CN112367456A - Camera module and electronic equipment - Google Patents
Camera module and electronic equipment Download PDFInfo
- Publication number
- CN112367456A CN112367456A CN202011397614.XA CN202011397614A CN112367456A CN 112367456 A CN112367456 A CN 112367456A CN 202011397614 A CN202011397614 A CN 202011397614A CN 112367456 A CN112367456 A CN 112367456A
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- China
- Prior art keywords
- camera module
- base
- dust
- lens barrel
- driving part
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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
- H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
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- 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
- G03B17/55—Details of cameras or camera bodies; Accessories therefor with provision for heating or cooling, e.g. in aircraft
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0264—Details of the structure or mounting of specific components for a camera module assembly
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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
- H04N23/52—Elements optimising image sensor operation, e.g. for electromagnetic interference [EMI] protection or temperature control by heat transfer or cooling elements
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Aviation & Aerospace Engineering (AREA)
- General Physics & Mathematics (AREA)
- Lens Barrels (AREA)
- Studio Devices (AREA)
- Camera Bodies And Camera Details Or Accessories (AREA)
Abstract
The invention relates to the technical field of camera shooting, and particularly discloses a camera module and electronic equipment. The camera module includes: the motor comprises a base, a shell and a driving part, wherein the shell is covered on the base and surrounds the base to form an installation cavity, the driving part is arranged in the installation cavity, a positioning hole is formed in the motor, and the positioning hole penetrates through the shell, the driving part and the base; the lens comprises a lens barrel, wherein the lens barrel is arranged in the positioning hole and is fixed with the driving part in a sealing way; and the dustproof structure is arranged between the base and the lens barrel and/or between the base and the driving part and used for preventing impurities and dust from falling onto the optical filter of the camera module. The camera module is provided with the dustproof structure, and the dustproof structure can block particles such as impurities and dust falling from a gap between the driving part and the base and a gap between the lens barrel and the base, so that the particles such as the impurities and the dust are prevented from falling onto the filter of the camera module, and the imaging quality of the camera module can be maintained.
Description
Technical Field
The invention relates to the technical field of camera shooting, in particular to a camera module and electronic equipment.
Background
Along with the development of cell-phone camera, the auto focus module has been very general, but because the demand of acting in the space, can form obvious gap between motor housing and the motor drive portion, after long-time activity, the external world or friction can inevitably produce impurity, dust etc. and this impurity, dust drop on the filter of camera lens easily, finally influence the quality of formation of image.
In the prior art, an obvious gap exists between a driving part of a motor and a shell in a module structure, a lens barrel and the driving part are sealed and fixed by glue, and impurities and dust fall from the gap between the driving part and the shell. In addition, the bottom of the motor is generally designed with a dust-proof groove, but the dust-proof groove is not sealed, and as the posture of the module in the using process is changed, impurities and dust can still slide down from the dust-proof groove to the optical filter, which easily affects the imaging quality of the lens.
Disclosure of Invention
The invention discloses a camera module and electronic equipment, which can prevent impurities and dust from falling onto a filter from a dust-proof groove and have high imaging quality.
In order to achieve the above object, an embodiment of the present invention discloses a camera module, including:
the motor comprises a base, a shell and a driving part, wherein the shell is covered on the base and surrounds the base to form an installation cavity, the driving part is arranged in the installation cavity, a positioning hole is formed in the motor, and the positioning hole penetrates through the shell, the driving part and the base;
the lens comprises a lens barrel which is arranged in the positioning hole and is fixed with the driving part in a sealing way; and
the dustproof structure is arranged between the base and the lens barrel and/or between the base and the driving part and used for preventing impurities and dust from falling onto the optical filter of the camera module.
The camera module is provided with the dustproof structure, and the dustproof structure can be arranged between the base and the lens cone, between the base and the driving part, or between the base and the lens cone and between the base and the driving part, so that particles such as impurities and dust falling from a gap between the driving part and the base and a gap between the lens cone and the base can be blocked under the action of the dustproof structure, the particles such as the impurities and the dust are prevented from falling onto an optical filter of the camera module, and the imaging quality of the camera module can be maintained.
