CN115348382B

CN115348382B - Camera module and electronic equipment

Info

Publication number: CN115348382B
Application number: CN202211004212.8A
Authority: CN
Inventors: 许能华
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2022-08-22
Filing date: 2022-08-22
Publication date: 2024-09-06
Anticipated expiration: 2042-08-22
Also published as: CN115348382A

Abstract

The application discloses a camera module and electronic equipment, the camera module includes: the bracket comprises a mounting cavity, and the mounting cavity is provided with an opening; the lens component is arranged in the mounting cavity and is movably connected with the bracket; the elastic component is connected with the lens component and used for driving the lens component to extend out of the mounting cavity from the opening; the driving piece comprises a first ion polymer metal composite material piece, and the first ion polymer metal composite material piece is connected with the lens assembly and the support and used for driving the lens assembly to retract into the mounting cavity from the opening. According to the application, the first ionic polymer metal composite material piece is used as a power source, so that the energy consumption is low, magnetic interference is avoided, and the stacking of the whole electronic equipment and the placement of peripheral parts are facilitated.

Description

Camera module and electronic equipment

Technical Field

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

Background

At present, as the application of cameras on terminal equipment is more and more widespread, the requirements on imaging quality of the cameras in photographing and video recording are more and more high. Generally, higher quality photographing is realized by matching with a camera with an outsole and high pixels or a high-definition telescopic camera, but the improved camera faces more and more pressure in terms of thickness, so that the high quality photographing requirement and the thickness are in conflict.

In the related art, the thickness problem of the whole machine is solved through the telescopic driving mechanism, but the telescopic driving mechanism drives the movable part to stretch up and down through the stepping motor, so that the problems of large overall power consumption, increased heat dissipation capacity of the whole machine and large magnetic interference exist in the telescopic driving mechanism.

Disclosure of Invention

The application aims to provide a camera module and electronic equipment, which at least solve one of the problems that the whole power consumption of a telescopic driving mechanism is large, the heat dissipation capacity of the whole camera module is increased, and the problem of large magnetic interference exists.

In order to solve the technical problems, the application is realized as follows:

in a first aspect, an embodiment of the present application provides an image capturing module, including: the bracket comprises a mounting cavity, and the mounting cavity is provided with an opening; the lens assembly is arranged in the mounting cavity and is movably connected with the bracket;

The elastic component is connected with the lens component and used for driving the lens component to extend out of the mounting cavity from the opening; the driving piece comprises a first ion polymer metal composite material piece, and the first ion polymer metal composite material piece is connected with the lens assembly and the support and used for driving the lens assembly to retract into the mounting cavity from the opening.

In a second aspect, an embodiment of the present application provides an electronic device, including: the camera module of any one of the first aspects.

In an embodiment of the application, the camera module comprises a bracket, a lens assembly, an elastic assembly and a driving piece. The lens component is movably connected with the support, so that the lens component can stretch and retract relative to the support under the action of the elastic component and the driving piece, and the thickness of the camera module is reduced while the photographing and shooting effects are improved. The elastic component is connected with the lens component and is used for driving the lens component to extend out of the mounting cavity from the opening, the driving piece comprises a first ionic polymer metal composite material piece, the first ionic polymer metal composite material piece is connected with the lens component and the support and is used for driving the lens component to retract into the mounting cavity from the opening, namely, the lens component is telescopic relative to the support through the matching of the elastic component and the driving piece, wherein the first ionic polymer metal composite material piece is used as a power source, the energy consumption is low, magnetic interference does not exist, and the stacking of the whole electronic equipment and the placement of peripheral parts are facilitated.

Additional aspects and advantages of the application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application.

Drawings

The foregoing and/or additional aspects and advantages of the application will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic diagram of an image capturing module according to an embodiment of the present application;

FIG. 2 is a second schematic diagram of an image capturing module according to an embodiment of the present application;

FIG. 3 is a third schematic diagram of an image capturing module according to an embodiment of the present application;

FIG. 4 is a schematic diagram of a camera module according to an embodiment of the present application;

FIG. 5 is a schematic view of an elastic assembly according to an embodiment of the present application;

FIG. 6 is one of the schematic views of a second sleeve according to an embodiment of the present application;

FIG. 7 is a second schematic illustration of a second sleeve according to an embodiment of the present application;

FIG. 8 is a schematic view of a first sleeve according to an embodiment of the application;

FIG. 9 is one of the schematic views of a base according to an embodiment of the present application;

FIG. 10 is a second schematic view of a base according to an embodiment of the application;

FIG. 11 is a schematic view of a lens barrel according to an embodiment of the application;

FIG. 12 is a fifth schematic diagram of an imaging module according to an embodiment of the present application;

FIG. 13 is a schematic view of a first conductive element according to an embodiment of the present application;

FIG. 14 is a schematic illustration of a first ionic polymer metal composite according to an embodiment of the present application;

FIG. 15 is a schematic view of a second conductive element according to an embodiment of the present application;

FIG. 16 is a schematic view of a driver according to an embodiment of the application;

FIG. 17 is one of the schematic views of a second ionic polymer metal composite according to an embodiment of the present application;

FIG. 18 is a second schematic illustration of a second ionic polymer metal composite according to an embodiment of the present application;

FIG. 19 is one of the schematic views of the self-locking portion according to the embodiment of the present application;

FIG. 20 is a second schematic view of a self-locking portion according to an embodiment of the present application;

FIG. 21 is a schematic view of a fourth conductive element according to an embodiment of the present application;

FIG. 22 is one of the schematic diagrams of the third conductive element according to an embodiment of the present application;

FIG. 23 is a second schematic view of a third conductive member according to an embodiment of the present application;

FIG. 24 is a schematic view of a reset element according to an embodiment of the present application;

