CN111435951A - Camera driving device and mobile terminal - Google Patents
Camera driving device and mobile terminal Download PDFInfo
- Publication number
- CN111435951A CN111435951A CN201910028339.5A CN201910028339A CN111435951A CN 111435951 A CN111435951 A CN 111435951A CN 201910028339 A CN201910028339 A CN 201910028339A CN 111435951 A CN111435951 A CN 111435951A
- Authority
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- China
- Prior art keywords
- camera
- driving device
- power unit
- main body
- connecting portion
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- Legal status (The legal status 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 status listed.)
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Classifications
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- 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
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- 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
- H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Studio Devices (AREA)
Abstract
The present disclosure relates to a camera driving device and a mobile terminal, the camera driving device including: the screw rod is connected with the power unit; the shifting block is provided with a threaded hole and is sleeved on the screw rod; the camera module comprises a camera main body and an FPC, the FPC extends out of the camera main body, the camera main body is installed on the shifting block, the power unit drives the screw rod to enable the camera main body to move along the axial direction, the camera driving device is switched between a first state and a second state, the camera main body is located above a shaft of the screw rod under the first state and the second state, and at least part of the FPC is located on one side of the power unit in the left-right direction. The camera main body is positioned above the shaft of the screw rod, so that the resistance of the camera module to movement and the abrasion of a sealing ring near the camera module can be reduced. The FPC is positioned on one side of the power unit in the left-right direction, so that the thickness space of the FPC in the front-back direction is not influenced.
Description
Technical Field
The present disclosure relates to a camera driving device and a terminal device.
Background
At present, a 'full screen' becomes an important target pursued in the design process of a smart phone, and a higher screen occupation ratio can enable a user to have better experience when playing games and watching videos. And the front camera is an important factor for preventing the screen occupation ratio from further increasing. At present, in order to keep the function of a front camera, the opening and the slotting on the screen cannot be avoided, so that the screen occupation ratio is improved, and the visual experience and the attractiveness of a user are influenced. The scheme of the pop-up front-mounted camera can well avoid the opening and the slotting of the screen, and realize the real 'full screen'. Therefore, the pop-up camera becomes a solution for realizing a 'full screen' at present. The pop-up camera is a camera module that is mounted inside a main body, and when the front camera is used, the camera module pops up from the main body and retracts into the main body after use.
In the related art, an automatic pop-up device for a front camera of a mobile phone comprises: motor, lead screw, guide arm, shifting block, camera module, transmission and the parallel arrangement of camera module, the motor drives the lead screw rotation, converts the linear motion of shifting block into through lead screw rotary motion, and the camera module is stirred to the shifting block and realizes the up-and-down motion, and the guide arm is located between camera module and the lead screw, plays the guide effect to the shifting block, and the straight reciprocating motion is realized to the help shifting block.
In the structure, the transmission device is arranged on one side of the camera module in parallel, the transverse space of the main board is greatly occupied, and the acting force of the shifting block on the camera module is located on one side of the camera module, so that the camera module is unevenly stressed in the motion process and is easy to shake, and meanwhile, the abrasion to the sealing ring near the camera module and the resistance to the motion of the camera module are also aggravated.
Disclosure of Invention
In order to overcome the problems in the related art, the present disclosure provides a camera driving device and a mobile terminal, which enable the camera module to be stressed in a moving process in a balanced manner, and not to shake easily, thereby reducing the resistance of the camera module to move.
According to a first aspect of the embodiments of the present disclosure, there is provided a camera driving device including:
a power unit, a power unit and a power unit,
the screw rod is connected to the power unit;
the shifting block is provided with a threaded hole and is sleeved on the screw rod; and
the camera module comprises a camera main body and an FPC, wherein the FPC extends out of the camera main body, the camera main body is installed on the shifting block, the power unit drives the screw rod to rotate positively and reversely to enable the camera main body to move axially along the screw rod, so that the camera driving device is switched between a first state and a second state, the camera main body is located above a shaft of the screw rod, and at least part of the FPC is located on one side of the power unit in the left-right direction.
