CN112333362A

CN112333362A - Camera assembly and electronic equipment

Info

Publication number: CN112333362A
Application number: CN202011192685.6A
Authority: CN
Inventors: 熊玲; 王富星
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-02-05
Anticipated expiration: 2040-10-30
Also published as: CN112333362B

Abstract

The application discloses camera subassembly and electronic equipment belongs to consumer electronics technical field. The camera component comprises a focusing mechanism and a lens group, wherein the focusing mechanism comprises a fixed support, a lens barrel and a telescopic component, and the fixed support is provided with a first light hole; the lens cone is provided with a second light hole, the lens cone is movably connected with the fixed support, and the first light hole and the second light hole are correspondingly arranged; the lens group is fixedly connected with the second light-transmitting hole of the lens barrel and receives external light along a first direction; the first part of the telescopic assembly is fixedly arranged on the fixed support, the second part of the telescopic assembly is fixedly arranged on the lens cone, and the telescopic assembly stretches and retracts to drive the lens group to move along the first direction relative to the fixed support. In the focusing mechanism provided by the embodiment of the application, the lens group is driven to move by the independently arranged telescopic assembly in the focusing mechanism, so that the zooming range can be greatly improved, and the focusing mechanism is simple in structure and low in cost.

Description

Camera assembly and electronic equipment

Technical Field

The application belongs to the technical field of consumer electronics, and particularly relates to a camera assembly and electronic equipment.

Background

With the development of science and technology, various electronic products have more and more powerful functions, and the updating speed of the electronic products is faster and faster, for example, mobile phone cameras become more and more, and the functions of the mobile phone cameras become more and more novel; almost every kind of mobile phone has a camera with zoom function, such as an optical zoom camera and a digital zoom camera. At present, the zoom range of a traditional common camera is small, the optical zoom range of a single camera module is generally 2X, and the optical zoom range of a double camera module is only within 5X approximately. Therefore, the high-magnification focal length zoom mainly adopts the periscopic zoom, but the length direction of the periscopic zoom module is longer, which occupies a larger space of the mobile phone, and the structure is complex and the cost is higher.

Disclosure of Invention

The embodiment of the application aims to provide a camera assembly and electronic equipment so as to solve the technical problem that the focusing range of a camera in the prior art is small.

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 assembly, the camera assembly includes a focusing mechanism and a lens group, the focusing mechanism includes:

the fixing bracket is provided with a first light hole;

the lens cone is provided with a second light hole, the lens cone is movably connected with the fixed support, and the first light hole and the second light hole are correspondingly arranged; the lens group is fixedly connected with the second light-transmitting hole of the lens barrel and receives external light along a first direction;

the first part of the telescopic assembly is fixedly arranged on the fixed support, the second part of the telescopic assembly is fixedly arranged on the lens cone, and the telescopic assembly stretches to drive the lens cone to drive the lens group to move relative to the fixed support along the first direction.

In a second aspect, embodiments of the present application provide an electronic device including a camera assembly as described in the first aspect.

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

in the camera assembly provided by the embodiment of the application, the lens group is driven to move by the independently arranged telescopic assembly in the focusing mechanism, so that the zooming range can be greatly improved, and the camera assembly is simple in structure and low in cost.

Drawings

Fig. 1 is a schematic view illustrating a connection between a focusing mechanism and a lens group in a camera assembly according to an embodiment of the present disclosure;

FIG. 2 is a schematic partial structural diagram of a focusing mechanism in a camera assembly according to an embodiment of the present disclosure;

FIG. 3 is an exploded view of a camera assembly provided by embodiments of the present application;

FIG. 4 is a schematic view I of a portion of a camera head assembly provided by an embodiment of the present application;

fig. 5 is a partial schematic view of a camera head assembly provided in an embodiment of the present application.

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 is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application are capable of operation in sequences other than those illustrated or described herein. 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.

The following describes in detail a focusing mechanism provided in an embodiment of the present application with reference to the accompanying drawings.

