CN203981957U - A kind of laser variable-focus illumination module of optical axis fine setting - Google Patents
A kind of laser variable-focus illumination module of optical axis fine setting Download PDFInfo
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- CN203981957U CN203981957U CN201420433547.6U CN201420433547U CN203981957U CN 203981957 U CN203981957 U CN 203981957U CN 201420433547 U CN201420433547 U CN 201420433547U CN 203981957 U CN203981957 U CN 203981957U
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- 230000003287 optical effect Effects 0.000 title claims abstract description 89
- 238000005286 illumination Methods 0.000 title claims abstract description 47
- 239000004065 semiconductor Substances 0.000 claims abstract description 43
- 230000009347 mechanical transmission Effects 0.000 claims description 18
- 238000007493 shaping process Methods 0.000 claims description 10
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 abstract description 7
- 230000001105 regulatory effect Effects 0.000 abstract description 5
- 230000013011 mating Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 150000001875 compounds Chemical class 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
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Abstract
The utility model relates to 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 control optical frames group, semiconductor laser leading portion is provided with collimating optics mirror group, homogenize expanded beam optics mirror group, angle control optical frames group successively, semiconductor laser lower end is provided with optical axis micromatic setting, optical axis micromatic setting comprises upper and lower two back up pads, between two back up pads, by two or more spring screws, connects.The utility model regulating spring screw, changes the levelness of optical axis micromatic setting, and then changes the levelness of semiconductor laser, adjusts the optical axis direction of laser variable-focus illumination module, makes it coaxial with the camera lens optical axis direction of video camera.The utility model is realized the light angle of laser variable-focus illumination module and mating of camera lens field angle, changes the light angle of laser variable-focus illumination module, realizes monitoring without blind angle of night, avoids lighting blind zone and " electric torch effect ".
Description
Technical field
The utility model relates to a kind of laser variable-focus illumination module of optical axis fine setting, belongs to laser illuminator system field.
Background technology
The market development of security protection video monitoring is rapid, and high-definition video monitoring has slowly replaced 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 to night vision light filling, illumination is had higher requirement.The illumination of traditional infrared LED 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, discloses especially 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 successively shaping optical devices, has the compound lens of positive light coke, light source S after shaping is positioned on the optical axis of compound lens, and and the interval L between compound lens meets: 0≤L≤F, the focal length that wherein F is 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 this patent can not realize the optical axis of laser illuminator and the optical axis of camera lens remains consistent.
Because laser illuminator and camera lens are used in conjunction with, need the light angle of laser variable-focus illumination module and mating of 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 utility model discloses a kind of laser variable-focus illumination module of optical axis fine setting.
Optical axis micromatic setting in the utility model can be realized 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, with the variation of camera lens field angle, change the light angle of laser variable-focus illumination module, realize monitoring without blind angle of night.
The technical solution of the utility model 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 control optical frames group, described semiconductor laser leading portion is provided with described collimating optics mirror group, homogenize expanded beam optics mirror group, angle control 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, between two described back up pads, by two or more spring screws, connects.
Described collimating optics mirror group is to the operation that collimates of semiconductor laser hot spot; Described homogenize expanded beam optics mirror group is carried out homogenize and expands the semiconductor laser hot spot through alignment procedure; Described angle is controlled optical frames group semiconductor laser is compressed, and changes the angle of described laser variable-focus illumination module illuminating bundle, and it is mated with camera lens field angle; Described optical axis micromatic setting is by regulating described spring screw, change the levelness of described optical axis micromatic setting, and then the levelness of the semiconductor laser described in changing, the optical axis direction of the laser variable-focus illumination module described in adjusting, makes it coaxial with camera lens optical axis direction.
Preferred according to the utility model, the laser variable-focus illumination module of described optical axis fine setting also comprises mechanical transmission mechanism and motor, described mechanical transmission mechanism connects described motor, described homogenize expanded beam optics mirror group is provided with the described mechanical transmission mechanism that drives 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 that described angle is controlled optical frames group.
