CN211908924U - Portable fire scene micro material evidence display instrument - Google Patents
Portable fire scene micro material evidence display instrument Download PDFInfo
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- CN211908924U CN211908924U CN202020535706.9U CN202020535706U CN211908924U CN 211908924 U CN211908924 U CN 211908924U CN 202020535706 U CN202020535706 U CN 202020535706U CN 211908924 U CN211908924 U CN 211908924U
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Abstract
The utility model discloses a portable fire scene tiny material evidence display instrument, which comprises an instrument body, a photographing mechanism arranged on the instrument body, an amplifying lens arranged at the front end of the lens of the photographing mechanism and a display screen; the display screen is electrically connected with the photographing mechanism in a communication way; the magnifying lens comprises two groups of lenses which are detachably connected, and the two groups of lenses are an adjustable multiple lens connected with the front end of the lens of the photographing mechanism and a light source fixed multiple lens detachably connected with the adjustable multiple lens respectively. The utility model discloses small material evidence display instrument of portable scene of fire is used for the scene high power observation and the image recording of the small vestige material evidence of the scene of fire. The fire investigation personnel are helped to carry out clearer and more visual observation and judgment on the tiny material evidence melting marks on the fire scene, the functions of observation and illumination, microcosmic photographing, proportion calibration, size measurement, key area marking, video recording and the like can be realized, and the device has the characteristics of simplicity, practicability and portability.
Description
Technical Field
The utility model relates to a fire-fighting equipment technical field, more specifically the small material evidence display instrument of portable conflagration scene that says so.
Background
Among the various disasters, fire is one of the main disasters that threaten public safety and social development most often and most generally.
In the fire investigation work, some important metal melting marks or tiny material evidences at a fire scene need to be observed and analyzed so as to determine the property reason of the fire scene. Fire hazard investigation personnel mainly observe some small weld marks through people's eye or hand-held type magnifying glass in the trade now, hand-held type magnifying glass magnification is mostly only 30 times, it is relatively poor not have from taking light source function or luminance, influence very big to the observation effect under the condition that luminance is not enough, more can't realize the real-time storage weld mark photo, the majority is to take off the material evidence and use digital camera to shoot alone, or then take back the material evidence with style microscope observation analysis in the laboratory, be unfavorable for the on-the-spot quick solution problem, the time and the degree of difficulty of investigation have been increased.
Therefore, the technical personnel in the field need to solve the problem how to provide a portable fire scene micro physical evidence display instrument which is convenient and fast to use, can immediately observe and record metal melting marks or micro physical evidence after fire disaster and reduce the fire investigation time.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a it is convenient to use, can observe the record to metal melting mark or small material evidence after the conflagration disaster immediately, reduces the on-the-spot small material evidence display instrument of conflagration investigation time.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the portable fire scene micro physical evidence display instrument comprises a machine body, a photographing mechanism arranged on the machine body, an amplifying lens arranged at the front end of the lens of the photographing mechanism and a display screen; the display screen is in communication and electric connection with the photographing mechanism;
the magnifying lens comprises two groups of lenses which are detachably connected, and an adjustable multiple lens connected with the front end of the lens of the photographing mechanism and a light source fixed multiple lens detachably connected with the adjustable multiple lens are respectively arranged.
The utility model discloses small material evidence display instrument of portable scene of fire is used for the scene high power observation and the image recording of the small vestige material evidence of the scene of fire. The fire investigation personnel are helped to carry out clearer and more visual observation and judgment on the tiny material evidence melting marks on the fire scene, the functions of observation and illumination, microcosmic photographing, proportion calibration, size measurement, key area marking, video recording and the like can be realized, and the device has the characteristics of simplicity, practicability and portability.
Further, the lens with adjustable multiple comprises a first lens, a second lens and a sleeve in threaded connection; the first lens is arranged in an inner sleeve of the sleeve, the second lens is fixed in an outer sleeve of the sleeve, a window for adjusting the inner sleeve is formed in the wall of the outer sleeve corresponding to the inner sleeve, and the first lens and the second lens are plano-convex lenses which are oppositely arranged.
