CN218162593U

CN218162593U - Anti-shake camera module and electronic equipment

Info

Publication number: CN218162593U
Application number: CN202222072209.1U
Authority: CN
Inventors: 王朗; 李泽生; 王宁
Original assignee: Liaoning Zhonglan Photoelectric Technology Co Ltd
Current assignee: Liaoning Zhonglan Photoelectric Technology Co Ltd
Priority date: 2022-08-08
Filing date: 2022-08-08
Publication date: 2022-12-27
Anticipated expiration: 2032-08-08

Abstract

The utility model relates to an anti-shake camera module and electronic equipment, the anti-shake camera module comprises a base, a protective shell and the base are connected to form a containing space; the carrier seat is arranged in the accommodating space and used for carrying the lens assembly, the top of the carrier seat is connected with the base through a first elastic sheet assembly, and the bottom of the carrier seat is connected with the base through a second elastic sheet assembly; the magnet is arranged on the carrying seat; a metal reinforcing piece is arranged inside the base, and the metal reinforcing piece, the first elastic piece component and the lens component are electrically connected; the utility model adopts the combination of the traditional anti-shake motor and the lens component, and can add other functions on the basis of focusing and anti-shake of the traditional motor, thereby realizing low back and better photographing effect; the upper elastic sheet is electrically connected with the lens component, so that an external circuit board can be avoided, the safety is good, and the space is saved.

Description

Anti-shake camera module and electronic equipment

Technical Field

The utility model belongs to the technical field of the optical element drive, concretely relates to anti-shake camera module and electronic equipment.

Background

In the present market, optical systems of common handheld optical products, such as digital cameras, video cameras, mobile phones, etc., are composed of an optical lens group and a camera driving device. During the shooting process, the camera is prone to shaking caused by external force, such as shaking caused by hand holding, vehicle traveling and external environmental factors, and further causes the problems of being incapable of imaging clearly or blurring images. The common image compensation system of the mobile phone in the market compensates the light path offset problem by using the lens translation mode, and the compensation mechanism mainly depends on the suspension wire to suspend and translate the movable part to achieve the light path compensation, but the common image compensation system has the following problems:

1. the suspension wire assembly process is complicated and has more electrical property transfer processes and solder joint height limitation, so that the product cannot realize low-back; 2. in the process of impact reliability experiment, the welding point is easy to break, and the suspension wire is easy to be pulled by the fixed end and the movable part to cause the fatigue fracture of the wire diameter, thereby causing the problems of no action of the motor or poor compensation effect and the like; 3. the current shell fragment formula anti-shake motor adopts to realize focusing anti-shake function through carrier control camera lens more, can't realize other regulatory function.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides an anti-shake camera module, which comprises a base 1, and a protective shell 3 connected with the base 1 to form an accommodating space; the carrier seat 4 is arranged in the accommodating space and used for carrying the lens component 5, the top of the carrier seat 4 is connected with the base 1 through a first elastic piece component 6, and the bottom of the carrier seat is connected with the base 1 through a second elastic piece component 7; the magnet 9 is arranged on the carrying seat 4;

the metal reinforcing part 2 is arranged in the base 1, and the metal reinforcing part 2, the first elastic piece component 6 and the lens component 5 are electrically connected.

Further, the protective shell 3 is provided with a through hole 3.1 adapted to the lens assembly 5.

Further, the lens assembly 5 is provided with a communication terminal 5.1 for electrical connection.

Furthermore, the second elastic piece assembly 7 is formed by fixedly connecting a second elastic piece 7.1 and a third elastic piece 7.2, and is used for improving the stability.

Furthermore, the number of the second elastic sheet 7.1 and the number of the third elastic sheet 7.2 are both more than or equal to 2.

Further, the carrier 4 comprises an annular carrier 4.1 for mounting the lens assembly, and a bracket 4.2 is sleeved outside the carrier 4.1.

Furthermore, a circumferential groove is formed in the outer wall of the carrier 4.1 along the circumferential direction, an AF coil 8 is fixedly arranged in the circumferential groove, and the AF coil 8 is electrically connected with the second elastic piece assembly 7.

Further, an OIS coil 10 is arranged on the base 1, and the OIS coil 10 is used for being matched with the magnet 9 to prevent the lens component 5 from shaking when moving.

Further, a sensor 11 is further arranged on the base 1, and the sensor 11 is electrically connected with the metal reinforcement 2 and used for detecting and feeding back the motion condition of the carrier seat 4.

An electronic equipment, includes the equipment body and as aforesaid the anti-shake module of making a video recording, the anti-shake module of making a video recording install in on the equipment body.

The utility model has the advantages that:

the utility model adopts the combination of the traditional anti-shake motor and the lens component, and can add other functions on the basis of focusing and anti-shake of the traditional motor, thereby realizing low back and better photographing effect; the upper elastic sheet is electrically connected with the lens component, so that an external circuit board can be avoided, the safety is good, and the space is saved.

