CN110191273A - A kind of double light zoom shot systems - Google Patents
A kind of double light zoom shot systems Download PDFInfo
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- CN110191273A CN110191273A CN201910575788.1A CN201910575788A CN110191273A CN 110191273 A CN110191273 A CN 110191273A CN 201910575788 A CN201910575788 A CN 201910575788A CN 110191273 A CN110191273 A CN 110191273A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/67—Focus control based on electronic image sensor signals
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- Engineering & Computer Science (AREA)
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Abstract
The invention discloses a kind of double light zoom shot systems, including optical lens a group, optical lens two groups and spectral module, wherein the injection direction of a branch of light wave is provided with the first diaphragm, optical lens three groups, optical lens four groups and the first sensitive chip, and in addition the injection direction of a branch of light wave is provided with the second diaphragm, optical lens five groups, optical lens six groups and the second sensitive chip；Camera system further includes the image processing system that can the first sensitive chip, the received light wave of the second sensitive chip integrated and be exported.The present invention is separated the light of different wave length using spectral module, then different wavelength range light wave is received by different sensitive chips respectively again, therefore, received each individual sensitive chip is the narrow Duan Guangbo of wave-length coverage, so that the clarity of sensitive chip has promotion, the entire image sharpness for eventually forming camera system is greatly promoted.
Description
[technical field]
The present invention relates to a kind of double light zoom shot systems.
[background technique]
Monitoring camera system is widely applied in daily life at present.But current safety monitoring, road conditions prison
Control system has the following disadvantages:
1, existing camera system needs single sensitive chip in such a way that single lens match single sensitive chip
Received optical wavelength is wider, therefore, causes overall picture clarity not high, and it is bad to shoot the effect come；
2, existing camera system reflects that the wavelength of each color exists in such a way that single lens match single sensitive chip
What is restored on single sensitive chip is bad, to not full enough the phenomenon of shooting picture color occur；
3, existing camera system is in such a way that single lens match single sensitive chip, in low light environment, part
The wavelength of light wave cannot be utilized, and whole light passing amount is caused to decline, and shoot fogging image；
The problems of above-mentioned in order to solve, the present invention makes beneficial improvement.
[summary of the invention]
The purpose of the present invention is in view of the deficiencies of the prior art, proposing a kind of double light zoom shot systems, using light splitting
The light wave that optical lens transmitting comes is divided into several different wavelength range light waves by module, spectral module, these different wave length models
Enclosing light wave can be received by different sensitive chips respectively, and pattern process module finally carries out the received light wave of different sensitive chips
Integration and output, thus realize the fine definition of shooting image, and image color is Well-recovered, it also can be clear under low-light (level)
Imaging.
In order to solve the above technical problems, the invention provides the following technical scheme: a kind of double light zoom shot systems, feature
It is, including optical lens a group, optical lens two groups and the optical lens two groups light waves can be passed through is divided into two differences
The spectral module of range of wavelength, wherein the injection direction of a branch of light wave is provided with the first diaphragm, optical lens three groups, optical lens
Four groups and the first sensitive chip, in addition the injection direction of a branch of light wave is provided with the second diaphragm, optical lens five groups, optical lens
Six groups and the second sensitive chip；The camera system further includes can be by the first sensitive chip, the received light of the second sensitive chip
The image processing system that wave is integrated and exported.
A kind of double light zoom shot systems as described above, which is characterized in that the spectral module is at least one piece point
Optical element.
A kind of double light zoom shot systems as described above, which is characterized in that the optical lens a group is fixed saturating
Lens group includes the first lens, and the first power of lens is negative, and the second lens, the second power of lens is positive, and first thoroughly
Mirror and the second lens are cemented lens, and the focal power of the third lens, the third lens is positive, the 4th lens, the light focus of the 4th lens
Degree is positive.
A kind of double light zoom shot systems as described above, which is characterized in that described optical lens two groups are mobile saturating
Lens group, includes the 5th lens, and the 5th lens are non-spherical lens；6th lens, the 6th lens are non-spherical lens；7th thoroughly
Mirror, the 7th power of lens are positive.
A kind of double light zoom shot systems as described above, which is characterized in that described optical lens three groups are fixed saturating
Lens group, includes the 8th lens, and the 8th lens are non-spherical lens, the 9th lens, and the 9th power of lens is positive, and the tenth thoroughly
Mirror, the tenth power of lens are positive, and the 9th lens and the tenth lens are cemented lens, the 11st lens, and the 11st lens are
Non-spherical lens.
