WO2023029803A1 - Module d'entraînement, appareil d'acquisition d'image et dispositif électronique - Google Patents

Module d'entraînement, appareil d'acquisition d'image et dispositif électronique Download PDF

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Publication number
WO2023029803A1
WO2023029803A1 PCT/CN2022/107268 CN2022107268W WO2023029803A1 WO 2023029803 A1 WO2023029803 A1 WO 2023029803A1 CN 2022107268 W CN2022107268 W CN 2022107268W WO 2023029803 A1 WO2023029803 A1 WO 2023029803A1
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WO
WIPO (PCT)
Prior art keywords
magnet
driving
frame
coil
roller
Prior art date
Application number
PCT/CN2022/107268
Other languages
English (en)
Chinese (zh)
Inventor
胡北
Original Assignee
Oppo广东移动通信有限公司
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 CN202111006284.1A external-priority patent/CN113568132A/zh
Priority claimed from CN202122064824.3U external-priority patent/CN215867301U/zh
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Publication of WO2023029803A1 publication Critical patent/WO2023029803A1/fr

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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/09—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted for automatic focusing or varying magnification
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B30/00—Camera modules comprising integrated lens units and imaging units, specially adapted for being embedded in other devices, e.g. mobile phones or vehicles

Definitions

  • the present application relates to the technical field of imaging equipment, in particular to a driving module, an image acquisition device and electronic equipment.
  • the image acquisition device of the current electronic equipment will be equipped with voice coil motors for realizing the auto-focus function and the automatic anti-shake function respectively.
  • the configuration and installation structure of these voice coil motors make the overall structure of the image acquisition device complex and thick Larger, which in turn reduces the aesthetics of electronic equipment, and does not meet the current trend of miniaturization of electronic equipment pursued by users.
  • Embodiments of the present application provide a driving module, an image acquisition device, and electronic equipment.
  • the embodiment of the present application provides a driving module, which includes a first driving assembly and a second driving assembly.
  • an embodiment of the present application provides an image acquisition device, which includes a lens module and the above-mentioned driving module, and the lens module is installed on a carrier.
  • FIG. 1 is a schematic perspective view of an electronic device provided by an embodiment of the present application.
  • FIG. 2 is a three-dimensional exploded schematic diagram of an image acquisition device of the electronic device shown in FIG. 1 .
  • FIG. 3 is an exploded perspective view of a driving module of the image capturing device shown in FIG. 2 .
  • FIG. 4 is an exploded perspective view of the first driving assembly and the second driving assembly of the driving module shown in FIG. 3 .
  • FIG. 5 is an exploded perspective view of a second driving assembly of the driving module shown in FIG. 4 .
  • FIG. 6 is a schematic three-dimensional cross-sectional view of the driving module shown in FIG. 3 .
  • FIG. 7 is a partial cross-sectional schematic diagram and a magnetic force schematic diagram of the first magnet and its matching structure in the driving module shown in FIG. 6 .
  • FIG. 8 is a schematic diagram of the magnetic force of the first driving coil, the second driving coil and the second magnet in the moving module shown in FIG. 6 .
  • FIG. 9 is a partial cross-sectional schematic diagram and a magnetic force schematic diagram of the third magnet and its matching structure in the driving module shown in FIG. 6 .
  • FIG. 10 is an exploded perspective view of a second drive coil and a carrier of a second drive assembly provided by another embodiment of the present application.
  • FIG. 11 is a schematic perspective view from another perspective of the second driving assembly of the driving module shown in FIG. 3 .
  • FIG. 12 is an exploded perspective view of the second driving assembly shown in FIG. 11 .
  • FIG. 13 is an exploded perspective view of the second driving assembly shown in FIG. 11 at another viewing angle.
  • FIG. 14 is another perspective exploded view of the driving module shown in FIG. 11 .
  • FIG. 15 is another perspective exploded view of the driving module shown in FIG. 11 .
  • FIG. 16 is a schematic three-dimensional cross-sectional view of the driving module shown in FIG. 11 .
