CN105852877A - Fumigating displaying device for criminal investigation detection - Google Patents
Fumigating displaying device for criminal investigation detection Download PDFInfo
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- CN105852877A CN105852877A CN201610212085.9A CN201610212085A CN105852877A CN 105852877 A CN105852877 A CN 105852877A CN 201610212085 A CN201610212085 A CN 201610212085A CN 105852877 A CN105852877 A CN 105852877A
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- fluid cartridge
- criminal investigation
- heat
- conducting plate
- investigation detection
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/117—Identification of persons
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- Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
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- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
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- General Health & Medical Sciences (AREA)
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- Burglar Alarm Systems (AREA)
Abstract
The invention provides a fumigating displaying device for criminal investigation detection. The fumigating displaying device comprises a shell, a liquid box, an air feeding pipe, an air discharging pipe, a vaporization part, a draught fan and a power source, wherein the liquid box is arranged in the shell; the input end of the air feeding pipe penetrates through the shell and is communicated with the outside, and the output end of the air feeding pipe is communicated with the liquid box; the input end of the air discharging pipe is communicated with the liquid box, and the output end of the air discharging pipe penetrates through the shell and is communicated with the outside; the vaporization part is connected with the liquid box and used for vaporizing water contained in the liquid box to water vapor; the draught fan is arranged in the air feeding pipe and/or the air discharging pipe; the power source is respectively connected with the vaporization part and the draught fan. According to the fumigating device for criminal investigation detection of the embodiment, operation and carrying are easy, and steam can be generated and sprayed for a long time.
Description
Technical field
The present invention relates to a kind of smoked aobvious device for criminal investigation detection, for finding the material evidences such as the fingerprint of suspect, scurf, body fluid in spot.
Background technology
In public security criminal investigation works, need to find the biological material material evidences such as the fingerprint of suspect, scurf, body fluid in spot.
Owing to the usual volume of these samples is the least, and water white transparency, rely on naked eyes to be difficult to find.Conventional discovery methods has one " method of breathing out ", criminal detective is i.e. allowed to breathe out at spot mouth, containing a small amount of water vapour in breathing out, due to these material evidences and background object such as desk etc., different to the absorbability of steam, therefore the distribution of steam can be significantly different, so that criminal detective is it can be found that these material evidences.But breathing out of criminal detective is limited, and also cannot breathe out for a long time, so criminal detective can only the most so work.When collecting evidence the most at the scene, criminal detective reaches identical purpose also by the steam inside hot water bottle, but because not having the driving of blower fan, steam upwards can only greatly limit range.
In recent years, the development of DNA detection technology, " method of breathing out " is explicitly stopped use.This is because containing saliva in the breathing out of criminal detective, have the DNA composition of criminal detective inside saliva, its deal is far longer than DNA component contained by biological material material evidence, and this can cause the DNA detection to the biological material material evidence collected to lose efficacy.
Both criminal detective can have been helped to find that suspect is retained in the biological material material evidences such as the fingerprint of spot, scurf, body fluid accordingly, it would be desirable to a kind of, the auxiliary device of the DNA of these material evidences can not have been polluted again.
Summary of the invention
It is contemplated that one of technical problem solved the most to a certain extent in correlation technique.
To this end, it is an object of the present invention to propose a kind of simple to operate, be easy to carry about with one, steam the smoked aobvious device for criminal investigation detection sprayed can be produced for a long time.
The smoked aobvious device for criminal investigation detection according to embodiments of the present invention, including: housing；Fluid cartridge, described fluid cartridge is located in described housing；Air inlet pipe, the input of described air inlet pipe is through described housing and is in communication with the outside, and the outfan of described air inlet pipe connects with described fluid cartridge；Exhaustor, the input of described exhaustor connects with described fluid cartridge, and the outfan of described exhaustor is through described housing and is in communication with the outside；Vaporization member, described vaporization member is connected with described fluid cartridge, water is vaporized into water vapour by be contained in described fluid cartridge；Blower fan, described blower fan is located in described air inlet pipe and/or exhaustor；Power supply, described power supply is connected with described vaporization member and described blower fan respectively.
The smoked aobvious device for criminal investigation detection according to embodiments of the present invention, power supply provides power for vaporization member and blower fan, vaporization member is made to will be stored in water is vaporized into water vapour in fluid cartridge, blower fan by outside air in air inlet pipe suction fluid cartridge, these air carry water vapour and discharge from exhaustor, it is available for criminal detective for finding the biological material material evidences such as the fingerprint of suspect, scurf, body fluid in spot, it is to avoid criminal detective uses " method of breathing out "；Find compared with biological material material evidence with the steam using hot water bottle, eliminate use and limit, substantially increase range, simple to operate, be easy to carry about with one, steam can be produced for a long time and spray steam.