FIG. 25 is one of the schematic views of a self-locking assembly according to an embodiment of the present application;

FIG. 26 is a second schematic diagram of a self-locking assembly according to an embodiment of the present application;

FIG. 27 is one of the schematic diagrams of the frame according to an embodiment of the application;

FIG. 28 is a second schematic view of a frame according to an embodiment of the application;

FIG. 29 is a schematic diagram of a camera module according to an embodiment of the present application;

FIG. 30 is a schematic diagram of a camera module according to an embodiment of the application;

FIG. 31 is a schematic view of an imaging module according to an embodiment of the present application;

FIG. 32 is a diagram of a camera module according to an embodiment of the present application;

FIG. 33 is a schematic diagram of an imaging module according to an embodiment of the present application;

FIG. 34 is a schematic diagram of an imaging module according to an embodiment of the application;

Fig. 35 is a schematic diagram of deformation of a first ionic polymer metal composite, a second ionic polymer metal composite, according to an embodiment of the present application.

Reference numerals:

The device comprises a bracket, a 10 mounting cavity, a 12 opening, a 13 mounting hole, a 14 self-locking boss, a 15 clamping groove, a 16 frame, a 17 housing, a 2 lens assembly, a 21 base, a 210 second sinking groove, a 211 surface, a 212 bottom surface, a 22 first sleeve, a 220 first limiting part, a 221 limiting hole, a 222 first connecting surface, a 23 second sleeve, a 230 second limiting part, a 231 first limiting post, a 232 first limiting plate, a 233 second post, a 234 second post, a 235 sub-plate, a 236 connecting part, a 2360 second connecting surface, a 237 top plate, a 238 first sinking groove, a 239 through hole, a 3 lens, a 30 convex surface, a 4 elastic component, a 40 first barrel part, a 41 second barrel part, a 42 spring, a 43 metal base, a 44 metal boss, a 5 driving part, a 50 first ionic polymer metal composite part, a 500 pasting area, a 502 conducting area, a 51 first conducting part, a 510 third connecting surface, a 52 second conducting part, a 6 circuit board, a 60 connector, a 61 connecting area, a 7 light transmitting sheet, an 8 mechanism, an 80 part, a 80 connecting part, a 802 self-locking post, a 80 self-locking plate, a 801 conducting surface, a 80, a 801 conducting part, a 80 second conducting part, a 801 self-locking surface, a 803 first conducting part, a 80 conducting part, a 803, a 80 conducting part, a 80, a connecting part, a 80 conducting part, and a.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements throughout or elements having like or similar functionality. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

The features of the application "first", "second" and the like in the description and in the claims may be used for the explicit or implicit inclusion of one or more such features.

In the description of the present application, it should be understood that the terms "thickness," "upper," "lower," "front," "rear," "top," "bottom," "inner," "outer," "axial," "circumferential," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the application and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the application.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.

An image capturing module and an electronic apparatus according to an embodiment of the present application are described below with reference to fig. 1 to 35.

As shown in fig. 1 and 2, an image capturing module according to some embodiments of the present application includes: a bracket 1, the bracket 1 comprising a mounting cavity 10, the mounting cavity 10 having an opening 12; the lens component 2 is arranged in the mounting cavity 10, and the lens component 2 is movably connected with the bracket 1; an elastic component 4 connected with the lens component 2 and used for driving the lens component 2 to extend out of the mounting cavity 10 from the opening 12; the driving member 5, the driving member 5 comprises a first ion polymer metal composite material member 50, and the first ion polymer metal composite material member 50 is connected with the lens assembly 2 and the bracket 1, and is used for driving the lens assembly 2 to retract into the mounting cavity 10 from the opening 12.

The camera module comprises a bracket 1, a lens component 2, an elastic component 4 and a driving piece 5. The lens component 2 is movably connected with the bracket 1, so that the lens component can stretch and retract relative to the bracket 1 under the action of the elastic component 4 and the driving piece 5, and the thickness of the camera module is reduced while the photographing and shooting effects are improved. The elastic component 4 is connected with the lens component 2 and is used for driving the lens component 2 to extend out of the mounting cavity 10 from the opening 12, the driving piece 5 comprises a first ion polymer metal composite piece 50, the first ion polymer metal composite piece 50 is connected with the lens component 2 and the support 1 and is used for driving the lens component 2 to retract into the mounting cavity 10 from the opening 12, namely, the lens component 2 is telescopic relative to the support 1 through the matching of the elastic component 4 and the driving piece 5, wherein the first ion polymer metal composite piece 50 is used as a power source, the energy consumption is low, magnetic interference does not exist, and the stacking of the whole electronic equipment and the placement of peripheral parts are facilitated.

Fig. 1 is a schematic view showing a state in which the lens assembly 2 is retracted into the mounting cavity 10, and fig. 2 is a schematic view showing a state in which the lens assembly 2 is extended out of the mounting cavity 10.

As shown in fig. 35, the first ionic polymer metal composite material 50 is made of IPMC (ion-exchange polymer metal composite) ionic polymer metal composite material, and when a voltage is applied in the thickness direction of the IPMC, the IPMC is greatly deformed and bent toward the anode. In contrast, when IPMC is subjected to bending deformation, IPMC also generates voltage in the thickness direction (inverse phenomenon). The IPMC can be controlled to bend by controlling the energizing voltage or current, and the IPMC and the lens assembly 2 are combined together, so that the lens assembly 2 can move up and down, thereby realizing the telescopic function.

As shown in fig. 3, 29, 30, 31, 32, 33 and 34, according to some embodiments of the present application, the camera module further includes: the circuit board 6 is arranged at the bottom of the bracket 1, and the first ion polymer metal composite material piece 50 is electrically connected with the circuit board 6.

