CN204334737U - Camera assembly - Google Patents
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- CN204334737U CN204334737U CN201420068226.0U CN201420068226U CN204334737U CN 204334737 U CN204334737 U CN 204334737U CN 201420068226 U CN201420068226 U CN 201420068226U CN 204334737 U CN204334737 U CN 204334737U
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- image unit
- image
- optical axis
- camera assembly
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Abstract
The embodiment of a kind of camera assembly of the utility model, comprises the first image unit and the second image unit: described first image unit comprises the first lens subassembly and the first imageing sensor, and described first lens subassembly is real image on described first imageing sensor; Described second image unit comprises the second lens subassembly and the second imageing sensor, and described second lens subassembly is real image on described second imageing sensor; Described first lens subassembly has a shared region to the light path of described first imageing sensor and described second lens subassembly to the light path of described second imageing sensor.The beneficial effect of the present embodiment reduces cumulative volume.
Description
Technical field
The present invention relates to a kind of camera assembly, especially save space-efficient, compact camera assembly.
Background technology
Patent US20120053407 (name is called: Multi-camera endoscope) describes a kind of human body endoscope of multi-cam.Fig. 1 is the endoscope schematic diagram of existing patent, the primary optical axis of three cameras 101 90 ° each other in figure, by adding the camera of two sides thus space of broadening one's vision.But three cameras are integrated in the front end of endoscope, endoscope spatial volume is made to be difficult to reduce.Endoscope size for human body is larger, causes the possibility of damage also larger to human body.Wish that the function of endoscope is stronger but volume is less for a long time always.Except the endoscope for human body, the electronic equipment of portable set, spaces compact is also very sensitive to the volume of picture pick-up device.
Summary of the invention
The object of this invention is to provide a kind of camera assembly, while two or more image unit integrated, save volumetric spaces.
A kind of camera assembly embodiment, comprises the first image unit and the second image unit: described first image unit comprises the first lens subassembly and the first imageing sensor, and described first lens subassembly is real image on described first imageing sensor; Described second image unit comprises the second lens subassembly and the second imageing sensor, and described second lens subassembly is real image on described second imageing sensor; Described first lens subassembly has a shared region to the light path of described first imageing sensor and described second lens subassembly to the light path of described second imageing sensor.The beneficial effect of the present embodiment reduces cumulative volume.
Based on first embodiment, another embodiment also comprises: angle in 90 ° between the primary optical axis vector of described first image unit and described second image unit; Also comprise the 3rd image unit, the primary optical axis vector angle all in 90 ° of its primary optical axis vector and described first image unit, described second image unit.The beneficial effect of the present embodiment is: reduce cumulative volume, can take the panoramic picture within a cuboid drift angle.
Based on first embodiment, another embodiment also comprises: become 120 ° of angles between the primary optical axis vector of described first image unit and described second image unit; Also comprise the 3rd image unit, its primary optical axis vector all becomes 120 ° of angles with the primary optical axis vector of described first image unit, described second image unit.The beneficial effect of the present embodiment is: reduce cumulative volume, can take 360 ° of annular panoramic images.
Based on first embodiment, then an embodiment also comprises: into about 109.5 ° of angles between the primary optical axis vector of described first image unit and described second image unit; Also comprise the 3rd image unit, the 4th image unit, all image units primary optical axis vector is between any two all into about 109.5 ° of angles.The beneficial effect of the present embodiment is: reduce cumulative volume, can take 360 ° of stereoscopic panoramic images.
Be more than brief summary of the invention, also have other invention detail with reference embodiment part.
Accompanying drawing explanation
Fig. 1 is the endoscope schematic diagram of existing patent;
Fig. 2 is camera assembly first embodiment schematic diagram of the present invention;
Fig. 3 is camera assembly second embodiment schematic diagram of the present invention;
Fig. 4 is camera assembly of the present invention 3rd embodiment schematic diagram;
Fig. 5 is six prism mirrors of the 3rd embodiment;
Fig. 6 is that the primary optical axis of the 4th embodiment four image units arranges schematic diagram;
Fig. 7 is the schematic layout pattern of one of the 4th embodiment image unit;
Fig. 8 is the camera lens schematic layout pattern of the 4th embodiment four image units.
