WO2022193900A1 - 摄像模组及其组装方法、电子设备 - Google Patents

摄像模组及其组装方法、电子设备 Download PDF

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Publication number
WO2022193900A1
WO2022193900A1 PCT/CN2022/076736 CN2022076736W WO2022193900A1 WO 2022193900 A1 WO2022193900 A1 WO 2022193900A1 CN 2022076736 W CN2022076736 W CN 2022076736W WO 2022193900 A1 WO2022193900 A1 WO 2022193900A1
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WO
WIPO (PCT)
Prior art keywords
magnetic
assembly
camera module
image sensor
fixing
Prior art date
Application number
PCT/CN2022/076736
Other languages
English (en)
French (fr)
Inventor
夏太红
陈超
余洋华
原帅
Original Assignee
荣耀终端有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN202110603417.7A external-priority patent/CN115118845B/zh
Application filed by 荣耀终端有限公司 filed Critical 荣耀终端有限公司
Priority to EP22770255.2A priority Critical patent/EP4266664A4/en
Priority to US18/274,564 priority patent/US20240098350A1/en
Publication of WO2022193900A1 publication Critical patent/WO2022193900A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/51—Housings
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0264—Details of the structure or mounting of specific components for a camera module assembly
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N17/00—Diagnosis, testing or measuring for television systems or their details
    • H04N17/002—Diagnosis, testing or measuring for television systems or their details for television cameras
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices

Definitions

  • the present application relates to the technical field of mobile terminals, and in particular, to a camera module, an assembling method thereof, and an electronic device.
  • a portable electronic device such as a mobile phone
  • it is usually done in a handheld manner. Therefore, there is often a problem that the captured images are blurred due to hand shake.
  • some electronic devices have an optical anti-shake function. By moving the lens or image sensor of the camera module, the amount of movement of the hand shake is offset, so as to improve the quality of the captured image.
  • the present application provides a camera module, an assembling method thereof, and an electronic device.
  • the camera module has a simple structure, is easy to assemble, and has high reliability.
  • the present application provides a camera module, comprising: a casing, a fixing bracket, a lens, a first drive assembly, a second drive assembly and an image sensor assembly; a side surface of the casing is provided with a mounting hole, the lens Partly accommodated in the housing through the mounting hole, the fixing bracket is arranged in the housing, and the image sensor assembly is located at the bottom of the housing;
  • the fixing bracket includes a first fixing part and a second fixing part, the first fixing part is sleeved outside the lens, and the second fixing part
  • One end of the first fixing part is connected to the side of the first fixing part facing the bottom of the casing, the other end of the second fixing part is supported on the inner bottom wall of the casing, and at least one set of magnetic components is fixed on the inner edge of the first fixing part;
  • the first drive assembly is located on the side of the first fixing part facing the bottom of the casing, one side surface of the first drive assembly faces a part of the magnetic assembly, the other side surface of the first drive assembly is connected with the image sensor assembly, and the magnetic assembly is used for The first drive assembly is driven to move; the second drive assembly is sleeved on the outer wall of the lens, the second drive assembly faces another part of the magnetic assembly, and the magnetic assembly is used to drive the second drive assembly to move.
  • a fixing bracket is arranged in the housing, and the fixing bracket includes a first fixing part and a second fixing part, the first fixing part is sleeved outside the lens, and one end of the second fixing part is connected to the first fixing part The other end of the second fixing part is supported on the bottom of the casing; by arranging a magnetic component on the inner edge of the first fixing part, the part of the magnetic component facing the first driving component is used to drive the first driving The assembly moves, and the part of the magnetic assembly facing the second drive assembly is used to drive the second drive assembly to move, and the first drive assembly and the second drive assembly respectively drive the image sensor assembly and the lens to move.
  • the first drive assembly and the second drive assembly are driven by the magnetic assembly arranged on the fixed bracket, the structure of the camera module is simplified, the assembly process of the camera module is simple, and it is easy to test the performance of the camera module, The reliability of the camera module is improved.
  • the second fixing part includes a plurality of supporting parts arranged at intervals, and the first driving assembly and the image sensor assembly are located in a space enclosed by the plurality of supporting parts.
  • At least two sets of magnetic assemblies are fixed on the inner edge of the first fixing portion, and the two sets of magnetic assemblies are respectively disposed on opposite sides of the first fixing portion.
  • the first driving component and the second driving component are driven to move by the magnetic components on both sides, so that the movement of the image sensor component and the lens is more stable.
  • the magnetic component includes a first magnetic component and a second magnetic component, the first magnetic component faces the first driving component and drives the first driving component to move, and the second magnetic component faces the second driving component and drives the The second drive assembly moves.
  • the first driving member is driven by the magnetic force generated between the first magnetic member and the first driving member, and the first driving member is driven by the magnetic force generated between the second magnetic member and the second driving member.
  • the second drive assembly moves.
  • the magnetic assembly further includes a magnetic conductive part fixed on the first fixing part, the magnetic conductive part includes a first magnetic conductive part and a second magnetic conductive part; the first magnetic conductive part faces the first drive an assembly, the surface of the first magnetic part is attached to the surface of the first magnetic conductive part; the second magnetic conductive part faces the second drive assembly, and the surface of the second magnetic part is attached to the surface of the second magnetic conductive part;
  • the first magnetic conductive part and the second magnetic conductive part have opposite magnetic properties
  • the first magnetic part and the first magnetic conductive part have opposite magnetic properties
  • the second magnetic part and the second magnetic conductive part have opposite magnetic properties
  • the first magnetic part and the second magnetic part are fixed on the first fixing part by the magnetic conductive part; wherein, the first magnetic part is fixed by the first magnetic conductive part of the magnetic conductive part, and the first magnetic conductive part relies on it and the first magnetic part.
  • the magnetic attractive force between the magnetic pieces attracts the first magnetic piece to its surface; the second magnetic piece is fixed by the second magnetic piece of the magnetic piece, and the second piece The magnetic attraction attracts the second magnetic piece to its surface.
  • the first drive assembly includes a support plate and at least one first drive coil, the first drive coil is disposed on a side surface of the support plate facing the magnetic assembly, and the first drive coil is disposed opposite to the magnetic assembly.
  • the support plate By setting the support plate to fix the first driving coil, by making the first driving coil face the magnetic component, the first driving coil and the magnetic component generate a magnetic force, and by adjusting the magnitude and direction of the current in the first driving coil, the first driving coil and the magnetic component are changed.
  • the magnitude and direction of the magnetic force between the magnetic components realize the movement of the first driving component.
  • At least one first limiting portion is provided on the first fixing portion
  • at least one second limiting portion is provided on the side of the support plate facing the first fixing portion
  • the second limiting portion is connected to the first limiting portion.
  • a limiting portion is oppositely arranged, and a ball is provided between the first limiting portion and the second limiting portion, and the first limiting portion and the second limiting portion are in contact with each other through the ball.
  • a first limiting portion is provided on the first fixing portion, a second limiting portion opposite to the first limiting portion is provided on the support plate, and a ball is provided between the first limiting portion and the second limiting portion , to make rolling contact between the first fixed part and the support plate, so as to reduce the resistance of the support plate to move.
  • At least two first limiting portions are provided on the first fixing portion, and the two first limiting portions are arranged opposite to each other; at least two second limiting portions are provided on the support plate, each The second limiting portion corresponds to each of the first limiting portions.
  • one of the first limiting portion and the second limiting portion is provided with a limiting groove, and the ball moves in the limiting groove.
  • the balls are limited in the limit groove, the balls are prevented from falling off between the first limit part and the second limit part, and the support is guaranteed.
  • the contact between the plate and the first fixing part is stable.
  • a gap is reserved between the first limiting portion and the second limiting portion to avoid contact between the first limiting portion and the second limiting portion, preventing the first limiting portion from contacting the second limiting portion. The position hinders the movement of the support plate.
  • the support plate is a magnetic conductive plate.
  • the support plate faces the first magnetic piece on the first fixing part.
  • a magnetic attraction force is generated between the first magnetic piece and the support board, which can ensure that the first drive assembly is always in contact with the first fixing part, avoiding The first drive assembly is loose.
  • the second drive assembly includes a support base and a second drive coil, the support base is sleeved on the outer wall of the lens, and the second drive coil is sleeved on the outer wall of the support base.
  • a magnetic force is generated between the second drive coil and the second magnetic member, and the second drive coil is driven to move by changing the magnitude and direction of the current in the second drive coil, and the second drive coil is fixed on the outer wall of the lens through the support seat to This realizes that the second driving coil drives the lens to move.
  • the image sensor assembly includes an image sensor, and a space is formed between the heat dissipation surface of the image sensor and the inner bottom wall of the housing, and the space is filled with thermal fluid.
  • the heat dissipation surface of the image sensor is in contact with the thermal fluid.
  • annular sealing plate is attached to the inner bottom wall of the casing, and the thermal fluid is located in the area enclosed by the annular sealing plate.
  • the heat transfer liquid is sealed by the annular sealing plate, and the coverage area of the heat transfer liquid is limited, so that the area where the heat transfer liquid is located corresponds to the heat dissipation surface of the image sensor.
  • the thermal fluid absorbs the heat of the image sensor and expands, and the thermal fluid overflows outward.
  • the gap can accommodate the overflowing thermal fluid and reserve a certain amount for the thermal fluid. flow space.
  • the annular sealing plate is provided with a plurality of sealing holes at intervals; or, the surface of the annular sealing plate is an uneven corrugated surface.
  • the overflowing thermal fluid is stored through the sealing hole on the annular sealing plate, and the thermal fluid is prevented from overflowing outside the annular sealing plate due to the surface tension of the thermal fluid in the gap between the annular sealing plate and the image sensor;
  • the concave area on the corrugated surface of the corrugated sealing plate stores the overflowing thermal fluid, and due to the surface tension of the thermal fluid in the gap between the top of the raised area of the corrugated surface and the image sensor, the thermal fluid is prevented from overflowing to the annular seal outside the board.
  • a plurality of strip-shaped grooves are provided at intervals on the annular sealing plate, and the strip-shaped grooves extend along the contour line direction of the annular sealing plate; wherein, from the inner edge to the outer edge of the annular sealing plate There are multiple rows of bar-shaped grooves, and the bar-shaped grooves in different rows are staggered.
  • the strip-shaped grooves By arranging a plurality of strip-shaped grooves extending along the contour line of the sealing plate at intervals on the sealing plate, the strip-shaped grooves can store the overflowing thermal fluid and prevent the thermal fluid from overflowing outside the annular sealing plate; in addition, the strip-shaped grooves arranged at intervals The grooves have little effect on the strength of the annular sealing plate; and, by staggering the strip grooves in different rows, the thermal fluid can be prevented from continuing to overflow after passing through the strip grooves.
  • the image sensor assembly further includes a flexible electrical connector, one end of the flexible electrical connector is connected to the image sensor, and the other end of the flexible electrical connector is used for connecting with an external circuit.
  • the flexible electrical connector includes a connecting portion, a movable cantilever and a fixing portion, the connecting portion is connected to the image sensor, the fixing portion is connected to an external circuit, and the movable cantilever is located between the connecting portion and the fixing portion;
  • the movable cantilever surrounds the image sensor at least half a circle.
  • the movement of the image sensor drives the deformation and movement of the movable cantilever, so as to avoid the flexible electrical connector restricting the displacement of the image sensor; wherein, by making the movable cantilever surround the image sensor at least half a circle, the movable cantilever at least includes two parts extending in different directions , the movable cantilever can ensure that the image sensor moves to any direction in its plane.
  • the present application provides a method for assembling a camera module for assembling the camera module as described in any of the above, the assembling method comprising:
  • a lens is provided, and a second drive assembly is sleeved on the outer wall of the lens;
  • a fixing bracket is provided; wherein, the fixing bracket includes a first fixing part and a second fixing part, and the second fixing part is connected to the bottom surface of the first fixing part;
  • the fixing bracket fixed with the magnetic component is sleeved outside the lens; wherein, the second driving component faces a part of the magnetic component;
  • a first drive assembly is provided, and one side surface of the first drive assembly is connected to the fixing bracket; wherein the first drive assembly faces the other part of the magnetic assembly;
  • a casing is sleeved on the outside of the fixed bracket.
  • the present application provides an electronic device, comprising at least one camera module according to any one of the above.
  • the electronic equipment provided by this application includes at least one camera module.
  • the camera module is provided with a fixing bracket in the casing.
  • the fixing bracket includes a first fixing part and a second fixing part.
  • the first fixing part is sleeved outside the lens, and the second fixing part
  • One end of the fixing part is connected to the side of the first fixing part facing the bottom of the casing, and the other end of the second fixing part is supported on the bottom of the casing;
  • a magnetic assembly is arranged through the inner edge of the first fixing part, and the magnetic assembly faces the first driving assembly
  • the part of the magnetic assembly is used to drive the first drive assembly to move, and the part of the magnetic assembly facing the second drive assembly is used to drive the second drive assembly to move, and the image sensor assembly and the lens are respectively driven by the first drive assembly and the second drive assembly to move.
  • the first drive assembly and the second drive assembly are driven by the magnetic assembly arranged on the fixed bracket, the structure of the camera module is simplified, the assembly process of the camera module is simple, and
  • FIG. 1 is a schematic structural diagram of an electronic device provided by an embodiment of the present application.
  • Fig. 2 is the partial exploded view of Fig. 1;
  • FIG. 3 is a schematic structural diagram of a camera module provided by an embodiment of the present application.
  • Fig. 4 is the exploded view of Fig. 3;
  • Fig. 5 is the front view of Fig. 3;
  • Fig. 6 is A-A sectional view in Fig. 5;
  • FIG. 7 is a schematic diagram of the internal structure of a camera module provided by an embodiment of the present application.
  • Fig. 8 is the exploded view of Fig. 7;
  • Fig. 9 is the structural schematic diagram after removing the fixing bracket in Fig. 7;
  • FIG. 10 is a schematic structural diagram of a magnetic assembly provided by an embodiment of the present application.
  • FIG. 11 is a schematic structural diagram of a fixing bracket provided by an embodiment of the application.
  • Fig. 12 is the front view of Fig. 7;
  • Figure 13 is a sectional view of B-B in Figure 12;
  • FIG. 15 is a schematic structural diagram of an annular sealing plate provided by an embodiment of the application.
  • FIG. 16 is a schematic structural diagram of an image sensor assembly provided by an embodiment of the present application.
