WO2021127984A1 - Système de caméra et terminal mobile - Google Patents

Système de caméra et terminal mobile Download PDF

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Publication number
WO2021127984A1
WO2021127984A1 PCT/CN2019/127940 CN2019127940W WO2021127984A1 WO 2021127984 A1 WO2021127984 A1 WO 2021127984A1 CN 2019127940 W CN2019127940 W CN 2019127940W WO 2021127984 A1 WO2021127984 A1 WO 2021127984A1
Authority
WO
WIPO (PCT)
Prior art keywords
transmission
camera system
camera module
module
shaft
Prior art date
Application number
PCT/CN2019/127940
Other languages
English (en)
Chinese (zh)
Inventor
闫锋
董乐平
Original Assignee
诚瑞光学(常州)股份有限公司
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
Application filed by 诚瑞光学(常州)股份有限公司 filed Critical 诚瑞光学(常州)股份有限公司
Priority to PCT/CN2019/127940 priority Critical patent/WO2021127984A1/fr
Publication of WO2021127984A1 publication Critical patent/WO2021127984A1/fr

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Classifications

    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules

Definitions

  • the invention relates to the technical field of photographing equipment, in particular to a camera system and a mobile terminal.
  • the camera system usually includes a front camera and a rear camera.
  • the rear camera is directly fixed and installed on the back of the smart electronic product and exposed.
  • the front camera needs to be installed in the non-display area on the front of the smart electronic product.
  • the appearance of smart electronic products is improved, and its position cannot be adjusted, which is inconvenient to use.
  • the purpose of the present invention is to provide a camera system and a mobile terminal that can be retracted, rotated, and can be hidden in the mobile terminal.
  • a camera system including: a camera module; a driving module; and a transmission module.
  • the transmission module includes a transmission shaft, a guide rod, a support shaft assembly, a transmission slider, and a dust-proof assembly.
  • the support shaft assembly is connected to the camera module and includes a support shaft.
  • the transmission slider is threadedly fitted to the The transmission shaft and the support shaft are sleeved on the guide rod, the dust-proof assembly is sleeved on the guide rod and the support shaft, and the transmission shaft is connected to the drive module to obtain a drive And the transmission shaft is used to rotate and make the transmission slider move along the guide rod and the transmission shaft, and then drive the support shaft assembly to drive the camera module to make a telescopic movement to extend the housing And drive the dust-proof assembly to make a telescopic movement along the guide rod, and when the camera module extends out of the hole and the dust-proof assembly is restricted, the dust-proof assembly will The opening is sealed to prevent foreign objects from entering the camera system, and the transmission shaft is also used to rotate and make the transmission slider move along the guide rod and the transmission shaft, thereby driving the support shaft assembly to drive the The camera module rotates relative to the dustproof assembly.
  • the dust-proof assembly includes a bracket and an elastic element
  • the bracket includes a main body, a dust-proof portion, an extension, and a guide portion
  • the dust-proof portion is connected to the main body and has a sleeve.
  • the support shaft is adjacent to the first through hole at one end of the camera module
  • the dustproof part is used to seal the through hole to prevent foreign matter from entering the camera system
  • the main body part is used to The camera module extends out of the opening and abuts against the housing to limit the bracket.
  • the extension part is connected to the main body part and is located between the dustproof part and the transmission slider ,
  • the extension part is sleeved on the periphery of the guide rod, the guide part is connected to the main body part, and the transmission slider clamps the guide part, and the elastic element is located between the transmission slider and Between the main body.
  • the bracket further includes a connecting part and a bottom plate, the connecting part and the guiding part are both connected between the main body part and the bottom plate, and the connecting part is located at the periphery of the guiding part ,
  • the elastic element is sleeved on the guiding part.
  • the extension portion includes a connecting plate and a guide block, the connecting plate is connected between the main body and the guide block, and the guide block includes a second through hole and a third through hole.
  • the guide rod passes through the second through hole, and the support shaft passes through the third through hole;
  • the extension part further includes a first bush located in the second through hole, the The guide rod passes through the first bushing.
  • the dust-proof part includes a support plate connected to the main body part and a dust-proof plate arranged on the support plate, and the dust-proof plate is used to be accommodated in the through opening to seal the through hole.
  • the supporting plate and the main body are used together to abut the housing to limit the position of the bracket after the camera module extends out of the through opening.
  • the transmission slider includes a main part, an auxiliary part, and a guide sleeve sleeved on the periphery of the main part and the auxiliary part, and the main part includes spaced apart and connected to the support shaft and The transmission shaft is threadedly fitted with two threaded holes respectively, and the auxiliary part is sleeved on the periphery of the guide rod.
  • the guide sleeve includes a first accommodating portion sleeved on the periphery of the main body part, and a second accommodating portion connected to the first accommodating portion and sleeved on the periphery of the auxiliary component , And a clamping portion connected to a side of the second accommodating portion away from the first accommodating portion, the guiding portion is sleeved with a second bushing, and the clamping portion clamps the second On the bushing.
  • the support shaft includes a first connecting shaft portion, a second connecting shaft portion, a threaded portion, and an extension shaft portion that are sequentially connected, and the first connecting shaft portion passes through the dust-proof portion and the second A first surface of a connecting shaft portion away from the second connecting shaft portion is connected to the camera module, the second connecting shaft portion passes through the extension portion, and the threaded portion is threadedly engaged with the transmission slider .
