CN110568583A - Periscopic camera and mobile device - Google Patents
Periscopic camera and mobile device Download PDFInfo
- Publication number
- CN110568583A CN110568583A CN201910668736.9A CN201910668736A CN110568583A CN 110568583 A CN110568583 A CN 110568583A CN 201910668736 A CN201910668736 A CN 201910668736A CN 110568583 A CN110568583 A CN 110568583A
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- reflector
- mirror
- periscopic camera
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- photosensitive chip
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- 230000003287 optical effect Effects 0.000 claims description 6
- 238000003384 imaging method Methods 0.000 description 4
- 206010070834 Sensitisation Diseases 0.000 description 3
- 230000008313 sensitization Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/0055—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element
- G02B13/0065—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element having a beam-folding prism or mirror
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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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Microscoopes, Condenser (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention relates to the technical field of mobile terminals, in particular to a periscopic camera and mobile equipment. The periscopic camera comprises a photosensitive chip, a first reflector, a second reflector, a third reflector and a lens group, wherein the second reflector and the first reflector are arranged at intervals along a first direction, the third reflector and the first reflector are provided with set intervals in the first direction and a second direction perpendicular to the first direction, and the lens group is arranged between the first reflector and the second reflector; the first reflector is arranged towards the light inlet, and the first reflector, the second reflector and the third reflector are matched with each other, so that light entering from the light inlet is reflected to the photosensitive chip, and the photosensitive chip is used for forming an image. The periscopic camera provided by the invention has relatively larger focal length, and the increase of the focal length is not limited by the width size of the mobile equipment adopting the camera.
Description
Technical Field
The invention relates to the technical field of mobile terminals, in particular to a periscopic camera and mobile equipment.
Background
With the trend of light and thin design requirements of mobile devices such as mobile phones, the thickness of more and more mobile phones is smaller and smaller. However, the size of the focal length has a great influence on the imaging effect of the camera, and the size of the camera in the mobile device such as the current mobile phone is generally large in order to obtain a large focal length, and further conflicts with the idea of being light and thin. However, the existing periscopic camera usually extends along the width direction of a mobile device such as a mobile phone, and the focal length of the camera cannot be greatly enlarged due to the limited width of the mobile phone, so that the existing periscopic camera cannot meet the requirement of the focal length.
disclosure of Invention
The technical problem to be solved by the invention is as follows: because the width of mobile devices such as mobile phones is limited, the current periscopic cameras still have the condition that the focal length requirement cannot be met.
(II) technical scheme
In order to achieve the above technical problem, the present invention provides a periscopic camera, which comprises a photosensitive chip, a first reflector, a second reflector, a third reflector and a lens group, wherein,
The second reflector and the first reflector are arranged at intervals along a first direction, the third reflector and the first reflector are provided with set intervals in the first direction and a second direction perpendicular to the first direction, and the lens group is arranged between the first reflector and the second reflector;
The first reflector is arranged towards the light inlet, and the first reflector, the second reflector and the third reflector are matched with each other, so that light entering from the light inlet is reflected to the photosensitive chip, and the photosensitive chip is used for forming an image.
optionally, the lens group is disposed between the second mirror and the third mirror,
And/or the lens group is arranged between the third reflector and the photosensitive chip.
Optionally, the second mirror and the first mirror are parallel to each other, and the third mirror and the first mirror are perpendicular to each other.
Optionally, the lens group includes at least one convex lens and at least one concave lens, and an optical axis of each of the convex lenses and an optical axis of each of the concave lenses are parallel to each other.
optionally, the periscopic camera provided by the present invention further includes a fourth reflector, the fourth reflector is matched with the third reflector, the fourth reflector and the third reflector are located on the same side of the first reflector, and the fourth reflector and the first reflector have a set distance in the second direction.
Optionally, the lens group is disposed between the third mirror and the fourth mirror.
Optionally, the periscopic camera provided by the present invention further includes a fifth reflector, the fifth reflector is matched with the fourth reflector, and the fifth reflector is located on a side of the fourth reflector far from the first reflector.
