CN206863442U - A kind of Fire Trace material evidence camera arrangement - Google Patents
A kind of Fire Trace material evidence camera arrangement Download PDFInfo
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- CN206863442U CN206863442U CN201720519937.9U CN201720519937U CN206863442U CN 206863442 U CN206863442 U CN 206863442U CN 201720519937 U CN201720519937 U CN 201720519937U CN 206863442 U CN206863442 U CN 206863442U
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- material evidence
- light source
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- fire trace
- trace material
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Abstract
A kind of Fire Trace material evidence camera arrangement, including：Camera support, for supporting camera；Sample stage, for supporting the Fire Trace material evidence, at least part region of the sample stage has translucency, to enable some visible light to reach the Fire Trace material evidence by least part region from the sample stage bottom；Secondary light source, the secondary light source are arranged on the opening position with the Fire Trace material evidence general horizontal, and the secondary light source has the first brightness regulation portion, and at least part visible ray caused by the secondary light source is shone directly on the Fire Trace material evidence；Dimmer board, the dimmer board have the second brightness regulation portion and/or first position adjustment portion, and some visible light caused by the dimmer board is through at least part area illumination with translucency of the sample stage to the Fire Trace material evidence.The application can effectively eliminate the shade formed around material evidence under the lighting environment in face of complexity, improve the validity of evidence.
Description
Technical field
The application is related to technical field of fire control, more particularly to a kind of Fire Trace for being used in the identification of fire-fighting material evidence use
Material evidence camera arrangement.
Background technology
Fire Trace material evidence refers to can prove that fire occurrence cause and all vestiges and article of process, including sootiness trace
Mark, the vestige that collapses, liquid burn pattern, short circuit and overload vestige, scene of a fire corpse, charing vestige etc..Clapped in scene of fire
The various trace evidences for taking the photograph test sensitivity value are the important contents of scene of a fire photograph.Common Fire Trace material evidence has：Burn,
Sprawling, charing, ashing, sootiness, deformation, discoloration, melting, be broken, burst, exploding, rubbing, hitting, short circuit, overload, clock, remembering
Record, spill, V-arrangement.Such as can fire hazard match, stub residue；Short dot, molten trace, bead, electric wire in electrical fire
Joint, plug, electric switch；Fire-lighter, the tool used in crime etc. at the scene of setting fire；Leakage point, valve in liquefied gas fire etc..
The identification of Fire Trace material evidence relies primarily on macroscopic method (GB/T16840.1-2008) and metallographic method (GB16840.4-
1997), macroscopic method is Non-Destructive Testing, and metallographic method is to damage detection.
Macroscopic method is taken pictures to material evidence first when identifying, first, the effective macro morphology feature of collection, carries out macroscopic method
Judge；First, record material evidence global feature, it is ensured that material evidence is carried out after damaging detection, can form complete chain of evidence.
The common trace evidence photograph in scene of fire is very different with the photograph of in general object, the common vestige in scene of fire
The main function of material evidence photograph is to record their shape, size and feature, provides evidence for further technical appraisement, is
Cause of fire is investigated thoroughly, fire responsibility is assert, fire damage offer foundation is provided.Its main task is：First, timely, comprehensive, shape
As, realistically record truth, atmosphere and feature in terms of the details of scene of fire, provided reliably for investigation cause of fire break a case
Foundation and data.2nd, it is complete, clear, accurate, true, will nondeforming be difficult to the trace evidence that extracts, without damage takes pictures
Get off；3rd, record such as is set fire, caught fire at the criminal-scene evidence.
