WO2020108241A1

WO2020108241A1 - Multi-lens focusing module, image capture apparatus, and electronic device

Info

Publication number: WO2020108241A1
Application number: PCT/CN2019/115605
Authority: WO
Inventors: 余岗
Original assignee: 维沃移动通信（杭州）有限公司
Priority date: 2018-11-29
Filing date: 2019-11-05
Publication date: 2020-06-04
Also published as: CN109274893A

Abstract

Disclosed in the present disclosure are a multi-lens focusing module, an image capture apparatus, and an electronic device; the multi-lens focusing module comprises at least two lens focusing assemblies and at least two shared magnetic bodies; the two adjacent lens focusing assemblies are arranged side-by-side, and each shared magnetic body is disposed in one assembly among the two adjacent lens focusing assemblies, or each shared magnetic body is disposed between the two adjacent lens focusing assemblies, the two adjacent lens focusing assemblies sharing the shared magnetic bodies.

Description

Multi-lens focusing module, camera device and electronic equipment

Cross-reference of related applications

This application claims the priority of Chinese Patent Application No. 201811445892.0 filed in China on November 29, 2018, the entire contents of which are hereby incorporated by reference.

Technical field

The present disclosure relates to the field of lens focusing technology, and in particular, to a multi-lens focusing module, camera device, and electronic equipment.

Background technique

In related technologies, camera devices are provided in electronic devices such as mobile phones, tablet computers, and notebooks. The camera devices can be used for taking pictures or recording videos. In order to meet users' high quality requirements for photos or videos, electronic devices in related technologies The camera device has a focus function. The camera device usually uses a motor to control the axial displacement of the optical lens to achieve the focus function.

The camera device in the related art adopts multiple cameras, and the lens of each camera is driven by a motor to focus. Each motor is provided with a magnetic body to provide a magnetic field. In order to prevent multiple magnetic bodies from interfering with each other, adjacent motors are provided Spacer.

However, the above design increases the distance between two adjacent motors, thereby increasing the volume of the multi-lens focusing module and occupying more installation space.

Summary of the invention

Embodiments of the present disclosure provide a multi-lens focusing module, a camera device, and electronic equipment, which solve the problem that the multi-lens focusing module is bulky and takes up more installation space.

In order to solve the above technical problems, the present disclosure is implemented as follows:

In a first aspect, a multi-lens focusing module is provided, which includes at least two lens focusing components and at least one common magnetic body, two adjacent lens focusing components are arranged side by side, and each of the common magnetic bodies is disposed adjacent to each other In one of the two lens focusing components, or each common magnetic body is disposed between two adjacent lens focusing components, and the two adjacent lens focusing components share the common magnetic body.

In a second aspect, a camera device is provided, which includes the multi-lens focusing module, multiple lenses, multiple image sensors, and a circuit board, the multiple lenses are respectively disposed on the multiple lens focusing components, and the multiple images The sensors are arranged on the circuit board and respectively located at the bottom of the casing of the lens focusing components, and correspond to the lenses respectively, and the circuit board is electrically connected to the lens focusing components.

In a third aspect, an electronic device is provided that includes using the camera device.

In the embodiment of the present disclosure, by setting a common magnetic body in one of the two adjacent lens focusing components or between two adjacent lens focusing components, the magnetic field of the common magnetic body can act on the adjacent two The lens focusing component drives the two adjacent lens focusing components to operate, so that the two adjacent lens focusing components share the same common magnetic body, so there is no magnetic interference between the two, thereby reducing the multi-lens focusing module The size of the installation space can be reduced.

BRIEF DESCRIPTION

The drawings described herein are used to provide a further understanding of the present disclosure and constitute a part of the present disclosure. The exemplary embodiments and descriptions of the present disclosure are used to explain the present disclosure and do not constitute an undue limitation on the present disclosure. In the drawings:

1 is a schematic diagram of a multi-lens focusing module according to the first embodiment of the present disclosure;

2 is a cross-sectional view of the multi-lens focusing module of the first embodiment of the present disclosure;

2A is a cross-sectional view of the lens focusing assembly on the left side in FIG. 2;

2B is a cross-sectional view of the lens focusing assembly on the right side in FIG. 2;