  • FIG. 17 is a schematic diagram of a cross section of the driving module shown in FIG. 11 .
  • FIG. 18 is a schematic diagram of another cross-section of the driving module shown in FIG. 11 .
  • FIG. 19 is another exploded perspective view of the driving module of the image acquisition device shown in FIG. 3 .
  • the first drive coil 14 is arranged on the mounting part 12, and it can be connected to the control board of the electronic device 300 to accept the drive signal sent by the control board, for example, to receive the excitation current sent by the control board, so that the first drive coil 14 can be used in Under the excitation of the excitation current, a first magnetic field is generated to drive the second driving assembly 20 to move along the first direction X through the action of the magnetic field/magnetic force, wherein the first direction X intersects the optical axis direction O1.
  • the first driving coil 14 is a coil winding, and its winding axis direction is consistent with the optical axis direction O1 (for example, substantially parallel to the optical axis direction O1 ).
  • the first driving coil 14 is approximately flat on the mounting plate 12 and approximately parallel to the lens assembly 201 .
  • the first driving coil 14 is used to apply a force along the first direction X to the second driving assembly 20 so as to drive the second driving assembly 20 to move along the first direction X.
  • the first direction X may be perpendicular to the optical axis direction O1, and in the embodiment shown in FIG. 3 , the first direction X may be an extending direction along the plane where the mounting part 12 is located.
  • the second driving assembly 14 drives the lens module 201 to move along a direction parallel to the mount 12 (that is, along a direction perpendicular to in the direction of the optical axis direction OA), so as to realize the anti-shake function of the image acquisition device 200 .
  • the number of the first driving coils 14 is not limited, for example, there may be one, two, three or more than three first driving coils 14 .
  • the number of the first driving coils 14 is three, two of which are relatively spaced apart, and the other is located on one side of the space between the first two, and the three are roughly in the shape of " ⁇ " shaped structure arrangement.
  • the coverage of the first magnetic field is larger, ensuring that the second drive assembly 20 moves along the first direction X It is always possible to be located within the first magnetic field, so that a reliable stabilization of the image acquisition device 200 is achieved.
  • the number of the first driving coils 14 may be four, and the four first driving coils 14 are arranged end to end on the surface of the mounting member 14 in turn, for example, the four first driving coils 14 are respectively arranged On the four sides of the rectangular plate structure of the mounting part 14 , the four are roughly arranged in a "mouth" structure, so that the coverage of the first magnetic field is relatively large.
  • the second driving assembly 20 is disposed on one side of the mounting part 12 , and includes a frame 21 , a magnet set 22 , a carrier 23 and a second driving coil 24 .
  • the frame 21 is spaced apart from the first driving coil 14
  • the magnet group 22 is disposed on the frame 21 and can drive the frame 21 to move along the first direction X under the excitation of the first magnetic field generated by the first driving coil 14 .
  • the carrier 23 is movably connected to the frame 21 and used for installing the lens module 201 .
  • the second driving coil 24 is disposed on the carrier 23 and located in the magnetic field generated by the magnet set 22 , and can generate the second magnetic field under the excitation of the current.
  • the second driving coil 24 drives the carrier 23 to move along the second direction Y by means of the interaction between the second magnetic field and the magnetic field of the magnet group 22, wherein the second direction Y is consistent with the optical axis direction O1 (for example, the second direction Y is consistent with the optical axis direction O1).
  • axis direction O1 is approximately parallel).
  • the carrier 23 can drive the lens module 201 to move along the optical axis direction O1, thereby realizing the focusing function of the image acquisition device 200 .
  • the first drive assembly 10 drives the second drive assembly 20 to move as a whole, and the magnet group 22 is reused to integrate the functions of focus and anti-shake
  • the structure of the driving module 100 is relatively simple. Specifically, during application, the drive module 100 is installed on the image capture device 200, and the image capture device 200 is arranged in the housing 301 of the electronic device 300. By simplifying the structure of the drive module 100, the image capture device 200 The simplified structure further improves the aesthetics of the electronic device 300 , which is beneficial to the miniaturization of the electronic device 300 .
