CN101627912B - Multifunctional ultrasonic atomization fuming instrument for potential trace - Google Patents
Multifunctional ultrasonic atomization fuming instrument for potential trace Download PDFInfo
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- CN101627912B CN101627912B CN2009100913108A CN200910091310A CN101627912B CN 101627912 B CN101627912 B CN 101627912B CN 2009100913108 A CN2009100913108 A CN 2009100913108A CN 200910091310 A CN200910091310 A CN 200910091310A CN 101627912 B CN101627912 B CN 101627912B
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- ultrasonic atomization
- potential
- chemical reagent
- vestige
- potential vestige
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Abstract
The invention provides a multifunctional ultrasonic atomization fuming instrument for potential trace development, which comprises an ultrasonic atomization mechanism and a potential trace development box, the ultrasonic atomization mechanism is communicated with the potential trace development box through a conduit, wherein, the ultrasonic atomization mechanism comprises a water medium container, water and an ultrasonic oscillation plate are arranged in the water medium container; a chemical reagent oscillation film container which is arranged on the water medium container; an oscillation film which is arranged between the water medium container and the chemical reagent oscillation film container; and an atomization air supply device which is connected with the chemical reagent oscillation film container, the ultrasonic oscillation plate is used for generating ultrasonic energy to act on the chemical reagent in the chemical reagent oscillation film container through water and the oscillation film, so that the atomized uniform droplet enters a potential trace appearance tank, and settles on the potential trace surface. The instrument can make the chemical reagent droplet to quickly settle and react with substance on object surface, thereby clearly developing the potential traces.
Description
Technical field
The present invention relates to a kind of atomizing fumigating-displaying apparatus, particularly a kind of ultrasonic atomization fuming shows instrument, and it can clearly display potential vestige based on the ultrasonic atomization principle.
Background technology
All multi-modes such as traditional potential vestige chemistry manifests spraying, immersion, wiping examination; but there are a lot of shortcomings in above-mentioned pattern; as make the diffusion of potential vestige, pollute sample, problems such as masking liquid is inhomogeneous, liquid waste, complex operation; lose the minutia of vestige easily; the most important thing is and to cause irreversible damage to material evidence; make it to lose the effectiveness that court tells, therefore limited the scope of application of potential vestige chemistry process for show.
Summary of the invention
Main purpose of the present invention provides a kind of potential vestige multifunctional ultrasonic atomization fuming and shows instrument, it is based on the ultrasonic atomization principle, specification requirement according to potential vestige, chemical reagent such as 1,2,3-indantrione monohydrate, DFO can be atomized into the fine fog equipment of (being called aerosol), because the aerosol proportion that is generated is greater than air, sedimentation and bonded chemical reaction takes place rapidly with lip-deep footprint of object and fingerprint material, thus show potential vestige clearly.
In order to achieve the above object, the invention provides a kind of potential vestige multifunctional ultrasonic atomization fuming and show instrument, it comprises that a ultrasonic atomization mechanism and potential vestige manifest case, and described ultrasonic atomization mechanism manifests case with described potential vestige and is connected by a conduit; Wherein,
Described ultrasonic atomization mechanism comprises:
One aqueous medium container is provided with a water and a supersonic oscillations sheet in it;
One chemical reagent oscillating membrane container, it is arranged on the described aqueous medium container;
One oscillating membrane, it is arranged between described aqueous medium container and described chemical reagent oscillating membrane container;
One atomizing air-supply arrangement, it links to each other with described chemical reagent oscillating membrane container;
Described supersonic oscillations sheet is used for, produce ultrasound wave acoustic energy, described ultrasound wave acoustic energy is medium by water in the described aqueous medium container and described oscillating membrane, act on the chemical reagent in the described chemical reagent oscillating membrane container, make described chemical reagent atomizing be even droplet, described even droplet enters described potential vestige and manifests case, and falls to described potential vestige and manifest potential vestige surface in the case.
In the preferred implementation, also comprise a circulation device for air, it is arranged at described potential vestige and manifests in the case.
In the preferred implementation, described circulation device for air is a circulating fan.
In the preferred implementation, comprise that also one goes out wind mechanism, it is arranged at described potential vestige and manifests in the case.
In the preferred implementation, described to go out wind mechanism be that active carbon goes out wind mechanism.
Compared with prior art, the beneficial effect that the present invention brought is:
1, the potential vestige multifunctional ultrasonic atomization fuming of the present invention shows instrument, has expanded multiple potential vestige chemistry and has shown
The scope of application of existing reagent, it is atomized into the even droplet of 0.5～3um and falls to potential vestige surface by manifesting reagent, has solved shortcomings such as traditional masking liquid pattern such as spraying, immersion, wiping etc. are inhomogeneous to diffusion, the pollution of sample, the masking liquid of fingerprint and writing, liquid waste, complex operation.
