CN113489877B - Camera module and electronic equipment - Google Patents

Abstract

The invention provides a camera module and an electronic device, wherein, the module of making a video recording includes: the diopter lens, the shell, the driving structure and the lens; the shell is internally provided with an accommodating cavity, the shell is provided with a light hole communicated with the accommodating cavity, the dioptric lens is arranged outside the shell and covers the light hole, and the lens is positioned in the accommodating cavity; the driving structure is arranged on the shell and connected with the dioptric lens, and the driving structure is used for driving the dioptric lens to deform close to or far away from the lens.

Description

Camera modules and electronic equipment

technical field

The invention relates to the field of electronic devices, in particular to a camera module and electronic equipment.

Background technique

At present, with the development of electronic equipment, people often take images through electronic equipment. With the improvement of people's needs, the quality requirements for images are also getting higher and higher. In existing camera imaging, with the development of thinner and lighter camera modules, the adjustment stroke of the lens is limited, so that the diopter adjustment range is small, and the imaging effect of the image is poor.

Contents of the invention

Embodiments of the present invention provide a camera module and electronic equipment to solve the problem of poor imaging effect of the camera module.

The first aspect of the embodiment of the present invention provides a camera module, including: a refractive lens, a casing, a driving structure, and a lens;

The casing is provided with an accommodating cavity, and the casing is provided with a light-transmitting hole communicating with the accommodating cavity, and the refractive lens is arranged outside the casing and covers the light-transmitting hole , the lens is located in the accommodating cavity;

The driving structure is arranged on the casing, and the driving structure is connected with the refractive lens, and the driving structure is used to drive the refractive lens to deform toward or away from the lens.

The second aspect of the embodiments of the present invention provides an electronic device, including the camera module described in any one of the above.

The camera module provided by the embodiment of the present invention includes a refractive lens, a housing, a driving structure, and a lens; the housing is provided with an accommodating cavity, and the housing is provided with a The light transmission hole, the refractive lens is arranged outside the casing and covers the light transmission hole, the lens is located in the accommodating cavity; the driving structure is arranged in the casing, and the The driving structure is connected with the refractive lens, and the driving structure is used to drive the refractive lens to deform close to or away from the lens. The above-mentioned structure drives the diopter lens to deform through the driving structure, which can increase the diopter adjustment range, thereby improving the imaging effect of the lens.

Description of drawings

Fig. 1 is a sectional view of a camera module provided by an embodiment of the present invention;

Fig. 2 is an exploded view of the camera module provided by the embodiment of the present invention;

Fig. 3 is a structural diagram of the upper cover of the housing provided by the embodiment of the present invention;

Fig. 4 is a structural diagram of a fin provided by an embodiment of the present invention;

Fig. 5 is a structural diagram of a first slider provided by an embodiment of the present invention;

Fig. 6 is a structural diagram of a bracket provided by an embodiment of the present invention;

Fig. 7 is a structural diagram of a second slider provided by an embodiment of the present invention;

Fig. 8 is a structural diagram of the lower housing cover provided by the embodiment of the present invention;

9 to 11 are schematic diagrams of deformation states of the refractive lenses provided by the embodiments of the present invention.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

Please refer to Fig. 1 and Fig. 2, this embodiment provides a camera module, including: a refractive lens 1, a housing, a driving structure and a lens 5;

The casing is provided with an accommodating cavity, and the casing is provided with a light-transmitting hole communicating with the accommodating cavity, and the refractive lens is arranged outside the casing and covers the light-transmitting hole , the lens is located in the accommodating cavity; the driving structure is arranged in the housing, and the driving structure is connected with the refractive lens 1, and the driving structure is used to drive the refractive lens 1 produces a deformation close to or away from the lens 5 .

Specifically, the housing includes a housing upper cover 2 and a housing lower cover 3, the housing upper cover 2 and the housing lower cover 3 cooperate to form the accommodating cavity, and the housing upper cover 2 There are light holes on it. The refractive lens 1 is arranged on the housing cover 2, and the lens 5 is located in the accommodating cavity;

The driving structure is arranged on the casing upper cover 2, and the driving structure is connected with the refractive lens 1, and the driving structure is used to drive the refractive lens 1 to move close to or away from the lens 5. deformation.