Drawings

Fig. 1 is an exploded schematic view of a three-dimensional structure of an anti-shake iris-diaphragm camera module according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of a base according to an embodiment of the present invention;

fig. 3 is a schematic perspective view of a metal reinforcement according to an embodiment of the present invention;

fig. 4 is a schematic perspective view of a protective shell according to an embodiment of the present invention;

fig. 5 is a schematic perspective view of a carriage according to an embodiment of the present invention;

FIG. 6 is a top view of a carrier according to an embodiment of the present invention;

fig. 7 is a schematic perspective view of a lens assembly according to an embodiment of the present invention;

fig. 8 is a schematic view of a connection structure between the iris diaphragm camera module and the first elastic assembly according to an embodiment of the present invention;

fig. 9 is a schematic structural view of a second elastic piece assembly according to an embodiment of the present invention;

in the figure, 1 is a base, 1.1 is a bottom plate, 1.2 is a first retaining wall, 1.3 is a second retaining wall, 1.4 is a groove, 2 is a metal reinforcement, 2.1 is a signal terminal, 2.2 is a conductive terminal, 3 is a protective shell, 3.1 is a through hole, 4 is a carrier, 4.1 is a carrier, 4.2 is a bracket, 4.3 is a binding post, 4.4 is an avoidance groove, 5 is a lens component, 5.1 is a communication terminal, 6 is a first elastic sheet component, 6.1 is a bending part, 6.2 is a communication part, 7 is a second elastic sheet component, 7.1 is a second elastic sheet, 7.2 is a third elastic sheet, 8 is an AF coil, 9 is a magnet, 10 is an OIS coil, and 11 is a sensor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the present invention, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships 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 meaning of these terms in the present invention can be understood by those of ordinary skill 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, the terms "first," "second," and the like, are used primarily to distinguish one device, element, or component from another (the specific nature and configuration may be the same or different), and are not used to indicate or imply the relative importance or number of the indicated devices, elements, or components.

As shown in fig. 1, an anti-shake camera module includes a base 1, a metal reinforcement 2, a protective shell 3, a carrier seat 4, an iris lens assembly, a first elastic sheet assembly 6, and a second elastic sheet assembly 7;

as shown in fig. 2, the base 1 includes a square bottom plate 1.1, a first light hole is formed in the middle of the bottom plate 1.1, four first retaining walls 1.2 are uniformly arranged at four corners of the bottom plate 1.1, and each first retaining wall 1.2 is connected with a groove 1.4; the two second retaining walls 1.3 are respectively arranged at two opposite corners of the bottom plate 1.1 and are attached to the first retaining wall 1.2, and the height of the first retaining wall 1.2 is higher than that of the second retaining wall 1.3;

as shown in fig. 3, a metal reinforcement 2 is arranged inside the base 1, and the metal reinforcement 2 is provided with four vertical signal terminals 2.1 and two vertical conductive terminals 2.2; the four signal terminals 2.1 are respectively injected into the four first retaining walls 1.2, extend upwards to expose the tops of the first retaining walls 1.2, and then are bent to form connecting parts; the two conductive terminals 2.2 are respectively injected inside the two second retaining walls 1.3, extend upwards to expose the tops of the second retaining walls 1.3, and then are bent to form connecting parts.

The upper cover of the base 1 is provided with a protective shell 3, the protective shell 3 is connected with the base 1 to form an accommodating space, and as shown in fig. 4, the middle part of the protective shell 3 is provided with a through hole 3.1 matched with the iris lens assembly.

The carrier seat 4 is arranged in the accommodating space, is annular and is used for carrying an iris lens assembly, and as shown in fig. 5-6, comprises an annular carrier 4.1, wherein a circumferential groove is formed in the outer wall of the carrier 4.1 along the circumferential direction, an AF coil 8 (automatic focusing coil) is fixedly arranged in the circumferential groove, and four convex binding posts 4.3 are uniformly distributed on the outer wall of the carrier 4.1 along the circumferential direction; a support 4.2 is sleeved outside the carrier 4.1, except for the binding post 4.3 part, the support 4.2 is attached to the carrier 4.1, four magnet fixing grooves are uniformly formed in the top of the support 4.2, and four magnets 9 are respectively and fixedly arranged in the magnet fixing grooves; an avoidance groove 4.4 is formed at the bottom of the support 4.2;

the cylindrical iris diaphragm lens assembly is arranged on the carrier seat 4, the outer diameter of the iris diaphragm lens assembly is in clearance fit with the inner diameter of the carrier 4.1 and is bonded and fixed, and the first unthreaded hole, the through hole 3.1 and the lens are arranged on the same optical axis; as shown in fig. 7, two communication terminals 5.1 for electrical connection are symmetrically disposed on the outer wall of the variable aperture lens assembly.

