CN212231551U

CN212231551U - Camera module and digital device

Info

Publication number: CN212231551U
Application number: CN201922392654.4U
Authority: CN
Inventors: 杨伟成; 顾自明
Original assignee: Geke Microelectronics Shanghai Co Ltd
Current assignee: Geke Microelectronics Shanghai Co Ltd; Galaxycore Shanghai Ltd Corp
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-12-25
Anticipated expiration: 2029-12-27

Abstract

The utility model relates to a camera module and digital device, the camera module includes: a mobile unit comprising a coil assembly; a fixing unit including: base, conducting strip and metal ball, the base includes: the supporting component comprises a first clamping position and a second clamping position, the conducting strip is installed on the first clamping position, the metal ball is installed in the second clamping position, one side of the metal ball is in contact with the conducting strip, and the other opposite side of the metal ball is in contact with the coil component; when the mobile unit moves, the coil assembly is electrically connected with the focusing control chip of the camera module through the metal ball and the conducting strip. The utility model discloses the camera module can last and stable provide the electric current for the coil, and can not bring the hindrance to the motion of mobile unit.

Description

Camera module and digital device

Technical Field

The utility model relates to a camera module technical field especially relates to a camera module and digital device.

Background

At present, most mobile equipment such as mobile phones and tablet computers carry camera modules, the conversion between optical signals and electric signals is realized through the camera modules, and image information is recorded and stored, so that the photographing and photographing functions are realized. Compared with the conventional Camera system, a Cell phone Camera Module (CCM) is widely used in various new-generation portable Camera devices due to its advantages of miniaturization, low power consumption, low cost, high image quality, and the like.

At present, the structure of the camera module includes a lens unit, a Voice Coil Motor (VCM), an infrared cut-off filter, an image sensor, a Flexible Printed Circuit Board (FPC) or a Printed Circuit Board (PCB), and a connector connected to a main Board of the mobile phone. The voice coil motor is used for achieving the automatic focusing function of the lens unit, the voice coil motor usually comprises a magnet, a coil and other structures, in the working process of the camera module, current is firstly supplied to the coil, the coil cuts a magnetic induction line in a magnetic field to generate electromagnetic force, and the coil or the magnet moves under the action of the electromagnetic force, so that the lens unit connected with the voice coil motor is driven to move, the image distance and the object distance of the camera module are adjusted, and clear images are presented. Usually, a Hall Sensor (Hall-effect Sensor) may be further disposed in the voice coil motor, and the Hall Sensor is utilized to measure the change of the magnetic field in the voice coil motor, and the position of the coil or the magnet is determined according to the change of the magnetic field, thereby implementing the closed-loop control of the voice coil motor. Most often, the autofocus function in a cell phone camera is accomplished entirely by the entire driver.

With the rapid development of the smart phone industry, the requirements of people on the imaging effect of a mobile phone camera are gradually improved. The focal length zooming range is an important factor influencing the imaging effect of the mobile phone camera. This requires the voice coil motor to be capable of large stroke driving, and large stroke movement requires the camera to be stable in the stroke range, which puts high requirements on the stability of the operation of the voice coil motor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can keep the camera module of the big stroke of camera steady removal.

In order to solve the technical problem, the utility model provides a camera module, camera module includes:

a mobile unit comprising a coil assembly;

a fixing unit including: base, conducting strip and metal ball, the base includes: the supporting component is evenly distributed all around, the supporting component comprises a first clamping position and a second clamping position, the conducting strip is installed on the first clamping position, the metal ball is installed in the second clamping position, one side of the metal ball is in contact with the conducting strip, the opposite side is in contact with the coil component, the coil component is suitable for the mobile unit to move, and the coil component is connected with the focusing control chip of the camera module through the metal ball and the conducting strip.

Preferably, the moving unit includes a bearing member, which is located in the iron case assembly, is adapted to bear a lens unit of the camera module, and moves up and down in an optical axis direction inside the iron case assembly.

Preferably, the coil assembly comprises a coil body and a carrier-embedded conductive block; the coil body is a wire winding coil and comprises a positive electrode end and a negative electrode end; the carrier embedded conductive block comprises a positive carrier embedded conductive block and a negative carrier embedded conductive block; and one end of the anode of the coil body is welded on the anode carrier embedded conductive block, and one end of the cathode of the coil body is welded and connected with the cathode carrier embedded conductive block.