The housing upper cover 2 is arranged on the housing lower cover 3, the refractive lens 1 is arranged on the housing upper cover 2, and covers the light transmission hole of the housing upper cover 2, the refractive lens 1, the housing upper cover 2 and The housing lower cover 3 cooperates to form an accommodating cavity, and the lens 5 is located in the accommodating cavity. The driving structure is connected with the refractive lens 1 , and the driving structure can apply force to the refractive lens 1 so that the refractive lens 1 is deformed to approach or move away from the lens 5 .

The refractive lens 1 can be made of elastic and light-transmitting materials. For example, the material of the refractive lens 1 can include one or more of polyester compounds, LA polymers, and chitin. The driving structure can drive the dioptric lens 1 to generate deformation, so that the dioptric lens 1 is close to the lens 5 or away from the lens 5, so as to adjust the light entering the lens 5 and improve the imaging effect. Since the driving structure can drive the refractive lens 1 to produce continuous deformation, the continuous change of the diopter of the camera module can be realized. The camera module mentioned above does not need a large stroke to realize diopter adjustment, which makes the camera module thinner.

The refractive lens 1 can be regarded as the outer lens of the camera module, and the lens 5 located in the accommodating cavity can be regarded as the inner lens of the camera module. By adjusting the distance between the outer lens and the inner lens, the light entering the inner lens is adjusted, thereby adjusting the diopter of the inner lens, and the imaging effect of the inner lens can be improved.

The lens 5 can also be understood as a lens module, and the lens module is arranged on the base 6 .

The camera module in this embodiment includes a refractive lens 1, a housing, a driving structure and a lens 5; the housing is provided with an accommodating cavity, and the housing is provided with a The light transmission hole, the refractive lens is arranged outside the housing and covers the light transmission hole, the lens is located in the accommodating cavity; the driving structure is arranged in the housing, and the The driving structure is connected with the refractive lens 1 , and the driving structure is used to drive the refractive lens 1 to deform close to or away from the lens 5 . In the above structure, the diopter lens 1 is driven to deform by the driving structure, the distance between the diopter lens 1 and the lens 5 can be adjusted, and the light entering the lens 5 can be adjusted, thereby improving the imaging effect of the lens 5 .

As shown in Fig. 2, Fig. 3 and Fig. 4, the housing upper cover 2 is provided with a chute 21, and the driving structure includes a wing 41, a first slider 42 and a driver; the first slider 42 Partially disposed in the chute 21, the wing 41 includes a clamping portion 411, and a first connecting portion 412 connected to the clamping portion 411; the clamping portion 411 is clamped on the diopter The edge position of the lens 1 , the edge position of the refractive lens 1 can be bonded with the clamping portion 411 . The first connecting portion 412 is rotatably connected to the first slider 42, the driving member is arranged on the first slider 42, and the driving member is used to drive the first slider 42 at the Slide in the chute 21. The clamping portion 411 is made of transparent material to avoid blocking light. Through the above structure, the driver can drive the first slider 42 to slide in the chute 21, and the first slider 42 can drive the first connecting part 412 to move, and the first connecting part 412 drives the clamping part 411 to move, thereby driving the flexor The movement of the optical lens makes the refractive lens 1 deform close to or away from the lens 5, and the distance between the refractive lens 1 and the lens 5 can be adjusted to adjust the light entering the lens 5, thereby improving the imaging effect of the lens 5.

Specifically, the number of clamping parts 411 may be multiple, such as four, and the four clamping parts 411 are arranged symmetrically. The refractive lens 1 has a circular structure, the clamping portion 411 includes a clamping groove, and the clamping groove has a radian matching the edge of the circular structure, and the edge of the refractive lens 1 The position can be bonded in the clamping groove. In the above, the refractive lens 1 can be a lens body, and the edge of the lens body is directly bonded in the clamping groove.