  • 1-camera module 2-shell; 21-back cover; 211-light transmission hole; 22-middle frame; 3-display panel; 4-circuit board;
  • 111-outer frame 112-base plate; 121-first fixing part; 122-second fixing part; 123-positioning plate; 141-supporting plate; 142-first driving coil; 151-supporting seat; 152-second driving 161-image sensor; 162-flexible electrical connector; 163-transparent plate; 171-first magnetic part; 172-second magnetic part; 173-magnetic conductive part; 191-sealing hole; 192-strip groove ;
  • 1111-installation hole 1211-first limit part; 1221-support part; 1411-second limit part; 1421-weight reduction hole; 1621-connection part; 1622-movable cantilever; A magnetic conductive part; 1732 - a second magnetic conductive part;
  • FIG. 1 is a schematic structural diagram of an electronic device provided by an embodiment of the present application
  • FIG. 2 is a partial exploded view of FIG. 1 .
  • the electronic device 100 of the present application will be described. It should be understood that the electronic device 100 in this embodiment includes, but is not limited to, a mobile phone, and the electronic device 100 may also be the aforementioned tablet computer, notebook computer, PDA, smart wearable device, or a mobile terminal such as a POS.
  • the electronic device 100 may include a housing 2 , a display panel 3 , a camera module 1 and a circuit board 4 .
  • the housing 2 is enclosed on the back and side of the electronic device 100, the display panel 3 is mounted on the housing 2, the display panel 3 and the housing 2 together form an accommodation space of the electronic device 100, and the camera module 1 and the circuit board 4 are installed on the housing 2. within the accommodation space.
  • devices such as a microphone, a speaker, or a battery can also be arranged in the accommodating space.
  • the camera module 1 is located at the top of the casing 2 near the edge. It can be understood that the position of the camera module 1 is not limited to the position shown in FIG. 1 .
  • the housing 2 may include a rear cover 21 and a middle frame 22 , the rear cover 21 is provided with a light-transmitting hole 211 , the camera module 1 may be disposed on the middle frame 22 , and the camera module 1 Collect external ambient light through the light-transmitting hole 211 on the back cover 21 .
  • the photosensitive surface of the camera module 1 and the light-transmitting hole 211 are arranged opposite to each other, and the external ambient light passes through the light-transmitting hole 211 and is irradiated to the photosensitive surface. It is an electrical signal to realize its shooting function.
  • FIG. 2 shows that the electronic device 100 is provided with one camera module 1.
  • the number of camera modules 1 is not limited to one, and the number of camera modules 1 may also be two or more. two.
  • the multiple camera modules 1 can be arbitrarily arranged in the X-Y plane.
  • the plurality of camera modules 1 are arranged along the X-axis direction, or, the plurality of camera modules 1 are arranged along the Y-axis direction.
  • the camera module 1 includes but is not limited to an auto focus (Auto Focus, AF) module, a fixed focus (Fix Focus, FF) module, a wide-angle camera module 1, a telephoto camera module 1, and a color camera module. 1 or black and white camera module 1.
  • the camera module 1 in the electronic device 100 may include any one of the aforementioned camera modules 1 , or may include two or more of the aforementioned camera modules 1 . When the number of camera modules 1 is two or more, two or more camera modules 1 can be integrated into one camera assembly.
  • the camera module 1 can be electrically connected to the circuit board 4 .
  • the circuit board 4 is, for example, a main board in the electronic device 100 .
  • the camera module 1 can be electrically connected to the main board through an electrical connector.
  • the camera module 1 is provided with a female socket of the electrical connector, and the main board is provided with a male socket of the electrical connector. By plugging the female socket into the male socket, the camera module 1 and the main board are electrically connected.
  • a processor is provided on the main board, and the camera module 1 is controlled by the processor to capture images.
  • the processor receives the shooting instruction, and controls the camera module 1 to shoot the shooting object according to the shooting instruction.
  • the camera module 1 in the electronic device 100 will be introduced in detail below.
  • FIG. 3 is a schematic structural diagram of a camera module provided by an embodiment of the present application
  • FIG. 4 is an exploded view of FIG. 3
  • the camera module 1 of this embodiment includes a housing 11 , a lens 13 and an image sensor assembly 16 .
  • One side surface of the housing 11 is provided with a mounting hole 1111 , the interior of the housing 11 is hollow to form a accommodating space, the lens 13 is mounted on the housing 11 through the mounting hole 1111 , and a part of the lens 13 is located in the accommodating space in the housing 11 , another part of the lens 13 is exposed outside the casing 11 ; the image sensor assembly 16 is arranged in the casing 11 , for example, the image sensor assembly 16 is arranged at the bottom of the casing 11 .
  • FIG. 5 is a front view of FIG. 3 ;
  • FIG. 6 is a cross-sectional view taken along line A-A in FIG. 5 .
  • the light incident side of the lens 13 is located outside the casing 11
  • the light exit side of the lens 13 is located inside the casing 11 .
  • the light-incident side of the lens 13 corresponds to the light-transmitting hole 211 on the back cover 21 of the electronic device 100
  • the external ambient light enters the lens 13 from the light-incident side of the lens 13 through the light-transmitting hole 211 .
  • the optical axis of the lens 13 passes through the center of the lens, the lens condenses the incident light, and the condensed light is emitted from the light-emitting side of the lens 13 .
  • the image sensor assembly 16 is located on the light exit light path of the lens 13 .
  • the image sensor assembly 16 is located on the light exit side of the lens 13 , and the optical axis of the lens 13 passes through the center of the image sensor assembly 16 .
  • the light emitted from the lens 13 enters the image sensor assembly 16 , and the outgoing light signal is converted into an electrical signal through the photoelectric conversion of the image sensor assembly 16 , so as to realize the imaging function of the camera module 1 .
  • the housing 11 may include an outer frame 111 and a bottom plate 112 , and the outer frame 111 and the bottom plate 112 together form an accommodating space for the housing 11 .
  • the detachable bottom plate 112 By disposing the detachable bottom plate 112 , it is convenient to install the lens 13 , the image sensor assembly 16 and other components of the camera module 1 in the casing 11 .
  • the mounting hole 1111 is located on the side surface of the outer frame 111 opposite to the bottom plate 112 , the lens 13 is installed in the housing 11 through the mounting hole 1111 along its optical axis direction, and the image sensor assembly 16 is disposed close to the bottom plate 112 .
  • the camera module 1 of this embodiment further includes a first driving component 14 and a second driving component 15 , and the first driving component 14 and the second driving component 15 are disposed in the housing 11 .
  • the first driving component 14 is used to drive the image sensor component 16 to move.
  • the first driving component 14 can drive the image sensor component 16 to translate in the plane where it is located in the direction perpendicular to the optical axis of the lens 13 or Rotate to realize the anti-shake function of the camera module 1;
  • the second drive assembly 15 is used to drive the lens 13 to move, for example, the second drive assembly 15 can drive the lens 13 to move along its own optical axis to realize the camera module. 1 focus function.
  • FIG. 7 is a schematic diagram of an internal structure of a camera module provided by an embodiment of the present application;
  • FIG. 8 is an exploded view of FIG. 7 . 7 and 8, the fixing bracket 12 is sleeved outside the lens 13, the fixing bracket 12 includes a first fixing part 121 and a second fixing part 122, one end of the second fixing part 122 is connected to the first fixing part 121 and faces One side of the bottom of the casing 11 and the other end of the second fixing portion 122 are supported on the inner bottom wall of the casing 11 .
  • the first fixing portion 121 is, for example, an annular portion surrounding the outer side of the lens 13 , and at least one set of magnetic components 17 is fixed on the first fixing portion 121 near the inner edge of the outer side wall of the lens 13 , and the magnetic components 17 are used to drive the first driving component. 14 and the second drive assembly 15 move.
  • the first drive assembly 14 is located on the side of the first fixing portion 121 facing the bottom of the housing 11 , and one side surface of the first drive assembly 14 faces a part of the magnetic assembly 17 , for example, the magnetic assembly 17 A part of the first driving assembly 14 faces the bottom plate 112 of the housing 11 , the first driving assembly 14 faces this part of the magnetic assembly 17 , and the other side surface of the first driving assembly 14 is connected with the image sensor assembly 16 .
  • the first driving component 14 can generate a magnetic field, and a magnetic force can be generated between the first driving component 14 and the magnetic component 17 . By changing the magnetic force between the first driving component 14 and the magnetic component 17 , the first driving component 14 can be driven to move.
  • the space between the first drive assembly 14 and the magnetic assembly 17 can be arranged along the optical axis direction of the lens 13, and the plate surface of the first drive assembly 14 is perpendicular to the optical axis direction of the lens 13.
  • the magnitude of the magnetic force between 17 and 17 drives the first drive assembly 14 to move in a direction perpendicular to the optical axis of the lens 13.
  • the first drive assembly 14 translates or rotates in the plane where it is located, so as to drive the image sensor assembly 16 to translate or rotate. Rotation, to compensate for the displacement caused by the user's hand shake, to prevent blurring of the captured image, to improve the clarity of the image, and to improve the quality of the image captured by the camera module 1 .
  • the second drive assembly 15 is sleeved outside the lens 13 , for example, the second drive assembly 15 is fixed on the outer wall of the lens 13 , and the movement of the second drive assembly 15 can drive the lens 13 to move.
  • the second driving assembly 15 is located inside the inner edge of the first fixing portion 121 , the second driving assembly 15 faces another part of the magnetic assembly 17 , for example, the other part of the magnetic assembly 17 faces the outer wall of the lens 13 , and the second driving assembly 15 faces the magnetic This part of assembly 17.
  • the second drive assembly 15 can generate a magnetic field, and a magnetic force can be generated between the second drive assembly 15 and the magnetic assembly 17.
  • the second drive assembly 15 can be driven to move.
  • the magnetic assembly 17 can drive the second drive assembly 15 to move along the optical axis of the lens 13 , for example, and the second drive assembly 15 drives the lens 13 to move along its optical axis to adjust the focal length of the lens 13 .
  • the fixing bracket 12 is supported on the bottom of the housing 11 by the second fixing portion 122, and the second fixing portion 122 defines a space between the first fixing portion 121 and the inner bottom wall of the housing 11, and the space is used to accommodate at least the first fixing portion 121 and the inner bottom wall of the housing 11.
  • the second fixing portion 122 may include a plurality of supporting portions 1221 arranged at intervals, and each supporting portion 1221 is connected to a side surface of the first fixing portion 121 facing the bottom of the housing 11 .
  • the first driving assembly 14 and the image sensor assembly 16 are located in the space enclosed by each support portion 1221 .
  • the supporting portion 1221 may include four, and the four supporting portions 1221 are respectively located at the four corners of the first fixing portion 121 .
  • the magnetic component 17 is fixedly connected to the inner edge of the first fixing portion 121 , the first driving component 14 is movably connected to the side of the first fixing portion 121 facing the bottom of the housing 11 , and the image sensor component 16 is fixedly connected to the first driving component 14 .
  • the image sensor assembly 16 translates or rotates with the first drive assembly 14, and there should be a gap between the image sensor assembly 16 and the inner bottom wall of the housing 11 to avoid The movement of the image sensor assembly 16 is prevented from being hindered by the inner bottom wall of the housing 11 .
  • At least two sets of magnetic components 17 can be fixed on the inner edge of the first fixing portion 121 .
  • the two sets of magnetic components 17 can be arranged on the first Opposite sides of a fixed portion 121 .
  • the first driving component 14 and the second driving component 15 are driven by the two sets of magnetic components 17 to move, so that the driving force of the magnetic component 17 to the first driving component 14 and the second driving component 15 can be enhanced; and the two sets of magnetic components 17 are arranged opposite to each other, It can ensure that the first driving component 14 drives the image sensor component 16 to move smoothly, and the second driving component 15 can drive the lens 13 to move smoothly, so as to prevent the image sensor 161 and the lens 13 from being skewed during the movement.
  • the number of the magnetic components 17 fixed on the inner edge of the first fixing portion 121 may also be four groups, six groups, or eight groups, etc., which is not limited in this embodiment. Wherein, multiple sets of magnetic components 17 are disposed opposite to each other.
  • the casing 2 of the camera module 1 can be, for example, a rectangular parallelepiped shape, for example, the cross-sectional shape of the casing 2 in a direction perpendicular to the axial direction of the lens 13 is a rectangle.
  • the first fixing portion 121 of the fixing bracket 12 may be a rectangular frame structure, and a portion of the lens 13 is inserted into the area enclosed by the rectangular frame.
  • the outline of the inner edge of the rectangular frame may be rectangular;
  • the contour of the inner edge of the rectangular frame may be hexagonal or octagonal.
  • the magnetic component 17 is fixed on the inner edge of the first fixing portion 121 , and the first driving component 14 and the image sensor component 16 are located in the space enclosed by the second fixing portion 122 .
  • the part of the magnetic assembly 17 toward the first drive assembly 14 drives the first drive assembly 14 to move
  • the second drive assembly 15 is sleeved on the outer wall of the lens 13 , and the part of the magnetic assembly 17 toward the second drive assembly 15 drives the second drive assembly 15 moves, which simplifies the structure of the camera module 1 and reduces the assembly difficulty of the camera module 1 .
  • the first driving component 14 and the second driving component 15 can be simultaneously manufactured and tested for performance, which can accurately test the anti-shake performance of the camera module 1 and improve the reliability of the camera module 1 .
  • FIG. 9 is a schematic structural diagram of FIG. 7 after removing the fixing bracket
  • FIG. 10 is a structural schematic diagram of a magnetic assembly provided by an embodiment of the present application. 9 and 10 , the magnetic assembly 17 includes a first magnetic member 171 and a second magnetic member 172 .
  • the first magnetic member 171 faces the first driving member 14 and the second magnetic member 172 faces the second driving member 15 .
  • the first magnetic member 171 is used to drive the first driving assembly 14 to move
  • the second magnetic member 172 is used to drive the second driving assembly 15 to move.
  • the first magnetic member 171 is fixed on the side surface of the first fixing portion 121 facing the first driving assembly 14 , and the first magnetic member 171 faces the surface of the first driving assembly 14 ; the second magnetic member 172 is fixed on the first driving assembly 14 .
  • the fixing portion 121 faces one side surface of the second driving assembly 15 , and the second magnetic member 172 faces the surface of the second driving assembly 15 .
  • the first magnetic member 171 may be arranged along the direction perpendicular to the optical axis of the lens 13
  • the second magnetic member 172 may be arranged along the direction of the optical axis of the lens 13
  • the first magnetic member 171 and the second magnetic member 172 are perpendicular to each other. .