Preferably, the carrier-embedded conductive block has two planes, each plane being parallel to the optical axis direction and being tangent to the metal ball.

Preferably, a welding portion of one end of the positive electrode of the coil body and the positive electrode carrier embedded conductive block is on the bearing member, and a welding portion of one end of the negative electrode of the coil body and the negative electrode carrier embedded conductive block is on the bearing member.

Preferably, the coil body is electrically connected with the focusing control chip of the camera module through the carrier embedded conductive block, the metal ball and the conductive sheet.

Preferably, the coil body is arranged on the outer ring of the support component, and the positive electrode carrier embedded conductive block and the negative electrode carrier embedded conductive block are embedded in the inner wall of the bearing component and are in contact with the metal ball.

Preferably, the support assembly comprises:

the columnar structure is positioned on the base and is parallel to the direction of the optical axis;

the first clamping position is positioned outside the columnar structure and is suitable for accommodating a partial area of the conducting strip, so that the plane where the first clamping position is positioned is parallel to the direction of the optical axis;

the second clamping position is a through hole which is perpendicular to the plane of the conducting strip and is suitable for accommodating the metal ball and enabling the metal ball to contact the conducting strip and the coil assembly.

Preferably, the base further comprises: and the conductive wire buried layer is embedded into the base, one end of the conductive wire buried layer is connected with the conductive sheet, and the other end of the conductive wire buried layer is connected with a focusing control chip of the camera module through a PCB circuit.

Preferably, the conductive wire buried layer comprises a positive electrode buried layer and a negative electrode buried layer, the positive electrode buried layer and the positive electrode carrier embedded conductive block are electrically communicated with the same conductive sheet, and the negative electrode buried layer and the negative electrode carrier embedded conductive block are electrically communicated with the same conductive sheet.

Preferably, the conducting strip comprises a first connecting portion and a second connecting portion, the conducting wire buried layer is connected with the first connecting portion in a welding mode, and the second connecting portion is inserted into the first clamping portion and is in contact with the metal ball.

Preferably, the conductive sheet is: the first conducting strip or the second conducting strip comprises a sub elastic component, and the sub elastic component is suitable for contacting with the metal ball to generate elastic deformation so as to apply extrusion force to the metal ball.

Preferably, the conductive sheet corresponding to the positive electrode carrier embedded conductive block or the negative electrode carrier embedded conductive block at least includes one second conductive sheet, and the second conductive sheets corresponding to the positive electrode carrier embedded conductive block and the negative electrode carrier embedded conductive block are located on the same side of the base.

Preferably, the supporting component further includes a third clamping position, the fixing unit further includes an iron shell component, and the iron shell component includes:

the outer wall and the buckle part are connected with the outer wall;

the outer wall is disposed corresponding to a periphery of the base and adapted to receive the mobile unit therein;

the buckle part is suitable for corresponding to the support component and is arranged on the third clamping position, so that the support strength of the support component can be enhanced.

Preferably, the camera module further comprises a mirror ring, and the mirror ring is fixedly arranged on the top end of the iron shell component.

Preferably, the fixing unit further includes:

a dust-proof film and a support film structure;

the supporting film structure is positioned between the iron shell component and the mirror ring and is fixedly connected with the iron shell component;

the dustproof film is connected with the upper part of the lens and the film supporting structure so as to isolate the inside and the outside of the camera module.

Preferably, the ring comprises a bearing portion and an elastic member, the elastic member is disposed in the bearing, and the elastic member has an elastic force perpendicular to the optical axis direction with respect to the moving member, so as to be adapted to keep the moving direction of the lens in accordance with the optical axis direction during the movement of the lens.

Preferably, the elastic component comprises an elastic split ring, the bearing part comprises an inner ring wall, an outer ring wall and an annular convex strip positioned between the inner ring wall and the outer ring wall, a glue dispensing groove is arranged on the annular convex strip, the elastic split ring is arranged between the outer ring wall and the annular convex strip, and the glue dispensing groove is suitable for containing glue to glue the ring body of the elastic split ring and keep the elastic movement of the open end of the elastic split ring.

