CN110460752A - A kind of camera system dividing more light - Google Patents
A kind of camera system dividing more light Download PDFInfo
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- CN110460752A CN110460752A CN201910618588.XA CN201910618588A CN110460752A CN 110460752 A CN110460752 A CN 110460752A CN 201910618588 A CN201910618588 A CN 201910618588A CN 110460752 A CN110460752 A CN 110460752A
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- nanometers
- light
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- spectral module
- divide
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/10—Beam splitting or combining systems
- G02B27/1006—Beam splitting or combining systems for splitting or combining different wavelengths
- G02B27/1013—Beam splitting or combining systems for splitting or combining different wavelengths for colour or multispectral image sensors, e.g. splitting an image into monochromatic image components on respective sensors
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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
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Color Television Image Signal Generators (AREA)
Abstract
The invention discloses the camera system that one kind can divide more light, including optical lens, optical lens is equipped with the spectral module that the light wave that optical lens transmitting comes can be divided into several different wavelength range light waves at image side；Camera system further includes at least two for receiving the sensitive chip of the optical signal separated through spectral module；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 spectral module, is divided the angle a on inclined-plane and horizontal direction, meets 60 °≤a≤170 °；The light wave separated by spectral module, wavelength is between 420 nanometers to 650 nanometers or wavelength a part is between 420 nanometers to 650 nanometers, another part is between 700 nanometers to 1100 nanometers.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 camera system that can divide more light.
[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 the camera system that one kind can divide more light, which realizes shooting image
Fine definition, and image color is Well-recovered, also can blur-free imaging under low-light (level).
In order to solve the above technical problems, present invention employs following technical proposals: one kind can divide the camera system of more light,
It is characterized in that, including optical lens, if the optical lens is equipped at image side to be divided into the light wave that optical lens transmitting comes
The spectral module of dry different wavelength range light wave；The camera system further includes at least two for receiving through spectral module
The sensitive chip of the optical signal separated；The camera system further includes that can integrate the received light wave of each sensitive chip
With the image processing module of output；It is provided with light splitting inclined-plane on the spectral module, is divided the angle on inclined-plane and horizontal direction
A meets 60 °≤a≤170 °；The light wave separated by spectral module, wavelength is between 420 nanometers to 650 nanometers or wavelength
A part between 420 nanometers to 650 nanometers, another part is between 700 nanometers to 1100 nanometers.
One kind as described above can divide the camera system of more light, which is characterized in that the light wave separated by spectral module, wave
A length of 420 nanometers, 435 nanometers, 450 nanometers, 465 nanometers, 480 nanometers, 495 nanometers, 510 nanometers, 525 nanometers, 540 nanometers,
It is a branch of or more in 550 nanometers, 565 nanometers, 580 nanometers, 595 nanometers, 610 nanometers, 625 nanometers, 640 nanometers, 650 nanometers
Beam.
One kind as described above can divide the camera system of more light, which is characterized in that the light wave separated by spectral module, wave
Long a part is 420 nanometers, 435 nanometers, 450 nanometers, 465 nanometers, 480 nanometers, 495 nanometers, 510 nanometers, 525 nanometers, 540
Nanometer, 550 nanometers, 565 nanometers, 580 nanometers, 595 nanometers, 610 nanometers, 625 nanometers, 640 nanometers, it is a branch of in 650 nanometers
Or multi beam, another part are 700 nanometers, 725 nanometers, 750 nanometers, 775 nanometers, 800 nanometers, 825 nanometers, 850 nanometers, 875
Nanometer, 900 nanometers, 925 nanometers, 950 nanometers, 975 nanometers, 1000 nanometers, 1025 nanometers, 1050 nanometers, 1075 nanometers, 1100
A branch of or multi beam in nanometer.
One kind as described above can divide the camera system of more light, which is characterized in that the angle on light splitting inclined-plane and horizontal direction
A meets 60 °≤a≤90 °.
One kind as described above can divide the camera system of more light, which is characterized in that the angle on light splitting inclined-plane and horizontal direction
A meets 90 °≤a≤130 °.
One kind as described above can divide the camera system of more light, which is characterized in that the angle on light splitting inclined-plane and horizontal direction
A meets 130 °≤a≤170 °.
One kind as described above can divide the camera system of more light, which is characterized in that the spectral module includes at least
One piece of beam splitter.