In this embodiment, the camera module further includes a circuit board 6, and the first ionic polymer metal composite member 50 is connected to the circuit board 6 and the lens assembly 2, so that the circuit board 6 can control the first ionic polymer metal composite member 50 to be powered on or powered off, and further control the deformation of the first ionic polymer metal composite member 50, so as to realize driving of the lens assembly 2. Wherein, circuit board 6 sets up in the bottom of support 1, and lens subassembly 2 sets up in installation cavity 10, and after first ion polymer metal composite spare 50 circular telegram, first ion polymer metal composite spare 50 takes place deformation, pulls lens subassembly 2 to the bottom of support 1 for lens subassembly 2 retract to installation cavity 10 in, realizes the shrink of lens subassembly 2, has reduced the thickness of making a video recording the module.

As shown in fig. 3, 13, 14, 15 and 16, according to some embodiments of the present application, the driving member 5 further includes: the first conductive piece 51 and the second conductive piece 52 are connected with the circuit board 6, the first ionic polymer metal composite piece 50 is provided with a pasting area 500 and a conductive area 502, the pasting area 500 and the conductive area 502 are respectively close to two ends of the first ionic polymer metal composite piece 50 along the extending and retracting direction of the lens assembly 2, the first conductive piece 51 and the second conductive piece 52 are arranged in the conductive area 502, and the first ionic polymer metal composite piece 50 is located between the first conductive piece 51 and the second conductive piece 52.

In this embodiment, the driving member 5 further includes a first conductive member 51 and a second conductive member 52, where the first conductive member 51 and the second conductive member 52 are connected to the circuit board 6, the first ionic polymer metal composite member 50 is provided with a pasting area 500 and a conductive area 502, and the pasting area 500 and the conductive area 502 are respectively disposed near two ends of the first ionic polymer metal composite member 50 along the extending direction of the lens assembly 2, and the first conductive member 51 and the second conductive member 52 are fixedly connected to the conductive area 502 and are connected to the circuit board 6 through conductive adhesive, so as to fix and communicate the first ionic polymer metal composite member 50 and the circuit board 6.

It should be noted that, as shown in fig. 1 and fig. 2, the extension and retraction direction of the lens assembly 2, that is, the movement direction of the lens assembly 2 during the process of extending out of the mounting cavity 10, and the movement direction of the lens assembly 2 during the process of retracting into the mounting cavity 10, in a specific application, the adhesion area 500 and the conductive area 502 are respectively disposed near the upper and lower ends of the first ionic polymer metal composite 50 along the extension and retraction direction of the lens assembly 2.

In a specific application, the first conductive member 51 is disposed on the upper side of the conductive area 502, and the first conductive member 51 is provided with a third connection surface 510, and the third connection surface 510 protrudes from the first ionic polymer metal composite member 50 and is connected to the circuit board 6, and the second conductive member 52 is disposed on the lower side of the conductive area 502, so that the second conductive member 52 is directly adhered to the circuit board 6.

Wherein the conductive area 502 is connected to the first conductive member 51 and the second conductive member 52 through conductive adhesive. The paste area 500 is connected to the lens assembly 2.

As shown in fig. 30, 31, 32, and 33, according to some embodiments of the present application, the lens assembly 2 includes: a base 21 provided on the circuit board 6; the first sleeve 22 is connected with the base 21 and surrounds the cavity, the second sleeve 23 is arranged in the first sleeve 22 and movably connected with the first sleeve 22, the lens 3 is arranged in the second sleeve 23, the first sleeve 22 is provided with a first limiting part 220, the outer wall surface of the second sleeve 23 is provided with a second limiting part 230, the first limiting part 220 is movably connected with the second limiting part 230 so that the second limiting part 230 can move along the extending and contracting direction of the lens assembly 2, and the first ion polymer metal composite part 50 is connected with the second limiting part 230.

In this embodiment, the lens assembly 2 includes a base 21, a first sleeve 22, a second sleeve 23 and a lens 3, where the second sleeve 23 is sleeved in the first sleeve 22 and movably connected with the first sleeve 22 to implement expansion and contraction of the second sleeve 23, a first limiting portion 220 is disposed on the first sleeve 22, a second limiting portion 230 is disposed on an outer side wall of the second sleeve 23, and the first limiting portion 220 is movably connected with the second limiting portion 230, so that the second limiting portion 230 can move along the expansion and contraction direction of the lens assembly 2, that is, the first limiting portion 220 and the second limiting portion 230 are connected to limit and guide the movement direction of the second sleeve 23, so that the lens assembly 2 can move along a predetermined direction within a certain range, and reliability of expansion and contraction of the second sleeve 23 is ensured. The first ionic polymer metal composite material piece 50 is connected with the second limiting part 230, so that when the first ionic polymer metal composite material piece 50 deforms, the second limiting part 230 is driven to move, the second sleeve 23 is pulled down, and the lens 3 is contracted.

Wherein the lens 3 is arranged in the second sleeve 23.

In a specific application, the circuit board 6 is disposed at the bottom of the base 21 along the telescopic direction of the lens assembly 2.

According to some embodiments of the present application, as shown in fig. 6, 7 and 8, the second stopper 230 includes: the first limit post 231, the first limit plate 232, the second limit post 233 and the second limit plate 234 are sequentially arranged at intervals along the circumferential direction of the second sleeve 23; the first limiting portion 220 includes a plurality of limiting holes 221, and the first limiting post 231, the second limiting post 233, the first limiting plate 232, and the second limiting plate 234 are disposed in one-to-one correspondence with the plurality of limiting holes 221 and are inserted into the corresponding limiting holes 221.

