CN108111731A - A kind of camera module - Google Patents
A kind of camera module Download PDFInfo
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- CN108111731A CN108111731A CN201711446250.8A CN201711446250A CN108111731A CN 108111731 A CN108111731 A CN 108111731A CN 201711446250 A CN201711446250 A CN 201711446250A CN 108111731 A CN108111731 A CN 108111731A
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- light
- image sensor
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- camera
- camera module
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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
- H04N23/10—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from 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
- H04N23/45—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from two or more image sensors being of different type or operating in different modes, e.g. with a CMOS sensor for moving images in combination with a charge-coupled device [CCD] for still images
-
- 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
-
- 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
- H04N23/56—Cameras or camera modules comprising electronic image sensors; Control thereof provided with illuminating means
-
- 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
- H04N23/667—Camera operation mode switching, e.g. between still and video, sport and normal or high- and low-resolution modes
-
- 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
- H04N23/68—Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
-
- 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
- H04N23/68—Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
- H04N23/681—Motion detection
- H04N23/6812—Motion detection based on additional sensors, e.g. acceleration sensors
-
- 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
- H04N23/71—Circuitry for evaluating the brightness variation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/30—Transforming light or analogous information into electric information
- H04N5/33—Transforming infrared radiation
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Studio Devices (AREA)
Abstract
The embodiment of the invention discloses a kind of camera module, including camera lens, RGB image sensor, infrared image sensor, the first lens and the second lens.Camera lens, RGB image sensor are identical with the number of infrared image sensor, and correspond；First lens are used to incident light being divided into the first light and the second light, and the first light is visible light ray, exposes to RGB image sensor in photosensitive imaging on daytime；Second light is infrared light, through the second reflection from lens to infrared image sensor in nighttime imaging；First light is incident to the optical path difference that the light path of RGB image sensor and the second light are incident between the light path of infrared image sensor and meets preset time condition；RGB image sensor is used to judge current shooting environment for daytime or night by the brightness in external environment.The application realizes the switching of monitoring mode on daytime and night monitoring pattern, improves the shooting quality of camera module, is conducive to obtain high-resolution, the picture of high quality.
Description
Technical field
The present embodiments relate to photographic equipment technical field, more particularly to a kind of camera module.
Background technology
As user is higher and higher to the quality requirement for being imaged picture, camera shooting, photographic equipment technology is forced to continue to develop, with
Obtain high quality, high-definition picture.
In the prior art, monitoring camera module realizes that the method for daytime and night monitoring pattern switching is by camera shooting mould
Sensor devices and IR switch are set in group, and sensitive chip is imaging sensor, and IR switch includes two tablet filters and power
Module, optical filter are a piece of infrared cutoff or (the common filter of absorption filter (infrared fileter) and a piece of full impregnated spectral filter
Mating plate), power plant module can be electromagnetism, motor or other power sources.
Camera module needs are shot under two kinds of scenes of day and night, and in design, two can not be taken into account simultaneously
The shooting effect of person causes that shooting effect good under a kind of scene can only be obtained, and under another scene, the picture matter of shooting
Amount is not high.
Therefore the shooting quality of camera module how is improved, obtain high-resolution, the picture of high quality is those skilled in the art
Urgent problem to be solved.
The content of the invention
The purpose of the embodiment of the present invention is to provide a kind of camera module, improves the shooting quality of camera module, obtains high
Clearly, the picture of high quality.
In order to solve the above technical problems, the embodiment of the present invention provides following technical scheme：
An embodiment of the present invention provides a kind of camera module, including：
Camera lens, RGB image sensor, infrared image sensor, the first lens and the second lens；
The camera lens, the RGB image sensor are identical with the number of the infrared image sensor, and camera lens with
One RGB image sensor and an infrared image sensor are corresponding；
The light that first lens are used to will transmit through the camera lens is divided into the first light and the second light, first light
Line is visible light ray, exposes to the RGB image sensor in photosensitive imaging on daytime；Second light is infrared light,
By second reflection from lens to the infrared image sensor in nighttime imaging；The optical path difference of first light path and the second light path
Meet preset time condition, first light path is incident to the light path of the RGB image sensor for first light；It is described
Second light path is incident to the light path of the infrared image sensor for second light；
The RGB image sensor is used to judge that current shooting environment is gone back for daytime by the brightness in external environment
It it is night, to determine the sensitive chip of camera module work at present.
Optionally, first light is reflection light, and second light is transmitted ray.
Optionally, the camera lens number is 1, and the lens number is 1.
Optionally, camera lens number is multiple that each camera lens is in well word structure setting on pedestal.
Optionally, camera lens number is multiple that a plurality of lenses includes a telephoto lens and a wide-angle lens.
Optionally, further include：
Optical filter is set in the groove of lens barrel, and the shape of the groove matches with the optical filter.
