CN106641847A - LED (Light Emitting Diode) multispectral footprint exploration light source - Google Patents
LED (Light Emitting Diode) multispectral footprint exploration light source Download PDFInfo
- Publication number
- CN106641847A CN106641847A CN201710040429.7A CN201710040429A CN106641847A CN 106641847 A CN106641847 A CN 106641847A CN 201710040429 A CN201710040429 A CN 201710040429A CN 106641847 A CN106641847 A CN 106641847A
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- China
- Prior art keywords
- light
- lamp bead
- led lamp
- light source
- footprint
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S6/00—Lighting devices intended to be free-standing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
The invention relates to an LED (Light Emitting Diode) multispectral footprint exploration light source, comprising a shell, a light source luminous assembly arranged in the shell and a light driving circuit electrically connected with the light source luminous assembly, wherein the light source luminous assembly comprises white LED beads, red LED beads, green LED beads and blue LED beads. The exploration light source is provided with red, green and blue LED beads besides the white LED beads capable of emitting white light, and the light emitted by LED beads of the three colors is respectively red light, green light and blue light; when the intensity of the light emitted by the three kinds of beads is respectively adjusted, the red light emitted by the red LED beads, the green light emitted by the green LED beads and the blue light emitted by the blue LED beads can be mixed into light of multiple colors; when color interference appears on the background of an irradiated object, the exploration light source can well eliminate the background color interference of the irradiated object by adjusting and transforming irradiation of light of different colors and using a light color suppression method, so that clear footprint images are obtained finally.
Description
Technical field
The present invention relates to a kind of multispectral footprint vestige of LED reconnoitres light source, in being mainly used in criminal investigation, for crime
Live footprint is reconnoitred.
Background technology
In criminal scene is reconnoitred, the search and evidence obtaining of the vestige such as footprint, fingerprint, bloodstain are difficult to complete against naked eyes, need
Will be by numerous special equipments.There is following defect in existing footprint search equipment：（1）Existing footprint lamp is mostly using single
One white light is photochromic single；（2）Volume is big, weight weight, it has not been convenient to which scene carries.
Later someone had invented a kind of bi-coloured light scene vestige footprint and had reconnoitred lamp, and such as Chinese patent CN203023817U is disclosed
A kind of flat bi-coloured light scene vestige footprint reconnoitres lamp, and it mainly is passed through to be hinged to constitute by light source part and handle portion,
Charging port is additionally provided with handle；The light source luminescent group of the light source part is blue by one group of white large-power LED light bead and one group
The arrangement of color great power LED lamp bead staggered horizontal is constituted in a row；Described white light source and blue-light source are respectively by independent switch
Control its opening and closing；Two groups of light sources are made to form a parallel wide-width flat monochromatic illumination light source respectively.The footprint lamp increases
Plus blue light be in order to the site inspection of biological vestige such as urine seminal stain saliva etc. find, because of biological vestige such as urine seminal stain saliva
Liquid etc. can be reflected clearly under the irradiation of blue light.And the footprint lamp is that white light and blue light mutually switch exclusive use.
So, although the bi-coloured light scene vestige footprint reconnoitres lamp and can to a certain extent avoid the omission of biological vestige, work as and shine
When the background of the shone thing being mapped to is color background, such as shone thing is colored floor board, and the color background on floor is to footprint
Can interfere, the footprint image for finally obtaining is not clear enough, it is impossible to the real footprint vestige of accurate response, cause evidence obtaining tired
It is difficult.
The content of the invention
The technical problem to be solved is to overcome the deficiencies in the prior art, there is provided one kind can eliminate shone thing
Backcolor interference, reconnoitre light source to obtain the multispectral footprint vestiges of the LED of footprint image photo of image clearly.