In this embodiment, the second limiting portion 230 includes a first limiting post 231, a first limiting plate 232, a second limiting post 233 and a second limiting plate 234 that are sequentially disposed at intervals along the circumferential direction of the second sleeve 23, the first limiting portion 220 includes a plurality of limiting holes 221, the first limiting post 231, the first limiting plate 232, the second limiting post 233 and the second limiting plate 234 are disposed in one-to-one correspondence with the plurality of limiting holes 221, and then the first limiting post 231, the first limiting plate 232, the second limiting post 233 and the second limiting plate 234 are respectively inserted into the corresponding limiting holes 221, so as to realize limiting of the first sleeve 22 and the second sleeve 23. By the arrangement of the first limit post 231, the first limit plate 232, the second limit post 233 and the second limit plate 234, the reliability of the movement of the first sleeve 22 is ensured.

In a specific application, the diameters of the first limit post 231 and the second limit post 233 along the first direction of the second sleeve 23 are distributed on two sides of the second sleeve 23, and the diameters of the first limit plate 232 and the second limit plate 234 along the second direction of the second sleeve 23 are distributed on two sides of the second sleeve 23, so that the stability of the connection between the second sleeve 23 and the first sleeve 22 is improved.

As shown in fig. 6, according to some embodiments of the present application, the first limiting plate 232 and the second limiting plate 234 respectively include two sub-plates 235, and a connection member 236 is provided between the two sub-plates 235; the number of the first ion polymer metal composite members 50 is at least two, and at least two first ion polymer metal composite members 50 are respectively connected with the connection member 236 of the first limiting plate 232 and the connection member 236 of the second limiting plate 234.

In this embodiment, the first limiting plate 232 includes two sub-plates 235 and a connecting member 236 disposed between the two sub-plates 235, the second limiting plate 234 includes two sub-plates 235 and connecting members 236 disposed between the two sub-plates 235, the number of the first ionic polymer metal composite parts 50 is at least two, and at least two first ionic polymer metal composite parts 50 are respectively connected with the connecting members 236 of the first limiting plate 232 and the connecting members 236 of the second limiting plate 234, so that when the first ionic polymer metal composite parts 50 are deformed, the second sleeve 23 can be driven to shrink into the installation cavity 10 from opposite sides of the second sleeve 23, thereby improving the stability of the movement of the second sleeve 23.

In a specific application, the number of first ionic polymer metal composite pieces 50 is two, and the two first ionic polymer metal composite pieces 50 are symmetrically arranged with respect to the axis of the second sleeve 23.

Further, each sub-board 235 is inserted into one of the limiting holes 221.

As shown in fig. 6 and 7, according to some embodiments of the present application, a top plate 237 is provided at an end of the second sleeve 23 remote from the base 21 in a telescopic direction, a first sinking groove 238 is provided at an outer wall surface of the top plate 237, a through hole 239 is provided at a bottom wall of the first sinking groove 238, and the lens 3 is connected to an inner wall surface of the top plate 237 and is disposed corresponding to the through hole 239; the first sinking groove 238 is internally provided with a light-transmitting sheet 7, and the light-transmitting sheet 7 covers the through hole 239.

In this embodiment, along the extending and retracting direction of the lens assembly 2, a top plate 237 is provided at one end of the second sleeve 23 away from the base 21, a first sinking groove 238 is provided at the outer side of the top plate 237, and a through hole 239 is provided at the bottom wall of the first sinking groove 238, so that the light transmitting sheet 7 is disposed in the first sinking groove 238 and covers the through hole 239, and the lens 3 is disposed in the mounting cavity 10 and connected with the inner wall surface of the top plate 237 to ensure that light can pass through the light transmitting sheet 7 into the lens 3.

In particular applications, the side of the second sleeve 23 opposite the top plate 237 is open to avoid interfering with the movement of components within the mounting cavity 10.

In a specific application, the lens 3 is glued to the top plate 237 of the second sleeve 23.

As shown in fig. 4 and 5, according to some embodiments of the application, the elastic assembly 4 comprises: the first tube 40, the second tube 41 and the spring 42, at least a part of one of the first tube 40 and the second tube 41 is sleeved outside the other, the first tube 40 and the second tube 41 are movably arranged along the expansion and contraction direction, the spring 42 is sleeved outside the first tube 40 and the second tube 41, the first tube 40 is connected with the top plate 237 of the first sleeve 22, and the second tube 41 is connected with the base 21. Wherein the spring 42 is in a compressed state with the lens assembly 2 retracted within the mounting cavity 10.

In this embodiment, the elastic assembly 4 includes a first tube portion 40, a second tube portion 41 and a spring 42, where the first tube portion 40 and the second tube portion 41 are nested, so that at least a portion of one of the first tube portion 40 and the second tube portion 41 is sleeved outside the other, and thus the first tube portion 40 and the second tube portion 41 can relatively move along the expansion and contraction direction of the lens assembly 2, and further the elastic assembly 4 expands and contracts along the expansion and contraction direction, the first tube portion 40 is disposed in the first sleeve 22 and connected with the top plate 237 of the first sleeve 22, and the second tube portion 41 is connected with the base 21, so that driving of the driving portion is achieved through movement of the first tube portion 40 and the second tube portion 41. Wherein, in the case that the lens assembly 2 is retracted in the mounting cavity 10, the spring 42 is in a compressed state, so that when the lens 3 is required to be used, the spring 42 is restored to be deformed, the first barrel portion 40 and the second barrel portion 41 are driven to be extended, and the lens assembly 2 and the lens 3 on the lens assembly 2 are driven to extend out of the mounting cavity 10.

As shown in fig. 4, according to some embodiments of the present application, the number of the elastic members 4 is at least one, at least one second sinking groove 210 is provided on a side of the base 21 facing the first sleeve 22, and the second barrel 41 is provided in the second sinking groove 210.

