CN213783447U - Camera module and electronic equipment with same - Google Patents

Abstract

The embodiment of the application provides a camera module and electronic equipment with the same, relates to the technical field of communication equipment, and solves the problem that magnetic interference influences greatly when the camera module is assembled. The camera module includes the camera lens module, interior casing and shell body, has first clearance between camera lens module and the interior casing, has the second clearance between interior casing and the shell body, and the camera module still includes tensile subassembly, and tensile subassembly's material is piezoelectric material, and tensile subassembly is located first clearance and second clearance, and tensile subassembly can drive the deflection of camera lens module under the state of deformation. This application embodiment makes the camera lens module deflect through the tensile subassembly that sets up, has replaced the cloud platform motor to make the camera lens module deflect, need not set up the cloud platform motor on the camera module to avoid corresponding coil and magnet more in quantity, lead to the great problem of magnetic interference influence when the camera module equipment.

Description

Camera module and electronic equipment with same

Technical Field

The application relates to the technical field of communication equipment, in particular to a camera module and electronic equipment with the same.

Background

The tripod head module has a larger anti-shake space, so that the shot can be clearer, the picture is more stable, but the tripod head motor is arranged in the tripod head except for the AF motor, and the number of corresponding coils and magnets is increased, so that the magnetic interference problem is greatly influenced when the camera module is assembled; in addition, in the prior art, when the pan/tilt head is in a static state, the metal sheet arranged outside the pan/tilt head and the pan/tilt head magnet attract each other to keep the AF motor inside the pan/tilt head at the central position, but the weight of the AF motor and the lens arranged on the AF motor is large, and the elastic action of the bent flexible circuit board for providing power for the AF motor is also large.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application aims at providing a camera module and an electronic device with the same, and the problem that magnetic interference influences greatly when the camera module is assembled can be solved.

In order to solve the technical problem, the present application is implemented as follows:

in a first aspect, an embodiment of the present application provides a camera module, including:

a lens module;

the lens module is arranged in the first accommodating groove, and a first gap is formed between the peripheral side of the lens module and the inner shell;

the outer shell is provided with a second containing groove, the inner shell is arranged in the second containing groove, and a second gap is formed between the peripheral side of the inner shell and the outer shell;

the stretching assembly is made of piezoelectric materials and comprises a first stretching piece and a second stretching piece, the first stretching piece is located in the first gap, the lens module is connected with the inner shell through the first stretching piece, the second stretching piece is located in the second gap, and the inner shell is connected with the outer shell through the second stretching piece;

and the stretching assembly drives the lens module to deflect in a deformed state.

In a second aspect, an embodiment of the present application provides an electronic device, including the camera module according to the first aspect.

The technical scheme adopted by the embodiment of the application can achieve the following beneficial effects:

this application embodiment makes the camera lens module deflect through the tensile subassembly that sets up, has replaced the cloud platform motor to make the camera lens module deflect, need not set up the cloud platform motor on the camera module to avoid corresponding coil and magnet more in quantity, lead to the great problem of magnetic interference influence when the camera module equipment.

Drawings

Fig. 1 is a top view of a camera module according to an embodiment of the present disclosure;

fig. 2 is a cross-sectional view of a camera module according to an embodiment of the present disclosure;

FIG. 3 is a partial cross-sectional view of a lens module;

FIG. 4 is a cross-sectional view taken at C-C of FIG. 3;

FIG. 5 is a schematic view of the first tension element elongating when energized;

FIG. 6 is a schematic view of the first elongated member shortened when energized;

FIG. 7 is a schematic view illustrating the deflection of the lens module when the first drawing member is electrically extended;

FIG. 8 is a schematic view illustrating the deflection of the lens module when the first tension member is energized to shorten.

Description of reference numerals:

1. a lens module; 2. an inner housing; 3. an outer housing; 4. a first tensile member; 5. a second tension member; 6. a first spherical cavity; 7. a first spherical connection end; 8. a sphere.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. 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 application.

The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.

Technical solutions disclosed in the embodiments of the present application are described in detail below with reference to the accompanying drawings.