To solve above technical problem, the present invention takes technical scheme below：
A kind of multispectral footprint vestige of LED reconnoitres light source, including housing, the light source luminescent group that is arranged in the housing and with institute
The light drive circuit of light source luminescent group electrical connection is stated, the light source luminescent group includes the White LED lamp bead that can be emitted white light, described
Light source luminescent group also includes the red LED lamp bead that can be glowed, the green LED lamp bead for being capable of green light and is capable of blue light-emitting
Blue led lamp bead, the footprint vestige reconnoitres light source also to be included arranging being electrically connected with the light drive circuit on the housing
The adjusting part for connecing, the adjusting part includes electrically connecting with the light drive circuit and for controlling the red LED lamp bead
First regulating key of the red light intensity for sending is electrically connected and for controlling the green LED lamp bead with the light drive circuit
Second regulating key of the green intensity for sending and electrically connect with the light drive circuit and for controlling the blue led lamp bead
3rd regulating key of the blue light strength for sending, when sending to the red LED lamp bead, green LED lamp bead and blue led lamp bead
The intensity of light when being adjusted respectively, green glow and indigo plant that ruddiness that the red LED lamp bead sends, green LED lamp bead send
The blue light that color LED lamp bead sends can mix the light for constituting multiple color.
Further, the red LED lamp bead, green LED lamp bead, blue led lamp bead have respectively multiple.
Further, multiple red LED lamp beads, multiple green LED lamp beads, multiple blue LED lamps
Pearl constitutes multiple lamp bead components, and multiple lamp bead components are arranged in order in order, and each described lamp bead component is by a redness
LED lamp bead, a green LED lamp bead and a blue led lamp bead are arranged in order in order composition.
Further, the red LED lamp bead, green LED lamp bead, the lamp bead number of blue led lamp bead three are equal,
And the red LED lamp bead, green LED lamp bead, blue led lamp bead have respectively 2 and more than 2.
Further, the White LED lamp bead have it is multiple, the adjusting part also include and the light drive circuit electricity
Connection and the 4th regulating key for controlling the white light intensity that multiple White LED lamp beads send.
Further, the footprint vestige reconnoitres light source and also is used to processing and recording described including being arranged in the housing
Red LED lamp bead, green LED lamp bead and blue led lamp bead send the intensity of light to mix the data of the shades of colour light of composition
Process memory module and setting record button on the housing.
Further, the footprint vestige reconnoitre light source also include arrange on the housing and for show record after
The touch screen display floater of coloured light data.
Further, hemisphere cylindrical lens is provided with the housing, the hemisphere cylindrical lens is sent out positioned at the light source
Light group sends the front of light.
Further, the battery pack for power supply is provided with the housing.
Further, the socket for connecting externally fed is provided with the housing.
Due to the enforcement of above-mentioned technical proposal, the present invention has the advantage that compared with prior art：
The footprint vestige of the present invention reconnoitres light source in addition to the White LED lamp bead that can send white light, is additionally provided with red, green, blue three
The LED lamp bead of color is planted as light source, the light that the LED lamp bead of three kinds of colors sends is respectively ruddiness, green glow and blue light, when to this
When the intensity that three kinds of lamp beads send light is adjusted respectively, it is green that ruddiness that red LED lamp bead sends, green LED lamp bead send
The blue light that light and blue led lamp bead send can mix composition multiple color light, when color interference occurs in the background of shone thing
When, footprint vestige reconnoitres light irradiation of the light source by adjustment conversion different colours, can be good at using photochromic oppressive method
The backcolor interference of shone thing is eliminated, the footprint image photo of image clearly is finally obtained.
Description of the drawings
Fig. 1 is the front view that footprint vestige of the present invention reconnoitres light source；
Fig. 2 is the top view that footprint vestige of the present invention reconnoitres light source；
Fig. 3 is the side view that footprint vestige of the present invention reconnoitres light source；
In figure, 1, housing；2nd, battery pack；3rd, light drive circuit；4th, light source luminescent group；41st, red LED lamp bead；42nd, green LED
Lamp bead；43rd, blue led lamp bead；44th, White LED lamp bead；5th, adjusting part；51st, the first regulating key；52nd, the second regulation is pressed
Key；53rd, the 3rd regulating key；54th, the 4th regulating key；6th, data processing memory module；7th, button is recorded；8th, touch screen display surface
Plate；9th, hemisphere cylindrical lens；10th, portable draw ring；11st, socket.