One kind as described above can divide the camera system of more light, it is characterised in that: the camera system includes at least
One spectral module.
One kind as described above can divide the camera system of more light, it is characterised in that: there are two the camera system includes
Spectral module.
One kind as described above can divide the camera system of more light, it is characterised in that: there are three the camera system includes
Sensitive chip.
Compared with prior art, one kind of the invention can divide the camera system of more light 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 60 °
≤ a≤170 °, 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 it is more reasonable；The light wave separated by spectral module, wavelength is between 420 nanometers to 650 nanometers or wavelength one
Part between 420 nanometers to 650 nanometers, another part is between 700 nanometers to 1100 nanometers；Because of the light of visible light
Wave range is 420-650nm, and wherein 420-480nm range light wave color shows as bluish violet, and 480-580nm range light wave is Huang
Green, 580-650nm range light wave be it is orange red, i.e., the effect of beam splitting system is by the corresponding wave band of different colours in the present invention
Range extracts respectively, realizes better color reducibility；The light wave of corresponding 700-1100 wave band is near-infrared light waves, leads to
All or part of light wave that beam splitting system extracts is crossed, 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, more
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 multiple 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), multiple sensitive chips for receiving different wavelength range light wave are 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.
Embodiment one
As shown in Figure 1, a kind of camera system that can divide more light, including optical lens 1, the optical lens 1 is at image side
It is divided into the spectral module 2 of several different wavelength range light waves equipped with the light wave that can carry out the transmitting of optical lens 1；The shooting
System further includes at least two for receiving the sensitive chip 3 of the optical signal separated through spectral module 2；The camera system is also
Including the image processing module 4 that can the received light wave of each sensitive chip 3 integrated and be exported；The spectral module 2
On be provided with light splitting inclined-plane, be divided the angle a on inclined-plane and horizontal direction, meet 60 °≤a≤170 °；When light splitting inclined-plane meets
When stating angle, the processing on the light splitting inclined-plane of beam splitting system is secure, and the placement location of sensitive chip is more reasonable, in restriction range
Outer angle, 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 with other knots
Structure generates interference, and production difficulty is big.
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 60 degree to 170 degree, it can
To be divided into 60 °≤a≤90 °, 90 °≤a≤130 °, 130 °≤a≤170 °, particularly, the folder on light splitting inclined-plane and horizontal direction
When angle is 60 degree, 70 degree, 80 degree, 90 degree, 100 degree, 110 degree, 120 degree, 130 degree, 140 degree, 150 degree, 160 degree or 170 degree, point
The spectrophotometric result of optical element is best, and the overall structure form of beam splitter is more conducive to process.In the present embodiment, it is divided
Element can be prism, perhaps one of plane mirror can be divided film using prism, film or plane mirror, and
Spectrophotometric result is good, and light can be divided into several different wavelength range light waves, and the light wave of the range of every kind of wavelength matches different
Sensitive chip, 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；
The light wave separated by spectral module 2, wavelength is between 420 nanometers to 650 nanometers.In the present embodiment, lead to
The light wave that spectral module 2 separates is crossed, when being following specific wavelength light wave, the picture of image is apparent, and color reducibility can be more preferable,
Specific wavelength are as follows: 420 nanometers, 435 nanometers, 450 nanometers, 465 nanometers, 480 nanometers, 495 nanometers, 510 nanometers, 525 nanometers,
540 nanometers, 550 nanometers, 565 nanometers, 580 nanometers, 595 nanometers, 610 nanometers, 625 nanometers, 640 nanometers, 650 nanometers.Because
The light wave range of visible light is 420-650nm, and wherein 420-480nm range light wave color shows as bluish violet, 480-580nm model
Enclosing light wave is yellow green, 580-650nm range light wave be it is orange red, i.e., the effect of beam splitting system is by different colours in the present invention
Corresponding wavelength band extracts respectively, realizes better color reducibility, and less than 420nm and greater than the light of 650nm
Wave hardly covers the color reducibility that the color that visible light is showed can not achieve.
Meanwhile the light wave branched away by spectral module 2 cannot be all located between 700 nanometers to 1100 nanometers, because this
It is not have coloured in a range, protrudes the effect of more light, the model just be unableing to do without between 420 nanometers to 650 nanometers of visible light
It encloses.