It addition, the smoked aobvious device for criminal investigation detection according to the above embodiment of the present invention can also have a following additional technical characteristic:
An example according to the present invention, described vaporization member includes that electric heater, described electric heater are connected with described fluid cartridge.
An example according to the present invention, described electric heater is located in described fluid cartridge.
An example according to the present invention, described vaporization member also includes that heat-conducting plate, described heat-conducting plate are located on the outer wall of described fluid cartridge, and described electric heater is connected with described heat-conducting plate.
An example according to the present invention, described heat-conducting plate is aluminum heat-conducting plate, aluminium alloy heat-conducting plate, copper heat-conducting plate, ferrum heat-conducting plate or graphite heat conduction plate.
An example according to the present invention, described electric heater is strip heater, thermistor heater or metal ceramic heating body heater.
An example according to the present invention, described vaporization member is ultrasound atomizer, and described ultrasound atomizer is located in described fluid cartridge.
An example according to the present invention, described housing is provided with Handheld Division.
An example according to the present invention, the input of described air inlet pipe is provided with the first drainage screen, and the outfan of described air vent is provided with the second drainage screen.
An example according to the present invention, described power supply is aneroid battery or rechargeable battery.
The additional aspect of the present invention and advantage will part be given in the following description, and part will become apparent from the description below, or is recognized by the practice of the present invention.
Accompanying drawing explanation
Fig. 1 is according to an embodiment of the invention for the smoked schematic diagram showing device of criminal investigation detection；
Fig. 2 is according to another embodiment of the present invention for the smoked schematic diagram showing device of criminal investigation detection.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, and the most same or similar label represents same or similar element or has the element of same or like function.The embodiment described below with reference to accompanying drawing is exemplary, it is intended to is used for explaining the present invention, and is not considered as limiting the invention.
Below with reference to the accompanying drawings the smoked aobvious device for criminal investigation detection according to embodiments of the present invention is described in detail.
As depicted in figs. 1 and 2, the smoked aobvious device for criminal investigation detection according to embodiments of the present invention, including: housing 100, fluid cartridge 200, air inlet pipe 300, exhaustor 400, vaporization member, blower fan 600, power supply (not shown).
Specifically, housing 100 is provided with Handheld Division 110, in order to criminal detective grips.
Fluid cartridge 200 is located in housing 100.
The input (upper end of air inlet pipe 300 i.e. as shown in Figure 1) of air inlet pipe 300 through housing 100 and is in communication with the outside, and the outfan (lower end of air inlet pipe 300 i.e. as shown in Figure 1) of air inlet pipe 300 connects with fluid cartridge 200.
The input (lower end of exhaustor 400 i.e. as shown in Figure 1) of exhaustor 400 connects with fluid cartridge 200, and the outfan (right-hand member of exhaustor 400 i.e. as shown in Figure 1) of exhaustor 400 through housing 100 and is in communication with the outside.
Described vaporization member is connected with fluid cartridge 200, water is vaporized into water vapour by be contained in fluid cartridge 200.
Blower fan 600 is located in air inlet pipe 300.Certainly, blower fan 600 can also be located in exhaustor 400, or, it is equipped with blower fan in air inlet pipe 300 and exhaustor 400.Blower fan 600 is for making the air in the external world be entered in fluid cartridge 200 by air inlet pipe 300, and is discharged to the external world by exhaustor 400 after making air carry water vapour.
Described power supply is connected with described vaporization member and blower fan 600 respectively, and described power supply is respectively described vaporization member and blower fan 600 provides power.Described power supply can be aneroid battery or rechargeable battery, the smoked aobvious device for criminal investigation detection according to embodiments of the present invention thus can be made to be easy to carry, expand range.
[L1]
The smoked aobvious device for criminal investigation detection according to embodiments of the present invention, power supply provides power for vaporization member and blower fan, vaporization member is made to will be stored in water is vaporized into water vapour in fluid cartridge, blower fan by outside air in air inlet pipe suction fluid cartridge, these air carry water vapour and discharge from exhaustor, it is available for criminal detective for finding the biological material material evidences such as the fingerprint of suspect, scurf, body fluid in spot, it is to avoid criminal detective uses " method of breathing out "；Find compared with biological material material evidence with the steam using hot water bottle, eliminate use and limit, substantially increase range, simple to operate, be easy to carry about with one, steam can be produced for a long time and spray steam.
An example according to the present invention, described vaporization member includes that electric heater 510, electric heater 510 are connected with fluid cartridge 200.