In this embodiment, the number of the elastic components 4 is at least one, the base 21 is provided with the second sinking groove 210, and the second barrel 41 is installed in the second sinking groove 210, so that the stability of connection between the elastic components 4 and the base 21 is ensured, and the reliability of driving the lens component 2 is further improved.

In a specific application, the number of elastic assemblies 4 is three, and the three elastic assemblies 4 are uniformly distributed along the rotation axis of the second sleeve 23.

As shown in fig. 17, 18, 19, 20, 21, 22, 23, 24, 25, and 26, according to some embodiments of the present application, the image capturing module further includes: the self-locking mechanism 8, the self-locking mechanism 8 comprises a self-locking part 80 and a second ion polymer metal composite material part 81, the self-locking part 80 is movably connected with the bracket 1, the second ion polymer metal composite material part 81 is connected with the self-locking part 80 and the circuit board 6 and is used for driving the self-locking part 80 to move so as to lock or unlock the lens assembly 2, wherein the self-locking mechanism 8 is locked with the lens assembly 2 under the condition that the lens assembly 2 is retracted into the mounting cavity 10, and the spring 42 is in a compressed state.

In this embodiment, the camera module further includes a self-locking mechanism 8, where the self-locking mechanism 8 includes a self-locking portion 80 and a second ionic polymer metal composite member 81, the self-locking portion 80 is movably connected with the bracket 1, and the second ionic polymer metal composite member 81 is connected with the self-locking portion 80 and the circuit board 6, so that the second ionic polymer metal composite member 81 can deform under the control of the circuit board 6, and further drives the self-locking portion 80 to move relative to the bracket 1, so as to lock or unlock the lens assembly 2. When the lens 3 is required to be used for photographing or video recording, the deformation of the second ion polymer metal composite material piece 81 is controlled, and the second ion polymer metal composite material piece 81 drives the self-locking part 80 to move, so that the self-locking part 80 and the lens assembly 2 are unlocked, and then extend out of the mounting cavity 10 under the drive of the spring 42; when the lens 3 is required to retract into the mounting cavity 10, the deformation of the first ion polymer metal composite material piece 50 is controlled, the lens assembly 2 is pulled back into the mounting cavity 10, and then the second ion polymer metal composite material piece 81 is controlled to drive the self-locking part 80 to move, so that the self-locking part 80 is locked with the lens assembly 2.

In a specific application, the elastic component 4 comprises an elastic member, the self-locking mechanism 8 is locked with the lens component 2 under the condition that the lens component 2 is retracted in the mounting cavity 10, the elastic member is in a compressed state, and when the lens 3 needs to be used, the self-locking mechanism 8 is unlocked with the lens component 2, and the lens component 2 is driven to extend out of the first sleeve 22 through the elastic member. Specifically, the elastic member is a spring 42. In this way, the whole lens assembly 2 maintains the retracted state and drives the extended state through the pre-stressed spring 42 and the self-locking mechanism 8, no additional power consumption is needed to keep the lens assembly 2 at the pop-up point or the descent point, only the power is consumed in the processes of descending the lens assembly 2 and unlocking the self-locking mechanism 8, no long-time power is needed, the whole power consumption is very low, and the heat dissipation of the whole machine is reduced.

As shown in fig. 35, the second ionic polymer metal composite member 81 is made of an IPMC (ion-exchange polymer metal composite) ionic polymer metal composite material, and when a voltage is applied in the thickness direction of the IPMC, the IPMC is greatly deformed and bent toward the anode. In contrast, when IPMC is subjected to bending deformation, IPMC also generates voltage in the thickness direction (inverse phenomenon). The IPMC is controlled to bend by controlling the energizing voltage or current, and the IPMC is combined with the lens assembly 2, so that the rotation of the self-locking portion 80 can be realized, thereby realizing the locking and unlocking functions.

As shown in fig. 19 and 20, according to some embodiments of the present application, the self-locking part 80 includes: the connecting column 800 is movably connected with the bracket 1; a reset element 801 connected to the connection column 800 and the bracket 1; the self-locking piece 802 is arranged at the end part of the connecting column 800, the second ion polymer metal composite material piece 81 is attached to the side surface of the self-locking piece 802 and used for driving the self-locking piece 802 to rotate around the axial direction of the connecting column 800, the self-locking piece 802 is provided with a self-locking groove 803, and the self-locking groove 803 is correspondingly arranged with the second limiting part 230 and used for locking the second limiting part 230.

In this embodiment, the self-locking portion 80 includes a connecting post 800, a reset element 801 and a self-locking piece 802, where the connecting post 800 is movably connected with the bracket 1, the reset element 801 is disposed on the connecting post 800 and connected with the bracket 1, the self-locking piece 802 is disposed at an end of the connecting post 800, the second ionic polymer metal composite part 81 is attached to a side wall of the self-locking piece 802, and further drives the self-locking piece 802 to rotate around an axial direction of the connecting post 800, and a self-locking groove 803 is disposed on the self-locking piece 802, and under the condition that the lens assembly 2 is retracted into the mounting cavity 10, the second limiting portion 230 is matched with the self-locking groove 803, so that the self-locking portion 80 locks the second limiting portion 230 to play a role in protecting the second sleeve 23.

Further, the reset element 801 is fixed on the connecting column 800, so when the self-locking piece 802 rotates, the connecting column 800 rotates along with the reset element 801 deforms along with the movement of the connecting column 800, and pre-compression force is generated, so that the self-locking piece 802 can be reset under the action of the pre-compression force.