Referring to fig. 1 and 2, an embodiment of the present application provides a camera assembly, where the camera assembly includes a focusing mechanism 1 and a lens group 201, the focusing mechanism includes a fixing bracket 101, a lens barrel 102, and a telescopic assembly 100, and the fixing bracket 101 is provided with a first light hole; the lens barrel 102 is provided with a second light hole, the lens barrel 102 is movably connected with the fixed bracket 101, and the first light hole and the second light hole are correspondingly arranged; the lens group 201 is fixedly connected to the second light-transmitting hole of the lens barrel 102, and the lens group 201 receives external light along a first direction; the first portion of the retractable assembly 100 is fixedly disposed on the fixed bracket 101, the second portion of the retractable assembly 100 is fixedly disposed on the lens barrel 102, and the retractable assembly 100 is retracted to drive the lens barrel 102 to drive the lens group 201 to move along the first direction relative to the fixed bracket 101.

In the camera head assembly provided by the embodiment of the application, the focusing mechanism is a separately arranged element, and the telescopic assembly 100 is arranged in the focusing mechanism to movably connect the lens barrel 102 with the fixed bracket 101. When focusing starts, the telescopic assembly 100 is firstly made to be telescopic along the first direction according to the magnification required to be adjusted, so that the lens barrel 102 is driven to drive the lens group 201 to be far away from or close to the fixed support 101 along the first direction until the lens group 201 moves to a preset position matched with the magnification required to be adjusted, and then subsequent focusing action is performed, and finally the purposes of zooming and focusing are achieved. The independently arranged focusing mechanism can greatly improve the zooming range, and has simple structure and low cost. Optionally, the lens set 201 may include only one lens, and may further include at least two lenses. Alternatively, the fixing bracket 101 may be made of LCP (industrial liquid crystal polymer) or ABS (terpolymer).

Referring to fig. 2, in one embodiment, the telescopic assembly 100 includes a shape memory alloy wire 104, a first end of the shape memory alloy wire 104 along the first direction is fixed to the fixing bracket 101, and a second end of the shape memory alloy wire 104 along the first direction is fixed to the lens barrel 102.

In this particular embodiment, the telescoping action of the telescoping assembly 100 is achieved by virtue of the provision of the shape memory alloy wire 104. Shape Memory Alloy (SMA) refers to a new type of smart material with Shape Memory effect and superelasticity, which can withstand large inelastic deformation and can recover its original Shape by heating or unloading, depending on the previous loading history. The shape memory effect means that the shape memory alloy is loaded in a low temperature state to be deformed, and then is heated, and the deformation disappears. Superelasticity refers to the property of a material to recover its original shape after inelastic deformation has occurred. In a specific application, the shape memory alloy wire 104 receives a heat change to change (thermal shrinkage and cold expansion principle), so as to drive the lens set 201 to move along a first direction.

Referring to fig. 1 and 2, in an embodiment, the telescopic assembly 100 further includes a wiring layer 103, and the shape memory alloy pulling wire 104 is electrically connected to the wiring layer 103.

The shape memory alloy wire 104 is electrically connected to the circuit layer 103 and further electrically connected to an external control element, thereby controlling the deformation of the shape memory alloy wire 104 by the external control element.

Referring to fig. 2, in an embodiment, the telescopic assembly 100 further includes a first fixing seat 105 and a second fixing seat 106, the first fixing seat 105 is fixed on the fixing bracket 101, and the second fixing seat 106 is fixed on the lens barrel 102; a first end of the shape memory alloy wire 104 along the first direction is fixedly connected to the first fixing seat 105, and a second end of the shape memory alloy wire 104 along the first direction is fixedly connected to the second fixing seat 106.

Specifically, optionally, the first fixing seat 105 and the second fixing seat 106 are made of a metal material, and it is understood that a first mounting groove for fixing the first fixing seat 105 is formed on the fixing support 101, a second mounting groove for fixing the second fixing seat 106 is formed on the lens barrel 102, the first fixing seat 105 is embedded in the first mounting groove, and the second fixing seat 106 is embedded in the second mounting groove. The first fixing seat 105 and the second fixing seat 106 are arranged to facilitate connection of the shape memory alloy wire 104. Furthermore, the shape memory alloy wire 104 can be electrically connected to the circuit layer 103 through the first fixing base 105.