2, the potential vestige multifunctional ultrasonic atomization fuming of the present invention shows instrument, has higher extraction ratio sensitivity, and the noncontact Faxian does not now have destructiveness, is operable to the power height, does not lose minutia, and the vestige original that extraction manifests is big, feature is clear indeformable;
3, the potential vestige multifunctional ultrasonic atomization fuming of the present invention shows instrument, the scope of application is extensive, go for common difficult potential vestige, as potential vestige and micro-dust footprint, the water stain footprint on out-of-flatness surface, greasy dirt surface, floor wax surface with subtract layer dust footprint etc.;
4, the potential vestige multifunctional ultrasonic atomization fuming of the present invention shows instrument, with conventional method form complementary preferably, for dust traces, can be used as take pictures, Electrostatic Absorption and adhesive tape is sticking after getting secondary treatment method;
5, the potential vestige multifunctional ultrasonic atomization fuming of the present invention shows instrument, and is easy and simple to handle quick, because the mist amount is big, can be evenly distributed on potential vestige surface fast, react, promptly smoke and promptly see with vestige, control also can repeatedly be smoked and be shown easily, is easy to set up the normalizing operation method;
6, the potential vestige multifunctional ultrasonic atomization fuming of the present invention shows instrument, but use its potential vestige long preservation that manifests, the distributed areas indiffusion is when the contrast of vestige and background changes in time and weakens, can use reagent to increase contrast, not change the minutia of vestige;
7, the potential vestige multifunctional ultrasonic atomization fuming of the present invention shows instrument, smoked showing in hermetic container, environment and health is not produced pollution and toxic.
Description of drawings
Fig. 1 shows the structural representation of instrument for the potential vestige multifunctional ultrasonic atomization fuming of the present invention;
Fig. 2 shows instrument one embodiment sketch map for the potential vestige multifunctional ultrasonic atomization fuming of the present invention.
Description of reference numerals: 1-ultrasonic atomization mechanism; The potential vestige of 2-manifests case; 11-aqueous medium container; 12-chemical reagent oscillating membrane container; 13-supersonic oscillations sheet; The 14-air-supply arrangement that atomizes; The 21-circulating fan; 22 go out wind mechanism; The 3-conduit; The 4-oscillating membrane; The potential vestige of 5-.
The specific embodiment
Below in conjunction with accompanying drawing, be described in more detail with other technical characterictic and advantage the present invention is above-mentioned.
Consult Fig. 1, the structural representation that shows instrument for the potential vestige multifunctional ultrasonic atomization fuming of the present invention, it comprises that a ultrasonic atomization mechanism 1 and a potential vestige manifest case 2, and described ultrasonic atomization mechanism 1 manifests case 2 by conduit 3 with described potential vestige and is connected.
Described ultrasonic atomization mechanism 1 comprises an aqueous medium container 11, a chemical reagent oscillating membrane container 12, and water and supersonic oscillations sheet 13 are housed in the described aqueous medium container 11; Described chemical reagent oscillating membrane container 12 is placed with chemical reagent (1,2,3-indantrione monohydrate, DFO etc.), described chemical reagent oscillating membrane container 12 places on the described aqueous medium container 11, described chemical reagent oscillating membrane container 12 and the described aqueous medium container 11 middle oscillating membranes 4 of establishing, described supersonic oscillations sheet 13 places described aqueous medium container 11, be used to produce ultrasound wave acoustic energy, described supersonic oscillations sheet 13 can place the bottom of described aqueous medium container 11, when ultrasound wave acoustic energy takes place in described supersonic oscillations sheet 13, by the water in the described aqueous medium container 11 and oscillating membrane 4 for medium acts on the chemical reagent solution in the described chemical reagent oscillating membrane container 12, the tension force and the inertia of solution surface have been destroyed, and become trickle droplet, spread in the chemical reagent oscillating membrane container 12.
Owing to make water as medium in the aqueous medium container 11, transmit the ultrasound wave that supersonic oscillations sheet 13 produces by water, supersonic oscillations sheet 13 and chemical reagent can be separated again, do not pollute or damage oscillator plate.
Described ultrasonic atomization mechanism also comprises an atomizing air-supply arrangement 14, described atomizing air-supply arrangement 14 is connected with described chemical reagent oscillating membrane container 12, and described atomizing air-supply arrangement 14 is sent to potential vestige with the chemical reagent droplet of above-mentioned generation to be manifested in the case 2.