Preferably, the annular convex strip is further provided with a rolling groove suitable for placing a ball, and the rolling groove comprises: the glue dispensing groove is positioned between the first rolling groove and the second rolling groove or between the two second rolling grooves, and the glue dispensing groove is suitable for setting glue to stick the elastic split ring.

Preferably, the first rolling groove and the second conducting strip are arranged in a vertical direction correspondingly.

Preferably, the metal balls are steel balls.

Preferably, the surface of the metal ball is plated with gold or silver.

Preferably, the surface of the metal ball is further coated with conductive grease mixed with carbon powder or silver powder.

Preferably, the conductive sheet corresponds to at least one metal ball.

Preferably, the ball is a steel ball or a ceramic ball.

Additionally, the technical scheme of the utility model in still provide a digital device, include:

a main body of the body;

the camera module is arranged in the main body, and when the camera module is focused, a lens unit of the camera module extends out of the surface of the main body by 800 microns.

Compared with the prior art, the utility model discloses well camera module has following beneficial effect:

the embodiment of the utility model provides an in the camera module that provides provide electrically conductive path, through the structure and the position setting of carrier embedding conducting block, metal ball, conducting strip, conductor wire buried layer, can guarantee carrier assembly is when along the optical axis direction, can last and stable provide the electric current for the coil, and can not be right carrier assembly's motion brings the hindrance.

Furthermore, the carrier is embedded into the conductive block, the metal ball and the conductive sheet, so that the carrier, the metal ball and the conductive sheet can be kept in contact in a long movement stroke, and the bearing assembly can obtain continuous and stable current in a long enough movement stroke.

Through the arrangement of the bullet-shaped part of the second conducting strip and the elastic part of the mirror ring, when the bottom of the mobile unit is stressed towards one side, the bullet-shaped part of the second conducting strip and the elastic part of the mirror ring return to the original positions by resilience force, so that the movement direction of the lens unit is consistent with the direction of the optical axis.

Drawings

Fig. 1 to fig. 10 are schematic structural views of the camera module provided in the embodiment of the present invention.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be implemented in many different ways than those herein described and one skilled in the art can do so without departing from the spirit and scope of the present invention, which is not limited to the specific implementations disclosed below.

Secondly, the present invention is described in detail by using schematic diagrams, and when the embodiments of the present invention are described in detail, for convenience of illustration, the schematic diagrams are only examples, and the present invention should not be limited herein.

In order to make the above objects, features and advantages of the present invention more obvious and understandable, the structure of the camera module of the present invention is described in detail below with reference to the accompanying drawings.

In this embodiment, referring to fig. 1, the camera module includes a base 100, a mobile unit 200 supported by the base 100, an iron case assembly 300 covering and protecting the mobile unit 200, a lens unit 600 supported by the mobile unit 200 and extending and retracting in the iron case assembly 300, and a lens ring 500 sleeved on the top end of the lens unit. Preferably, the present embodiment provides that the camera module comprises a dustproof film assembly 400 and a film supporting ring 401 at the top end of the lens unit. In this embodiment, the mobile unit 200 further includes: lens protective sheath and cover glass.

Specifically, referring to fig. 2 to 8 in conjunction with fig. 1, the camera module includes:

a mobile unit including a coil assembly 210; a fixing unit including: base 100, conducting strip 130 and metal ball 10, base 100 includes: supporting component 101 of evenly distributed all around, supporting component 101 includes first screens 11 and second screens 12, conducting strip 130 install in on the first screens 11, metal ball 10 install in the second screens 12, one side of metal ball 10 with conducting strip 130 is tangent to be contacted, the opposite side with coil pack 210 contacts, in order to be suitable for when the mobile unit removes, coil pack passes through metal ball 10, conducting strip 130 with the focus control chip (not shown) electricity of camera module is connected. With the structure, the camera module can realize a moving coil mode, and when the camera performs telescopic motion during shooting or photography, the coil can be continuously supplied with power through the metal ball 10 and the conducting strip 130, and the power supply line does not obstruct the movement of the camera.

