CN110418038A - A kind of double light camera systems - Google Patents
A kind of double light camera systems Download PDFInfo
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- CN110418038A CN110418038A CN201910618564.4A CN201910618564A CN110418038A CN 110418038 A CN110418038 A CN 110418038A CN 201910618564 A CN201910618564 A CN 201910618564A CN 110418038 A CN110418038 A CN 110418038A
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- nanometers
- light
- light wave
- plane
- camera systems
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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
- H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/75—Circuitry for compensating brightness variation in the scene by influencing optical camera components
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Studio Devices (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
Abstract
The invention discloses a kind of double light camera systems, including optical lens, the optical lens is equipped with the spectral module that the light wave that optical lens transmitting comes can be divided into visible light and infrared light wave-length coverage light wave at image side；The camera system further includes two for receiving the sensitive chip of the optical signal separated through spectral module；The camera system further includes the image processing module that can the received light wave of each sensitive chip integrated and be exported；It is provided with light splitting inclined-plane on the spectral module, is divided the angle a on inclined-plane and horizontal direction, meets 10 °≤a≤60 °；The light wave range of visible light includes 420 nanometers to 650 nanometers of light wave, and the light wave range of infrared light includes 700 nanometers to 1100 nanometers of light wave.The present invention realizes the fine definition of shooting image, and image color is Well-recovered, also can blur-free imaging under low-light (level).
Description
[technical field]
The present invention relates to optical system, especially a kind of double light camera 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.
Therefore, the present invention is based on above deficiency and generates.
[summary of the invention]
The technical problem to be solved in the present invention is to provide a kind of double light camera systems, which realizes the high definition of shooting image
Clear degree, and image color is Well-recovered, it also can blur-free imaging under low-light (level).
In order to solve the above technical problems, present invention employs following technical proposals: a kind of double light camera systems, feature exist
In, including optical lens, the optical lens be equipped at image side the light wave that optical lens transmitting comes can be divided into visible light and
The spectral module of infrared light wave-length coverage light wave；The camera system further includes two and separates for receiving through spectral module
The sensitive chip of optical signal；The camera system further includes that can the received light wave of each sensitive chip be integrated and be exported
Image processing module；It is provided with light splitting inclined-plane on the spectral module, is divided the angle a on inclined-plane and horizontal direction, meets
10°≤a≤60°；The light wave range of visible light includes 420 nanometers to 650 nanometers of light wave, and the light wave range of infrared light includes
700 nanometers to 1100 nanometers of light wave.
A kind of double light camera systems as described above, which is characterized in that the optical wavelength of visible light is 420 nanometers, 435 receive
Rice, 450 nanometers, 465 nanometers, 480 nanometers, 495 nanometers, 510 nanometers, 525 nanometers, 540 nanometers, 550 nanometers, 565 nanometers,
A branch of or multi beam in 580 nanometers, 595 nanometers, 610 nanometers, 625 nanometers, 640 nanometers, 650 nanometers.
A kind of double light camera systems as described above, which is characterized in that the optical wavelength of infrared light is 700 nanometers, 725 receive
Rice, 750 nanometers, 775 nanometers, 800 nanometers, 825 nanometers, 850 nanometers, 875 nanometers, 900 nanometers, 925 nanometers, 950 nanometers,
A branch of or multi beam in 975 nanometers, 1000 nanometers, 1025 nanometers, 1050 nanometers, 1075 nanometers, 1100 nanometers.
A kind of double light camera systems as described above, which is characterized in that the angle a on light splitting inclined-plane and horizontal direction meets
20°≤a≤30°。
A kind of double light camera systems as described above, which is characterized in that the angle a on light splitting inclined-plane and horizontal direction meets
30°≤a≤40°。
A kind of double light camera systems as described above, which is characterized in that the angle a on light splitting inclined-plane and horizontal direction meets
40°≤a≤50°。
A kind of double light camera systems as described above, which is characterized in that the spectral module includes at least one piece point
Optical element.
Compared with prior art, a kind of double light camera systems of the invention achieving the following effects:
1, it is provided with light splitting inclined-plane on spectral module of the invention, is divided the angle a on inclined-plane and horizontal direction, meets 10 °
≤ a≤60 °, when light splitting inclined-plane meets above-mentioned angle, the processing on the light splitting inclined-plane of beam splitting system is secure, and sensitive chip
Placement location is more reasonable；The light wave range of visible light includes 420 nanometers to 650 nanometers of light wave, the light wave range packet of infrared light
Include 700 nanometers to 1100 nanometers of light wave；Because the light wave range of visible light is 420-650nm, wherein 420-480nm range light
Wave color shows as bluish violet, and 480-580nm range light wave is yellow green, and 580-650nm range light wave is orange red, i.e. this hair
The effect of bright middle beam splitting system is to extract the corresponding wavelength band of different colours respectively, realizes better color rendition
Property；The light wave of corresponding 700-1100 wave band is near-infrared light waves, all or part of light extracted by spectral module
Wave can be very good to promote picture brightness.