In one embodiment, the circular structure includes a fixing frame, and a lens body disposed on the fixing frame, and the clamping portion 411 is connected with the fixing frame. The shape of the fixing frame can match the shape of the lens body, for example, if the lens body is circular, the fixing frame can be circular. A plurality of clamping feet can be evenly arranged on the fixing frame, and the clamping feet and the fixing frame are detachably connected, which is convenient for maintenance and replacement. The clamping feet are used to clamp the lens body, for example, the clamping feet are clamped at the edge of the lens body. Alternatively, the frame body of the fixing frame is provided with a clamping groove, and the edge of the lens body is inserted into the clamping groove, and the edge of the lens body is adhered to the clamping groove by an adhesive. In this embodiment, the edge position of the refractive lens 1 is the fixing frame, and the fixing frame is bonded in the clamping groove.

As shown in FIG. 5 , the first slider 42 is provided with a mounting groove 421 and a first mounting through hole 422 , the first mounting through hole 422 runs through the mounting groove 421 , and the end of the first connecting part 412 is provided with a second mounting hole 422 . Through holes, the camera module also includes a second shaft 11, the end of the first connecting part 412 is placed in the installation groove 421, the second shaft 11 passes through the first installation through hole 422 and the second installation through hole, and the The first connecting portion 412 is disposed on the first slider 42 , and the first connecting portion 412 can rotate around the second rotating shaft 11 . Further, the two ends of the second rotating shaft can be provided with limiting structures, for example, external threads are provided at the ends, and after the second rotating shaft 11 passes through the first installation through hole 422 and the second installation through hole, it will be aligned with the external thread The matching internal thread is sleeved on the end of the second shaft to fix the second shaft 11 on the first slider 42 to prevent the second shaft 11 from moving relative to the first slider 42 and affecting the work of the first connecting part 412 state.

As shown in FIG. 3 , the housing upper cover 2 includes a base 22, and a second support portion 23 arranged on the base 22, the surface of the support portion facing the accommodating cavity is an inclined plane, and the The chute 21 is disposed on the slope, and the first sliding block 42 can slide in the chute 21 . The first slider 42 drives the first connecting part 412 to move, and the first connecting part 412 drives the clamping part 411 to move, thus driving the diopter lens to move, so that the diopter lens 1 is deformed to be close to or away from the lens 5, and the refraction can be adjusted The distance between the lens 1 and the lens 5 adjusts the light entering the lens 5, thereby improving the imaging effect of the lens 5.

As shown in Fig. 2, Fig. 6 and Fig. 7, the camera module also includes a second slider 7 and a bracket 8 arranged on the lower cover 3 of the housing; the second slider 7 includes a first support part 71, and a limiting part 72 connected with the first support part 71; the first supporting part 71 is rotatably connected with the bracket 8, the limiting part 72 has a through hole, and the first connection The part 412 is rotatably connected with the first slider 42 through the through hole.

When the driver drives the first slider 42 to slide in the chute 21, the second slider 7 plays a role of supporting and limiting the first connecting part 412, so that the first connecting part 412 can drive the clamping The part 411 drives the diopter lens 1 to deform, thereby adjusting the distance between the diopter lens 1 and the lens 5, adjusting the light entering the lens 5, and improving the imaging effect of the lens 5.

The thickness of the refractive lens 1 gradually decreases along a first direction, and the first direction is a direction from a center position of the refractive lens 1 to an edge position. For example, the refractive lens 1 may comprise an opposite first surface and a second surface, the first surface is connected to the second surface, the first surface is a plane and the first surface is arranged facing the lens 5 , the second surface is a curved surface protruding away from the lens 5 , and the light entering the lens 5 can be adjusted by the refractive lens 1 .

As shown in Figure 9, when the driving member does not apply the first force to the first slider 42, the refractive lens 1 is in the original state, that is, the refractive lens 1 is not deformed, and Figure 9 shows the refractive lens 1 The state when no deformation occurs. When the driver applies force to the first slider 42, the first slider 42 moves toward the bottom of the chute 21, and at the same time, the first slider 42 drives the end of the first connecting portion 412 toward the chute 21. The bottom end moves, and due to the setting of the first supporting part 71, the clamping part 411 moves in the direction opposite to the end of the first connecting part 412, thereby driving the refractive lens 1 to produce a convex deformation away from the lens 5, as As shown in FIG. 10 , the refractive lens 1 is deformed outwardly in a direction away from the lens 5 , which can realize a wide-angle function. Or, when the driving member applies the second force to the first slider 42, the first slider 42 moves toward the top of the chute 21, and at the same time, the first slider 42 drives the end of the first connecting portion 412 toward The top end of the chute 21 moves, and due to the setting of the first supporting part 71, the clamping part 411 moves in the direction opposite to the end of the first connecting part 412, thereby driving the refractive lens 1 to produce a convex deformation toward the lens 5 , in cooperation with the lens 5, the focal length adjustment can be realized. The acting direction of the first acting force is opposite to that of the second acting force.

