CN105301749A - Laser zoom lighting module with optic axis fine adjustment and applications thereof - Google Patents
Laser zoom lighting module with optic axis fine adjustment and applications thereof Download PDFInfo
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- CN105301749A CN105301749A CN201410377612.2A CN201410377612A CN105301749A CN 105301749 A CN105301749 A CN 105301749A CN 201410377612 A CN201410377612 A CN 201410377612A CN 105301749 A CN105301749 A CN 105301749A
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Abstract
The invention relates to a laser zoom lighting module with optic axis fine adjustment, which comprises a semiconductor laser, a collimation optical lens group, an uniform beam expanding optical lens group, and an angle control optical lens group, wherein the front section of the semiconductor laser is sequentially provided with the collimation optical lens group, the uniform beam expanding optical lens group and the angle control optical lens group; the lower end of the semiconductor laser is provided with an optic axis fine adjustment device; the optic axis fine adjustment device comprises an upper supporting plate and a lower supporting plate; and the two supporting plates are connected via a spring screw. Through adjusting the spring screw, levelness of the optic axis fine adjustment device is changed, the levelness of the semiconductor laser is further changed, the optic axis direction of the laser zoom lighting module is adjusted, and the optic axis direction is coaxial with the lens optic axis direction of the camera. Matching between the lighting angle of the laser zoom lighting module and a view field angle of the camera lens is realized, the lighting angle of the laser zoom lighting module is changed, non-blind angle monitoring at night is realized, and a lighting blind area and flashlight effects are avoided.
Description
Technical field
The present invention relates to laser variable-focus illumination module and the application thereof of the fine setting of a kind of optical axis, belong to laser illuminator system field.
Background technology
Security protection video monitoring market development is rapid, and high-definition video monitoring slowly instead of SD video monitoring.The arrival in high definition epoch, indicates the universal of 1,000,000 grades of high-definition cameras; Because low-light (level) aspect is poorer than analog video camera, just the illumination of night vision light filling is had higher requirement.Traditional Infrared LED illumination has been difficult to meet the requirement of high-definition night-viewing monitoring, and semiconductor laser lighting has that volume is little, power is high, illumination distances is far away, disguise is strong, the life-span is long and the feature such as energy-conserving and environment-protective, has been widely used in night vision illumination field.
Chinese patent literature CN2906316Y discloses a kind of application technology of semiconductor laser, particularly discloses a kind of for Zooming apparatus of long-distance large-range semiconductor laser lighting device.This Zooming apparatus of long-distance large-range semiconductor laser lighting device comprises semiconductor laser, its special character is: the front end of described semiconductor laser is provided with a shaping optics successively, has the compound lens of positive light coke, light source S after shaping is positioned on the optical axis of compound lens, and and interval L between compound lens meet: 0≤L≤F, wherein F is the focal length of compound lens; The lower end of described compound lens is provided with a mechanical transmission mechanism, and mechanical transmission mechanism is connected with motor.But the optical axis of optical axis and camera lens that this patent can not realize laser illuminator remains consistent.
Because laser illuminator and camera lens with the use of, need mating of the light angle of laser variable-focus illumination module and camera lens field angle, the optical axis of laser illuminator needs to remain consistent with the optical axis of camera lens, could realize good light filling illumination.
Summary of the invention
For the deficiencies in the prior art, the invention discloses the laser variable-focus illumination module of a kind of optical axis fine setting.
The invention also discloses a kind of application of above-mentioned laser variable-focus illumination module.
Optical axis micromatic setting in the present invention can realize the optical axis fine setting of laser variable-focus illumination module and camera lens, regulative mode is manual adjustments or motorized adjustment, realize the light angle of laser variable-focus illumination module and mating of camera lens field angle, change the light angle of laser variable-focus illumination module with the change of camera lens field angle, realize monitoring without blind angle of night.
Technical solution of the present invention is as follows:
A kind of laser variable-focus illumination module of optical axis fine setting, comprise semiconductor laser, collimating optics mirror group, homogenize expanded beam optics mirror group, Angle ambiguity optical frames group, described semiconductor laser leading portion is provided with described collimating optics mirror group, homogenize expanded beam optics mirror group, Angle ambiguity optical frames group successively, described semiconductor laser lower end is provided with optical axis micromatic setting, described optical axis micromatic setting comprises upper and lower two back up pads, is connected between two described back up pads by spring screw.