  • the first drive assembly 14 includes a support plate 141 and a first drive coil 142.
  • the plate surface of the support plate 141 may be, for example, perpendicular to the optical axis of the lens 13, and the first drive coil 142 is provided at On the surface of the support plate 141 facing the first magnetic member 171 , the image sensor assembly 16 is connected to the other side surface of the support plate 141 .
  • the first driving coils 142 are disposed corresponding to the first magnetic members 171 , and the number of the first driving coils 142 may be one or more to match the number of the first magnetic members 171 .
  • the first drive coil 142 is fixed on the support plate 141.
  • the first drive coil 142 can be pasted or welded on the support plate 141, or the first drive coil 142 can be locked on the support plate 141 by bolts or screws.
  • the first driving coil 142 may be provided with a weight reducing hole 1421 , which facilitates the movement of the first driving assembly 14 .
  • the first driving component 14 may be connected to an external circuit, for example, the first driving component 14 is electrically connected to the circuit board 4 in the electronic device 100 .
  • the circuit board 4 controls the first drive assembly 14 to work, the first drive coil 142 is energized to generate an electromagnetic field, and a magnetic force is generated between the first drive coil 142 and the first magnetic member 171, and the magnetic force drives the first drive coil 142.
  • a driving coil 142 moves, and the first driving coil 142 drives the image sensor assembly 16 to move through the support plate 141 .
  • the electronic device 100 is usually further provided with an acceleration sensor, and the movement direction and the movement amount of the electronic device 100 are detected by the acceleration sensor.
  • the acceleration sensor detects the direction and amount of shaking of the user's hand when shooting, and the acceleration sensor transmits the shaking signal to the processor in the circuit board 4, and the processor determines the moving direction and the amount of movement of the image sensor assembly 16 to be compensated according to the shaking signal.
  • the direction and magnitude of the current in the first drive coil 142 are controlled, and the direction and magnitude of the magnetic field generated between the first drive coil 142 and the first magnetic member 171 are adjusted, so as to control the movement direction and magnitude of the first drive assembly 14.
  • the amount of movement, the first driving assembly 14 drives the image sensor assembly 16 to move.
  • the first driving assembly 14 drives the image sensor assembly 16 to translate or rotate in the plane where the image sensor assembly 16 is located, so as to compensate for the interference of the user's hand shake when shooting, improve the blurring of the image, and improve the quality of the image.
  • the second driving assembly 15 includes a support base 151 and a second driving coil 152 .
  • the support base 151 is sleeved on the outer wall of the lens 13 for supporting the lens 13 .
  • the outer wall of the lens 13 may be provided with external threads
  • the inner wall of the support base 151 may be provided with internal threads
  • the support base 151 is connected with the outer wall of the lens 13 by threads.
  • the second drive coil 152 is sleeved on the outer wall of the support base 151 , and the second drive coil 152 is fixedly connected to the support base 151 .
  • the second driving component 15 may be electrically connected to the circuit board 4 in the electronic device 100 .
  • the circuit board 4 controls the second driving assembly 15 to work
  • the second driving coil 152 is energized to generate an electromagnetic field
  • a magnetic force is generated between the second driving coil 152 and the second magnetic member 172, and the magnetic force drives the first
  • the second driving coil 152 moves
  • the second driving coil 152 drives the lens 13 to move through the support base 151 .
  • the user inputs a shooting instruction when shooting an image.
  • the user inputs a focusing instruction by operating the display interface of the electronic device 100, and the circuit board 4 in the electronic device 100 receives the focusing instruction and controls the direction and magnitude of the current in the second driving coil 152,
  • the direction and magnitude of the magnetic field generated between the second driving coil 152 and the second magnetic member 172 are adjusted to control the moving direction and amount of the second driving assembly 15
  • the second driving assembly 15 drives the lens 13 to move.
  • the second driving assembly 15 drives the lens 13 to move along the direction of its optical axis, so as to focus on the object to be photographed.
  • the area of the surface of the second driving coil 152 opposite to the second magnetic member 172 may be parallel to the surface of the second magnetic member 172 .
  • the second driving coil 152 can be a substantially rectangular coil, and each side of the second driving coil 152 is connected to the second magnetic member. 172 correspond.
  • six or eight second magnetic members 172 are evenly spaced on the inner edge of the first fixing portion 121 along its circumferential direction, and the second driving coil 152 is correspondingly a substantially hexagonal coil or an octagonal coil.
  • the outer wall of the lens 13 is usually a cylindrical surface, so the support base 151 can be a ring structure.
  • the second driving coil 152 is a rectangular coil
  • a hexagonal Part of the area can be fixed on the outer wall of the support base 151 , for example, these areas of the second driving coil 152 are glued or welded on the outer wall of the support base 151 .
  • the first magnetic member 171 and the second magnetic member 172 may be fixed on the first fixing portion 121 .
  • the first magnetic member 171 is fixed on the side surface of the first fixing portion 121 facing the first driving assembly 14
  • the second magnetic member 172 is fixed on the side surface of the first fixing portion 121 facing the second driving assembly 15 .
  • the first magnetic member 171 and the second magnetic member 172 may be adhered on the surface of the first fixing part 121 .
  • the magnetic assembly 17 may further include a magnetic conductive member 173 , the magnetic conductive member 173 is fixed on the first fixing portion 121 , and the first magnetic member 171 and the first magnetic member 171 and the first magnetic member 171 and the first magnetic member 171 and the first magnetic member 171 and the first magnetic member 171 are fixed by the magnetic conductive member 173 .
  • the magnetic conductive member 173 includes a first magnetic conductive portion 1731 and a second magnetic conductive portion 1732.
  • the first magnetic conductive portion 1731 faces the first driving assembly 14, the second magnetic conductive portion 1732 faces the second driving assembly 15, and the first magnetic conductive portion 1732 faces the second driving assembly 15.
  • the magnetic element 171 is fixed on the first magnetic conductive portion 1731
  • the second magnetic element 172 is fixed on the second magnetic conductive portion 1732 .
  • the first magnetic conductive portion 1731 and the second magnetic conductive portion 1732 of the magnetic conductive member 173 may be perpendicular to each other.
  • the magnetic poles of the first magnetic conductive portion 1731 and the second magnetic conductive portion 1732 for example, the first magnetic conductive portion 1731 is the north pole (N pole), and the second magnetic conductive portion 1732 is the south pole (S pole);
  • the magnetic conductive portion 1731 is an S pole, and the second magnetic conductive portion 1732 is an N pole.
  • the surface of the first magnetic member 171 is attached to the surface of the first magnetic conductive portion 1731
  • the surface of the second magnetic member 172 is attached to the surface of the second magnetic conductive portion 1732 .
  • the first magnetic member 171 can be adsorbed on the surface of the first magnetic conductive portion 1731 by magnetic adsorption
  • the second magnetic member 172 can also be adsorbed on the surface of the second magnetic conductive portion 1732 by magnetic adsorption.
  • the first magnetic conductive portion 1731 is an N pole
  • the side of the first magnetic member 171 that is adsorbed on the first magnetic conductive portion 1731 is an S pole
  • the side of the first magnetic member 171 facing the first driving assembly 14 is an N pole
  • the second magnetic conductive portion 1732 is the S pole
  • the side of the second magnetic member 172 adsorbed on the second magnetic conductive portion 1732 is the N pole
  • the side of the second magnetic conductive member 173 facing the second driving component 15 is the S pole .
  • the first magnetic conductive portion 1731 is the S pole
  • the side of the first magnetic member 171 that is adsorbed on the first magnetic conductive portion 1731 is the N pole
  • the side of the first magnetic member 171 facing the first driving component 14 is the S pole
  • the second magnetic conductive portion 1732 is an N pole
  • the side of the second magnetic member 172 that is adsorbed on the second magnetic conductive portion 1732 is an S pole
  • the side of the second magnetic conductive member 173 facing the second driving component 15 is an N pole.
  • the Adhesives may also be used to connect between a magnetic member 171 and the first magnetic conductive portion 1731 and between the second magnetic member 172 and the second magnetic conductive portion 1732 .
  • the first magnetic member 171 and the second magnetic member 172 are both adhered to the magnetic conductive member 173 by strong glue.
  • the magnetic conductive member 173 can be pasted or welded on the first fixing part 121 , specifically, as shown in FIG. They can be perpendicular to each other.
  • the surface of the first magnetic conductive portion 1731 of the magnetic conductive member 173 is in contact with the surface of the first fixed portion 121 facing the bottom of the housing 11 , and the surface of the second magnetic conductive portion 1732 of the magnetic conductive member 173 is fixed to the surface of the first fixed portion 121 .
  • the part 121 is attached toward the side wall of the lens 13 .
  • FIG. 11 is a schematic structural diagram of a fixing bracket provided by an embodiment of the present application.
  • the fixing bracket 12 can also be provided with a positioning plate 123, the positioning plate 123 has a reinforcing effect on the fixing of the magnetic conductive member 173, and ensures that the magnetic conductive member 173 and the first fixing portion 121 are firmly connected.
  • the positioning plate 123 may be supported at the bending portion of the magnetic conductive member 173 , that is, the positioning plate 123 is located at the connection portion of the first magnetic conductive portion 1731 and the second magnetic conductive portion 1732 .
  • the positioning plate 123 may include two parts that are perpendicular to each other to match the structure of the connecting portion of the first magnetically conductive portion 1731 and the second magnetically conductive portion 1732 .
  • the width of the gap matches the thickness of the magnetic conducting member 173 .
  • One side of the magnetic conducting member 173 is attached to the first fixing portion 121 , and the other The bent part of one side surface is attached to the positioning plate 123 .
  • both ends of the positioning plate 123 are respectively connected to the supporting parts 1221 on both sides; alternatively, the first fixing part 121 has a structure for fixing the positioning plate 123, and both ends of the positioning plate 123 are fixed on the first fixing part 121 on.
  • FIG. 12 is a front view of FIG. 7 ;
  • FIG. 13 is a cross-sectional view of B-B in FIG. 12 .
  • the first driving assembly 14 and the first fixing portion 121 are in rolling contact, specifically, the side surface of the support plate 141 facing the first fixing portion 121 and the surface of the first fixing portion 121 Rolling contact between them is to ensure that the first drive assembly 14 moves smoothly in the plane where it is located.
  • the first fixing portion 121 is provided with a first limiting portion 1211
  • a side of the support plate 141 facing the first fixing portion 121 is provided with a second limiting portion 1411
  • the second limiting portion 1411 and the first limiting portion 1211 are arranged opposite to each other
  • a ball 1211b is provided between the first limiting portion 1211 and the second limiting portion 1411, and the first limiting portion 1211 and the second limiting portion 1411 are in contact with each other through the ball 1211b.
  • the first limiting portion 1211 may be a limiting boss located on the side surface of the first fixing portion 121 facing the support plate 141
  • the second limiting portion 1411 may be The limiting boss on the support plate 141 protrudes toward the first fixing portion 121
  • the ball 1211 b is located between the first limiting portion 1211 and the second limiting portion 1411 .
  • At least one first limiting portion 1211 is provided on the first fixing portion 121
  • at least one second limiting portion 1411 is provided on the support plate 141 .
  • the first fixing portion 121 is provided with at least two first limiting portions 1211
  • the support plate 141 is provided with at least two second limiting portions 1211 .
  • Limiting part 1411 is provided in order to stabilize the contact between the support plate 141 and the first fixing portion 121 and ensure the smooth movement of the support plate 141 .
  • the two first limiting portions 1211 may be located at the positions of the first fixing portion 121 respectively.
  • the two second limiting portions 1411 may be located on opposite sides of the support plate 141 respectively, so as to ensure the balance on both sides of the support plate 141 and ensure that the support plate 141 stability.
  • the number of the first limiting portions 1211 provided on the first fixing portion 121 is not limited to two, and the number of the first limiting portions 1211 may also be four, six or eight, etc.;
  • the number of the second limiting portions 1411 provided on the support plate 141 is not limited to two, and the number of the second limiting portions 1411 may also be four, six, or eight, etc. .
  • the plurality of first limiting portions 1211 and the plurality of second limiting portions 1411 may be symmetrically arranged in pairs to ensure the balance of the support plate 141 .
  • the position of the ball 1211b may be offset.
  • the ball 1211b can be prevented from falling out between the first limit portion 1211 and the second limit portion 1411.
  • One of the first limiting portion 1211 and the second limiting portion 1411 may be provided with a limiting groove 1211a, and the ball 1211b moves in the limiting groove 1211a.
  • a limiting groove 1211 a is defined on a side surface of the first limiting portion 1211 facing the second limiting portion 1411 , and the ball 1211 b is located in the limiting groove 1211 a and is connected to the second limiting portion 1411 .
  • the surface of the limiting portion 1411 is in contact.
  • the inner diameter of the limiting groove 1211a may match the outer diameter of the ball 1211b, the ball 1211b rotates in the limiting groove 1211a, and the position of the ball 1211b is fixed; or, the inner diameter of the limiting groove 1211a may be larger than that of the ball 1211b Outer diameter, the ball 1211b can rotate and move in the limiting groove 1211a.
  • the diameter of the ball 1211b may be greater than the depth of the limiting groove 1211a, a part of the ball 1211b is located in the limiting groove 1211a, and the other part of the ball 1211b is exposed outside the limiting groove 1211a.
  • the portion of the ball 1211b exposed outside the limiting groove 1211a is located between the surface of the first limiting portion 1211 and the surface of the second limiting portion 1411, so that between the first limiting portion 1211 and the second limiting portion 1411 There is a gap therebetween to avoid contact between the first limiting portion 1211 and the second limiting portion 1411 , so as to prevent the first limiting portion 1211 from hindering the movement of the support plate 141 .
  • the first driving component 14 is magnetically attracted by the magnetic attraction force between the first driving coil 142 on the support plate 141 and the first magnetic member 171 on the first fixing portion 121 . It is movably connected to the first fixing portion 121 , and by arranging the balls 1211 b between the first limiting portion 1211 on the first fixing portion 121 and the second limiting portion 1411 on the support plate 141 , the support plate 141 and the There is a gap between the first fixing parts 121 and the two are in rolling contact.
  • the support plate 141 may be a magnetic conductive plate.
  • the first magnetic member 171 on the first fixing portion 121 generates a magnetic attractive force to the support plate 141 , not only the first driving coil 142 and the first magnetic member 171 have a magnetic force, but also the relationship between the support plate 141 and the first magnetic member 171 Therefore, the magnetic attraction force between the first driving component 14 and the first magnetic member 171 can be enhanced to ensure that the support plate 141 is always in contact with the first fixing portion 121 and prevent the support plate 141 from loosening.
  • the fixing bracket 12 can be an integral molded part, the first fixing part 121 and the second fixing part 122 are integral, and the second fixing part 122 is formed on the first fixing part 121 facing the casing 11 one side of the bottom.
  • the first fixing part 121 and the second fixing part 122 can also be designed and processed separately, and the first fixing part 121 and the second fixing part 122 are connected together to form the fixing bracket 12 .
  • the first fixing portion 121 and the second fixing portion 122 are bonded, welded, or connected by connecting elements such as bolts, screws, and rivets.
  • the first fixing portion 121 may be an annular member
  • the second fixing portion 122 may include a plurality of independent supporting portions 1221; or, the second fixing portion 122 may include an annular portion as a main body, and the annular portion and A fixing portion 121 is matched, the annular portion is connected with the first fixing portion 121, and each supporting portion 1221 is connected to the annular portion.
  • the first limiting portion 1211 on the fixing bracket 12 may be formed on the first fixing portion 121 or the second fixing portion 122 .
  • the image sensor assembly 16 includes an image sensor 161 and a flexible electrical connector 162 .
  • the image sensor 161 is located on the light-emitting side of the lens 13 , for example, the optical axis of the lens 13 passes through the center of the image sensor 161 .
  • the light emitted from the lens 13 is irradiated to the image sensor 161 , and the image sensor 161 converts the emitted light signal into an electrical signal by photoelectric conversion, so as to realize the imaging function of the camera module 1 .
  • the flexible electrical connector 162 is used to electrically connect the image sensor 161 to an external circuit, and then control the image sensing operation through the external circuit. Specifically, one end of the flexible electrical connector 162 is connected to the image sensor 161 , and the other end of the flexible electrical connector 162 is connected to an external circuit. For example, the other end of the flexible electrical connector 162 is connected to the circuit board 4 in the electronic device 100 . . When the user shoots, the processor on the circuit board 4 controls the image sensor 161 to work.
  • the image sensor 161 will generate heat during operation, and the heat will be collected on the image sensor 161, which will affect the performance of the image sensor 161. In severe cases, the image sensor 161 will not work properly. Therefore, the image sensor 161 needs to be dissipated. In the related art, the image sensor 161 dissipates heat through the air gap between the image sensor 161 and the bottom of the housing 11, and the heat dissipation efficiency is low, and the image sensor 161 cannot work in a high power consumption mode for a long time. For example, 5 minutes after the user activates the camera on the electronic device 100, the image sensor 161 enters the thermal protection mode and stops working.
  • FIG. 14 is an exploded view of an image sensor contacting a base plate according to an embodiment of the present application.
  • the thermal fluid 18 is filled in the gap, and the image sensor 161 is dissipated by the thermal fluid 18 .
  • the heat from the heat dissipation surface of the image sensor 161 is transferred to the thermal fluid 18 through thermal conduction, and the thermal fluid 18 conducts the heat to the bottom plate 112 , and dissipates heat to the outside through the bottom plate 112 , thereby dissipating the image sensor 161 .
  • the thermal fluid 18 conducts the heat to the bottom plate 112 , and dissipates heat to the outside through the bottom plate 112 , thereby dissipating the image sensor 161 .
  • the heat conduction effect of the thermal fluid 18 the heat dissipation efficiency of the image sensor 161 can be improved, and the heat dissipation effect of the image sensor 161 can be improved, thereby ensuring the working performance of the image sensor 161 .
  • annular sealing plate 19 is attached to the bottom plate 112 of the housing 11 , and the thermal fluid 18 is located in the area surrounded by the annular sealing plate 19 .
  • the heat transfer fluid 18 is a flowable liquid, and the heat transfer fluid 18 is restricted in the area enclosed by the ring seal plate 19 by disposing the annular seal plate 19 on the bottom plate 112 of the housing 11 .
  • the area enclosed by the annular sealing plate 19 may correspond to the heat dissipation surface of the image sensor 161 . In this way, the area where the thermal fluid 18 is located corresponds to the heat dissipation surface of the image sensor 161 to ensure the thermal conduction effect of the thermal fluid 18 on the image sensor 161 .
  • the thermal fluid 18 absorbs the heat of the image sensor 161
  • the temperature rises, and its volume will expand to a certain extent, causing the thermal fluid 18 to overflow outward, and the gap between the annular sealing plate 19 and the image sensor 161 can accommodate the thermal conductivity
  • the expansion amount of the liquid 18, coupled with the capillary action of the gap, can limit the heat transfer liquid 18 to the area where the annular sealing plate 19 is located, so as to prevent the heat transfer liquid 18 from overflowing the annular sealing plate 19 and affecting other parts of the camera module 1. device is affected.
  • the annular sealing plate 19 may be provided with a plurality of sealing holes 191 at intervals.
  • the heat transfer liquid 18 overflows along the surface of the annular sealing plate 19 , the heat transfer liquid 18 enters into each sealing hole 191 , and the heat transfer liquid 18 is sealed and stored through the sealing holes 191 , so that the heat transfer liquid 18 can be avoided. It overflows to the outside of the annular sealing plate 19 .
  • the surface of the annular sealing plate 19 may be an uneven corrugated surface.
  • the concave area between the adjacent two protrusions of the corrugated surface is used to store the thermal fluid 18, and the top of the convex area of the corrugated surface is located between the image sensor 161.
  • a gap is formed between the gaps, and the surface tension of the thermal fluid 18 in the gap can prevent the thermal fluid 18 from spreading outward.
  • the outer surface of the annular sealing plate 19 can be The edge is provided with a stop edge, and the height of the stop edge is greater than the thickness of the concave region of the corrugated surface, for example, the stop edge is flush with the top of the convex region of the corrugated surface.
  • the extension direction of the corrugation of the corrugated surface may be consistent with the extension direction of each side edge of the annular sealing plate 19 .
  • the corrugated extending direction of the corrugated surface on one side of the annular sealing plate 19 is consistent with the extending direction of the side, so that the thermal fluid 18 needs to cross the corrugated surface when it overflows outward.
  • the protrusion on the upper reaches the adjacent concave area, and the corrugated surface can effectively prevent the thermal fluid 18 from overflowing outward.
  • FIG. 15 is a schematic structural diagram of an annular sealing plate provided by an embodiment of the present application.
  • a plurality of the strip grooves 192 may be spaced on the surface of the annular sealing plate 19 along the contour of the annular sealing plate 19 .
  • direction extension Taking the outline of the annular sealing plate 19 as a rectangular frame as an example, the strip grooves 192 can extend along the side length direction of the annular sealing plate 19; wherein, the strip grooves 192 located at the corners of the annular sealing plate 19 can extend to both sides Extending, for example, the strip grooves 192 located at the corners of the annular sealing plate 19 are vertically curved strip grooves 192 .
  • the strip groove 192 can store the thermal fluid 18 ; and since the extending direction of the strip groove 192 is approximately perpendicular to the overflow direction of the thermal fluid 18 , the strip groove 192 will hinder the thermal fluid 18 spill out.
  • a plurality of rows of strip grooves 192 may be provided at intervals, and the strip grooves 192 in different rows are arranged in a staggered manner. In this way, in the direction from the inner edge to the outer edge of the annular sealing plate 19, the intervals formed between the adjacent strip grooves 192 are also staggered back and forth.
  • the thermal fluid 18 overflows from the end of the strip groove 192 into the strip groove 192 near the outer edge for storage, which can prevent the thermal fluid 18 from overflowing.
  • the annular sealing plate 19 may be a rubber plate or a silicone plate. Taking the annular sealing plate 19 provided with a plurality of sealing holes 191 at intervals as an example, the annular sealing plate 19 is a porous rubber plate or a porous silica gel plate.
  • FIG. 16 is a schematic structural diagram of an image sensor assembly provided by an embodiment of the present application.
  • the flexible electrical connector 162 connected to the image sensor 161 may include a connecting portion 1621, a movable cantilever 1622 and a mounting portion 1623, the connecting portion 1621 is connected to the image sensor 161, and the mounting portion 1623 is connected to an external circuit (eg electronic The circuit board 4) of the device 100 is connected, and the movable cantilever 1622 is located between the connecting part 1621 and the mounting part 1623 .
  • an external circuit eg electronic The circuit board 4
  • the connecting portion 1621 is connected to one side surface of the image sensor 161 , the movable cantilever 1622 extends around the image sensor 161 , and the movable cantilever 1622 is located inside the casing 11 of the camera module 1 , and one end of the mounting portion 1623 is connected to the movable cantilever 1622 .
  • 1623 protrudes out of the housing 11 , and the mounting portion 1623 extends toward the circuit board 4 , and the other end of the mounting portion 1623 is connected to the circuit board 4 .
  • the end of the mounting portion 1623 and the circuit board 4 are connected by an electrical connector.
  • the movable cantilever 1622 is a movable part of the flexible electrical connector 162.
  • the movable cantilever 1622 will deform and move accordingly, so as to prevent the flexible electrical connector 162 from affecting the image sensor. 161's movement creates restrictions.
  • the movable cantilever 1622 can surround the image sensor 161 at least half a circle.
  • the connecting portion 1621 is connected to one side of the image sensor 161, and the movable cantilever 1622 extends from the side connected to the connecting portion 1621 around the image sensor 161 to the adjacent side. Extending the two parts, the movable cantilever 1622 can move the image sensor 161 to any direction in its plane.
  • the movable cantilever 1622 can surround the image sensor 161 once. Taking the flexible electrical connector 162 as a whole, the flexible electrical connector 162 is connected to the image sensor 161 by its end After wrapping around the image sensor 161 once, it protrudes out of the casing 11 . In this way, the movable cantilever 1622 can provide sufficient degrees of freedom for the image sensor 161 so that the movement of the image sensor 161 is not restricted. It should be noted that the movable cantilever 1622 is an elastic cantilever, and the movable cantilever 1622 can return to its original shape after being deformed, so as to provide a reliable guarantee for the movement of the image sensor 161 .
  • the connecting portion 1621 of the flexible electrical connector 162 can be kept horizontal with the surface of the image sensor 161, while the movable cantilever 1622 is perpendicular to the surface of the image sensor 161, so that the deformation and movement of the movable cantilever 1622 are easy, and the mounting portion 1623 is protruded to the
  • the housing 11 is connected to the circuit board 4 , so the mounting portion 1623 can be attached to the inner wall of the rear cover 21 of the electronic device 100 , and the mounting portion 1623 is also kept horizontal with the surface of the image sensor 161 .
  • the image sensor assembly 16 may further include a light-transmitting plate 163, which may be a transparent protective plate, and the light-transmitting plate 163 is used to protect the image sensor 161 from damage.
  • the light-transmitting plate 163 may be a filter plate, and the light-transmitting plate 163 is used to filter out light of a specific wavelength; exemplarily, the light-transmitting plate 163 is used to filter out invisible light, such as infrared or ultraviolet light.
  • a fixing bracket 12 is arranged in the casing 11 , and the fixing bracket 12 includes a first fixing part 121 and a second fixing part 122 , the first fixing part 121 is sleeved outside the lens 13 , and the first fixing part 121 is sleeved outside the lens 13 .
  • One end of the two fixing parts 122 is connected to the side of the first fixing part 121 facing the bottom of the casing 11 , and the other end of the second fixing part 122 is supported at the bottom of the casing 11 ; 17.
  • the part of the magnetic assembly 17 facing the first drive assembly 14 is used to drive the first drive assembly 14 to move, and the part of the magnetic assembly 17 towards the second drive assembly 15 is used to drive the second drive assembly 15 to move through the first drive assembly 14 and the second driving assembly 15 respectively drive the image sensor assembly 16 and the lens 13 to move.
  • the first drive assembly 14 and the second drive assembly 15 are driven by the magnetic assembly 17 provided on the fixed bracket 12 , which simplifies the structure of the camera module 1 , the assembly process of the camera module 1 is simple, and it is easy to connect the camera module The performance of group 1 is tested to improve the reliability of camera module 1.
  • This embodiment also provides an assembling method of a camera module, which is used for assembling the aforementioned camera module 1 .
  • the assembling method includes the following steps:
  • a lens 13 is provided, and a second driving assembly 15 is sleeved on the outer wall of the lens 13 .
  • a fixing bracket 12 is provided, the fixing bracket 12 includes a first fixing part 121 and a second fixing part 122, the second fixing part 122 is connected to the bottom surface of the first fixing part 121, and at least one fixed part is fixed on the inner edge of the first fixing part 121.
  • a first drive assembly 14 is provided.
  • the second driving assembly 15 can be sleeved on the lens 13 and the magnetic assembly 17 can be fixed on the fixing bracket 12 in sequence.
  • the sequence of the assembly process of the driving assembly 15 and the assembly process of the fixing bracket 12 and the magnetic assembly 17 is not limited.
  • the first drive assembly 14 and the second drive assembly 15 can be manufactured simultaneously.
  • the fixing bracket 12 is sleeved outside the lens 13 , so that the second driving component 15 on the outer wall of the lens 13 faces a part of the magnetic component 17 on the inner edge of the first fixing portion 121 .
  • the first drive assembly 14 is connected to the fixing bracket 12 so that one side surface of the first drive assembly 14 faces the other part of the magnetic assembly 17 .
  • the image sensor assembly 16 is fixed on the other side surface of the first drive assembly 14 .
  • the casing 11 is sleeved on the outside of the fixing bracket 12 .
  • the housing 11 may include an outer frame 111 and a bottom plate 112 , and the image sensor assembly 16 is supported on the bottom plate 112 .
  • the bottom plate 112 can be installed on the bottom of the image sensor assembly 16 first, and then the outer frame 111 and the bottom plate 112 can be fixedly connected.
  • the performance of the first drive assembly 14 and the second drive assembly 15 and the fixing bracket 12 can be tested.
  • the accuracy of the overall driving performance measurement of the driving component 14 and the second driving component 15 can accurately test the anti-shake performance of the camera module 1 and improve the reliability of the camera module 1 .
  • the image sensor assembly 16 is assembled on the first drive assembly 14, and the image sensor assembly 16 can be processed and manufactured separately, which can reduce the production cost of the image sensor assembly 16. .