Further, the device also comprises a plurality of fog-shaped LED lamps which are fixed between the first lens and the lens of the photographing mechanism.
The utility model discloses adjustable multiple camera lens can realize that the magnification is 60 times to 200 times, can carry out more clear audio-visual observation to the small material evidence weld mark in the scene of the conflagration to help conflagration investigation personnel effectively and judge, and first lens with set up between the camera lens of the mechanism of shooing that vaporific LED lamp can effectual elimination the halo that the mechanism surface produced of shooing, can make the observation, shoot or shoot more clearly.
Further, the fixed multiple camera lens of light source include with the shell that the connection can be dismantled to the outer sleeve is located the inboard third lens of shell, and locate the LED lamp of third lens front end week side.
Further, the LED lamp comprises at least one purple light LED lamp and at least one white light LED lamp which are arranged at intervals.
The utility model discloses, can adopt opening and closing of the fixed multiple camera lens independent control LED lamp of light source, can set up button cell and switch at the casing to purple light LED lamp and white light LED lamp. Realizing control; the purple light LED light can better highlight the characteristics of microscopic states of the melting marks, the working efficiency of field fire investigation personnel can be effectively improved, the brightness of the microscopic states is ensured by the white light LED light source, the line control capture function can prevent shaking, and the states of the microscopic melting marks of the material evidence can be better recorded.
Further, the photographing mechanism comprises an imaging device, a lens, a main control circuit board, a key and a storage battery;
the imaging device is fixedly connected with the front of the machine body, a lens is arranged in the imaging device, the display screen is arranged on one side of the machine body opposite to the imaging device, and the key is arranged on the side edge of the display screen and is electrically connected with the main control circuit board; the main control circuit board is arranged in the machine body and comprises a processor, a converter and a memory; the processor, the converter, the memory and the display screen are electrically connected with the storage battery.
Furthermore, a USB connection socket is also arranged on the machine body.
The utility model discloses small, portable can carry out relevant vestige material evidence through the ultraviolet ray and gather at the conflagration scene through image device, under the condition that does not destroy vestige material evidence, also can not pollute to producing on every side, respond well, the practicality is strong.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic view of a three-dimensional structure of a portable fire scene micro physical evidence display instrument of the utility model;
FIG. 2 is a schematic view of a structure of a magnifying glass head of the portable fire scene micro physical evidence display instrument of the present invention;
fig. 3 is a schematic diagram of a side view structure of the portable small physical evidence display instrument for fire scene of the utility model.
Wherein, 1 is a body; 2 is a photographing mechanism; 22 is an imaging device; 23 is a lens; 24 is a key; 25 is a storage battery; 3 is a magnifying lens; 31 is a lens with adjustable multiple; 32 is a light source fixed multiple lens; 311 is a first lens; 312 is a second lens; 313 is a sleeve; 3131 is a window; 314 is a fog-like LED lamp; 321 is a shell; 322 is a third lens, 323 is an LED lamp; and 4, a display screen.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 to fig. 3, the embodiment of the present invention discloses a portable fire scene micro physical evidence display instrument, which comprises a machine body 1, a photographing mechanism 2 arranged on the machine body 1, an amplifying lens 3 arranged at the front end of the lens of the photographing mechanism 2, and a display screen 4; the display screen 4 is in communication and electric connection with the photographing mechanism 2;
the magnifying lens 3 comprises two groups of lenses which are detachably connected, namely an adjustable multiple lens 31 connected with the front end of the lens of the photographing mechanism 2 and a light source fixed multiple lens 32 detachably connected with the adjustable multiple lens 31.
The portable fire scene tiny material evidence display instrument is used for scene high-power observation and image recording of the fire scene tiny trace material evidence. The fire investigation personnel are helped to carry out clearer and more visual observation and judgment on the tiny material evidence melting marks on the fire scene, the functions of observation and illumination, microcosmic photographing, proportion calibration, size measurement, key area marking, video recording and the like can be realized, and the device has the characteristics of simplicity, practicability and portability.