As shown in Figure 1, in the present embodiment, the camera system includes at least one spectral module 2；Specific packet
Spectral module 2 and three sensitive chips 3 there are two including.One of sensitive chip is separated for receiving first spectral module
Light wave, for other two sensitive chip for receiving the light wave that second spectral module separates, topology layout is reasonable.
Embodiment two
As shown in Figure 1, a kind of camera system that can divide more light, including optical lens 1, the optical lens 1 is at image side
It is divided into the spectral module 2 of several different wavelength range light waves equipped with the light wave that can carry out the transmitting of optical lens 1；The shooting
System further includes at least two for receiving the sensitive chip 3 of the optical signal separated through spectral module 2；The camera system is also
Including the image processing module 4 that can the received light wave of each sensitive chip 3 integrated and be exported；The spectral module 2
On be provided with light splitting inclined-plane, be divided the angle a on inclined-plane and horizontal direction, meet 60 °≤a≤170 °；When light splitting inclined-plane meets
When stating angle, the processing on the light splitting inclined-plane of beam splitting system is secure, and the placement location of sensitive chip is more reasonable, in restriction range
Outer angle, 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 with other knots
Structure generates interference, and production difficulty is big.
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 60 degree to 170 degree, it can
To be divided into 60 °≤a≤90 °, 90 °≤a≤130 °, 130 °≤a≤170 °, particularly, the folder on light splitting inclined-plane and horizontal direction
When angle is 60 degree, 70 degree, 80 degree, 90 degree, 100 degree, 110 degree, 120 degree, 130 degree, 140 degree, 150 degree, 160 degree or 170 degree, point
The spectrophotometric result of optical element is best, and the overall structure form of beam splitter is more conducive to process.In the present embodiment, it is divided
Element can be prism, perhaps one of plane mirror can be divided film using prism, film or plane mirror, and
Spectrophotometric result is good, and light can be divided into several different wavelength range light waves, and the light wave of the range of every kind of wavelength matches different
Sensitive chip, 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；
The light wave separated by spectral module 2, wavelength a part is between 420 nanometers to 650 nanometers, another part position
Between 700 nanometers to 1100 nanometers.The light wave range of visible light is 420-650nm, wherein 420-480nm range light wave color
Show as bluish violet, 480-580nm range light wave is yellow green, 580-650nm range light wave be it is orange red, i.e., in the present invention point
The effect of photosystem is to extract the corresponding wavelength band of different colours respectively, realizes better color reducibility, and
Less than 420nm and greater than the light wave of 650nm, hardly cover the color rendition that the color that visible light is showed can not achieve
Property.The light wave of corresponding 700-1100 wave band is near-infrared light waves, all or part of light extracted by beam splitting system
Wave can be very good to promote picture brightness.And the light wave between 650-700, generally transition light wave, for promoting color also
Originality and promote brightness all without good advantage, for being greater than the light wave of 1100nm, exist in the design it is larger difficult and compared with
Hardly possible matches corresponding sensitive chip, so with the obvious advantage within the scope of 700-1100 light wave.
In the present embodiment, a part of light wave separated by spectral module 2, when being following specific wavelength light wave, image
Picture it is apparent, color reducibility can be more preferable, specific wavelength are as follows: 420 nanometers, 435 nanometers, 450 nanometers, 465 nanometers, 480
Nanometer, 495 nanometers, 510 nanometers, 525 nanometers, 540 nanometers, 550 nanometers, 565 nanometers, 580 nanometers, 595 nanometers, 610 nanometers,
625 nanometers, 640 nanometers, 650 nanometers.
Another part light wave range includes 700 nanometers to 1100 nanometers of light wave, another portion separated by spectral module 2
It is divided wave, when being following specific wavelength light wave, the picture of image is apparent, and color reducibility can be more preferable, specific wavelength are as follows: 700
Nanometer, 725 nanometers, 750 nanometers, 775 nanometers, 800 nanometers, 825 nanometers, 850 nanometers, 875 nanometers, 900 nanometers, 925 nanometers,
950 nanometers, 975 nanometers, 1000 nanometers, 1025 nanometers, 1050 nanometers, 1075 nanometers, 1100 nanometers.The present invention is exactly using upper
The raising optical system clarity of embodiment realization is stated, color reducibility is increased, and realizes shooting system under low-light (level) environment
System also can blur-free imaging purpose.
