CN204758912U - Portable digital microscopic analysis appearance - Google Patents
Portable digital microscopic analysis appearance Download PDFInfo
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- CN204758912U CN204758912U CN201520462826.XU CN201520462826U CN204758912U CN 204758912 U CN204758912 U CN 204758912U CN 201520462826 U CN201520462826 U CN 201520462826U CN 204758912 U CN204758912 U CN 204758912U
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- light source
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- focus adjustment
- digital microscopic
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Abstract
The utility model provides a portable digital microscopic analysis appearance is equipped with the switch of making a video recording, light source switch, light source adjust knob and focusing window on its casing, be equipped with ring illuminator, a focal length setting section of thick bamboo, camera lens combination, light source potentiometre and power module in the casing from bottom to top, suit lens barrel in the focal length setting section of thick bamboo, lens barrel lower extreme mouth of pipe department is equipped with the microlens, and the lens barrel upper end mouth of pipe is equipped with camera module, it is equipped with vertical bead on the focal length setting section of thick bamboo outer wall of focusing window department to be located, light source adjust knob and light source potentiometre transmission hookup, the utility model has the advantages that: realize the on -the -spot image processing of small -size, portable, high resolution, high -fidelity, competent real -time requirement to the evidence at the scene of examining the material accomplishes that anytime and anywhere carries out micro - observation, simultaneously to the microscopy images who examines the material storage of shooing, really solves among the investigation difficult problem that the face " can not see " to material evidence material and inspection machine.
Description
Technical field
The utility model belongs to a kind of microscopic analyzer, particularly a kind of portable digital microscopic analyzer.
Background technology
Inspection of document specialty is the important component part that criminal case crime scene is reconnoitred.The work predicament that inspection of document personnel often run in real work, namely the image capture device such as the Stereo microscope of inspection and the digital imaging apparatus of high multiple and high definition is applied to, because volume is excessive, or it is high to operating environment requirements, what have also needs the auxiliary accessories such as special light source and power supply, in site inspection process, these equipment is difficult to carrying, moves to scene.Laboratory can not be collected for some, such as, or on-the-spot must carry out the sample of initial survey on the spot, some need the seal seal of inspection, because legal provisions can not take away storage space, but need reviewer to judge its generation type, which forms inspection difficulty.Causing sample can not be extracted into laboratory uses above-mentioned instrument to test, i.e. dilemma that mutually can not see of sample, file tester device.This has reconnoitred out a difficult problem not only to inspection of document personnel on site, also causes censorship difficulty to censorship unit of handling a case.
At present, the multiple digital micrograph equipment of collection contemporary optics, electronics and iconography, is applied to the field such as geology, medical science.The equipment such as the image method grain analyser that the SY-1 type micro-imaging digital assay instrument of Research Centre of Geological Exploration Economics of mineral products portion research and development, the high-speed wide-breadth microscopic image acquisition system of Central China Normal University's research and development and Shanghai University of Science and Technology research and develop, all there is imaging clearly, enlargement ratio is high, stable, do not distort, resolution high.
Though the said goods respectively has advantage, but inspection is reconnoitred for criminal-scene, visual field is too small, enlargement ratio is excessive or resolving power is not enough, image border is caused to be out of shape, all be not suitable for criminal technique, particularly the demand of inspection of document personnel in real work, can not fully meet civilian inspection personnel investigate scene on the spot and go out work time demand.Such as to the preliminary judgement of the mode that basically forms of printed text, writing on paper document, to covering writing, the situation such as the on-the-spot preliminary test of the trace that disappears, above-mentioned instrument is all not suitable for, and involves great expense.In addition, due to criminal case criminal cases site or inspection of document field environmental condition ever-changing, so the power supply of portable equipment is provided and just has higher requirement with the accommodation of light source to environment.
