CN115291457A - Camera front cover and camera - Google Patents
Camera front cover and camera Download PDFInfo
- Publication number
- CN115291457A CN115291457A CN202210937637.8A CN202210937637A CN115291457A CN 115291457 A CN115291457 A CN 115291457A CN 202210937637 A CN202210937637 A CN 202210937637A CN 115291457 A CN115291457 A CN 115291457A
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- China
- Prior art keywords
- camera
- lens
- light source
- light
- housing
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- 230000000903 blocking effect Effects 0.000 claims abstract description 48
- 230000004888 barrier function Effects 0.000 claims description 6
- 239000003566 sealing material Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000011358 absorbing material Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/02—Bodies
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B11/00—Filters or other obturators specially adapted for photographic purposes
- G03B11/04—Hoods or caps for eliminating unwanted light from lenses, viewfinders or focusing aids
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Camera Bodies And Camera Details Or Accessories (AREA)
Abstract
The embodiment of the present disclosure provides a camera front cover and a camera, wherein the camera front cover includes: a housing; the light source lens and the camera lens are assembled in the shell, the light source lens is used for being arranged in front of the projection direction of the light source, and the camera lens is used for being arranged in front of the camera; and the light blocking piece surrounds the light source lens and separates the light source lens from the camera lens. The light blocking piece can completely and physically block light, when light emitted by the light source is reflected to the periphery through the light source lens, reflected light meets the light blocking piece and is blocked, so that the reflected light cannot enter the field angle range of a nearby camera and cannot be transmitted to the nearby camera, the problem of noise formed by stray light in an image in the related art is solved, and the image quality is improved.
Description
Technical Field
The present disclosure relates to the field of camera technologies, and in particular, to a camera front cover and a camera.
Background
In the present camera, referring to fig. 1, the camera includes a camera front cover 1, a light source 2, and a camera head 3, and a lens 4 is mounted in the camera front cover 1. The camera front cover 1 is formed with a light source through hole 1a and a camera through hole 1b, the lens 4 covers the light source through hole 1a and the camera through hole 1b, the light source 2 is located behind the light source through hole 1a, and the camera 3 is located behind the camera through hole 1b.
The working principle is that the light source 2 can emit light to illuminate the object in front, so that the camera 3 shoots by capturing the reflected light of the object.
Inventing messages
In view of the above disadvantages of the related art, an object camera front cover and a camera are provided to solve the problem of poor quality of images captured by the camera in the related art.
A first aspect of the present disclosure provides a camera front cover, comprising:
a housing;
the light source lens and the camera lens are assembled in the shell, the light source lens is used for being arranged in front of the projection direction of the light source, and the camera lens is used for being arranged in front of the camera;
and the light ray blocking piece surrounds the light source lens and separates the light source lens from the camera lens.
In some embodiments, the light blocking member is embedded in the lens and separates the lens into a light source lens and a camera lens.
In some embodiments, an annular blocking groove is provided between the camera lens and the light source lens, and the light blocking member is located in the annular blocking groove and is mounted with the housing portion of the groove bottom.
In some embodiments, a sealing material is disposed between the light barriers and the sidewalls of the annular partition groove.
In some embodiments, the light blocking member is a unitary structure with the housing.
In some embodiments, the front top surface of the light blocking member is not lower than the front surface of the light source lens.
In some embodiments, the housing is divided into:
a lens assembling area for assembling the camera lens and the light source lens;
and an outer zone surrounding the lens mounting area;
wherein the front top surface of the light barrier does not exceed the front top surface of the outer region.
In some embodiments, a first through hole and a second through hole are formed in the housing;
wherein, the light source lens covers first through-hole, and the camera lens covers the second through-hole.
A second aspect of the present disclosure provides a camera, comprising:
the camera front cover;
the camera is positioned behind the camera lens;
and the light source is positioned behind the light source wafer.
In some embodiments, the camera is a monocular camera or a monocular camera, the monocular camera comprising at least two cameras.
As described above, in the embodiments of the present disclosure, a camera front cover and a camera are provided, in which the camera front cover includes: a housing; the light source lens and the camera lens are assembled in the shell, the light source lens is used for being arranged in front of the projection direction of the light source, and the camera lens is used for being arranged in front of the camera; and the light blocking piece surrounds the light source lens and separates the light source lens from the camera lens. The light blocking piece can completely and physically block light, when light emitted by the light source is reflected to the periphery through the light source lens, reflected light meets the light blocking piece and is blocked, so that the reflected light cannot enter the field angle range of a nearby camera and cannot be transmitted to the nearby camera, the problem of noise formed by stray light in an image in the related art is solved, and the image quality is improved.