Referring to fig. 1 to 8, the embodiment of the present application provides a camera module, including lens module 1, interior casing 2, shell body 3 and tensile subassembly, lens module 1 has the shooting direction, lens module 1 has the camera lens, the direction of camera lens orientation is the shooting direction, and the object of shooting direction directional object is the shooting object of camera module.

Interior casing 2, interior casing 2 has first storage tank, lens module 1 set up in the first storage tank, the camera lens is outside first storage tank, the week side of lens module 1 with first clearance has between the interior casing 2, promptly, lens module 1's outer wall with clearance has between the inner wall of interior casing 2, and this clearance is in lens module 1's outer wall with along the circumference distribution of lens module outer wall between the inner wall of interior casing 2, first clearance can be guaranteed lens module 1 and is in deflect in the interior casing 2, the direction of shooting of adjustment lens module 1 prevents when shooing for the camera module and shakes and provides structural support.

Outer casing 3, outer casing 3 has the second storage tank, interior casing 2 set up in the second storage tank, the camera lens orientation outside the second storage tank, the week side of interior casing 2 with the second clearance has between the outer casing 3, also, the outer wall of interior casing 2 with the clearance has between the inner wall of outer casing 3, this clearance is in the outer wall of interior casing 2 with along the circumference distribution of the outer wall of interior casing between the inner wall of outer casing 3, the second clearance can guarantee that interior casing 2 deflects in outer casing 3, and then the adjustment is located the shooting direction of interior casing 2 internal lens module 1, through the deflection between lens module 1 and the interior casing 2 and the deflection between interior, outer casing 3, guarantees the shake compensation of the shooting direction of lens module 1, makes the camera module shoot more clear, and the picture is more stable.

The piezoelectric actuator comprises a stretching assembly, a piezoelectric material and a piezoelectric element, wherein the stretching assembly is made of the piezoelectric material, the piezoelectric material is a crystal material which generates voltage between two end faces when being subjected to pressure, a heavy object is placed on the piezoelectric material, certain surfaces of the piezoelectric material generate charges, the charge quantity is proportional to the pressure, and the phenomenon is called piezoelectric effect; on the contrary, the piezoelectric material can deform under the action of an external electric field, which is called inverse piezoelectric effect, the embodiment of the application utilizes the inverse piezoelectric effect of the piezoelectric material, and a strong direct current electric field is added on the piezoelectric material, so that electric domains in the piezoelectric material are arranged along the direction of the electric field in an oriented manner, the shape of the piezoelectric material is further changed, and the piezoelectric material is electrified to generate deformation to push the lens module 1, so that the shooting direction is changed.

The stretching assembly comprises a first stretching piece 4 and a second stretching piece 5, the first stretching piece 4 is located in the first gap, the lens module 1 is connected with the inner shell 2 through the first stretching piece 4, the second stretching piece 5 is located in the second gap, the inner shell 2 is connected with the outer shell 3 through the second stretching piece 5, the stretching assembly can drive the lens module 1 to deflect in a deformed state, namely, the first stretching piece 4 is electrified to deform, the lens module 1 is pushed in the first gap to deflect relative to the inner shell 2, the second stretching piece 5 is electrified to deform, and the inner shell 2 is pushed in the second gap to deflect relative to the outer shell 3.

This application embodiment makes lens module 1 deflect through the tensile subassembly that sets up, has replaced the cloud platform motor to make lens module 1 deflect, need not set up the cloud platform motor on the camera module, that is to say need not set up magnet and the coil of constituteing the cloud platform motor to avoid corresponding coil and magnet more in quantity, magnetic interference influences great when leading to the camera module equipment, the problem that the installation is wasted time and energy.

Meanwhile, the stretching assembly in the embodiment of the application can reliably support the lens module 1 in a non-electrified state, so that the problem that in the prior art, the weight of an AF motor and a lens arranged on the AF motor is heavy, the attraction force between a metal sheet arranged on the outer side of a holder and a holder magnet is insufficient and is eccentric, or the attraction force between the metal sheet arranged on the outer side of the holder and the holder magnet is insufficient to overcome the problem that the lens module 1 is eccentric due to the elastic force generated after a flexible circuit board for providing electric energy for the AF motor is bent can be solved; in addition, the magnet and the coil which form the holder module are omitted, so that the size of the whole camera can be locally reduced, and the space occupied by the whole camera is reduced.