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
Several different wavelength range light waves, these 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.
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
Several 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 a sensitive chip is cumulative is just wider, reflects that the wavelength of each color can be abundant
It utilizes, the overall picture color for receiving light wave after two sensitive chips are cumulative and being formed is truer, fuller.
4, the present invention is separated the light of different wave length using spectral module, so being from the light wave that spectral module exports
Several different wavelength range light waves, these different wavelength range light waves are received by different sensitive chips respectively again, therefore, In
When low-light (level), the sensitive chip of two reception different wavelength range light waves is accumulated in together, the optical wavelength for allowing to utilize
Range broadens, and improves 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]
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing, in which:
Fig. 1 is schematic diagram of the present invention；
Detailed description of the invention: 1, optical lens；2, spectral module；3, sensitive chip；4, image processing module.
[specific embodiment]
It elaborates with reference to the accompanying drawing to embodiments of the present invention.
As shown in Figure 1, a kind of double light camera systems, including optical lens 1, the optical lens 1 are equipped with energy at image side
The light wave that the transmitting of optical lens 1 comes is divided into the spectral module 2 of visible light and infrared light wave-length coverage light wave；The shooting system
System further includes two for receiving the sensitive chip 3 of the optical signal separated through spectral module 2；The camera system further includes energy
The image processing module 4 that the received light wave of each sensitive chip 3 is integrated and exported；It is arranged on the spectral module 2
There is light splitting inclined-plane, be divided the angle a on inclined-plane and horizontal direction, meets 10 °≤a≤60 °；When light splitting inclined-plane meets above-mentioned angle
When, the processing on the light splitting inclined-plane of beam splitting system is secure, and the placement location of sensitive chip is more reasonable, the angle outside restriction range
Degree, the difficulty of processing for being divided inclined-plane is big, is unable to satisfy light splitting and requires, and the placement position of sensitive chip can be generated with other structures
Interference, production difficulty are big；The light wave range of visible light includes 420 nanometers to 650 nanometers of light wave, the light wave range packet of infrared light
Include 700 nanometers to 1100 nanometers of light wave.Because the light wave range of visible light is 420-650nm, wherein 420-480nm range light
Wave color shows as bluish violet, and 480-580nm range light wave is yellow green；580-650nm range light wave is orange red, i.e. this hair
The effect of bright middle beam splitting system is to extract the corresponding wavelength band of different colours respectively, realizes better color rendition
Property, and be less than 420nm and greater than the light wave of 650nm, hardly covering the color that the color that visible light is showed can not achieve
Color reproducibility.The light wave of corresponding 700-1100 wave band, is near-infrared light waves, the whole extracted by beam splitting system or one
It is divided wave, can be very good to promote picture brightness.And the light wave between 650-700, generally transition light wave, for promoting color
All there is larger difficulty in the design for being greater than the light wave of 1100nm without good advantage in color reproducibility and promotion brightness
And the corresponding sensitive chip of more difficult matching, so with the obvious advantage within the scope of 700-1100 light wave.
The spectral module 2 includes at least one piece of beam splitter, and spectral module has light splitting inclined-plane to realize light splitting
The purpose that light is deflected to different directions afterwards, wherein the range that light splitting inclined-plane and the angle of horizontal direction are 10 degree to 60 degree, it can
To be divided into 20 °≤a≤30 °, 30 °≤a≤40 °, 40 °≤a≤50 °, particularly, when the angle on light splitting inclined-plane and horizontal direction is
At 25 degree, 35 degree or 45 degree, the spectrophotometric result of beam splitter is best, and the overall structure form of beam splitter is more conducive to process life
It produces.In the present embodiment, beam splitter can perhaps one of plane mirror using prism, film or be put down for prism, film
Face mirror can be divided, and spectrophotometric result is good, and light can be divided into several different wavelength range light waves, every kind of wavelength
The light wave of range match different sensitive chips, the entire image sharpness for eventually forming camera system greatly promotes.
Using spectral module 2 and by the way of matching multiple sensitive chips 3 for receiving different wavelength range light wave, via optics
The light that camera lens 1 comes out is divided into several different wavelength range light waves through spectral module 2, then via matched with spectral module 2
Different sensitive chips 3 receive respectively, and different sensitive chips 3 receives the light wave of particular range of wavelengths respectively, finally by image
The reduction and reproduction of the realization image of processing module 4；
When the optical wavelength of visible light is following specific wavelength light wave, the picture of image is apparent, and color reducibility can be more
It is good, specific wavelength are as follows: received for 420 nanometers, 435 nanometers, 450 nanometers, 465 nanometers, 480 nanometers, 495 nanometers, 510 nanometers, 525
Rice, 540 nanometers, 550 nanometers, 565 nanometers, 580 nanometers, 595 nanometers, 610 nanometers, 625 nanometers, 640 nanometers, in 650 nanometers
A branch of or multi beam.
