CN201377689Y - Multi-band light source - Google Patents
Multi-band light source Download PDFInfo
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- CN201377689Y CN201377689Y CN200920107417U CN200920107417U CN201377689Y CN 201377689 Y CN201377689 Y CN 201377689Y CN 200920107417 U CN200920107417 U CN 200920107417U CN 200920107417 U CN200920107417 U CN 200920107417U CN 201377689 Y CN201377689 Y CN 201377689Y
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- light source
- light
- emitting diode
- light emitting
- alternative
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Abstract
The utility model relates to a multi-band light source, comprising a plurality of package planes for bearing light-emitting diodes, wherein, each package plane is provided with a circuit board, and the light-emitting diodes with different wavelengths are arranged on different planes and are electrically connected with the circuit boards. The output light of each light-emitting diode is focused and reshaped by a condensing lens group to be coupled into an optical fiber, and the output ports of a plurality of optical fibers are integrated together to form a light guiding output opening. The front of the light guiding output opening is provided with a reshaping lens group. The multi-band light source realizes multi-band light output in a limited space to be beneficial for on-site investigation and criminal photography, and the like, and has the characteristics of small size, large output power and easy application.
Description
Technical field
The utility model relates to a kind of light supply apparatus, particularly a kind of alternative light source.
Background technology
Alternative light source is a kind of important instrument in the forensic science technology, reconnoitres at the scene and aspect such as photography on crime has important use and is worth.Now the alternative light source of main flow is to be basic light source with xenon lamp, adds that at output different interfere type optical filters carries out spectrum and selects then.
This mode has several drawbacks: 1, the life-span of xenon lamp has only several thousand hours, needs in actual applications to change.2, interfere type optical filter price is higher, be subjected to high-temperature baking after the life-span descend, also need to change according to operating position.More than two kinds of situations cause and use and maintenance cost increases.3, the output light of different-waveband is by the decision of interfere type optical filter, and its energy only accounts for the very fraction of light source, and other energy have all been wasted.
The development of succeeding in developing to alternative light source of light emitting diode provides new power.Utility model patent 02235158.2 is used light emitting diode and has been made novel alternative light source, but its volume is still bigger.Patent 200520111119.2 and 200720089164.1 utilizes light emitting diode to make the flashlight type alternative light source, but it can only export a kind of light of wave band, need tens such flashlight type light sources could satisfy actual needs, use and inconvenience, patent 200520111119.2 has only a light emitting diode, and power output is limited.
Summary of the invention
The utility model provides a kind of alternative light source, to solve the technical problem that exists in the above-mentioned background technology.
For solving the problems of the technologies described above, a kind of alternative light source of the present utility model comprises the encapsulation plane of a plurality of carrying light emitting diodes, and each encapsulation plane is provided with circuit board, the light emitting diode of different wave length is arranged on the different encapsulation plane, is electrically connected with circuit board; Be coupled in the optical fiber after the output light process collector lens group focusing of each light emitting diode, the shaping, the output port of described multifiber integrates, and forms a leaded light delivery outlet; A shaping lens group is set before the described leaded light delivery outlet.
Described circuit board all is connected to a multi-gear switch.
Described light emitting diode is visible light emitting diode, UV LED or the infrarede emitting diode of different wave length.
Be provided with fin behind described each encapsulation plane.
Also be provided with the aperture that can supply described optical fiber to pass through on described each encapsulation plane.
Described alternative light source also comprises rechargeable battery or battery, and described circuit board is electrically connected with described rechargeable battery or battery.
Described alternative light source also comprises power-conditioning device, and described power-conditioning device connects civil power.。
Advantage of the present utility model is to utilize the optical fiber coupling principle, and the output light of single light emitting diode is pooled to the leaded light delivery outlet, and can have a plurality of LED package plane, and different encapsulation plane has different output wave bands.In a limited space, realized multiband light output like this, helped site inspection and photography on crime and use that it is little to have a volume, power output is big, uses characteristics easily.
Description of drawings
Fig. 1 is the utility model overall structure schematic diagram.