Further, the lens module 1, the inner housing 2 and the outer housing 3 are rectangular structures, the lens module 1 is disposed in the inner housing 2, and the first gap is rectangular and located between the inner housing 2 and the lens module 1; interior casing 2 sets up in the shell body 3, the second clearance is the rectangle shape, is located interior casing 2 with between the shell body 3, can guarantee the stability of structure, prevent that lens module 1 from rotating, simultaneously, for circular structure, the rectangle structure can make the atress more stable, for example, the thrust or the pulling force that produce after first tensile piece 4 deformation can reliably act on lens module 1's outer wall with interior casing 2's inner wall.

Optionally, the first stretching member 4 and the second stretching member 5 are cylindrical structures, and the cylindrical structures may be cylindrical structures or prismatic structures, which can save piezoelectric materials while generating deformation, and ensure the best use of things, one end of the first stretching member 4 is connected to the lens module 1, and the other end of the first stretching member 4 is connected to the inner housing 2; one end of the second stretching piece 5 is connected with the inner shell 2, and the other end of the second stretching piece 5 is connected with the outer shell 3, so that the first stretching piece 4 can push down or pull the lens module 1 in an electrified extension or contraction state; the second stretching member 5 pushes or pulls the inner housing 2 in an extended or shortened state in an electrified state, so that the change of the shooting direction of the lens module 1 can be reliably ensured, and the shake of the camera module is compensated.

The length direction of the first stretching piece 4 is not parallel to the length direction of the second stretching piece 5, so that the deflection of the lens module 1 in at least two directions can be guaranteed, multi-axis shake compensation of the lens module 1 can be realized, the shooting is more stable, and the picture is clearer. The longitudinal direction of the first stretching member 4 is the axial direction of the first stretching member 4, and the longitudinal direction of the second stretching member 5 is the axial direction of the second stretching member 5.

Further, the length direction of the first stretching member 4 and the length direction of the second stretching member 5 are perpendicular to each other, which may include perpendicular to each other in the same plane or perpendicular to each other in space, and the structure is configured to maximize the shake compensation of the lens module 1, for example, the shake of the lens module 1 generally includes an X-axis shift and a Y-axis shift, when the first center line and the second center line are perpendicular to each other, the X-axis shift may be compensated by the movement of the lens module 1 in the direction of the first center line, the Y-axis shift may be compensated by the movement of the lens module 1 in the direction of the second center line, which may take both the X-axis shift and the Y-axis shift into consideration, and if the first center line and the second center line are not perpendicular, when the movement of the first center line is capable of compensating the X-axis shift, the movement of the second center line may not compensate the Y-axis shift, the anti-shake effect is reduced; meanwhile, the first central line direction and the second central line direction can move simultaneously, and multi-directional movement of the lens module 1 in the shooting direction is achieved.

The number of the first stretching members 4 may be 1, 2 or more, and the number of the second stretching members 5 may be 1, 2 or more.

Optionally, the length direction of the first stretching member 4 is at least perpendicular to the outer wall of the lens module 1 or the inner wall of the inner housing 2, so that when the first stretching member 4 is not deformed, the first stretching member 4 can reliably support the lens module 1, the centering position of the lens module 1 is ensured, and the influence on the photographing quality due to the eccentricity of the lens module 1 is avoided; the length direction of the second stretching piece 5 is at least perpendicular to the outer wall of the inner shell 2 or the inner wall of the outer shell 3, so that when the second stretching piece 5 is not deformed, the second stretching piece 5 can reliably support the inner shell 2, the centering position of the lens module 1 of the inner shell 2 is ensured, the eccentricity of the lens module 1 is avoided, and material saving can be ensured; when the outer wall of lens module 1 with the inner wall of interior casing 2 is parallel, first tensile piece 4 preferably with the outer wall of lens module 1 with the inner wall of interior casing 2 is all perpendicular, when the outer wall of interior casing 2 with the inner wall of shell body 3 is parallel, second tensile piece 5 preferably with the outer wall of interior casing 2 with the inner wall of shell body 3 is all perpendicular.

