CN102425764A - Automatic regulation device for optical axis of laser illuminator - Google Patents
Automatic regulation device for optical axis of laser illuminator Download PDFInfo
- Publication number
- CN102425764A CN102425764A CN2011102977525A CN201110297752A CN102425764A CN 102425764 A CN102425764 A CN 102425764A CN 2011102977525 A CN2011102977525 A CN 2011102977525A CN 201110297752 A CN201110297752 A CN 201110297752A CN 102425764 A CN102425764 A CN 102425764A
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- complete machine
- machine base
- optical axis
- laser beam
- beam expander
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Abstract
The invention discloses an automatic regulation device for an optical axis of a laser illuminator and belongs to electromechanics. A lens returning signal enters a microcomputer processing chip after being subjected to digital signal level switch; then the lens returning signal is processed by a signal algorithm; a stepping motor is controlled to control the optical axis fine tuning device of the laser illuminator; the stepping motor with a gear and a retarder is fixed on the base of the complete machine by virtue of a motor bracket; a front baffle and a rear baffle are connected with a top cover and the base of the complete machine; a laser expander is connected with a gear shaft by virtue of a tray; and a bolt is fastened. The connection mode is simple and reliable, and the shaft shoulder of a gear is provided with a bearing so as to furthest reduce the friction, prolong the service life and improve the precision.
Description
Technical field
The present invention relates to a kind of light angle adjusting device, particularly a kind of laser illuminator optical axis self-checking device refers to a kind of laser illuminator optical axis self-checking device that can regulate optical axis angle and realize angular adjustment and zoom adjusted in concert especially.
Background technology
At present, in the night video monitoring,, do not reach the purpose of supervision, therefore, need the booster action of laser illuminator owing to receive the restriction of light luminance.But, in luminaire focusing process, by closely in remote process; Guaranteeing that the illumination hot spot is under the closely situation of camera field of view central authorities; When accommodating to the above illumination distances of 3km, the optical axis of its luminaire and camera photography center have produced the deviation of an angle, and the hot spot that causes throwing light on departs from the camera field of view middle position; In actual focusing process, be difficult to guarantee that hot spot remains at camera field of view central authorities; Normally through manual adjustments level and luffing angle, but can't accomplish that angular adjustment and zoom are synchronous, how eliminate this angular deviation and the realization adjusted in concert is a problem to be solved by this invention.
Summary of the invention
The object of the present invention is to provide a kind of laser illuminator optical axis self-checking device,, realize the function of optical axis and camera lens zoom adjusted in concert through the deflection angle of electronic control laser illuminator optical axis,
Overcome existing laser illuminator optical axis regulate can't with the electronic synchronous deficiency of zoom process, this device can not only realize regulating the requirement of optical axis angle, and has realized angle and the electronic adjusted in concert of zoom process.
The present invention realizes through following control method: through camera lens is set; Make camera lens regularly return real-time lens position signal; This signal is followed and is sent high d agreement (PELCO-d), passes to the single-chip micro computer through the digital signal level conversion, after the single-chip micro computer receives one group of useful signal; Drive (protection) signal in conjunction with natural environment single-chip micro computer automation output and give motor drive ic; Through controlling its motor drive ic, Synchronization Control stepper motor in zoom is consequently controlled laser illuminator optical axis self-checking device; Realize optical axis and camera lens zoom adjusted in concert, and the final control that realizes laser illuminator optical axis self-checking device.The mirror holder complete machine base that its mechanical part comprises top laser beam expander pallet and is mounted thereon; By complete machine base and the frame structure that constitutes of baffle plate and upper cover plate all around, to be used to support laser beam expander pallet and mirror holder complete machine base; Be used for the slewing equipment of driving laser beam expander pallet and mirror holder complete machine base, it is fixed on the driven gear that is meshed on the gear shaft, with driving gear by the driving gear of stepper motor, decelerator and axle head thereof, and concrete structure is:
Be fixed with a framework on the complete machine base; This framework is respectively by front apron, backboard, left side baffle plate; Right side baffle plate and upper cover plate are formed; Being fixedly connected through slotted pan head screw is a framework overall structure, is shaped on two installing holes up and down that are used for the mounting teeth wheel shaft between the base plate of complete machine base and the upper cover plate of framework, and the shoulder of gear shaft is equipped with ball bearing.
The complete machine base is provided with one by the driving gear and the gear shaft of stepper motor, decelerator and axle head thereof and be fixed on the slewing equipment that the driven gear on the gear shaft constitutes; Wherein, the stepper motor that is used to drive decelerator is fixed on complete machine complete machine base through electric machine support.
Be fixed with the driven gear that is meshed with decelerator axle head driving gear on the gear shaft.
The gear shaft top is connected with the laser beam expander pallet through slotted pan head screw; And mirror holder complete machine base is fixed on the laser beam expander pallet through the cross sunk screw; Mirror holder complete machine base is provided with convenient a plurality of installing holes that laser beam expander is installed, and uses that through slotted pan head screw laser beam expander is fixed on the mirror holder complete machine base.
The invention has the advantages that: the present invention realizes the function of optical axis and camera lens zoom adjusted in concert through the deflection angle of electronic control optical axis, and whole device adopts conventional equipment; Simple in structure, the processing and manufacturing cost is low, and it is high to regulate rear stability; Volume is little, convenience simple to operation.
Description of drawings
Fig. 1 is an adjusted in concert lighting device angle theory diagram of the present invention.
Fig. 2 is the structural front view sketch map of the specific embodiment of the invention.
Fig. 3 is the structure vertical view sketch map of the specific embodiment of the present invention.
Sequence number implication among the figure: A. single-chip micro computer, B. lens position signal, the conversion of C. digital signal level, D. motor drive ic, E. laser illuminator optical axis self-checking device;
1. complete machine base, 2. front apron, 3. backboard, 4. left side baffle plate, 5. right side baffle plate, 6. upper cover plate, 7. motor, 8. motor reducer, 9. driving gear, 10. driven gear, 11. gear shafts, 12. slotted pan head screws, 13. cross sunk screws, 14. electric machine supports, 15. ball bearings, 16. laser beam expander pallets, 17. mirror holder complete machine bases.
The specific embodiment
Shown in accompanying drawing 1 to accompanying drawing 3; Be respectively adjusted in concert lighting device of the present invention automatically angle theory diagram, the structural front view sketch map of the specific embodiment and the structure vertical view sketch map of the specific embodiment of the present invention of control, this automatic circuit control section is to be core with single-chip micro computer A, through camera lens is set; Make camera lens regularly return real-time lens position signal B; This signal is followed and is sent high d agreement (PELCO-d), and C passes to single-chip micro computer A through the digital signal level conversion, after single-chip micro computer A receives one group of useful signal; Drive (protection) signal in conjunction with natural environment single-chip micro computer A automation output; Synchronization Control motor drive ic D when being implemented in zoom, useful signal control motor drive ic realizes that motor rotates, reducer output shaft drives motor gear; Carry out the angular adjustment program, realize control laser illuminator optical axis self-checking device E.
Laser illuminator optical axis self-checking device mainly comprises: laser beam expander pallet 16 and the mirror holder complete machine base 17 that is mounted thereon; Be used to support laser beam expander pallet 16 and mirror holder complete machine base 17, by complete machine base 1 and the frame structure that constitutes of baffle plate and upper cover plate all around; By the driving gear of stepper motor 7, motor reducer 8 and axle head thereof 9 and gear shaft 11 and be fixed on the slewing equipment that 10 of driven gears on the gear shaft 11 constitute, are used for driving laser beam expander pallet 16 and mirror holder complete machine base 17.