With continued reference to fig. 1, in the present embodiment, the moving unit 200 includes a bearing member, which is located in the iron case assembly, is adapted to accommodate the lens unit 600 of the camera module, and moves up and down in the optical axis direction inside the iron case assembly 300.

Specifically, in this embodiment, referring to fig. 3, the supporting assembly 101 includes: and the columnar structure is positioned on the base 100 and is parallel to the optical axis direction. In this embodiment, the base 100 is a square-like structure, and the supporting members 101 are vertical columnar structures located at four corners of the base. The first clamping positions 11 are located at the outer sides of the columnar structures, and the first clamping position 11 of each columnar structure is two oppositely arranged clamping grooves which are just suitable for accommodating the first connecting part 31 of the conducting strip 130, so that the plane where the first clamping position 11 is located is parallel to the direction of the optical axis; the second clip 12 is a through hole located in the columnar structure and opposite to the plane of the first connection portion 31 of the conductive plate 130, and is adapted to receive the metal ball 10, to enable the metal ball 10 to roll therein, and to continuously contact the conductive plate 130, so as to continuously form a conductive path with the coil assembly 210 through the conductive plate 130.

In addition, the base 100 further includes a circuit board 102, on which a driving chip, a hall sensor, a PCB circuit, and the like are disposed.

Specifically, in this embodiment, as shown in fig. 4, the coil assembly 210 includes a coil body 212 and a carrier-embedded conductive block 211, where the coil body 212 is a wire-wound coil and includes a positive end (not identified) and a negative end (not identified). The carrier-embedded conductive bumps 211 are embedded in the carrier member, and the carrier-embedded conductive bumps 211 include positive carrier-embedded conductive bumps 2111 and negative carrier-embedded conductive bumps 2112. One end of the positive electrode of the coil body 212 is welded to the positive electrode carrier embedded conductive block 2111, and one end of the negative electrode of the coil body 212 is welded to the negative electrode carrier embedded conductive block 2112.

The welding point of the positive end of the coil body 212 and the positive carrier embedded conductive block 2111 is on the carrier, and the welding point of the negative end of the coil body 212 and the negative carrier embedded conductive block 2112 is on the carrier.

The coil body 212 is disposed at the outer ring of the supporting component 101, and the carrier-embedded conductive block 211 is embedded in the inner wall of the bearing component and contacts with the metal ball. The carrier-embedded conductive bumps 211 (the positive carrier-embedded conductive bumps 2111 and the negative carrier-embedded conductive bumps 2112) have two planes, each plane being parallel to the optical axis direction and tangent to the metal balls.

The base 100 further includes: and the conductive wire buried layer 108 is embedded in the base 100, connected with the conductive sheet 130, and connected with the focusing control chip of the camera module through the PCB circuit on the circuit board 102.

The conductive line buried layer 108 includes an anode buried layer 1081 and a cathode buried layer 1082, the anode buried layer 1081 and the anode carrier embedded conductive block 2111 are electrically communicated with the same conductive sheet 130, and the cathode buried layer 1082 and the cathode carrier embedded conductive block 2112 are electrically communicated with the same conductive sheet 130.

Referring to fig. 5 in conjunction with fig. 1 to 4, the conductive sheet 130 includes a first connection portion 31 and a second connection portion 32, the conductive wire buried layer 108 is connected to the first connection portion 31 by welding, and the second connection portion 32 is inserted into the first stopper 11 and contacts the metal ball 10 in the second stopper 12. In this embodiment, the first connection portion 31 and the second connection portion 32 are connected to form a right angle, the first connection portion 31 is provided with a positioning hole 30, the positioning hole is positioned opposite to the base boss, and the conductive buried layer 108 is exposed between the positioning hole 30 and the second connection portion. In other embodiments, the first connecting portion 31 and the second connecting portion 32 may have other folding angles or both may be connected with a smooth surface.

Specifically, referring to fig. 6 in combination with fig. 1 to 3, in this embodiment, the supporting assembly 101 further includes a third detent 13, the fixing unit further includes an iron case assembly 300, and the iron case assembly 300 includes:

an outer wall 302 and a snap member 301 connected to the outer wall;

the outer wall 302 is disposed corresponding to the circumference of the base 100 and is adapted to receive the mobile unit 200 therein;

the buckle part 301 is adapted to correspond to the supporting component 101 and is mounted at the third clamping position 13, so that the supporting strength of the supporting component can be enhanced.

