CN211270771U

CN211270771U - Portable difficult fingerprint fuming device

Info

Publication number: CN211270771U
Application number: CN201922300881.XU
Authority: CN
Inventors: 张奎宗; 李永杰
Original assignee: Anhui Xiankan Information Technology Co ltd
Current assignee: Anhui Xiankan Information Technology Co ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-08-18
Anticipated expiration: 2029-12-20

Abstract

The utility model discloses a portable difficult fingerprint smoked device that shows, including: the water storage tank is arranged in the shell, and the heating block is arranged in the shell and below the water storage tank and is connected with the bottom of the water storage tank; the fan is arranged in the shell and positioned on one side of the upper end part of the water storage tank, and the fan is communicated with the water storage tank through an air duct; the air outlet is communicated with the water storage tank; the utility model has simple structure, small volume, portability and convenient carrying; the utility model discloses the accessible sets up the heating temperature of multiple difference, has realized the smoked effect that shows of different types to the regulation of multiple amount of wind has been realized, and the preliminary suspicious material evidence of acquireing at the scene is smoked to show and is shot and draw, has solved the loaded down with trivial details problem of current evidence collection.

Description

Portable difficult fingerprint fuming device

Technical Field

The utility model relates to a criminal investigation equipment field, specifically speaking especially relates to a device is smoked to show to portable difficult fingerprint.

Background

The fingerprint has the characteristics of object contact trace, different persons and basically unchanged throughout the life, so that the trace evidence left in the crime scene is a trace with higher occurrence rate, the detection range can be narrowed, the detection direction can be provided, the suspect can be directly identified through the detection and identification of the fingerprint by technical personnel, and the fingerprint is called as the first evidence in criminal litigation. The discovery and extraction of fingerprints has historically been the subject of intense research by criminal technicians.

Therefore, in criminal case site investigation, suspicious objects in case sites are suspected to have fingerprints and need to be separated and brought back to a laboratory for assay detection and analysis, but target objects are carried to the laboratory blindly from the case sites, which is time-consuming and labor-consuming, low in efficiency, large in number of misjudgments, and the possibility of pollution, loss and damage exists in the transportation process, so that the investigation difficulty is increased, and criminals need to display and process the fingerprints in time on the site; however, devices such as a fumigation cabinet and the like are obviously inconvenient to carry, so that some portable fumigation equipment is provided at present, but the device is only suitable for a small fumigation device adopting a 502 glue fumigation method in an indoor or closed space, but the device needs to be fixed when the device is used, the using environment is ensured to be closed to a certain degree, inconvenience is brought to rapid criminal investigation, and investigation efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable difficult fingerprint is smoked and is shown device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model discloses a following technical means realizes:

portable refractory fingerprint fuming device comprises:

the shell is of a tetrahedral structure;

the water storage tank is arranged in the shell, and a water injection port of the water storage tank penetrates through a sealing cover on the upper surface of the shell and is sleeved with a spiral cover;

the heating block is arranged in the shell, is positioned below the water storage tank and is connected with the bottom of the water storage tank;

the fan is arranged in the shell and positioned on one side of the upper end part of the water storage tank, and the fan is communicated with the water storage tank through an air duct;

the gas outlet is arranged on one side surface outside the shell and communicated with the water storage tank.

Furthermore, a water level display board is arranged on one side face of the shell, so that water level scales in the water storage tank can be observed conveniently, a proper amount of water can be poured into the water storage tank conveniently, and the device can be used for multi-angle investigation conveniently.