Referring to fig. 2, in an embodiment, the telescopic assembly 100 further includes an elastic member 107, the elastic member 107 is elastically telescopic along the first direction, a first end of the elastic member 107 along the first direction is fixedly connected to the first fixing base 105, and a second end of the elastic member 107 along the first direction is fixedly connected to the second fixing base 106.

Specifically, the elastic member 107 may be, for example, a spring that can be stretched or compressed in the first direction. The elastic element 107 can protect the shape memory alloy wire 104 from failure or breakage when the force is too large, and can ensure that the lens barrel 102 can drive the lens group 201 to move along the first direction without deflection.

Referring to fig. 1, in one embodiment, the fixing bracket 101 includes a first bracket body 1011 and a second bracket body 1012; first light trap set up on first support body 1011, second support body 1012 is the annular, second support body 1012 encircles the setting and is in the edge of first support body 1011, second support body 1012 is followed first direction extends, first support body 1011 with second support body 1012 is perpendicular.

Referring to fig. 1, the cross section of the fixing bracket 101 is formed in two inverted L shapes symmetrically arranged. The first frame body 1011 is disposed horizontally, a first light hole for light entering of the lens assembly 201 is formed on the first frame body 1011, and the second frame body 1012 extends along a vertical direction, that is, the first direction is disposed at an edge of the first frame body 1011. The whole fixing bracket 101 is a box-shaped structure with an opening at one end and a first light hole at the other end. Specifically, optionally, the first frame body 1011 and the second frame body 1012 are integrally formed.

Referring to fig. 1, in an embodiment, further, the lens barrel 102 is sleeved inside the second frame body 1012.

Specifically, optionally, the lens barrel 102 is a square structure with a second light hole formed in the middle, and the lens barrel 102 is sleeved in an annular frame formed by the second frame body 1012, so that when the lens barrel 102 drives the lens group 201 to move relative to the fixing frame 101 along the first direction, the periphery of the lens barrel 102 is constrained and limited by the second frame body 1012 of the fixing frame 101, and therefore the lens barrel 102 only moves along the first direction without deflection.

Referring to fig. 5, in one embodiment, four telescoping assemblies 100 are provided, and four telescoping assemblies 100 are symmetrically distributed.

In this embodiment, four telescopic assemblies 100 uniformly arranged can provide uniform and reliable driving force for the movement of the lens barrel 102, and ensure the smoothness of the movement of the lens barrel 102.

Referring to fig. 3 to 5, the camera assembly provided in the embodiment of the present application further includes a camera module 202 and a decoration ring 3, where the decoration ring 3, the focusing mechanism 1, and the camera module 202 are disposed along the first direction.

Specifically, the camera module 2 includes a second lens formed by a second lens set, a driving motor, and a photosensitive assembly. In a specific focusing process, after the lens group 201 moves to a predetermined position, the driving motor drives the second lens to move, and finally the purpose of zooming and focusing is achieved. The camera assembly of the embodiment of the application independently sets up the focusing mechanism 1 outside being independent of the camera module 202, and can enable the zooming range to be greatly improved.

Referring to fig. 3 to 5, specifically, the bezel 3 includes a glass cover 301 and a metal frame 302, and the glass cover 301 and the metal frame 302 are bonded together by a bonding adhesive 303. The glass cover 301 is an optical glass sheet, and is used for light entering of the lens group 201 and the camera module 202; the metal frame 302 is used to support the focus adjustment mechanism 1. The focusing mechanism 1 and the metal frame 302 are bonded by thermosetting adhesive 5. Further, the focusing mechanism 1 includes a circuit layer 103, the circuit layer 103 is disposed on a side surface of the fixing bracket 101 away from the lens group 201, the circuit layer 103 is electrically connected to the flexible circuit board 6, and the flexible circuit board 6 is connected to and electrically conducted with a metal spring 701 disposed on the circuit board 7 through an interface 601, so that the circuit board 7 and the shape memory alloy wire 104 form an electrical connection. In addition, the camera module 202 is also connected with the battery and the processor through the motherboard and the connector 8.

Referring to fig. 3, in an embodiment, the camera head assembly further includes a cushion pad 4, and the cushion pad 4 is disposed between the focusing mechanism 1 and the camera head module 202.

The cushion pad 4 is arranged to buffer the force between the focusing mechanism 1 and the camera module 202. Specifically, the cushion pad 4 is made of a silicone material. It can be understood that the cushion pad 4 is provided with a through hole for transmitting light.