Optionally, one end of the first stretching member 4 is rotatably connected to the outer wall of the lens module 1, and the other end of the first stretching member 4 is fixedly connected to the inner wall of the inner housing 2, when the first stretching member 4 extends or shortens, an angle change is provided between the first stretching member 4 and a relatively moving component, that is, the lens module 1, and the rotatable connection is provided between one end of the first stretching member 4 and the lens module 1 to adapt to the angle change, so as to prevent the first stretching member 4 from being locked; one end of the second stretching piece 5 is rotatably connected with the outer wall of the inner shell 2, the other end of the second stretching piece 5 is fixedly connected with the inner wall of the outer shell 3, and the principles of the second stretching piece 5 and the first stretching piece 4 are the same, which is not described herein again; the first stretching piece 4 and the second stretching piece can be electrified through a rotating end or a fixed end, specifically, a conductive path is arranged on the inner shell 2 and the outer shell 3, and the flexible circuit board can be respectively electrified with the first stretching piece 4 and the second stretching piece 5, so that the flexible circuit board is electrified with the first stretching piece 4 and the second stretching piece.

Optionally, a first spherical cavity 6 is formed in the outer wall of the lens module 1, a first spherical connecting end 7 is arranged at one end of the first stretching member 4, and the first spherical connecting end 7 is located in the first spherical cavity 6, so that the first spherical connecting end 7 can rotate at each angle in the first spherical cavity 6, the effect of universal movable rotation is achieved, and the first stretching member 4 can rotate universally relative to the lens module 1; the spherical chamber of second has been seted up to the outer wall of interior casing 2, the one end of the tensile piece 5 of second has the spherical link of second, the spherical link of second is located the spherical intracavity of second can make the spherical link of second be in each angle rotation in the spherical intracavity of second reaches universal activity pivoted effect, makes the tensile piece 5 of second for the universal rotation of interior casing 2, of course, also can reach universal pivoted effect through the setting of other structures, for example, the one end of first tensile piece 4 through a flexible material with camera lens module 1 is connected, when first tensile piece 4 for camera lens module 1 has the angular variation, can realize through the flexible deformation of flexible material.

Optionally, lubricating oil is provided in the first spherical cavity 6 and the second spherical cavity, so that excessive friction force during angle change can be avoided, and the first spherical connecting end 7 is clamped in the first spherical cavity 6, or the second spherical connecting end is clamped in the second spherical cavity.

Optionally, a first supporting assembly is arranged in the first gap, and the lens module 1 deflects with the first supporting assembly as a fulcrum in a state that the first stretching member 4 is deformed; have the second supporting component in the second clearance, under the state of the tensile piece 5 deformation of second, interior casing 2 uses the second supporting component deflects as the fulcrum, can guarantee the reliability that camera lens module 1 and interior casing 2 deflected, avoids when first tensile piece 4 or the tensile 5 extension of second or shorten, camera lens module 1 with the condition that interior casing 2 can not deflect makes the anti-shake more reliable.

Optionally, the first supporting component at least includes a pair of spheres 8, the spheres 8 are oppositely disposed in a center line direction of the first stretching member 4, when the first stretching member 4 stretches, the sphere 8 far away from the first stretching member 4 is a supporting member, the first stretching member 4 pushes the lens module 1 to rotate with the supporting member as a fulcrum to form a deflection state, when the first stretching member 4 shortens, the sphere 8 close to the first stretching member 4 is a supporting member, and the first stretching member 4 pulls the lens module 1 to rotate with the supporting member as a fulcrum to form a deflection state; the second supporting component at least comprises a pair of spheres 8, the spheres 8 are oppositely arranged in the direction of the central line of the second stretching member 5, when the second stretching member 5 is stretched, the sphere 8 far away from the second stretching member 5 is taken as a supporting member, the second stretching member 5 pushes the inner shell 2 to rotate by taking the supporting member as a fulcrum to form a deflection state, when the second stretching member 5 is shortened, the sphere 8 close to the second stretching member 5 is taken as a supporting member, and the first stretching member 4 pulls the inner shell 2 to rotate by taking the supporting member as a fulcrum to form a deflection state; of course, the first support assembly and the second support assembly may have other structures, for example, a stop boss is provided at the bottom of the inner housing 2, the bottom of the lens assembly is limited by the stop boss to be displaced so as to form a deflected state under the action of the first stretching member 4, and similarly, a stop boss is also provided at the bottom of the outer housing 3, and the bottom of the inner housing 2 is limited by the stop boss to be displaced so as to form a deflected state under the action of the second stretching member 5.