Preferred according to the present invention, described collimating optics mirror group carries out alignment procedure to semiconductor laser hot spot; Described homogenize expanded beam optics mirror group is carried out homogenize to the semiconductor laser hot spot through alignment procedure and expands; Described Angle ambiguity optical frames group is compressed semiconductor laser, and the angle of the laser variable-focus illumination module illuminating bundle described in change, makes it mate with camera lens field angle; Described optical axis micromatic setting is by the spring screw described in adjustment, the levelness of the optical axis micromatic setting described in change, and then the levelness of semiconductor laser described in changing, the optical axis direction of the laser variable-focus illumination module described in adjustment, makes it coaxial with camera lens optical axis direction.
Preferred according to the present invention, the laser variable-focus illumination module of described optical axis fine setting also comprises mechanical transmission mechanism and motor, motor described in described mechanical transmission mechanism connects, described homogenize expanded beam optics mirror group is provided with the described mechanical transmission mechanism driving its controlled movement, and the displacement of described homogenize expanded beam optics mirror group is less than or equal to the rear cut-off distance L of described Angle ambiguity optical frames group.
Described motor makes described homogenize expanded beam optics mirror group move forward and backward by the mechanical transmission mechanism described in driving, homogenize expanded beam optics mirror group described in change and the distance between described Angle ambiguity optical frames group, thus change the ratio of compression of the semiconductor laser angle of divergence, realize zoom illumination.
Preferred according to the present invention, the laser variable-focus illumination module of described optical axis fine setting also comprises heat abstractor, and described semiconductor laser rear end is fixedly installed described heat abstractor.
Preferred according to the present invention, described collimating optics mirror group is post lens combination.
Preferred according to the present invention, described homogenize expanded beam optics mirror group is texturing glass or resin homogenize sheet, and described homogenize expanded beam optics mirror group forms microlens array.
Preferred according to the present invention, described Angle ambiguity optical frames group is the beam shaping lens of F=1, and described F is the F number of described beam shaping lens.
Preferred according to the present invention, described optical axis micromatic setting is manual adjustments or self-checking device.
An application for above-mentioned laser variable-focus illumination module, concrete steps comprise:
(1) semiconductor laser described in is stimulated generation semiconductor laser:
(2) the collimating optics mirror group described in carries out alignment procedure to the semiconductor laser hot spot that step (2) produces;
(3) the homogenize expanded beam optics mirror group described in is carried out homogenize to the semiconductor laser hot spot of step (3) through alignment procedure and expands;
(4) the Angle ambiguity optical frames group described in step (4) through homogenize and the semiconductor laser expanded compress, the angle of the laser variable-focus illumination module illuminating bundle described in change, makes it mate with camera lens field angle;
(5) described motor makes described homogenize expanded beam optics mirror group move forward and backward by the mechanical transmission mechanism described in driving, changed the ratio of compression of the semiconductor laser angle of divergence by the distance changed between described homogenize expanded beam optics mirror group and described Angle ambiguity optical frames group, realize zoom illumination;
(6) regulate described in spring screw, change the levelness of optical axis micromatic setting, and then the levelness of semiconductor laser described in changing, the optical axis direction of the laser variable-focus illumination module described in adjustment, makes it coaxial with camera lens optical axis direction.
Beneficial effect of the present invention is:
1, the present invention realizes the light angle of laser variable-focus illumination module and mating of camera lens field angle, the light angle of laser variable-focus illumination module is changed with the change of camera lens field angle, realize monitoring without blind angle of night, avoid lighting blind zone and " electric torch effect ";
2, regulate described in spring screw, change the levelness of optical axis micromatic setting, and then the levelness of semiconductor laser described in changing, the optical axis direction of the laser variable-focus illumination module described in adjustment, makes it coaxial with the camera lens optical axis direction of video camera.
Accompanying drawing explanation
Fig. 1 is principle schematic of the present invention.