A kind of double light zoom shot systems as described above, which is characterized in that described optical lens four groups are mobile saturating
Lens group includes the 12nd lens, and 12 power of lens are negative, and the 13rd lens, the 13rd power of lens is positive,
14th lens, the 14th lens are curved month type structure, and the 12nd lens and the 13rd lens are cemented lens.
A kind of double light zoom shot systems as described above, which is characterized in that described optical lens five groups are fixed saturating
Lens group, includes the 15th lens, and the 15th lens are non-spherical lens, the 16th lens, and the 16th power of lens is
Just, the 17th lens, the 17th power of lens are negative, and the 16th lens and the 17th lens are cemented lens.
A kind of double light zoom shot systems as described above, which is characterized in that described optical lens six groups are mobile saturating
Lens group includes the 18th lens, and the 18th power of lens is positive, the 19th lens, and the 19th power of lens is
Negative, the 20th lens, the 20th lens are non-spherical lens, and the 21st lens, the 21st lens are curved month type structure.
A kind of double light zoom shot systems as described above, which is characterized in that the aspherical surface shape of non-spherical lens
Meet following equation:
In formula, parameter c is curvature corresponding to radius, and y is that its unit of radial coordinate is identical with length of lens unit,
K is circular cone whose conic coefficient；When k-factor is less than -1, the face shape curve of lens is hyperbola, when k-factor is equal to -1, thoroughly
The face shape curve of mirror is parabola；When k-factor is between -1 to 0, the face shape curve of lens is ellipse, when k-factor is equal to 0
When, the face shape curve of lens is circle, and when k-factor is greater than 0, the face shape curve of lens is oblateness；a1To a8It respectively indicates each
Coefficient corresponding to radial coordinate.
Compared with prior art, a kind of double light zoom shot systems of the invention, have the following beneficial effects:
1, the present invention is separated the light of different wave length using spectral module, so being from the light wave that spectral module exports
Two different wavelength range light waves, the two different wavelength range light waves are received by different sensitive chips respectively again, therefore, often
Received a individual sensitive chip is the narrow Duan Guangbo of wave-length coverage, so that the clarity meeting of sensitive chip
There is promotion, the entire image sharpness for eventually forming camera system greatly promotes.
2, the present invention is separated the light of different wave length using spectral module, so being from the light wave that spectral module exports
Two different wavelength range light waves, these different wavelength range light waves are received by different sensitive chips respectively again, therefore, two
The whole optical wavelength range received after sensitive chip is cumulative is just wider, reflects that the wavelength of each color can be by abundant benefit
With the overall picture color for receiving light wave after two sensitive chips are cumulative and being formed is truer, fuller.
3, the present invention is separated the light of different wave length using spectral module, so being from the light wave that spectral module exports
Two different wavelength range light waves, these different wavelength range light waves are received by different sensitive chips respectively again, therefore, low
When illumination, the sensitive chip of two reception different wavelength range light waves is accumulated in together, the optical wavelength model for allowing to utilize
It encloses and broadens, improve whole light passing amount, so that imaging picture be made also to can guarantee when light is very dark clearly.
[Detailed description of the invention]
Fig. 1 is optical schematic diagram of the invention.
[specific embodiment]
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description.
As shown in Figure 1, a kind of double light zoom shot systems, including two crowds of optical lens a group G1, optical lens G2 and
The light wave that two crowds of G2 of optical lens can be passed through is divided into the spectral module M7 of two different range wavelength, wherein a branch of light wave is penetrated
Direction is provided with the first diaphragm 801, three crowds of G3 of optical lens, four crowds of G4 of optical lens and the first sensitive chip 901 out, and in addition one
The injection direction of Shu Guangbo is provided with the second diaphragm 802, five crowds of G5 of optical lens, six crowds of G6 of optical lens and the second sensitive chip
902；The camera system further includes that can integrate the first sensitive chip 901, the received light wave of the second sensitive chip 902
With the image processing system M10 of output.
As shown in Figure 1, in the present embodiment, the spectral module M7 is at least one piece of beam splitter.