  • the drive module 100 of some embodiments of the present application will be described in detail below with reference to specific figures.
  • the frame 21 is substantially hollow and includes a frame body 213 , a first fixing portion 215 , a second fixing portion 217 and a third fixing portion 219 .
  • the frame body 213 is substantially in the shape of a rectangular frame, and is spaced from the mounting part 12 .
  • the first fixing part 215 , the second fixing part 217 and the third fixing part 219 are disposed on a side of the frame body 213 facing the mounting part 12 , and are respectively disposed opposite to the three first driving coils 14 .
  • the second fixing part 217 is connected to a side of the frame body 213 facing the mounting part 12 , and is spaced apart from the first fixing part 215 .
  • the second fixing part 217 is provided with a second receiving groove 2171 , the second receiving groove 2171 penetrates through the surface of the second fixing part 217 facing the mounting part 12 , so that the opening direction of the second receiving groove 2171 faces the mounting part 12 .
  • the second accommodating groove 2171 is used for fixing and at least partially accommodating the magnet set 22 , so as to achieve the effect of reducing the overall volume of the second driving assembly 20 and make the mounting connection between the frame 21 and the magnet set 22 more firm.
  • the third fixing part 219 is connected to a side of the frame body 213 facing the mounting part 12 , and is located between the first fixing part 215 and the second fixing part 217 . Specifically, two ends of the third fixing portion 219 are respectively adjacent to the first fixing portion 215 and the second fixing portion 217 , and the three are roughly arranged in a “ ⁇ ” shape, and jointly define a receiving space 210 .
  • the accommodating space 210 is used for accommodating the carrier 23 so as to reduce the thickness of the driving module 100 .
  • the third fixing part 219 is provided with a third receiving groove 2191, the third receiving groove 2191 runs through the surface of the third fixing part 219 facing the mounting part 12, so that the opening direction of the third receiving groove 2191 faces the mounting part 12.
  • the third accommodating groove 2191 is used for fixing and at least partially accommodating the magnet set 22 , so as to achieve the effect of reducing the overall volume of the second driving assembly 20 and make the mounting connection between the frame 21 and the magnet set 22 more firm.
  • the magnet set 22 is connected to the frame 21 , and is spaced from (eg opposite to) or stacked with the first driving coil 14 .
  • the magnet group 22 is used to drive the frame 21 to move along the first direction X under the excitation of the first magnetic field generated by the first drive coil 14 .
  • the number of magnets included in the magnet group 22 is not limited.
  • the magnet group 22 may include three magnets, and the three magnets are respectively connected with three magnets.
  • the first driving coil 14 is oppositely disposed; in other embodiments, the magnet set 22 may include one, two, three or more magnets.
  • the magnet group 22 includes a first magnet 221 and a second magnet 223, and the first magnet 221 and the second magnet 223 are arranged at intervals and connected to the frame 21 respectively, wherein the first magnet 221 is embedded in the first accommodating groove 2151 , and the second magnet 223 is embedded in the second accommodating groove 2171 .
  • the magnet group 22 may also include a third magnet 225, the third magnet 225 is located between the first magnet 221 and the second magnet 223 and embedded in the third accommodating groove 2191, the first magnet 221, the second magnet 223 and The third magnets 225 are generally arranged in a " ⁇ " shape.
  • the first magnet 221 may include a first magnetic part 2211 and a second magnetic part 2213, and the first magnetic part 2211 and the second magnetic part 2213 may be stacked along the second direction Y.
  • the first magnetic part 2211 is located on a side of the second magnetic part 2213 away from the first driving coil 14
  • the second magnetic part 2213 is located between the first magnetic part 2211 and the first driving coil 14 .
  • a magnetic isolation part 2215 may be provided between the first magnetic part 2211 and the second magnetic part 2213 to ensure a fixed connection relationship between the first magnetic part 2211 and the second magnetic part 2213 . Looking at the relative direction in FIG.