Specific embodiment
The specific embodiment of the present invention is described in detail below in conjunction with the accompanying drawings：
As shown in accompanying drawing 1 ~ 3, a kind of multispectral footprint vestige of LED reconnoitres light source, including housing 1, the light source that is arranged in housing 1
Luminous group 4 and the light drive circuit 3 electrically connected with light source luminescent group 4, light source luminescent group 4 includes the White LED that can be emitted white light
Lamp bead, the red LED lamp bead 41 that can be glowed, the green LED lamp bead 42 for being capable of green light and the blue led for being capable of blue light-emitting
Lamp bead 43, the footprint vestige reconnoitres the adjusting part 5 electrically connected with light drive circuit 3 that light source also includes being arranged on housing 1,
Adjusting part 5 includes being electrically connected with light drive circuit 3 and for controlling the red light intensity that red LED lamp bead 41 sends first adjusts
Section button 51 electrically connect with light drive circuit 3 and for control the green intensity that green LED lamp bead 42 sends second regulation by
Key 52 and electrically connect with light drive circuit 3 and for controlling the 3rd regulating key of the blue light strength that blue led lamp bead 43 sends
53, when the intensity of the light sent to red LED lamp bead 41, green LED lamp bead 42 and blue led lamp bead 43 is adjusted respectively
When, the blue light energy that the green glow and blue led lamp bead 43 that ruddiness that red LED lamp bead 41 sends, green LED lamp bead 42 send sends
Enough mixing constitute the light of multiple color.
Red LED lamp bead 41, green LED lamp bead 42, blue led lamp bead 43 have respectively it is multiple, such as have respectively 2 or
More than 2, the lamp bead number of red LED lamp bead 41, green LED lamp bead 42 and blue led lamp bead 43 is equal.Specifically can be by such as
Under type is arranged, and multiple red LED lamp beads 41, multiple green LED lamp beads 42 and multiple blue led lamp beads 43 constitute multiple lamp beads
Component, multiple lamp bead components are arranged in order in order in a row, and each lamp bead component is green by a red LED lamp bead 41,
Color LED lamp bead 42 and a blue led lamp bead 43 are arranged in order in order composition.
White LED lamp bead 44 have it is multiple, adjusting part 5 also includes electrically connecting with light drive circuit 3 and many for controlling
4th regulating key 54 of the white light intensity that individual White LED lamp bead 44 sends.
The arrangement mode of multiple White LED lamp beads 44 can be that red, green, blue, the mode of white lamp bead are arranged, it is also possible to will be white
Color LED lamp bead 44 is interspersed between red, green, blue lamp bead.
In case of criminal detection, footprint vestige reconnoitre light source typically operated by criminal detective and be mostly by same person grasp
Make, for convenience operating personnel use, the footprint vestige reconnoitres light source also to be included being arranged in housing 1 for processing and recording red
Color LED lamp bead 41, green LED lamp bead 42 and blue led lamp bead 43 send the intensity of light to mix the shades of colour light of composition
Data processing memory module 6 and the record button 7 being arranged on housing 1.The data after record, footprint vestige are shown for convenience
Reconnoitring light source also includes being arranged on housing 1 and for the touch screen display floater 8 of coloured light data after display record.Touch screen display surface
The clear key of data after being additionally provided with plate 8 for removing record.If operating personnel are when a certain shone thing is irradiated, shone thing
The interference of the color that has powerful connections, the luminous intensity of red, green, blue is adjusted respectively enables mixed light to eliminate background color interference, presses
Lower record button 7, is recorded data now and data is processed by data processing memory module 6, the data after process
It is displayed on touch screen display floater 8, such as A is shown as on touch screen display floater 8, when again identical background face occurs in next case part
When color is disturbed, the data of the light for eliminating the background color interference only by A, need to can be recalled, footprint vestige is reconnoitred light source and irradiated
Light be the light for eliminating background color interference, it is easy to operate.