Summary of the invention
The purpose of this utility model is to provide a kind of portable digital microscopic analyzer, realize small-sized, portable, high resolving power, high-fidelity image scene process, the competent requirement of real-time to the evidence at the scene of sample, accomplish to carry out microscopic observation whenever and wherever possible, effective shortening analysis time, for quick obtaining evidence provides strong technical guarantee, the micro-image of sample is taken pictures storage simultaneously, thus real solve the difficult problem of reconnoitring middle material evidence material and " can not see face " with inspection machine, lifting explorer preliminary test and capacity for individual action at the scene.
The purpose of this utility model is achieved through the following technical solutions: a kind of portable digital microscopic analyzer, is characterized in that: it comprises hollow shell, and housing is provided with shooting switch, light source switch, light source adjusting knob and focusing window; Ring light source plate, focus adjustment cylinder, camera lens combination, light source potentiometer and power module is provided with from bottom to top in housing; Ring light source plate is provided with annular light source; The bottom of housing is provided with light shield, and light shield is positioned at below ring light source plate; Focus adjustment jacket casing is contained in the housing of focusing window, and the inwall of focus adjustment cylinder is provided with internal thread, and the focus adjustment drum outer wall being positioned at focusing window place is provided with vertical fin; Lens group is combined into convex, is made up of the limit base of bottom and the barrel on top; The outer wall of barrel is provided with external thread; Barrel is placed in focus adjustment cylinder, and the external thread of barrel and the internal thread of focus adjustment cylinder engage each other, and pass downwardly through ring light source plate; Limit base is positioned at the top of focus adjustment cylinder; Barrel is tubulose, and the mouth of pipe place, bottom of barrel is provided with microlens, and the upper end mouth of pipe of barrel at limit base place, and is provided with photographing module; Light source adjusting knob and light source potentiometer driving coupling;
Both positive and negative polarity one tunnel serial connection annular light source, light source switch, the light source potentiometer of described power module; Another road of the both positive and negative polarity of power module serial connection photographing module, shooting switch.
Described housing is divided into upper body, central enclosure and lower case, successively detachable connection.
Described power module is battery, and battery is connected with USB interface by connecting line.
Described photographing module is ccd image sensor.
Described annular light source is LED annular light source.
Described LED annular light source is spaced ultraviolet LED light source light and white LED light source.
Described light shield is back taper light shield.
Advantage of the present utility model and beneficial effect are:
1, whole instrument maximum gauge 6 centimetres, length 20 centimetres, explorer can complete all operations by one hand, and hand-held weight is no more than 1000g, realizes small-sized, portable.
2, manually rotary coke apart from the vertical fin in adjustment barrel, focus adjustment cylinder is driven to rotate, the rotation of focus adjustment cylinder forms moving up and down of barrel, manual adjustments enlargement ratio 20-40 times, the enlarged image with saving scene sample can be gathered, realize the direct scene of equipment image analysis capabilities in laboratory, improve the test sensitivity efficiency of material evidence, the competent requirement of real-time to the evidence at the scene of sample, accomplish to carry out microscopic observation whenever and wherever possible, effective shortening analysis time, for quick obtaining evidence provides strong technical guarantee.
3, the LED light source adopting annular space to install white light and ultraviolet light excites; not only energy-conservation; in order to extend power consumption duration; but also the eyesight of the reviewer that can keep the scene intact very well; in addition; can also accomplish within sweep of the eye to observe without shadow in operation, make field observation sample clear, true, these true features of reduction sample can be accomplished.
4, the micro-image of sample is taken pictures storage, really solve the difficult problem of reconnoitring middle material evidence material and inspection machine and " can not see face ".
5, adopt high-performance polymer battery as portable power supplies, accomplish that minimum volume realizes the longest on-the-spot power supply capacity, to meet various complicated scene and not have the on-the-spot needs of power source, even under non-transformer total darkness environment, this instrument also can independently-powered complete operation.
6, install light shield additional, effectively LED annular excitation source is used for checking visual field to greatest extent, avoids light source to disperse, both can improve the utilization rate of light, the eyesight of the reviewer that can keep the scene intact very well again.
Accompanying drawing explanation
Fig. 1 is schematic front view of the present utility model.
Fig. 2 is that schematic diagram is looked on a left side of the present utility model.
Fig. 3 is circuit diagram of the present utility model.