Fig. 2 is structural representation of the present invention.
Wherein, 1, semiconductor laser, 2, heat abstractor, 3, collimating optics mirror group, 4, homogenize expanded beam optics mirror group, 5, Angle ambiguity optical frames group, 6, mechanical transmission mechanism, 7, motor, 8, optical axis micromatic setting, 9, spring screw.
Embodiment
Below in conjunction with embodiment and Figure of description, the invention will be further described, but be not limited thereto.
Embodiment 1
A kind of laser variable-focus illumination module of optical axis fine setting, comprise semiconductor laser 1, collimating optics mirror group 3, homogenize expanded beam optics mirror group 4, Angle ambiguity optical frames group 5, described semiconductor laser 1 leading portion is provided with collimating optics mirror group 3, homogenize expanded beam optics mirror group 4, Angle ambiguity optical frames group 5 successively, described semiconductor laser 1 lower end is provided with optical axis micromatic setting 8, described optical axis micromatic setting 8 comprises upper and lower two back up pads, is connected between two described back up pads by spring screw 9.
Described collimating optics mirror group 3 pairs of semiconductor laser hot spots carry out alignment procedure; Described homogenize expanded beam optics mirror group 4 is carried out homogenize to the semiconductor laser hot spot through alignment procedure and expands; Described Angle ambiguity optical frames group 5 pairs of semiconductor lasers compress, and the angle of the laser variable-focus illumination module illuminating bundle described in change, makes it mate with camera lens field angle; Described optical axis micromatic setting 8 is by the spring screw 9 described in adjustment, change the levelness of optical axis micromatic setting 8, and then the levelness of semiconductor laser 1 described in changing, the optical axis direction of the laser variable-focus illumination module described in adjustment, makes it coaxial with camera lens optical axis direction.
The laser variable-focus illumination module of described optical axis fine setting also comprises mechanical transmission mechanism 6 and motor 7, described mechanical transmission mechanism 6 connects described motor 7, described homogenize expanded beam optics mirror group 4 is provided with the described mechanical transmission mechanism 6 driving its controlled movement, and the displacement of described homogenize expanded beam optics mirror group 4 is less than or equal to the rear cut-off distance L of described Angle ambiguity optical frames group 5.
Described motor 7 makes described homogenize expanded beam optics mirror group 4 move forward and backward by the mechanical transmission mechanism 5 described in driving, homogenize expanded beam optics mirror group 4 described in change and the distance between described Angle ambiguity optical frames group 5, thus change the ratio of compression of the semiconductor laser angle of divergence, realize zoom illumination.
The laser variable-focus illumination module of described optical axis fine setting also comprises heat abstractor 2, and described semiconductor laser 1 rear end is fixedly installed described heat abstractor 2.
Described collimating optics mirror group 3 is post lens combination.
Described homogenize expanded beam optics mirror group 4 is texturing glass, and described homogenize expanded beam optics mirror group 4 forms microlens array.
Described Angle ambiguity optical frames group 5 is the beam shaping lens of F=1, and described F is the F number of described beam shaping lens.
Described optical axis micromatic setting 8 is manual regulating device.
Embodiment 2
A kind of laser variable-focus illumination module of optical axis fine setting, comprise semiconductor laser 1, collimating optics mirror group 3, homogenize expanded beam optics mirror group 4, Angle ambiguity optical frames group 5, described semiconductor laser 1 leading portion is provided with collimating optics mirror group 3, homogenize expanded beam optics mirror group 4, Angle ambiguity optical frames group 5 successively, described semiconductor laser 1 lower end is provided with optical axis micromatic setting 8, described optical axis micromatic setting 8 comprises upper and lower two back up pads, is connected between two described back up pads by spring screw 9.
Described collimating optics mirror group 3 pairs of semiconductor laser hot spots carry out alignment procedure; Described homogenize expanded beam optics mirror group 4 is carried out homogenize to the semiconductor laser hot spot through alignment procedure and expands; Described Angle ambiguity optical frames group 5 pairs of semiconductor lasers compress, and the angle of the laser variable-focus illumination module illuminating bundle described in change, makes it mate with camera lens field angle; Described optical axis micromatic setting 8 is by the spring screw 9 described in adjustment, change the levelness of optical axis micromatic setting 8, and then the levelness of semiconductor laser 1 described in changing, the optical axis direction of the laser variable-focus illumination module described in adjustment, makes it coaxial with camera lens optical axis direction.