Using spectral module M7 and match two sensitive chip 901, the sensitive chips 902 for receiving different wavelength range light wave
Mode, via optical lens group G1, G2 come out light be divided into two different wavelength range light waves through spectral module M7, then
Via the light wave for receiving particular range of wavelengths respectively from the matched different sensitive chips 901 of spectral module M7, sensitive chip 902,
Realize that the reduction and reproduction of image increase color to improve optical system clarity finally by image processing module M10
Color reproducibility, and realize that camera system also can blur-free imaging under low-light (level) environment.
As shown in Figure 1, in the present embodiment, the optical lens a group G1 is fixed lens group, it include first saturating
The focal power of mirror 101, the first lens 101 is negative, and the focal power of the second lens 102, the second lens 102 is positive, the first lens 101
It is cemented lens with the second lens 102, the focal power of the third lens 103, the third lens 103 is positive, the 4th lens 104, and the 4th
The focal power of lens 104 is positive.
As shown in Figure 1, in the present embodiment, described two crowds of G2 of optical lens are mobile lens group, it include the 5th saturating
Mirror 201, the 5th lens 201 are non-spherical lens；6th lens 202, the 6th lens 202 are non-spherical lens；7th lens
203, the focal power of the 7th lens 203 is positive.
As shown in Figure 1, in the present embodiment, described three crowds of G3 of optical lens are fixed lens group, it include the 8th saturating
Mirror 301, the 8th lens 301 are non-spherical lens, and the focal power of the 9th lens 302, the 9th lens 302 is positive, the tenth lens
303, the focal power of the tenth lens 303 is positive, and the 9th lens 302 and the tenth lens 303 are cemented lens, the 11st lens 304,
11st lens 304 are non-spherical lens.
As shown in Figure 1, in the present embodiment, it includes the 12nd that described four crowds of G4 of optical lens, which are mobile lens group,
The focal power of 401,12 lens 401 of lens is negative, and the focal power of the 13rd lens 402, the 13rd lens 402 is positive, and the tenth
The 403, the 14th lens 403 of four lens are curved month type structure, and the 12nd lens 401 and the 13rd lens 402 are cemented lens.
As shown in Figure 1, in the present embodiment, it includes the 15th that described five crowds of G5 of optical lens, which are fixed lens group,
The 501, the 15th lens 501 of lens are non-spherical lens, and the focal power of the 16th lens 502, the 16th lens 502 is positive, the
The focal power of the 503, the 17th lens 503 of 17 lens is negative, and the 16th lens 502 and the 17th lens 503 are cemented lens.
As shown in Figure 1, in the present embodiment, it includes the 18th that described six crowds of G6 of optical lens, which are mobile lens group,
The focal power of the 601, the 18th lens 601 of lens is positive, and the focal power of the 19th lens 602, the 19th lens 602 is negative, the
The 603, the 20th lens 603 of 20 lens are non-spherical lens, and the 21st lens 604, the 21st lens 604 are curved month type
Structure.
As shown in Figure 1, in the present embodiment, the aspherical surface shape of non-spherical lens meets following equation:
In formula, parameter c is curvature corresponding to radius, and y is that its unit of radial coordinate is identical with length of lens unit,
K is circular cone whose conic coefficient；When k-factor is less than -1, the face shape curve of lens is hyperbola, when k-factor is equal to -1, thoroughly
The face shape curve of mirror is parabola；When k-factor is between -1 to 0, the face shape curve of lens is ellipse, when k-factor is equal to 0
When, the face shape curve of lens is circle, and when k-factor is greater than 0, the face shape curve of lens is oblateness；a1To a8It respectively indicates each
Coefficient corresponding to radial coordinate.
An actual design case is named, beam splitter uses the plate glass of plated film；
Group's zoom, focusing mobile range:
Interval 41mm between optical lens a group~optical lens two groups；
Interval 75mm between two groups~optical lens of optical lens three groups；
The distance between three groups~optical lens of optical lens four groups 7.5mm；
Optical lens four groups~image planes distance 14.5mm；
The distance between five groups~optical lens of optical lens six groups 9mm；
Optical lens six groups~image planes distance 15mm.