In summary, as shown in fig. 2 to fig. 6, the positive and negative electrodes of the coil body 212 respectively form a conductive path with the positive and negative electrodes of the focus control chip of the camera module through the carrier embedded conductive block 211, the metal ball 10, the conductive sheet 130, the conductive wire buried layer 108, and the carrier embedded conductive block.

Based on the above arrangement, the conductive path provided in the camera module provided in this embodiment can ensure that the current can be continuously and stably supplied to the coil when the carrier assembly is along the optical axis direction, without hindering the movement of the carrier assembly, by the structure and position arrangement of the carrier embedded conductive block 211, the metal ball 10, the conductive sheet 130, and the conductive wire buried layer 108.

Further, through the arrangement of the carrier embedded conductive block 211, the metal ball 10 and the conductive sheet 130, the carrier assembly is ensured to obtain continuous and stable current in a sufficiently long movement stroke.

Further, preferably, the carrier embedded conductive block 211, the conductive sheet 130 and the conductive line buried layer 108 are made of conductive metal. In this embodiment, it may be copper.

Further, in the present embodiment, preferably, the metal balls 10 are steel balls. Because the hardness and the conductivity of the steel are appropriate, and the rolling friction coefficient of the steel ball is small, the resistance of the moving part can be reduced.

Further, in the present embodiment, preferably, the surface of the metal ball 10 is plated with gold or silver. Preferably, in this embodiment, the surface of the metal ball 10 is further coated with a conductive grease mixed with carbon powder or silver powder.

Further, preferably, in this embodiment, at least one, preferably 1 to 4, metal balls correspond to the conductive sheet. Thus, the power supply stability of the moving coil mode can be ensured in a longer stroke range.

In addition, further, in this embodiment, the conductive sheet 130 is: a first conductive sheet 131 or a second conductive sheet 132, wherein the second conductive sheet 132 comprises a bullet-shaped member 34, and the bullet-shaped member 34 is adapted to be elastically deformed by the pressing of the metal ball 10, so as to apply a pressing force to the metal ball 10.

The positive electrode carrier embedded conductive block 2111 or the negative electrode carrier embedded conductive block 2112 is electrically connected to at least the same second conductive sheet 132, and the positive electrode carrier embedded conductive block 2111 and the second conductive sheet 132 corresponding to the negative electrode carrier embedded conductive block 2112 are located on the same side of the base 100.

Thus, when the bottom of the mobile unit 200 is forced to one side, the bullet-shaped part 34 of the second conductive sheet 132 generates a clamping force due to the squeezing deformation of the metal ball 10, so that the mobile unit 200 is ensured not to be separated from the ball during the movement, and the conduction is ensured to be reliable. And the return force of the sub resilient member 34 keeps the moving direction of the lens unit 600 in agreement with the optical axis direction.

Further, the second conductive sheets 132 corresponding to the positive electrode carrier embedded conductive block 2111 and the negative electrode carrier embedded conductive block 2112 are located on the same side of the base 100, and a resultant force generated by the two second conductive sheets 132 on the same side to the moving unit 200 is perpendicular to the optical axis direction and is parallel to a resultant force generated by the elastic component 502 to the moving unit 200, so as to keep the moving unit 200 stable in the moving process.

With continuing reference to fig. 1 and with reference to fig. 7-10, preferably, the fixing unit further comprises: a dust-proof film and a support film structure; the supporting film structure is positioned between the iron shell component and the mirror ring and is fixedly connected with the iron shell component; the dustproof film is connected with the upper part of the lens and the film supporting structure so as to isolate the inside and the outside of the camera module.

The camera module further comprises a mirror ring 500, and the mirror ring 500 is arranged on the outer ring of the top end of the lens unit 600.

The ring 500 includes a bearing 501 and an elastic member 502, the elastic member 502 is disposed in the bearing 501, and when the lens unit 600 is forced to one side, the elastic member 502 returns to its original position by resilience force, so as to keep the movement direction of the lens unit 600 consistent with the optical axis direction.