The laser variable-focus illumination module of described optical axis fine setting also comprises mechanical transmission mechanism 6 and motor 7, described mechanical transmission mechanism 6 connects described motor 7, described homogenize expanded beam optics mirror group 4 is provided with the described mechanical transmission mechanism 6 driving its controlled movement, and the displacement of described homogenize expanded beam optics mirror group 4 is less than or equal to the rear cut-off distance L of described Angle ambiguity optical frames group 5.
Described motor 7 makes described homogenize expanded beam optics mirror group 4 move forward and backward by the mechanical transmission mechanism 5 described in driving, homogenize expanded beam optics mirror group 4 described in change and the distance between described Angle ambiguity optical frames group 5, thus change the ratio of compression of the semiconductor laser angle of divergence, realize zoom illumination.
The laser variable-focus illumination module of described optical axis fine setting also comprises heat abstractor 2, and described semiconductor laser 1 rear end is fixedly installed described heat abstractor 2.
Described collimating optics mirror group 3 is post lens combination.
Described homogenize expanded beam optics mirror group 4 is resin homogenize sheet, and described homogenize expanded beam optics mirror group 4 forms microlens array.
Described Angle ambiguity optical frames group 5 is the beam shaping lens of F=1, and described F is the F number of described beam shaping lens.
Described optical axis micromatic setting 8 is self-checking device.
Embodiment 3
An application for above-described embodiment 1 or the laser variable-focus illumination module described in embodiment 2, concrete steps comprise:
(1) semiconductor laser 1 described in is stimulated generation semiconductor laser:
(2) the semiconductor laser hot spot that the 3 pairs of steps (2) of the collimating optics mirror group described in produce carries out alignment procedure;
(3) the homogenize expanded beam optics mirror group 4 pairs of steps (3) described in are carried out homogenize through the semiconductor laser hot spot of alignment procedure and expand;
(4) the 5 pairs of steps (4) of the Angle ambiguity optical frames group described in through homogenize and the semiconductor laser expanded compress, the angle of the laser variable-focus illumination module illuminating bundle described in change, makes it mate with camera lens field angle;
(5) described motor 7 makes described homogenize expanded beam optics mirror group 4 move forward and backward by the mechanical transmission mechanism 6 described in driving, changed the ratio of compression of the semiconductor laser angle of divergence by the distance changed between described homogenize expanded beam optics mirror group 4 and described Angle ambiguity optical frames group 5, realize zoom illumination;
(6) regulate described in spring screw 9, change the levelness of optical axis micromatic setting 8, and then the levelness of semiconductor laser 1 described in changing, the optical axis direction of the laser variable-focus illumination module described in adjustment, makes it coaxial with camera lens optical axis direction.
Claims (9)
1. the laser variable-focus illumination module of an optical axis fine setting, comprise semiconductor laser, collimating optics mirror group, homogenize expanded beam optics mirror group, Angle ambiguity optical frames group, described semiconductor laser leading portion is provided with collimating optics mirror group, homogenize expanded beam optics mirror group, Angle ambiguity optical frames group successively, it is characterized in that, described semiconductor laser lower end is provided with optical axis micromatic setting, described optical axis micromatic setting comprises upper and lower two back up pads, is connected between two described back up pads by spring screw.
2. the laser variable-focus illumination module of a kind of optical axis fine setting according to claim 1, it is characterized in that, described collimating optics mirror group carries out alignment procedure to semiconductor laser hot spot; Described homogenize expanded beam optics mirror group is carried out homogenize to the semiconductor laser hot spot through alignment procedure and expands; Described Angle ambiguity optical frames group is compressed semiconductor laser, and the angle of the laser variable-focus illumination module illuminating bundle described in change, makes it mate with camera lens field angle; Described optical axis micromatic setting is by the spring screw described in adjustment, change the levelness of optical axis micromatic setting, and then the levelness of semiconductor laser described in changing, the optical axis direction of the laser variable-focus illumination module described in adjustment, makes it coaxial with camera lens optical axis direction.