As shown in Figure 1, in the present embodiment, the camera system includes at least one spectral module 2；Specific packet
Spectral module 2 and three sensitive chips 3 there are two including；Structure setting and layout are more reasonable.
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
Processing module 4 realizes the reduction and reproduction of image, to improve optical system clarity, increases color reducibility, and real
Now camera system also can blur-free imaging under low-light (level) environment.
Claims (10)
1. the camera system that one kind can divide more light, which is characterized in that including optical lens (1), the optical lens (1) imaging
Side, which is equipped with, to transmit the spectral module (2) that the light wave come is divided into several different wavelength range light waves for optical lens (1)；It is described
Camera system further include at least two for receiving the sensitive chips (3) of the optical signal separated through spectral module (2)；Described
Camera system further includes the image processing module (4) that can each sensitive chip (3) received light wave integrated and be exported；Institute
It is provided with light splitting inclined-plane on the spectral module (2) stated, is divided the angle a on inclined-plane and horizontal direction, meets 60 °≤a≤170 °；It is logical
The light wave that spectral module (2) separates is crossed, wavelength is between 420 nanometers to 650 nanometers or wavelength a part is located at 420 nanometers extremely
Between 650 nanometers, another part is between 700 nanometers to 1100 nanometers.
2. the camera system that one kind according to claim 1 can divide more light, which is characterized in that pass through spectral module (2) point
Light wave out, wavelength is 420 nanometers, 435 nanometers, 450 nanometers, 465 nanometers, 480 nanometers, 495 nanometers, 510 nanometers, 525 receive
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.
3. the camera system that one kind according to claim 1 can divide more light, which is characterized in that pass through spectral module (2) point
Light wave out, wavelength a part be 420 nanometers, 435 nanometers, 450 nanometers, 465 nanometers, 480 nanometers, 495 nanometers, 510 nanometers,
525 nanometers, 540 nanometers, 550 nanometers, 565 nanometers, 580 nanometers, 595 nanometers, 610 nanometers, 625 nanometers, 640 nanometers, 650 receive
Rice in a branch of or multi beam, another part be 700 nanometers, 725 nanometers, 750 nanometers, 775 nanometers, 800 nanometers, 825 nanometers,
850 nanometers, 875 nanometers, 900 nanometers, 925 nanometers, 950 nanometers, 975 nanometers, 1000 nanometers, 1025 nanometers, 1050 nanometers,
A branch of or multi beam in 1075 nanometers, 1100 nanometers.
4. the camera system that one kind according to claim 1 can divide more light, which is characterized in that light splitting inclined-plane and horizontal direction
Angle a, meet 60 °≤a≤90 °.
5. the camera system that one kind according to claim 1 can divide more light, which is characterized in that light splitting inclined-plane and horizontal direction
Angle a, meet 90 °≤a≤130 °.
6. the camera system that one kind according to claim 1 can divide more light, which is characterized in that light splitting inclined-plane and horizontal direction
Angle a, meet 130 °≤a≤170 °.
7. the camera system that one kind according to claim 1 can divide more light, which is characterized in that the spectral module (2)
It include at least one piece of beam splitter.
8. the camera system that one kind according to claim 1 can divide more light, it is characterised in that: the camera system includes
There is at least one spectral module (2).
9. the camera system that one kind according to claim 8 can divide more light, it is characterised in that: the camera system includes
There are two spectral module (2).
10. the camera system that one kind according to claim 1 can divide more light, it is characterised in that: the camera system packet
There are three including sensitive chip (3).
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106911882A (en) * | 2017-03-29 | 2017-06-30 | 中山联合光电科技股份有限公司 | A kind of many light camera systems |
| CN107121783A (en) * | 2017-06-23 | 2017-09-01 | 中山联合光电科技股份有限公司 | A kind of imaging system |
| CN207232540U (en) * | 2017-06-23 | 2018-04-13 | 中山联合光电科技股份有限公司 | A kind of imaging device |
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2019
- 2019-07-10 CN CN201910618588.XA patent/CN110460752A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106911882A (en) * | 2017-03-29 | 2017-06-30 | 中山联合光电科技股份有限公司 | A kind of many light camera systems |
| CN107121783A (en) * | 2017-06-23 | 2017-09-01 | 中山联合光电科技股份有限公司 | A kind of imaging system |
| CN207232540U (en) * | 2017-06-23 | 2018-04-13 | 中山联合光电科技股份有限公司 | A kind of imaging device |
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