Drawings
Fig. 1 shows a cross-sectional view of a related art camera, where the cross-section passes through a light source centerline.
Fig. 2 shows a perspective view of a camera front cover of an embodiment of the present disclosure.
FIG. 3 shows a cross-sectional view of a camera of an embodiment of the disclosure, where the cross-section passes through a light source centerline.
Detailed Description
Embodiments of the present disclosure are described below with reference to specific examples, and other advantages and effects of the present disclosure will be readily apparent to those skilled in the art from the disclosure. The disclosure may be embodied or carried out in various other specific embodiments and with various modifications or alterations from various aspects and applications of the disclosure without departing from the spirit of the disclosure. It is to be noted that the embodiments and features of the embodiments in the present disclosure may be combined with each other without conflict.
Embodiments of the present disclosure are described in detail below with reference to the accompanying drawings so that those skilled in the art to which the present disclosure pertains can easily carry out the embodiments. The present disclosure may be embodied in many different forms and is not limited to the embodiments described herein.
Reference in the representation of the present disclosure to the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. Furthermore, the particular features, structures, materials, or characteristics shown may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of different embodiments or examples presented in this disclosure can be combined and combined by one skilled in the art without contradiction.
Furthermore, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the expressions of the present disclosure, "plurality" means two or more unless specifically defined otherwise.
In order to clearly explain the present disclosure, components that are not related to the description are omitted, and the same reference numerals are given to the same or similar components throughout the specification.
Throughout the specification, when a device is referred to as being "connected" to another device, this includes not only the case of being "directly connected" but also the case of being "indirectly connected" with another element interposed therebetween. In addition, when a device "includes" a certain component, unless otherwise stated, the device does not exclude other components, but may include other components.
Although the terms first, second, etc. may be used herein to describe various elements in some instances, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, the first interface and the second interface are represented. Also, as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context indicates otherwise. It will be further understood that the terms "comprises," "comprising," "includes" and/or "including," specify the presence of stated features, steps, operations, elements, modules, items, species, and/or groups, but do not preclude the presence, or addition of one or more other features, steps, operations, elements, modules, items, species, and/or groups thereof. The terms "or" and/or "as used herein are to be construed as inclusive or meaning any one or any combination. Thus, "A, B or C" or "A, B and/or C" means "either: a; b; c; a and B; a and C; b and C; A. b and C ". An exception to this definition will occur only when a combination of elements, functions, steps or operations performed are inherently mutually exclusive in some manner.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used herein, the singular forms "a", "an" and "the" include plural forms as long as the words do not expressly indicate a contrary meaning. The use of "including" in the specification is meant to specify the presence of stated features, regions, integers, steps, elements, and/or components, but does not preclude the presence or addition of other features, regions, integers, steps, elements, components, and/or groups thereof.
Terms representing relative spatial terms such as "lower", "upper", and the like may be used to more readily describe one element's relationship to another element as illustrated in the figures. Such terms are intended to have not only the meaning indicated in the drawings, but also other meanings or executions of the device in use. For example, if the device in the figures is turned over, elements described as "below" other elements would then be oriented "above" the other elements. Thus, the exemplary terms "under" and "beneath" all include above and below. The device may be rotated 90 or other angles and the terminology representing relative space is also to be interpreted accordingly.
Although not defined differently, including technical and scientific terms used herein, all have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs. Terms defined in commonly used dictionaries are to be additionally interpreted as having meanings consistent with those of related art documents and currently prompted messages, and should not be excessively interpreted as having ideal or very formulaic meanings unless defined.
The inventor finds in practice that the image quality of the image taken by the camera provided using the related art is poor. Further research on the problem shows that, as shown in fig. 1, light emitted from the light source 2 is reflected multiple times on the inner and outer surfaces of the lens 4, as indicated by arrows, and finally enters the nearby camera 3, and this stray light forms noise on the image of the object, thereby resulting in poor image quality.