Optionally, cut film is set on the eyeglass of the camera lens, the transmission for selectivity is incident to camera module
Light.
Optionally, further include：
Anti-shaking module, the anti-shaking module include guide rod, magnet and stabilization coil.
Optionally, the anti-shaking module further includes：
Gyroscope, for passing through the lens barrel amount of movement for detecting multi-cam.
An embodiment of the present invention provides a kind of camera module, including camera lens, RGB image sensor, infrared image sensing
Device and lens.Camera lens, RGB image sensor are identical with the number of infrared image sensor, and a camera lens and a RGB image
Sensor and an infrared image sensor are corresponding；Lens are used to incident light being divided into the first light and the second light,
First light is visible light ray, exposes to RGB image sensor in photosensitive imaging on daytime；Second light is infrared light, is shone
Infrared image sensor is incident upon in nighttime imaging；First light is incident to the light path of RGB image sensor and the incidence of the second light
Meet preset time condition to the optical path difference between the light path of infrared image sensor；RGB image sensor is used to pass through basis
Brightness in external environment judges current shooting environment for daytime or night.
The advantages of technical solution that the application provides is, by for same camera lens set RGB image sensor and
One infrared image sensor, is respectively used to photosensitive imaging on daytime and night photosensitive imaging；Using RGB image sensor according to outer
Brightness in portion's environment judges that current shooting environment for daytime or night, determines the photosensitive core of camera module work at present
Piece, so as to fulfill the switching of monitoring mode on daytime and night monitoring pattern.By setting different images for different photographed scenes
Sensor greatly improves effective pixel, improved shooting quality, is conducive to obtain high-resolution, high quality
Picture.
Description of the drawings
It, below will be to embodiment or existing for the clearer technical solution for illustrating the embodiment of the present invention or the prior art
Attached drawing is briefly described needed in technology description, it should be apparent that, the accompanying drawings in the following description is only this hair
Some bright embodiments, for those of ordinary skill in the art, without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 provides a kind of specific embodiment structure chart of camera module for the embodiment of the present invention；
Fig. 2 provides another specific embodiment structure chart of camera module for the embodiment of the present invention.
Specific embodiment
In order to which those skilled in the art is made to more fully understand the present invention program, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.Obviously, described embodiment be only part of the embodiment of the present invention rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Lower all other embodiments obtained, belong to the scope of protection of the invention.
Term " first ", " second ", " the 3rd " " in the description and claims of this application and above-mentioned attached drawing
Four " etc. be for distinguishing different objects rather than for describing specific order.In addition term " comprising " and " having " and
Their any deformations, it is intended that cover non-exclusive include.Such as contain the process of series of steps or unit, method,
The step of system, product or equipment are not limited to list or unit, but the step of may include not list or unit.
After the technical solution of the embodiment of the present invention is described, the various nonrestrictive realities of detailed description below the application
Apply mode.
Referring first to Fig. 1, Fig. 1 is a kind of specific embodiment structure of camera module provided in an embodiment of the present invention
Figure, the embodiment of the present invention may include herein below：
Camera module may include camera lens 1, the first lens 2, RGB image sensor 3, infrared image sensor 4 and second
Lens 5.
Camera lens 1 can be a plurality of lenses or 1 camera lens, you can for single-lens camera module or more camera shootings
Head camera module, this does not influence the realization of the application.
Camera lens, RGB image sensor are identical with the number of infrared image sensor, and a camera lens and a RGB image
Sensor and an infrared image sensor are corresponding, for example, single camera module includes a camera lens, a RGB figure
As sensor and an infrared image sensor.
When camera module includes a plurality of lenses, each camera lens is arranged on above pedestal module, such as can directly be revolved
Enter into pedestal module, each camera lens layout can according to the demand of user, the volume of multi-cam module, multi-cam into
The specific actual conditions of this grade are determined, and the application is not limited in any way this.
In a kind of specific embodiment, each camera lens can be in well word structure setting on pedestal module.
When camera lens 1 is a plurality of lenses, in order to meet the needs of user's difference photographed scene, a focal length can be included at least
Camera lens, a wide-angle lens realize optical zoom function.
First lens 2 are the film for being coated with specific function so that when light is incident to the first lens 2, two-beam line can be divided into,
A branch of (the first light) is visible light ray and a branch of (the second light) is infrared light.
Second lens 5 are used to the second light exported from the first lens reflexing to infrared image sensor 4.Second lens
5 can be any lens with reflection function, and the application does not do this any restriction.
In a kind of specific embodiment, when being incident to the first lens 2 by the light of camera lens 1, a branch of reflection is obtained
Light, reflection light are visible light ray, and through Beam line, transmitted ray is infrared light.