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  • Lens Barrels (AREA)

Abstract

本申请提供一种摄像模组及其组装方法、电子设备，摄像模组通过在壳体内设置固定支架，固定支架包括第一固定部和第二固定部，第一固定部套设在镜头外，第二固定部的一端连接在第一固定部面向壳体底部的一侧表面，第二固定部的另一端支撑在壳体底部；通过在第一固定部的内缘固定至少一组磁性组件，磁性组件的一部分朝向第一驱动组件，磁性组件的另一部分朝向第二驱动组件，磁性组件可驱动第一驱动组件和第二驱动组件移动，第一驱动组件和第二驱动组件分别带动图像传感器组件和镜头移动；这样，简化了摄像模组的结构，降低了摄像模组的组装难度。

Description

摄像模组及其组装方法、电子设备
本申请要求申请日为2021年03月19日、申请号为202110295108.8、申请名称为“摄像模组及电子设备”和申请日为2021年05月31日、申请号为202110603417.7、申请名称为“摄像模组及其组装方法、电子设备”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及移动终端技术领域，特别涉及一种摄像模组及其组装方法、电子设备。
背景技术
生活中，人们经常使用电子设备(例如智能手机、平板电脑等)进行拍照，电子设备的拍照质量，已经成为衡量终端设备的性能的重要标准之一。
用户在使用便携式电子设备(例如手机)进行拍摄时，通常以手持的方式进行。因此，经常会出现因为手部抖动，导致拍摄的影像出现模糊的问题。为了解决此问题，部分电子设备具有光学防抖功能，通过移动摄像模组的镜头或图像传感器，抵消手部抖动的移动量，以此提高拍摄的影像的质量。
然而，当前主流的摄像模组，零部件较多，组装工序复杂，且性能测试困难。
发明内容
本申请提供一种摄像模组及其组装方法、电子设备，摄像模组的结构简单，易于组装，可靠性高。
第一方面，本申请提供一种摄像模组，包括：壳体、固定支架、镜头、第一驱动组件、第二驱动组件和图像传感器组件；壳体的一侧表面上设有安装孔，镜头通过安装孔部分容纳在壳体内，固定支架设于壳体内，图像传感器组件位于壳体底部；固定支架包括第一固定部和第二固定部，第一固定部套设在镜头外，第二固定部的一端连接在第一固定部面向壳体底部的一侧，第二固定部的另一端支撑在壳体的内底壁上，第一固定部的内缘固定有至少一组磁性组件；
第一驱动组件位于第一固定部面向壳体底部的一侧，第一驱动组件的一侧表面朝向磁性组件的一部分，第一驱动组件的另一侧表面与图像传感器组件连接，磁性组件用于驱动第一驱动组件移动；第二驱动组件套设在镜头的外壁上，第二驱动组件朝向磁性组件的另一部分，磁性组件用于驱动第二驱动组件移动。
本申请提供的摄像模组，通过在壳体内设置固定支架，固定支架包括第一固定部和第二固定部，第一固定部套设在镜头外，第二固定部的一端连接在第一固定部朝向壳体底部的一侧，第二固定部的另一端支撑在壳体底部；通过在第一固定部的内缘设置磁性组件，磁性组件朝向第一驱动组件的部分用于驱动第一驱动组件移动，磁性组件朝向第二驱动组 件的部分用于驱动第二驱动组件移动，通过第一驱动组件和第二驱动组件分别驱动图像传感器组件和镜头移动。通过固定支架上设置的磁性组件，实现对第一驱动组件和第二驱动组件的驱动，简化了摄像模组的结构，摄像模组的组装工序简单，且易于对摄像模组的性能进行测试，提高了摄像模组的可靠性。
在一种可能的实施方式中，第二固定部包括多个间隔设置的支撑部，第一驱动组件和图像传感器组件位于多个支撑部围成的空间内。
在一种可能的实施方式中，第一固定部的内缘固定有至少两组磁性组件，两组磁性组件分别设置于第一固定部的相对两侧。
通过至少设置相对的两组磁性组件，通过两侧的磁性组件带动第一驱动组件及第二驱动组件移动，使图像传感器组件及镜头的移动更平稳。
在一种可能的实施方式中，磁性组件包括第一磁性件和第二磁性件，第一磁性件朝向第一驱动组件并驱动第一驱动组件移动，第二磁性件朝向第二驱动组件并驱动第二驱动组件移动。
通过设置第一磁性件和第二磁性件，依靠第一磁性件和第一驱动组件之间产生的磁力驱动第一驱动组件移动，依靠第二磁性件和第二驱动组件之间产生的磁力驱动第二驱动组件移动。
在一种可能的实施方式中，磁性组件还包括固定在第一固定部上的导磁件，导磁件包括第一导磁部和第二导磁部；第一导磁部朝向第一驱动组件，第一磁性件的表面与第一导磁部的表面贴合；第二导磁部朝向第二驱动组件，第二磁性件的表面与第二导磁部的表面贴合；
其中，第一导磁部和第二导磁部的磁性相反，第一磁性件和第一导磁部的磁性相反，第二磁性件和第二导磁部的磁性相反。
通过导磁件将第一磁性件和第二磁性件固定在第一固定部上；其中，通过导磁件的第一导磁部固定第一磁性件，第一导磁部依靠其和第一磁性件之间的磁吸引力，将第一磁性件吸附在其表面；通过导磁件的第二导磁部固定第二磁性件，第二导磁部依靠其和第二磁性件之间的磁吸引力，将第二磁性件吸附在其表面。
在一种可能的实施方式中，第一驱动组件包括支撑板和至少一个第一驱动线圈，第一驱动线圈设置在支撑板朝向磁性组件的一侧表面，第一驱动线圈与磁性组件相对设置。
通过设置支撑板来固定第一驱动线圈，通过使第一驱动线圈朝向磁性组件，第一驱动线圈和磁性组件产生磁力，通过调节第一驱动线圈中的电流大小和方向，改变第一驱动线圈和磁性组件之间的磁力大小和方向，实现第一驱动组件的移动。
在一种可能的实施方式中，第一固定部上设有至少一个第一限位部，支撑板面向第一固定部的一面设有至少一个第二限位部，第二限位部与第一限位部相对设置，且第一限位部和第二限位部之间设有滚珠，第一限位部和第二限位部通过滚珠接触。
通过在第一固定部上设置第一限位部，在支撑板上设置与第一限位部相对的第二限位部，通过在第一限位部和第二限位部之间设置滚珠，使第一固定部和支撑板之间滚动接触，以减小支撑板移动的阻力。
在一种可能的实施方式中，第一固定部上设有至少两个第一限位部，两个第一限位部相对设置；支撑板上设有至少两个第二限位部，各第二限位部与各第一限位部对应。
在一种可能的实施方式中，第一限位部和第二限位部中的一者上设有限位凹槽，滚珠在限位凹槽内移动。
通过在第一限位部或第二限位部上设置限位凹槽，将滚珠限制在限位凹槽内，防止滚珠从第一限位部和第二限位部之间脱落，保证支撑板和第一固定部接触稳定。
在一种可能的实施方式中，第一限位部和第二限位部之间具有间隙。
通过使滚珠的直径大于限位凹槽的深度，在第一限位部和第二限位部之间预留出间隙，避免第一限位部和第二限位部接触，防止第一限位部对支撑板的移动造成阻碍。
在一种可能的实施方式中，支撑板为导磁板。
支撑板面向第一固定部上的第一磁性件，通过使支撑板具有磁性，第一磁性件和支撑板之间产生磁吸引力，可保证第一驱动组件始终与第一固定部接触，避免第一驱动组件松脱。
在一种可能的实施方式中，第二驱动组件包括支承座和第二驱动线圈，支承座套设在镜头的外壁上，第二驱动线圈套设在支承座的外壁上。
通过第二驱动线圈和第二磁性件之间产生磁力，通过改变第二驱动线圈中电流的大小和方向，驱动第二驱动线圈移动，通过支承座将第二驱动线圈固定在镜头外壁上，以此实现第二驱动线圈带动镜头移动。
在一种可能的实施方式中，图像传感器组件包括图像传感器，图像传感器的散热面与壳体的内底壁之间具有空隙，该空隙内填充有导热液。
通过在图像传感器与壳体内底壁之间的空隙内填充导热液，图像传感器的散热面与导热液接触，通过导热液的热传导作用对图像传感器进行散热，提高图像传感器的散热效率。
在一种可能的实施方式中，壳体的内底壁上贴设有环状密封板，导热液位于环状密封板围成的区域内。
通过环状密封板对导热液进行密封，限定导热液的覆盖区域，使导热液所在的区域对应图像传感器的散热面。
在一种可能的实施方式中，环状密封板与图像传感器之间具有缝隙。
导热液吸收图像传感器的热量发生膨胀现象，导热液向外溢出，通过在环状密封板的表面与图像传感器之间预留缝隙，该缝隙可容纳溢出的导热液，为导热液预留出一定的流动空间。
在一种可能的实施方式中，环状密封板上间隔设有多个密封孔；或者，环状密封板的表面为凹凸不平的波纹面。
通过环状密封板上的密封孔储存溢出的导热液，并且由于导热液在环状密封板与图像传感器之间的缝隙内的表面张力作用，防止导热液溢出至环状密封板外；通过环状密封板的波纹面上的凹陷区域储存溢出的导热液，并且由于导热液在波纹面的凸起区域的顶部与图像传感器之间的缝隙内的表面张力作用，防止导热液溢出至环状密封板外。
在一种可能的实施方式中，环状密封板上间隔设置有多个条形槽，条形槽沿环状密封板的轮廓线方向延伸；其中，由环状密封板的内缘至外缘设置有多排条形槽，位于不同排的条形槽错开设置。
通过在密封板上间隔设置多个沿密封板的轮廓线方向延伸的条形槽，条形槽可以储存溢出的导热液，防止导热液溢出至环状密封板外；另外，间隔设置的条形槽对环状密封板 的强度影响较小；并且，通过使不同排的条形槽错开设置，可防止导热液越过条形槽后继续外溢。
在一种可能的实施方式中，图像传感器组件还包括柔性电连接件，柔性电连接件的一端连接在图像传感器上，柔性电连接件的另一端用于和外部电路连接。
在一种可能的实施方式中，柔性电连接件包括连接部、活动悬臂和固定部，连接部与图像传感器连接，固定部与外部电路连接，活动悬臂位于连接部和固定部之间；
其中，活动悬臂环绕图像传感器至少半圈。
通过设置活动悬臂，图像传感器移动带动活动悬臂变形和移动，避免柔性电连接件限制图像传感器的位移；其中，通过使活动悬臂环绕图像传感器至少半圈，活动悬臂至少包括沿不同方向延伸的两部分，活动悬臂可保证图像传感器在其所在平面内向任意方位移动。
第二方面，本申请提供一种摄像模组的组装方法，用于组装如上任一项所述的摄像模组，该组装方法包括：
提供镜头，并在镜头的外壁上套设第二驱动组件；
提供固定支架；其中，固定支架包括第一固定部和第二固定部，第二固定部连接在第一固定部的底面；
在第一固定部的内缘固定至少一组磁性组件；
将固定有磁性组件的固定支架套设在镜头外；其中，第二驱动组件朝向磁性组件的一部分；
提供第一驱动组件，并将第一驱动组件的一侧表面连接在固定支架上；其中，第一驱动组件朝向磁性组件的另一部分；
提供图像传感器组件，并将图像传感器组件固定在第一驱动组件的另一侧表面；
在固定支架的外部套设壳体。
第三方面，本申请提供一种电子设备，包括至少一个如上任一项所述的摄像模组。
本申请提供的电子设备，包括至少一个摄像模组，摄像模组通过在壳体内设置固定支架，固定支架包括第一固定部和第二固定部，第一固定部套设在镜头外，第二固定部的一端连接在第一固定部朝向壳体底部的一侧，第二固定部的另一端支撑在壳体底部；通过第一固定部的内缘设置磁性组件，磁性组件朝向第一驱动组件的部分用于驱动第一驱动组件移动，磁性组件朝向第二驱动组件的部分用于驱动第二驱动组件移动，通过第一驱动组件和第二驱动组件分别驱动图像传感器组件和镜头移动。通过固定支架上设置的磁性组件，实现对第一驱动组件和第二驱动组件的驱动，简化了摄像模组的结构，摄像模组的组装工序简单，且易于对摄像模组的性能进行测试，提高了摄像模组的可靠性。
附图说明
图1为本申请实施例提供的电子设备的结构示意图；
图2为图1的局部爆炸图；
图3为本申请实施例提供的摄像模组的结构示意图；
图4为图3的爆炸图；
图5为图3的主视图；
图6为图5中的A-A剖视图；
图7为本申请实施例提供的摄像模组的内部结构示意图；
图8为图7的爆炸图；
图9为图7中去除固定支架之后的结构示意图；
图10为本申请实施例提供的磁性组件的结构示意图；
图11为本申请实施例提供的固定支架的结构示意图；
图12为图7的主视图；
图13为图12中B-B的剖视图；
图14为本申请实施例提供的图像传感器接触底板的爆炸图；
图15为本申请实施例提供的一种环状密封板的结构示意图；
图16为本申请实施例提供的图像传感器组件的结构示意图。
附图标记说明：
100-电子设备；
1-摄像模组；2-外壳；21-后盖；211-透光孔；22-中框；3-显示面板；4-电路板；
11-壳体；12-固定支架；13-镜头；14-第一驱动组件；15-第二驱动组件；16-图像传感器组件；17-磁性组件；18-导热液；19-环状密封板；
111-外框；112-底板；121-第一固定部；122-第二固定部；123-定位板；141-支撑板；142-第一驱动线圈；151-支承座；152-第二驱动线圈；161-图像传感器；162-柔性电连接件；163-透光板；171-第一磁性件；172-第二磁性件；173-导磁件；191-密封孔；192-条形槽；
1111-安装孔；1211-第一限位部；1221-支撑部；1411-第二限位部；1421-减重孔；1621-连接部；1622-活动悬臂；1623-安装部；1731-第一导磁部；1732-第二导磁部；
1211a-限位凹槽；1211b-滚珠。
具体实施方式
本申请的实施方式部分使用的术语仅用于对本申请的具体实施例进行解释，而非旨在限定本申请。
随着科技的不断进步，拍摄功能已逐渐成为手机、平板电脑、笔记本电脑、个人数字助理(Personal Digital Assistant，PDA)、智能穿戴设备、销售终端(Point of Sales，POS)等移动终端的基本配备。
图1为本申请实施例提供的电子设备的结构示意图；图2为图1的局部爆炸图。参照图1和图2所示，以手机为例，对本申请的电子设备100进行说明。应当理解的是，本实施例的电子设备100包括但不限于为手机，电子设备100还可以为上述平板电脑、笔记本电脑、PDA、智能穿戴设备或POS等移动终端。
参照图1和图2所示，电子设备100可以包括外壳2、显示面板3、摄像模组1及电路板4。外壳2围设在电子设备100的背面和侧面，显示面板3安装在外壳2上，显示面板3和外壳2共同围成电子设备100的容纳空间，摄像模组1及电路板4均安装于该容纳空间内。此外，容纳空间内还可以设置麦克风、扬声器或者电池等器件。