After finding the cause of the problems in the related art, the inventor further searches the related art, and the current scheme for eliminating the stray light influence of the light source in the industry is as follows: a Black Mask (BM) 5 is disposed on the back of the lens for absorbing stray light, and when light from the light source enters the lens, the stray light reflected by the BM is absorbed and weakened, and the influence of the stray light on the captured image is reduced after multiple absorption.
However, as further analysis on the related art, the BM layer is only a layer of light-absorbing material, which cannot physically completely absorb stray light, the space between the cameras is large enough to eliminate the stray light effect as much as possible, and the effect on small-size multi-view cameras and compact-layout cameras is limited, so that the related art has technical limitations and cannot be used for solving the problem of poor image quality of the cameras.
The inventor tries to solve the technical problems of the related art through other approaches.
The embodiment of the disclosure provides an improved front cover of a camera, and the invention has the idea that stray light is eliminated by physically isolating light of a light source so as to improve the image quality.
Referring to fig. 2 and 3, fig. 2 is a perspective view of a front cover of a camera, and fig. 3 is a sectional view of the camera, in which the section passes through a center line of a light source. Referring to fig. 2 and 3, the camera front cover 10 includes:
a housing 11;
a light source lens 12 and a camera lens 13 which are assembled in the housing 11, wherein the light source lens 12 is used for being arranged in front of the emission direction F of the light source 20, and the camera lens 12 is used for being arranged in front of the camera 30;
and the light barrier 14 surrounds the light source lens 12 and separates the light source lens 12 from the camera lens 13.
The light blocking member 14 can completely and physically block light, and when light emitted by the light source 20 is reflected to the surroundings through the light source lens 12, reflected light is blocked by the light blocking member 14, so that the reflected light cannot enter the field angle range of the nearby camera 30 and cannot be transmitted to the nearby camera 30, thereby avoiding the problem of noise generated by stray light in an image in the related art, and improving the image quality.
Referring to fig. 3, the light blocking member 14 and the housing 11 are of a unitary structure, which means that both are manufactured in the same production process. Specifically, the light blocking member 14 is made of the same material as the housing 11 and the same manufacturing mold is used, so that the light blocking member can be manufactured in the same production process.
The integral structure makes the light blocking member 14 and the housing 11 have no gap in the bottom area, so that the light can be completely blocked from entering the adjacent camera lens 13, thereby further improving the image quality.
In other embodiments of the present disclosure, the light blocking member may be embedded in the lens and separate the lens into a light source lens and a camera lens. In this embodiment, the light blocking member is combined with the lens in an embedded manner, which ensures that there is no gap between the light blocking member and the light source lens and the camera lens, thereby obtaining better image quality.
In another embodiment of the present disclosure, an annular blocking groove is disposed between the camera lens and the light source lens, and the light blocking member is located in the annular blocking groove and is mounted with the housing portion of the groove bottom. In this embodiment, the light blocking member is disposed in the annular blocking groove and is fixedly mounted to the bottom housing to achieve fixation.
Wherein, optionally, the light barrier and the housing may be bonded or otherwise fused or otherwise feasible.
In this case, a sealing material capable of blocking intrusion of external impurities may be further provided between the light blocking member and the side wall of the annular blocking groove. Wherein, the lateral wall of annular blocking groove is formed by camera lens and light source lens. The sealing material is not limited in the embodiments of the present disclosure.
In this embodiment, light blocks and is integrated together through embedded mode between piece, the camera lens and the light source lens, keeps the integrality and the integration of lens. In this way, the fitting between the lens and the housing can be facilitated.
In this embodiment, the bottom surface of the light blocking member is flush with the back surfaces of the camera lens and the light source lens in an inset manner, allowing for seamless contact between the light blocking member and the bottom housing portion.
In an alternative embodiment of the present disclosure, the light blocking member can be embedded in the lens and also mounted with the bottom shell of the annular blocking groove, thereby achieving assembly stability.
As shown in fig. 3, the front top surface 140 of the light blocking member 14 is flush with the front surface 120 of the light source lens 12, and flush with the front surface 120 of the light source lens 12 can effectively block stray light reflected by the front surface 120 of the light source lens 12. Furthermore, this also avoids the formation of a recess above the front top surface 140 of the light blocking member 14, which could lead to dust accumulation.
In another embodiment, the front top surface of the light blocking member may be slightly higher than the front surface of the light source lens, so as to achieve better light blocking effect.
Thus, in an alternative embodiment, the front top surface of the light blocking member may not be lower than the front surface of the light source lens.