Specifically, when the lens 3 is required to be used, the second ionic polymer metal composite part 81 drives the self-locking piece 802 to rotate, so that the second limiting part 230 is separated from the self-locking groove 803, and then extends out of the mounting cavity 10 under the action of the spring 42; when the lens 3 needs to be retracted into the mounting cavity 10, the first ionic polymer metal composite part 50 pulls the lens assembly 2 down to the mounting cavity 10, and the second ionic polymer metal composite part 81 drives the self-locking piece 802 to rotate, so that the second limiting part 230 is matched with the self-locking groove 803, and locking of the lens assembly 2 is achieved.

According to some embodiments of the present application, the number of the self-locking parts 80 is at least two, and the self-locking grooves 803 of the at least two self-locking parts 80 are disposed opposite to the first and second limit posts 231 and 233 of the second limit part 230, for locking the first and second limit posts 231 and 233.

In this embodiment, the number of the self-locking portions 80 is at least two, and the self-locking grooves 803 of the at least two self-locking portions 80 are opposite to the first and second spacing posts 231 and 233 of the second spacing portion 230, so as to cooperate with the first and second spacing posts 231 and 233 to lock the lens assembly 2.

In a specific application, the number of the self-locking portions 80 is two, and the two self-locking portions 80 are arranged in one-to-one correspondence with the first limit posts 231 and the second limit posts 233, so that the locking reliability is improved.

As shown in fig. 27 and 28, according to some embodiments of the present application, the bracket 1 is provided with a mounting hole 13 and a self-locking boss 14, the self-locking boss 14 is provided with a clamping groove 15, the reset element 801 is clamped in the clamping groove 15, and the connecting column 800 is arranged in the mounting hole 13.

In this embodiment, the bracket 1 is provided with a mounting hole 13 and a self-locking boss 14, the self-locking boss 14 is provided with a clamping groove 15, the connecting column 800 is arranged in the mounting hole 13 in a penetrating manner, and the reset piece 801 is clamped in the clamping groove 15, so that the connection between the self-locking part 80 and the bracket 1 is realized.

As shown in fig. 21 to 23, 25 and 26, according to some embodiments of the present application, the self-locking portion 80 further includes: the bottom of the second ion polymer metal composite material 81 is provided with a fixing area 810, and the third conductive piece 804 and the fourth conductive piece 805 are clamped at two sides of the fixing area 810 and are electrically connected with the circuit board 6

In this embodiment, the self-locking portion 80 further includes a third conductive member 804 and a fourth conductive member 805, a fixing area 810 is disposed at the bottom of the second ionic polymer metal composite member 81, and the third conductive member 804 and the fourth conductive member 805 are clamped at two sides of the fixing area 810, so that the second ionic polymer metal composite member 81 is connected with the circuit board 6, and then the second ionic polymer metal composite member 81 is electrified, so that the second ionic polymer metal composite member 81 deforms, and then the self-locking piece 802 moves.

In a specific application, the third conductive member 804 is provided with a conductive region, and the conductive region is fixed to the fourth conductive member 805 by conductive adhesive, and is fixed to and conductive to the circuit board 6 by conductive adhesive.

Further, a fifth connection surface 8021 is provided on the top of the self-locking piece 802, and the top of the second ionic polymer metal composite part 81 is adhered to the fifth connection surface 8021.

As shown in fig. 29, 31 and 32, according to some embodiments of the present application, the camera module further includes: the photosensitive chip 9 is arranged on the circuit board 6 and corresponds to the lens 3.

In this embodiment, the camera module further includes a photosensitive chip 9, and the photosensitive chip 9 is disposed on the circuit board 6 and corresponds to the lens 3, so that an optical signal can be converted into an electrical signal, and shooting of the camera module is achieved.

In a specific application, the base 21 is provided with a via hole, the photosensitive chip 9 is exposed from the via hole, and the lens 3 is correspondingly arranged with the photosensitive chip 9, so that the lens 3 can refract external light onto the photosensitive chip 9.

As shown in fig. 34, a connector 60 is provided on the circuit board 6 according to some embodiments of the present application.

In this embodiment, the circuit board 6 is provided with a connector 60, which enables connection of the camera module with other components.

As shown in fig. 3, according to some embodiments of the present application, the bracket 1 includes: a frame 16 and a housing 17, the housing 17 being provided at one end of the frame 16 and enclosing the mounting cavity 10 with the frame 16, the housing 17 being provided with the opening 12.

In this embodiment, the stand 1 includes a frame 16 and a housing 17, and the stand 1 is disposed at one end of the frame 16 and surrounds the mounting cavity 10 with the frame 16, so as to protect and support the lens assembly 2, the lens 3, the elastic assembly 4, and the driving member 5.

According to some embodiments of the application, an imaging module comprises: the lens comprises a shell 17, a frame 16, a light-transmitting sheet 7, a first sleeve 22, a second sleeve 23, a lens 3, an elastic component 4, a base 21, a driving piece 5, a self-locking mechanism 8 and a printed circuit board (Printed Circuit Board, PCB) 6.

The housing 17 is a bearing surface for carrying external components, and is generally made of metal or plastic material as a bearing surface for external contact.

The frame 16 carries the fixed self-locking mechanism 8 and at the same time increases the resistance of the housing 17 to the external stresses.

External light can pass through the light-transmitting sheet 7, and the light is transmitted to the photosensitive chip 9 through the lens 3 to form a clear image.

The second sleeve 23 is a metal piece and is adhered and fixed with the lens 3 in a glue mode, and when the camera module works, the second sleeve 23 drives the lens 3 to pop up; when the second sleeve 23 is ejected, the first sleeve 22 guides the second sleeve 23 to move vertically.

The lens 3 is used as an optical component and consists of a plurality of lenses and lens fixing objects, and is mainly responsible for focusing light rays and refracting the external light rays onto the photosensitive chip 9 to form a clear image.