Wherein:
1-housing, 2-upper body, 3-central enclosure, 4-lower case, 5-makes a video recording switch, 6-light source switch, 7-light source adjusting knob, 8-battery, 9-USB interface, 10-focuses window, 11-focus adjustment cylinder, 12-barrel, 13-limit base, 14-annular light source, 15-light shield, 16-microlens, 17-photographing module, the vertical fin of 18-, 19-light source potentiometer, 20-ring light source plate, 21-camera lens combines.
Embodiment
Embodiment: as shown in the figure, a kind of portable digital microscopic analyzer, it comprises hollow shell 1, the diameter of hollow shell 16 centimetres, length 20 centimetres, is housing 1 by upper body 2, central enclosure 3 and lower case 4 three part successively spinning, is convenient for changing and keeps in repair; Upper body 2 is provided with shooting switch 5, light source switch 6, is provided with battery 8 in upper body 2, battery 8 connects USB interface 9 by connecting line; Central enclosure 3 is provided with light source adjusting knob 7, light source potentiometer 19 is installed in central enclosure 3, light source adjusting knob 7 and light source potentiometer 19 driving coupling; Be provided with ring light source plate 20 in lower case 4, light source board 20 is provided with annular light source 14 in the form of a ring, annular light source 14 is disposed on ring light source plate 20 by ultraviolet and White LED light source; The bottom of lower case 4 is installed with back taper light shield 15, and ring light source plate 14 is positioned at the top of back taper light shield 15; The sidewall of lower case 3 is provided with focusing window 10, and focus adjustment cylinder 11 is sleeved in the lower case 4 of focusing window 10, and the inwall of focus adjustment cylinder 11 is provided with internal thread, and focus adjustment cylinder 11 outer wall being positioned at focusing window 10 place is provided with vertical fin 18; Install camera lens combination 21 in lower case 4, camera lens combination 21 is convex, and be made up of the limit base 13 of bottom and the barrel 12 on top, the outer wall of barrel 12 is provided with external thread; Barrel 12 is placed in focus adjustment cylinder 11, the diameter of barrel 12 and the internal diameter of focus adjustment cylinder 11 agree with, the external thread of barrel 12 and the internal thread of focus adjustment cylinder 11 engage each other, pass downwardly through the annular light source 14 on ring light source plate 20, limit base 13 is positioned at the top of focus adjustment cylinder 11; Barrel 12 is tubulose, the mouth of pipe place, bottom of barrel 12 is provided with microlens 16, and the upper end mouth of pipe of barrel 12 at limit base 13 place, and is provided with photographing module 17, photographing module 17 selects light magnesium light MT9M112 sensor, additional 2,000,000 pixel resolving powers; Battery 8 is connected in series with shooting switch 5 and photographing module 17, and battery 8 is connected with light source switch 6, light source potentiometer 19 and annular light source 14.
Vertical fin 18 on the focus adjustment cylinder 11 at manually pivot bottom housing 4 window place, barrel 12 is driven to rotate, what the rotation of barrel 12 formed barrel 12 moves up and down 10-50mm manual focusing, static images reaches as high as 1600*1200dpi, manual adjustments enlargement ratio 20-40 times, the enlarged image with saving scene sample can be gathered, realize the direct scene of equipment image analysis capabilities in laboratory, improve the test sensitivity efficiency of material evidence, the competent requirement of real-time to the evidence at the scene of sample, accomplish to carry out microscopic observation whenever and wherever possible, effective shortening analysis time, for quick obtaining evidence provides strong technical guarantee.
Annular LED light source is for carrying brightness continuously adjustabe joint, annular light source is spaced by ultraviolet LED light source and white LED light source, the wavelength of ultraviolet LED light source is 375 nanometers, and the bottom setting height(from bottom) of the lower case 4 of the bottom of annular light source is the back taper light shield of 1.5 centimetres.
USB interface is connected with computing machine, by the image transmission of collection to computing machine.