  • the carrier 23 is movably connected with the frame 21 and located in the receiving space 210 .
  • the end surface of the carrier 23 is substantially flush with the end surface of the frame 21 , and its outer periphery is spaced apart from the magnet group 22 .
  • the carrier 23 is a hollow structure, which is roughly in the shape of a rectangular frame, and is provided with a receiving portion 231 for installing the lens module 201 .
  • the accommodating part 231 is a through hole structure, which penetrates the carrier along the optical axis direction O1, so that the lens module 201 collects light. In other words, the axial direction of the through hole structure of the receiving portion 231 is consistent with the optical axis direction O1.
  • the winding direction of the second driving coil 24 is not limited, and its structure is adapted to the magnetic pole arrangement direction of the magnet group 22 to realize the function of driving the carrier 23 .
  • the second driving coil 14 may directly surround the outer periphery of the carrier 23 (as shown in FIG. 10 ), and part of its structure is disposed opposite to the magnet group 22 .
  • the direction of the axis around which the second drive coil 14 is wound is consistent with the second direction Y/optical axis direction O1.
  • the surface of the carrier 23 is provided with a fixing part 233 for fixing the second driving coil 24, the fixing part 233 is a groove structure, and the second driving coil 24 is embedded in the groove structure of the fixing part 233 .
  • the interaction force between the second driving coil 214 and the magnet set 22 after passing the current can be along the second direction Y/optical axis direction O1, so the focusing function of the image acquisition device 200 can also be realized.
  • the second drive assembly 20 may further include a reset member 25, which is connected between the frame 21 and the carrier 23, which can be the support for the carrier 23 in the second direction Y. Movement provides resilience.
  • the reset member 25 is generally in the shape of an elastic sheet, which is superimposed on the end faces of the frame 21 and the carrier 23.
  • the reset member 25 is roughly stacked on the side of the frame 21 and the carrier 23 away from the mounting member 12, the reset member 25 can be made of metal or/and plastic, and generally presents a sheet-like structure .
  • the reset member 25 includes a first connecting portion 251 , a second connecting portion 253 and an elastic deformation portion 255 .
  • the first connecting portion 251 is connected to the frame 21 .
  • there are approximately four first connecting portions 251 and the four first connecting portions 251 are respectively connected to four corners of the frame 21 .
  • the elastic deformation part 255 When the carrier 23 moves along the second direction Y to protrude relative to the frame 21, the elastic deformation part 255 is pulled by the second connection part 253 fixed to the carrier 23 to undergo elastic deformation, presenting a curved shape protruding outward toward the optical axis. , so as to provide a force in the opposite direction to the carrier 23, making it possible for the movement of the carrier 23 to recover.
  • the force applied to the carrier 23 disappears (such as when the second driving coil 24 stops generating the second magnetic field)
  • the elastic deformation part 255 resumes deformation, and the carrier 23 is pushed into the accommodation space 210, so that the end faces of the carrier 23 and the frame 21 are substantially flush.
  • the second driving assembly 20 may further include a buffer member 26 connected between the frame 21 and the carrier 23 and capable of providing a restoring force for the movement of the carrier 23 in the first direction X.
  • the buffer member 26 is roughly in the shape of an elastic sheet, and is stacked on the end faces of the frame 21 and the carrier 23 away from the reset member 25 .
  • the buffer member 26 is roughly stacked on the side of the frame 21 and the carrier 23 close to the mounting member 12 , the buffer member 26 may be made of metal or/and plastic, and generally presents a sheet-like structure.
  • the buffer member 26 includes a third connecting portion 261, a fourth connecting portion 263 and a buffering portion 265.
  • the third connecting portion 261 is connected to the frame 21.
  • the third connecting portion 261 can be in a sheet structure, and its number can be There are four, and the four third connecting portions 261 are respectively connected to the four corners of the frame 21 .