The first elastic piece assembly 6 comprises four first elastic pieces which are mutually independent and are sequentially arranged end to form a circular assembly, and as shown in fig. 8, each first elastic piece is provided with a bending part 6.1 and a communicating part 6.2;

as shown in fig. 9, the second elastic piece assembly 7 includes two circular arc-shaped second elastic pieces 7.1 and two third elastic pieces 7.2, one end of each second elastic piece 7.1 is provided with a welding end, the two second elastic pieces 7.1 are arranged in a mirror image manner to form a circular assembly, and the two third elastic pieces 7.2 are welded and fixed with the two second elastic pieces 7.1 through the welding ends respectively, so that the problem that the integrally formed elastic piece assembly is easy to deform can be avoided;

each first elastic sheet is fixedly riveted with the top of the carrier 4.1 and the support 4.2, and the bent part 6.1 of each first elastic sheet extends into the grooves 1.4 at the four corners of the base 1 and is riveted; the connecting part of each signal terminal 2.1, the communication part 6 of the first elastic sheet and the communication terminal 5.2 are electrically connected;

each second elastic sheet 7.1 is fixedly riveted with the carrier 4.1 and the bottom of the bracket 4.2, and each third elastic sheet 7.2 is fixedly riveted with two second retaining walls 1.3 respectively; each second elastic sheet 7.1 is electrically connected with the AF coil 8 through a wiring terminal 4.3, and each third elastic sheet 7.2 is electrically connected with a connecting part of a conductive terminal 2.2.

An OIS coil 10 (optical image stabilizer coil) is arranged on the bottom plate 1.1, and after the OIS coil 10 is electrified, a magnetic field can be generated to interact with a magnet, so that the lens component can be prevented from shaking during movement.

Still be provided with sensor 11 on bottom plate 1.1, sensor 11 is located and dodges groove 4.4, and sensor 11 is connected with metal reinforcement 2 electricity for detect and feed back the motion condition of carrying the seat.

In this embodiment, an electronic device includes a device body and the anti-shake camera module according to claims 1 to 9, where the anti-shake camera module is mounted on the device body.

In this embodiment, the theory of operation of anti-shake camera module does:

1. the external power supply is sequentially electrically connected with the signal terminal 2.1, the first elastic sheet and the lens component 5, the signal terminal 2.1 can feed back the focusing anti-shake condition of the lens to the sensor and can conduct electricity to the lens component 5, and after the lens component 5 is electrified, the external control equipment can adjust the iris diaphragm so as to adjust the light inlet quantity of the lens;

2. the external power supply is electrically connected with the conductive terminal 2.2, the third elastic sheet 7.2, the second elastic sheet 7.1 and the AF coil 8 in sequence, and the AF coil 8 generates a magnetic field after being electrified and interacts with the magnet 9 to realize the focusing function of the lens component 5;

3. when the external power supply is electrically connected with the OIS coil 10, the OIS coil 10 generates another magnetic field after being electrified, and the magnetic field interacts with the magnet 9 to realize the anti-shake function;

4. the sensor 11 is powered on by the metal reinforcing part 2, signals are fed back to the external control equipment according to the magnetic field change generated by the movement of the magnet 9 after the power is on, and the external control equipment can further Adjust Focusing (AF) and anti-shaking (OIS) according to the fed-back signals.

Claims

1. An anti-shake camera module comprises a base, wherein a protective shell is connected with the base to form an accommodating space; the method is characterized in that: a carrying seat is arranged in the accommodating space and used for carrying the lens assembly, the top of the carrying seat is connected with the base through a first elastic piece assembly, and the bottom of the carrying seat is connected with the base through a second elastic piece assembly; the magnet is arranged on the carrying seat;

the metal reinforcing piece is arranged in the base, and the metal reinforcing piece, the first elastic piece assembly and the lens assembly are electrically connected.

2. The anti-shake camera module according to claim 1, wherein: the protective housing is provided with a through hole adapted to the lens assembly.

3. The anti-shake camera module according to claim 1, wherein: the lens assembly is provided with a communication terminal for electrical connection.

4. The anti-shake camera module according to claim 1, wherein: the second elastic piece assembly is formed by fixedly connecting a second elastic piece and a third elastic piece and is used for improving the stability.

5. The anti-shake camera module according to claim 4, wherein: the number of the second elastic sheet and the number of the third elastic sheet are both more than or equal to 2.

6. The anti-shake camera module according to claim 1, wherein: the carrying seat comprises an annular carrier for arranging the lens assembly, and a support is sleeved outside the carrier.

7. The anti-shake camera module according to claim 6, wherein: the outer wall of the carrier is circumferentially provided with a circumferential groove, an AF coil is fixedly arranged in the circumferential groove, and the AF coil is electrically connected with the second elastic piece assembly.

8. The anti-shake camera module according to claim 1, wherein: be provided with the OIS coil on the base, the OIS coil is used for cooperating with the magnetite, trembles when preventing the motion of lens subassembly.

9. The anti-shake camera module according to claim 1, wherein: the base is further provided with a sensor, and the sensor is electrically connected with the metal reinforcing part and used for detecting and feeding back the motion condition of the carrying seat.

10. An electronic device, comprising a device body and the anti-shake camera module according to any one of claims 1-9, wherein the anti-shake camera module is mounted on the device body.