Fig. 2 is the structural representation of leaded light delivery outlet;
Fig. 3 is the local emphasis figure of leaded light delivery outlet and shaping lens coupling;
Fig. 4 is the structural representation on encapsulation plane;
Fig. 5 is the local emphasis figure of light emitting diode, collector lens and optical fiber coupling;
Fig. 6 is that the position of fin and shell concerns cutaway view among first embodiment;
Fig. 7 is that the position of fin and shell concerns cutaway view among second embodiment;
The specific embodiment
Fig. 1 is the structural representation of the utility model first embodiment, during description with the direction of shaping lens group among Fig. 15 as the place ahead.As shown in the figure, alternative light source of the present utility model comprises a plurality of encapsulation plane 1, encapsulate plane 1 in the present embodiment and be in line and be spaced, but not as limit.Be provided with an optical fiber 3 before each collector lens group.The light that light emitting diode 2 sends enters optical fiber 3 by the light input end mouth after overconvergence.For avoiding lines in disorder, in the accompanying drawing only with six optical fiber 3 as signal, actual fiber 3 and the corresponding one by one setting of light emitting diode 2.
Each encapsulation plane 1 is provided with circuit board, and a plurality of light emitting diodes 2 are electrically connected with circuit board after being arranged on the encapsulation plane 1.Circuit board all is electrically connected on power supply, and power supply can be rechargeable battery or battery, and rechargeable battery or battery provide light emitting diode 2 luminous required electric energy by circuit board.This power supply can also be a civil power, and civil power provides light emitting diode 2 luminous required electric energy by circuit board after regulating by power-conditioning device.Also be provided with fin 8 at the circuit board rear, to help light emitting diode 2 heat radiations.Fin 8 can extend to shell 9 outsides of alternative light source, so that obtain better radiating effect, as shown in Figure 6, has only drawn the fin on an encapsulation plane among the figure.
Wherein, be arranged on the different light emitting diode 2 wavelength differences that encapsulate on the plane 1.Such as encapsulating the UV LED that different-waveband is set respectively on the plane 1, the infrarede emitting diode of different wave length and the visible light emitting diode of different-waveband in difference.
Each encapsulates between the circuit board on plane 1 and the power supply and is connected with a multi-gear switch, by toggle switch to different gears, the circuit board electric connections on the different encapsulation of control plane 1, thus the light emitting diode 2 on the different encapsulation plane 1 is luminous.
Fig. 5 is the local emphasis figure of light emitting diode and collector lens and optical fiber coupling, and as shown in the figure, the place ahead of each light emitting diode 2 luminous end is provided with collector lens group 7, and this collector lens group 7 can only comprise lens.Because the light that light emitting diode 2 sends is dispersed relatively, by the converging action of collector lens group 7, the light that light emitting diode 2 can be dispersed can gather relatively.Be provided with an optical fiber 3 before each collector lens group 7.The light that light emitting diode 2 sends enters optical fiber 3 by the light input end mouth after overconvergence.Optical fiber 3 and the corresponding one by one setting of light emitting diode 2.The input port of optical fiber 3 and collector lens group 7 adopt firm being fixed on the encapsulation plane 1 of mechanical system, and the relative position of optical fiber 3 input ports, collector lens group and light emitting diode 2 is maintained static, to guarantee the stable of light path.
The structure on encapsulation plane 1 encapsulates on the plane 1 and is distributed with a plurality of apertures 6 as shown in Figure 4, and optical fiber 3 passes the aperture 6 on the encapsulation plane 1, pools together.What the output port of all optical fiber 3 was intensive integrates, and forms leaded light delivery outlet 4, as shown in Figure 2.Light from the light input end mouth enters through optical fiber 3, is conducted to this leaded light delivery outlet 4.Fig. 3 is the local emphasis figure of leaded light delivery outlet and shaping lens coupling, and the place ahead of leaded light delivery outlet 4 is provided with shaping lens group 5, and this shaping lens group 5 can only comprise lens.From the light of leaded light delivery outlet 4 outputs,, become directional light output via focusing, the shaping of shaping lens group 5.
Second embodiment of the present utility model is similar to first example structure, and difference is that single encapsulation plane 1 is a strip in the present embodiment, and encapsulation plane 1 is provided with fin 8 behind.A plurality of encapsulation plane 1 surrounds a prism.Light emitting diode 2 is arranged on prismatic inner, and optical fiber 3 passes from prismatic inside, is pooled to leaded light delivery outlet 4 at last.From the light of leaded light delivery outlet 4 outputs, after shaping lens group 5 focusing, shaping, become directional light output.Fin 8 can extend to shell 9 outsides of alternative light source always, obtains better radiating effect, as shown in Figure 7.The shell 9 of alternative light source of the present utility model can be flashlight type lamp outer casing or other ordinary lamp and lantern shells.
