CN204575528U - A kind of document dating device - Google Patents
A kind of document dating device Download PDFInfo
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- CN204575528U CN204575528U CN201520240930.4U CN201520240930U CN204575528U CN 204575528 U CN204575528 U CN 204575528U CN 201520240930 U CN201520240930 U CN 201520240930U CN 204575528 U CN204575528 U CN 204575528U
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- microscope
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- inspection
- objective table
- grip block
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Abstract
The utility model relates to a kind of document dating device, mainly comprise microscope and measure objective table, microscope is measured objective table and is provided with spectral scan device and Multiband excitation light source on one side, microscope is measured objective table and is provided with inspection of document microscope, two ends, inspection of document microscope left and right are respectively equipped with electric resistance measuring apparatus, imprinting apparatus, are provided with fluid injection dissolver below inspection of document microscope; The microscopical top of the inspection of document is with eyepiece, ccd image sensor and light filter, and the microscopical below of the inspection of document is with continuous zoom object lens and LED; Imprinting apparatus mainly comprises grip block, and grip block side is provided with and rotates impression handwheel, and the clamping of grip block upper end is provided with chemical reagent, is provided with stamping station and test paper below chemical reagent.The utility model can reduce verify error, and can work under open environment, and device is changed easy, and handled easily, in addition the utility model simple structure, cost performance is high.
Description
Technical field
The utility model relates to testing instruments field, specifically a kind of document dating device.
Background technology
The inspection of file formation time is a difficult problem that is international, domestic civilian inspection technology always.Because the colorant that file is made often affects by perhaps multifactorial and restrict.As: humiture of residing environment etc. deposited by file generation type, formation condition, file.At present along with the development of modern science and technology, the method and apparatus that checking file makes the time continues to bring out, as thin-layered chromatography, repeatedly determination method etc.But, adopt at present the single of method and apparatus and without the time, go measurement without the unified standard of areal variation, can error be produced unavoidably.
Summary of the invention
For above-mentioned technical matters, the utility model proposes and checking file is made to a kind of document dating device detecting to reduce error by multiple method.
A kind of document dating device, mainly comprise microscope and measure objective table, described microscope is measured objective table and is provided with spectral scan device and Multiband excitation light source on one side, described microscope is measured objective table and is provided with inspection of document microscope, two ends, described inspection of document microscope left and right are respectively equipped with electric resistance measuring apparatus, imprinting apparatus, are provided with fluid injection dissolver below described inspection of document microscope;
Above-mentioned is constructional device main of the present utility model, mainly by using microspectrophotometry, fluid injection dissolution method, microscope mensuration, resistance method of temperature measurement to carry out document forming time inspection.Wherein resistance method of temperature measurement only needs electric resistance measuring apparatus to be connected the equidistant testing electroprobe of both positive and negative polarity, then whether unanimously the document forming time of both auxiliary judgment is carried out with the testing electroprobe resistance mean difference measured respectively between burnt black ink writing with sample for reference, reading on electric resistance measuring apparatus of resistance value.
The microscopical top of the described inspection of document is with eyepiece, ccd image sensor and light filter, and the microscopical below of the described inspection of document is with continuous zoom object lens and the adjustable LED of optically focused;
The above-mentioned primary structure for inspection of document microscopie unit, it can by microscope mensuration carry out seal impress time stamp-pad ink propagation measurement or blue-black ink sulfate writing diffusion, concrete mode is: first moved away by fluid injection dissolver, tested material being placed on microscope measures on objective table, the starting point that tested material will measure is aimed at eyepiece cross searching, then slow mobile object lens, cause the end that the cross searching of eyepiece to tested material will be measured, and calculate object lens displacement by twice position readings, namely displacement be that on tested material, impression or writing are spread and sunk in loose distance, that sets up that curvilinear coordinates equation can derive corresponding file according to loose distance of spreading and sinking in for several times makes the time.
Described imprinting apparatus mainly comprises the grip block be arranged on described microscope measurement objective table, and described grip block side is provided with and rotates impression handwheel, and the clamping of described grip block upper end is provided with chemical reagent, is provided with stamping station and test paper below described chemical reagent.