As an optional implementation manner, in an embodiment of the present invention, the dustproof structure is fixed between the bottom and/or the inner sidewall and/or the outer sidewall of the base and the bottom and/or the inner sidewall and/or the outer sidewall of the driving portion, so that a contact area between the dustproof structure and the base and the driving portion can be increased, and a connection strength and stability of the dustproof structure can be improved.
As an optional implementation manner, in an embodiment of the present invention, the dustproof structure is fixed between the bottom and/or the inner sidewall and/or the outer sidewall of the base and the bottom and/or the inner sidewall and/or the outer sidewall of the lens barrel, so that a contact area between the dustproof structure and the base and the lens barrel can be increased, and a connection strength and stability of the dustproof structure can be improved.
As an optional implementation manner, in an embodiment of the present invention, the dust-proof structure includes at least one anti-twisting film layer, and the dust-proof structure is configured as the anti-twisting film layer, so that the dust-proof structure can achieve random movement, and does not affect the normal action of the lens while preventing dust. During processing, a proper anti-torsion film layer can be selected by combining the movement condition of the lens, and particularly, the larger the movement stroke of the lens is, the more the number of layers of the anti-torsion film layer is, and the dustproof structure is ensured to have good anti-torsion performance.
As an alternative embodiment, in an embodiment of the present invention, the thickness of the anti-twist film layer in the axial direction of the lens barrel is 0.2um to 100 um. The thickness of the anti-torsion film layer is set to be 0.2um to 100um, so that a good dustproof effect can be achieved, the anti-torsion performance and the deformable performance of the anti-torsion film layer can be guaranteed, random activities can be achieved on the anti-torsion film layer, and normal actions of the lens cannot be influenced while the anti-torsion film layer is dustproof.
As an alternative implementation manner, in an embodiment of the present invention, the anti-wrinkle part is disposed on the dust-proof structure, and through the function of the anti-wrinkle part, when the lens moves to pull the dust-proof structure to move, the anti-wrinkle part can deform along with the lens, so as to prevent the dust-proof structure from being torn or damaged due to an excessive pulling force, and thus, the service life of the dust-proof structure in the present invention can be prolonged.
As an alternative implementation manner, in an embodiment of the present invention, the anti-wrinkle portion includes at least one concave-convex structure, and the concave-convex structure is disposed in a ring shape or a slanted strip shape around the outer circumference of the lens barrel, so that on one hand, the anti-twisting performance of the dustproof structure can be improved, and on the other hand, the concave portion on the concave-convex structure is also convenient for carrying and containing particles such as impurities, dust, and the like.
As an optional implementation manner, in an embodiment of the present invention, a hollow hole is disposed in a central position of the dustproof structure, and the hollow hole is opposite to the middle through hole of the lens barrel, so that the dustproof structure can avoid a light-passing portion of the lens, and ensure an imaging quality of the camera module.
As an alternative implementation manner, in an embodiment of the present invention, the dustproof structure has a see-through film, and the see-through film is disposed opposite to the middle through hole of the lens barrel, so as to ensure that light emitted from the lens to the see-through film can pass through the see-through film. When actual design dustproof construction, need not to set up the fretwork hole, can simplify dustproof construction's manufacturing procedure, reduce the manufacturing cost of camera module.
As an optional implementation manner, in the embodiment of the present invention, the dustproof structure is provided with a ventilation structure, and through the ventilation structure, heat dissipation is facilitated for the internal space of the camera module, so as to improve the service life and stability of the camera module.
As an optional implementation manner, in an embodiment of the present invention, the dustproof structure has a non-bonding region, and a dustproof glue is disposed on the non-bonding region, so that a dustproof effect of the dustproof structure can be improved by an effect of the dustproof glue.
On the other hand, the embodiment of the invention also discloses electronic equipment, and the electronic equipment comprises the camera module.