Described potential vestige manifests and is provided with a circulation device for air in the case 2, for example, described circulation device for air can be a circulating fan 21, described circulating fan 21 distributes droplet uniformly, because the droplet proportion that is generated is greater than air, sedimentation and combine with footprint and fingerprint material on the object surface and produce chemical reaction rapidly, thus show potential vestige clearly.
Described potential vestige manifests also can be established one and go out wind mechanism 22 in the case 2, describedly go out wind mechanism 22 and potential vestige can be manifested air scavenge in the case 2.Wherein saidly go out wind mechanism 22 and can be an active carbon and go out wind mechanism, described active carbon goes out the gas purifications that wind mechanism can manifest potential vestige in the case 2 and discharges.
Wherein, to manifest the conduit 3 that case 2 links to each other be one to be not easy by the corrosive conduit of chemical reagent for described ultrasonic atomization mechanism 1 and described potential vestige.
As shown in Figure 2, be one embodiment of the invention sketch map, generally speaking, the potential vestige 5 that is retained on the object mainly contains dust, bloodstain etc., these potential vestiges 5 are all fainter, optics and physical method all are difficult to extract minutia clearly, after finding potential vestige, the object that is loaded with potential vestige 5 is directly put into described potential vestige manifest case 2, perhaps use the sticking vestige of getting of cohesive material such as adhesive sticker to be placed on described potential vestige and to manifest in the case 2, and it is airtight that potential vestige is manifested case 2.
Then, corresponding chemical reagent is added in the chemical reagent oscillating membrane container 12, open the power supply of ultrasonic atomization mechanism 1, at this moment, supersonic oscillations sheet 13 sends ultrasound wave acoustic energy, manifest in the case 2 for medium is atomized into droplet with chemical reagent and is sent to potential vestige by water and oscillating membrane 4, the power supply of after droplet fills the air evenly, closing ultrasonic atomization mechanism 1 in potential vestige manifests case 2, stop smoked showing, because the droplet proportion that is generated is greater than air, rapidly sedimentation and and dust, combination takes place and produces chemical reaction in materials such as bloodstain, thereby shows potential vestige clearly.When chemical reaction is complete, opens out wind mechanism 22 potential vestige is manifested air scavenge in the case 2.Then potential vestige is manifested the sample of placing in the case 2 and take out, can finish the check of dust, bloodstain.
Above-mentioned process for potential vestiges such as check dust, bloodstain, also available this device of other potential vestiges is tested, and can obtain good test effect.
Potential vestige multifunctional ultrasonic atomization fuming of the present invention shows instrument and has following effect:
1, the potential vestige multifunctional ultrasonic atomization fuming of the present invention shows instrument; expanded the scope of application that multiple potential vestige chemistry manifests reagent; it is atomized into the even droplet of 0.5～3um and falls to potential vestige surface by manifesting reagent, has solved shortcomings such as traditional masking liquid pattern such as spraying, immersion, wiping etc. are inhomogeneous to diffusion, the pollution of sample, the masking liquid of fingerprint and writing, liquid waste, complex operation.
2, the potential vestige multifunctional ultrasonic atomization fuming of the present invention shows instrument, has higher extraction ratio and sensitivity, and the noncontact Faxian does not now have destructiveness, is operable to the power height, does not lose minutia, and the vestige original that extraction manifests is big, feature is clear indeformable;
3, the potential vestige multifunctional ultrasonic atomization fuming of the present invention shows instrument, the scope of application is extensive, go for common difficult potential vestige, as potential vestige and micro-dust footprint, the water stain footprint on out-of-flatness surface, greasy dirt surface, floor wax surface with subtract layer dust footprint etc.;
4, the potential vestige multifunctional ultrasonic atomization fuming of the present invention shows instrument, with conventional method form complementary preferably, for dust traces, can be used as take pictures, Electrostatic Absorption and adhesive tape is sticking after getting secondary treatment method;
5, the potential vestige multifunctional ultrasonic atomization fuming of the present invention shows instrument, and is easy and simple to handle quick, because the mist amount is big, can be evenly distributed on potential vestige surface fast, react, promptly smoke and promptly see with vestige, control also can repeatedly be smoked and be shown easily, is easy to set up the normalizing operation method;
6, the potential vestige multifunctional ultrasonic atomization fuming of the present invention shows instrument, but the potential vestige long preservation that shows, the distributed areas indiffusion is when the contrast of vestige and background changes in time and weakens, can use reagent to increase contrast, not change the minutia of vestige;
7, the potential vestige multifunctional ultrasonic atomization fuming of the present invention shows instrument, smoked showing in hermetic container, environment and health is not produced pollution and toxic.