Embodiment
Below in conjunction with the drawings and specific embodiments, implementation method of the present invention is described.
It is camera assembly first embodiment schematic diagram of the present invention shown in Fig. 2.First image unit comprises the first imageing sensor 201 and the first lens subassembly, with 203 for primary optical axis (common optical axis) distribution.Primary optical axis with shooting direction, towards the direction of arrow of 203, is called primary optical axis vector herein by the shooting direction of described first image unit.Imageing sensor is CCD (Charge-coupled Device) imageing sensor or CMOS (Complementary Metal Oxide Semiconductor) imageing sensor etc. electronic image sensor.Described first lens subassembly is real image on described first imageing sensor.Second image unit comprises the second imageing sensor 202 and the second lens subassembly, and along primary optical axis vector 204 distribution, described second lens subassembly is real image on described second imageing sensor.The mutual juxtaposition of part light path of the first image unit and the second image unit, thus make two image unit total space smaller volume.In Fig. 2 two image units shared region in also there is a quadrangular mirror (prismsquare) 205.First image unit uses the upper and lower surfaces of quadrangular mirror 205 to adjust light path, and the second image unit uses light path faced by two, the left and right of quadrangular mirror 205 to adjust.The curved surface of needs can be worn in four faces of described quadrangular mirror 205.Or according to different optical designs, make the shared region of two image units interior without any prism mirror.
Described two image units also have light path control switch 206,207 respectively, and described light path control switch also can be shutter.When two image unit photographic images, control described light path control switch synchronization and only open a road light path, avoid the scattering of light in another one light path to disturb, to be a real image clearly on imageing sensor 201 or 202.
In the present embodiment, the primary optical axis vector angle of the first image unit and the second image unit is 90 °.In fact, lens subassembly and imageing sensor is less or their spacing is larger, the primary optical axis vector angle of the first image unit and the second image unit can be greater or lesser, such as, be the unspecified angle between 45 °-135 °.
It is camera assembly second embodiment schematic diagram of the present invention shown in Fig. 3.In figure, main body is the termination 301 of an endoscope, it has three image units, their primary optical axis vector 90 ° each other.Described three image units are respectively: the first image unit, the second image unit, the 3rd image unit, and their camera lens is respectively 302,303,304, and their imageing sensor is respectively: 305,306,307.As long as the visual angle of three image units is enough wide, such as visual angle is more than 90 °, and the present embodiment just can take the panoramic picture within a cuboid drift angle, as panoramic picture in the room seen in corner, room one.The camera lens of described three image units and imageing sensor enclosed area are shared regions.Therefore, the camera assembly of the present embodiment than three of disclosed patent US20120053407 independently camera there is less cumulative volume.Equally, three image units of the present embodiment all have light path control switch or shutter, the light scattering interference avoiding other image unit light path.
In the present embodiment, the primary optical axis vector angle each other of first, second and third image unit is 90 °.The primary optical axis vector angle of first, second and third image unit can also be greater or lesser, such as, unspecified angle between 45 °-105 °.
It is camera assembly of the present invention 3rd embodiment schematic diagram shown in Fig. 4.The primary optical axis vector of three image units is respectively 401,402,403, and they are in same plane, and is in 120 ° of angles.The lens subassembly of described three image units is respectively 404,405,406, and the imageing sensor of described three image units is respectively 407,408,409.Described three lens subassemblies are wide-angle lens, and the present embodiment camera assembly can carry out 360 ° of coverings in described plane, and can take annular panoramic image, each image unit at least covers the visual angle of 120 °.Lens subassembly and the imageing sensor enclosed area of described three image units are shared regions.Light path control switch or the shutter of described three image units are respectively 410,411,412.
In the present embodiment, the primary optical axis vector angle each other of first, second and third image unit is 120 °.The primary optical axis vector angle of first, second and third image unit can also be less, such as, unspecified angle between 105 °-120 °.
Another execution mode, can also place six prism mirrors (prism hexagon) as shown in Figure 5 in the shared region of Fig. 4 embodiment.Two faces 501,502 relative in six sides are for the light path of one of them image unit.The curved surface of needs can be worn in described face 501,502.Other sides of described six prism mirrors the like.