3 is a schematic diagram of a multi-lens focusing module according to a second embodiment of the present disclosure;

4 is a schematic diagram of a multi-lens focusing module according to a third embodiment of the present disclosure;

5 is a schematic diagram of a multi-lens focusing module according to a fourth embodiment of the present disclosure.

detailed description

The technical solutions in the embodiments of the present disclosure will be described clearly and completely in conjunction with the drawings in the embodiments of the present disclosure. Obviously, the described embodiments are part of the embodiments of the present disclosure, but not all of the embodiments. Based on the embodiments in the present disclosure, all other embodiments obtained by a person of ordinary skill in the art without creative efforts fall within the protection scope of the present disclosure.

The present disclosure provides a multi-lens focusing module, which includes at least two lens focusing components and at least one common magnetic body, two adjacent lens focusing components are arranged side by side, and each common magnetic body is set to focus on two adjacent lenses In one of the components, or each common magnetic body is disposed between two adjacent lens focusing components, the electromagnetic components of the two adjacent lens focusing components share a common magnetic body, so that the adjacent two At least one of the lens focusing components performs focusing. A common magnetic body is set between one of the two adjacent lens focusing components or between two adjacent lens focusing components. The magnetic field of the common magnetic body can act on the two adjacent lens focusing components to drive the two adjacent lens focusing components. The two lens focusing components actuate, so that the two adjacent lens focusing components share the same common magnetic body, so there will be no magnetic interference between the two, thereby reducing the size of the multi-lens focusing module, which can reduce the installation space occupied .

Please refer to FIGS. 1 and 2, which are schematic diagrams and cross-sectional views of a multi-lens focusing module according to a first embodiment of the present disclosure. As shown, this embodiment provides a multi-lens focusing module 1. The multi-lens focusing module 1 includes two Two lens focusing components 10 and a common magnetic body 11, two lens focusing components 10 are arranged side by side, the common magnetic body 11 is arranged in one of the two lens focusing components 10, and is close to the other lens focusing component 10, and the two At least one of the lens focusing components 10 can focus.

The lens focusing assembly 10 of this embodiment improves the structure of the motor in the related art, and mainly adjusts the arrangement of the magnetic body of the motor in the related art. Each lens focusing assembly 10 includes a casing 101, a movable carrier 102 and an electromagnetic assembly 103. The movable carrier 102 is movably disposed in the casing 101 and can move relative to the casing 101 along its axial direction. The movable carrier 102 has a carrying portion 1021 for carrying the lens, which may be a slot, a hole or a hole to accommodate the lens. The electromagnetic component 103 is disposed on the outer side wall of the movable carrier 102.

In this embodiment, the common magnetic body 11 is disposed in the lens focusing assembly 10 on the left side in the figure, and is attached to the inner surface of the housing 101 near the lens focusing assembly 10 on the right side in the figure. The two electromagnetic components 103 of the two lens focusing components 10 respectively correspond to the positions of the common magnetic body 11. The electromagnetic components 103 of the two lens focusing components 10 are located within the magnetic force acting range of the common magnetic body 11. The common magnetic body 11 may be a magnet.

For specific applications, the lens focusing assembly 10 on the left in FIG. 2 is an improved shrapnel motor (as shown in FIG. 2A), so the lens focusing assembly 10 further includes a shrapnel structure 104, which is fixed in the housing 101, and There are two elastic pieces 1041 arranged oppositely. The two elastic pieces are respectively connected to the lower edge and the upper edge of the movable carrier 102 to limit the moving range of the movable carrier 102 and assist the axial displacement of the movable carrier 102 relative to the housing 101. The electromagnetic component 103 of the lens focusing component 10 is only a coil 1031 which is wound on the outer side wall of the movable carrier 102 and corresponds to the position of the common magnetic body 11, that is, the coil 1031 is within the magnetic force range of the common magnetic body 11.

The lens focusing assembly 10 on the right in FIG. 2 is an improved ball motor (as shown in FIG. 2B). The lens focusing assembly 10 further includes a ball structure 105. The ball structure 105 is disposed on one side of the movable carrier 102, and the ball structure 105 A plurality of balls 1051 abut the outer side wall of the movable carrier 102 to assist the movable carrier 102 to perform axial displacement relative to the housing 101. The electromagnetic component 103 of the lens focusing assembly 10 is disposed on the outer wall of the movable carrier 102 corresponding to the common magnetic body 11. The electromagnetic component 103 includes a coil 1031. The coil 1031 is disposed on the outer wall of the movable carrier 102 corresponding to the common magnetic body 11 The position of the body 11 corresponds, that is, the coil 1031 is located within the magnetic force acting range of the common magnetic body 11.