In this embodiment, the lens 31 with adjustable magnification includes a first lens 311, a second lens 312, and a sleeve 313 connected by a screw; the first lens 311 is disposed in the inner sleeve of the sleeve 313, the second lens 312 is fixed in the outer sleeve of the sleeve 313, a window 3131 for adjusting the inner sleeve is opened on the outer sleeve wall corresponding to the inner sleeve, and the first lens 311 and the second lens 312 are flat convex lens sheets oppositely disposed.
In this embodiment, the photographing device further includes a plurality of fog LED lamps 314, and the fog LED lamps 314 are fixed between the first lens 311 and the lens of the photographing mechanism 2.
The adjustable multiple lens 31 of the embodiment can realize that the magnification is 60 times to 200 times, can effectively carry out more clear and visual observation and judgment on tiny material evidence melting marks on a fire scene for fire investigators, and can effectively eliminate halation generated on the surface of the photographing mechanism 2 by arranging the fog-shaped LED lamp between the first lens 311 and the lens of the photographing mechanism 2, so that observation, photographing or shooting can be more clear.
In this embodiment, the lens 32 with fixed light source magnification includes a housing 321 detachably connected to the outer sleeve, a third lens 322 disposed inside the housing 321, and an LED lamp disposed on the front end periphery of the third lens 322.
In this embodiment, the LED lamp 323 includes at least one purple LED lamp and a white LED lamp disposed at intervals.
In this embodiment, the light source multiple fixing lens 32 can be used to control the LED lamps individually, and the button battery and the switch can be disposed on the housing 321 to control the violet LED lamps and the white LED lamps. Realizing control; the purple light LED light can better highlight the characteristics of microscopic states of the melting marks, the working efficiency of field fire investigation personnel can be effectively improved, the brightness of the microscopic states is ensured by the white light LED light source, the line control capture function can prevent shaking, and the states of the microscopic melting marks of the material evidence can be better recorded.
In this embodiment, the photographing mechanism 2 includes an imaging device 22, a lens 23, a main control circuit board, a key 24, and a storage battery 25;
an imaging device 22 is fixedly connected in front of the machine body 1, a lens 23 is arranged in the imaging device 22, the display screen 4 is arranged on one side of the machine body 1 opposite to the imaging device 22, and the key 24 is arranged on the side edge of the display screen 4 and is electrically connected with the main control circuit board; the main control circuit board is arranged in the machine body 1 and comprises a processor, a converter and a memory; the processor, converter, memory and display screen 4 are electrically connected to a battery 25.
In this embodiment, the body 1 is further provided with a USB connection socket. In the embodiment, the picture can be led into the computer by utilizing the USB connection socket, so that the data can be effectively stored and further analyzed.
Specifically, the key 24 in the embodiment comprises a power switch, a portable fire scene tiny physical evidence display instrument is turned on within 1 second, and then turned off within 2 seconds;
and a shutter button, wherein in the shooting mode, the button is pressed to perform a shooting function, and in the video recording mode, the button is pressed to start video recording or stop video recording. In the video playback mode, pressing the button starts or pauses video playback;
Menu/Del, which is a dual-function combined button, and the operation of rotating/protecting/deleting the photo or the video can be carried out by pressing the button in the playback mode; in other modes, it is the Menu button for the Menu setup function.
And fourthly, mode switching, namely, the mode switching operation of photographing/recording/playback can be carried out by pressing the button.
Multiple direction keys for menu guide operation or cursor up-down-left-right movement operation when zooming photo or video
OK/Scale, which is a dual function button and is used as OK confirming button when setting menu; and when in the photographing mode, pressing the button to display an operation button for the cross scale.
Seventhly, Zoom-Out button
Eighty Zoom-In buttons.
In other embodiments, further comprising: 9) the extended shutter interface is used for connecting a wired shutter remote controller, the wired shutter remote controller is provided with 3 buttons, and photographing/mode switching/LED light source switching operation can be carried out by pressing the 3 buttons respectively;
10) the hanging rope hole is used for tying a hanging rope of the display instrument;
11) an auxiliary focal length transparent cover for assisting a user to operate the display instrument under a fixed magnification;
12) a charging indicator lamp, wherein during charging, a red LED is on, and after charging is finished, a blue LED is on;
13) and the DC 5V charging interface is connected to an alternating current adapter to charge the storage battery 25.