3. the laser variable-focus illumination module of a kind of optical axis fine setting according to claim 1, it is characterized in that, the laser variable-focus illumination module of described optical axis fine setting also comprises mechanical transmission mechanism and motor, motor described in described mechanical transmission mechanism connects, described homogenize expanded beam optics mirror group is provided with the described mechanical transmission mechanism driving its controlled movement, and the displacement of described homogenize expanded beam optics mirror group is less than or equal to the rear cut-off distance L of described Angle ambiguity optical frames group.
4. the laser variable-focus illumination module of a kind of optical axis fine setting according to claim 3, is characterized in that, the laser variable-focus illumination module of described optical axis fine setting also comprises heat abstractor, and described semiconductor laser rear end is fixedly installed described heat abstractor.
5. the laser variable-focus illumination module of a kind of optical axis fine setting according to claim 1-4 any one, it is characterized in that, described collimating optics mirror group is post lens combination.
6. the laser variable-focus illumination module of a kind of optical axis fine setting according to claim 1-4 any one, it is characterized in that, described homogenize expanded beam optics mirror group is texturing glass or resin homogenize sheet, and described homogenize expanded beam optics mirror group forms microlens array.
7. the laser variable-focus illumination module of a kind of optical axis fine setting according to claim 1-4 any one, it is characterized in that, described Angle ambiguity optical frames group is the beam shaping lens of F=1, and described F is the F number of described beam shaping lens.
8. the laser variable-focus illumination module of a kind of optical axis fine setting according to claim 1-4 any one, it is characterized in that, described optical axis micromatic setting is manual adjustments or self-checking device.
9. an application for a kind of laser variable-focus illumination module described in the claims 3, it is characterized in that, concrete steps comprise:
(1) semiconductor laser described in is stimulated generation semiconductor laser:
(2) the collimating optics mirror group described in carries out alignment procedure to the semiconductor laser hot spot that step (2) produces;
(3) the homogenize expanded beam optics mirror group described in is carried out homogenize to the semiconductor laser hot spot of step (3) through alignment procedure and expands;
(4) the Angle ambiguity optical frames group described in step (4) through homogenize and the semiconductor laser expanded compress, the angle of the laser variable-focus illumination module illuminating bundle described in change, makes it mate with camera lens field angle;
(5) described motor makes described homogenize expanded beam optics mirror group move forward and backward by the mechanical transmission mechanism described in driving, changed the ratio of compression of the semiconductor laser angle of divergence by the distance changed between described homogenize expanded beam optics mirror group and described Angle ambiguity optical frames group, realize zoom illumination;
(6) regulate described in spring screw, change the levelness of optical axis micromatic setting, and then the levelness of semiconductor laser described in changing, the optical axis direction of the laser variable-focus illumination module described in adjustment, makes it coaxial with camera lens optical axis direction.
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| CN201410377612.2A CN105301749A (en) | 2014-08-01 | 2014-08-01 | Laser zoom lighting module with optic axis fine adjustment and applications thereof |
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| CN201410377612.2A CN105301749A (en) | 2014-08-01 | 2014-08-01 | Laser zoom lighting module with optic axis fine adjustment and applications thereof |
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Cited By (4)
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| CN106611935A (en) * | 2016-12-27 | 2017-05-03 | 中国科学院长春光学精密机械与物理研究所 | Full-semiconductor laser light source device for underwater laser illumination |
| CN108181724A (en) * | 2018-02-11 | 2018-06-19 | 吉林省威科拓科技有限公司 | For the high zoom ratio laser illumination system of security protection night vision |
| CN108449547A (en) * | 2018-02-01 | 2018-08-24 | 北京集光通达科技股份有限公司 | Control method, night vision system, storage medium and the processor of night vision system |
| CN108458320A (en) * | 2018-02-08 | 2018-08-28 | 深圳新亮智能技术有限公司 | A kind of electric variable coke light-source system |
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Application publication date: 20160203 |