During visible light ray direct irradiation to RGB image sensor, RGB image sensor is in photosensitive imaging on daytime；It is infrared
Light reflexes to infrared image sensor 4 through the second lens 5, and infrared image sensor 4 is in nighttime imaging.So as to for different
Photographed scene sets different classes of imaging sensor, to improve effective pixel, so as to promote shooting quality.
In the prior art, a camera lens corresponds to a sensitive chip and IR switch, and sensitive chip needs are directed to simultaneously
Carry out photosensitive imaging under two kinds of scenes of day and night, when being designed, sensitive chip is directed to having under a kind of scene
Good imaging effect, and the clarity of the image shot under another scene is not high.
RGB image sensor 3 be used for by the brightness in external environment judge current shooting environment for daytime still
Night, to determine the sensitive chip of camera module work at present.When RGB image sensor 3 judges that current shooting environment is white
It when, then the chip that works in current shooting environment is RGB image sensor 3；When RGB image sensor 3 judges current shooting
When environment is night, then the chip to work in current shooting environment is infrared image sensor 3, corresponds to monitoring mode on daytime respectively
With night monitoring pattern.Daytime and night, effective pixel points can all be promoted under two kinds of scenes, two kinds using different sensitive chips
The clarity of the picture obtained in monitoring mode is all higher.
Certainly, it is necessary to which explanation, RGB image sensor 3 are judging that the brightness in external environment carries out judgement bat
Take the photograph environment for daytime either night when, can preset and a luminance threshold is set, present intensity is being not above predetermined luminance
During threshold value, then shooting environmental is night.
First light path is incident to the light path of RGB image sensor for the first light；Second light path is incident to for the second light
The light path of infrared image sensor.The optical path difference of first light path and the second light path needs to meet preset time condition, adjustment RGB figures
As the position between sensor 3, infrared image sensor 4, the first lens and the second lens so that the first light path and the second light path
There is certain difference, i.e. RGB image sensor photosensitive imaging and 4 photosensitive imaging generation time of infrared image sensor is poor.
In technical solution provided in an embodiment of the present invention, by for same camera lens set RGB image sensor and
One infrared image sensor, is respectively used to photosensitive imaging on daytime and night photosensitive imaging；Using RGB image sensor according to outer
Brightness in portion's environment judges that current shooting environment for daytime or night, determines the photosensitive core of camera module work at present
Piece, so as to fulfill the switching of monitoring mode on daytime and night monitoring pattern.By setting different images for different photographed scenes
Sensor greatly improves effective pixel, improved shooting quality, is conducive to obtain high-resolution, high quality
Picture.
Based on above-described embodiment, it is contemplated that when being shot when optics deficiency, often cause under-exposure, lead
Cause shooting picture of low quality.Therefore can be in the circumferentially disposed groove of lens barrel madial wall, groove is used to carry optical filter, the shape of groove
Shape matches with optical filter.It can give each eyeglass that one tablet filter is installed, can also a lens barrel be given to dispose one, and be arranged on
On first eyeglass or the last one eyeglass or any one eyeglass, this does not influence the realization of the application.
Optical filter can be infrared fileter, certainly, other optical filters can also be used.Using infrared fileter, can correct
The problem of colour cast on daytime, it may also be used for night takes pictures or images, and promotes night brightness, reduces snowflake noise, makes picture more soft
With.
, need not be to an infrared fileter be set before each camera lens for multi-cam module, it can be at it
In set before one or several camera lenses.It therefore, can be according to user demand and specific actual feelings when lens bracket designs
Condition, several wherein or 1 inner barrel set the groove of carrying optical filter, specifically where set groove, the application
Any restriction is not done to this.
It since optical filter needs to occupy certain volume, and needs to set groove, in order to which camera module is towards miniaturization
Development, can set cut film on the eyeglass of the camera lens of camera module, and the transmission for selectivity is incident to camera module
Light.When there is a plurality of lenses, need not cut film be set to each eyeglass, it can be wherein before one or several camera lenses
Setting.
Optionally, in order to further ensure the clarity that multi-cam module is taken pictures, based on above-described embodiment, figure is referred to
2, camera module may also include anti-shaking module 6, and the anti-shaking module 6 may include guide rod, magnet and stabilization coil.
Wherein, the both ends of guide rod may be provided with returning device, such as spring, and returning device one end may be provided at multi-cam
On the pedestal of module, the other end is arranged on the shell of dual camera.Magnet includes upper magnet and lower magnet, and stabilization coil can be set
Put with below lower magnet, and can be opposite in lower magnet interval.
Anti-shaking module 6 can drive stabilization lens movement (to move) compensation camera lens shake up and down by galvanomagnetic-effect
(that is offset an influence by the counter motion with camera lens jitter direction is fuzzy).Specifically controlled by the gyroscope of detection movement,
I.e. gyroscope is by detecting the lens barrel amount of movement of multi-cam, to control anti-shaking module.