Compared with the prior art, the camera module and the electronic equipment have the following beneficial effects:
the camera module is provided with the dustproof structure, the dustproof structure can be arranged between the base and the lens cone, between the base and the driving part, or between the base and the lens cone and between the base and the driving part, and particles such as impurities and dust falling from a gap between the driving part and the base and a gap between the lens cone and the base can be blocked under the action of the dustproof structure, so that the particles such as the impurities and the dust are prevented from falling onto a filter of the camera module, and the imaging quality of the camera module can be maintained.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic perspective view of a camera module according to an embodiment of the present invention;
FIG. 2 is a sectional view A-A of FIG. 1;
FIG. 3 is a front view of a first dust-proof structure disclosed in the embodiment of the present invention;
FIG. 4 is a front view of a second dust-proof structure disclosed in the embodiment of the present invention;
FIG. 5 is a front view of a third dust-proof structure disclosed in the embodiments of the present invention;
fig. 6 is an enlarged schematic view of a connection between a dustproof structure and a driving portion (lens barrel) of the camera module according to the embodiment of the present invention;
fig. 7 is an enlarged schematic view of a connection between another dustproof structure and a driving portion (lens barrel) of the camera module according to the embodiment of the present invention;
fig. 8 is an enlarged schematic view of the dustproof structure of the camera module according to the embodiment of the present invention, which is connected to the driving unit (lens barrel) in a first connection manner;
fig. 9 is an enlarged schematic view of the dustproof structure of the camera module according to the embodiment of the present invention, which is connected to the driving unit (lens barrel) in a second connection manner;
fig. 10 is an enlarged schematic view of the dustproof structure of the camera module according to the embodiment of the present invention, which is connected to the driving unit (lens barrel) in a third connection manner;
fig. 11 is a schematic structural diagram of an electronic device disclosed in the embodiment of the present invention.
Icon: 10. a motor; 11. a base; 12. a housing; 13. a drive section; 20. a mounting cavity; 30. a lens; 31. a lens barrel; 32. a lens group; 40. a dust-proof structure; 41. a kink-resistant fold portion; 42. a see-through film; 50. positioning holes; 300. an electronic device; 301. a housing; 200. camera module.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the present invention, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "center", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate an orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are used primarily to better describe the invention and its embodiments and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the present invention can be understood by those skilled in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
Furthermore, the terms "first," "second," and the like, are used primarily to distinguish one device, element, or component from another (the particular nature and configuration of which may be the same or different, and not intended to indicate or imply the relative importance or importance of the indicated device, element, or component.
The following detailed description is made with reference to the accompanying drawings.
Referring to fig. 1 and 2, fig. 1 and 2 respectively show a perspective structure schematic view and a cross-sectional view of a camera module in an embodiment. Specifically, the camera module in this embodiment includes a motor 10, a lens 30, and a dust-proof structure 40.
The motor 10 comprises a base 11, a housing 12 and a driving part 13, wherein the housing 12 is covered on the base 11 and encloses with the base 11 to form an installation cavity 20, the driving part 13 is arranged in the installation cavity 20, a positioning hole 50 is arranged on the motor 10, and the positioning hole 50 penetrates through the housing 12, the driving part 13 and the base 11; the lens 30 includes a lens barrel 31, the lens barrel 31 is mounted in the positioning hole 50 and is fixed with the driving part 13 in a sealing manner; the dustproof structure 40 is disposed between the base 11 and the lens barrel 31 and/or between the base 11 and the driving portion 13 for preventing particles such as impurities and dust from falling onto the filter of the camera module.
It is understood that the meaning of lens barrel 31 being mounted in positioning hole 50 and being sealed and fixed with driving portion 13 in this embodiment means a connection manner that lens barrel 31 is mounted in positioning hole 50, lens barrel 31 is fixedly connected with driving portion 13, and the connection position of the two is sealed without gap. For example, lens barrel 31 is attached to positioning hole 50, and a gap between lens barrel 31 and driving unit 13 is sealed with a sealant.
Because the camera module in this embodiment is provided with the dustproof structure 40, the dustproof structure 40 may be disposed between the base 11 and the lens barrel 31, may be disposed between the base 11 and the driving portion 13, or may be disposed between the base 11 and the lens barrel 31 and between the base 11 and the driving portion 13 at the same time, through the effect of the dustproof structure 40, particles such as impurities and dust falling from the gap between the driving portion 13 and the base 11 and the gap between the lens barrel 31 and the base 11 can be blocked, and further particles such as impurities and dust are prevented from falling onto the filter of the camera module, so that the imaging quality of the camera module can be maintained.