More than explanation is just illustrative for the purpose of the present invention, and nonrestrictive, those of ordinary skills understand; under the situation of the spirit and scope that do not break away from following claims and limited, can make many modifications, change; or equivalence, but all will fall within the scope of protection of the present invention.
Claims (5)
1. a potential vestige multifunctional ultrasonic atomization fuming shows instrument, it is characterized in that it comprises that a ultrasonic atomization mechanism and potential vestige manifest case, and described ultrasonic atomization mechanism manifests case with described potential vestige and is connected by a conduit; Wherein,
Described ultrasonic atomization mechanism comprises:
One aqueous medium container is provided with a water and a supersonic oscillations sheet in it;
One chemical reagent oscillating membrane container, it is arranged on the described aqueous medium container;
One oscillating membrane, it is arranged between described aqueous medium container and described chemical reagent oscillating membrane container;
One atomizing air-supply arrangement, it links to each other with described chemical reagent oscillating membrane container;
Described supersonic oscillations sheet is used for, produce ultrasound wave acoustic energy, described ultrasound wave acoustic energy is medium by water in the described aqueous medium container and described oscillating membrane, act on the chemical reagent in the described chemical reagent oscillating membrane container, make described chemical reagent atomizing be even droplet, described even droplet enters described potential vestige and manifests case, and falls to described potential vestige and manifest potential vestige surface in the case.
2. potential vestige multifunctional ultrasonic atomization fuming according to claim 1 shows instrument, it is characterized in that, also comprises a circulation device for air, and it is arranged at described potential vestige and manifests in the case.
3. potential vestige multifunctional ultrasonic atomization fuming according to claim 2 shows instrument, it is characterized in that described circulation device for air is a circulating fan.
4. potential vestige multifunctional ultrasonic atomization fuming according to claim 1 shows instrument, it is characterized in that, comprises that also one goes out wind mechanism, and it is arranged at described potential vestige and manifests in the case.
5. potential vestige multifunctional ultrasonic atomization fuming according to claim 4 shows instrument, it is characterized in that, described to go out wind mechanism be that active carbon goes out wind mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2009100913108A CN101627912B (en) | 2009-08-17 | 2009-08-17 | Multifunctional ultrasonic atomization fuming instrument for potential trace |
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| CN2009100913108A CN101627912B (en) | 2009-08-17 | 2009-08-17 | Multifunctional ultrasonic atomization fuming instrument for potential trace |
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| CN101627912A CN101627912A (en) | 2010-01-20 |
| CN101627912B true CN101627912B (en) | 2011-07-27 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106353510B (en) * | 2016-10-28 | 2018-03-30 | 黄世斌 | The quick process for show of human contact's vestige and human contact's vestige quickly show instrument |
| CN116400068B (en) * | 2023-02-13 | 2023-09-22 | 泉州圣源警用侦察设备有限公司 | Reagent for revealing potential biological trace containing DNA and revealing method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2078199U (en) * | 1990-06-15 | 1991-06-05 | 蒋隽 | Multipurpose protable ultrasonic atomizer |
| US6660054B2 (en) * | 2000-09-11 | 2003-12-09 | Misonix, Incorporated | Fingerprint processing chamber with airborne contaminant containment and adsorption |
| CN101004388A (en) * | 2007-01-23 | 2007-07-25 | 吉林大学 | Method for showing latent fingerprint, and develop system |
| CN101660158A (en) * | 2008-08-27 | 2010-03-03 | 鸿富锦精密工业（深圳）有限公司 | Film preparation device |
-
2009
- 2009-08-17 CN CN2009100913108A patent/CN101627912B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2078199U (en) * | 1990-06-15 | 1991-06-05 | 蒋隽 | Multipurpose protable ultrasonic atomizer |
| US6660054B2 (en) * | 2000-09-11 | 2003-12-09 | Misonix, Incorporated | Fingerprint processing chamber with airborne contaminant containment and adsorption |
| CN101004388A (en) * | 2007-01-23 | 2007-07-25 | 吉林大学 | Method for showing latent fingerprint, and develop system |
| CN101660158A (en) * | 2008-08-27 | 2010-03-03 | 鸿富锦精密工业（深圳）有限公司 | Film preparation device |
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| CN101627912A (en) | 2010-01-20 |
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Granted publication date: 20110727 Termination date: 20120817 |