6) is driven to rotate.
6. a kind of microfilm ultra high-definition digital picture reduction apparatus according to claim 5, which is characterized in that further include
Counting encoder wheel (11), the counting encoder wheel (11) are used to measure and record the moving distance of microfilm (2) and will
The data are transmitted to computer, and the head of the microfilm (2) are wound in the counting after positioning mechanism positioning
Encoder wheel (11) is helically wound around described take up on axis (5) again.
7. a kind of microfilm ultra high-definition digital picture reduction apparatus according to claim 6, which is characterized in that further include
At least two auxiliary guide wheels, the auxiliary guide wheel are disposed adjacent with the counting encoder wheel (11) and make microfilm (2)
It is tightly wound on the counting encoder wheel (11).
8. a kind of microfilm ultra high-definition digital picture reduction apparatus according to claim 6, which is characterized in that further include
Counter display (8), the counter display (8) and the calculating mechatronics simultaneously show that the counting encoder wheel (11) is surveyed
Microfilm (2) moving distance of amount and record.
9. -4, a kind of described in any item microfilm ultra high-definition digital picture reduction apparatus of 6-8 according to claim 1, special
Sign is that the camera unit (3) is camera, video camera or the digital camera that pixel is greater than 50,000,000.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821769289.3U CN209281127U (en) | 2018-10-30 | 2018-10-30 | A kind of microfilm ultra high-definition digital picture reduction apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821769289.3U CN209281127U (en) | 2018-10-30 | 2018-10-30 | A kind of microfilm ultra high-definition digital picture reduction apparatus |
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| CN209281127U true CN209281127U (en) | 2019-08-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109212867A (en) * | 2018-10-30 | 2019-01-15 | 北京大申烽华科技有限责任公司 | A kind of microfilm ultra high-definition digital picture reduction apparatus |
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2018
- 2018-10-30 CN CN201821769289.3U patent/CN209281127U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109212867A (en) * | 2018-10-30 | 2019-01-15 | 北京大申烽华科技有限责任公司 | A kind of microfilm ultra high-definition digital picture reduction apparatus |
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