When the utility model is applied specifically, the water quantity injected by the water injection port is determined according to the range of the water level display panel, the heating block is arranged below the water storage tank and used for heating the temperature of water in the water tank, after the power switch on the device is opened, the heating block can control the driving circuit by the temperature adjusting button according to the required temperature, so that the heating block is heated to a certain temperature, when the temperature reaches the preset temperature, the heat preservation indicator lamp is lightened, the water storage tank is connected with the fan, the fan controls the driving circuit by the air quantity adjusting button according to the required air quantity, so that the fan reaches a certain rotating speed and forms the required air quantity, when the temperature in the water tank reaches the required temperature after the power switch of the device is opened, the heat preservation indicator lamp is lightened, the required air quantity gear is selected, the handle is held to open the air quantity switch, so that the hot gas in the water storage tank is sprayed out from the gas, the water filling port is positioned on an operation panel of a sealing cover at the top of the device, a heat preservation indicator lamp, a temperature adjusting button, a power switch, an air volume adjusting button, an electric quantity display and a charging port are also arranged on the operation panel, a battery is arranged in the device, the device is provided with a special reagent tube, the air outlet is provided with a connecting interface connected with the reagent tube, the connecting interface can be a tube orifice of the air outlet, so that the reagent tube can be inserted into the air outlet, the connecting tube orifice can be a connecting orifice which is connected with one end part of the air outlet and is in a ring shape, the tube orifice of the reagent tube can be inserted into the connecting orifice, so that the reagent tube can be inserted into the air outlet, when the fingerprint trace is searched by using the equipment, the matched reagent tube is required to be opened for fuming to achieve the optimal effect, and the reagent tube is required to be inserted from the outlet of the air outlet after being opened, the reagent is sublimated immediately when meeting hot steam, and then the air outlet of the fan is opened to be aligned with the suspicious fingerprint to be smoked and displayed, so that clear fingerprint traces can be displayed.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model has simple structure, small volume, portability and convenient carrying; the utility model discloses the accessible sets up the heating temperature of multiple difference, has realized the smoked effect that shows of different types to the regulation of multiple amount of wind has been realized, and the preliminary suspicious material evidence of acquireing at the scene is smoked to show and is shot and draw, has solved the loaded down with trivial details problem of current evidence collection.

Description of the drawings:

FIG. 1 is a schematic view of the product structure of the present invention;

FIG. 2 is a schematic view of the product structure of the present invention;

FIG. 3 is a schematic view of a part of the structure of the product of the present invention;

FIG. 4 is a schematic view of a part of the structure of the product of the present invention;

fig. 5 is a schematic view of a part of the structure of the product of the present invention.

The specific implementation mode is as follows:

in order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described with reference to the following embodiments:

detailed description of the preferred embodiment 1

Do the utility model discloses a one of them embodiment: see fig. 1, 2, 3.

Portable refractory fingerprint fuming device comprises: a housing 12 of tetrahedral configuration;

the water storage tank 13 is arranged inside the shell 12, and a water filling port 1 of the water storage tank 13 penetrates through a sealing cover on the upper surface of the shell 12 and is sleeved with a screw cap; the heating block 14 is arranged in the shell 12, is positioned below the water storage tank 13 and is connected with the bottom of the water storage tank 13; the fan 11 is arranged in the shell 12 and positioned on one side of the upper end part of the water storage tank 13, and the fan 11 is communicated with the water storage tank 13 through an air duct 15; the air outlet is arranged on one side surface outside the shell and is communicated with the water storage tank; wherein a handle is arranged on one side surface of the outer part of the shell, so that the device is convenient to take; the air outlet 7 is connected with the other side of the upper end part of the water storage tank 13, and the central line of the air outlet 7 and the central line of the fan 11 are in the same plane; a water level display plate 10 is arranged on one side surface of the shell 12, so that water level scales in the water storage tank 13 can be observed conveniently, a proper amount of water can be poured into the water storage tank 13 conveniently, a device can be used for multi-angle investigation conveniently, and an air inlet 121 is formed in one side surface of the shell 12.

In this embodiment, the utility model discloses in practical application, the water yield that water filling port 1 pours into is according to water level display panel 10 scope decision, storage water tank 13's below is provided with heating block 14 and is used for heating the temperature of water tank water, heating block 14 makes heating block 14 heat to certain temperature by temperature adjusting button 8 control drive circuit according to required temperature after switch 3 opens, heat preservation pilot lamp 2 lights when the temperature reaches the preset temperature, storage water tank 13's rear lateral wall is provided with fan 11, fan 11 is according to required amount of wind, make the fan reach certain rotational speed and form required amount of wind by amount of wind adjusting button 9 control drive circuit, when equipment switch 1 opens, when the temperature reaches required temperature in the storage water tank, heat preservation pilot lamp 2 lights, select required amount of wind gear, and hold handle 6 and open the amount of wind switch, make the interior steam of storage water tank spout from gas outlet 7, spun steam keeps the certain distance with the object and can searches for the fingerprint vestige that the touch left, water filling port 1 is located equipment and controls on the panel, control on the panel heat preservation pilot lamp 2 in addition, temperature regulation button 8, switch 3, air regulation button 9, electric quantity display 4 and mouth 5 that charges, the equipment embeds the battery, this equipment is furnished with dedicated reagent pipe, want to reach the best effect after using equipment to search for the fingerprint vestige and open and use supporting reagent pipe and smoke and show, reagent pipe opens the exit that the back need follow the gas outlet and inserts into and can this reagent meet the heat steam sublimation at once, then open the fan gas outlet and aim at suspicious fingerprint department and smoke and show the fingerprint vestige that can show clearly.