When the multi-lens focusing module 1 of this embodiment is in use, the coil 1031 of the electromagnetic component 103 applying current to one of the two lens focusing components 10, the common magnetic body 11 applies a magnetic field to the electromagnetic component 103, according to Fleming The left-hand rule is that the magnetic field direction and the current direction are perpendicular to each other to generate a force (Lorentz force) that drives the movable carrier 102 to perform an axial displacement. The axial direction in FIG. 2 refers to the Z direction. When the movable carrier 102 of each lens focusing assembly 10 carries the lens, by applying an electric current to the electromagnetic assembly 103 of the lens focusing assembly 10, the common magnetic body 11 applies a magnetic field to the electromagnetic assembly 103 through which the electric current passes to generate the movable carrier 102 as an axis The force of the displacement, which in turn drives the lens to autofocus.

Since the common magnetic body 11 is disposed in the lens focusing assembly 10 on the left in FIG. 2, in order to increase the magnetic field strength of the common magnetic body 11 to the electromagnetic assembly 103 of the lens focusing assembly 10 on the right in FIG. 2, the right The electromagnetic assembly 103 of the lens focusing assembly 10 further includes a magnetic concentrating member 1032, which is disposed on the outer side wall of the movable carrier 102 corresponding to the common magnetic body 11 and surrounds the coil 1031. The magnetic concentrating member 1032 guides the magnetic force lines of the common magnetic body 11 It extends to the coil 1031 to increase the magnetic field strength of the common magnetic body 11 so that the coil 1031 of the lens focusing assembly 10 on the right side in FIG. 2 is within the magnetic force range of the common magnetic body 11.

In specific applications, the auxiliary magnetic body 12 can be added to the lens focusing assembly 10 on the left side in FIG. 1 and FIG. 2. The auxiliary magnetic body 12 is disposed in the housing 101 and is located on the side of the movable carrier 102, and is shared with the common magnetic body 11 is opposite, the magnetic pole of the auxiliary magnetic body 12 facing the common magnetic body 11 is different from the magnetic pole of the common magnetic body 11, so that a magnetic field is generated between the auxiliary magnetic body 12 and the common magnetic body 11 to increase the strength of the magnetic field applied to the electromagnetic component 103. The magnetic body 11 and the auxiliary magnetic body 12 are disposed on both sides of the movable carrier 102 to stably move the movable carrier 102 for axial displacement.

Furthermore, two auxiliary magnetic bodies 12 can be added to the lens focusing assembly 10 on the left side in FIGS. 1 and 2. The two auxiliary magnetic bodies 12 are arranged in the housing 101 and are respectively located in the movable carrier Between the two sides of 102 and between the common magnetic body 11 and the auxiliary magnetic body 12 disposed oppositely, the direction of the magnetic field generated by the two auxiliary magnetic bodies 12 and the direction of the magnetic field generated by the opposite common magnetic body 11 and the auxiliary magnetic body 12 are The current directions of the coils 1031 are perpendicular to each other, and drive the movable carrier 102 to move in the same direction along the axial direction. In this way, the four sides of the movable carrier 102 are provided with magnetic bodies, which can stably move the movable carrier 102 along the axial displacement. The auxiliary magnetic body 12 may be a magnet.

This embodiment is only an embodiment of the present disclosure. The structure of the lens focusing assembly 10 on the left side in FIGS. 1 and 2 can be replaced with the structure of the lens focusing assembly 10 on the right side in FIGS. 1 and 2, or FIG. 1 and The structure of the lens focusing assembly 10 on the right in FIG. 2 can be replaced with the structure of the lens focusing assembly 10 on the left in FIGS. 1 and 2, so that the structures of the two lens focusing assemblies 10 can be the same. In addition, the lens focusing unit 10 on the right side in FIGS. 1 and 2 is not provided with a magnetic body, so the size of the lens focusing unit 10 can be reduced, in particular, the size in the lateral direction in FIGS. 1 and 2 is reduced, and further reduced The size of the lens focusing module 1.