Optionally, the lens group is disposed between the fourth mirror and the fifth mirror.
Optionally, the fourth mirror and the third mirror are parallel to each other, and the fifth mirror and the first mirror are parallel to each other.
The second aspect of the invention also provides a mobile device comprising a periscopic camera as provided in any of the above.
(III) advantageous effects
In the periscopic camera provided by the invention, light enters the camera from the light inlet, then the light is reflected to the lens group through the first reflector, and after being focused by the lens group, the light is emitted to the photosensitive chip under the action of the second reflector and the third reflector, so that the focal length of the camera is increased; and, because first speculum and second speculum set up along first direction interval, third speculum and first speculum all have the interval of setting for in first direction and the second direction of perpendicular to first direction, thereby no matter how the width size of the mobile device that adopts this camera, because whole camera increases the focus through extending in at least two directions, therefore the increase of this camera focus no longer limits in the width size of mobile device, thereby can change lens group, first speculum, the second speculum, arrangement mode and interval etc. between third speculum and the sensitization chip according to actual demand, make the increase of the focus of this camera can satisfy the user demand.
drawings
The advantages of the above and/or additional aspects of the present invention will become apparent and readily appreciated from the following description of the embodiments taken in conjunction with the accompanying drawings of which:
Fig. 1 is a schematic structural diagram of a periscopic camera provided in an embodiment of the present invention;
Fig. 2 is another schematic structural diagram of a periscopic camera according to an embodiment of the present invention.
Reference numerals
1-a first mirror; 2-a second mirror; 3-a third mirror; 4-a fourth mirror; 5-a fifth mirror; 6-a photosensitive chip; 7-lens group.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.
As shown in fig. 1, the present invention provides a periscopic camera, which comprises a photosensitive chip 6, a first reflector 1, a second reflector 2, a third reflector 3 and a lens group 7, wherein the second reflector 2 and the first reflector 1 are arranged at intervals along a first direction, so that the first direction and the second direction have a set distance; meanwhile, a lens group 7 is arranged between the first reflector 1 and the second reflector 2, and the first reflector 1 faces the light inlet, so that light rays enter the periscopic camera from the light inlet, are reflected by the first reflector 1 and then are focused by the lens group 7 to irradiate the second reflector 2, and under the condition, an image formed on the second reflector 2 is an image formed on the second reflector 2 by the light rays entering from the light inlet. The third reflector 3 and the second reflector 2 cooperate with each other so that the image on the second reflector 2 can be reflected onto the third reflector 3 and finally be directed to the photosensitive chip 6 via the third reflector 3 to form an image by means of the photosensitive chip 6. The periscopic camera has relatively large focal length due to the certain size of the space between the second reflector 2 and the first reflector 1, between the third reflector 3 and the second reflector 2, and between the third reflector 3 and the photosensitive chip 6. In more detail, the focal length of the periscopic camera is substantially equal to the sum of the distance between the center of the lens group 7 and the second reflecting mirror 2, the distance between the second reflecting mirror 2 and the third reflecting mirror 3, and the distance between the third reflecting mirror 3 and the photosensitive chip 6.
Simultaneously, because second reflector 2 and first reflector 1 set up along the first direction interval, third reflector 3 and first reflector 1 all set up at the interval on first direction and second direction, and the second direction is perpendicular with the first direction, this periscopic camera is through the direction of propagation that changes light many times also, make the implementation of this periscopic camera increase focus, no longer receive the restriction of single direction size such as the width of the mobile device that adopts this periscopic camera, and then in the design process of this periscopic camera, can be according to the actual length value and the width value of the mobile device that adopts this periscopic camera, through changing modes such as interval between the different parts in the periscopic camera, change the actual focus value of this periscopic camera, so that the focus value of this periscopic camera can satisfy the design demand.