This portable digitalization microscopic analyzer installs optical subsystem and CCD imaging subsystems, explorer also can be accomplished sample preliminary observation and inspection at complicated scene, collection, enlarged image observation, storage, preliminary images process and transmission, portable microscopy apparatus is connected with microcomputer, complete scene image information collection, and by respective image process software, rough handling and preservation are carried out to gathered image, for site inspection reviewer, collection in worksite picture is taken back laboratory, check use further.
It is long that whole instrument volume is less than 60mm() X60mm(is wide) X200mm(is high), the singlehanded independent operation of reviewer completes a series of actions such as illumination, zoom, collection image; With the panel computer be convenient for carrying for carrier, really accomplished " portable ", whole hardware general assembly (TW) controls within 4 kilograms, and the battery last powered operation time is not less than 2 hours.
Adopt high-performance polymer battery as portable power supplies, accomplish that minimum volume realizes the longest on-the-spot power supply capacity, to meet various complicated scene and there is no the on-the-spot needs of power source, even under non-transformer total darkness environment, this instrument also can independently-powered complete operation, using panel computer battery as emergency standby power with the standby electricity possible period of want or need.
Project achievement is tried out
Project achievement is tried out instrument as unit on probation by science and technology concerning criminal matters research institute of Hongqiao branch office of Tianjin Municipal Public Security Bureau, science and technology concerning criminal matters research institute of west of a river branch office of Tianjin Municipal Public Security Bureau, science and technology concerning criminal matters research institute of Mare Tranquillitatis branch office of Tianjin Municipal Public Security Bureau, achieves satisfied test effect.
Case 1
On August 21st, 2013, group of criminal investigation detachment one of Tanggu branch office of Pests in Tianjin Binhai New Area public security bureau entrusted my unit to be carried out verification of seals and stamps to tension force guiding principle by the case-involving material of fraud case.After I unit literary composition inspection professional accepts commission, carry portable digital microscopic analyzer and go to Pests in Tianjin Binhai New Area administration commission to carry out field test and image acquisition to sample original paper, obtain good result.
Case 2
Small station local police station of Jin Nan branch office of Tianjin Municipal Public Security Bureau on January 23rd, 2014 entrusts Yin Bo fraud case to my unit.My specialty uses this portable digital microscopic analyzer to carry out field test and collection to case-involving seal impression, successfully makes correct assay.
Give practical application through science and technology concerning criminal matters departments such as west of a river branch office of Tianjin Municipal Public Security Bureau, Hongqiao branch office, Mare Tranquillitatis branch offices, and my specialty is all achieved good results for actual case inspection, reaches project re-set target.
This equipment can carry out seal imprint recognition, writing discriminating, graph image identification, fingerprint on site collection etc. to file material evidence, can be competent at on-the-spot to image acquisition and digitized various requirement completely.The checking image information gathered, clearly can present Miscellaneous Documents examination of material evidence feature, ensure that objectivity and the accuracy of the inspection of document.
In addition, this Whole Equipment is different from other similar products, it is that the various sample demands of reconnoitring for criminal-scene are specially arisen at the historic moment, so be more suitable for each technical appraisement department, complete machine cost is also starkly lower than the similar products of other field, batch production can lower equipment unit price further, is the microscopic digital image capture device of a high-quality.Simultaneously, this equipment can increase the peripherals such as multiband inspection light source further, in order to the inspection field that the discovery and extraction etc. of carrying out fingerprint on site are new, the inspection of document at different levels, verification of traces certifying agency can be widely used in, there is good market application prospect.