In addition to improving the shrapnel motor and ball motor in related technologies, the lens focusing assembly 10 can also improve the optical image stabilization (OIS) motor. The OIS motor has an optical image stabilization group and a lens focusing group, and the optical image stabilization group is adjusted The horizontal direction of the movable carrier, the lens focusing group adjusts the axial direction of the movable carrier, and both the optical anti-shake group and the lens focusing group use magnetic bodies. When the OIS motor is applied to the lens focusing assembly 10 of this embodiment, it is only necessary to use the common magnetic body 11 of this embodiment to replace the magnetic body of the lens focusing group of the OIS motor in the related art.

The multi-lens focusing module 1 of this embodiment further includes an assembly bracket 13. The assembly bracket 13 is a frame body having an opening. The two lens focusing components 10 are disposed in the opening, that is, the assembly bracket 13 surrounds the two lens focusing components 10. It is arranged outside to fix the multiple lens focusing assembly 10. The assembly bracket 13 of this embodiment does not need to be extended between two lens focusing assemblies 10 as in the related art. In other words, the multi-lens focusing module 1 of this embodiment is provided with a common magnetic body 11 to make the two adjacent There is no magnetic interference between the lens focusing components 10, and there is no need to provide a magnetic shielding element between the two lens focusing components 10, which effectively reduces the size of the multi-lens focusing module 1.

Please refer to FIG. 3, which is a schematic diagram of a lens focusing module according to a second embodiment of the present disclosure. As shown, the lens focusing module 1 of this embodiment differs from the lens focusing module of the first embodiment in that the lens of this embodiment The focusing module 1 includes three lens focusing components and two common magnetic bodies 11 arranged side by side. The three lens focusing components in the figure are called a first lens focusing component 10a, a second lens focusing component 10b, and a The three-lens focusing assembly 10c is convenient for the following description. The two common magnetic bodies 11 are respectively disposed on one of the adjacent first lens focusing unit 10a and the second lens focusing unit 10b and one of the adjacent second lens focusing unit 10b and the third lens focusing unit 10c. In other words, two adjacent lens focusing components share the same common magnetic body 11. In this embodiment, the two common magnetic bodies 11 are both disposed in the second lens focusing assembly 10b, and the two common magnetic bodies 11 are opposed, one of which is close to the first lens focusing assembly 10a, and the other is close to the third lens focusing assembly 10c .

Please refer to FIG. 4, which is a schematic diagram of a lens focusing module according to a third embodiment of the present disclosure. As shown, the lens focusing module 1 of this embodiment differs from the lens focusing module of the second embodiment in that the two A common magnetic body 11 is respectively disposed in the first lens focusing unit 10a and the third lens focusing unit 10c, and is close to the second lens focusing unit 10b.

Please refer to FIG. 5, which is a schematic diagram of a lens focusing module according to a fourth embodiment of the present disclosure. As shown, the lens focusing module 1 of this embodiment differs from the lens focusing module of the second embodiment in that the two A common magnetic body 11 is respectively disposed in the first lens focusing unit 10a and the second lens focusing unit 10b. The common magnetic body 11 disposed in the first lens focusing unit 10a is close to the second lens focusing unit 10b and is disposed in the second lens The common magnetic body 11 in the focusing assembly 10b is opposite to the common magnetic body 11 provided in the first lens focusing assembly 10a, and is close to the third lens focusing assembly 10c. Of course, the common magnetic body 11 disposed in the first lens focusing assembly 10a and close to the second lens focusing assembly 10b can be reconfigured in the second lens focusing assembly 10b and close to the first lens focusing assembly 10a, and disposed in the second lens focusing assembly The common magnetic body 11 within 10b and close to the third lens focusing unit 10c can be re-arranged on the third lens focusing unit 10c and close to the second lens focusing unit 10b.

In the above embodiment, three lens focusing components are arranged side by side to carry three lenses. Of course, the multi-lens focusing module can have four, five or more lens focusing components, and can carry four, five or more lenses. The magnetic body 11 is disposed in one of the two adjacent multi-lens focusing components or between two adjacent multi-lens focusing components, and makes the two multi-lens focusing components adjacent to the common magnetic body 11 At least one can work normally.