Specifically, the photosensitive chip 6 may include a charge-coupled element, or the photosensitive chip 6 may also include a complementary metal oxide semiconductor device; the lens group 7 may include a plurality of lenses, and in order to improve the image quality and/or the image range, the lens group 7 may preferably include at least one convex lens and at least one concave lens, the two lenses may be arranged in a predetermined rule, and the optical axes of the two lenses are parallel to each other, so as to focus the light entering through the light inlet, so as to form an image with a wider picture and/or a relatively high definition, and then reflect the image through the second reflector 2 and the third reflector 3, and finally irradiate the image onto the photosensitive chip 6, so as to form an image. The first reflector 1, the second reflector 2 and the third reflector 3 can be all total reflection prisms, and the three can be arranged in a set rule, and only the light rays are required to be reflected by the three and then can be emitted to the photosensitive chip 6, namely, the incident angles of the three are equal to the reflection angles.
Meanwhile, the direction of the optical axis of the lens group 7 is parallel to the direction of the light emitted from the first reflector 1 to the second reflector 2; the distance between the lens group 7 and the first and second reflectors 1 and 2 can be determined according to actual requirements. Meanwhile, the distance between the second reflector 2 and the third reflector 3, and the distance between the third reflector 3 and the photosensitive chip 6 can also be determined according to the setting position of the lens group 7 and other specific factors; correspondingly, the sizes of the second reflector 2 and the third reflector 3 can also be determined according to the setting position of the lens group 7, and under the condition that the size of the mirror image is relatively large, the image formed by focusing and re-diverging the light rays through the lens group 7 can be completely represented on the second reflector 2 and finally on the photosensitive chip 6 by properly increasing the sizes of the second reflector 2 and the third reflector 3.
It should be noted that the first direction and the second direction may be any two directions perpendicular to each other, the first direction may be parallel to the axial direction of the light inlet, the first direction may also be perpendicular to the axial direction of the light inlet, or an included angle with another value may also exist between the first direction and the axial direction of the light inlet, which is not limited herein.
In order to further improve the imaging quality and/or imaging range of the periscopic camera, a lens group 7 may be preferably disposed between the second reflector 2 and the third reflector 3, and the lens group 7 may also include at least one convex lens and at least one concave lens, so that light rays may be focused multiple times to irradiate the photosensitive chip 6 during the operation of the periscopic camera.
Specifically, the structural composition and model of the lens group 7 between the second reflector 2 and the third reflector 3, etc. may be the same as or different from the structural composition and model of the lens group 7 between the first reflector 1 and the second reflector 2; meanwhile, the installation positions of the two lens groups 7 can be determined according to actual conditions, and the distances between the two lens groups 7 and the two corresponding adjacent reflectors can be different from each other, so that the corresponding images can form complete and clear mirror images on the corresponding reflectors after being focused by the lens groups 7.
Further, a lens group 7 may also be disposed between the third reflector 3 and the light sensing chip 6, so as to focus the light entering from the light inlet more times, thereby further improving the quality and/or range of the formed image. Accordingly, the structural composition and type of the lens group 7 between the third reflector 3 and the photosensitive chip 6 may be different from those of the other two groups of lens groups 7, and the distance between the third reflector 3 and the lens group 7 may also be flexibly determined according to the mounting positions and other parameters of the other two groups of lens groups 7.
In order to improve the structural compactness of the whole periscopic camera, preferably, the second reflecting mirror 2 and the first reflecting mirror 1 can be parallel to each other, and the third reflecting mirror 3 and the first reflecting mirror 1 are perpendicular to each other, in this case, the space utilization rate in the whole periscopic camera is high, so that the periscopic camera occupying a small space can have a large focal length.