The elastic component comprises an elastic split ring 502 with an opening of A, the bearing part comprises an inner ring wall 532, an outer ring wall 531 and an annular convex strip 533 between the inner ring wall 532 and the outer ring wall 531, a glue dispensing groove 55 is arranged on the annular convex strip 533, the elastic split ring 502 is arranged between the outer ring wall 531 and the annular convex strip 533, and the glue dispensing groove 55 is suitable for containing glue to stick the body of the elastic split ring and keep the elastic movement of the open end of the elastic split ring 502.

The annular protruding strip 533 is further provided with a rolling groove 56 adapted to place the ball 19, and the rolling groove 56 includes: a first rolling groove 561 close to two ends of the opening A of the elastic opening supporting ring and a second spherical groove 562 near the non-opening area of the elastic opening ring, wherein the glue dispensing groove 57 is located between the first rolling groove 561 and the second rolling groove 562 or between the two second rolling grooves 562, and the glue dispensing groove is suitable for setting glue to stick the elastic opening ring 502.

The first rolling slot 561 and the second conductive plate 132 are disposed in a vertical direction. That is, the direction of the elastic force provided by the conductive sheet 130 or the elastic member 502 is the same on the base 100 and the mirror ring 500.

The metal ball 10 is a steel ball. The friction between the steel ball and the moving part is rolling friction, the friction coefficient is small, and the moving part can move more smoothly.

The surface of the metal ball 10 is plated with gold or silver. This can increase the conductivity of the metal ball. The number of the metal balls corresponding to the conductive sheet 130 is 1-3. Preferably, in this embodiment, the number of the metal balls corresponding to the conductive sheet 130 is 1.

Preferably, the balls 19 are steel balls or ceramic balls.

In this embodiment, there is also provided a digital device, including:

a main body of the body; the camera module is arranged in the main body, and when the camera module is focused, a lens unit of the camera module extends out of the surface of the main body by 800 microns.

Although the present invention has been disclosed in the preferred embodiments, it is not intended to limit the present invention, and any person skilled in the art can use the above-mentioned method and technical contents to make possible changes and modifications to the technical solution of the present invention without departing from the spirit and scope of the present invention, therefore, any simple modification, equivalent changes and modifications made to the above embodiments by the technical substance of the present invention all belong to the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a camera module which characterized in that, camera module includes:

a mobile unit comprising a coil assembly;

a fixing unit including: base, conducting strip and metal ball, the base includes: the supporting component comprises a first clamping position and a second clamping position, the conducting strip is installed on the first clamping position, the metal ball is installed in the second clamping position, one side of the metal ball is tangent to the conducting strip, and the other opposite side of the metal ball is in contact with the coil component; when the mobile unit moves, the coil assembly is electrically connected with the focusing control chip through the metal ball and the conducting strip.

2. The camera module according to claim 1, wherein the moving unit comprises a bearing member, which is located in an iron case assembly, is adapted to receive a lens unit of the camera module, and moves up and down in an optical axis direction inside the iron case assembly.

3. The camera module of claim 2, wherein the coil assembly comprises a coil body and a carrier-embedded conductive block; the coil body is a wire winding coil and comprises a positive electrode end and a negative electrode end; the carrier embedded conductive block comprises a positive carrier embedded conductive block and a negative carrier embedded conductive block; and one end of the anode of the coil body is welded on the anode carrier embedded conductive block, and one end of the cathode of the coil body is welded and connected with the cathode carrier embedded conductive block.

4. The camera module of claim 3, wherein said carrier-embedded conductive bumps have two planar surfaces, each planar surface being parallel to the optical axis and tangential to said metal balls.

5. The camera module according to claim 3, wherein a welding portion of a positive end of the coil body and the positive carrier embedded conductive block is on the carrier, and a welding portion of a negative end of the coil body and the negative carrier embedded conductive block is on the carrier.

6. The camera module according to claim 3, wherein the coil body is electrically connected to the focus control chip through the carrier embedded conductive block, the metal ball, and the conductive sheet.

7. The camera module according to claim 3, wherein the coil body is disposed on the outer ring of the support member, the positive carrier embedded conductive block and the negative carrier embedded conductive block are embedded inside the carrier member, and the conductive sheet is exposed opposite to the base support member to contact the metal balls.