By setting anti-shaking module 6, the quality of the captured image of camera module can be further promoted, is conducive to be promoted and use
The usage experience at family.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with it is other
The difference of embodiment, just to refer each other for same or similar part between each embodiment.For embodiment disclosed device
For, since it is corresponded to the methods disclosed in the examples, so description is fairly simple, related part is said referring to method part
It is bright.
Professional further appreciates that, with reference to each exemplary unit of the embodiments described herein description
And algorithm steps, can be realized with the combination of electronic hardware, computer software or the two, in order to clearly demonstrate hardware and
The interchangeability of software generally describes each exemplary composition and step according to function in the above description.These
Function is performed actually with hardware or software mode, specific application and design constraint depending on technical solution.Specialty
Technical staff can realize described function to each specific application using distinct methods, but this realization should not
Think beyond the scope of this invention.
It can directly be held with reference to the step of method or algorithm that the embodiments described herein describes with hardware, processor
The combination of capable software module or the two is implemented.Software module can be placed in random access memory (RAM), memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium well known in field.
A kind of camera module provided by the present invention is described in detail above.Specific case used herein
The principle of the present invention and embodiment are set forth, the explanation of above example is only intended to help to understand side of the invention
Method and its core concept.It should be pointed out that for those skilled in the art, the principle of the invention is not being departed from
Under the premise of, can also to the present invention some improvement and modification can also be carried out, these improvement and modification also fall into the claims in the present invention
In protection domain.
Claims (9)
1. a kind of camera module, which is characterized in that including：
Camera lens, RGB image sensor, infrared image sensor, the first lens and the second lens；
The camera lens, the RGB image sensor are identical with the number of the infrared image sensor, and a camera lens and one
RGB image sensor and an infrared image sensor are corresponding；
The light that first lens are used to will transmit through the camera lens is divided into the first light and the second light, and first light is
Visible light ray exposes to the RGB image sensor in photosensitive imaging on daytime；Second light is infrared light, is passed through
Second reflection from lens is to the infrared image sensor in nighttime imaging；The optical path difference of first light path and the second light path meets
Preset time condition, first light path are incident to the light path of the RGB image sensor for first light；Described second
Light path is incident to the light path of the infrared image sensor for second light；
The RGB image sensor is used to judge current shooting environment for daytime or night by the brightness in external environment
Between, to determine the sensitive chip of camera module work at present.
2. camera module according to claim 1, which is characterized in that first light is reflection light, described the
Two light are transmitted ray.
3. camera module according to claim 1, which is characterized in that the camera lens number is 1, first lens
Number is 1.
4. according to the camera module described in claims 1 to 3 any one, which is characterized in that camera lens number is multiple, each mirror
Head is in well word structure setting on pedestal.
5. camera module according to claim 4, which is characterized in that camera lens number is multiple, and a plurality of lenses includes
One telephoto lens and a wide-angle lens.
6. camera module according to claim 5, which is characterized in that further include：
Optical filter is set in the groove of lens barrel, and the shape of the groove matches with the optical filter.
7. camera module according to claim 6, which is characterized in that cut film on the eyeglass of the camera lens is set, is used
The light of camera module is incident in the transmission of selectivity.
8. camera module according to claim 7, which is characterized in that further include：
Anti-shaking module, the anti-shaking module include guide rod, magnet and stabilization coil.
9. multi-cam module according to claim 8, which is characterized in that the anti-shaking module further includes：
Gyroscope, for passing through the lens barrel amount of movement for detecting multi-cam.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711446250.8A CN108111731A (en) | 2017-12-27 | 2017-12-27 | A kind of camera module |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711446250.8A CN108111731A (en) | 2017-12-27 | 2017-12-27 | A kind of camera module |
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| CN108111731A true CN108111731A (en) | 2018-06-01 |
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| CN201711446250.8A Pending CN108111731A (en) | 2017-12-27 | 2017-12-27 | A kind of camera module |
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Cited By (13)
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| CN110139015A (en) * | 2019-06-13 | 2019-08-16 | 深圳惠聪科技有限公司 | A kind of electron telescope |
| CN110213479A (en) * | 2019-04-30 | 2019-09-06 | 北京迈格威科技有限公司 | A kind of video capture anti-fluttering method and device |
| CN110557526A (en) * | 2018-06-04 | 2019-12-10 | 杭州海康威视数字技术股份有限公司 | Image acquisition method and system |
| CN111193879A (en) * | 2020-03-17 | 2020-05-22 | 东莞市鑫泰仪器仪表有限公司 | Single-lens multiband multiplexing imaging device and imaging method thereof |
| CN111385477A (en) * | 2020-03-17 | 2020-07-07 | 浙江大华技术股份有限公司 | Mode switching control method and device for camera, camera and storage medium |
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