Above-mentioned is the primary structure of imprinting apparatus, it can dissolve in the tested material of chemical reagent by the inspection of fluid injection dissolution method, wherein concrete check system is: place in stamping station after being sampled by ccd image sensor under being first placed on eyepiece again, inject chemical reagent, rotating impression handwheel makes test paper and the tested material be now dissolved in or be slightly soluble in chemical reagent attach, test paper after impression to be placed under microscope by sampling mirror image measurement comparison again, after drawing data, judge the document forming time of this tested material.
The inner right-hand member of described spectral scan device is provided with stepper motor, described stepper motor is connected with worm screw, and described worm mesh has worm gear, and described worm gear is provided with grating, described worm gear rear end is provided with hybrid light source, and the inner left end of described spectral scan device is provided with reflective mirror.
The above-mentioned primary structure for spectral scan device, it can be insoluble to the tested material of chemical reagent by microspectrophotometry inspection, wherein concrete check system is: first tested material is placed on reflective mirror top, spectral scan device is contained on inspection of document microscope continuous zoom object lens, then control step driven by motor worm screw and spiral turn, now hybrid light source is divided into ultraviolet to be irradiated on tested material in the lump to Infrared by grating, takes the photograph to enter after spectrum that corresponding system carries out analyzing, record after scanning through ccd image sensor.The curve of spectrum difference done respectively by tested material and sample for reference is to judge that sample material and sample for reference file whether same time make.
The organic toner writing material that the utility model can be made file, as the files such as ball pen, blue-black pen, ethereal blue pen, transfer paper, ink-jet printer, ribbon printer, non-carbon element signature pen, ink paste stamp-pad ink carry out time check, and there is file tester function, can identify the handwriting, printed text, stained file test; Resistance detection can be carried out to carbon element person's handwriting; Literary composition inspection image is processed.
The beneficial effects of the utility model are:
The utility model can realize comprehensive test by measuring means and mode to document forming time, mutually confirms, thus reaches the error-checking effect of reduction, in addition the utility model advanced technology, can work under open environment, many devices are changed easy, handled easily.The utility model simple structure in addition, but cost performance is high.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is perspective view of the present utility model;
Fig. 2 is inspection of document microscope of the present utility model and perspective view;
Fig. 3 is main TV structure schematic diagram of the present utility model;
Fig. 4 is the A-A cut-open view of Fig. 3.
Embodiment
The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, below the utility model being set forth further.
As shown in Figures 1 to 4, a kind of document dating device, mainly comprise microscope and measure objective table 6, described microscope is measured objective table 6 and is provided with spectral scan device 2 and Multiband excitation light source 7 on one side, described microscope is measured objective table 6 and is provided with inspection of document microscope 1, described inspection of document microscope about 1 two ends are respectively equipped with electric resistance measuring apparatus 5, imprinting apparatus 4, are provided with fluid injection dissolver 3 below described inspection of document microscope 1;
Above-mentioned is constructional device main of the present utility model, mainly by using microspectrophotometry, fluid injection dissolution method, microscope mensuration, resistance method of temperature measurement to carry out document forming time inspection.Wherein resistance method of temperature measurement only needs electric resistance measuring apparatus 5 to connect the equidistant testing electroprobe of both positive and negative polarity, then whether unanimously the document forming time of both auxiliary judgment is carried out with the testing electroprobe resistance mean difference measured respectively between burnt black ink writing with sample for reference, reading on electric resistance measuring apparatus 5 of resistance value.
The top of described inspection of document microscope 1 is with eyepiece 8, ccd image sensor 9 and light filter 10, and the below of described inspection of document microscope 2 is with continuous zoom object lens 11 and the adjustable LED 12 of optically focused;
The above-mentioned primary structure for inspection of document microscope 1 device, it can by microscope mensuration carry out seal impress time stamp-pad ink propagation measurement or blue-black ink sulfate writing diffusion, concrete mode is: first moved away by fluid injection dissolver 3, tested material being placed on microscope measures on objective table 6, the starting point that tested material will measure is aimed at eyepiece 9 cross searching, then slow mobile object lens 11, cause the end that the cross searching of eyepiece 9 to tested material will be measured, and calculate object lens 11 displacement by twice position readings, namely displacement be that on tested material, impression or writing are spread and sunk in loose distance, that sets up that curvilinear coordinates equation can derive corresponding file according to loose distance of spreading and sinking in for several times makes the time.
Described imprinting apparatus 4 mainly comprises the grip block 13 be arranged on described microscope measurement objective table 6, described grip block 13 side is provided with and rotates impression handwheel 14, the clamping of described grip block 13 upper end is provided with chemical reagent 15, is provided with stamping station 15 and test paper 16 below described chemical reagent 15.