More than be illustrative to description of the present utility model; and it is nonrestrictive; those skilled in the art is understood, and can carry out many modifications, variation or equivalence to it within spirit that claim limits and scope, but they will fall in the protection domain of the present utility model all.
Claims (7)
1, a kind of alternative light source is characterized in that, comprises the encapsulation plane of a plurality of carrying light emitting diodes, and each encapsulation plane is provided with circuit board, and the light emitting diode of different wave length is arranged on the different encapsulation plane, is electrically connected with circuit board; Be coupled in the optical fiber after the output light process collector lens group focusing of each light emitting diode, the shaping, the output port of described optical fiber integrates, and forms a leaded light delivery outlet; A shaping lens group is set before the described leaded light delivery outlet.
2, alternative light source as claimed in claim 1 is characterized in that, described circuit board all is connected to a multi-gear switch.
3, alternative light source as claimed in claim 1 is characterized in that, described light emitting diode is the visible light emitting diode of different wave length, the UV LED of different wave length and the infrarede emitting diode of different wave length.
4, alternative light source as claimed in claim 1 is characterized in that, is provided with fin behind described each encapsulation plane.
5, alternative light source as claimed in claim 1 is characterized in that, also is provided with the aperture that can supply described optical fiber to pass through on described each encapsulation plane.
6, alternative light source as claimed in claim 2 is characterized in that, described alternative light source also comprises rechargeable battery or battery, and described multi-gear switch is electrically connected with described rechargeable battery or battery.
7, alternative light source as claimed in claim 2 is characterized in that, described alternative light source also comprises power-conditioning device, and described power-conditioning device connects civil power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920107417U CN201377689Y (en) | 2009-04-20 | 2009-04-20 | Multi-band light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920107417U CN201377689Y (en) | 2009-04-20 | 2009-04-20 | Multi-band light source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201377689Y true CN201377689Y (en) | 2010-01-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920107417U Expired - Fee Related CN201377689Y (en) | 2009-04-20 | 2009-04-20 | Multi-band light source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201377689Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103591892A (en) * | 2013-11-27 | 2014-02-19 | 湖北警官学院 | Portable multiband light source three-dimension on-site survey evidence obtaining device and evident obtaining method |
| CN107191813A (en) * | 2017-06-01 | 2017-09-22 | 四会市恒星智能科技有限公司 | Protection type Portable lighting device |
| CN109143790A (en) * | 2018-08-09 | 2019-01-04 | 合肥芯碁微电子装备有限公司 | A kind of control circuit for maskless photoetching machine two waveband UV light source |
| CN110299353A (en) * | 2019-07-24 | 2019-10-01 | 江苏欧密格光电科技股份有限公司 | A kind of multiwave miniature LED transmitting surface-mounted device |
-
2009
- 2009-04-20 CN CN200920107417U patent/CN201377689Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103591892A (en) * | 2013-11-27 | 2014-02-19 | 湖北警官学院 | Portable multiband light source three-dimension on-site survey evidence obtaining device and evident obtaining method |
| CN103591892B (en) * | 2013-11-27 | 2016-08-31 | 湖北警官学院 | A kind of Portable multi-waveband light source three-dimensional reconnaissance at criminal scene forensics instrument and evidence collecting method |
| CN107191813A (en) * | 2017-06-01 | 2017-09-22 | 四会市恒星智能科技有限公司 | Protection type Portable lighting device |
| CN109143790A (en) * | 2018-08-09 | 2019-01-04 | 合肥芯碁微电子装备有限公司 | A kind of control circuit for maskless photoetching machine two waveband UV light source |
| CN110299353A (en) * | 2019-07-24 | 2019-10-01 | 江苏欧密格光电科技股份有限公司 | A kind of multiwave miniature LED transmitting surface-mounted device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 102249 Beijing city Changping District Road No. 27 Patentee after: China University of Political Science and Law Address before: 100088 Beijing city Haidian District Xitucheng Road No. 25, building 3, room 101 Patentee before: China University of Political Science and Law |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100106 Termination date: 20170420 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |