CN201867568U - High-efficient intelligent infrared illuminating system - Google Patents
High-efficient intelligent infrared illuminating system Download PDFInfo
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- CN201867568U CN201867568U CN2010202879330U CN201020287933U CN201867568U CN 201867568 U CN201867568 U CN 201867568U CN 2010202879330 U CN2010202879330 U CN 2010202879330U CN 201020287933 U CN201020287933 U CN 201020287933U CN 201867568 U CN201867568 U CN 201867568U
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- infrared
- angle
- fixed lens
- illumination system
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Abstract
The utility model relates to a high-efficient intelligent infrared illuminating system which belongs to the field of optical-electro-mechanical integration and relates to infrared illuminating systems in the field of security protection monitoring. The system adopts a single high-power infrared light source to match with a variable angle condenser lens, thereby enabling infrared illumination angle to change continuously, realizing synchronization with zooming of a video camera, realizing perfect combination between an illumination region and a monitoring view field under the situations that the distance, the angle and an object change continuously, being the intelligent infrared illuminating system, further reducing the using number of infrared lamps in comparison with an ordinary infrared illuminating component, reducing power consumption, cost and volume and being high-efficient, energy-saving and environment-friendly.
Description
Technical field
The art of this patent belongs to the optical, mechanical and electronic integration field, relates to a kind of infrared illumination system that is used for protection and monitor field, particularly about a kind of infrared illumination system of high efficiency smart.
Technical background
Safety monitoring equipment all needs infrared light supply to carry out floor light when implementing night monitoring, but the synchronous technical barrier of infrared light supply angle and video camera zoom never solves.At present, for Zoom camera, the mode that all adopts many group different angles infrared lamps to cooperatively interact is carried out infrared floor light, is equivalent to whole monitoring range is divided into several zones by the focal length section, is thrown light on by the infrared lamp of one group of fixed angle in each zone.The defective of this scheme is that every group of infrared lamp is responsible for the illumination of zones of different, makes the quantity of infrared lamp increase, and has strengthened power consumption number, cost and the volume of entire product, and still can't realize the synchronous of light source angle and video camera zoom.
The art of this patent adopts single high power infrared lamp to cooperate the optically focused camera lens of a variable-angle, the infrared illumination angle is changed continuously, synchronous by programmed control variable illumination angle and video camera zoom, field of illumination and the monitoring perfect adaptation of visual field under distance, angle, the continuous situation of change of target have been realized, it is a kind of intelligentized infrared illumination system, and reduced the usage quantity of infrared lamp with respect to general infrared illumination assembly, power consumption number, cost and volume have been reduced, high-efficient energy-saving environment friendly.
Summary of the invention
The purpose that the art of this patent is implemented is the infrared illumination system that is to provide a kind of high efficiency smart.
Referring to Fig. 1, the art of this patent comprises infrared light supply 1, stepper motor 2, cam 3, band spiral fluted master tube 4, angle condenser group 5, infrared illumination system control circuit board 6.Infrared illumination system control circuit board 6 is connected with stepper motor 2, under the night monitoring pattern, native system control circuit board 6 automatic ambient light weakened, be judged as night status, open infrared illumination system, control circuit board 6 receives the signal that comes from video camera simultaneously, drive stepping motor 2, driving producing when mobile lens G2 rotates of angle condenser groups 5 by cam 3 on the helicla flute of main tube 4 moves axially, thereby change the focal length of whole condenser group 5, infrared light supply 1 is near the back fixed lens G1 of angle condenser group 5, and after the light process angle condenser group 5, its shooting angle changes according to the variation of the focal length of condenser group 5, synchronous with the video camera adjustable focal length, when focal length of camera changed, the follow-up of infrared illumination real-time change had intelligent functions.
Referring to Fig. 2 is the optical system diagram of angle condenser group in the art of this patent, angle condenser group is a variable focus condenser head of being made up of optical mirror slip, comprise back fixed lens G1, mobile lens G2, preceding fixed lens G3, back fixed lens is concavo-convex negative eyeglass, mobile lens is concavo-convex positive eyeglass, preceding fixed lens is concavo-convex positive eyeglass, and wherein S is that Infrared High-Power light source, d are the movable distance of mobile lens G2.Described fixed lens G1 fixes near light source, before fixed lens G3 in the field of illumination one side fix, mobile lens G2 is removable component, move in the scope of mobile lens G2 between back fixed lens G1 and preceding fixed lens G3, when the changing apart from d of mobile lens G2, the focal length of condenser group also changes, according to the optical zoom principle, shooting angle after the emergent ray process condenser group also changes, and the distance that continuously changes mobile lens G2 just can realize the continuous variation of emergent ray angle.Described angle condenser group comprise three optical lenses focal distance f 1～f3 (unit: mm) and the radius of curvature R 1～R6 of refractive index n 1～n3 and six faces thereof (unit: mm) meet the following conditions respectively:
-31＜f1＜-13 1.68＜n1＜1.85 -15＜R1＜-5.5 -27＜R2＜-10
38＜f2＜57 1.73＜n2＜1.92 -50＜R3＜-29 -32＜R4＜-12
58＜f3＜88 1.73＜n3＜1.92 -250＜R5＜-180 -65＜R6＜-34
The variation range apart from d of mobile lens G2 is: 0.3～13.72mm, and the focal length variations of angle condenser group is 40～160mm, its light angle variation range is: 4 °～40 °.