  • the buffer part 265 When the carrier 23 moves relative to the frame 21 along the first direction X (for example, when the driving module 100 is impacted/shaked by an external force), the buffer part 265 is pulled by the fourth connecting part 263 fixed on the carrier 23 to elastically deform, and it bends The structure is compressed or stretched, so as to provide a force in the opposite direction to the carrier 23 and provide the possibility for the movement recovery of the carrier 23 .
  • the buffer portion 265 recovers to deform and pushes the carrier 23 into the roughly middle position of the receiving space 210 .
  • the buffer portion 265 is an elastic linear structure made of elastic material (such as rubber, plastic, etc.). In other embodiments, the buffer portion 265 may also be an elastic linear structure made of a rigid material (such as metal, etc.).
  • the driving module 100 may further include a driving circuit 30 and a position sensor 40 .
  • the driving circuit 30 can be connected to a side of the mounting part 12 of the first driving assembly 10 away from the frame 21 , and is electrically connected to the first driving coil 14 and the second driving coil 24 .
  • the driving circuit 30 can be electrically connected with the control board of the electronic device 300, so that the control board can send a driving signal to the first driving coil 14 or/and the second driving coil 24 through the driving circuit 30, thereby controlling the movement of the driving module 100 to realize The anti-shake and focusing functions of the image acquisition device 200.
  • the driving circuit 30 can be configured as a flexible circuit board.
  • the driving circuit 30 includes a main body 32 , a bending connection part 34 and an electrical connection part 36 .
  • the main body portion 32 is approximately flat, and is approximately stacked with the mounting member 12 , and is electrically connected to the first driving coil 14 .
  • the main body part 32 may define a light transmission channel, the axis direction of the transmission channel is consistent with the optical axis direction O1, and the transmission channel is substantially coaxial and communicated with the receiving part 231 .
  • the four corners of the main body part 32 are provided with notches, and these notches are used as avoidance notches for other structures of the driving module 100 , which will be described below.
  • the bent connecting portion 34 is connected to the edge of the main body 32 and bent relative to the main body 32 .
  • the bent connection portion 34 may be perpendicular to the main body portion 32 and extend toward the direction of the frame 21 .
  • the electrical connection portion 36 is disposed at an end of the bent connection portion 34 away from the main body portion 32 , and is electrically connected to the second driving coil 24 .
  • the drive circuit 30 by designing the drive circuit 30 as a bent electrical connection structure, wherein the bent connection portion 34 can be arranged opposite to and roughly parallel to the outer surface of the frame 12, this structure makes the space occupied by the drive circuit 30 relatively small. less, the structure of the driving module 100 is simplified.
  • the drive circuit 30 may also include an electrical connection terminal 38, the electrical connection terminal 38 is connected to the main body 32, and extends in a direction away from the frame 21 relative to the main body 32, the electrical connection terminal 38 is used to connect to the electronic device 100 The control board of the control board, or/and the control chip connected to the image acquisition device 100 .
  • the position sensor 40 is fixedly arranged relative to the mounting part 12 and used for sensing the position of the magnet set 22 relative to the first driving coil 14 .
  • the position sensor 40 is disposed on the main body 32 of the driving circuit 30 and is electrically connected to the driving circuit 30 .
  • the position sensor 40 may be disposed on the mounting member 12 .
  • the position sensor 40 can be a magnetic sensor, such as a Hall sensor, which can detect the distance between the magnet group 22 and the first driving coil 14 through the magnetic field strength, and then output a signal to the driving circuit 30, and the driving circuit 30 According to the signal, the current of the first driving coil 14 is adjusted to control the displacement of the magnet group 22 to realize the loop control of the closed driving module 100 .
  • the position sensor 40 can also be a photoelectric sensor, which can detect the relative distance between the magnet group 22 and the first driving coil 14 by means of an optical signal, and then return the signal to the driving circuit 30, and the driving circuit 30 can detect the relative distance between the magnet group 22 and the first driving coil 14 according to the signal. To adjust the current of the first driving coil 14 to control the displacement of the magnet group 22 to realize the closed-loop control of the driving module 100 .