Hemisphere cylindrical lens 12 is provided with the housing 1, hemisphere cylindrical lens 12 is sent before light positioned at light source luminescent group 4
The light that light source luminescent group 4 sends is adjusted to side, hemisphere cylindrical lens 12 upper and lower 5 ° ~ 15 ° of flat light, left and right 25 ° ~ 45 °
Wide cut light.
The footprint vestige is reconnoitred the power supply mode of light source and can be powered from battery, it is also possible to selects externally fed, such as may be used
The battery pack 2 powered is provided in housing 1, is provided for connecting the socket 11 of externally fed on housing 1.
Use for the ease of operating personnel, portable draw ring 10 is additionally provided with housing 1.
Footprint vestige of the present invention reconnoitres light source when in use, and controlling red, green, blue, white light source by adjusting part 5 individually makes
With, it is also possible to two or more is used in combination to control red, green, blue, white light source by adjusting part 5, such as red, green, blue
Source is used in combination, and red, green, blue, white light source are used in combination.Operating personnel can be selected according to field condition.
The present invention is described in detail above, its object is to allow the personage for being familiar with this art to will appreciate that this
The content of invention is simultaneously carried out, and can not be limited the scope of the invention with this, and the invention is not restricted to above-mentioned enforcement
Example, equivalence changes or modification that all Spirit Essences of the invention are made all should be included within the scope of the present invention.
Claims (10)
1. a kind of multispectral footprint vestiges of LED reconnoitre light source, including housing, the light source luminescent group that is arranged in the housing and with
The light drive circuit of the light source luminescent group electrical connection, the light source luminescent group includes the White LED lamp bead that can be emitted white light, its
It is characterised by：The light source luminescent group also includes the red LED lamp bead that can be glowed, the green LED lamp bead for being capable of green light
And be capable of the blue led lamp bead of blue light-emitting, the footprint vestige reconnoitre light source also include arranging on the housing with it is described
The adjusting part of light drive circuit electrical connection, the adjusting part includes electrically connecting with the light drive circuit and for controlling
The first regulating key for stating the red light intensity that red LED lamp bead sends is electrically connected and for controlling with the light drive circuit
State the second regulating key of the green intensity that green LED lamp bead sends and electrically connect and for controlling with the light drive circuit
The 3rd regulating key of the blue light strength that blue led lamp bead sends is stated, when to the red LED lamp bead, green LED lamp bead and indigo plant
When the intensity of the light that color LED lamp bead sends is adjusted respectively, ruddiness, green LED lamp bead that the red LED lamp bead sends
The blue light that the green glow and blue led lamp bead for going out sends can mix the light for constituting multiple color.
2. the multispectral footprint vestiges of LED according to claim 1 reconnoitre light source, it is characterised in that：The red LED lamp
Pearl, green LED lamp bead, blue led lamp bead have respectively multiple.
3. the multispectral footprint vestiges of LED according to claim 2 reconnoitre light source, it is characterised in that：Multiple red LEDs
Lamp bead, multiple green LED lamp beads, multiple blue led lamp beads constitute multiple lamp bead components, multiple lamp bead components
It is arranged in order in order, each described lamp bead component is by a red LED lamp bead, a green LED lamp bead and a blue led
Lamp bead is arranged in order in order composition.
4. the multispectral footprint vestiges of LED according to claim 2 reconnoitre light source, it is characterised in that：The red LED lamp
Pearl, green LED lamp bead, the lamp bead number of blue led lamp bead three are equal, and the red LED lamp bead, green LED lamp bead, indigo plant
Color LED lamp bead has respectively 2 and more than 2.
5. the multispectral footprint vestiges of LED according to claim 1 reconnoitre light source, it is characterised in that：The White LED lamp bead
With multiple, the adjusting part also includes electrically connecting with the light drive circuit and for controlling multiple white led lamps
4th regulating key of the white light intensity that pearl sends.