  • one end of the second connecting shaft portion connecting the threaded portion is also sleeved with a clip, and the clip is located between the extension portion and the transmission slider for rotating the camera module During the movement, the supporting shaft is prevented from axial relative movement.
  • the transmission module further includes a base, and the base includes a first substrate, a second substrate, and a connector connected between the first substrate and the second substrate.
  • One end of the shaft passes through the first substrate and is connected to the drive module, the other end of the transmission shaft is adjacent to the second substrate, and the extension and the transmission slider are both located on the first substrate and Between the second substrates, the second connecting shaft portion passes through the second substrate, the extension shaft portion passes through the first substrate, and both ends of the guide rod are respectively fixed to the first substrate.
  • the base includes a first substrate, a second substrate, and a connector connected between the first substrate and the second substrate.
  • the first substrate further has a first accommodating hole and a third bushing received in the first accommodating hole, and the guide rod passes through the third bushing;
  • the second base plate further includes a second accommodating hole and a ball bearing located in the second accommodating hole, and an end of the transmission shaft away from the first base plate is pivotally connected to the ball bearing.
  • the first connecting shaft portion further includes a groove recessed from the first surface toward the second connecting shaft portion, and the groove penetrates the side surface of the first connecting shaft portion
  • the camera system further includes a flexible circuit board connected to the camera module, and the flexible circuit board is wound around the groove and folded on the periphery of the support shaft.
  • the flexible circuit board includes a first part, a second part, and a third part connected in sequence, the first part is accommodated in the groove and connected to the camera module, and the second part It is arranged around the periphery of the first connecting shaft portion, and the third part is folded and arranged on the periphery of the second connecting shaft portion.
  • a mobile terminal, its camera system and the casing the casing comprises a frame and a cover plate which is arranged on the frame and jointly encloses a containing space.
  • the frame is provided with the opening passing through it, the camera system is arranged in the containing space, and the camera module of the camera system is arranged directly opposite to the opening and can be passed through the opening.
  • the accommodating space protrudes.
  • the camera system includes a camera module; a drive module; and a drive module.
  • the transmission module includes a transmission shaft, a guide rod, a support shaft assembly, a transmission slider, and a dust-proof assembly.
  • the support shaft assembly is connected to the camera module and includes a support shaft.
  • the transmission slider is threadedly fitted to the The transmission shaft and the support shaft are sleeved on the guide rod, the dust-proof assembly is sleeved on the guide rod and the support shaft, and the transmission shaft is connected to the drive module to obtain a drive And the transmission shaft is used to rotate and make the transmission slider move along the guide rod and the transmission shaft, and then drive the support shaft assembly to drive the camera module to make a telescopic movement to extend the housing And drive the dust-proof assembly to make a telescopic movement along the guide rod, and when the camera module extends out of the hole and the dust-proof assembly is restricted, the dust-proof assembly will The opening is sealed to prevent foreign matter from entering the camera system, and the transmission shaft is also used to rotate and make the transmission slider move along the guide rod and the transmission shaft, thereby driving the support shaft assembly to drive the The camera module rotates relative to the dustproof assembly.
  • the camera system of the present invention when applied to a terminal, it can obtain driving force through the transmission shaft and drive the transmission slider and the support shaft to drive the camera module to perform telescopic and rotational motions. Thereby, the expansion and rotation of the driving camera system is realized, which is convenient for users to use.
  • the dust-proof assembly seals the opening to prevent foreign objects from entering the camera system, achieving better protection The effect and the technical effect of improving the service life and use experience of the camera system.
  • the guide rod is not only for the movement of the transmission slider, but can also be used for the movement of the dustproof assembly for telescopic movement.
  • the transmission slider and the dustproof assembly move smoothly in the axial direction, and also It can achieve dual purposes with one pole, and the overall width of the camera system is small (for example, controlled within 20 mm), which is close to the space occupied by a camera system with only a telescopic function.
  • the support shaft and the bracket adopt a special matching design, which can ensure that the support shaft remains relatively static in the axial direction, and at the same time, the support shaft has the freedom of turning.
  • the support shaft has the freedom of turning.
  • POM plastic
  • ball bearings and other measures to ensure the smallest steering friction
  • clip or the like to restrict the freedom of movement of the support shaft.
  • the dust-proof part includes a support plate connected to the main body part and a dust-proof plate arranged on the support plate, and the dust-proof plate is adjacent to the surface area of the camera module and the camera module
  • the cross-sectional area along the vertical expansion and contraction direction and the size of the opening are the same, so that the dust-proof plate can be just accommodated in the opening to seal the opening, achieving a better sealing effect.
  • the transmission sliding block includes a main body part, an auxiliary part, and a guide sleeve sleeved on the periphery of the main body part and the auxiliary part, that is, the transmission sliding block adopts an integrated double-thread design, so that the support The distance between the shaft and the drive module is very close, which ensures that the support shaft occupies a smaller space on the side of the drive module, optimizes the space occupied by the system, and is conducive to the use of the whole machine
  • the flexible circuit board includes a first part, a second part, and a third part connected in sequence, the first part is accommodated in the groove and connected to the camera module, and the second part is arranged around On the periphery of the first connecting shaft portion, the third part is folded and arranged on the periphery of the second connecting shaft portion.