specifically, as shown in fig. 1, the direction indicated by the arrow is the propagation direction of the light entering from the light inlet. First speculum 1, second speculum 2 and third speculum 3 all can be 45 settings relatively advancing the axial of light mouthful, and make first speculum 1 towards advancing the light mouth, and second speculum 2 is towards first speculum 1, and third speculum 3 is towards second speculum 2, and sensitization chip 6 sets up towards third speculum 3 to make light after the triple reflection, shoot to sensitization chip 6 again. The above-mentioned orientation refers to a general orientation, and more precisely, two components that are mutually matched in the above-mentioned plurality of components are in a relatively inclined relationship, not in a directly facing relationship. In addition, taking the second reflecting mirror 2 and the first reflecting mirror 1 as an example, the two mirrors are parallel to each other, which means that the mirror surfaces having the reflecting function are parallel to each other, and the positional relationship between the parts other than the mirror surfaces, such as the mounting case, is not necessarily parallel to each other, and is not limited herein. In this embodiment, the first direction may be a width direction of a mobile device employing the periscopic camera, and accordingly, the second direction may be a length direction of the mobile device.
In order to further increase the focal length of the periscopic camera, as shown in fig. 2, the periscopic camera according to the embodiment of the present invention may further include a fourth reflector 4, the fourth reflector 4 is disposed toward the third reflector 3, and the photosensitive chip 6 is disposed toward the fourth reflector 4, so that the light may still be reflected multiple times and finally emitted toward the photosensitive chip 6 after entering from the light inlet. Similarly, in order to ensure that the focal length of the periscopic camera is not limited by the width of the mobile device itself, the fourth mirror 4 and the third mirror 3 may be located on the same side of the first mirror 1, and the fourth mirror 4 and the first mirror 1 may have a set distance in the second direction. Accordingly, the position of the photosensitive chip 6 can also be flexibly changed according to the actual position of the fourth reflecting mirror 4. Specifically, the fourth reflector 4 may also be a total reflection prism, and the size of the total reflection prism may be determined according to parameters such as the size of the first reflector 1, the structural composition and the position of the lens group 7, and the like.
Further, a lens group 7 may be disposed between the third reflector 3 and the fourth reflector 4, so as to focus the light entering from the light inlet more times, so as to further ensure that the light entering from the light inlet can form a high-definition image on the photosensitive chip 6. Accordingly, the structural composition and parameters of the lens groups 7 between the third mirror 3 and the fourth mirror 4 may be different from those of the lens groups 7 at other positions, but the actual structures and specific parameters of several groups of lens groups 7 are determined according to the actual situation during the light propagation focusing process.
Optionally, the periscopic camera provided in the embodiment of the present invention may further include a fifth reflecting mirror 5, where the fifth reflecting mirror 5 is matched with the fourth reflecting mirror 4, and the fifth reflecting mirror 5 is located on a side of the fourth reflecting mirror 4 away from the first reflecting mirror 1, in this case, the focal length of the entire periscopic camera may be further increased, and the increase of the focal length is not limited by the width size of the mobile device using the periscopic camera. Correspondingly, the fifth reflecting mirror 5 may also be a total reflection prism, and the size thereof may be determined according to actual conditions such as the installation position and specific parameters of other components. And, a lens group 7 may also be disposed between the fourth mirror 4 and the fifth mirror 5, so as to further improve the definition or imaging range of the image formed on the photosensitive chip 6.
In some cases, the parameters such as the structures, shapes, and sizes of the first reflecting mirror 1, the second reflecting mirror 2, the third reflecting mirror 3, the fourth reflecting mirror 4, and the fifth reflecting mirror 5 may be the same; correspondingly, the structural composition and other parameters of the plurality of lens groups 7 can be correspondingly the same, and it is only required to ensure that the light entering from the light inlet can form a clear image on the photosensitive chip 6 after being reflected and focused for multiple times.
Optionally, the fourth reflector 4 and the third reflector 3 may be parallel to each other, and the fifth reflector 5 may be parallel to each other with the first reflector 1, when the plurality of components in the periscopic camera adopt the above arrangement mode, the focal length may be further increased, but the overall structure size of the camera may not be increased too much, and the utilization ratio of the space is relatively high.
based on the periscopic camera provided in any one of the above embodiments, a second aspect of the present invention further provides a mobile device, which includes the periscopic camera provided in any one of the above embodiments. The mobile device may be a mobile phone, a tablet computer, a recorder, or the like.