Illustratively, the base 11 in this embodiment has a square plate-like structure, the housing 12 is disposed in a rectangular parallelepiped shape, the housing 12 covers the base 11 and surrounds the base 11 to form a mounting cavity 20, and during actual mounting, the driving portion 13 is disposed in the mounting cavity 20, so as to protect the driving portion 13 and prevent the driving portion 13 from being interfered by external structures. Of course, in other embodiments of the present invention, the base 11 may also be configured as a circular, oval, polygonal or other shaped plate-like structure. Similarly, the housing 12 may be provided with a cylindrical, prismatic, or other irregular cylindrical structure as long as it can enclose a cavity in which the driving portion 13 can be installed together with the base 11.
The motor 10 in this embodiment is a voice coil motor, and the driving portion 13 of the voice coil motor is a cylindrical structure, and the periphery of the cylindrical structure is provided with a magnet, a coil, and other structures, so that the driving portion 13 can rotate under the action of electromagnetic force, and further can drive the lens 30 to move. In actual mounting, the inside of the cylindrical driving portion 13 is the aforementioned positioning hole 50, and the lens barrel 31 is mounted in the positioning hole 50, and the gap between the lens barrel 31 and the positioning hole 50 is sealed by a sealant or the like, so that particles such as dust and impurities can be prevented from falling onto the optical filter. When the driving part 13 rotates under the action of electromagnetic force, the lens barrel 31 can be driven to move, and the structure is simple and convenient to realize.
Further, the lens 30 of the present embodiment is provided with a lens group 32 in addition to the lens barrel 31, and the lens group 32 of the present embodiment includes a plurality of lenses, for example, the lens group 32 includes three lenses, four lenses, five lenses or more than five lenses, the plurality of lenses are stacked in sequence along the axial direction of the lens barrel 31, and in addition, the lens 30 is further provided with a diaphragm, a light shielding sheet and other structures, which facilitate processing of the light beam emitted to the lens 30, and further can obtain high-quality images.
As shown in fig. 2, the dust-proof structure 40 in this embodiment includes an anti-twisting film layer, and the dust-proof structure 40 is configured as the anti-twisting film layer, so that the dust-proof structure 40 can randomly move without affecting the normal operation of the lens 30.
In some embodiments of the present invention, the anti-twisting thin film layer is a metal thin film, and the metal thin film may be at least one of an aluminum alloy thin film, a titanium alloy thin film, and a beryllium alloy thin film.
In other embodiments of the present invention, the anti-twist film layer may be a plastic vibration film, for example, at least one of PET (polyethylene terephthalate), PEN (polyethylene naphthalate), PEI (polyetherimide resin), PI (polyimide), LCP (liquid crystal polymer), PEEK (polyether ether ketone), PC (linear carbonate), PPS (polyphenylene sulfide), and PAR (polyarylate), and the anti-twist film layer has good vibration performance, good flexibility, and good anti-twist performance by being provided as the plastic vibration film.
In other embodiments of the present invention, the anti-twisting film layer may also be another type of vibration film, for example, at least one of a wood vibration film, a biological vibration film and a paper vibration film, and the anti-twisting film layer is provided with the wood vibration film, the biological vibration film and the paper vibration film, so that the weight and volume of the whole camera module can be reduced, and the camera module can be conveniently designed to be small and light.
Further, the anti-twisting film layer in the invention can be arranged as one layer, two layers or more than two layers, and during processing, an appropriate anti-twisting film layer can be selected according to the movement condition of the lens 30, specifically, the larger the movement stroke of the lens 30 is, the more the number of layers of the anti-twisting film layer is, and the dustproof structure 40 is ensured to have good anti-twisting performance.
In some embodiments of the present invention, the thickness of the anti-twist film layer in the axial direction of lens barrel 31 is 0.2um to 100um, such as 0.2um, 10um, 20um, 30um, 40um, 50um, 60um, 70um, 80um, 90um, or 100um, etc. The thickness of the anti-torsion film layer is set to be 0.2um to 100um, so that a good dustproof effect can be achieved, the anti-torsion performance and the deformable performance of the anti-torsion film layer can be guaranteed, random activities can be achieved on the anti-torsion film layer, and normal actions of the lens 30 cannot be influenced while the anti-torsion film layer is dustproof.