Detailed description of the invention

For a specific implementation manner of the present invention, referring to fig. 4 and 5, a portable problematic hand print fumigating device comprises: the shell 12 is of a handle and tetrahedron integrated injection molding structure; the water storage tank 13 is arranged inside the shell 12, and a water filling port 1 of the water storage tank 13 penetrates through a sealing cover on the upper surface of the shell 12 and is sleeved with a screw cap; the heating block 14 is arranged in the shell 12, is positioned below the water storage tank 13 and is connected with the bottom of the water storage tank 13; the fan 11 is arranged in the shell 12 and positioned on one side of the upper end part of the water storage tank 13, and the fan 11 is communicated with the water storage tank 13 through an air duct 15; the gas outlet, the gas outlet is installed on a side outside the housing, the gas outlet and the water storage tank are communicated, the utility model discloses a preferred structure of a specific implementation of the water storage tank 13 does not hinder the protection of the utility model discloses a connection relation overall structure between the water storage tank 13, the fan 11, the gas outlet 7, the top of the water storage tank 13 is the box body connected with the semi-cylinder 131, one side that the upper surface of the water storage tank 13 is located the semi-cylinder 131 is equipped with two sets of Z-shaped connecting pipes 132, two Z-shaped connecting pipes 132 are communicated with the inside of the water storage tank, one Z-shaped connecting pipe 132 is connected with the air outlet 7 through the pipeline 133 that passes through the semi-cylinder 131; the top of halfcylinder 131 is located to the water filling port 1 of storage water tank 13, halfcylinder closing cap 134 is installed at the top of storage water tank 13, halfcylinder closing cap 134 is including halfcylinder side 135 and semicircle top surface 136, semicircle top surface 136 is located the coplanar with the upper surface of halfcylinder 131.

The first embodiment and the second embodiment of the present invention all fall into the protection scope of the present invention, and for the specific lower implementation scope of the characteristic portion of the present invention, the first embodiment and the second embodiment of the present invention only protect the contents, and the protection scope of the present invention is not limited to the first embodiment and the second embodiment of the present invention, and the first embodiment and the second embodiment of the present invention should not be construed as the limitation of the protection scope of the present invention.

In addition, the utility model discloses do not disclose relevant part in description and the attached drawing, it does not hinder the technical staff in this field to right the utility model discloses an understanding, if locate the panel of controlling on the closing cap, control each control button on the panel, concrete circuit in the product device, the utility model discloses other conventional parts of the utility model are not disclosed, do not hinder the technical staff in this field to the understanding of the utility model.

The product structure connection relation falling into the protection range of the utility model falls into the protection content of the utility model; under the premise of not deviating from the protection essence of the utility model, the structure of the product component is improved by the conventional technology, for example, the improvement of the structure of the product component is made in the embodiment of the utility model, and the improvement also falls into the protection essence of the utility model.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the scope of the invention. Accordingly, the foregoing description is illustrative in nature and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.

Unless defined otherwise, all academic and scientific terms used herein have the same meaning as is understood by one of ordinary skill in the art to which this invention belongs.

In case of conflict, the present specification, including definitions, will control.

All percentages, parts, ratios, etc., are by weight unless otherwise indicated.

When a value or range of values, preferred range or list of lower preferable values and upper preferable values is given, it should be understood that it specifically discloses any range formed by any pair of values of any lower range limit or preferred value and any upper range limit or preferred value, regardless of whether ranges are separately disclosed. Where a range of numerical values is described herein, unless otherwise stated, the range is intended to include the endpoints of the range and all integers and fractions within the range.

When the term "about" or "approximately" is used to describe a numerical value or an end of a range, the disclosure should be interpreted to include the specific numerical value or end points referred to.

The use of "a" and "an" are merely for convenience and to provide a general context for describing the elements and components of the invention. Unless expressly stated otherwise, this description should be read to include one or at least one.

Claims

1. Portable refractory fingerprint fuming device is characterized in that: comprises the following steps:

a housing;

2. The portable problematic fingerprint fuming device of claim 1, wherein: a water level display plate is arranged on one side surface of the shell.

3. The portable problematic fingerprint fuming device of claim 1, wherein: the gas outlet is provided with a connecting interface connected with the reagent tube.