As shown in Fig. 6 and Fig. 8, a groove 31 is provided on the lower cover 3 of the housing; Shaped piece 82 ; the supporting foot 81 is disposed in the groove 31 , and the first supporting portion 71 is rotatably connected to the ring-shaped piece 82 . When the first slider 42 drives the first connecting part 412 to move, the supporting foot 81 can support the first connecting part 412, so that the moving direction of the clamping part 411 is opposite to that of the first slider 42, for example, When the first slider 42 moves toward the lens, the clamping portion 411 moves away from the lens.

As shown in Figure 7, the lower cover 3 of the housing is a square structure, and grooves 31 are provided at the four corners of the square structure; Four supporting feet 81, and the ring 82 connected with the four supporting feet 81; the four supporting feet 81 are respectively arranged in the four grooves 31, and the first supporting part 71 and the The ring member 82 is rotatably connected.

As shown in Fig. 2 and Fig. 6, the camera module further includes a first rotating shaft 10, the ring member 82 includes a housing portion 821, and a second connecting portion 822 connected to the housing portion 821; The supporting foot 81 is connected to the second connecting portion 822, the opposite sides of the accommodating portion 821 are respectively provided with a first through hole and a second through hole, and the end of the first supporting portion 71 is provided with a third Through holes, the first rotating shaft 10 passes through the first through hole, the third through hole and the second through hole in sequence, so that the first supporting part 71 and the accommodating part 821 can rotate connect. Since the first supporting part 71 is rotatably connected to the accommodating part 821, when the first slider 42 drives the first connecting part 412 to move, the first supporting part 71 can follow the movement of the first connecting part 412, The adaptive rotation relative to the accommodating part 821 can support the first connecting part 412 and avoid hindering the movement of the first connecting part 412 .

The distance between the opposite two sides of the accommodating portion 821 can be slightly larger than the width of the end portion of the first support portion 71. On the one hand, it can avoid the opposite two faces of the accommodating portion from hindering the rotation of the first support portion 71. The first supporting part 71 cannot rotate flexibly. On the other hand, the distance between the end width of the first supporting part 71 and the opposite sides of the accommodating part 821 is small, which can prevent the first supporting part 71 from being in the accommodating part. The sliding displacement in 821 is relatively large, which ultimately affects the movement accuracy of the first connecting portion 412 .

As shown in Fig. 1 and Fig. 2, the camera module also includes a base 6 and a circuit board 9 arranged on the base 6, and the housing lower cover 3 is arranged on the base 6; the driver It includes a first magnetic assembly 431 and a second magnetic assembly 432 oppositely arranged, the first magnetic assembly 431 is arranged on the first slider 42, and the second magnetic assembly 432 is arranged on the base 22, The second magnetic assembly 432 is electrically connected to the circuit board 9 .

Specifically, the first magnetic component 431 can be a permanent magnet, the second magnetic component 432 can be a coil, and the circuit board 9 can energize the second magnetic component 432, so that the second magnetic component 432 generates a magnetic field, so that the first magnetic component 431 An attractive force or a repulsive force is generated between the second magnetic component 432 to push the first slider 42 to slide on the slide slot 21 .

Optionally, the number of the driving structures is four, and the clamping parts 411 of the four wings 41 are symmetrically arranged at the edge positions of the refractive lens 1, and the first connecting part 412 of each wing 41 is connected to one The first slider 42 is rotatably connected, the first magnetic assembly 431 of each driver is arranged on a first slider 42, and the second magnetic assembly 432 of each driver is electrically connected to different ports of the circuit board 9 .