The vestige thing of scene of fire is due to overdoing, in color mostly based on black or grey, this area skill
Art personnel it is understood that for black or the object of grey, the shade formed when taking pictures for record object shape,
It is very unfavorable that size etc. is characterized in, the shade that especially illumination is formed causes the edge of object to be difficult to the naked eye divide in the picture
Distinguish.Therefore existing Fire Trace thing when taking pictures generally use secondary light source improve the lighting environment during taking pictures.Adopted
Secondary light source generally has flashlight, spotlight and major light, flash lamp, natural light.But these fill-in lights in putting into practice
There are many problems in source means, on the one hand, they often can not effectively eliminate interference of the shade to trace evidence image, especially
It is when in face of some irregular trace evidences, it is difficult to the macro morphology feature of accurate Fire Trace material evidence is obtained, it is another
Aspect, the operating difficulties of these secondary light sources and regulation is rough, it usually needs two or more staff by visual perception and
Communication coordinates, and efficiency is low and effect is difficult to ensure that.
Once Physical evidence photo can not reflect the macro morphology feature of trace evidence comprehensively, the appraisal of fire will be caused
Significant impact, and directly determine the convincingness of material evidence probation report.Therefore, it is badly in need of one kind in fire-fighting identification field and overcomes above-mentioned skill
The Fire Trace material evidence camera arrangement of art problem.
The content of the invention
In order to solve the above problems, present applicant proposes a kind of Fire Trace material evidence camera arrangement, including：
Camera support, for supporting camera；
Sample stage, for supporting the Fire Trace material evidence, at least part region of the sample stage has translucency, with
Some visible light is enabled to reach the Fire Trace material evidence by least part region from the sample stage bottom；
Secondary light source, the secondary light source is arranged on the opening position with the Fire Trace material evidence general horizontal, described auxiliary
Help light source that there is the first brightness regulation portion, at least part visible ray caused by the secondary light source shines directly into the fire trace
On mark material evidence；
Dimmer board, the dimmer board have the second brightness regulation portion and/or first position adjustment portion, and the dimmer board produces
At least part visible ray through the sample stage at least part area illumination with translucency to the fire trace
On mark material evidence.
Preferably, it is described to be used to support the camera support of camera to include being used to the camera installation portion of camera be installed and for adjusting
Save the second place adjustment portion of camera position.
Preferably, the second place regulating member includes upright position adjustment portion and/or horizontal level adjustment portion.
Preferably, at least part region of the sample stage includes glass, light-transmissive resin or light-passing plastic.
Preferably, the secondary light source includes the light bar being arranged on the sample stage.
Preferably, the secondary light source includes being arranged at least four light bar of surrounding on the sample stage, each described
Light bar has respective brightness regulation portion.
Preferably, the first position adjustment portion includes height adjusting part and/or direction adjustment portion.
Preferably, the Fire Trace material evidence camera arrangement also includes control panel, the first brightness regulation portion, the second brightness
Adjustment portion and/or first position adjustment portion are arranged on the control panel.
Can be that the Fire Trace material evidence process of taking pictures is provided with using Fire Trace material evidence camera arrangement described herein
Effect ground eliminates the means of shade, provides complete effective material evidence feature for the identification of macroscopic method Fire Trace material evidence, avoids existing
Material evidence light source randomness of taking pictures it is big, operability is poor, the poor deficiency of adjustable.
Brief description of the drawings
, below will be to embodiment or existing in order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments described in application, for those of ordinary skill in the art, do not paying the premise of creative labor
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of Fire Trace material evidence camera arrangement schematic diagram that the embodiment of the present application provides.
Embodiment
The embodiment of the present application provides a kind of Fire Trace material evidence camera arrangement 100.
In order that those skilled in the art more fully understand the technical scheme in the application, it is real below in conjunction with the application
The accompanying drawing in example is applied, the technical scheme in the embodiment of the present application is clearly and completely described, it is clear that described implementation
Example only some embodiments of the present application, rather than whole embodiments.It is common based on the embodiment in the application, this area
The every other embodiment that technical staff is obtained under the premise of creative work is not made, it should all belong to the application protection
Scope.