Another execution mode, can also increase by the 4th image unit (not shown) in Fig. 4, its primary optical axis vector normal in paper, and existing three primary optical axis vectors 401,402,403 perpendicular and cross.4th image unit provides extra visual angle.Described four image units also have shared region, save total space volume.Another execution mode, also can place six prism mirrors as shown in Figure 5 in described shared region, the 4th image unit uses the upper and lower surfaces 503,504 of described six prism mirrors to carry out light path adjustment, and the curved surface of needs can be worn in described face 503,504.
Any two or any three of four image units in above-described embodiment can form camera assembly of the present invention, improve space efficiency utilization, reduce total volume.
It is the primary optical axis layout schematic diagram of camera assembly of the present invention 4th embodiment four image units shown in Fig. 6.The primary optical axis vector 601,602,603,604 of four image units is the vector from the central point of positive tetrahedron to each summit, and their angles are between any two about about 109.5 ° (more accurate, to be 109.4712 °).
It is the schematic layout pattern of one of camera assembly of the present invention 4th embodiment image unit shown in Fig. 7.Shown in image unit be made up of imageing sensor 702 and lens subassembly 701, arrange along primary optical axis vector 601, the direction of arrow of its shooting direction towards 601.For ease of illustrating, in positive tetrahedron, draw eight planes perpendicular to four primary optical axis vectors 601,602,603,604, eight planes are parallel between two, and the region that they surround forms a regular octahedron ABCDEF.The primary flat (Principalplanes) of lens subassembly 701 is close and parallel with face ABC, and imageing sensor 702 is close and parallel with face DEF.Face ABC, face DEF are vertical with primary optical axis vector 601.
In order to the lens subassembly of a clear expression image unit and the position of imageing sensor in figure, other three image units do not draw.They distribute along primary optical axis vector 602,603,604 respectively, their the shooting direction direction of arrow towards 602,603,604.The primary flat of the lens subassembly of an image unit in them is close and parallel with face CEF, and its imageing sensor is close and parallel with face ABD; The primary flat of the lens subassembly of another image unit is close and parallel with face BDE, and its imageing sensor is close and parallel with face ACF; The primary flat of the lens subassembly of last image unit is close and parallel with face ADF, and its imageing sensor is close and parallel with face BCE.The shared region of described four image units is roughly within regular octahedron ABCDEF.
Fig. 8 is the camera lens schematic layout pattern of the 4th embodiment four image units.There is shown the lens subassembly 801,802,803,804 of four image units.Their primary optical axis vector is respectively 601 in Fig. 7,602,603,604.As long as the visual angle of finding a view of four image units is enough wide, visual angle of such as finding a view reaches or more than 109.5 °, then the combination of four image units can photograph the stereoscopic panoramic image of 360 °.The once shooting of the present embodiment represents that each image unit takes piece image successively within the short time.By Digital Image Processing, the image that described four image units are once taken is merged, spliced, generate panorama sketch.Just can obtain the image at either direction or visual angle.
If the extensive angle of four image units is not enough to once take and obtains panoramic picture, but they spatially cover four angularly poor different directions, thus avoid occurring large single blind area.When this camera assembly takes repeatedly image with different rotation directions, can be merged by Digital Image Processing, the blind area that stays when supplementing single shot, thus improve the chance obtaining panoramic picture.When image unit extensive angle is inadequate, the present embodiment is more conducive to obtaining panoramic picture by the shooting of dynamic direction.
Any two or any three of four image units in above-described embodiment can form camera assembly of the present invention, improve space efficiency utilization, reduce total volume.
Camera assembly of the present invention is particularly suitable for the camera system needing miniaturization/microminiaturization, such as, for the electronic equipment of the photograph capsule of the endoscope of human body, oral formula, portable unit or spaces compact.The present invention is used for peep in human body, needs lighting device and assist.More preferably, described lighting device is LED cold light source.More preferably, described lighting device is blinking illumination equipment.More preferably, each image unit has independent lighting device.If the lighting device of image unit can control the camera watch region that most light is radiated at oneself, seldom amount light enters the camera lens of other image units, then light path control switch noted earlier also can not be arranged.The optional electronic shutter of image unit, is different from traditional physical shutter in this case.