  • the flexible circuit board is led out from the groove and can be automatically adjusted during the expansion and rotation of the camera module. For example, when the camera module is in a contracted state, the third part is initially folded In the state, the third part can be gradually unfolded during the rotating movement, and the second part can be further wound around the support shaft to achieve length adjustment, and the flexible circuit board is not easily damaged during the movement.
  • FIG. 1 is a schematic diagram of a three-dimensional structure of a camera system provided by an embodiment of the present invention
  • Fig. 2 is a three-dimensional exploded schematic diagram of the camera system shown in Fig. 1;
  • FIG. 3 is a schematic diagram of the three-dimensional structure of the transmission slider of the camera system shown in FIG. 2 from another angle.
  • FIG. 4 is a schematic diagram of the assembly structure of the support shaft and the flexible circuit board of the camera system shown in FIG. 2.
  • Fig. 5 is a schematic structural diagram of the camera system shown in 1 in a retracted state
  • Fig. 6 is a schematic structural diagram of the camera system shown in Fig. 1 in an extended state
  • FIGS 7 to 9 are respectively structural schematic diagrams of the camera system shown in Figure 1 in three different rotation states
  • FIG. 10 is a schematic structural diagram of a mobile terminal with a camera system according to an embodiment of the present invention.
  • FIG. 1 is a schematic diagram of a three-dimensional structure of a camera system 1 according to an embodiment of the present invention.
  • the camera system 1 can be used to be installed in a receiving space of a terminal (such as a mobile terminal), and it can include a camera module 10 , The drive module 20 and the drive module 30.
  • the driving module 20 is used to provide driving force and drive the camera module 10 through the transmission module 30 to make a telescopic movement to at least partially extend and retract to the receiving space of the terminal where it is located, and to drive the camera module 10 through the transmission module 30 to do Rotational movement to rotate relative to the terminal.
  • the driving module 20 is used to provide driving force to the transmission module 30.
  • the transmission module 30 includes a transmission shaft 31, a transmission sliding block 32, a support shaft assembly 33, a dustproof assembly 34, and a guide rod 35.
  • the support shaft assembly 33 is connected to the camera module 10 and includes a support shaft 330.
  • the transmission slider 32 is threadedly fitted to the transmission shaft 31 and the support shaft 330 and sleeved on the guide rod 35.
  • the dustproof component 34 is sleeved on the guide rod 35 and the support ⁇ 330 on.
  • the transmission shaft 31 is used to rotate and make the transmission slider 32 move along the guide rod 35 and the transmission shaft 31, and then drive the support shaft assembly 33 to drive the camera module 10 to make a telescopic movement to extend out of the opening of a housing (such as the camera system 1
  • the through opening of the housing of the terminal where it is located) and the driving dustproof assembly 34 extend and retract along the guide rod 35.
  • the dust-proof component 34 is used to seal the opening to prevent foreign objects from entering the camera system 1
  • the transmission shaft 31 is also used to rotate and make the transmission slider 32 Move along the guide rod 35 and the transmission shaft 31, and then drive the support shaft assembly 33 to drive the camera module 10 to rotate relative to the dustproof assembly 34.
  • the support shaft 330 is directly connected to the camera module 10, so in this embodiment, the driving module 20 can drive the camera module 10 through the transmission module 30 to make a telescopic movement to at least partially extend and retract to its position.
  • the accommodating space of the terminal and the driving of the camera module 10 through the transmission module 30 to rotate around the direction of the telescopic movement (such as the vertical direction) will be described as an example.
  • the structure of the support shaft assembly 33 of the transmission module 30 is modified and improved.
  • the support shaft assembly 33 can also drive the camera module 10 to extend and retract at least partially.
  • the housing space of the terminal and the driving camera module 10 to rotate around the direction of the vertical telescopic movement (such as the horizontal direction).
  • FIG. 2 is a three-dimensional exploded schematic diagram of the camera system 1 shown in FIG. 1.
  • the camera module 10 may include a lens assembly 11 and a housing 12 covered outside the lens assembly 11.
  • the lens assembly 11 may be an optical image stabilization camera, including but not limited to dual-camera, multi-camera, focusing lens and sensor assembly, flashlight , Infrared, facial recognition module, etc.
  • the driving module 20 may include a motor 21 and a reduction box 22 connected to the motor 21, where the motor 21 may be a stepping motor.
  • the dustproof assembly 34 may include a bracket 340 and an elastic element 349.
  • the bracket 340 includes a main body 341, a dustproof part 342, an extension part 343, a guiding part 344, a connecting part 345 and a bottom plate 346.
  • the dust-proof part 342 is connected to the main body part 341, and the dust-proof part 342 has a first through hole 342c sleeved on the end of the support shaft 330 adjacent to the camera module 10, and the dustproof part 342 is used to seal the opening to prevent foreign objects from entering the camera System 1.
  • the dustproof part 342 may include a support plate 342a connected to the main body part 341 and a dustproof plate 342b disposed on the support plate 342a, and the dustproof plate 342b is used to be accommodated in the opening to seal the opening.
  • the first through hole 342c penetrates the dustproof plate 342b and the supporting plate 342b.
  • At least one of the main body 341 and the support plate 342 can be used to abut the housing after the camera module 10 extends out of the through opening to limit the bracket 340.