结合图1所示，示出了摄像模组1位于外壳2顶部靠近边缘的区域。可以理解的是，摄像模组1的位置不限于图1所示的位置。
参照图2所示，在一些实施例中，外壳2可以包括后盖21和中框22，后盖21上设有透光 孔211，摄像模组1可以设置在中框22上，摄像模组1通过后盖21上的透光孔211采集外部环境光线。其中，摄像模组1的感光面和透光孔211相对设置，外部环境光线穿过透光孔211照射至感光面，感光面用于采集外部环境光线，摄像模组1用于将光信号转换为电信号，以实现其拍摄功能。
图2示出了电子设备100内设有一个摄像模组1，应说明，在实际应用中，摄像模组1的数量不局限于为一个，摄像模组1的数量也可以为两个或大于两个。当摄像模组1的数量为多个时，多个摄像模组1可在X-Y平面内任意排布。例如，多个摄像模组1沿X轴方向排布，或者，多个摄像模组1沿Y轴方向排布。
此外，摄像模组1包括但不限于为自动对焦(Auto Focus，AF)模组、定焦(Fix Focus，FF)模组、广角摄像模组1、长焦摄像模组1、彩色摄像模组1或者黑白摄像模组1。电子设备100内的摄像模组1可以包括上述任一种摄像模组1，或者，包括上述其中两个或两个以上摄像模组1。当摄像模组1的数量为两个或者两个以上时，两个或者两个以上的摄像模组1可以集成为一个摄像组件。
参照图2所示，摄像模组1可以和电路板4电连接。电路板4例如为电子设备100内的主板，作为一种实施方式，摄像模组1可以通过电连接器与主板电连接。例如，摄像模组1设有电连接器的母座，主板设有电连接器的公座，通过将母座插接于公座，以实现摄像模组1与主板的电连接。其中，主板上例如设有处理器，通过处理器控制摄像模组1拍摄图像。当用户输入拍摄指令时，处理器接收拍摄指令，并根据拍摄指令控制摄像模组1对拍摄对象进行拍摄。
以下对本申请实施例的电子设备100中的摄像模组1进行详细介绍。
图3为本申请实施例提供的摄像模组的结构示意图；图4为图3的爆炸图。参照图3和图4所示，本实施例的摄像模组1包括壳体11、镜头13和图像传感器组件16。壳体11的一侧表面设有安装孔1111，壳体11内部中空，形成容纳空间，镜头13通过安装孔1111安装在壳体11上，且镜头13的部分位于壳体11内的容纳空间内，镜头13的另一部分暴露在壳体11外部；图像传感器组件16设于壳体11内，例如，图像传感器组件16设于壳体11的底部。
图5为图3的主视图；图6为图5中的A-A剖视图。参照图6所示，镜头13的入光侧位于壳体11外部，镜头13的出光侧位于壳体11内部。例如，镜头13的入光侧与电子设备100后盖21上的透光孔211相对应，外部环境光线经过透光孔211由镜头13的入光侧进入镜头13，镜头13例如由一个或多个层叠的透镜构成，镜头13的光轴穿过透镜的中心，透镜对入射光线进行聚光，汇聚后的光线从镜头13的出光侧射出。
图像传感器组件16位于镜头13的出光光路上，例如，图像传感器组件16位于镜头13的出光侧，且镜头13的光轴穿过图像传感器组件16的中心。从镜头13出射的光线进入图像传感器组件16，通过图像传感器组件16的光电转换作用，将出射光线信号转换为电信号，以实现摄像模组1的成像功能。
结合图4所示，本实施例中，壳体11可以包括外框111和底板112，外框111和底板112共同围成壳体11的容纳空间。通过设置可拆卸的底板112，便于将摄像模组1的镜头13、图像传感器组件16及其他器件安装在壳体11内。其中，安装孔1111位于外框111与底板112相对的一侧表面，镜头13沿其光轴方向穿过安装孔1111安装于壳体11内，图像 传感器组件16靠近底板112设置。
继续参照图6，本实施例的摄像模组1还包括第一驱动组件14和第二驱动组件15，第一驱动组件14和第二驱动组件15设于壳体11内。具体的，第一驱动组件14用于驱动图像传感器组件16移动，例如，第一驱动组件14可驱动图像传感器组件16在垂直于镜头13的光轴方向上，在其自身所在的平面内平移或者旋转，以实现摄像模组1的防抖功能；第二驱动组件15用于驱动镜头13移动，例如，第二驱动组件15可驱动镜头13沿其自身的光轴方向移动，以实现摄像模组1的对焦功能。
本实施例的摄像模组1，壳体11内还设置有固定支架12，第一驱动组件14和第二驱动组件15通过固定支架12可活动的安装于壳体11内。图7为本申请实施例提供的摄像模组的内部结构示意图；图8为图7的爆炸图。参照图7和图8所示，固定支架12套设在镜头13外，固定支架12包括第一固定部121和第二固定部122，第二固定部122的一端连接在第一固定部121面向壳体11底部的一侧，第二固定部122的另一端支撑在壳体11的内底壁上。
第一固定部121例如为围设在镜头13外侧的环状部，第一固定部121靠近镜头13外侧壁的内缘固定有至少一组磁性组件17，磁性组件17用于驱动第一驱动组件14和第二驱动组件15移动。
具体的，结合图6所示，第一驱动组件14位于第一固定部121面向壳体11底部的一侧，第一驱动组件14的一侧表面朝向磁性组件17的一部分，例如，磁性组件17的一部分朝向壳体11的底板112，第一驱动组件14朝向磁性组件17的该部分，第一驱动组件14的另一侧表面与图像传感器组件16连接。第一驱动组件14可以产生磁场，且第一驱动组件14和磁性组件17之间可以产生磁力，通过改变第一驱动组件14和磁性组件17之间的磁力，可驱动第一驱动组件14移动。
其中，第一驱动组件14和磁性组件17之间可以沿镜头13的光轴方向设置，第一驱动组件14的板面垂直于镜头13的光轴方向，通过改变第一驱动组件14和磁性组件17之间的磁力大小，驱动第一驱动组件14沿与镜头13的光轴垂直的方向移动，例如，第一驱动组件14在其所在的平面内平移或旋转，以带动图像传感器组件16平移或旋转，补偿用户手抖产生的位移量，防止拍摄到的图像出现模糊现象，提高图像的清晰度，提升摄像模组1拍摄的图像的品质。
第二驱动组件15套设在镜头13外，例如，第二驱动组件15固定在镜头13的外壁上，第二驱动组件15移动可带动镜头13移动。第二驱动组件15位于第一固定部121内缘的内侧，第二驱动组件15朝向磁性组件17的另一部分，例如，磁性组件17的另一部分朝向镜头13的外壁，第二驱动组件15朝向磁性组件17的该部分。
与第一驱动组件14同样的，第二驱动组件15可以产生磁场，且第二驱动组件15和磁性组件17之间可以产生磁力，通过改变第二驱动组件15和磁性组件17之间的磁力，可驱动第二驱动组件15移动。其中，磁性组件17例如可以驱动第二驱动组件15沿镜头13的光轴方向移动，第二驱动组件15带动镜头13沿其光轴方向移动，以调整镜头13的焦距。
固定支架12通过第二固定部122支撑在壳体11的底部，第二固定部122限定出第一固定部121和壳体11的内底壁之间的空间，该空间内至少用于容纳第一驱动组件14和图 像传感器组件16。参照图8所示，在一种具体实施方式中，第二固定部122可以包括多个间隔设置的支撑部1221，各支撑部1221均与第一固定部121朝向壳体11底部的一侧表面连接，第一驱动组件14和图像传感器组件16位于各支撑部1221围成的空间内。
参照图8所示，以第一固定部121外缘的轮廓为矩形结构为例，支撑部1221可以包括四个，四个支撑部1221分别位于第一固定部121的四个角部。
磁性组件17固定连接在第一固定部121的内缘，第一驱动组件14活动连接在第一固定部121面向壳体11底部的一侧，图像传感器组件16与第一驱动组件14固定连接。以第一驱动组件14在自身所在平面内平移或旋转为例，图像传感器组件16随第一驱动组件14平移或旋转，图像传感器组件16与壳体11的内底壁之间应具有空隙，以避免图像传感器组件16的移动受到壳体11内底壁的阻碍。
参照图8所示，在一种实施方式中，第一固定部121的内缘可以固定有至少两组磁性组件17，以两组磁性组件17为例，该两组磁性组件17可以设置于第一固定部121的相对两侧。通过两组磁性组件17驱动第一驱动组件14及第二驱动组件15移动，可增强磁性组件17对第一驱动组件14和第二驱动组件15的驱动力；且两组磁性组件17相对设置，可保证第一驱动组件14带动图像传感器组件16平稳移动，保证第二驱动组件15带动镜头13平稳移动，避免图像传感器161和镜头13在移动过程中发生偏斜。
另外，第一固定部121的内缘固定的磁性组件17的数量还可以为四组、六组或者八组等，本实施例对此不做限制。其中，多组磁性组件17两两相对设置。
示例性的，摄像模组1的外壳2例如可以为长方体形状，例如，外壳2沿与镜头13的轴向垂直的方向的横截面形状为矩形。与壳体11的形状相匹配的，固定支架12的第一固定部121可以为矩形框结构，镜头13的部分穿设在矩形框围成的区域内。以第一固定部121的内缘设置有两两相对的两组或四组磁性组件17为例，矩形框的内缘的轮廓可以为矩形；若第一固定部121的内缘设置有两两相对的六组或八组磁性组件17，矩形框的内缘的轮廓相应可以为六边形或八边形。
本实施例中，通过在固定支架12上设置磁性组件17，磁性组件17固定在第一固定部121的内缘，第一驱动组件14和图像传感器组件16位于第二固定部122围成的空间内，磁性组件17朝向第一驱动组件14的部分驱动第一驱动组件14移动，第二驱动组件15套设在镜头13外壁上，磁性组件17朝向第二驱动组件15的部分驱动第二驱动组件15移动，简化了摄像模组1的结构，降低了摄像模组1的组装难度。另外，第一驱动组件14和第二驱动组件15可同步制造完成并进行性能测试，可精准测试摄像模组1的防抖性能，提高了摄像模组1的可靠性。
图9为图7中去除固定支架之后的结构示意图；图10为本申请实施例提供的磁性组件的结构示意图。参照图9和图10所示，磁性组件17包括第一磁性件171和第二磁性件172，第一磁性件171朝向第一驱动组件14，第二磁性件172朝向第二驱动组件15。第一磁性件171用于驱动第一驱动组件14移动，第二磁性件172用于驱动第二驱动组件15移动。
具体的，第一磁性件171固定在第一固定部121朝向第一驱动组件14的一侧表面，且第一磁性件171面向第一驱动组件14的表面；第二磁性件172固定在第一固定部121朝向第二驱动组件15的一侧表面，且第二磁性件172面向第二驱动组件15的表面。示例性的，第一磁性件171可以沿与镜头13的光轴垂直的方向布置，第二磁性件172可以沿镜头13的光轴方 向布置，第一磁性件171与第二磁性件172相互垂直。
结合图8所示，本实施例中，第一驱动组件14包括支撑板141和第一驱动线圈142，支撑板141的板面例如可以垂直于镜头13的光轴，第一驱动线圈142设在支撑板141朝向第一磁性件171的表面上，图像传感器组件16与支撑板141的另一侧表面连接。其中，第一驱动线圈142对应第一磁性件171设置，与第一磁性件171的数量相匹配的，第一驱动线圈142的数量可以为一个或多个。
第一驱动线圈142固定在支撑板141上，例如，第一驱动线圈142可以粘贴或焊接在支撑板141上，或者，第一驱动线圈142通过螺栓或螺钉等连接件锁固在支撑板141上。另外，为了减轻第一驱动组件14的自重，第一驱动线圈142可以开设有减重孔1421，这样有利于第一驱动组件14的移动。
第一驱动组件14可以和外部电路连接，例如，第一驱动组件14和电子设备100中的电路板4电连接。当用户手持电子设备100进行拍摄时，电路板4控制第一驱动组件14工作，第一驱动线圈142通电产生电磁场，第一驱动线圈142和第一磁性件171之间产生磁力，该磁力驱动第一驱动线圈142移动，第一驱动线圈142通过支撑板141带动图像传感器组件16移动。
在实际应用中，电子设备100中通常还设置有加速传感器，通过加速传感器检测电子设备100的移动方向及移动量。例如，加速传感器检测拍摄时用户手部抖动的方向及抖动量，加速传感器将该抖动信号传输至电路板4中的处理器，处理器根据该抖动信号确定图像传感器组件16需要补偿的移动方向及移动量，并控制第一驱动线圈142中电流的方向和大小，调节第一驱动线圈142和第一磁性件171之间产生的磁场方向和磁力大小，从而控制第一驱动组件14的移动方向和移动量，第一驱动组件14带动图像传感器组件16移动。例如，第一驱动组件14带动图像传感器组件16在其所在平面内平移或旋转，以补偿用户拍摄时手部抖动的干扰，改善图像的模糊现象，提升图像的质量。
参照图9所示，本实施例中，第二驱动组件15包括支承座151和第二驱动线圈152。支承座151套设在镜头13的外壁上，用于对镜头13进行支撑。示例性的，镜头13的外壁可以设有外螺纹，支承座151的内壁设有内螺纹，支承座151与镜头13的外壁螺纹连接。第二驱动线圈152套设在支承座151的外壁上，第二驱动线圈152与支承座151固定连接。
第二驱动组件15可以和电子设备100中的电路板4电连接。当用户手持电子设备100进行拍摄时，电路板4控制第二驱动组件15工作，第二驱动线圈152通电产生电磁场，第二驱动线圈152和第二磁性件172之间产生磁力，该磁力驱动第二驱动线圈152移动，第二驱动线圈152通过支承座151带动镜头13移动。
用户拍摄图像时输入拍摄指令，例如，用户通过操作电子设备100的显示界面输入聚焦指令，电子设备100中的电路板4接收该聚焦指令，并控制第二驱动线圈152中的电流方向和大小，调节第二驱动线圈152和第二磁性件172之间产生的磁场方向和磁力大小，从而控制第二驱动组件15的移动方向和移动量，第二驱动组件15带动镜头13移动。例如，第二驱动组件15带动镜头13沿其光轴方向移动，以对拍摄对象进行聚焦。
另外，为了使第二驱动线圈152和第二磁性件172的各部位之间产生均衡的磁力，第二驱动线圈152表面与第二磁性件172相对的区域可以与第二磁性件172的表面平行。以第一固定部121内缘沿其周向均匀间隔设置有四个第二磁性件172为例，第二驱动线圈152可以 大致为矩形线圈，第二驱动线圈152的各边与第二磁性件172对应。或者，第一固定部121的内缘沿其周向均匀间隔设置有六个或八个第二磁性件172，第二驱动线圈152相应为大致的六边形线圈或八边形线圈。