As it is shown in figure 1, electric heater 510 is located in fluid cartridge 200.That is, the water being contained in fluid cartridge 200 is directly heated to produce water vapour by electric heater 510.
As in figure 2 it is shown, described vaporization member also includes that heat-conducting plate 520, heat-conducting plate 520 are located on the outer wall of fluid cartridge 200, electric heater 510 is connected with heat-conducting plate 520.That is, the heat that electric heater 510 produces, is transferred to fluid cartridge 200 via heat-conducting plate 520, indirectly to heat to produce water vapour to the water being contained in fluid cartridge 200.
Advantageously, electric heater 510 can be strip heater, thermistor heater or metal ceramic heating body heater.Heat-conducting plate 520 can be aluminum heat-conducting plate, aluminium alloy heat-conducting plate or graphite heat conduction plate.
A concrete example according to the present invention, described vaporization member can also be ultrasound atomizer (not shown).Described ultrasound atomizer is located in fluid cartridge 200, with the ultramicron being atomized into by aqueous water, forms water vapour.
Some examples according to the present invention, the input of air inlet pipe 300 is provided with the first drainage screen (not shown), the outfan of air vent 400 is provided with the second drainage screen (not shown), thus can be with impurity screening, thus avoid in gatherer process the pollution to biological material material evidences such as fingerprint, scurf, body fluid, improve evidence obtaining precision.
Following is a brief introduction of the smoked aobvious device for criminal investigation detection according to embodiments of the present invention.
Distilled water is poured in fluid cartridge；
Electric heater 510 or ultrasound atomizer connect aneroid battery, rechargeable battery or municipal administration power supply；
Electric heater 510 directly heats the distilled water in fluid cartridge；Or electric heater 510 heats the distilled water in fluid cartridge indirectly by heat-conducting plate 520；Or the distilled water in fluid cartridge is atomized by ultrasound atomizer, thus produces steam；
Blower fan admits air into fluid cartridge, and makes air discharge fluid cartridge after carrying water vapour.
Due under the effect of blower fan, water vapour is made to have certain initial velocity, criminal detective is by the most mobile smoked aobvious device, the place that water vapour is comprehensive in spot, full angle injection desk, tea table, door and window etc. may retain the biological material material evidences such as fingerprint, scurf, body fluid can be made, eliminate the use in correlation technique to limit, substantially increase range, it is to avoid pollution to relevant material evidence, greatly improve evidence obtaining efficiency and evidence obtaining precision.
The smoked aobvious device for criminal investigation detection according to embodiments of the present invention, simple to operate, volume is little, lightweight, be easy to carry about with one, it is possible to produce and spray steam for a long time, and do not destroy the DNA of material evidence.Disclosure satisfy that the requirement that detecting site works.
In describing the invention, it will be appreciated that, term " " center ", " longitudinally ", " laterally ", " length ", " width ", " thickness ", on " ", D score, " front ", " afterwards ", " left ", " right ", " vertically ", " level ", " push up ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axially ", " radially ", orientation or the position relationship of the instruction such as " circumferential " are based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or implicitly include one or more this feature.In describing the invention, " multiple " are meant that two or more, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " is installed ", " being connected ", " connection ", the term such as " fixing " should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or integral；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be connection or the interaction relationship of two elements of two element internals.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or be merely representative of fisrt feature level height higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height less than second feature.
In the description of this specification, the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means that the specific features, structure, material or the feature that combine this embodiment or example description are contained at least one embodiment or the example of the present invention.In this manual, the schematic representation of above-mentioned term is necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or feature can be to combine in one or more embodiments in office or example in an appropriate manner.Additionally, in the case of the most conflicting, the feature of the different embodiments described in this specification or example and different embodiment or example can be combined and combine by those skilled in the art.
Although above it has been shown and described that embodiments of the invention, it is understandable that, above-described embodiment is exemplary, it is impossible to be interpreted as limitation of the present invention, and above-described embodiment can be changed, revises, replace and modification by those of ordinary skill in the art within the scope of the invention.
Claims (10)
1. the smoked aobvious device for criminal investigation detection, it is characterised in that including:
Housing；
Fluid cartridge, described fluid cartridge is located in described housing；
Air inlet pipe, the input of described air inlet pipe is through described housing and is in communication with the outside, and the outfan of described air inlet pipe connects with described fluid cartridge；
Exhaustor, the input of described exhaustor connects with described fluid cartridge, and the outfan of described exhaustor is through described housing and is in communication with the outside；
Vaporization member, described vaporization member is connected with described fluid cartridge, water is vaporized into water vapour by be contained in described fluid cartridge；
Blower fan, described blower fan is located in described air inlet pipe and/or described exhaustor；
Power supply, described power supply is connected with described vaporization member and described blower fan respectively.