  • the main body 341 and the supporting plate 342 can abut against the housing to limit the bracket 340.
  • the size of the dust-proof plate 342b, the cross-sectional area of the camera module 10 along the vertical expansion and contraction direction, and the size of the opening are basically equal to achieve a better dust-proof effect, and the dust-proof plate 342b is adjacent to the camera module
  • the surface of 10, the cross section of the camera module 10 along the vertical expansion and contraction direction, and the shape of the opening may all be elliptical.
  • a rubber ring can be further placed on the periphery of the dust-proof plate 342b, and the rubber ring is sandwiched between the dust-proof plate 342b and the housing 42 to achieve complete sealing of the opening.
  • the extension portion 343 is connected to the main body portion 341 and is located between the dustproof portion 342 and the transmission sliding block 321, and the extension portion 343 is sleeved on the periphery of the guide rod 35.
  • the extension portion 343 includes a connecting plate 343a, a guide block 343b, and a first bushing 343c.
  • the connecting plate 343a is connected between the main body 341 and the guide block 343b.
  • the extending direction of the connecting plate 343a may be perpendicular to the extending direction of the guide block 343b.
  • the guide block 343b includes a second through hole 343d and a third through hole 343e, the support shaft 330 passes through the third through hole 343d, the first bushing 343c is located in the second through hole 343d, and the guide rod 35 passes through the first bushing 343c passes through the second through hole 343d.
  • the first bushing 343c may be a plastic (POM) guide bushing.
  • the connecting portion 345 and the guiding portion 344 are both connected between the main body portion 341 and the bottom plate 346, and the connecting portion 345 may be provided on the periphery of the guiding portion 344.
  • the guiding portion 344 is a guiding shaft, which can be fixed to the bottom plate 346 by spot welding.
  • the transmission sliding block 32 is also sleeved on the guiding part 344.
  • the elastic element 349 is located between the transmission slider 32 and the main body portion 341, and the elastic element 349 may include a spring sleeved on the guiding portion 344.
  • the spring is installed in a pre-compressed state, and the working force meets the condition of greater than the system resistance (about 200 ⁇ 300g).
  • FIG. 3 is a three-dimensional structure diagram of the transmission slider of the camera system shown in FIG. 2 from another angle.
  • the transmission slider 32 includes a main part 321, an auxiliary part 323, and a guide sleeve 322 sleeved on the periphery of the main part 321 and the auxiliary part 323.
  • the main part 321 includes first threaded holes 321a arranged at intervals and threadedly fitted with the support shaft 330 , A second threaded hole 321b that is threadedly engaged with the transmission shaft 31.
  • the auxiliary member 323 includes a light hole 323 a sleeved on the periphery of the guide rod 35.
  • the guide sleeve 322 includes a first accommodating portion 322a sleeved on the periphery of the main body member 321, a second accommodating portion 322b connected to the first accommodating portion 322a and sleeved on the periphery of the auxiliary member 323, and connected to the second accommodating portion 322a.
  • the portion 322b is away from the clamping portion 322c on the side of the first accommodating portion 322a.
  • the guiding portion 344 is also sheathed with a second bushing 344a, the clamping portion 322c is substantially C-shaped, and the clamping portion 322c clamps the second bushing 344a to clamp the guiding portion 344.
  • the material of the main part 321 and the auxiliary part 323 may be plastic.
  • the material of the guide sleeve 322 can also be plastic.
  • the main body part 321, the guide sleeve 322, and the auxiliary part 323 can be formed separately, and the main part 321 and the auxiliary part 323 are respectively inserted into the first accommodation of the guide sleeve 322 after forming.
  • the portion 322a and the second receiving portion 322b form an integral structure.
  • FIG. 4 is a schematic diagram of the assembly structure of the support shaft 330 and the flexible circuit board 36 of the camera system 1 described in FIG. 2.
  • the supporting shaft 330 includes a first connecting shaft portion 331, a second connecting shaft portion 332, a threaded portion 333 and an extending shaft portion 334 connected in sequence.
  • the first connecting shaft portion 331 passes through the first through hole 342c of the dust-proof portion 342 and is connected to the camera module 10. Specifically, the first connecting shaft portion 331 is away from the first surface 331a of the second connecting shaft portion 332 and the camera module 10 is connected, specifically, the first connecting shaft portion 331 and the camera module 10 are connected by a fastening method (including but not limited to threads, pins, gluing, etc.).
  • the second connecting shaft portion 332 passes through the extension portion 343, and the threaded portion 333 is threadedly engaged with the first threaded hole 321 a of the transmission slider 32.
  • the first connecting shaft portion 331 further includes a groove 335 recessed from the first surface 331a in the direction of the second connecting shaft portion 332.
  • the groove 335 penetrates the side surface of the first connecting shaft portion 332.
  • the camera system 1 further includes The flexible circuit board 36 is connected to the camera module 10, and the flexible circuit board 36 is connected to the camera module 10, passes through the groove 335 and is wound around and folded around the first connecting shaft portion 331.
  • the flexible circuit board 36 includes a first part 361, a second part 362, and a third part 363 that are connected in sequence.
  • the first part 361 is accommodated in the groove 335, one end of which is connected to the camera module 10, and the other end is connected to the second part 362.
  • the second portion 362 is arranged around the periphery of the first connecting shaft portion 331.