In order to further improve the torsion resistance of the dust-proof structure 40 in the present embodiment, the dust-proof structure 40 in the present embodiment is provided with the torsion-resistant fold portion 41, and through the action of the torsion-resistant fold portion 41, when the lens 30 moves and pulls the dust-proof structure 40 to move, the torsion-resistant fold portion 41 can deform along with the lens 30, so that the dust-proof structure 40 is prevented from being torn or damaged due to an excessive pulling force, and the service life of the dust-proof structure 40 in the present embodiment can be improved.
Optionally, the anti-kink portion 41 in this embodiment includes at least one concave-convex structure, and the concave-convex structure may be one, or two or more. The concave-convex structure can be arranged in a corrugated shape (shown in figure 7), a zigzag shape (shown in figure 6), an alternative arrangement of the corrugated shape and the zigzag shape, or other special-shaped structures. Through this concave-convex structure's effect, can improve dustproof construction 40's antitorque performance on the one hand, on the other hand, the last depressed part of concave-convex structure still is convenient for bear and hold particles such as impurity, dust.
Further, the dustproof structure 40 in this embodiment has a non-attached region, which is a region of the dustproof structure 40 that is not attached to the base 11, the lens barrel 31, or the driving portion 13, and the non-attached region is provided with dustproof glue, specifically, a protruding portion of the concave-convex structure is provided with dustproof glue, or a recessed portion is provided with dustproof glue, or both the protruding portion and the recessed portion are provided with dustproof glue, and the dustproof effect of the dustproof structure 40 can be improved by the function of the dustproof glue. Optionally, the dustproof adhesive in this embodiment may be, for example, a self-adhesive tape, a double-sided tape, or the like.
In some embodiments of the present invention, the concave-convex structure is annularly disposed around the outer circumference of lens barrel 31 (see fig. 3), that is, the concave-convex structure is annularly disposed around lens barrel 31, the concave-convex structure extends from base 11 to the direction of lens barrel 31, and the cut-away view is shown in fig. 6 to 10.
In other embodiments of the present invention, the concave-convex structure may be disposed in an oblique strip shape around the outer circumference of the lens barrel 31, and it is understood that the concave-convex structure in this embodiment is disposed in an oblique strip shape, which means that the concave-convex structure includes a circle of obliquely disposed strips, and the extending direction of the obliquely disposed strips is oblique to the radial direction of the lens barrel 31, specifically, as shown in fig. 5, that is, the concave-convex structure is disposed in a longitudinal spiral shape, which can improve the torsion resistance of the dustproof structure 40, and on the other hand, facilitate carrying and containing particles such as impurities and dust.
Referring to fig. 3 and 4, in some embodiments of the present invention, the dust-proof structure 40 is an annular structure, which may be a circular ring, a square ring, an elliptical ring, or other irregular annular structure. The central position of this loop configuration is provided with the fretwork hole, and the fretwork hole is relative with the middle through-hole of lens cone 31 for dustproof construction 40 can dodge the logical light position of camera lens 30, guarantees the formation of image quality of camera module.
Referring to fig. 5, in another embodiment of the present invention, the dustproof structure 40 has a see-through film 42, and the see-through film 42 is disposed opposite to the central through hole of the lens barrel 31 to ensure that light emitted from the lens 30 to the see-through film 42 can pass through. When actual design dustproof construction 40, need not to set up the fretwork hole, can simplify dustproof construction 40's manufacturing procedure, reduce the manufacturing cost of camera module. Alternatively, the see-through film 42 in the present embodiment may be, for example, a PET film.
In some embodiments of the present invention, the dust-proof structure 40 is fixed between the bottom and/or the inner sidewall and/or the outer sidewall of the base 11 and the bottom and/or the inner sidewall and/or the outer sidewall of the driving portion 13, which can increase the contact area between the dust-proof structure 40 and the base 11 and the driving portion 13, and increase the connection strength and stability of the dust-proof structure 40.
Specifically, referring to fig. 8, in some embodiments of the present invention, the dustproof structure 40 is fixed between the bottom of the base 11 and the bottom of the driving portion 13, and at this time, the dustproof structure 40 can shield the gap between the driving portion 13 and the housing 12, so that particles such as impurities and dust can be prevented from falling onto the optical filter from the gap between the driving portion 13 and the housing 12.