Optionally, the stretching assembly is made of piezoelectric ceramic, the piezoelectric ceramic is an information functional ceramic material capable of converting mechanical energy and electric energy into each other, namely, piezoelectric effect, the piezoelectric ceramic has dielectricity, elasticity and the like, and the piezoelectric ceramic is widely applied to medical imaging, acoustic sensors, acoustic transducers, ultrasonic motors and the like, and is convenient to apply.

The embodiment of the application also provides electronic equipment, which comprises the camera module.

While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. The utility model provides a camera module which characterized in that includes:

a lens module;

the lens module is arranged in the first accommodating groove, and a first gap is formed between the peripheral side of the lens module and the inner shell;

the outer shell is provided with a second containing groove, the inner shell is arranged in the second containing groove, and a second gap is formed between the peripheral side of the inner shell and the outer shell;

the stretching assembly is made of piezoelectric materials and comprises a first stretching piece and a second stretching piece, the first stretching piece is located in the first gap, the lens module is connected with the inner shell through the first stretching piece, the second stretching piece is located in the second gap, and the inner shell is connected with the outer shell through the second stretching piece;

and the stretching assembly drives the lens module to deflect in a deformed state.

2. The camera module according to claim 1, wherein the first stretching member and the second stretching member are cylindrical structures, one end of the first stretching member is connected to the lens module, and the other end of the first stretching member is connected to the inner housing; one end of the second stretching piece is connected with the inner shell, and the other end of the second stretching piece is connected with the outer shell; wherein the content of the first and second substances,

the length direction of the first stretching piece is not parallel to the length direction of the second stretching piece.

3. The camera module according to claim 2, wherein the length direction of the first stretching member is at least perpendicular to the outer wall of the lens module or the inner wall of the inner housing; the length direction of the second stretching piece is at least perpendicular to the outer wall of the inner shell or the inner wall of the outer shell.

4. The camera module according to claim 2, wherein one end of the first stretching member is rotatably connected to an outer wall of the lens module, and the other end of the first stretching member is fixedly connected to an inner wall of the inner housing; one end of the second stretching piece is rotatably connected with the outer wall of the inner shell, and the other end of the second stretching piece is fixedly connected with the inner wall of the outer shell.

5. The camera module according to claim 4, wherein a first spherical cavity is formed in an outer wall of the lens module, and a first spherical connecting end is arranged at one end of the first stretching member and is located in the first spherical cavity; the outer wall of the inner shell is provided with a second spherical cavity, one end of the second stretching piece is provided with a second spherical connecting end, and the second spherical connecting end is located in the second spherical cavity.

6. The camera module of claim 5, wherein lubricating oil is disposed within the first spherical cavity and the second spherical cavity.

7. The camera module according to any one of claims 1 to 5, wherein a first supporting member is disposed in the first gap, and the lens module deflects with the first supporting member as a fulcrum in a deformed state of the first tension member; and a second support component is arranged in the second gap, and the inner shell deflects by taking the second support component as a fulcrum under the deformed state of the second stretching piece.

8. The camera module of claim 7, wherein the first support assembly comprises at least a pair of spheres, the pair of spheres being disposed opposite to each other; the second support component at least comprises a pair of spheres, and the spheres are oppositely arranged.

9. The camera module of claim 1, wherein the tension element is made of a piezoelectric ceramic.

10. An electronic device comprising the camera module according to any one of claims 1 to 9.

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