8. The camera module of claim 1, wherein the support assembly comprises:

9. The camera module of claim 3, wherein the base further comprises: and the conductive wire buried layer is embedded into the base, one end of the conductive wire buried layer is connected with the conductive sheet, and the other end of the conductive wire buried layer is connected with a focusing control chip of the camera module through a PCB circuit.

10. The camera module of claim 9, wherein the conductive line buried layer comprises a positive buried layer and a negative buried layer, the positive buried layer and the positive carrier-embedded conductive block are in electrical communication with the same conductive sheet, and the negative buried layer and the negative carrier-embedded conductive block are in electrical communication with the same conductive sheet.

11. The camera module of claim 9, wherein the conductive sheet comprises a first connection portion and a second connection portion, the conductive wire buried layer is connected with the first connection portion by welding, and the second connection portion is inserted into the first clip and contacts with the metal ball.

12. The camera module of claim 3, wherein the conductive strips are: the first conducting strip or the second conducting strip comprises a sub elastic component, and the sub elastic component is suitable for contacting with the metal ball to generate elastic deformation so as to apply extrusion force to the metal ball.

13. The camera module according to claim 12, wherein the conductive sheet corresponding to the positive electrode carrier embedded conductive block or the negative electrode carrier embedded conductive block comprises at least one of the second conductive sheets, and the second conductive sheets corresponding to the positive electrode carrier embedded conductive block and the negative electrode carrier embedded conductive block are located on the same side of the base.

14. The camera module of claim 1 or 8, wherein the support assembly further comprises a third detent, the fixing unit further comprises an iron case assembly, the iron case assembly comprises:

the outer wall and the buckle part are connected with the outer wall;

said outer wall being disposed in correspondence with a periphery of said base and adapted to receive said mobile unit therein;

15. The camera module of claim 12, further comprising a mirror ring fixedly disposed on a top end of the iron shell assembly.

16. The camera module of claim 15, wherein the fixing unit further comprises:

a dust-proof film and a support film structure;

the dustproof film is connected with the upper part of the lens unit of the camera module and the film supporting structure so as to isolate the inside and the outside of the camera module.

17. The camera module according to claim 15, wherein the ring comprises a bearing portion and an elastic member, the elastic member is disposed in the bearing, and the elastic member has an elastic force perpendicular to the optical axis direction for keeping the lens unit of the camera module moving in the same direction as the optical axis direction.

18. The camera module of claim 17, wherein the resilient member comprises a resilient split ring, the bearing portion comprises an inner ring wall, an outer ring wall, and an annular rib between the inner ring wall and the outer ring wall, the annular rib is provided with a glue dispensing slot, the resilient split ring is disposed between the outer ring wall and the annular rib, and the glue dispensing slot is adapted to receive glue to adhere to the resilient split ring body and retain resilient movement of the open end of the resilient split ring.

19. The camera module according to claim 18, wherein the annular rib is further provided with a rolling groove adapted to receive a ball, and the rolling groove comprises: the glue dispensing device comprises a first rolling groove and a second rolling groove, wherein the first rolling groove is close to two ends of an opening of the elastic opening supporting ring, the second rolling groove is located near a non-opening area of the elastic opening ring, the glue dispensing groove is located between the first rolling groove and the second rolling groove or between the two second rolling grooves, and the glue dispensing groove is suitable for being provided with glue to adhere to the elastic opening ring.

20. The camera module according to claim 19, wherein the first rolling groove is vertically disposed corresponding to the second conductive strip.

21. The camera module of claim 1, wherein said metal balls are steel balls.

22. The camera module of claim 21, wherein the metal balls are surface plated with gold or silver.

23. The camera module according to claim 21 or 22, wherein the surface of the metal ball is further coated with a conductive grease mixed with carbon powder or silver powder.

24. The camera module of claim 1, wherein one of said conductive pads corresponds to at least one metal ball.

25. The camera module of claim 19, wherein the ball bearings are steel balls or ceramic balls.

26. A digital device, comprising:

a main body of the body;

the camera module of claim 1, wherein the camera module is disposed in the body, and when the camera module is in focus, a lens unit of the camera module protrudes from a surface of the body by more than or equal to 800 micrometers.