The present disclosure provides a camera device, which includes a multi-lens focusing module, a plurality of lenses, a plurality of image sensors, and a circuit board. The multi-lens focusing module uses the multi-lens focusing module of the foregoing embodiment, and the plurality of lenses are respectively disposed on the plurality of lenses to focus Active carrier of components. A plurality of image sensors are arranged on the circuit board, and are respectively arranged on the bottom of the casing of the plurality of lens focusing components, and are respectively arranged corresponding to the lenses. The circuit board is electrically connected to the electromagnetic component of each multi-lens focusing component to apply current to the corresponding electromagnetic component of the multi-lens focusing component.

The present disclosure provides an electronic device in which the above imaging device is provided, and a circuit board of the imaging device is electrically connected to a control circuit of the electronic device.

In summary, the present disclosure provides a multi-lens focusing module, camera device, and electronic equipment. The two adjacent lens focusing components share the same common magnetic body, so there is no difference between the two adjacent lens focusing components. Magnetic interference is generated, and the distance between two adjacent lens focusing components is also reduced, thereby reducing the size of the multi-lens focusing module, which can reduce the installation space occupied.

It should be noted that in this article, the terms "include", "include" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device that includes a series of elements includes not only those elements, It also includes other elements that are not explicitly listed, or include elements inherent to such processes, methods, objects, or devices. Without more restrictions, the element defined by the sentence "include one..." does not exclude that there are other identical elements in the process, method, article or device that includes the element.

The embodiments of the present disclosure have been described above with reference to the drawings, but the present disclosure is not limited to the above-mentioned specific implementations. The above-mentioned specific implementations are merely schematic, not limiting, and those of ordinary skill in the art Under the inspiration of the present disclosure, many forms can be made without departing from the purpose of the present disclosure and the scope protected by the claims, all of which fall within the protection of the present disclosure.

Claims

A multi-lens focusing module includes at least two lens focusing components and at least one common magnetic body, two adjacent lens focusing components are arranged side by side, and each of the common magnetic bodies is disposed on two adjacent In one of the lens focusing components, or each of the common magnetic bodies is disposed between two adjacent lens focusing components, and the two adjacent lens focusing components share the common magnetic body.
The multi-lens focusing module according to claim 1, further comprising an assembly bracket having an opening, and the at least two lens focusing components are disposed in the opening.
The multi-lens focusing module according to claim 1, wherein the lens focusing assembly includes a housing, a movable carrier and an electromagnetic component, the movable carrier is movably disposed in the housing, and the electromagnetic component is disposed in the housing Between the body and the movable carrier and corresponding to the position of the common magnetic body.
The multi-lens focusing module of claim 3, wherein the lens focusing component is a shrapnel motor or a ball motor.
The multi-lens focusing module according to claim 4, wherein the lens focusing component is a shrapnel motor, and the electromagnetic component includes a coil, the coil is wound around the outer side wall of the movable carrier and is magnetically shared with the Body position corresponds.
The multi-lens focusing module according to claim 4, wherein the lens focusing component is a ball motor, the electromagnetic component includes a coil, and the coil is disposed on an outer side wall of the movable carrier corresponding to the common magnetic body, And corresponds to the position of the common magnetic body.
The multi-lens focusing module according to claim 6, wherein the electromagnetic assembly further includes a magnetic concentrator, and the magnetic concentrator is disposed around the coil.
The multi-lens focusing module according to claim 4, further comprising an auxiliary magnetic body, the auxiliary magnetic body is disposed in the housing and located on at least one side of the movable carrier, the electromagnetic component and the auxiliary magnetic body Body position corresponds.
An imaging device, comprising the multi-lens focusing module according to any one of claims 1-8, a plurality of lenses, a plurality of image sensors and a circuit board, a plurality of the lenses are respectively set on a plurality of the lenses to focus On the assembly, a plurality of the image sensors are disposed on the circuit board, and are respectively located at the bottom of the housing of the plurality of lens focusing components, and respectively correspond to the plurality of lenses, the circuit board and the plurality of The lens focusing component is electrically connected.
An electronic device comprising the camera device according to claim 9.