CN110460754A - A kind of adjustable camera system of more light - Google Patents
A kind of adjustable camera system of more light Download PDFInfo
- Publication number
- CN110460754A CN110460754A CN201910618677.4A CN201910618677A CN110460754A CN 110460754 A CN110460754 A CN 110460754A CN 201910618677 A CN201910618677 A CN 201910618677A CN 110460754 A CN110460754 A CN 110460754A
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- nanometers
- light
- spectral module
- sensitive chip
- plane
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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
-
- 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)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Color Television Image Signal Generators (AREA)
Abstract
The invention discloses a kind of more adjustable camera systems of 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 includes the light path regulating mechanism for adjusting light path and the sensitive chip for receiving the optical signal separated through spectral module；Camera system includes the image processing module that can the received light wave of each sensitive chip integrated and be exported；Light path regulating mechanism is arranged between spectral module and sensitive chip, and light splitting inclined-plane is provided 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 adjustable camera system of 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 a kind of more adjustable camera systems of 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: a kind of more adjustable camera systems of 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 the light path regulating mechanism for adjusting light path
With the sensitive chip for receiving the optical signal separated through spectral module；The camera system further includes can be by each photosensitive core
The image processing module that the received light wave of piece is integrated and exported；Light path regulating mechanism setting the spectral module with
Between the sensitive chip, it is provided with light splitting inclined-plane on the spectral module, is divided the angle a on inclined-plane and horizontal direction, it is full
60 °≤a≤170 ° of foot；The light wave separated by spectral module, wavelength is between 420 nanometers to 650 nanometers or wavelength one
Quartile between 420 nanometers to 650 nanometers, another part is between 700 nanometers to 1100 nanometers.
A kind of more adjustable camera systems of light as described above, 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.
A kind of more adjustable camera systems of light as described above, 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.
A kind of more adjustable camera systems of light as described above, which is characterized in that the angle on light splitting inclined-plane and horizontal direction
A meets 60 °≤a≤90 °.
A kind of more adjustable camera systems of light as described above, which is characterized in that the angle on light splitting inclined-plane and horizontal direction
A meets 90 °≤a≤130 °.
A kind of more adjustable camera systems of light as described above, which is characterized in that the angle on light splitting inclined-plane and horizontal direction
A meets 130 °≤a≤170 °.
A kind of more adjustable camera systems of light as described above, which is characterized in that the spectral module includes at least
One piece of beam splitter.
A kind of more adjustable camera systems of light as described above, which is characterized in that the camera system includes at least
One spectral module.
A kind of more adjustable camera systems of light as described above, which is characterized in that there are two the camera system includes
Spectral module.
A kind of more adjustable camera systems of light as described above, which is characterized in that there are three the camera system includes
Sensitive chip and three light path regulating mechanisms.
Compared with prior art, a kind of more adjustable camera systems of light of the invention achieving the following effects:
1, the light path regulating mechanism for adjusting light path is provided between spectral module of the invention and the sensitive chip,
It drives sensitive chip mobile by light path regulating mechanism, the image of subject is enable clearly to be imaged on sensitive chip；
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 °, when light splitting is oblique
When face meets above-mentioned 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；It is logical
The light wave that spectral module separates is crossed, wavelength is between 420 nanometers to 650 nanometers or wavelength a part is located at 420 nanometers to 650
Between nanometer, another part is between 700 nanometers to 1100 nanometers；Because the light wave range of visible light is 420-650nm,
Middle 420-480nm range light wave color shows as bluish violet, and 480-580nm range light wave is yellow green, 580-650nm range light
Wave be it is orange red, i.e., the effect of beam splitting system is to extract the corresponding wavelength band of different colours respectively in the present invention, real
Now better color reducibility；The light wave of corresponding 700-1100 wave band, is near-infrared light waves, is extracted by beam splitting system
All or part of light 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, 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；
[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 adjustable camera system of 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 light path regulating mechanism 3 for adjusting light path and for receiving the photosensitive of the optical signal separated through spectral module 2
Chip 4；The principle of light path regulating mechanism 3 is exactly to pass through to drive sensitive chip mobile, until the imaging clearly position on sensitive chip
It sets, the camera system further includes the image procossing mould that can the received light wave of each sensitive chip 4 integrated and be exported
Block 5；The light path regulating mechanism 3 is arranged between the spectral module 2 and the sensitive chip 4, on the spectral module 2
It is provided with light splitting inclined-plane, is divided the angle a on inclined-plane and horizontal direction, meets 60 °≤a≤170 °；When light splitting inclined-plane meet it is above-mentioned
When 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, outside restriction range
Angle, the difficulty of processing for being divided inclined-plane is big, be unable to satisfy light splitting and require, and the placement position meeting and other structures of sensitive chip
Interference is generated, 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 4 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 4 receive respectively, and different sensitive chips 4 receives the light wave of particular range of wavelengths respectively, finally by image
The reduction and reproduction of the realization image of processing module 5；
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
2, three light path regulating mechanisms 3 of spectral module and three sensitive chips 4 there are two including.One of sensitive chip is for receiving the
The light wave that one spectral module separates, other two sensitive chip is for receiving the light wave that second spectral module separates, structure
It is rationally distributed.