  • the third portion 363 is folded and disposed on the periphery of the second connecting shaft portion 332.
  • One end of the second connecting shaft portion 332 connected to the threaded portion 333 is also sleeved with a clip 38.
  • the shape of the clip 38 can be C-shaped. It is also located between the extension portion 343 and the transmission slider 32 for attaching to the camera module. 10 Prevent relative movement of the supporting shaft 330 in the axial direction when rotating.
  • the transmission module 30 further includes a base 37.
  • the base 37 includes a first substrate 371, a second substrate 372, and a connecting member 373 connected between the first substrate 371 and the second substrate 372.
  • the connecting member 373 may be a connecting plate vertically connected between the first substrate 371 and the second substrate 372.
  • One end of the transmission shaft 31 passes through the first substrate 371 and is connected to the drive module 20, the other end of the transmission shaft 31 is adjacent to the second substrate 372, and the extension 343 and the transmission module 32 are located between the first substrate 371 and the second substrate 372
  • the second connecting shaft portion 332 passes through the second substrate 372, the extension shaft portion 374 passes through the first substrate 371, and both ends of the guide rod 35 are fixed on the first substrate 371 and the second substrate 372.
  • the first base plate 371 also has a first accommodating hole 371a and a third bushing 371b received in the first accommodating hole 371a, and the guide rod 35 passes through the third bushing 371b.
  • the third bushing 371b may be a plastic (POM) guide bush.
  • the second base plate 372 may further include a second accommodating hole 372a and a ball bearing 372b located in the second accommodating hole 372a, and an end of the transmission shaft 31 away from the first base plate 371 may be pivotally connected to the ball bearing 372b.
  • Figure 5 is a schematic diagram of the structure of the camera system 1 shown in Figure 1 in the retracted state
  • Figure 6 is the structure of the camera system 1 shown in Figure 1 in the extended state
  • Figs. 7, 8 and 9 are schematic structural diagrams of the camera system 1 shown in Fig. 1 in three different rotation states. The following describes the five different states of the camera system 1 and the switching process between the different states in conjunction with FIG. 5, FIG. 6, FIG. 7, FIG. 8, and FIG. 9. It can be understood that FIG. 5, FIG. 6, FIG. 7, FIG. 8 and FIG.
  • FIG. 9 show at least part of the terminal housing 41 where the camera system 1 is located, which is used as a reference object for the camera system 1 in the telescopic and rotational motions.
  • the motor 21 of the drive module 20 rotates (for example, counterclockwise), and drives the transmission shaft 31 to rotate, so that the transmission is slippery.
  • the block 32 moves along the transmission shaft 31 and the guide rod 35 to drive the support shaft 330, the elastic element 349, the bracket 340, the flexible circuit board 36 and the camera module 10 to move to the side where the camera module 10 is located, wherein the bracket 340 Moving along the guide rod 35 makes the camera module 10 gradually extend out of the terminal housing 41.
  • the bracket 340 abuts against the housing 41 of the terminal where it is located, the camera module 10 reaches a predetermined position of extension, and stops continuing to extend. As shown in FIG.
  • the camera module 10 is fully extended from the port 43.
  • the support shaft 330 is also restricted by the clip 38 and then stops extending in the axial direction.
  • the support plate 342a of the dust-proof portion 342 and the main body 341 abut the housing 41 so that the bracket 340 is restricted and no longer Continuing to extend the movement, the dust-proof plate 342b of the dust-proof part 342 is just received in the through opening 43 to seal the through opening 43.
  • the driving module 20 further drives the transmission shaft 31 to rotate, so that the transmission slider 32 is along the transmission shaft 31. And the guide rod 35 moves (for example, moves upward).
  • the bracket 340 is limited, the movement of the transmission slider 32 will drive the support shaft 330 to rotate, and the elastic element 349 is compressed, and the second part of the flexible circuit board 36 362 further surrounds the periphery of the first connecting shaft portion 331, and further pulls the third part 363 so that part of the third part 363 is unfolded from the folded state, and the support shaft 330 drives the camera module 10 to rotate (eg rotate to the left) to realize the camera module 10 rotation (such as turning left), and then sequentially reach the rotation state shown in FIG. 7 or FIG. 8, wherein, in FIGS. 7 and 8, the left rotation angle of the camera module 10 compared to the state of FIG. 6 is approximately 45 Degrees and 90 degrees.
  • the dust-proof plate 342 b is always accommodated in the through opening 43 and seals the through opening 43.
  • the drive module 20 further drives the transmission shaft 31 to rotate, so that the transmission slider 32 moves along the transmission shaft 31 and the guide rod 35 (such as further upward movement).
  • the bracket 340 is restricted, the movement of the transmission slider 32 will drive the support shaft 330 to rotate, and the elastic element 349 is compressed, the second part 362 of the flexible circuit board 36 further surrounds the periphery of the first connecting shaft portion 331 and further pulls
  • the third part 363 enables the part of the third part 363 to be further unfolded from the folded state, and the support shaft 330 drives the camera module 10 to further rotate (for example, to further rotate to the left) to realize the further rotation of the camera module 10, which can be achieved as shown in FIG. 9
  • the rotation angle of the camera module 10 is approximately 180 degrees compared to the state in FIG. 6.