Described motor is by driving described mechanical transmission mechanism that described homogenize expanded beam optics mirror group is moved forward and backward, homogenize expanded beam optics mirror group described in changing and described angle are controlled the distance between optical frames group, thereby change the ratio of compression of the semiconductor laser angle of divergence, realize zoom illumination.
Preferred according to the utility model, 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 utility model, described collimating optics mirror group is post lens combination.
Preferred according to the utility model, 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 utility model, described angle is controlled the beam shaping lens that optical frames group is F=1, and described F is the F number of described beam shaping lens.
Preferred according to the utility model, described optical axis micromatic setting is manual adjustments or self-checking device.
The beneficial effects of the utility model are:
1, the utility model is realized the light angle of laser variable-focus illumination module and mating of camera lens field angle, with the variation of camera lens field angle, change the light angle of laser variable-focus illumination module, realize monitoring without blind angle of night, avoid lighting blind zone and " electric torch effect ";
2, regulate described spring screw, change the levelness of optical axis micromatic setting, and then change the levelness of described semiconductor laser, adjust the optical axis direction of described laser variable-focus illumination module, make it coaxial with the camera lens optical axis direction of video camera.
Accompanying drawing explanation
Fig. 1 is principle schematic of the present utility model.
Fig. 2 is structural representation of the present utility model.
Wherein, 1, semiconductor laser, 2, heat abstractor, 3, collimating optics mirror group, 4, homogenize expanded beam optics mirror group, 5, angle controls 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 utility model is described in further detail, but be not limited to this.
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 control 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 control 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, between two described back up pads, by two spring screws 9, connects.
The operation that collimates of described 3 pairs of semiconductor laser hot spots of collimating optics mirror group; The semiconductor laser hot spot of described 4 pairs of process alignment procedures of homogenize expanded beam optics mirror group carries out homogenize and expands; Described angle is controlled 5 pairs of semiconductor lasers of optical frames group and is compressed, and changes the angle of described laser variable-focus illumination module illuminating bundle, and it is mated with camera lens field angle; Described optical axis micromatic setting 8 is by regulating described spring screw 9, change the levelness of optical axis micromatic setting 8, and then the levelness of the semiconductor laser 1 described in changing, the optical axis direction of the laser variable-focus illumination module described in adjusting, 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 that drives 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 that described angle is controlled optical frames group 5.
Described motor 7 is by driving described mechanical transmission mechanism 5 that described homogenize expanded beam optics mirror group 4 is moved forward and backward, homogenize expanded beam optics mirror group 4 described in changing and described angle are controlled the distance between optical frames group 5, thereby 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 is controlled the beam shaping lens that optical frames group 5 is 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 control 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 control 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, between two described back up pads, by two spring screws 9, connects.
The operation that collimates of described 3 pairs of semiconductor laser hot spots of collimating optics mirror group; The semiconductor laser hot spot of described 4 pairs of process alignment procedures of homogenize expanded beam optics mirror group carries out homogenize and expands; Described angle is controlled 5 pairs of semiconductor lasers of optical frames group and is compressed, and changes the angle of described laser variable-focus illumination module illuminating bundle, and it is mated with camera lens field angle; Described optical axis micromatic setting 8 is by regulating described spring screw 9, change the levelness of optical axis micromatic setting 8, and then the levelness of the semiconductor laser 1 described in changing, the optical axis direction of the laser variable-focus illumination module described in adjusting, 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 that drives 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 that described angle is controlled optical frames group 5.
Described motor 7 is by driving described mechanical transmission mechanism 5 that described homogenize expanded beam optics mirror group 4 is moved forward and backward, homogenize expanded beam optics mirror group 4 described in changing and described angle are controlled the distance between optical frames group 5, thereby 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 is controlled the beam shaping lens that optical frames group 5 is F=1, and described F is the F number of described beam shaping lens.
Described optical axis micromatic setting 8 is self-checking device.