A complete zoom embodiment of the present application is: open APP and open the camera, the required magnification that zooms of manual regulation, hardware drive focusing mechanism 1, actuating system sends the instruction for focusing mechanism 1, shape memory alloy is acted as go-between 104 and is received the heat change and produce deformation (pyrocondensation cold expanding principle), thereby drive lens group 201 and remove, actuating system is given with the shift position of feedback lens group 201 to the Hall sensor record, after lens group 201 removed the position of reservation, actuating system begins sending instruction and drives the second camera lens for the drive motor in camera module 202 and remove and realize the focusing, finally reach and zoom and the purpose of focusing.

An embodiment of the present application further provides an electronic device, which includes the camera assembly as described above. The electronic equipment provided by the embodiment of the application can be a mobile phone, a notebook computer, a tablet computer, vehicle-mounted electronic equipment, an unmanned aerial vehicle and the like.

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

1. A camera head assembly, characterized in that the camera head assembly comprises a focusing mechanism (1) and a lens group (201), the focusing mechanism (1) comprising:

the fixing support (101), the fixing support (101) is provided with a first light hole;

the lens barrel (102), the lens barrel (102) is provided with a second light hole, the lens barrel (102) is movably connected with the fixed bracket (101), and the first light hole and the second light hole are correspondingly arranged; the lens group (201) is fixedly connected to the second light-transmitting hole of the lens barrel (102), and the lens group (201) receives external light along a first direction;

the telescopic component (100), a first part of the telescopic component (100) is fixedly arranged on the fixed support (101), a second part of the telescopic component (100) is fixedly arranged on the lens barrel (102), and the telescopic component (100) stretches to drive the lens barrel (102) to drive the lens group (201) to move along the first direction relative to the fixed support (101).

2. Camera assembly according to claim 1, characterized in that the telescopic assembly (100) comprises a shape memory alloy pull wire (104), a first end of the shape memory alloy pull wire (104) in the first direction being fixed to the fixed bracket (101), a second end of the shape memory alloy pull wire (104) in the first direction being fixed to the barrel (102).

3. Camera assembly according to claim 2, characterized in that the telescopic assembly (100) further comprises a wiring layer (103), the shape memory alloy wires (104) being electrically connected to the wiring layer (103).

4. The camera assembly according to claim 2, wherein the telescopic assembly (100) further comprises a first fixing seat (105) and a second fixing seat (106), the first fixing seat (105) is fixed on the fixing bracket (101), and the second fixing seat (106) is fixed on the lens barrel (102); the first end of the shape memory alloy pull wire (104) along the first direction is fixedly connected to the first fixing seat (105), and the second end of the shape memory alloy pull wire (104) along the first direction is fixedly connected to the second fixing seat (106).

5. The camera assembly of claim 4, wherein the telescopic assembly (100) further comprises an elastic member (107), the elastic member (107) is elastically telescopic along the first direction, a first end of the elastic member (107) along the first direction is fixedly connected to the first fixing base (105), and a second end of the elastic member (107) along the first direction is fixedly connected to the second fixing base (106).

6. Camera assembly according to claim 1, characterized in that the fixing bracket (101) comprises a first bracket (1011) and a second bracket (1012); first light trap is seted up on first support body (1011), second support body (1012) are the annular, second support body (1012) encircle the setting and are in the edge of first support body (1011), second support body (1012) are followed first direction extends, first support body (1011) with second support body (1012) are perpendicular.

7. Camera assembly according to claim 6, characterized in that the lens barrel (102) is sleeved inside the second frame (1012).

8. Camera head assembly according to claim 1, characterized in that four telescopic assemblies (100) are provided, four telescopic assemblies (100) being symmetrically distributed.

9. The camera assembly according to claim 1, further comprising a camera module (202) and a cosmetic ring (3), the focus mechanism (1), and the camera module (202) being disposed along the first direction.

10. The camera assembly of claim 9, further comprising a cushion pad (4), the cushion pad (4) being disposed between the focus mechanism (1) and the camera module (202).

11. An electronic device, characterized in that the electronic device comprises a camera assembly according to any of claims 1-10.