  • the driving module 100 may further include a roller assembly 50 .
  • the roller assembly 50 includes a plurality of rollers, and the plurality of rollers are located between the frame 21 and the mounting part 12 or/and the base 18, so that when the frame 21 slides relative to the mounting part 12 or/and the base 18, the rolling of the rollers is used.
  • the rolling friction makes the movement smooth.
  • the roller assembly 50 includes a roller frame 52 , a first roller set 54 and a second roller set 56 .
  • the installation part 12 has a first side 123 and a second side 125 , and the first side 123 and the second side 125 are adjacent to each other (for example, they are substantially perpendicular to each other).
  • the first mounting portion 525 is disposed along the first side 123 of the mounting member 12 .
  • the first mounting portion 525 includes a first board 5251 , and the first board 5251 is disposed along the first side 123 and is substantially perpendicular to the first side 123 .
  • the first plate body 5251 is opposite to one side of the frame 21 (such as a side surface instead of an end surface).
  • the first plate body 5251 is arranged parallel to the outer side of the first fixing portion 215 of the frame 21, so that the first plate body 5251, the first fixing portion 215, and the carrier 23 are arranged side by side in sequence along the first sub-direction X1, Therefore, the roller frame 52 , the frame 21 and the carrier 23 are nested in the thickness direction of the driving module 100 , so that the thickness of the driving module 100 is relatively small.
  • one side of the first installation part 525 is provided with a first boss 5253 and a second boss 5255, and the first boss 5253 and the second boss 5255 are respectively arranged at opposite ends of the first plate body 5251, and
  • the first fixing portion 215 is located between the first boss 5253 and the second boss 5255 . Both the first boss 5253 and the second boss 5255 are provided with roller grooves for installing rollers.
  • the second mounting part 527 is connected to one end of the first mounting part 525 and arranged along the second side 125 of the mounting part 12.
  • the second mounting part 527 includes a second plate body 5271, the second The plate body 5271 is disposed along the second side 125 and substantially parallel to the second side 125 .
  • the second plate body 5271 is located between the frame body 213 of the frame 21 and the mounting part 12, so that the frame body 213, the second plate body 5271 and the mounting part 12 are arranged in sequence along the second direction Y (optical axis direction O1).
  • the sleeve structure further makes the structure of the driving module 100 more compact, which is more conducive to the miniaturization design of the driving module 100 and even the image acquisition device 200 .
  • a third boss 5273 may be provided on one side of the second mounting portion 527 , and the third boss 5273 is arranged at an end of the second plate body 5271 away from the first plate body 5251 .
  • the third boss 5273 is provided with a roller groove, and the roller groove is used for installing rollers.
  • the roller frame 52 is further provided with a first direction roller groove 521 and a second direction roller groove 523 .
  • there may be three roller grooves 521 in the first direction which are respectively provided on the side of the first boss 5253 , the second boss 5255 and the third boss 5273 facing the frame body 213 .
  • the inner wall of the roller groove 521 in the first direction is at least partially inclined to limit the direction of rotation of the rollers therein. Specifically, as shown in FIG.
  • the first direction roller groove 521 is provided with a first surface 5211 and a second surface 5213, and the angle between the first surface 5211 and the second surface 5213 is less than 180 degrees, so as to jointly
  • a guide groove structure 5215 is formed, and the guide groove structure 5215 is arranged along the first sub-direction X1 to restrict the rollers from rolling in the first sub-direction X1.
  • the number of roller grooves 523 in the second direction can be three, and the three roller grooves 523 in the second direction are respectively arranged on one side of the first boss 5253, the second boss 5255 and the third boss 5273 facing the mounting part 12/base 18. side. Specifically, as shown in FIG.
  • the roller groove 523 in the second direction is provided with a first surface 5231 and a second surface 5233, and the angle between the first surface 5231 and the second surface 5233 is less than 180 degrees to jointly form
  • the guide groove structure 5235 and the guide groove structure 5215 are arranged along the second sub-direction X2 to restrict the rollers from rolling in the second sub-direction X2.