Preferably, the FPC includes a first connecting portion, a second connecting portion, and an extending portion, the first connecting portion and the second connecting portion being connected through the extending portion, the first connecting portion extending from the camera body, the second connecting portion and the extending portion being located on one side of the power unit in the left-right direction.
Preferably, the camera module is located directly axially above the lead screw.
Preferably, two corner portions are provided between the first connecting portion and the expanded portion so that the first connecting portion is offset from the expanded portion and the second connecting portion in the left-right direction.
Preferably, in at least one of the first state and the second state, the number of layers in which the stretch portions overlap is at least three.
Preferably, the camera driving device is provided with a cover plate, the cover plate covers at least part of the rear side of the shifting block, and the first connecting part is bonded to the cover plate.
Preferably, the camera driving device is further provided with a reinforcing plate connecting the FPC to the cover plate, and at least part of the first connecting portion is located between the cover plate and the reinforcing plate.
According to a second aspect of the embodiments of the present disclosure, there is provided a terminal device including the camera driving apparatus according to any one of the above-mentioned technical solutions.
Preferably, the terminal equipment further comprises a middle frame and a first support, and the power unit is fixedly connected to the middle frame through the first support.
Preferably, the camera driving device is provided with a guide rail extending in an up-down direction, the middle frame is provided with a guide rail groove extending in the up-down direction, and the guide rail is embedded in the guide rail groove.
Preferably, the shifting block is provided with a first limiting portion and a second limiting portion, the first limiting portion protrudes out of one side surface of the shifting block in the vertical direction, when the camera driving device is in the first state, the first limiting portion abuts against the first support and/or the power unit, the second limiting portion protrudes out of the other side surface of the shifting block in the vertical direction, and when the camera driving device is in the second state, the second limiting portion abuts against the middle frame.
The technical scheme provided by the embodiment of the disclosure can obtain the following beneficial effects: the camera main part is located the top of the axle of lead screw, can make the camera main part along upper and lower direction motion in-process atress balanced, is difficult for rocking, reduces the resistance of camera module motion and to the wearing and tearing of the near sealing washer of camera module. The FPC is positioned on one side of the power unit in the left-right direction, so that the circuit layout is reasonable, and the thickness space of the FPC in the front-back direction is not influenced.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
Fig. 1 is a schematic structural diagram illustrating a camera driving apparatus according to an exemplary embodiment.
Fig. 2 is a schematic view of another angle of the camera driving apparatus according to an exemplary embodiment.
Fig. 3 shows a left side view of fig. 1 (a view viewed from the right side of the camera driving device).
Fig. 4 is a schematic diagram showing a partial structure of a camera driving device according to an exemplary embodiment (FPC, cover plate, and stiffener are not shown).
Fig. 5 is a schematic diagram showing a partial structure of a camera driving apparatus according to an exemplary embodiment (a camera module, a cover plate, a second bracket, and a reinforcing plate are not shown).
Description of the reference numerals
1 power unit 11 motor 12 speed reducer
2 first support
3 second bracket 31 groove 32 guide rail
4 lead screw
5 first position-limiting part 52 and second position-limiting part of shifting block 51
6 cover plate
7 camera module 71 camera main body 72 FPC 721 first connection portion 722 second connection portion 723 extending portion 724 corner portion
8 reinforcing plate.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
In the following description, if not specifically stated, the up-down direction refers to a moving direction of the camera module 7, the front-back direction refers to a direction in which the lens in the camera module 7 faces and departs, and the left-right direction is perpendicular to both the up-down direction and the front-back direction.
Referring to fig. 1 to 5, the present invention provides a terminal device having a camera driving apparatus, which includes a power unit 1, a first bracket 2, a second bracket 3, a lead screw 4, a dial 5, a cover plate 6, a camera module 7, and a reinforcing plate 8.