Smoked aobvious device for criminal investigation detection the most according to claim 1, it is characterised in that described vaporization member includes that electric heater, described electric heater are connected with described fluid cartridge.
Smoked aobvious device for criminal investigation detection the most according to claim 2, it is characterised in that described electric heater is located in described fluid cartridge.
Smoked aobvious device for criminal investigation detection the most according to claim 2, it is characterised in that described vaporization member also includes that heat-conducting plate, described heat-conducting plate are located on the outer wall of described fluid cartridge, and described electric heater is connected with described heat-conducting plate.
Smoked aobvious device for criminal investigation detection the most according to claim 4, it is characterised in that described heat-conducting plate is aluminum heat-conducting plate, aluminium alloy heat-conducting plate, copper heat-conducting plate, ferrum heat-conducting plate or graphite heat conduction plate.
Smoked aobvious device for criminal investigation detection the most according to claim 2, it is characterised in that described electric heater is strip heater, thermistor heater or metal ceramic heating body heater.
Smoked aobvious device for criminal investigation detection the most according to claim 1, it is characterised in that described vaporization member is ultrasound atomizer, and described ultrasound atomizer is located in described fluid cartridge.
Smoked aobvious device for criminal investigation detection the most according to claim 1, it is characterised in that described housing is provided with Handheld Division.
Smoked aobvious device for criminal investigation detection the most according to claim 1, it is characterised in that the input of described air inlet pipe is provided with the first drainage screen, and the outfan of described air vent is provided with the second drainage screen.
Smoked aobvious device for criminal investigation detection the most according to claim 1, it is characterised in that described power supply is aneroid battery or rechargeable battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610212085.9A CN105852877A (en) | 2016-04-07 | 2016-04-07 | Fumigating displaying device for criminal investigation detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610212085.9A CN105852877A (en) | 2016-04-07 | 2016-04-07 | Fumigating displaying device for criminal investigation detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105852877A true CN105852877A (en) | 2016-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610212085.9A Pending CN105852877A (en) | 2016-04-07 | 2016-04-07 | Fumigating displaying device for criminal investigation detection |
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| Country | Link |
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| CN (1) | CN105852877A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106175783A (en) * | 2016-09-26 | 2016-12-07 | 张明辉 | Multi-functional fingerprint displaying cabinet |
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| CN201422880Y (en) * | 2009-05-08 | 2010-03-17 | 耿东 | Multifunction vapor investigation instrument |
| CN202235380U (en) * | 2011-10-10 | 2012-05-30 | 中国人民公安大学 | Full-automatic fingerprint smoking display instrument in automobile |
| CN203591263U (en) * | 2013-10-22 | 2014-05-14 | 上海市刑事科学技术研究院 | Intelligent large-capacity vacuum potential trace revealing equipment for criminal investigation |
| CN203815462U (en) * | 2014-02-21 | 2014-09-10 | 中国人民公安大学 | Fingerprint appearing auxiliary device |
| CN104127189A (en) * | 2014-08-26 | 2014-11-05 | 叶裕川 | Dust-free fingerprint gun |
| CN104545938A (en) * | 2015-01-14 | 2015-04-29 | 中国人民公安大学 | Quick field appearing and improving method for traces left on iron tool and galvanized tool |
-
2016
- 2016-04-07 CN CN201610212085.9A patent/CN105852877A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201422880Y (en) * | 2009-05-08 | 2010-03-17 | 耿东 | Multifunction vapor investigation instrument |
| CN202235380U (en) * | 2011-10-10 | 2012-05-30 | 中国人民公安大学 | Full-automatic fingerprint smoking display instrument in automobile |
| CN203591263U (en) * | 2013-10-22 | 2014-05-14 | 上海市刑事科学技术研究院 | Intelligent large-capacity vacuum potential trace revealing equipment for criminal investigation |
| CN203815462U (en) * | 2014-02-21 | 2014-09-10 | 中国人民公安大学 | Fingerprint appearing auxiliary device |
| CN104127189A (en) * | 2014-08-26 | 2014-11-05 | 叶裕川 | Dust-free fingerprint gun |
| CN104545938A (en) * | 2015-01-14 | 2015-04-29 | 中国人民公安大学 | Quick field appearing and improving method for traces left on iron tool and galvanized tool |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106175783A (en) * | 2016-09-26 | 2016-12-07 | 张明辉 | Multi-functional fingerprint displaying cabinet |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160817 |
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| RJ01 | Rejection of invention patent application after publication |