  • the first roller set 54 includes at least one first roller 541 , and the first roller 541 is disposed in the roller groove 521 in the first direction. In this embodiment, there are three first rollers 541, and the first rollers 541 can only roll in the first sub-direction X1 limited by the roller groove 521 in the first direction.
  • the second roller set 56 includes at least one second roller 561 , and the second roller 561 is disposed in the roller groove 523 in the second direction. In this embodiment, there are three second rollers 561 , and the second rollers 561 can only roll in the second sub-direction X2 limited by the roller groove 523 in the second direction.
  • the driving module 100 may further include a housing 60 .
  • the housing 60 is substantially a rectangular shell-shaped structure, and an opening is formed on one side facing the base 18 .
  • the housing 60 is used to provide a receiving space 62 for the first driving assembly 10 , the second driving assembly 20 , the driving circuit 30 , the position sensor 40 and the roller assembly 50 , and is connected with the base 18 to form a closed structure.
  • the mounting part 12 , the driving circuit 30 , and the base 18 are sequentially stacked, the first driving coil 14 is arranged on the mounting part 12 , and the first driving coil 14 is electrically connected to the driving circuit 30 .
  • the magnet set 22 is inserted into the receiving groove of the frame 21 so that the magnets in the magnet set 22 are roughly surrounded by the receiving space 210 .
  • the second driving coil 24 is wound on the carrier 23, and the carrier 23 with the second driving coil 24 is placed in the accommodation space 210 of the frame 21, so that a plurality of magnets appear to be in the form of surrounding the outer periphery of the carrier 23, and more At least one of the two magnets is opposite to the second drive coil 24, and then the reset member 25 and the buffer member 26 are placed on the two end faces of the frame 21 and the carrier 23, and are connected to the frame 21 and the carrier 23 respectively.
  • the roller assembly 50 is assembled, it is stacked on the mounting part 12 /base 18 so that the common roller 58 is located in the second groove 181 .
  • the frame 21 is stacked on the mounting part 12 and the roller assembly 50, so that the common roller 58 is located in the first groove 211, and the first fixing part 215 is directly connected to the first plate body 5251 in the first direction X In order to reduce the dimension of the driving module 100 in the second direction Y (that is, the thickness dimension).
  • the casing 60 is covered outside the frame 21 and fixedly connected to the base 18, so that the first drive assembly 10, the second drive assembly 20, the drive circuit 30, the position sensor 40, and the roller assembly 50 are all accommodated in the casing 60. , forming a modular structure, which is convenient for production and assembly.
  • the first drive assembly 10 drives the second drive assembly 20 to move as a whole, and the magnet group 22 is reused to integrate the functions of focus and anti-shake
  • the structure of the driving module 100 is relatively simple. Specifically, during application, the drive module 100 is installed on the image capture device 200, and the image capture device 200 is arranged in the housing 301 of the electronic device 300. By simplifying the structure of the drive module 100, the image capture device 200 The simplified structure further improves the aesthetics of the electronic device 300 , which is beneficial to the miniaturization of the electronic device 300 .
  • the magnet group 22 of the drive module 100 includes three magnets, and the three magnets are arranged in a " ⁇ " shape and embedded in the frame 21. Correspondingly, there are three fixed parts of the frame 21. , there are also three first driving coils 14, so as to correspond to the three magnets one by one. It should be understood that, in other embodiments, the magnet set 22 may include four magnets, and four magnets will be taken as an example for brief description below.
  • the magnet group 22 may include four magnets, which are respectively a first magnet 221, a second magnet 223, a third magnet 225 and a fourth magnet 227.