The present invention specifically comprises: be fixed with a framework on the complete machine base 1, this framework is respectively by front apron 2, backboard 3, and left side baffle plate 4, right side baffle plate 5 is formed with upper cover plate 6, and to be fixedly connected through slotted pan head screw 12 be a framework overall structure; Complete machine base 1 be provided with one by the driving gear of stepper motor 7, motor reducer 8 and axle head thereof 9 with gear shaft 11 and be fixed on the slewing equipment that the driven gear 10 on the gear shaft 11 constitutes; Wherein, the stepper motor 7 that is used for drive motors decelerator 8 is fixed on complete machine base 1 through electric machine support 14; 6 of the base plate of complete machine base 1 and the upper cover plates of framework are shaped on the installing hole up and down that is used for mounting teeth wheel shaft 11, and ball bearing 15 is equipped with at the shoulder place of gear shaft 11; Be fixed with the driven gear 10 that is meshed with motor reducer 8 axle head driving gears 9 on the gear shaft 11; Gear shaft 11 tops are connected with laser beam expander pallet 16 through slotted pan head screw 12; And mirror holder complete machine base 17 is fixed on the laser beam expander pallet 16 through cross sunk screw 13; Mirror holder complete machine base 17 is provided with convenient a plurality of installing holes that laser beam expander 16 is installed; Use that through slotted pan head screw 12 laser beam expander 16 is fixed on the mirror holder complete machine base 17,, promptly reach angular adjustment and zoom synchronous progressive at night by any pendulum angle of the rotation of laser beam expander pallet 17.
Claims (4)
1. a laser illuminator optical axis self-checking device is characterized in that comprising: laser beam expander pallet (16) and the mirror holder complete machine base (17) that is mounted thereon; Be used to support laser beam expander pallet (16) and mirror holder complete machine base (17), by complete machine base (1) and the frame structure that constitutes of baffle plate and upper cover plate all around; With gear shaft 12 and be fixed on the driven gear (10) on the gear shaft (11), be configured for the slewing equipment of driving laser beam expander pallet (16) and mirror holder complete machine base (17) by the driving gear (9) of stepper motor (7), motor reducer (8) and axle head thereof.
2. foundation is characterized in that according to the described laser illuminator optical axis of claim 1 self-checking device:
The complete machine base is fixed with a framework on (1), and this framework is respectively by front apron (2), backboard (3), and left side baffle plate (4), right side baffle plate (5) and upper cover plate (6) are formed, and being fixedly connected through slotted pan head screw (12) is a framework overall structure; Be shaped on two installing holes up and down that are used for mounting teeth wheel shaft (11) between the upper cover plate (6) of the base plate of complete machine base (1) and framework, the shoulder of gear shaft (11) is equipped with ball bearing (15).
3. foundation is characterized in that according to the described laser illuminator optical axis of claim 1 self-checking device:
Complete machine base (1) be provided with one by the driving gear (9) of stepper motor (7), motor reducer (8) and axle head thereof with gear shaft (11) and be fixed on the slewing equipment that the driven gear (10) on the gear shaft (11) constitutes; Wherein, the stepper motor (7) that is used to drive decelerator (8) is fixed on complete machine complete machine base (1) through electric machine support (14);
Be fixed with the driven gear (10) that is meshed with motor reducer (8) axle head driving gear (9) on the gear shaft (11).
4. foundation is characterized in that according to the described laser illuminator optical axis of claim 1 self-checking device:
Gear shaft (11) top is connected with laser beam expander pallet (16) through slotted pan head screw (12); And mirror holder complete machine base (17) is fixed on the laser beam expander pallet (16) through cross sunk screw (13); Mirror holder complete machine base (17) is provided with convenient a plurality of installing holes that laser beam expander is installed, and uses that through slotted pan head screw (12) laser beam expander is fixed on the mirror holder complete machine base (17).