6. the multispectral footprint vestiges of LED according to claim 1 reconnoitre light source, it is characterised in that：The footprint vestige is surveyed
Looking into light source also includes being arranged in the housing for processing and recording the red LED lamp bead, green LED lamp bead and blueness
LED lamp bead sends the intensity of light to mix the data processing memory module of the shades of colour light of composition and arrange on the housing
Record button.
7. the multispectral footprint vestiges of LED according to claim 6 reconnoitre light source, it is characterised in that：The footprint vestige is surveyed
Looking into light source also includes arranging on the housing and for the touch screen display floater of coloured light data after display record.
8. the multispectral footprint vestiges of LED according to claim 1 reconnoitre light source, it is characterised in that：Arrange in the housing
There is hemisphere cylindrical lens, the hemisphere cylindrical lens is located at the front that the light source luminescent group sends light.
9. the multispectral footprint vestiges of LED according to claim 1 reconnoitre light source, it is characterised in that：Arrange in the housing
There is the battery pack for power supply.
10. the multispectral footprint vestiges of LED according to claim 1 reconnoitre light source, it is characterised in that：Arrange on the housing
There is the socket for connecting externally fed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710040429.7A CN106641847B (en) | 2017-01-20 | 2017-01-20 | A kind of multispectral footprint trace of LED reconnoitres light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710040429.7A CN106641847B (en) | 2017-01-20 | 2017-01-20 | A kind of multispectral footprint trace of LED reconnoitres light source |
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| CN106641847A true CN106641847A (en) | 2017-05-10 |
| CN106641847B CN106641847B (en) | 2019-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710040429.7A Active CN106641847B (en) | 2017-01-20 | 2017-01-20 | A kind of multispectral footprint trace of LED reconnoitres light source |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107401690A (en) * | 2017-07-24 | 2017-11-28 | 深圳盈朗照明有限公司 | Light source assembly and footprint search equipment |
| CN109254006A (en) * | 2018-10-30 | 2019-01-22 | 深圳市九天星科技发展有限公司 | A kind of laser physical evidence exploration instrument |
| CN109917540A (en) * | 2019-04-05 | 2019-06-21 | 舒轶 | The ultra high-definition electronic endoscope system of multispectral 5D photometric stereo vision |
| CN110378327A (en) * | 2019-07-09 | 2019-10-25 | 浙江大学 | Add the object detecting device and method of complementary notable feature |
| CN110513638A (en) * | 2019-08-22 | 2019-11-29 | 北京远心科技有限责任公司 | 360 degree of footprint observation search lamps |
| CN110673226A (en) * | 2019-11-07 | 2020-01-10 | 安徽现勘信息科技有限公司 | Multispectral all-angle biological footprint searching device |
| CN113542754A (en) * | 2021-06-23 | 2021-10-22 | 浙江谷泓生物技术有限公司 | Method for encoding and decoding light source color in color space with white background light |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107401690A (en) * | 2017-07-24 | 2017-11-28 | 深圳盈朗照明有限公司 | Light source assembly and footprint search equipment |
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| CN109917540A (en) * | 2019-04-05 | 2019-06-21 | 舒轶 | The ultra high-definition electronic endoscope system of multispectral 5D photometric stereo vision |
| CN110378327A (en) * | 2019-07-09 | 2019-10-25 | 浙江大学 | Add the object detecting device and method of complementary notable feature |
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| CN110513638A (en) * | 2019-08-22 | 2019-11-29 | 北京远心科技有限责任公司 | 360 degree of footprint observation search lamps |
| CN110673226A (en) * | 2019-11-07 | 2020-01-10 | 安徽现勘信息科技有限公司 | Multispectral all-angle biological footprint searching device |
| CN113542754A (en) * | 2021-06-23 | 2021-10-22 | 浙江谷泓生物技术有限公司 | Method for encoding and decoding light source color in color space with white background light |
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| Publication number | Publication date |
|---|---|
| CN106641847B (en) | 2019-09-24 |
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