  • the first magnet 221 Set apart from the second magnet 223 and respectively connected to the frame 21, the third magnet 225 and the fourth magnet 227 are located between the first magnet 221 and the second magnet 223, the third magnet 225 and the fourth magnet 227 are set apart from each other and Respectively connected to the frame 21, the first magnet 221, the second magnet 223, the third magnet 225 and the fourth magnet 227 can jointly define an accommodating space, and the carrier 23 and the second driving coil 24 can be arranged in the accommodating space, so that
  • the driving module 100 has a nested driving structure, and its volume is relatively small.

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Abstract

La présente invention concerne un module d'entraînement (100), un appareil d'acquisition d'image (200) et un dispositif électronique (300). Le module d'entraînement (100) comprend un premier ensemble d'entraînement (10) et un second ensemble d'entraînement (20). Le premier ensemble d'entraînement (10) comprend une partie d'installation (12) et une première bobine d'entraînement (14) disposée sur la partie d'installation (12). Le second ensemble d'entraînement (20) est au moins partiellement situé d'un côté du premier ensemble d'entraînement (10), et le second ensemble d'entraînement (20) comprend un cadre (21), un ensemble d'aimants (22), un support (23) et une seconde bobine d'entraînement (24). Le cadre (21) et la première bobine d'entraînement (14) sont disposés à un intervalle, l'ensemble d'aimants (22) est disposé sur le cadre (21), le support (23) est relié de façon mobile au cadre (21), et la seconde bobine d'entraînement (24) est disposée sur le support (23). Le second ensemble d'entraînement (20) est entraîné par la première bobine d'entraînement (14) pour se déplacer dans une première direction (X). L'appareil d'acquisition d'image (200) comprend un module de lentille (201) et le module d'entraînement (100), le module de lentille (201) étant installé sur le support (23). Le dispositif électronique (300) comprend une enveloppe (301), un écran d'affichage (303) et l'appareil d'acquisition d'image (200), l'écran d'affichage (303) étant connecté à l'enveloppe (301), et l'appareil d'acquisition d'image (200) étant disposé dans l'enveloppe (301). Le module d'entraînement (100) a une structure simple et facilite la conception de miniaturisation du dispositif électronique (300).
PCT/CN2022/107268 2021-08-30 2022-07-22 Module d'entraînement, appareil d'acquisition d'image et dispositif électronique WO2023029803A1 (fr)

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CN202122064824.3 2021-08-30
CN202111006284.1A CN113568132A (zh) 2021-08-30 2021-08-30 驱动模组、图像获取装置及电子设备
CN202111006284.1 2021-08-30
CN202122064824.3U CN215867301U (zh) 2021-08-30 2021-08-30 驱动模组、图像获取装置及电子设备

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CN111586270A (zh) * 2020-05-07 2020-08-25 Oppo广东移动通信有限公司 成像装置及电子设备
CN112969017A (zh) * 2021-02-10 2021-06-15 维沃移动通信有限公司 摄像头模组及电子设备
CN113568132A (zh) * 2021-08-30 2021-10-29 Oppo广东移动通信有限公司 驱动模组、图像获取装置及电子设备
CN215867301U (zh) * 2021-08-30 2022-02-18 Oppo广东移动通信有限公司 驱动模组、图像获取装置及电子设备

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160170170A1 (en) * 2014-12-15 2016-06-16 Samsung Electro-Mechanics Co., Ltd. Camera module
CN105717725A (zh) * 2014-12-19 2016-06-29 三星电机株式会社 相机模块
CN108989629A (zh) * 2017-06-02 2018-12-11 宁波舜宇光电信息有限公司 驱动组件和摄像模组及其电子设备
CN111147708A (zh) * 2019-12-04 2020-05-12 华为技术有限公司 一种音圈马达、摄像模组及电子设备
CN111586270A (zh) * 2020-05-07 2020-08-25 Oppo广东移动通信有限公司 成像装置及电子设备
CN112969017A (zh) * 2021-02-10 2021-06-15 维沃移动通信有限公司 摄像头模组及电子设备
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CN215867301U (zh) * 2021-08-30 2022-02-18 Oppo广东移动通信有限公司 驱动模组、图像获取装置及电子设备

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