Referring to fig. 9 and 10, in another embodiment of the present invention, the dustproof structure 40 may be fixed between the bottom of the base 11 and the inner side wall or the outer side wall of the driving portion 13, and in this case, the dustproof structure 40 may also shield the gap between the driving portion 13 and the housing 12, so as to prevent particles such as impurities and dust from falling onto the optical filter from the gap between the driving portion 13 and the housing 12. It is understood that the inner sidewall of the driving portion 13 in the present invention refers to a sidewall of the driving portion 13 close to the lens barrel 31, the outer sidewall of the driving portion 13 refers to a sidewall of the driving portion 13 far from the lens barrel 31, and the bottom of the base 11 and the bottom of the driving portion 13 refer to sides of the base 11 and the driving portion 13 far from the object plane of the camera module.
In another embodiment of the present invention, the dust-proof structure 40 may be fixed to the outer wall and/or the inner wall of the base 11, and the dust-proof structure 40 may be fixed to the inner wall, the bottom wall, the outer wall, and the like of the driving portion 13.
Further, the dustproof structure 40 can be fixed between the bottom and/or inner and/or outer side wall of the base 11 and the bottom and/or inner and/or outer side wall of the lens barrel 31.
Specifically, referring to fig. 8, the dust-proof structure 40 is fixed between the bottom of the base 11 and the bottom of the lens barrel 31, and at this time, the dust-proof structure 40 can block the gap between the driving portion 13 and the housing 12 and the gap between the base 11 and the lens barrel 31, so that particles such as impurities and dust can be prevented from falling onto the optical filter from the gap between the driving portion 13 and the housing 12 and the gap between the base 11 and the lens barrel 31.
Referring to fig. 9 and 10 again, in some embodiments of the present invention, the dustproof structure 40 is fixed between the bottom of the base 11 and the inner wall or the outer wall of the lens barrel 31, and at this time, the dustproof structure 40 can shield the gap between the driving portion 13 and the housing 12 and the gap between the base 11 and the lens barrel 31, so as to prevent particles such as impurities and dust from falling onto the optical filter from the gap between the driving portion 13 and the housing 12 and the gap between the base 11 and the lens barrel 31. It is to be understood that the inner side wall of lens barrel 31 referred to in the present invention refers to a side wall of lens barrel 31 distant from drive portion 13, and the outer side wall of lens barrel 31 refers to a side wall of lens barrel 31 close to drive portion 13.
In another embodiment of the present invention, dust-proof structure 40 may be fixed to the outer wall and/or inner wall of base 11, and dust-proof structure 40 may be fixed to the inner wall, bottom wall, outer wall, and the like of lens barrel 31.
In the actual connection process, the dustproof structure 40 and the base 11, the dustproof structure 40 and the driving portion 13, and the dustproof structure 40 and the lens barrel 31 are all fixed by glue, but in other embodiments of the present invention, the dustproof structure 40 and the base 11, the dustproof structure 40 and the driving portion 13, and the dustproof structure 40 and the lens barrel 31 may also be fixed by welding, screws, rivets, or buckles.
Further, the dust-proof structure 40 of the present invention is provided with an air-permeable structure (not shown in the drawings). Through the effect of this ventilative structure, be convenient for dispel the heat to the inner space of camera module, improve the life and the stability of camera module.
Illustratively, in some embodiments of the present invention, the ventilation structure is provided as a ventilation hole, and the ventilation hole may be provided at a convex portion of the concave-convex structure, and may also be provided at a concave portion of the concave-convex structure, and it should be noted that the aperture size of the ventilation hole in this embodiment needs to be smaller than the diameter of particles such as impurities, dust, and the like. The air holes can be round holes, square holes, triangular holes or other special-shaped holes.
In other embodiments of the present invention, the ventilation structure may be a ventilation groove or a ventilation film, and any other modification within the concept of the present invention is within the scope of the present invention.
As described above, since the camera module in this embodiment is provided with the dust-proof structure 40, the dust-proof structure 40 can block particles such as impurities and dust falling from the gap between the driving portion 13 and the base 11 and the gap between the lens barrel 31 and the base 11, and further prevent the particles such as impurities and dust from falling onto the filter of the camera module, thereby maintaining the imaging quality of the camera module.