Fig. 1 illustrates a kind of 100 preferred embodiment of Fire Trace material evidence camera arrangement of the application, including：Camera
Support 1, for supporting camera (not shown in figure).Camera support 1 in figure is connected to sample stage 2, this area skill in position
Art personnel are such as solid it is envisioned that the camera support 1 can be independently of other any type of supports of sample stage 2
Due to the support on fabric structure, or the supporting construction similar to series connection mechanical arm.Meanwhile those skilled in the art may be used also
With understanding, together with the camera support of the application can be integrated in camera, turning into one has the only of camera function
Vertical part.In this application, it is above Fire Trace material evidence in sample to be captured that camera support 1, which is used for camera support, it is ensured that
Fire Trace material evidence is in camera view inframe.
Sample stage 2, for supporting the Fire Trace material evidence (not shown in figure), at least part area of the sample stage 2
Domain 8 has translucency, to enable some visible light to reach institute by least part region from the sample stage bottom
State Fire Trace material evidence.When being taken pictures under natural light or indoor general lighting environment, above top or side
Light is that comparison is sufficient, and especially for the camera with flash lamp function, even more the light that come from above can be entered
Row supplement.The relatively sufficient light come from above can form certain shade in lower section or downside.The fire of present embodiment
Calamity trace evidence camera arrangement 100 is set its subregion 8 with translucency while the Fire Trace material evidence is supported
, such as glass, light can be supplemented the lower section of Fire Trace material evidence or downside light partially across the region.
In one preferred embodiment, the subregion 8 especially can be translucent, e.g. ground glass etc., by the area
Domain is arranged to the translucent environment that can avoid the lower section of sample stage 2 and adversely affected to taking pictures.Meanwhile the region is set
Be set to it is translucent can be with the visible ray of filtration fraction from below so that the regulation of the light of supplement becomes easier to, can be with
What is understood is, it is assumed that the translucent subregion 8 can stop the visible ray of half, and only the visible ray of half is from below
Fire Trace material evidence is reached, then below adjustment during the intensity of light source, the speed of adjustment also can be reduced accordingly.In some letters
Under the scene of change, at least part region 8 of sample stage 2 can be made up of multiple layer structures, for example, close to the portion of lower section
Point include fully transparent material (such as glass), close to the part of top sample include translucent material (as white or
The paper of other pure colors), and preferably, the translucent material of the top is with the fully transparent material of the lower section
Dismountable structure, so that the translucent material of top can be changed.This replaceable trnaslucent materials makes
Those skilled in the art can according to influence of the contrast between different color in image for image quality, for
The trace evidence of different colours selects trnaslucent materials the most suitable, and this selection can for example include translucent paper
Color, thickness etc., to obtain imaging contrast the most rational.
Secondary light source 3, the secondary light source 3 is arranged on the opening position with the Fire Trace material evidence general horizontal, described
Secondary light source 3 has the first brightness regulation portion, and at least part visible ray caused by the secondary light source 3 shines directly into the fire
On calamity trace evidence.The secondary light source 3 can provide the light source supplement in horizontal direction for the Fire Trace material evidence,
Meanwhile the secondary light source 3 can adjust brightness so that whole camera system copes with increasingly complex lighting environment, especially
When it under natural light environment for working, the different periods has different natural light intensity, it is therefore desirable to coordinates change
Natural light environment adjustment secondary light source 3 brightness.In Fig. 1, the secondary light source 3 is arranged on the edge of sample stage 2, this
Art personnel it is understood that secondary light source 3 can also be independently of sample stage set, it is further, described
Secondary light source 3 in addition to it can adjust brightness, can be with adjustment position and/or the direction of caused light, described position
It is included in a range of position less horizontal with the Fire Trace material evidence, it is preferable that the secondary light source 3 can be with
It is with being in the range of -10 degree are spent to+10 using the Fire Trace material evidence as summit, with horizontal plane angle.Certainly, in institute
Can be that the setting direction of secondary light source 3 is adjusted when stating light source (such as light beam, fan-shaped light source) that secondary light source 3 is directionality
Regulating device is to adjust the direction of its caused light.