Above-mentioned is the primary structure of imprinting apparatus 4, it can dissolve in the tested material of chemical reagent by the inspection of fluid injection dissolution method, wherein concrete check system is: be first placed on after eyepiece is sampled by ccd image sensor 9 for 9 times and place in stamping station 15 again, inject chemical reagent 15, rotating impression handwheel 14 makes test paper 16 and the tested material be now dissolved in or be slightly soluble in chemical reagent attach, test paper 16 after impression to be placed under microscope by sampling mirror image measurement comparison again, after drawing data, judge the document forming time of this tested material.
The inner right-hand member of described spectral scan device 2 is provided with stepper motor 17, described stepper motor 17 is connected with worm screw 18, described worm screw 18 is engaged with worm gear 19, described worm gear 19 is provided with grating 20, described worm gear 19 rear end is provided with hybrid light source 21, and the inner left end of described spectral scan device 2 is provided with reflective mirror 22.
The above-mentioned primary structure for spectral scan device 2, it can be insoluble to the tested material of chemical reagent by microspectrophotometry inspection, wherein concrete check system is: first tested material is placed on reflective mirror 22 top, spectral scan device 2 is contained on inspection of document microscope 1 continuous zoom object lens 11, then control step motor 17 drives worm screw 22 and worm gear 19 to rotate, now hybrid light source 21 is divided into ultraviolet to be irradiated on tested material in the lump to Infrared by grating 20, takes the photograph to enter after spectrum that corresponding system carries out analyzing, record after scanning through ccd image sensor 9.The curve of spectrum difference done respectively by tested material and sample for reference is to judge that sample material and sample for reference file whether same time make.
More than show and describe ultimate principle of the present utility model, principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; the just principle of the present utility model described in above-described embodiment and instructions; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (2)
1. a document dating device, mainly comprise microscope and measure objective table (6), it is characterized in that: described microscope is measured objective table (6) and is provided with spectral scan device (2) and Multiband excitation light source (7) on one side, described microscope is measured objective table (6) and is provided with inspection of document microscope (1), described inspection of document microscope (1) two ends, left and right are respectively equipped with electric resistance measuring apparatus (5), imprinting apparatus (4), and described inspection of document microscope (1) below is provided with fluid injection dissolver (3);
The top of described inspection of document microscope (1) is with eyepiece (8), ccd image sensor (9) and light filter (10), and the below of described inspection of document microscope (2) is with continuous zoom object lens (11) and the adjustable LED (12) of optically focused;
Described imprinting apparatus (4) mainly comprises the grip block (13) be arranged on described microscope measurement objective table (6), described grip block (13) side is provided with and rotates impression handwheel (14), the clamping of described grip block (13) upper end is provided with chemical reagent (15), and described chemical reagent (15) below is provided with stamping station (15) and test paper (16).
2. a kind of document dating device according to claim 1, it is characterized in that: the inner right-hand member of described spectral scan device (2) is provided with stepper motor (17), described stepper motor (17) is connected with worm screw (18), described worm screw (18) is engaged with worm gear (19), described worm gear (19) is provided with grating (20), described worm gear (19) rear end is provided with hybrid light source (21), and the inner left end of described spectral scan device (2) is provided with reflective mirror (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520240930.4U CN204575528U (en) | 2015-04-20 | 2015-04-20 | A kind of document dating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520240930.4U CN204575528U (en) | 2015-04-20 | 2015-04-20 | A kind of document dating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204575528U true CN204575528U (en) | 2015-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520240930.4U Expired - Fee Related CN204575528U (en) | 2015-04-20 | 2015-04-20 | A kind of document dating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204575528U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108535255A (en) * | 2018-03-27 | 2018-09-14 | 中国刑事警察学院 | Time check method is made in file material evidence |
-
2015
- 2015-04-20 CN CN201520240930.4U patent/CN204575528U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108535255A (en) * | 2018-03-27 | 2018-09-14 | 中国刑事警察学院 | Time check method is made in file material evidence |
| CN108535255B (en) * | 2018-03-27 | 2021-04-27 | 中国刑事警察学院 | Document material evidence making time inspection method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150819 Termination date: 20200420 |
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| CF01 | Termination of patent right due to non-payment of annual fee |