Referring to fig. 11, according to another aspect of the present invention, an electronic device 300, such as a mobile phone, a tablet computer, a telephone watch, etc., is provided, the electronic device includes a camera module 200 and a housing 301, the camera module 200 is disposed on the housing 301, and the electronic device includes the camera module in the above embodiments.
The camera module 200 of the electronic device 300 in this embodiment is provided with the dust-proof structure 40, and the dust-proof structure 40 can block particles such as impurities and dust falling from the gap between the driving portion 13 and the base 11 and the gap between the lens barrel 31 and the base 11, so as to prevent the particles such as the impurities and the dust from falling onto the filter of the camera module, and further maintain the imaging quality of the camera module 200.
The camera module and the electronic device disclosed in the embodiments of the present invention are described in detail, and the principles and embodiments of the present invention are explained herein by using specific examples, and the description of the embodiments is only used to help understanding the camera module and the electronic device and the core ideas thereof; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (12)
1. The utility model provides a camera module which characterized in that includes:
the motor comprises a base, a shell and a driving part, wherein the shell is covered on the base and surrounds the base to form an installation cavity, the driving part is arranged in the installation cavity, a positioning hole is formed in the motor, and the positioning hole penetrates through the shell, the driving part and the base;
the lens comprises a lens barrel which is arranged in the positioning hole and is fixed with the driving part in a sealing way; and
the dustproof structure is arranged between the base and the lens barrel and/or between the base and the driving part and used for preventing impurities and dust from falling onto the optical filter of the camera module.
2. The camera module according to claim 1, wherein the dust-proof structure is fixed between the bottom and/or inner and/or outer side wall of the base and the bottom and/or inner and/or outer side wall of the driving part.
3. The camera module according to claim 1, wherein the dust-proof structure is fixed between the bottom and/or inner and/or outer side walls of the base and the bottom and/or inner and/or outer side walls of the lens barrel.
4. The camera module of claim 1, wherein the dust-resistant structure includes at least one anti-torque film layer.
5. The camera module of claim 4, wherein the thickness of the anti-kink film layer in the axial direction of the lens barrel is 0.2um to 100 um.
6. The camera module of claim 1, wherein the dust-proof structure is provided with an anti-kink fold.
7. The camera module of claim 6, wherein the anti-kink fold portion comprises at least one indentation disposed annularly or in a diagonal around the outer circumference of the lens barrel.
8. The camera module according to claim 1, wherein a hollow hole is disposed at a central position of the dustproof structure, and the hollow hole is opposite to the middle through hole of the lens barrel.
9. The camera module according to claim 1, wherein the dust-proof structure has a see-through film disposed opposite to the central through hole of the lens barrel.
10. The camera module according to any one of claims 1 to 9, wherein a ventilation structure is provided on the dust-proof structure.
11. The camera module according to any one of claims 1 to 9, wherein the dust-proof structure has a non-attached region, and a dust-proof adhesive is disposed on the non-attached region.
12. An electronic device, characterized in that the electronic device comprises a camera module according to any one of claims 1 to 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011397614.XA CN112367456A (en) | 2020-12-03 | 2020-12-03 | Camera module and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011397614.XA CN112367456A (en) | 2020-12-03 | 2020-12-03 | Camera module and electronic equipment |
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| Publication Number | Publication Date |
|---|---|
| CN112367456A true CN112367456A (en) | 2021-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011397614.XA Pending CN112367456A (en) | 2020-12-03 | 2020-12-03 | Camera module and electronic equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN112367456A (en) |
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| CN112987226A (en) * | 2021-03-04 | 2021-06-18 | 新思考电机有限公司 | Driving device, camera module and electronic equipment |
| CN114339014A (en) * | 2022-03-11 | 2022-04-12 | 江西晶浩光学有限公司 | Sealing member, camera module and mobile terminal |
| CN114598805A (en) * | 2022-05-10 | 2022-06-07 | 立臻精密智造(昆山)有限公司 | Camera shooting structure |
| WO2022262364A1 (en) * | 2021-06-18 | 2022-12-22 | 华为技术有限公司 | Sealing structure, photographing module and electronic device |
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| CN114598805A (en) * | 2022-05-10 | 2022-06-07 | 立臻精密智造(昆山)有限公司 | Camera shooting structure |
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Application publication date: 20210212 |