The power unit 1 is fixedly connected to the first support 2, the screw rod 4 is connected to the power unit 1, the screw rod 4 extends in the up-and-down direction, and the screw rod 4 can be driven to rotate by the power unit 1. The shifting block 5 is provided with a threaded hole matched with the screw rod 4, and the screw rod 4 is sleeved with the shifting block 5 and is in threaded fit with the screw rod 4. The shifting block 5 is connected with the camera module 7 through the second support 3, the camera module 7 can move along with the shifting block 5 in the up-and-down direction through the rotation of the screw rod 4, so that the camera driving device is switched between a first state and a second state, the camera module 7 retracts in the first state, and the camera module 7 is pushed out in the second state.
In the present disclosure, the terminal device may be a mobile phone, a tablet computer, or the like having a display screen and a camera. The first bracket 2 may be fixedly coupled to a center frame (not shown) of the terminal device by screws, thereby fixedly coupling the power unit 1 to the terminal device. It can be understood that the terminal device is generally thin and light, and therefore the dimension of the camera driving device in the front-back direction is significantly smaller than that in the left-right direction.
The power unit 1 may include a motor 11, such as a stepper motor, and a reducer 12. The speed reducer 12 is attached to an output shaft of the motor 11, and the screw 4 is attached to an output shaft of the speed reducer 12, so that the screw 4 can be rotated.
As shown in fig. 4 and 5, the dial 5 is further provided with a first limiting portion 51 and a second limiting portion 52, the first limiting portion 51 is disposed on one side of the dial 5 in the vertical direction, the second limiting portion 52 is disposed on the other side of the dial 5 in the vertical direction, and the first limiting portion 51 and the second limiting portion 52 can limit the movable range of the dial 5 in the vertical direction. For example, the first position-limiting portion 51 protrudes downward, so that when the dial 5 moves downward to the first state, the first position-limiting portion 51 may abut against the first bracket 2 or the power unit 1, thereby limiting the movement of the dial 5. The second position-limiting portion 52 protrudes upward, so that when the shifting block 5 moves upward to the second state, the second position-limiting portion 52 can abut against the middle frame, thereby limiting the movement of the shifting block 5.
As shown in fig. 1 to 3, the camera module 7 includes a camera main body 71 and an FPC (flexible circuit board) 72, the FPC72 extending from the camera main body 71. The camera body 71 is disposed in the extending direction of the screw 4, that is, the camera body 71 is located above, e.g., on the upper side of, the axis of the screw 4, and preferably, the camera body 71 is located directly above the screw 4. Therefore, the camera module 7 is stressed in a vertical movement process, is not easy to shake, has small resistance, and has small abrasion to the sealing ring near the camera main body 71.
The FPC72 includes a first connection portion 721, a second connection portion 722, and an extension portion 723. The first connection portion 721 and the second connection portion 722 are connected by the stretch portion 723, and the number of layers where the stretch portions 723 overlap is at least three. The first connection part 721 extends from the camera main body 71, and the second connection part 722 is connected to a circuit board such as a main board (not shown). During the movement of the camera main body 71 in the up-down direction, the extending portion 723 can be extended and folded, so that the camera main body 71 and the main board are always in an electrically connected state. The first connection part 721 may be adhered to the cover plate 6 by an adhesive such as a double-sided tape, so as to prevent the first connection part 721 from being lifted.
The FPC72 has two corners 724, the corner 724 being located between the first connecting portion 721 and the extending portion 723, the corner 724 forming a substantially 90 ° corner, thereby offsetting the first connecting portion 721 from the extending portion 723 and the second connecting portion 722 in the left-right direction. It is understood that, in order to reduce the influence of the FPC72 on the thickness of the terminal device, the second connection portion 722 and the expansion portion 723 are located on one side, for example, the right side, in the left-right direction of the power unit 1, and the second connection portion 722 and the expansion portion 723 are located within the front-rear direction range of the power unit 1. Therefore, the thickness of the whole camera driving device in the front-back direction can be reduced, and the thickness control of the terminal equipment is facilitated.
As shown in fig. 1 to 4, the dial 5 is connected to one end portion, e.g., a lower end portion, of the second bracket 3 in the up-down direction, the camera main body 71 is connected to the other end portion, e.g., an upper end portion, of the second bracket 3, and the second bracket 3 is provided with a groove 31 for accommodating the lead screw 4.