Dimmer board 4, the dimmer board 4 have the second brightness regulation portion and/or first position adjustment portion 9, the dimmer board 4
At least part region 8 with translucency of caused some visible light through the sample stage 2 is irradiated to the fire
On trace evidence.The dimmer board 4 is arranged on the lower section of the sample stage 2.The dimmer board 4 can coordinate the sample stage 2
The light environment of adjustment from below.In order to realize this adjustment, in a kind of embodiment of the application, the dimmer board 4
Brightness be adjustable, described adjustment can be linear adjustment or the adjustment of staged or grade formula.
In another embodiment, the position-regulation portion 9 of its position, in Fig. 1, institute can be adjusted by being provided with the dimmer board 4
The position-regulation portion 9 stated includes the stretching structure being made up of multi link, and preferably described stretching structure (is not opened up by motor in figure
Show) driving.It will be appreciated by persons skilled in the art that the stretching structure being made up of multi link in Fig. 1 can be replaced by a variety of
Realized for mode, such as piston rod, rail structure etc..Position by adjusting dimmer board 4 can equally realize adjustment lower section
The effect of light, in the case of same brightness, dimmer board 4 is nearer apart from the sample stage 2, and it is for the Fire Trace thing
The light of card supplement is more, conversely, dimmer board 4 is more remote apart from the sample stage 2, it is supplemented for the Fire Trace material evidence
Light is fewer.In a kind of embodiment, the dimmer board 4 can have brightness control function and position adjustment function simultaneously, from
And further enhance the adjustable range and degree of regulation of dimmer board 4.
In one preferred embodiment, it is described to be used to support the camera support 1 of camera to include being used to camera be installed
Camera installation portion 5 and the second place adjustment portion for adjusting camera position.Camera can be adjusted by second adjustment portion
Relative to the position of the Fire Trace material evidence.
Preferably, the second place regulating member includes upright position adjustment portion 7 and/or horizontal level adjustment portion 6, from
And the relative adjustment of such as height and/or horizontal level can be realized.Illustrate in figure and determined by way of screw fixation
Described horizontal level and height, it will be appreciated by persons skilled in the art that other obvious equivalent substitution sides can be passed through
Formula replaces above-mentioned position determination mode, for example, set respectively in upright position adjustment portion 7 and horizontal level adjustment portion 6 slide rail or
The similar structure of person, and the upright position adjustment portion 7 and horizontal level adjustment portion 6 can also be driven to exist respectively by motor
It is vertically and horizontally upper to move.
Preferably, at least part region 8 of the sample stage includes glass, light-transmissive resin or light-passing plastic.
Preferably, the secondary light source 3 includes the light bar being arranged on the sample stage.Further, the fill-in light
Source 3 includes being arranged at least four light bar of surrounding on the sample stage, and each light bar has respective brightness regulation portion.
Certainly, it will be appreciated by persons skilled in the art that the secondary light source 3 can also be several LEDs, pass through
The opening and closing of each LED or brightness is controlled to realize the adjustment of horizontal direction glazed thread respectively.
Preferably, the first position adjustment portion includes height adjusting part and/or direction adjustment portion.
Described device, including control panel 10, the first brightness regulation portion, the second brightness regulation portion and/or first position are adjusted
Section portion is arranged on the control panel 10.By setting control panel 10 to integrate each position and brightness control function so that
The personnel of taking pictures can coordinate rapidly according to the light source taken pictures in effect adjustment all directions without multiple staff,
Personnel cost is not only saved, simultaneously as saving the error that middle communication link is brought, improves the speed and precision of regulation.
Embodiments herein is the foregoing is only, is not limited to the application.For those skilled in the art
For, the application can have various modifications and variations.All any modifications made within spirit herein and principle, it is equal
Replace, improve etc., it should be included within the scope of claims hereof.