Different currents can be applied to different second magnetic assemblies 432 through different ports of the circuit board 9, so that each second magnetic assembly 432 generates magnetic fields of different strengths, so that each driving member produces different forces on the diopter lens 1, The refractive lens 1 is tilted to realize tilted focusing similar to a pan-tilt. As shown in FIG. 11 , in FIG. 11 , the force acting on the refractive lens 1 is unbalanced, which may cause the refractive lens 1 to tilt to achieve oblique focusing.

The present application also provides an electronic device, including the camera module in the above embodiment.

The above is only a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Anyone skilled in the art can easily think of changes or substitutions within the technical scope disclosed in the present invention. Should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims (10)

1. A camera module, comprising: a refractive lens, a casing, a drive structure and a lens; The casing is provided with an accommodating cavity, and the casing is provided with a light-transmitting hole communicating with the accommodating cavity, and the refractive lens is arranged outside the casing and covers the light-transmitting hole , the lens is located in the accommodating cavity; The driving structure is arranged on the housing, and the driving structure is connected to the refractive lens, and the driving structure is used to drive the refractive lens to deform close to or away from the lens; The housing includes a housing upper cover and a housing lower cover, the housing upper cover and the housing lower cover cooperate to form the accommodating cavity, and the housing upper cover has the light-transmitting hole , the driving structure is arranged on the upper cover of the housing; The upper cover of the housing is provided with a chute, and the driving structure includes fins, a first slider and a driving member; The first slider part is arranged in the chute, the fin includes a clamping part, and a first connecting part connected with the clamping part; The clamping part is clamped at the edge of the refractive lens, the first connecting part is rotatably connected to the first slider, the driving part is arranged on the first slider, and the The driving member is used to drive the first sliding block to slide in the sliding groove. 2. The camera module according to claim 1, wherein the camera module further comprises a second slider and a bracket arranged on the lower cover of the casing; The second slider includes a first support portion, and a limiting portion connected to the first support portion; The first supporting part is rotatably connected to the bracket, the limiting part has a through hole, and the first connecting part is rotatably connected to the first slider through the through hole. 3. The camera module according to claim 2, wherein a groove is arranged on the lower cover of the casing; The bracket includes a support foot matched with the groove, and a ring connected to the support foot; The supporting feet are arranged in the grooves, and the first supporting part is rotatably connected with the ring member. 4. The camera module according to claim 3, characterized in that, the camera module further comprises a first rotating shaft, the annular member comprises a housing part, and a second connection connected to the housing part department; The supporting legs are connected to the second connecting part, first through holes and second through holes are respectively provided on the opposite sides of the accommodating part, and a third through hole is provided at the end of the first supporting part, The first supporting part is rotatably connected to the accommodating part through the first rotating shaft passing through the first through hole, the third through hole and the second through hole in sequence. 5. The camera module according to claim 1, wherein the upper cover of the casing comprises a base, and a second support portion arranged on the base, the support portion faces the accommodating The surface of the cavity is an inclined surface, and the chute is arranged on the inclined surface. 6. The camera module according to claim 5, wherein the camera module further comprises a base and a circuit board arranged on the base, and the lower cover of the housing is arranged on the base; The driver includes a first magnetic assembly and a second magnetic assembly oppositely arranged, the first magnetic assembly is arranged on the first slider, the second magnetic assembly is arranged on the base, and the The second magnetic assembly is electrically connected with the circuit board. 7. The camera module according to claim 6, wherein the number of the driving structures is four, and the clamping parts of the four wings are symmetrically arranged at the edge positions of the refractive lenses, and each wing The first connecting portion of the sheet is rotatably connected to a first slider, the first magnetic assembly of each driver is arranged on a first slider, and the second magnetic assembly of each driver is different from that of the circuit board. The port is electrically connected. 8. The camera module according to claim 1, wherein the thickness of the refractive lens gradually decreases along a first direction, and the first direction is from the center position to the edge position of the refractive lens direction. 9. The camera module according to claim 1, wherein the material of the refractive lens comprises at least one of polyester compounds, LA polymers, and chitin. 10. An electronic device, comprising the camera module according to any one of claims 1-9.

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