  • the dust-proof plate 342b is always accommodated in the through opening 43 and seals the through opening 43.
  • the driving module 20 further drives the transmission shaft 31 to rotate, so that the transmission slider 32 is along the transmission shaft 31 and the guide rod 35 moves (such as further upward).
  • the bracket 340 is limited, the movement of the transmission slider 32 will drive the support shaft 330 to rotate, and the elastic element 349 is compressed, and the second part 362 of the flexible circuit board 36 is further Surround the periphery of the first connecting shaft portion 331, and further pull the third part 363 to further unfold part of the third part 363 from the folded state.
  • the support shaft 330 drives the camera module 10 to further rotate (for example, to rotate further to the left) to realize the camera module Further rotation of the group 10 can achieve a 360-degree rotation state of the camera module 10 compared to the extended state shown in FIG. 6.
  • a half lead (about 1.2 mm) of the transmission slider 32 can make the camera module 10 rotate 180 degrees, and one lead can make the camera module 10 rotate 360 degrees.
  • the dust-proof plate 342b is always accommodated in the through port 43 and seals the through port 43.
  • the driving module 20 drives the transmission shaft 31 to rotate, so that the transmission slider 32 is along the transmission shaft 31 and the guide rod 35 moves, the support shaft 330 drives the camera module 10 to rotate, the second part 362 of the flexible circuit board 36 further partially unwinds the first connecting shaft part 331, and further pulls the third part 363 so that part of the third part 363 From the unfolded state to the folded state, the camera module 10 shown in Figure 9, Figure 8 or Figure 7 is first rotated to the extended state shown in Figure 6, and then the drive shaft 31 is driven to rotate through the drive module 20 , So that the transmission slider 32 moves along the transmission shaft 31, and drives the support shaft 330 to move downwards, and then drives the support shaft 330 and the camera module 10 to move downwards.
  • the drive module 20 stops the rotation of the drive shaft 31 to complete the contraction and concealment of
  • the camera system 1 of the present invention when the camera system 1 of the present invention is applied to a terminal, it can obtain driving force through the transmission shaft 31 and drive the transmission slider 32 and the support shaft assembly 33 to drive the camera module 10 to perform telescopic and rotational movement, thereby achieving In order to drive the expansion and rotation of the camera system 1, it is convenient for users to use.
  • the dust-proof assembly 34 seals the opening 43 to prevent foreign objects from entering the camera system 1, to achieve a better protection effect and improve the camera system 1. The service life and the technical effect of the use experience.
  • the guide rod 35 is not only for the movement of the transmission slider 32, but also for the movement of the dustproof assembly 34 for telescopic movement. On the one hand, it can ensure the smooth movement of the transmission slider 32 and the dustproof assembly 34 in the axial direction, and it can also achieve two rods. Therefore, the overall width of the camera system 1 is relatively small (for example, controlled within 20 mm), which is close to the occupied space of the camera system 1 with only a telescopic function.
  • the support shaft 330 and the bracket 340 adopt a special matching design, which can ensure that the support shaft 340 remains relatively stationary in the axial direction, and at the same time, the support shaft 330 has the freedom of turning.
  • the third bushing 371b, the first bushing 343c, and the ball bearing 372b of the plastic (POM) guide bushing are used to ensure the smallest steering friction; the clamp 38 is used to restrict the freedom of movement of the support shaft 330.
  • the dust-proof part 342 includes a supporting plate 342a connected to the main body part 341 and a dust-proof plate 342b disposed on the supporting plate 342a.
  • the dust-proof plate 342b is adjacent to the surface area of the camera module 10 and the camera module 10 is in a vertical expansion and contraction direction.
  • the cross-sectional area and the area of the opening 43 are approximately the same, so that the dust-proof plate 342b can be just accommodated in the opening 43 to seal the opening 43, achieving a better sealing effect.
  • the transmission slider 32 includes a main part 321, an auxiliary part 323, and a guide sleeve 322 sleeved on the periphery of the main part 321 and the auxiliary part 323.
  • the main part 321 is threadedly matched with the support shaft 330 and the transmission shaft 31, and the transmission slide
  • the block 32 can adopt an integrated double-thread design, so that the distance between the support shaft 330 and the drive module 20 is very close, which ensures that the support shaft 330 occupies a smaller space on the side of the drive module 20, optimizes the space occupied by the system, and facilitates Whole machine application
  • the flexible circuit board 36 includes a first part 361, a second part 362, and a third part 363 connected in sequence.
  • the first part 361 is received in the groove 335 and connected to the camera module 10, and the second part 362 is arranged around the first part 362.
  • a connecting shaft portion 331 is peripheral, and the third portion 363 is folded and disposed on the outer periphery of the second connecting shaft portion 332.
  • the flexible circuit board 36 is drawn from the groove 335 and arranged around it, and can be automatically adjusted during the expansion and rotation of the camera module 10. For example, when the camera module 10 is in a contracted state, the third part 363 is in an initial folded state.
  • the third part 363 can be gradually expanded during the rotation, and the second part 362 can be further wound around the support shaft 330 to adjust the length, so that the flexible circuit board 36 is not easily damaged during the movement.
  • FIG. 10 is a schematic structural diagram of a mobile terminal 4 with a camera system 1 according to an embodiment of the present invention.
  • the mobile terminal 4 is a smart phone.