Because the design of camera lens, generally have one-tenth image distortion more or less.The another execution mode of the present invention, reduces the cumulative volume of camera assembly as far as possible in lens subassembly design, but becomes image distortion may become poorer, and described one-tenth image distortion is revised by Computer Image Processing mode.The present invention also can compromise, as long as the final picture quality obtained meets the demands reducing cumulative volume and become between image distortion.
Any people being familiar with this technology, in the technical scope disclosed by the present invention, can expect change easily or replace, should drop within protection scope of the present invention.
Claims (10)
1. a camera assembly, comprises the first image unit and the second image unit: described first image unit comprises the first lens subassembly and the first imageing sensor, and described first lens subassembly is real image on described first imageing sensor; Described second image unit comprises the second lens subassembly and the second imageing sensor, and described second lens subassembly is real image on described second imageing sensor;
It is characterized in that: described first lens subassembly has a shared region to the light path of described first imageing sensor and described second lens subassembly to the light path of described second imageing sensor.
2. camera assembly as claimed in claim 1, is characterized in that: the angle between the primary optical axis vector of described first image unit and described second image unit is between 45 °-135 °.
3. camera assembly as claimed in claim 2, it is characterized in that: also comprise the 3rd image unit, described first image unit, described second image unit and described 3rd image unit primary optical axis vector angle are between any two between 45 °-120 °.
4. camera assembly as claimed in claim 3, is characterized in that: described first image unit, described second image unit and described 3rd image unit primary optical axis vector angle are between any two one of following three angle values: 90 °, 109.5 ° and 120 °.
5. camera assembly as claimed in claim 3, is characterized in that: described first image unit, described second image unit and described 3rd image unit primary optical axis vector angle are between any two 120 °; Also comprise the 4th image unit, the primary optical axis vector angle all in 90 ° of its primary optical axis vector and aforementioned three image units.
6. camera assembly as claimed in claim 3, is characterized in that: described first image unit, described second image unit and described 3rd image unit primary optical axis vector angle are between any two 109.5 °; Also comprise the 4th image unit, its primary optical axis vector all becomes 109.5 ° of angles with the primary optical axis vector of aforementioned three image units.
7. camera assembly as claimed in claim 1, is characterized in that: described shared region has a prism mirror, and the light path of described first image unit and described second image unit is by described prism mirror.
8. the camera assembly according to any one of claim 1-7, is characterized in that: each image unit described has independent lighting device.
9. the camera assembly according to any one of claim 1-7, is characterized in that: each image unit described has independent light path control switch.
10. the camera assembly according to any one of claim 1-7, is characterized in that: the light path of each image unit described is by described shared region.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420068226.0U CN204334737U (en) | 2014-02-17 | 2014-02-17 | Camera assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420068226.0U CN204334737U (en) | 2014-02-17 | 2014-02-17 | Camera assembly |
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| CN204334737U true CN204334737U (en) | 2015-05-13 |
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| CN201420068226.0U Expired - Fee Related CN204334737U (en) | 2014-02-17 | 2014-02-17 | Camera assembly |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106713898A (en) * | 2017-03-02 | 2017-05-24 | 深圳看到科技有限公司 | Three-lens panoramic 3D camera |
| CN108282606A (en) * | 2017-01-05 | 2018-07-13 | 浙江舜宇智能光学技术有限公司 | Panorama mosaic method and its equipment |
-
2014
- 2014-02-17 CN CN201420068226.0U patent/CN204334737U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108282606A (en) * | 2017-01-05 | 2018-07-13 | 浙江舜宇智能光学技术有限公司 | Panorama mosaic method and its equipment |
| CN108282606B (en) * | 2017-01-05 | 2020-09-15 | 浙江舜宇智能光学技术有限公司 | Panoramic stitching method and equipment |
| CN106713898A (en) * | 2017-03-02 | 2017-05-24 | 深圳看到科技有限公司 | Three-lens panoramic 3D camera |
| CN106713898B (en) * | 2017-03-02 | 2021-04-23 | 深圳看到科技有限公司 | Three-lens panoramic 3D camera |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 Termination date: 20220217 |
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| CF01 | Termination of patent right due to non-payment of annual fee |