5.The self-regulating method of a kind of laser illuminator optical axis; It is characterized in that: with single-chip micro computer (A) is core, through camera lens is set, makes camera lens regularly return real-time lens position signal (B); This signal is followed and is sent high d agreement; Pass to single-chip micro computer (A) through digital signal level conversion (C), after single-chip micro computer (A) receives one group of useful signal, give motor drive ic (D) in conjunction with natural environment single-chip micro computer automation output drive signal; Synchronization Control stepper motor in zoom is realized the control to laser illuminator optical axis self-checking device (E).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110297752 CN102425764B (en) | 2011-09-28 | 2011-09-28 | Automatic regulation device for optical axis of laser illuminator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110297752 CN102425764B (en) | 2011-09-28 | 2011-09-28 | Automatic regulation device for optical axis of laser illuminator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102425764A true CN102425764A (en) | 2012-04-25 |
| CN102425764B CN102425764B (en) | 2013-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110297752 Active CN102425764B (en) | 2011-09-28 | 2011-09-28 | Automatic regulation device for optical axis of laser illuminator |
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| CN (1) | CN102425764B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102620246A (en) * | 2012-04-26 | 2012-08-01 | 长春德信光电技术有限公司 | Optical axis fine tuning device and fine tuning method thereof |
| CN104505999A (en) * | 2014-12-11 | 2015-04-08 | 遵义天义利威机电有限责任公司 | Electric and rotation switching wire feeding device |
| CN105629680A (en) * | 2016-03-30 | 2016-06-01 | 昆山尊宸电子有限公司 | UV-LED mixed wavelength light source system for exposure machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1526733A1 (en) * | 2003-10-21 | 2005-04-27 | Egregore II | Automatic method for controlling the direction of the optical axis and the angle of the field of view of an electronic camera, especially for video surveilance using automatic tracking |
| CN101050843A (en) * | 2007-03-23 | 2007-10-10 | 潘国平 | Optic axis regulator for laser lighting device |
| CN101387747A (en) * | 2008-10-30 | 2009-03-18 | 济南神戎电子有限公司 | Indoor alignment apparatus of laser night vision device |
| CN201212652Y (en) * | 2008-06-12 | 2009-03-25 | 济南神戎电子有限公司 | Optical axis adjusting device of laser illuminator |
| CN202229083U (en) * | 2011-09-28 | 2012-05-23 | 长春德信光电技术有限公司 | Optical axis self-regulating device of laser illuminator |
-
2011
- 2011-09-28 CN CN 201110297752 patent/CN102425764B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1526733A1 (en) * | 2003-10-21 | 2005-04-27 | Egregore II | Automatic method for controlling the direction of the optical axis and the angle of the field of view of an electronic camera, especially for video surveilance using automatic tracking |
| CN101050843A (en) * | 2007-03-23 | 2007-10-10 | 潘国平 | Optic axis regulator for laser lighting device |
| CN201212652Y (en) * | 2008-06-12 | 2009-03-25 | 济南神戎电子有限公司 | Optical axis adjusting device of laser illuminator |
| CN101387747A (en) * | 2008-10-30 | 2009-03-18 | 济南神戎电子有限公司 | Indoor alignment apparatus of laser night vision device |
| CN202229083U (en) * | 2011-09-28 | 2012-05-23 | 长春德信光电技术有限公司 | Optical axis self-regulating device of laser illuminator |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102620246A (en) * | 2012-04-26 | 2012-08-01 | 长春德信光电技术有限公司 | Optical axis fine tuning device and fine tuning method thereof |
| CN104505999A (en) * | 2014-12-11 | 2015-04-08 | 遵义天义利威机电有限责任公司 | Electric and rotation switching wire feeding device |
| CN104505999B (en) * | 2014-12-11 | 2017-11-03 | 遵义天义利威机电有限责任公司 | A kind of electronic rotation suitching type wire-mounting device |
| CN105629680A (en) * | 2016-03-30 | 2016-06-01 | 昆山尊宸电子有限公司 | UV-LED mixed wavelength light source system for exposure machine |
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| Publication number | Publication date |
|---|---|
| CN102425764B (en) | 2013-05-08 |
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