Claims (8)
- A kind of 1. Fire Trace material evidence camera arrangement (100), it is characterised in that including：Camera support (1), for supporting camera；Sample stage (2), for supporting the Fire Trace material evidence, at least part region (8) of the sample stage (2) has printing opacity Property, to enable some visible light to reach the Fire Trace thing by least part region from the sample stage bottom Card；Secondary light source (3), the secondary light source (3) is arranged on the opening position with the Fire Trace material evidence general horizontal, described Secondary light source (3) has the first brightness regulation portion, and at least part visible ray caused by the secondary light source (3) shines directly into institute State on Fire Trace material evidence；Dimmer board (4), the dimmer board (4) have the second brightness regulation portion and/or first position adjustment portion (9), the light modulation At least part region (8) with translucency of at least part visible ray caused by plate (4) through the sample stage (2) is shone It is mapped on the Fire Trace material evidence.
- 2. device (100) as claimed in claim 1, it is characterised in that described to be used to support the camera support (1) of camera to include For installing the camera installation portion (5) of camera and second place adjustment portion for adjusting camera position.
- 3. device (100) as claimed in claim 2, it is characterised in that the second place regulating member includes upright position Adjustment portion (7) and/or horizontal level adjustment portion (6).
- 4. device (100) as claimed in claim 1, it is characterised in that at least part region (8) of the sample stage includes glass Glass, light-transmissive resin or light-passing plastic.
- 5. device (100) as claimed in claim 1, it is characterised in that the secondary light source (3) includes being arranged on the sample Light bar on platform.
- 6. device (100) as claimed in claim 5, it is characterised in that the secondary light source (3) includes being arranged on the sample At least four light bar of surrounding on platform, each light bar have respective brightness regulation portion.
- 7. device (100) as claimed in claim 1, it is characterised in that the first position adjustment portion includes height adjusting part And/or direction adjustment portion.
- 8. device (100) as claimed in claim 1, it is characterised in that including control panel (10), the first brightness regulation portion, Second brightness regulation portion, and/or first position adjustment portion are arranged on the control panel (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720519937.9U CN206863442U (en) | 2017-05-10 | 2017-05-10 | A kind of Fire Trace material evidence camera arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720519937.9U CN206863442U (en) | 2017-05-10 | 2017-05-10 | A kind of Fire Trace material evidence camera arrangement |
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| Publication Number | Publication Date |
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| CN206863442U true CN206863442U (en) | 2018-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720519937.9U Active CN206863442U (en) | 2017-05-10 | 2017-05-10 | A kind of Fire Trace material evidence camera arrangement |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111882568A (en) * | 2020-06-28 | 2020-11-03 | 北京石油化工学院 | Fire image edge extraction processing method, terminal and system |
| CN112929413A (en) * | 2021-01-22 | 2021-06-08 | 山东国泰科技有限公司 | Intelligent fire-fighting terminal and intelligent fire-fighting system using same |
-
2017
- 2017-05-10 CN CN201720519937.9U patent/CN206863442U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111882568A (en) * | 2020-06-28 | 2020-11-03 | 北京石油化工学院 | Fire image edge extraction processing method, terminal and system |
| CN111882568B (en) * | 2020-06-28 | 2023-09-15 | 北京石油化工学院 | Fire image edge extraction processing method, terminal and system |
| CN112929413A (en) * | 2021-01-22 | 2021-06-08 | 山东国泰科技有限公司 | Intelligent fire-fighting terminal and intelligent fire-fighting system using same |
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Address after: 300381 Nankai District Jin Wei South Road, No. 110, Tianjin Patentee after: Tianjin Institute of Fire Protection, Ministry of Emergency Management Address before: 300381 Nankai District Jin Wei South Road, No. 110, Tianjin Patentee before: Tianjin Fire Fighting Inst., Ministry of Public Security |