  • the mobile terminal 4 may also be a tablet computer or other mobile terminal with a camera function.
  • the mobile terminal 4 includes a housing 41 and a camera system 1 that can be received in the housing space 413 of the housing 41 and can at least partially extend out of the housing space 413.
  • the housing 41 includes a frame 411, a cover plate 412 (such as a front cover plate and a rear cover plate, where the back cover plate and the frame can be formed as an integral structure), which is covered on the frame 411 and collectively encloses a receiving space 413, and is arranged in the housing
  • the frame 411 is provided with a through-hole 43 passing through it.
  • the camera module 10 and the through-hole 43 are arranged directly opposite, and the camera module 10 can pass through the drive module 20 and the transmission module 30.
  • the camera module 10 can be opposed to the housing of the terminal 4 41 is rotated, so that the camera module 10 can be rotated and retracted.
  • the camera system 1 is not limited to the above structure, and can be adjusted according to actual structural needs.
  • the top end of the camera module 10 and the opening 43 are located on the same plane, so that the camera module 10 encapsulates the opening 43 and is hidden in In the accommodating space 413, the appearance of the mobile terminal 4 is an integral and complete structure, and the appearance is more aesthetic.
  • Figure 5 is a schematic diagram of the structure of the camera system 1 shown in Figure 1 in the retracted state
  • Figure 6 is the structure of the camera system 1 shown in Figure 1 in the extended state
  • Figs. 7, 8 and 9 are schematic structural diagrams of the camera system 1 shown in Fig. 1 in three different rotation states. The following describes the five different states of the camera system 1 and the switching process between the different states in conjunction with FIG. 5, FIG. 6, FIG. 7, FIG. 8, and FIG. 9. It can be understood that FIG. 5, FIG. 6, FIG. 7, FIG. 8 and FIG.
  • FIG. 9 show at least part of the terminal housing 41 where the camera system 1 is located, which is used as a reference object for the camera system 1 in the telescopic and rotational motions.
  • the motor 21 of the drive module 20 rotates (for example, counterclockwise), and drives the transmission shaft 31 to rotate, so that the transmission is slippery.
  • the block 32 moves along the transmission shaft 31 and the guide rod 35 to drive the support shaft 330, the elastic element 349, the bracket 340, the flexible circuit board 36 and the camera module 10 to move to the side where the camera module 10 is located, wherein the bracket 340 Moving along the guide rod 35 makes the camera module 10 gradually extend out of the terminal housing 41.
  • the bracket 340 abuts against the housing 41 of the terminal where it is located, the camera module 10 reaches a predetermined position of extension, and stops continuing to extend. As shown in FIG.
  • the camera module 10 is fully extended from the port 43.
  • the support shaft 330 is also restricted by the clip 38 and then stops extending in the axial direction.
  • the support plate 342a of the dust-proof portion 342 and the main body 341 abut the housing 41 so that the bracket 340 is restricted and no longer Continuing to extend the movement, the dust-proof plate 342b of the dust-proof part 342 is just received in the through opening 43 to seal the through opening 43.
  • the driving module 20 further drives the transmission shaft 31 to rotate, so that the transmission slider 32 is along the transmission shaft 31. And the guide rod 35 moves (for example, moves upward).
  • the bracket 340 is limited, the movement of the transmission slider 32 will drive the support shaft 330 to rotate, and the elastic element 349 is compressed, and the second part of the flexible circuit board 36 362 further surrounds the periphery of the first connecting shaft portion 331, and further pulls the third part 363 so that part of the third part 363 is unfolded from the folded state, and the support shaft 330 drives the camera module 10 to rotate (eg rotate to the left) to realize the camera module 10 rotation (such as turning left), and then sequentially reach the rotation state shown in FIG. 7 or FIG. 8, wherein, in FIGS. 7 and 8, the left rotation angle of the camera module 10 compared to the state of FIG. 6 is approximately 45 Degrees and 90 degrees.
  • the dust-proof plate 342 b is always accommodated in the through opening 43 and seals the through opening 43.
  • the drive module 20 further drives the transmission shaft 31 to rotate, so that the transmission slider 32 moves along the transmission shaft 31 and the guide rod 35 (such as further upward movement).
  • the bracket 340 is restricted, the movement of the transmission slider 32 will drive the support shaft 330 to rotate, and the elastic element 349 is compressed, the second part 362 of the flexible circuit board 36 further surrounds the periphery of the first connecting shaft portion 331 and further pulls
  • the third part 363 enables the part of the third part 363 to be further unfolded from the folded state, and the support shaft 330 drives the camera module 10 to further rotate (for example, to further rotate to the left) to realize the further rotation of the camera module 10, which can be achieved as shown in FIG. 9
  • the rotation angle of the camera module 10 is approximately 180 degrees compared to the state in FIG. 6.
  • the dust-proof plate 342b is always accommodated in the through opening 43 and seals the through opening 43.
  • the driving module 20 further drives the transmission shaft 31 to rotate, so that the transmission slider 32 is along the transmission shaft 31 and the guide rod 35 moves (such as further upward).
  • the bracket 340 is limited, the movement of the transmission slider 32 will drive the support shaft 330 to rotate, and the elastic element 349 is compressed, and the second part 362 of the flexible circuit board 36 is further Surround the periphery of the first connecting shaft portion 331, and further pull the third part 363 to further unfold part of the third part 363 from the folded state.