Claims (7)
1. the laser variable-focus illumination module of optical axis fine setting, comprise semiconductor laser, collimating optics mirror group, homogenize expanded beam optics mirror group, angle control optical frames group, described semiconductor laser leading portion is provided with collimating optics mirror group, homogenize expanded beam optics mirror group, angle control 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, between two described back up pads, by two or more spring screws, connects.
2. the laser variable-focus illumination module that a kind of optical axis according to claim 1 is finely tuned, it is characterized in that, the laser variable-focus illumination module of described optical axis fine setting also comprises mechanical transmission mechanism and motor, described mechanical transmission mechanism connects described motor, described homogenize expanded beam optics mirror group is provided with the described mechanical transmission mechanism that drives 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 that described angle is controlled optical frames group.
3. the laser variable-focus illumination module of a kind of optical axis fine setting according to claim 1, 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.
4. according to the laser variable-focus illumination module of a kind of optical axis fine setting described in claim 1-3 any one, it is characterized in that, described collimating optics mirror group is post lens combination.
5. according to the laser variable-focus illumination module of a kind of optical axis fine setting described in claim 1-3 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.
6. according to the laser variable-focus illumination module of a kind of optical axis fine setting described in claim 1-3 any one, it is characterized in that, described angle is controlled the beam shaping lens that optical frames group is F=1, and described F is the F number of described beam shaping lens.
7. according to the laser variable-focus illumination module of a kind of optical axis fine setting described in claim 1-3 any one, it is characterized in that, described optical axis micromatic setting is manual adjustments or self-checking device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420433547.6U CN203981957U (en) | 2014-08-01 | 2014-08-01 | A kind of laser variable-focus illumination module of optical axis fine setting |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420433547.6U CN203981957U (en) | 2014-08-01 | 2014-08-01 | A kind of laser variable-focus illumination module of optical axis fine setting |
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| CN203981957U true CN203981957U (en) | 2014-12-03 |
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| CN201420433547.6U Expired - Lifetime CN203981957U (en) | 2014-08-01 | 2014-08-01 | A kind of laser variable-focus illumination module of optical axis fine setting |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104849845A (en) * | 2015-05-22 | 2015-08-19 | 山东神戎电子股份有限公司 | High-definition wide-angle zooming laser illuminator |
| CN109709687A (en) * | 2018-12-29 | 2019-05-03 | 深圳市同为数码科技股份有限公司 | A kind of regulating mechanism and optical axis adjustment means and method of adjustment |
| CN110312064A (en) * | 2019-07-10 | 2019-10-08 | 十里泉科技(重庆)有限公司 | A kind of high-definition monitoring system of town road |
-
2014
- 2014-08-01 CN CN201420433547.6U patent/CN203981957U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104849845A (en) * | 2015-05-22 | 2015-08-19 | 山东神戎电子股份有限公司 | High-definition wide-angle zooming laser illuminator |
| CN104849845B (en) * | 2015-05-22 | 2017-07-04 | 山东神戎电子股份有限公司 | High definition wide-angle Zoom laser illuminator |
| CN109709687A (en) * | 2018-12-29 | 2019-05-03 | 深圳市同为数码科技股份有限公司 | A kind of regulating mechanism and optical axis adjustment means and method of adjustment |
| CN110312064A (en) * | 2019-07-10 | 2019-10-08 | 十里泉科技(重庆)有限公司 | A kind of high-definition monitoring system of town road |
| CN110312064B (en) * | 2019-07-10 | 2020-09-11 | 十里泉科技(重庆)有限公司 | High definition monitored control system of town road |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Tianchen Avenue high tech Zone of Ji'nan City, Shandong Province, No. 1835 250101 Patentee after: SHANDONG HUAGUANG OPTOELECTRONICS Co.,Ltd. Address before: Tianchen Avenue high tech Zone of Ji'nan City, Shandong Province, No. 1835 250101 Patentee before: Shandong Huaguang Optoelectronics Co.,Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20141203 |
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| CX01 | Expiry of patent term |