The art of this patent has been captured infrared light supply angle and the synchronous technical barrier of video camera zoom, realized intelligentized infrared floor light, reduce the usage quantity of infrared lamp with respect to general many infrared illuminations assembly, reduced power consumption number, cost and volume, high-efficient energy-saving environment friendly.
Description of drawings
Accompanying drawing 1 is the structural representation of the art of this patent
Accompanying drawing 2 is angle condenser group optical system diagrams in the art of this patent
Accompanying drawing 3 is remote infrared illumination synoptic diagram of the art of this patent, and it is the low-angle infrared illumination of video camera long-focus correspondence.
Accompanying drawing 4 is closely infrared illumination synoptic diagram of the art of this patent, and it is the wide-angle infrared illumination of the short focal length correspondence of video camera.
Embodiment
Referring to Fig. 1, the art of this patent comprises infrared light supply 1, stepper motor 2, cam 3, band spiral fluted master tube 4, angle condenser group 5, infrared illumination system control circuit board 6.The structural relation of each parts is as described in second section of the summary of the invention.
Referring to accompanying drawing 2 are the described angle condenser of the art of this patent group optical system diagrams, comprise that condition that the radius of curvature R 1～R6 of the focal distance f 1～f3 of three optical lenses and refractive index n 1～n3 and six faces thereof satisfied respectively is as described in the 3rd section section in the summary of the invention.
Referring to Fig. 3 is the remote infrared illumination synoptic diagram of the art of this patent, and under the night monitoring pattern, during the small field of view scope of camera supervised distant place, video camera is long burnt state, and corresponding infrared illumination is the low-angle illumination.As can be seen from the figure, infrared light is more concentrated by light after the angle condenser group, approaches directional light, and minimum angles can reach 4 °, can project at a distance, satisfies the monitoring requirement of remote small field of view.Referring to Fig. 4 is closely infrared illumination synoptic diagram of the art of this patent, when changing monitor state, during nearby big field range of monitoring, video camera is short burnt state, the mobile lens G2 of this time varying corner condenser group becomes big apart from d, infrared light by the condenser group after light slowly become and disperse but coverage is big, maximum angle of coverage is 40 °, can satisfy the closely monitoring requirement of big visual field.
By a kind of high efficiency smart infrared illumination system of implementing with upper type, its light angle variation range is: 4 °～40 °, cooperate one 3 watts Infrared High-Power lamp, and irradiation distance can reach more than 120 meters farthest.
The art of this patent has been captured infrared light supply angle and the synchronous technical barrier of video camera zoom, solved the normal problem that occurs of infrared floor lights such as " electric torch " phenomenon, realized intelligentized infrared floor light, reduced the usage quantity of infrared lamp with respect to general many infrared illuminations assembly, power consumption number, cost and volume have been reduced, high-efficient energy-saving environment friendly.
Claims (3)
1. the infrared illumination system of a high efficiency smart, comprise infrared light supply (1), stepper motor (2), cam (3), band spiral fluted master's tube (4), angle condenser group (5), infrared illumination system control circuit board (6), it is characterized in that described infrared illumination system control circuit board (6) is connected with stepper motor (2), be used for automatic testing environment light intensity, corresponding control infrared illumination system, receive the signal of video camera, drive stepping motor (2); Described stepper motor (2) is connected with angle condenser group (5) with band spiral fluted master's tube (4) by cam (3), drives angle condenser group (5) and moves.
2. the infrared illumination system of a kind of high efficiency smart according to claim 1, it is characterized in that described angle condenser group is a variable focus condenser head of being made up of optical mirror slip, comprise back fixed lens (G1), mobile lens (G2), preceding fixed lens (G3), back fixed lens is concavo-convex negative eyeglass, mobile lens is concavo-convex positive eyeglass, preceding fixed lens is concavo-convex positive eyeglass, described back fixed lens is fixed near light source, before fixed lens in the field of illumination one side fix, move in the scope of mobile lens between back fixed lens and preceding fixed lens.
3. the infrared illumination system of a kind of high efficiency smart according to claim 1, it is characterized in that described angle condenser group comprises the radius of curvature R 1～R6 of the focal distance f 1～f3 of three optical lenses, refractive index n 1～n3 and six faces thereof, the unit of focal length and radius-of-curvature is a millimeter, meets the following conditions respectively:
-31＜f1＜-13 1.68＜n1＜1.85 -15＜R1＜-5.5 -27＜R2＜-10
38＜f2＜57 1.73＜n2＜1.92 -50＜R3＜-29 -32＜R4＜-12
58＜f3＜88 1.73＜n3＜1.92 -250＜R5＜-180 -65＜R6＜-34
Mobile lens (G2) be 0.3～13.72mm apart from the d variation range, the focal length variations of angle condenser group is 40～160mm, its angle scope is 4 °～40 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202879330U CN201867568U (en) | 2010-08-10 | 2010-08-10 | High-efficient intelligent infrared illuminating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202879330U CN201867568U (en) | 2010-08-10 | 2010-08-10 | High-efficient intelligent infrared illuminating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201867568U true CN201867568U (en) | 2011-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202879330U Expired - Fee Related CN201867568U (en) | 2010-08-10 | 2010-08-10 | High-efficient intelligent infrared illuminating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201867568U (en) |
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2010
- 2010-08-10 CN CN2010202879330U patent/CN201867568U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110615 Termination date: 20180810 |