  • the support shaft 330 drives the camera module 10 to further rotate (for example, to rotate further to the left) to realize the camera module Further rotation of the group 10 can achieve a 360-degree rotation state of the camera module 10 compared to the extended state shown in FIG. 6.
  • a half lead (about 1.2 mm) of the transmission slider 32 can make the camera module 10 rotate 180 degrees, and one lead can make the camera module 10 rotate 360 degrees.
  • the dust-proof plate 342b is always accommodated in the through port 43 and seals the through port 43.
  • the driving module 20 drives the transmission shaft 31 to rotate, so that the transmission slider 32 is along the transmission shaft 31 and the guide rod 35 moves, the support shaft 330 drives the camera module 10 to rotate, the second part 362 of the flexible circuit board 36 further partially unwinds the first connecting shaft part 331, and further pulls the third part 363 so that part of the third part 363 From the unfolded state to the folded state, the camera module 10 shown in Figure 9, Figure 8 or Figure 7 is first rotated to the extended state shown in Figure 6, and then the drive shaft 31 is driven to rotate through the drive module 20 , So that the transmission slider 32 moves along the transmission shaft 31, and drives the support shaft 330 to move downwards, and then drives the support shaft 330 and the camera module 10 to move downwards.
  • the drive module 20 stops the rotation of the drive shaft 31 to complete the contraction and concealment of
  • the mobile terminal 4 in the present invention may also have the following application scenarios: during normal shooting, the motor 21 drives the camera module 10 to rise straight to the shooting position; when in 360-degree panoramic shooting, the motor 21 drives the camera module 10 When rotating, the optical image stabilization camera can compensate for the shaking of the hand and the camera module 10 during the rotation; in the pre-shooting, the motor 211 drives the camera module 10 to rotate quickly, and the completion time can be within 0.1 second; the moving object is dynamic During focusing and tracking, the two cameras can analyze the angle of the moving object and the camera in real time.
  • the motor 21 acts to drive the camera rotation compensation to achieve real-time focusing of the moving object; shooting at any angle, control the motor 21 to rotate to a specific angle, even when facing the screen It can shoot at any angle within the range of 360°, without the need to rotate the human body, which is more convenient.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Studio Devices (AREA)
  • Camera Bodies And Camera Details Or Accessories (AREA)

Abstract

La présente invention concerne un système de caméra et un terminal mobile. Le système de caméra comprend un module de caméra, un module d'entraînement et un module de transmission. Le module de transmission comprend un arbre de transmission, une tige de guidage, un composant d'arbre de support, un bloc coulissant de transmission et un ensemble anti-poussière. L'arbre de transmission est relié au module d'entraînement de façon à acquérir une force d'entraînement, et l'arbre de transmission est utilisé pour entraîner, au moyen du bloc coulissant de transmission, le composant d'arbre de support pour entraîner le module de caméra à effectuer un mouvement de rétraction de façon à s'étendre hors d'un trou traversant d'un boîtier et à entraîner l'ensemble anti-poussière pour effectuer un mouvement de rétraction le long de la tige de guidage, et lorsque le module de caméra s'étend hors du trou traversant et que l'ensemble anti-poussière est limité, l'ensemble étanche à la poussière scelle le trou traversant, et l'arbre de transmission est en outre utilisé pour entraîner, au moyen du bloc coulissant de transmission, le composant d'arbre de support pour entraîner le module de caméra pour effectuer un mouvement de rotation. Ainsi, le système de caméra peut mettre en œuvre la rétraction et la rotation du module de caméra, de façon à faciliter l'utilisation par un utilisateur. De plus, le système de caméra peut également empêcher des corps étrangers de pénétrer dans le système pendant la rétraction et la rotation, a une structure compacte et occupe un petit espace.
PCT/CN2019/127940 2019-12-24 2019-12-24 Système de caméra et terminal mobile WO2021127984A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/127940 WO2021127984A1 (fr) 2019-12-24 2019-12-24 Système de caméra et terminal mobile

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107197133A (zh) * 2017-07-21 2017-09-22 维沃移动通信有限公司 一种移动终端及摄像头组件
US20190129466A1 (en) * 2017-10-31 2019-05-02 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Functional device and mobile terminal
CN109788683A (zh) * 2019-01-31 2019-05-21 维沃移动通信有限公司 电子设备
CN110493458A (zh) * 2019-07-30 2019-11-22 维沃移动通信有限公司 移动终端及其控制方法
US10567558B2 (en) * 2017-12-06 2020-02-18 Shenzhen Zhaowei Machinery & Electronics Co., Ltd. Camera extending and retracting device and mobile phone

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107197133A (zh) * 2017-07-21 2017-09-22 维沃移动通信有限公司 一种移动终端及摄像头组件
US20190129466A1 (en) * 2017-10-31 2019-05-02 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Functional device and mobile terminal
US10567558B2 (en) * 2017-12-06 2020-02-18 Shenzhen Zhaowei Machinery & Electronics Co., Ltd. Camera extending and retracting device and mobile phone
CN109788683A (zh) * 2019-01-31 2019-05-21 维沃移动通信有限公司 电子设备
CN110493458A (zh) * 2019-07-30 2019-11-22 维沃移动通信有限公司 移动终端及其控制方法

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