Referring to fig. 3, the housing 11 is divided into:
a lens mounting area I for mounting the camera lens 13 and the light source lens 12;
and an outer zone II surrounding the lens mounting zone I;
wherein the front top surface 140 of the light barrier 14 does not exceed the front top surface 110 of the outer region II. This can prevent the light blocking member 14 from protruding forward out of the housing 11, which causes inconvenience in use.
In the embodiment of the present disclosure, as shown in fig. 3, a first through hole 11a and a second through hole 11b are formed in the housing 11, wherein the light source lens 12 covers the first through hole 11a, and the camera lens 13 covers the second through hole 11b. In this case, in the camera, the light source 20 is aligned with the first through hole 11a so that light exits from the first through hole 11a, and the camera 30 is aligned with the second through hole 11b so that reflected light of the surface of the photographic object enters the camera 30 from the second through hole 11b.
In particular, since the light source lens 12 covers the first through hole 11a, the light blocking member 14 completely surrounds the area of the first through hole 11a and does not overlap the area of the second through hole 11b, so that the light emitted from the light source 20 is not directly blocked by the light blocking member 14, and the light entering the camera 30 is not blocked by the light blocking member 14, thereby obtaining better image quality.
The disclosed embodiment also provides the camera shown in fig. 2, which includes a camera front cover 10, a camera 30 and a light source 20, wherein the camera 30 is located behind the camera lens 13, and the light source 20 is located behind the light source lens 12.
The camera may be a binocular camera, and the binocular camera is two cameras 30 aligned with the two second through holes 11b, respectively.
In an alternative embodiment, the improved camera front cover provided by embodiments of the present disclosure may be used in addition to a binocular camera, for a monocular camera or other multi-view cameras, so-called multi-view cameras comprising at least two cameras. When the front cover of the camera is applied to different cameras, the structure of the lens of the camera needs to be adjusted according to the number of cameras, and for the combination of the light blocking member and the light source lens, reference may be made to the above embodiments, which are not limited herein.
The above-described embodiments are merely illustrative of the principles of the present disclosure and their efficacy, and are not intended to limit the disclosure. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present disclosure. Accordingly, it is intended that all equivalent modifications or changes be made by those skilled in the art without departing from the spirit and technical spirit of the present disclosure and be covered by the claims of the present disclosure.
Claims (10)
1. A camera bezel, comprising:
a housing;
the light source lens and the camera lens are assembled in the shell, the light source lens is used for being arranged in front of the projection direction of the light source, and the camera lens is used for being arranged in front of the camera;
and the light blocking piece surrounds the light source lens and separates the light source lens from the camera lens.
2. The camera bezel of claim 1, wherein the light blocking member is embedded in a lens and separates the lens into the light source lens and a camera lens.
3. The camera bezel of claim 1, wherein an annular standoff is disposed between the camera lens and the light source lens, the light blocker being located within the annular standoff and mounted with the housing portion of the slot bottom.
4. The camera bezel of claim 3, wherein a sealing material is disposed between the light blocker and the sidewall of the annular blocker slot.
5. The camera bezel of claim 1, wherein the light blocker is a unitary structure with the housing.
6. The camera bezel of claim 1, wherein the front top surface of the light blocking member is not lower than the front face of the light source lens.
7. The camera bezel of claim 6, wherein the housing is divided into:
a lens assembly area for assembling the camera lens and the light source lens;
and an outer zone surrounding the lens mounting area;
wherein the front top surface of the light barrier does not exceed the front top surface of the outer region.
8. The camera bezel of claim 1, wherein a first through hole and a second through hole are formed in the housing;
the light source lens covers the first through hole, and the camera lens covers the second through hole.
9. A camera, comprising:
the camera front cover of any one of claims 1-8;
the camera is positioned behind the camera lens;
and the light source is positioned behind the light source wafer.
10. The camera of claim 9, wherein the camera is a monocular camera or a monocular camera comprising at least two of the cameras.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210937637.8A CN115291457A (en) | 2022-08-05 | 2022-08-05 | Camera front cover and camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210937637.8A CN115291457A (en) | 2022-08-05 | 2022-08-05 | Camera front cover and camera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115291457A true CN115291457A (en) | 2022-11-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210937637.8A Pending CN115291457A (en) | 2022-08-05 | 2022-08-05 | Camera front cover and camera |
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| CN (1) | CN115291457A (en) |
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