The number of the elastic components 4 is 3, and each elastic component 4 comprises a first cylinder part 40, a second cylinder part 41 and a spring 42; the elastic assembly 4 provides an elastic force to the second sleeve 23 by means of a spring 42.

The base 21 carries the elastic assembly 4 and forms a closed space with the first sleeve 22 and the second sleeve 23.

The photosensitive chip 9, the photosensitive chip 9 is a semiconductor material, mainly converts the optical signal into the product of the electrical signal.

The driving member 5 provides the second sleeve 23 with a descending force, specifically, the number of driving members 5 is two.

When the camera module does not work, the self-locking mechanism 8 self-locks the second sleeve 23 of the camera module through the self-locking function, thereby playing a role in protection.

The PCB board is connected with the camera module and external electric signals.

Specifically, fig. 6 is a schematic diagram of a second sleeve 23, where the second sleeve 23 includes a first limit post 231 and a second limit post 233, and includes 4 sub-boards 235; fig. 8 is a schematic view of the first sleeve 22, where the first sleeve 22 includes 6 limiting blocks. The second sleeve 23 and the first sleeve 22 are mutually buckled with the corresponding limiting holes 221 through the first limiting post 231, the second limiting post 233 and the four sub-plates 235, so that the first sleeve 22 and the second sleeve 23 are mutually buckled and combined together, and when the second sleeve 23 moves up and down, the first sleeve 22 can limit and guide the second sleeve 23 to move within a certain range.

FIG. 4 is a schematic view of the structure of the elastic members 4, the number of elastic members 4 being three, any one of the elastic members 4 including a metal base 43; FIG. 9 is a schematic view of a base 21, the base 21 comprising a second recess 210, the metal base 43 being fixed to the second recess 210 by glue or other fixing means, such that the elastic member 4 is assembled with the base 21; the metal boss 44 included in the elastic assembly 4 is fixed to the top plate 237 as shown in fig. 7 by glue, so that the elastic assembly 4 is connected with the second sleeve 23; fig. 11 is a schematic structural diagram of the lens 3, where the boss surface 30 included in the lens 3 is fixed to the top wall by glue, so that the lens 3 is fixed inside the second sleeve 23; the light-transmitting sheet 7 is fixed on the first sinking groove 238 in fig. 6 in a glue manner, so that the light-transmitting sheet 7 is fixed with the second sleeve 23; the first connecting surface 222 included in the first sleeve 22 in fig. 8 is fixed to the fixing surface 211 in fig. 10 by welding or glue, so as to fix the first sleeve 22 to the base 21; as described above, as shown in fig. 12 and 31, the light-transmitting sheet 7, the second sleeve 23, the first sleeve 22, the lens 3, and the elastic member 4 are fixed to the upper surface of the chassis 21, thereby forming a closed space, which is also a retractable member of the image pickup module.

As shown in fig. 29, the photosensitive chip 9 is fixed to the circuit board 6, and the bottom surface 212 of the base 21 in fig. 10 is fixed to the connection region 61 of the circuit board 6 in fig. 29 by glue or the like, so that the base 21 and the circuit board 6 are fixed.

As shown in fig. 3, 6, 13, 14, 15 and 16, as shown in fig. 3, the number of driving members 5 is two, any one driving member 5 includes a first ionic polymer metal composite member 50 (IPMC driving piece), a first conductive member 51 and a second conductive member 52, and a conductive region 502 included in the first ionic polymer metal composite member 50 in fig. 14 is bonded and fixed with the first conductive member 51 and the second conductive member 52 by a conductive adhesive, so that the first ionic polymer metal composite member 50, the first conductive member 51 and the second conductive member 52 are fixedly connected together.

The adhesive area 500 included in the first ionic polymer metal composite part 50 in fig. 14 is fixed to the second connecting surface 2360 on the connecting member 236 included in the lens assembly 2 in fig. 6 by a glue or other connection manner, so as to connect the first ionic polymer metal composite part 50 with the second sleeve 23; the third connection surface 510 of the first conductive member 51 in fig. 13 is fixed to the connection region 61 of the circuit board 6 in fig. 29 by conductive adhesive, and the second conductive member 52 in fig. 15 is fixed to the third connection surface 510 of the circuit board 6 by conductive adhesive; in the above manner, the driving member 5 is connected and fixed with the second sleeve 23 and the circuit board 6, respectively.

As shown in fig. 17, 18, 19, 20, 21, 22, 23, 24, 25 and 26, the number of the self-locking mechanisms 8 is two; the fourth conductive member 805 of fig. 21 and the third conductive member 804 of fig. 22 are fixed to the fixing area 810 of fig. 18 by using a conductive adhesive method and a vertical tightening method; the fourth connecting surface 811 in fig. 18 is fixedly connected with the fifth connecting surface 8021 in fig. 19 by means of fixing glue or the like, and the reset element 801 in fig. 24 is fixedly connected with the connecting post 800 by means of glue or the like, so that the second ion polymer metal composite material element 81, the self-locking piece 802, the fourth conductive element 805, the third conductive element 804 and the reset element 801 are fixed together to form the self-locking mechanism 8.