Embodiment two
As shown in Figure 1, a kind of adjustable camera system of 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 4 of the optical signal separated through spectral module 2；The camera system is also
Including the image processing module 5 that can the received light wave of each sensitive chip 4 integrated and be exported；The light path regulating mechanism
3 are arranged between the spectral module 2 and the sensitive chip 4, are adjusted on sensitive chip by driving sensitive chip movement
Imaging definition, imaging effect is more preferable；It is provided with light splitting inclined-plane on the spectral module 2, is divided inclined-plane and horizontal direction
Angle a, meet 60 °≤a≤170 °；When light splitting inclined-plane meets above-mentioned angle, the light splitting inclined-plane of beam splitting system is machined with
It ensures, and the placement location of sensitive chip is more reasonable, the angle outside restriction range, the difficulty of processing for being divided inclined-plane is big, can not
Meet light splitting to require, and the placement position of sensitive chip can generate interference with other structures, 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, adjusts respectively through light path regulating mechanism 3
Light path, for blur-free imaging on corresponding sensitive chip 4, different sensitive chips 4 receives the light of particular range of wavelengths respectively respectively
Wave realizes the reduction and reproduction of image finally by image processing module 5；
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
2, three light path regulating mechanisms 3 of spectral module and three sensitive chips 4 there are two including；One of sensitive chip is for receiving the
The light wave that one spectral module separates, other two sensitive chip is for receiving the light wave that second spectral module separates, structure
It is rationally distributed.
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, adjusts respectively through light path regulating mechanism 3
Light path, for blur-free imaging on corresponding sensitive chip 4, different sensitive chips 4 receives the light of particular range of wavelengths respectively respectively
Wave realizes that the reduction and reproduction of image increase to improve optical system clarity finally by image processing module 5
Color reducibility, and realize that camera system also can blur-free imaging under low-light (level) environment.
Claims (10)
1. a kind of adjustable camera system of 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 light path regulating mechanism (3) for adjusting light path and for receiving the light separated through spectral module (2)
The sensitive chip (4) of signal；The camera system further include each sensitive chip (4) received light wave can be carried out integration and
The image processing module (5) of output；The light path regulating mechanism (3) is arranged in the spectral module (2) and the sensitive chip
(4) between, be provided with light splitting inclined-plane on the spectral module (2), be divided the angle a on inclined-plane and horizontal direction, meet 60 °≤
a≤170°；The light wave separated by spectral module (2), wavelength is between 420 nanometers to 650 nanometers or wavelength a part position
Between 420 nanometers to 650 nanometers, another part is between 700 nanometers to 1100 nanometers.
2. a kind of more adjustable camera systems of light according to claim 1, 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. a kind of more adjustable camera systems of light according to claim 1, 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. a kind of more adjustable camera systems of light according to claim 1, which is characterized in that light splitting inclined-plane and horizontal direction
Angle a, meet 60 °≤a≤90 °.
5. a kind of more adjustable camera systems of light according to claim 1, which is characterized in that light splitting inclined-plane and horizontal direction
Angle a, meet 90 °≤a≤130 °.
6. a kind of more adjustable camera systems of light according to claim 1, which is characterized in that light splitting inclined-plane and horizontal direction
Angle a, meet 130 °≤a≤170 °.
7. a kind of more adjustable camera systems of light according to claim 1, which is characterized in that the spectral module (2)
It include at least one piece of beam splitter.
8. a kind of more adjustable camera systems of light according to claim 1, which is characterized in that the camera system includes
There is at least one spectral module (2).
9. a kind of more adjustable camera systems of light according to claim 8, which is characterized in that the camera system includes
There are two spectral module (2).
10. a kind of more adjustable camera systems of light according to claim 1, which is characterized in that the camera system packet
Sensitive chip (4) and three light path regulating mechanisms (3) there are three including.
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| CN201910618677.4A CN110460754A (en) | 2019-07-10 | 2019-07-10 | A kind of adjustable camera system of more light |
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| CN201910618677.4A CN110460754A (en) | 2019-07-10 | 2019-07-10 | A kind of adjustable camera system of more light |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106817526A (en) * | 2017-03-29 | 2017-06-09 | 中山联合光电科技股份有限公司 | A kind of adjustable camera system of many light |
| CN208890917U (en) * | 2018-11-14 | 2019-05-21 | 杭州海康威视数字技术股份有限公司 | A kind of lens assembly and video camera |
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2019
- 2019-07-10 CN CN201910618677.4A patent/CN110460754A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106817526A (en) * | 2017-03-29 | 2017-06-09 | 中山联合光电科技股份有限公司 | A kind of adjustable camera system of many light |
| CN208890917U (en) * | 2018-11-14 | 2019-05-21 | 杭州海康威视数字技术股份有限公司 | A kind of lens assembly and video camera |
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