The portable fire scene micro physical evidence display instrument is portable in use and practical in function, and the microcosmic observation and the real-time shooting, recording and storing functions of physical evidence on a fire scene are perfectly combined, so that microcosmic measurement and marking of physical evidence traces can be completed on the scene, and the characteristics of microscopic states of weld marks are better and prominently displayed due to the application of purple LED light. The problems that fire investigators are unclear, inaccurate, inconvenient and untimely in extracting the tiny melt mark material evidence in a fire scene are solved; the micro physical evidence display instrument has high magnification, a light source, anti-shake photographing and video recording functions, can record micro physical evidence trace photos in real time, can realize a micro image processing function by an online computer, and is small and portable in overall design.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. The portable fire scene tiny physical evidence display instrument is characterized by comprising an instrument body (1), a photographing mechanism (2) arranged on the instrument body (1), an amplifying lens (3) arranged at the front end of a lens of the photographing mechanism (2) and a display screen (4); the display screen (4) is in communication and electric connection with the photographing mechanism (2);
the magnifying lens (3) comprises two groups of lenses which are detachably connected, and is an adjustable multiple lens (31) which is connected with the front end of the lens of the photographing mechanism (2) and a light source fixed multiple lens (32) which is detachably connected with the adjustable multiple lens (31) respectively.
2. The portable fire scene micro physical evidence display instrument as recited in claim 1, wherein the adjustable magnification lens (31) comprises a first lens (311), a second lens (312) and a sleeve (313) which is connected by screw thread; the first lens (311) is arranged in an inner sleeve of the sleeve (313), the second lens (312) is fixed in an outer sleeve of the sleeve (313), a window (3131) for adjusting the inner sleeve is formed in the wall of the outer sleeve corresponding to the inner sleeve, and the first lens (311) and the second lens (312) are plano-convex lens sheets which are oppositely arranged.
3. The portable fire scene micro physical evidence display instrument as claimed in claim 2, further comprising a plurality of fog-shaped LED lamps (314), wherein the fog-shaped LED lamps (314) are fixed between the first lens (311) and the lens of the photographing mechanism (2).
4. The portable fire scene micro physical evidence display instrument as recited in claim 2, wherein the light source fixed multiple lens (32) comprises a housing (321) detachably connected with the outer sleeve, a third lens (322) arranged inside the housing (321), and an LED lamp (323) arranged on the front end circumference side of the third lens (322).
5. The portable fire scene micro physical evidence display instrument as recited in claim 4, wherein the LED lamp (323) comprises at least one purple LED lamp and a white LED lamp which are arranged at intervals.
6. The portable fire scene micro physical evidence display instrument according to any one of the claims 1 to 5, wherein the photographing mechanism (2) comprises an imaging device (22), a lens (23), a main control circuit board, a key (24) and a storage battery (25);
the imaging device (22) is fixedly connected to the front of the machine body (1), a lens (23) is arranged in the imaging device (22), the display screen (4) is arranged on one side of the machine body (1) opposite to the imaging device (22), and the key (24) is arranged on the side edge of the display screen (4) and is electrically connected with the main control circuit board; the main control circuit board is arranged in the machine body (1) and comprises a processor, a converter and a memory; the processor, the converter, the memory and the display screen (4) are electrically connected with the storage battery (25).
7. The portable fire scene micro physical evidence display instrument as claimed in claim 6, wherein the body (1) is further provided with a USB connection socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020535706.9U CN211908924U (en) | 2020-04-13 | 2020-04-13 | Portable fire scene micro material evidence display instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020535706.9U CN211908924U (en) | 2020-04-13 | 2020-04-13 | Portable fire scene micro material evidence display instrument |
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| Publication Number | Publication Date |
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| CN211908924U true CN211908924U (en) | 2020-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020535706.9U Active CN211908924U (en) | 2020-04-13 | 2020-04-13 | Portable fire scene micro material evidence display instrument |
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| CN (1) | CN211908924U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2020
- 2020-04-13 CN CN202020535706.9U patent/CN211908924U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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