Claims (9)
1. a kind of double light zoom shot systems, which is characterized in that including optical lens a group (G1), optical lens two groups (G2),
And the light wave of optical lens two groups (G2) can be passed through and be divided into the spectral module (M7) of two different range wavelength, wherein a branch of
It is photosensitive that the injection direction of light wave is provided with the first diaphragm (801), optical lens three groups (G3), optical lens four groups (G4) and first
Chip (901), in addition the injection direction of a branch of light wave is provided with the second diaphragm (802), optical lens five groups of (G5), optical lens
Six groups (G6) and the second sensitive chip (902)；The camera system further includes can be by the first sensitive chip (901), the second sense
The image processing system (M10) that optical chip (902) received light wave is integrated and exported.
2. a kind of double light zoom shot systems according to claim 1, which is characterized in that the spectral module (M7) is
At least one piece of beam splitter.
3. a kind of double light zoom shot systems according to claim 1, which is characterized in that the optical lens a group
(G1) it is fixed lens group, includes the first lens (101), the focal power of the first lens (101) is negative, the second lens (102),
The focal power of second lens (102) is positive, and the first lens (101) and the second lens (102) are cemented lens, the third lens
(103), the focal power of the third lens (103) is positive, and the focal power of the 4th lens (104), the 4th lens (104) is positive.
4. a kind of double light zoom shot systems according to claim 1, which is characterized in that the optical lens two groups
(G2) it is mobile lens group, includes the 5th lens (201), the 5th lens (201) is non-spherical lens；6th lens (202),
6th lens (202) are non-spherical lens；The focal power of 7th lens (203), the 7th lens (203) is positive.
5. a kind of double light zoom shot systems according to claim 1, which is characterized in that the optical lens three groups
(G3) it is fixed lens group, includes the 8th lens (301), the 8th lens (301) are non-spherical lens, the 9th lens (302),
The focal power of 9th lens (302) is positive, and the focal power of the tenth lens (303), the tenth lens (303) is positive, the 9th lens
It (302) is cemented lens with the tenth lens (303), the 11st lens (304), the 11st lens (304) are non-spherical lens.
6. a kind of double light zoom shot systems according to claim 1, which is characterized in that the optical lens four groups
(G4) it is mobile lens group, includes the 12nd lens (401), the focal power of 12 lens (401) is negative, the 13rd lens
(402), the focal power of the 13rd lens (402) is positive, the 14th lens (403), and the 14th lens (403) are curved month type knot
Structure, the 12nd lens (401) and the 13rd lens (402) are cemented lens.
7. a kind of double light zoom shot systems according to claim 1, which is characterized in that the optical lens five groups
(G5) it is fixed lens group, includes the 15th lens (501), the 15th lens (501) is non-spherical lens, the 16th lens
(502), the focal power of the 16th lens (502) is positive, and the focal power of the 17th lens (503), the 17th lens (503) is
Negative, the 16th lens (502) and the 17th lens (503) are cemented lens.
8. a kind of double light zoom shot systems according to claim 1, which is characterized in that the optical lens six groups
(G6) it is mobile lens group, includes the 18th lens (601), the focal power of the 18th lens (601) is positive, the 19th lens
(602), the focal power of the 19th lens (602) is negative, the 20th lens (603), and the 20th lens (603) are aspherical
Mirror, the 21st lens (604), the 21st lens (604) are curved month type structure.
9. according to a kind of double light zoom shot systems any in claim 4 or 5 or 7 or 8, which is characterized in that aspheric
The aspherical surface shape of face lens meets following equation:
In formula, parameter c is curvature corresponding to radius, and y is that its unit of radial coordinate is identical with length of lens unit, and k is
Circular cone whose conic coefficient；When k-factor is less than -1, the face shape curve of lens is hyperbola, when k-factor is equal to -1, lens
Face shape curve be parabola；When k-factor is between -1 to 0, the face shape curve of lens is ellipse, when k-factor is equal to 0
When, the face shape curve of lens is circle, and when k-factor is greater than 0, the face shape curve of lens is oblateness；a1To a8It respectively indicates each
Coefficient corresponding to radial coordinate.
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| CN201910575788.1A CN110191273B (en) | 2019-06-28 | 2019-06-28 | Double-light zooming shooting system |
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| CN201910575788.1A CN110191273B (en) | 2019-06-28 | 2019-06-28 | Double-light zooming shooting system |
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Cited By (1)
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| CN114650410A (en) * | 2020-12-18 | 2022-06-21 | 余姚舜宇智能光学技术有限公司 | Active calibration method and system for multi-band and multi-pass camera module |
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