The communication area 8041 included in the third conductive member 804 in fig. 22 is fixed to the fourth conductive member 805 by conductive adhesive, and is fixed to and connected to the circuit board 6 by conductive adhesive; thereby realizing the fixation and conduction of the self-locking mechanism 8 and the circuit board 6. The frame 16 comprises a mounting hole 13 and a self-locking boss 14, the self-locking boss 14 comprises a clamping groove 15, the connecting column 800 is inserted into the mounting hole 13, the reset piece 801 is inserted into the clamping groove 15, and the self-locking piece 802 is adhered and fixed with the reset piece 801 through the self elasticity of the reset piece 801, so that the self-locking piece 802 is clamped on the frame 16; the self-locking groove 803 that self-locking piece 802 contained, second sleeve 23 contained first spacing post 231 and second spacing post 233, when second sleeve 23 was located the bottom and does not work, the self-locking groove 803 of two self-locking mechanism 8 respectively with first spacing post 231, the cooperation of second spacing post 233, form self-locking mechanism 8 for self-locking mechanism 8 locks second sleeve 23, plays the effect such as protection, when second sleeve 23 needs work to pop out, self-locking groove 803 and first spacing post 231, the separation of second spacing post 233, make second sleeve 23 can normally pop out.

The camera module comprises a connector 60, and is connected with the outside through the connector 60.

According to some embodiments of the present application, there is also provided an electronic device including: an imaging module as claimed in any one of the preceding claims.

The electronic equipment provided by the embodiment of the application has all the beneficial effects of the camera module because the electronic equipment comprises the camera module provided by any one of the technical schemes.

The electronic device may be a smart phone, tablet, electronic reader, wearable device, etc., not to mention.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the application, the scope of which is defined by the claims and their equivalents.

Claims

1. A camera module, comprising:

A bracket including a mounting cavity having an opening;

The lens assembly is arranged in the mounting cavity and is movably connected with the bracket;

The elastic component comprises a spring, and is connected with the lens component and used for driving the lens component to extend out of the mounting cavity from the opening;

The driving piece comprises a first ion polymer metal composite material piece, and the first ion polymer metal composite material piece is connected with the lens assembly and the bracket and used for driving the lens assembly to retract into the mounting cavity from the opening;

The self-locking mechanism comprises a self-locking part and a second ionic polymer metal composite material piece, the self-locking part is movably connected with the support, the second ionic polymer metal composite material piece is connected with the self-locking part and a circuit board in the camera shooting module and used for driving the self-locking part to move so as to lock or unlock the lens assembly, wherein the self-locking mechanism is locked with the lens assembly under the condition that the lens assembly is retracted into the mounting cavity, and a spring in the elastic assembly is in a compressed state.

2. The camera module of claim 1, wherein the camera module comprises a camera module,

The circuit board is arranged at the bottom of the bracket, and the first ionic polymer metal composite material piece is electrically connected with the circuit board.

3. The camera module of claim 2, wherein the lens assembly comprises:

the base is arranged on the circuit board;

The first sleeve is connected with the base and surrounds the cavity;

The second sleeve is arranged in the first sleeve and is movably connected with the first sleeve;

the lens is arranged on the second sleeve barrel,

The first sleeve is provided with a first limiting part, the outer wall surface of the second sleeve is provided with a second limiting part, the first limiting part is movably connected with the second limiting part so that the second limiting part can move along the telescopic direction of the lens assembly, and the first ionic polymer metal composite part is connected with the second limiting part.

4. The camera module according to claim 3, wherein the second limiting portion includes:

The first limiting column, the first limiting plate, the second limiting column and the second limiting plate are sequentially arranged at intervals along the circumferential direction of the second sleeve;

The first limiting part comprises a plurality of limiting holes, and the first limiting columns, the second limiting columns, the first limiting plates and the second limiting plates are arranged in one-to-one correspondence with the limiting holes and are inserted into the corresponding limiting holes.

5. The camera module of claim 4, wherein the camera module comprises a camera module,

The first limiting plate and the second limiting plate respectively comprise two sub-plates, and a connecting piece is arranged between the two sub-plates;

The number of the first ionic polymer metal composite material pieces is at least two, and the at least two first ionic polymer metal composite material pieces are respectively connected with the connecting piece of the first limiting plate and the connecting piece of the second limiting plate.

6. The camera module of claim 3, wherein the camera module comprises a camera module,

Along the expansion and contraction direction, a top plate is arranged at one end, far away from the base, of the second sleeve, a first sinking groove is arranged on the outer wall surface of the top plate, a through hole is formed in the bottom wall of the first sinking groove, and the lens is connected with the inner wall surface of the top plate and is correspondingly arranged with the through hole;

A light-transmitting sheet is arranged in the first sinking groove, and the through hole is covered by the light-transmitting sheet.

7. The camera module of claim 3, wherein the resilient assembly further comprises:

The spring is sleeved on the outer sides of the first cylinder part and the second cylinder part, at least one part of the first cylinder part and the second cylinder part is sleeved on the outer side of the other one, the first cylinder part and the second cylinder part are movably arranged along the expansion direction, the spring is sleeved on the outer sides of the first cylinder part and the second cylinder part, the first cylinder part is connected with a top plate of the first sleeve, and the second cylinder part is connected with the base.

8. The camera module of claim 7, wherein the camera module comprises a camera module,

The number of the elastic components is at least one, at least one second sinking groove is formed in one side, facing the first sleeve, of the base, and the second barrel part is arranged in the second sinking groove.

9. The camera module of claim 7, wherein the self-locking portion comprises:

the connecting column is movably connected with the bracket;

The resetting piece is connected with the connecting column and the bracket;

The self-locking piece is arranged at the end part of the connecting column, the second ionic polymer metal composite material piece is attached to the side surface of the self-locking piece and used for driving the self-locking piece to rotate around the axial direction of the connecting column, a self-locking groove is formed in the self-locking piece and corresponds to the second limiting part and used for locking the second limiting part.

10. The camera module of claim 9, wherein the camera module comprises a camera module,

The support is provided with a mounting hole and a self-locking boss, the self-locking boss is provided with a clamping groove, the resetting piece is clamped in the clamping groove, and the connecting column is arranged in the mounting hole.

11. An electronic device, comprising:

the camera module of any one of claims 1 to 10.