When the optical wavelength of infrared light is following specific wavelength light wave, the picture of image can be brighter, and whole permeability is more
Height, specific wavelength are as follows: 700 nanometers, 725 nanometers, 750 nanometers, 775 nanometers, 800 nanometers, 825 nanometers, 850 nanometers, 875 receive
Rice, 900 nanometers, 925 nanometers, 950 nanometers, 975 nanometers, 1000 nanometers, 1025 nanometers, 1050 nanometers, 1075 nanometers, 1100 receive
A branch of or multi beam in rice.
Using spectral module 2 and by the way of matching the sensitive chip 3 that two receive different wavelength range light wave, via optics
The light that camera lens 1 comes out is divided into several different wavelength range light waves through spectral module 2, then via matched with spectral module 2
Two different sensitive chips 3 receive respectively, and different sensitive chips 3 receives the light wave of particular range of wavelengths respectively, finally by
Image processing module 4 realizes that the reduction and reproduction of image increase color reducibility to improve optical system clarity,
And realize that camera system also can blur-free imaging under low-light (level) environment.
Claims (7)
1. a kind of double light camera systems, which is characterized in that including optical lens (1), the optical lens (1) is equipped at image side
Optical lens (1) can be transmitted the spectral module (2) that the light wave come is divided into visible light and infrared light wave-length coverage light wave；Described
Camera system further includes two for receiving the sensitive chip (3) of the optical signal separated through spectral module (2)；The shooting system
System further includes the image processing module (4) that can each sensitive chip (3) received light wave integrated and be exported；Point
It is provided with light splitting inclined-plane on optical module (2), is divided the angle a on inclined-plane and horizontal direction, meets 10 °≤a≤60 °；Visible light
Light wave range includes 420 nanometers to 650 nanometers of light wave, and the light wave range of infrared light includes 700 nanometers to 1100 nanometers of light
Wave.
2. a kind of double light camera systems according to claim 1, which is characterized in that the optical wavelength of visible light is received for 420
Rice, 435 nanometers, 450 nanometers, 465 nanometers, 480 nanometers, 495 nanometers, 510 nanometers, 525 nanometers, 540 nanometers, 550 nanometers,
A branch of or multi beam in 565 nanometers, 580 nanometers, 595 nanometers, 610 nanometers, 625 nanometers, 640 nanometers, 650 nanometers.
3. a kind of double light camera systems according to claim 1, which is characterized in that the optical wavelength of infrared light is received for 700
Rice, 725 nanometers, 750 nanometers, 775 nanometers, 800 nanometers, 825 nanometers, 850 nanometers, 875 nanometers, 900 nanometers, 925 nanometers,
A branch of or multi beam in 950 nanometers, 975 nanometers, 1000 nanometers, 1025 nanometers, 1050 nanometers, 1075 nanometers, 1100 nanometers.
4. a kind of double light camera systems according to claim 1, which is characterized in that the angle on light splitting inclined-plane and horizontal direction
A meets 20 °≤a≤30 °.
5. a kind of double light camera systems according to claim 1, which is characterized in that the angle on light splitting inclined-plane and horizontal direction
A meets 30 °≤a≤40 °.
6. a kind of double light camera systems according to claim 1, which is characterized in that the angle on light splitting inclined-plane and horizontal direction
A meets 40 °≤a≤50 °.
7. a kind of double light camera systems according to claim 1, which is characterized in that the spectral module (2) includes
At least one piece of beam splitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910618564.4A CN110418038A (en) | 2019-07-10 | 2019-07-10 | A kind of double light camera systems |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910618564.4A CN110418038A (en) | 2019-07-10 | 2019-07-10 | A kind of double light camera systems |
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| CN110418038A true CN110418038A (en) | 2019-11-05 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104980628A (en) * | 2014-04-13 | 2015-10-14 | 比亚迪股份有限公司 | Image sensor and monitoring system |
| CN106713724A (en) * | 2017-03-29 | 2017-05-24 | 中山联合光电科技股份有限公司 | Double-light shooting system |
-
2019
- 2019-07-10 CN CN201910618564.4A patent/CN110418038A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104980628A (en) * | 2014-04-13 | 2015-10-14 | 比亚迪股份有限公司 | Image sensor and monitoring system |
| CN106713724A (en) * | 2017-03-29 | 2017-05-24 | 中山联合光电科技股份有限公司 | Double-light shooting system |
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