Claims (7)
1. a portable digital microscopic analyzer, is characterized in that: it comprises hollow shell, and housing is provided with shooting switch, light source switch, light source adjusting knob and focusing window; Ring light source plate, focus adjustment cylinder, camera lens combination, light source potentiometer and power module is provided with from bottom to top in housing; Ring light source plate is provided with annular light source; The bottom of housing is provided with light shield, and light shield is positioned at below ring light source plate; Focus adjustment jacket casing is contained in the housing of focusing window, and the inwall of focus adjustment cylinder is provided with internal thread, and the focus adjustment drum outer wall being positioned at focusing window place is provided with vertical fin; Lens group is combined into convex, is made up of the limit base of bottom and the barrel on top; The outer wall of barrel is provided with external thread; Barrel is placed in focus adjustment cylinder, and the external thread of barrel and the internal thread of focus adjustment cylinder engage each other, and pass downwardly through ring light source plate; Limit base is positioned at the top of focus adjustment cylinder; Barrel is tubulose, and the mouth of pipe place, bottom of barrel is provided with microlens, and the upper end mouth of pipe of barrel at limit base place, and is provided with photographing module; Light source adjusting knob and light source potentiometer driving coupling;
Both positive and negative polarity one tunnel serial connection annular light source, light source switch, the light source potentiometer of described power module; Another road of the both positive and negative polarity of power module serial connection photographing module, shooting switch.
2. a kind of portable digital microscopic analyzer according to claim 1, is characterized in that: described housing is divided into upper body, central enclosure and lower case, successively detachable connection.
3. a kind of portable digital microscopic analyzer according to claim 1, is characterized in that: described power module is battery, and battery is connected with USB interface by connecting line.
4. a kind of portable digital microscopic analyzer according to claim 1, is characterized in that: described photographing module is ccd image sensor.
5. a kind of portable digital microscopic analyzer according to claim 1, is characterized in that: described annular light source is LED annular light source.
6. a kind of portable digital microscopic analyzer according to claim 5, is characterized in that: described LED annular light source is spaced ultraviolet LED light source light and white LED light source.
7. a kind of portable digital microscopic analyzer according to claim 5, is characterized in that: described light shield is back taper light shield.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520462826.XU CN204758912U (en) | 2015-07-01 | 2015-07-01 | Portable digital microscopic analysis appearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520462826.XU CN204758912U (en) | 2015-07-01 | 2015-07-01 | Portable digital microscopic analysis appearance |
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| Publication Number | Publication Date |
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| CN204758912U true CN204758912U (en) | 2015-11-11 |
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| CN201520462826.XU Expired - Fee Related CN204758912U (en) | 2015-07-01 | 2015-07-01 | Portable digital microscopic analysis appearance |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106353319A (en) * | 2016-08-30 | 2017-01-25 | 常州正易晟网络科技有限公司 | Device and method for automatically analyzing texture and process of sewing thread based on video recognition |
| CN106353288A (en) * | 2016-08-30 | 2017-01-25 | 常州正易晟网络科技有限公司 | Finished product chemical residue detection device and method based on fluorescent analysis |
| CN108345100A (en) * | 2018-05-11 | 2018-07-31 | 中国汽车工业工程有限公司 | A kind of Portable fluorescence microscope |
| CN109813704A (en) * | 2017-11-20 | 2019-05-28 | 中国科学院大连化学物理研究所 | A kind of toxic inorganic gas field quick detection system |
| US10495568B2 (en) | 2017-04-28 | 2019-12-03 | The Royal Institution For The Advancement Of Learning/Mcgill University | Apparatus for analyzing a sample of granular material |
-
2015
- 2015-07-01 CN CN201520462826.XU patent/CN204758912U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106353319A (en) * | 2016-08-30 | 2017-01-25 | 常州正易晟网络科技有限公司 | Device and method for automatically analyzing texture and process of sewing thread based on video recognition |
| CN106353288A (en) * | 2016-08-30 | 2017-01-25 | 常州正易晟网络科技有限公司 | Finished product chemical residue detection device and method based on fluorescent analysis |
| US10495568B2 (en) | 2017-04-28 | 2019-12-03 | The Royal Institution For The Advancement Of Learning/Mcgill University | Apparatus for analyzing a sample of granular material |
| CN109813704A (en) * | 2017-11-20 | 2019-05-28 | 中国科学院大连化学物理研究所 | A kind of toxic inorganic gas field quick detection system |
| CN108345100A (en) * | 2018-05-11 | 2018-07-31 | 中国汽车工业工程有限公司 | A kind of Portable fluorescence microscope |
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Legal Events
| 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151111 Termination date: 20200701 |