镜头13的外壁通常为圆柱面，因而，支承座151可以为圆环结构件，对于第二驱动线圈152为矩形线圈、六边形线圈或八边形线圈等情况，第二驱动线圈152内壁的部分区域可以固定在支承座151的外壁上，例如，第二驱动线圈152的这些区域粘接或焊接在支承座151的外壁上。
在一些实施例中，第一磁性件171和第二磁性件172可以固定在第一固定部121上。具体的，第一磁性件171固定在第一固定部121朝向第一驱动组件14的一侧表面上，第二磁性件172固定在第一固定部121朝向第二驱动组件15的一侧表面上。例如，第一磁性件171和第二磁性件172可以粘在第一固定部121的表面上。
结合图6所示，在另一些实施例中，磁性组件17还可以包括导磁件173，导磁件173固定在第一固定部121上，通过导磁件173固定第一磁性件171和第二磁性件172。其中，导磁件173包括第一导磁部1731和第二导磁部1732，第一导磁部1731朝向第一驱动组件14，第二导磁部1732朝向第二驱动组件15，第一磁性件171固定在第一导磁部1731上，第二磁性件172固定在第二导磁部1732上。
参照图10所示，以第一磁性件171和第二磁性件172相互垂直为例，导磁件173的第一导磁部1731和第二导磁部1732可以相互垂直。其中，第一导磁部1731和第二导磁部1732的磁极，例如，第一导磁部1731为北极(N极)，第二导磁部1732为南极(S极)；或者，第一导磁部1731为S极，第二导磁部1732为N极。
第一磁性件171的表面贴合在第一导磁部1731的表面上，第二磁性件172的表面贴合在第二导磁部1732的表面上。第一磁性件171可以通过磁性吸附作用吸附在第一导磁部1731的表面，第二磁性件172也可以通过磁性吸附作用吸附在第二导磁部1732的表面。
示例性的，第一导磁部1731为N极，第一磁性件171吸附在第一导磁部1731的一侧为S极，第一磁性件171朝向第一驱动组件14的一侧为N极；第二导磁部1732为S极，第二磁性件172吸附在第二导磁部1732的一侧为N极，第二导磁件173朝向第二驱动组件15的一侧为S极。
或者，第一导磁部1731为S极，第一磁性件171吸附在第一导磁部1731的一侧为N极，第一磁性件171朝向第一驱动组件14的一侧为S极；第二导磁部1732为N极，第二磁性件172吸附在第二导磁部1732的一侧为S极，第二导磁件173朝向第二驱动组件15的一侧为N极。
为了使第一磁性件171及第二磁性件172与导磁件173连接牢固，在第一磁性件171和第二磁性件172均通过磁性吸附作用吸附在导磁件173表面的基础上，第一磁性件171与第一导磁部1731之间及第二磁性件172与第二导磁部1732之间还可以通过粘合剂连接。例如，第一磁性件171及第二磁性件172均通过强力胶粘在导磁件173上。
导磁件173可以粘贴或焊接在第一固定部121上，具体的，结合图6所示，第一固定部121朝向镜头13的侧壁和第一固定部121朝向壳体11底部的侧壁可以相互垂直，导磁件173的第一导磁部1731的表面与第一固定部121朝向壳体11底部的表面贴合，导磁件173的第二导磁部1732的表面与第一固定部121朝向镜头13的侧壁贴合。
图11为本申请实施例提供的固定支架的结构示意图。参照图11所示，固定支架12上还 可以设有定位板123，定位板123对导磁件173的固定具有加强作用，保证导磁件173和第一固定部121连接牢靠。作为一种具体实施方式，定位板123可以支撑在导磁件173的折弯部位，即定位板123位于第一导磁部1731和第二导磁部1732的连接部位。与第一导磁部1731和第二导磁部1732的连接部位的结构相匹配的，定位板123可以包括相互垂直的两部分。
定位板123与第一固定部121之间具有缝隙，该缝隙的宽度与导磁件173的厚度相匹配，导磁件173的一侧与第一固定部121贴合，导磁件173的另一侧表面的折弯部位与定位板123贴合。示例性的，定位板123的两端分别与两侧的支撑部1221连接；或者，第一固定部121上具有用于固定定位板123的结构，定位板123的两端固定在第一固定部121上。
图12为图7的主视图；图13为图12中B-B的剖视图。参照图13所示，本实施例中，第一驱动组件14和第一固定部121之间滚动接触，具体是支撑板141面向第一固定部121的一侧表面与第一固定部121的表面之间滚动接触，以保证第一驱动组件14在其所在平面内移动顺畅。
具体的，第一固定部121上设有第一限位部1211，支撑板141面向第一固定部121的一面设有第二限位部1411，第二限位部1411与第一限位部1211相对设置，且第一限位部1211和第二限位部1411之间设有滚珠1211b，第一限位部1211和第二限位部1411通过滚珠1211b接触。
结合图8和图11所示，示例性的，第一限位部1211可以是位于第一固定部121朝向支撑板141的一侧表面上的限位凸台，第二限位部1411可以为支撑板141上的限位凸台，该限位凸台朝向第一固定部121凸起，滚珠1211b位于第一限位部1211和第二限位部1411之间。当支撑板141在其所在的平面内移动时，滚珠1211b在第一限位部1211和第二限位部1411之间滚动，支撑板141和第一固定部121之间不接触，可减小两者之间的摩擦，确保支撑板141灵活移动。
本实施例中，第一固定部121上至少设置有一个第一限位部1211，支撑板141上至少设置有一个第二限位部1411。为了使支撑板141与第一固定部121接触稳定，保证支撑板141平稳移动，第一固定部121上设有至少两个第一限位部1211，支撑板141上设有至少两个第二限位部1411。
以第一固定部121和支撑板141分别设有两个第一限位部1211和两个第二限位部1411为例，两个第一限位部1211可以分别位于第一固定部121的相对两侧，与两个第一限位部1211相对应的，两个第二限位部1411可以分别位于支撑板141的相对两侧，以此保证支撑板141两侧平衡，确保支撑板141的稳定性。
可以理解的是，第一固定部121上设置的第一限位部1211的数量不限于为两个，第一限位部1211的数量还可以为四个、六个或八个等；与第一限位部1211相对应的，支撑板141上设置的第二限位部1411的数量也不限于为两个，第二限位部1411的数量还可以为四个、六个或八个等。其中，多个第一限位部1211和多个第二限位部1411均可以两两对称设置，保证支撑板141的平衡性。
滚珠1211b在滚动过程中，其位置可能发生偏移，为了限定滚珠1211b的移动范围，避免滚珠1211b从第一限位部1211和第二限位部1411之间掉出，在一种实施方式中，第一限位部1211和第二限位部1411中的一者上可以设有限位凹槽1211a，滚珠1211b在限位凹槽1211a内移动。
参照图11和图13所示，示例性的，第一限位部1211面向第二限位部1411的一侧表面开设有限位凹槽1211a，滚珠1211b位于限位凹槽1211a内且与第二限位部1411的表面接触。其中，限位凹槽1211a的内径可以与滚珠1211b的外径相匹配，滚珠1211b在限位凹槽1211a内旋转且滚珠1211b的位置固定；或者，限位凹槽1211a的内径可以大于滚珠1211b的外径，滚珠1211b可在限位凹槽1211a内旋转和移动。
另外，参照图13所示，滚珠1211b的直径可以大于限位凹槽1211a的深度，滚珠1211b的一部分位于限位凹槽1211a内，滚珠1211b的另一部分暴露在限位凹槽1211a外。暴露在限位凹槽1211a外的滚珠1211b的部分位于第一限位部1211的表面和第二限位部1411的表面之间，这样，第一限位部1211和第二限位部1411之间具有间隙，避免了第一限位部1211和第二限位部1411接触，以免第一限位部1211对支撑板141的移动造成阻碍。
结合图6所示，本实施例中，通过支撑板141上的第一驱动线圈142与第一固定部121上的第一磁性件171之间的磁吸引力，第一驱动组件14通过磁性吸附作用活动连接在第一固定部121上，且通过在第一固定部121上的第一限位部1211和支撑板141上的第二限位部1411之间设置滚珠1211b，使支撑板141和第一固定部121之间具有间隙且两者滚动接触。
在此基础上，为了确保支撑板141与第一固定部121接触稳定，在一种实施方式中，支撑板141可以为导磁板。这样，第一固定部121上的第一磁性件171对支撑板141产生磁吸引力，不仅第一驱动线圈142和第一磁性件171之间具有磁力，支撑板141与第一磁性件171之间也具有磁力，因而，可以增强第一驱动组件14与第一磁性件171之间的磁吸引力，保证支撑板141始终与第一固定部121接触，避免支撑板141松脱。
需要说明的是，参照图11所示，固定支架12可以为一体成型件，第一固定部121和第二固定部122为一个整体，第二固定部122形成在第一固定部121朝向壳体11底部的一侧。
在其他实施例中，第一固定部121和第二固定部122也可以单独设计加工，第一固定部121和第二固定部122连接在一起构成固定支架12。例如，第一固定部121和第二固定部122之间粘接、焊接或通过螺栓、螺钉、铆钉等连接件连接。对此，第一固定部121可以为环状件，第二固定部122可以包括多个单独的支撑部1221；或者，第二固定部122包括一个环状部作为主体，该环状部与第一固定部121相匹配，环状部与第一固定部121贴合连接，各支撑部1221连接在环状部上。其中，位于固定支架12上的第一限位部1211可以形成在第一固定部121或第二固定部122上。
参照图4和图6所示，本实施例提供的摄像模组1中，图像传感器组件16包括图像传感器161和柔性电连接件162。图像传感器161位于镜头13的出光侧，例如，镜头13的光轴穿过图像传感器161的中心。从镜头13出射的光线照射至图像传感器161，图像传感器161将该出射光线信号经光电转换，转换为电信号，实现摄像模组1的成像功能。
柔性电连接件162用于将图像传感器161电连接至外部电路，进而，通过外部电路控制图像传感工作。具体的，柔性电连接件162的一端连接在图像传感器161上，柔性电连接件162的另一端和外部电路连接，例如，柔性电连接件162的另一端与电子设备100中的电路板4连接。当用户拍摄时，电路板4上的处理器控制图像传感器161工作。
图像传感器161在工作过程中会产生热量，热量在图像传感器161上汇集，会影响图像传感器161的性能，严重时会导致图像传感器161无法正常工作，因此，需要对图像传感器161进行散热。相关技术中，图像传感器161通过其与壳体11底部之间的气隙散热，散热效 率低，图像传感器161无法以高功耗模式长时间工作。例如，用户启动电子设备100上的相机5分钟后，图像传感器161进入热保护模式，停止工作。
图14为本申请实施例提供的图像传感器接触底板的爆炸图。参照图6和图14所示，本实施例中，图像传感器161的散热面(图像传感器161朝向壳体11内底壁的一侧表面)与壳体11的内底壁(底板112)之间具有空隙，该空隙内填充有导热液18，通过导热液18对图像传感器161进行散热。
图像传感器161的散热面的热量，通过热传导作用传递至导热液18，导热液18将热量传导至底板112，通过底板112向外界散发热量，以此对图像传感器161进行散热。通过导热液18的热传导作用，可以提高图像传感器161的散热效率，提升图像传感器161的散热效果，进而保证图像传感器161的工作性能。
参照图14所示，壳体11的底板112上贴设有环状密封板19，导热液18位于环状密封板19围设的区域内。导热液18为可流动的液体，通过在壳体11底板112上设置环状密封板19，将导热液18限制在环状密封板19围成的区域内。其中，环状密封板19围成的区域可以对应图像传感器161的散热面，这样，导热液18所在的区域与图像传感器161的散热面对应，保证导热液18对图像传感器161的热传导效果。
为了使导热液18与图像传感器161的散热面接触充分，环状密封板19与图像传感器161的散热面之间可以具有间隙，导热液18的液面可以高于环状密封板19的表面。需要说明的是，由于环状密封板19与图像传感器161之间的缝隙很小，通过导热液18在该缝隙内的表面张力作用，可避免导热液18溢出至环状密封板19外。
另外，导热液18吸收图像传感器161的热量后，温度升高，其体积会有一定的膨胀，导致导热液18向外溢出，而环状密封板19与图像传感器161之间的缝隙可容纳导热液18的膨胀量，加上该缝隙的毛细作用，可将导热液18限制在环状密封板19所在的区域内，以免导热液18溢出环状密封板19外，对摄像模组1的其他器件造成影响。
参照图14所示，在一种实施方式中，环状密封板19上可以间隔设置有多个密封孔191。通过设置多个密封孔191，导热液18沿环状密封板19的表面向外溢出时，导热液18进入各密封孔191内，通过密封孔191对导热液18密封储存，可避免导热液18溢出至环状密封板19外。
在其他实施方式中，作为密封孔191的替代，环状密封板19的表面可以为凹凸不平的波纹面。导热液18沿环状密封板19的表面向外溢出时，波纹面的相邻两个凸起之间的凹陷区域用于储存导热液18，波纹面的凸起区域的顶部与图像传感器161之间形成缝隙，通过导热液18在该缝隙内的表面张力作用，可防止导热液18向外扩散，因此，波纹面可防止导热液18溢出至环状密封板19外。
在环状密封板19表面加工波纹面来密封和储存导热液18时，为了防止导热液18沿波纹面的凹陷区域流动至环状密封板19的端部，可以在环状密封板19的外缘设置止挡沿，止挡沿的高度大于波纹面凹陷区域的厚度，例如，止挡沿与波纹面的凸起区域的顶部平齐。
另外，波纹面的波纹的延伸方向(凸起区域和凹陷区域的延长方向)可以与环状密封板19的各侧边的延伸方向一致。以环状密封板19为矩形框结构为例，环状密封板19其中一侧的波纹面的波纹延伸方向与该侧边的延长方向一致，这样，导热液18向外溢出时需要越过波纹面上的凸起到达相邻的凹陷区域，波纹面可有效阻止导热液18向外溢出。