In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the communication may be direct, indirect via an intermediate medium, or internal to both elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A periscopic camera is characterized by comprising a photosensitive chip (6), a first reflector (1), a second reflector (2), a third reflector (3) and a lens group (7), wherein,
the second reflector (2) and the first reflector (1) are arranged at intervals along a first direction, the third reflector (3) and the first reflector (1) are arranged at intervals along the first direction and a second direction perpendicular to the first direction, and the lens group (7) is arranged between the first reflector (1) and the second reflector (2);
The first reflector (1) is arranged towards the light inlet, the first reflector (1), the second reflector (2) and the third reflector (3) are matched with each other, so that light entering from the light inlet is reflected to the photosensitive chip (6), and the photosensitive chip (6) is used for forming an image.
2. Periscopic camera according to claim 1, characterized in that the lens group (7) is arranged between the second mirror (2) and the third mirror (3),
And/or the lens group (7) is arranged between the third reflector (3) and the photosensitive chip (6).
3. Periscopic camera according to claim 1, characterized in that the second mirror (2) and the first mirror (1) are parallel to each other, and the third mirror (3) and the first mirror (1) are perpendicular to each other.
4. Periscopic camera according to claim 1, wherein the lens group (7) comprises at least one convex lens and at least one concave lens, the optical axis of each convex lens and the optical axis of each concave lens being mutually parallel.
5. Periscopic camera according to any one of claims 1 to 4, further comprising a fourth mirror (4), the fourth mirror (4) cooperating with the third mirror (3), and the fourth mirror (4) and the third mirror (3) being located on the same side of the first mirror (1), the fourth mirror (4) having a set distance from the first mirror (1) in the second direction.
6. Periscopic camera according to claim 5, characterized in that the lens group (7) is arranged between the third mirror (3) and the fourth mirror (4).
7. Periscopic camera according to claim 5, further comprising a fifth mirror (5), wherein the fifth mirror (5) cooperates with the fourth mirror (4), and the fifth mirror (5) is located on a side of the fourth mirror (4) remote from the first mirror (1).
8. Periscopic camera according to claim 7, characterized in that the lens group (7) is arranged between the fourth mirror (4) and the fifth mirror (5).
9. Periscopic camera according to claim 7, wherein the fourth mirror (4) and the third mirror (3) are parallel to each other, and the fifth mirror (5) and the first mirror (1) are parallel to each other.
10. A mobile device, characterized in that it comprises a periscopic camera according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910668736.9A CN110568583A (en) | 2019-07-23 | 2019-07-23 | Periscopic camera and mobile device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910668736.9A CN110568583A (en) | 2019-07-23 | 2019-07-23 | Periscopic camera and mobile device |
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| CN110568583A true CN110568583A (en) | 2019-12-13 |
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| CN201910668736.9A Pending CN110568583A (en) | 2019-07-23 | 2019-07-23 | Periscopic camera and mobile device |
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| CN113079290A (en) * | 2021-03-29 | 2021-07-06 | 维沃移动通信有限公司 | Camera module and electronic equipment |
| CN113093365A (en) * | 2019-12-20 | 2021-07-09 | 宁波舜宇光电信息有限公司 | Optical assembly, periscopic camera module and electronic equipment |
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| CN113079290A (en) * | 2021-03-29 | 2021-07-06 | 维沃移动通信有限公司 | Camera module and electronic equipment |
| CN113114893A (en) * | 2021-04-12 | 2021-07-13 | 维沃移动通信有限公司 | Camera module and electronic equipment |
| CN113114893B (en) * | 2021-04-12 | 2022-12-27 | 维沃移动通信有限公司 | Camera module and electronic equipment |
| CN113623916A (en) * | 2021-08-09 | 2021-11-09 | 珠海格力电器股份有限公司 | Image pickup apparatus, refrigerator, and method for controlling image pickup apparatus |
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Application publication date: 20191213 |
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