图15为本申请实施例提供的一种环状密封板的结构示意图。参照图15所示，在另一种实施方式中，作为密封孔191的替代，还可以在环状密封板19的表面上间隔设置多个该条形槽192沿环状密封板19的轮廓线方向延伸。以环状密封板19的轮廓为矩形框为例，条形槽192可以沿环状密封板19的边长方向延伸；其中，位于环状密封板19的角部的条形槽192可以向两边延长，例如，位于环状密封板19的角部的条形槽192为垂直弯曲的条形槽192。
如此设置，导热液18外溢时，条形槽192可以储存导热液18；并且，由于条形槽192的延伸方向大致与导热液18的溢出方向垂直，因而，条形槽192会阻碍导热液18向外溢出。
可以理解的是，通过在环状密封板19的表面上间隔设置条形槽192，相邻条形槽192之间不连通，对环状密封板19的强度影响较小，可防止环状密封板19弯折甚至断裂。另外，以图15中所示，沿a线弯折环状密封板19为例，由于弯折处两端的条形槽192的延伸方向与中部的条形槽192的延伸方向垂直，因而，会增强环状密封板19的强度。
另外，参照图15所示，由环状密封板19的内缘至外缘可以间隔设置有多排条形槽192，并且，不同排的条形槽192之间前后错开设置。这样，由环状密封板19的内缘至外缘的方向上，相邻条形槽192之间形成的间隔也前后错开，当靠近内缘的条形槽192内的导热液18外溢时，导热液18从该条形槽192端部溢出至靠近外缘的条形槽192内被储存，可防止导热液18外溢。
示例性的，环状密封板19可以为橡胶板或硅胶板。以环状密封板19上间隔设置多个密封孔191为例，环状密封板19为多孔橡胶板或多孔硅胶板。
图16为本申请实施例提供的图像传感器组件的结构示意图。参照图16所示，连接在图像传感器161上的柔性电连接件162可以包括连接部1621、活动悬臂1622和安装部1623，连接部1621与图像传感器161连接，安装部1623与外部电路(例如电子设备100的电路板4)连接，活动悬臂1622位于连接部1621和安装部1623之间。
连接部1621连接在图像传感器161的一侧表面，活动悬臂1622围绕图像传感器161延伸，且活动悬臂1622位于摄像模组1的壳体11内部，安装部1623的一端与活动悬臂1622连接，安装部1623伸出至壳体11外，且安装部1623朝向电路板4延伸，安装部1623的另一端与电路板4连接。例如，安装部1623的端部和电路板4之间通过电连接器连接。
其中，活动悬臂1622为柔性电连接件162中可活动的部分，图像传感器161随第一驱动组件14移动时，活动悬臂1622随之产生相应的变形和移动，以免柔性电连接件162对图像传感器161的移动造成限制。
本实施例中，活动悬臂1622可以环绕图像传感器161至少半圈。例如，连接部1621连接在图像传感器161一侧的侧边，活动悬臂1622从与连接部1621连接的侧边环绕图像传感器161延伸至相邻的侧边，这样，活动悬臂1622至少包括沿不同方向延伸的两部分，活动悬臂1622可使图像传感器161在其所在平面内向任意方位移动。
参照图16所示，在一种具体实施方式中，活动悬臂1622可以环绕图像传感器161一圈，以柔性电连接件162作为整体来说，柔性电连接件162由其与图像传感器161连接的一端环绕图像传感器161一圈后，伸出至壳体11外。这样，活动悬臂1622可以为图像传感器161提供足够的自由度，使图像传感器161的移动不受限制。应说明，活动悬臂1622为弹性悬臂，活动悬臂1622变形后可以恢复初始形状，以为图像传感器161的移动提供可靠的保障。
另外，柔性电连接件162的连接部1621可以与图像传感器161的表面保持水平，而活动 悬臂1622与图像传感器161的表面垂直，这样易于活动悬臂1622的变形和移动，安装部1623由于伸出至壳体11外并与电路板4连接，因而，安装部1623可以贴合在电子设备100后盖21的内壁上，安装部1623也与图像传感器161的表面保持水平。
结合图6所示，在一些实施例中，图像传感器组件16还可以包括透光板163，该透光板163可以为透明保护板，透光板163用于保护图像传感器161不受损伤。或者，透光板163可以为滤光板，透光板163用于滤除特定波长的光线；示例性的，透光板163用于滤除不可见光线，例如滤除红外线或紫外线。
本实施例提供的摄像模组1，通过在壳体11内设置固定支架12，固定支架12包括第一固定部121和第二固定部122，第一固定部121套设在镜头13外，第二固定部122的一端连接在第一固定部121朝向壳体11底部的一侧，第二固定部122的另一端支撑在壳体11底部；通过在第一固定部121的内缘设置磁性组件17，磁性组件17朝向第一驱动组件14的部分用于驱动第一驱动组件14移动，磁性组件17朝向第二驱动组件15的部分用于驱动第二驱动组件15移动，通过第一驱动组件14和第二驱动组件15分别驱动图像传感器组件16和镜头13移动。通过固定支架12上设置的磁性组件17，实现对第一驱动组件14和第二驱动组件15的驱动，简化了摄像模组1的结构，摄像模组1的组装工序简单，且易于对摄像模组1的性能进行测试，提高了摄像模组1的可靠性。
本实施例还提供一种摄像模组的组装方法，该组装方法用于组装如前所述的摄像模组1。具体的，该组装方法包括如下步骤：
提供镜头13，并在镜头13的外壁上套设第二驱动组件15。
提供固定支架12，该固定支架12包括第一固定部121和第二固定部122，第二固定部122连接在第一固定部121的底面，并在第一固定部121的内缘固定至少一组磁性组件17。
提供第一驱动组件14。
可以理解的是，可以分别先后将第二驱动组件15套设在镜头13上、将磁性组件17固定在固定支架12上，本实施例对提供第一驱动组件14的工序、镜头13和第二驱动组件15的组装工序、固定支架12和磁性组件17的组装工序，三者之间的先后顺序不作限定。其中，第一驱动组件14和第二驱动组件15可以同步制造完成。
之后，将固定支架12套设在镜头13外，使镜头13外壁上的第二驱动组件15朝向第一固定部121内缘的磁性组件17的一部分。
然后，将第一驱动组件14连接在固定支架12上，使第一驱动组件14的一侧表面朝向磁性组件17的另一部分。
将第一驱动组件14组装在固定支架12上后，将图像传感器组件16固定在第一驱动组件14的另一侧表面上。
最后，在固定支架12的外部套设壳体11。其中，壳体11可以包括外框111和底板112，图像传感器组件16支撑在底板112上。可以先将底板112安装在图像传感器组件16的底部，之后，将外框111与底板112固定连接。
需要说明的是，完成第一驱动组件14和第二驱动组件15与固定支架12的组装后，可以对第一驱动组件14和第二驱动组件15的性能进行测试，这样，可以提高对第一驱动组件14和第二驱动组件15整体的驱动性能测设的精确性，能够精准测试摄像模组1的防抖性能，提高摄像模组1的可靠性。第一驱动组件14和第二驱动组件15的驱动性能测试完成后，将 图像传感器组件16组装在第一驱动组件14上，图像传感器组件16可以单独加工制造，可以降低图像传感器组件16的生产成本。
在本申请实施例的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应作广义理解，例如，可以是固定连接，也可以是通过中间媒介间接相连，可以是两个元件内部的连通或者两个元件的相互作用关系。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本申请实施例中的具体含义。
本申请实施例的说明书和权利要求书及上述附图中的术语“第一”、“第二”、“第三”、“第四”等(如果存在)是用于区别类似的对象，而不必用于描述特定的顺序或先后次序。

Claims (21)

  1. 一种摄像模组，其特征在于，包括：壳体、固定支架、镜头、第一驱动组件、第二驱动组件和图像传感器组件；所述壳体的一侧表面上设有安装孔，所述镜头通过所述安装孔部分容纳在所述壳体内，所述固定支架设于所述壳体内，所述图像传感器组件位于所述壳体底部；所述固定支架包括第一固定部和第二固定部，所述第一固定部套设在所述镜头外，所述第二固定部的一端连接在所述第一固定部面向壳体底部的一侧，所述第二固定部的另一端支撑在所述壳体的内底壁上，所述第一固定部的内缘固定有至少一组磁性组件；
    所述第一驱动组件位于所述第一固定部面向所述壳体底部的一侧，所述第一驱动组件的一侧表面朝向所述磁性组件的一部分，所述第一驱动组件的另一侧表面与所述图像传感器组件连接，所述磁性组件用于驱动所述第一驱动组件移动；所述第二驱动组件套设在所述镜头的外壁上，所述第二驱动组件朝向所述磁性组件的另一部分，所述磁性组件用于驱动所述第二驱动组件移动。
  2. 根据权利要求1所述的摄像模组，其特征在于，所述第二固定部包括多个间隔设置的支撑部，所述第一驱动组件和所述图像传感器组件位于多个所述支撑部围成的空间内。
  3. 根据权利要求1或2所述的摄像模组，其特征在于，所述第一固定部的内缘固定有至少两组所述磁性组件，两组所述磁性组件分别设置于所述第一固定部的相对两侧。
  4. 根据权利要求1-3任一项所述的摄像模组，其特征在于，所述磁性组件包括第一磁性件和第二磁性件，所述第一磁性件朝向所述第一驱动组件并驱动所述第一驱动组件移动，所述第二磁性件朝向所述第二驱动组件并驱动所述第二驱动组件移动。
  5. 根据权利要求4所述的摄像模组，其特征在于，所述磁性组件还包括固定在所述第一固定部上的导磁件，所述导磁件包括第一导磁部和第二导磁部；所述第一导磁部朝向所述第一驱动组件，所述第一磁性件的表面与所述第一导磁部的表面贴合；所述第二导磁部朝向所述第二驱动组件，所述第二磁性件的表面与所述第二导磁部的表面贴合；
    其中，所述第一导磁部和所述第二导磁部的磁性相反，所述第一磁性件和所述第一导磁部的磁性相反，所述第二磁性件和所述第二导磁部的磁性相反。
  6. 根据权利要求1-5任一项所述的摄像模组，其特征在于，所述第一驱动组件包括支撑板和至少一个第一驱动线圈，所述第一驱动线圈设置在所述支撑板朝向所述磁性组件的一侧表面，所述第一驱动线圈与所述磁性组件相对设置。
  7. 根据权利要求6所述的摄像模组，其特征在于，所述第一固定部上设有至少一个第一限位部，所述支撑板面向所述第一固定部的一面设有至少一个第二限位部，所述第二限位部与所述第一限位部相对设置，且所述第一限位部和所述第二限位部之间设有滚珠，所述第一限位部和所述第二限位部通过所述滚珠接触。
  8. 根据权利要求7所述的摄像模组，其特征在于，所述第一固定部上设有至少两个所述第一限位部，两个所述第一限位部相对设置；所述支撑板上设有至少两个第二限位部，各所述第二限位部与各所述第一限位部对应。
  9. 根据权利要求7所述的摄像模组，其特征在于，所述第一限位部和所述第二限位部中的一者上设有限位凹槽，所述滚珠在所述限位凹槽内移动。
  10. 根据权利要求9所述的摄像模组，其特征在于，所述第一限位部和所述第二限位 部之间具有间隙。
  11. 根据权利要求6-10任一项所述的摄像模组，其特征在于，所述支撑板为导磁板。
  12. 根据权利要求1-11任一项所述的摄像模组，其特征在于，所述第二驱动组件包括支承座和第二驱动线圈，所述支承座套设在所述镜头的外壁上，所述第二驱动线圈套设在所述支承座的外壁上。
  13. 根据权利要求1-12任一项所述的摄像模组，其特征在于，所述图像传感器组件包括图像传感器，所述图像传感器的散热面与所述壳体的内底壁之间具有空隙，该空隙内填充有导热液。
  14. 根据权利要求13所述的摄像模组，其特征在于，所述壳体的内底壁上贴设有环状密封板，所述导热液位于所述环状密封板围成的区域内。
  15. 根据权利要求14所述的摄像模组，其特征在于，所述环状密封板与所述图像传感器之间具有缝隙。
  16. 根据权利要求14所述的摄像模组，其特征在于，所述环状密封板上间隔设有多个密封孔；或者，所述环状密封板的表面为凹凸不平的波纹面。
  17. 根据权利要求14所述的摄像模组，其特征在于，所述环状密封板上间隔设置有多个条形槽，所述条形槽沿所述环状密封板的轮廓线方向延伸；
    其中，由所述环状密封板的内缘至外缘设置有多排所述条形槽，位于不同排的所述条形槽错开设置。
  18. 根据权利要求13-17任一项所述的摄像模组，其特征在于，所述图像传感器组件还包括柔性电连接件，所述柔性电连接件的一端连接在所述图像传感器上，所述柔性电连接件的另一端用于和外部电路连接。
  19. 根据权利要求18所述的摄像模组，其特征在于，所述柔性电连接件包括连接部、活动悬臂和固定部，所述连接部与所述图像传感器连接，所述固定部与所述外部电路连接，所述活动悬臂位于所述连接部和所述固定部之间；
    其中，所述活动悬臂环绕所述图像传感器至少半圈。
  20. 一种摄像模组的组装方法，用于组装权利要求1-19任一项所述的摄像模组，其特征在于，包括：
    提供镜头，并在所述镜头的外壁上套设第二驱动组件；
    提供固定支架；其中，所述固定支架包括第一固定部和第二固定部，所述第二固定部连接在所述第一固定部的底面；
    在所述第一固定部的内缘固定至少一组磁性组件；
    将固定有所述磁性组件的所述固定支架套设在所述镜头外；其中，所述第二驱动组件朝向所述磁性组件的一部分；
    提供第一驱动组件，并将所述第一驱动组件的一侧表面连接在所述固定支架上；其中，所述第一驱动组件朝向所述磁性组件的另一部分；
    提供图像传感器组件，并将所述图像传感器组件固定在所述第一驱动组件的另一侧表面；
    在所述固定支架的外部套设壳体。
  21. 一种电子设备，其特征在于，包括至少一个权利要求1-19任一项所述的摄像模组。
PCT/CN2022/076736 2021-03-19 2022-02-18 摄像模组及其组装方法、电子设备 WO2022193900A1 (zh)

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