The second bracket 3 is provided with a guide rail 32 extending in the up-down direction, and the guide rail 32 can be clamped in a guide rail groove of the middle frame, so that the second bracket 3 can be guided to move in the up-down direction. Further, the guide rails 32 are disposed on the left and right sides of the second bracket 3, so that the stress of the second bracket 3 can be balanced.
As shown in fig. 1 and 2, the cover plate 6 covers at least a portion of the dial 5 and at least a portion of the rear side of the second bracket 3, covering at least a portion of the recess 31 to facilitate fixing the FPC 72.
Further, the reinforcing plate 8 is fixedly connected to the cover plate 6, the first connecting portion 721 is located between the cover plate 6 and the reinforcing plate 8, the double-sided tape may fail due to frequent actions of the extending portion 722, and the reinforcing plate 8 can prevent the first connecting portion 721 from tilting during the movement of the camera main body 71. The reinforcing plate 8, the cover plate 6, the shifting block 5 and the second bracket 3 can be fixedly connected together through screws.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is to be limited only by the terms of the appended claims.
Claims (11)
1. A camera driving device, comprising:
a power unit, a power unit and a power unit,
the screw rod is connected to the power unit;
the shifting block is provided with a threaded hole and is sleeved on the screw rod; and
the camera module comprises a camera main body and an FPC, wherein the FPC extends out of the camera main body, the camera main body is installed on the shifting block, the power unit drives the screw rod to rotate positively and reversely to enable the camera main body to move axially along the screw rod, so that the camera driving device is switched between a first state and a second state, the camera main body is located above a shaft of the screw rod, and at least part of the FPC is located on one side of the power unit in the left-right direction.
2. The camera driving device according to claim 1, wherein the FPC includes a first connecting portion, a second connecting portion, and an extending portion, the first connecting portion and the second connecting portion being connected by the extending portion, the first connecting portion extending from the camera main body, the second connecting portion and the extending portion being located on one side in the left-right direction of the power unit.
3. The camera driving device according to claim 2, wherein the camera module is located directly above an axial direction of the lead screw.
4. The camera driving device according to claim 2, wherein two corner portions are provided between the first connecting portion and the extended portion so that the first connecting portion is offset from the extended portion and the second connecting portion in the left-right direction.
5. The camera driving device according to claim 2, wherein in at least one of the first state and the second state, the number of layers in which the extending portions overlap together is at least three.
6. The camera driving device according to claim 2, wherein a cover plate is provided to cover at least a part of a rear side of the dial block, and the first connecting portion is bonded to the cover plate.
7. The camera driving device according to claim 6, further comprising a reinforcing plate connecting the FPC to the cover plate, wherein at least a part of the first connecting portion is located between the cover plate and the reinforcing plate.
8. A terminal device characterized by comprising the camera driving apparatus according to any one of claims 1 to 7.
9. The terminal device of claim 8, further comprising a center frame and a first bracket, wherein the power unit is fixedly connected to the center frame through the first bracket.
10. The terminal device according to claim 9, wherein the camera driving means is provided with a guide rail extending in an up-down direction, and the middle frame is provided with a guide rail groove extending in an up-down direction, the guide rail being fitted into the guide rail groove.
11. The terminal device according to claim 9, wherein the dial block is provided with a first limit portion and a second limit portion, the first limit portion protrudes from a surface on one side in a vertical direction of the dial block, the first limit portion abuts against the first bracket and/or the power unit when the camera driving device is in the first state, the second limit portion protrudes from a surface on the other side in the vertical direction of the dial block, and the second limit portion abuts against the middle frame when the camera driving device is in the second state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910028339.5A CN111435951A (en) | 2019-01-11 | 2019-01-11 | Camera driving device and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910028339.5A CN111435951A (en) | 2019-01-11 | 2019-01-11 | Camera driving device and mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111435951A true CN111435951A (en) | 2020-07-21 |
Family
ID=71579750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910028339.5A Pending CN111435951A (en) | 2019-01-11 | 2019-01-11 | Camera driving device and mobile terminal |
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| Country | Link |
|---|---|
| CN (1) | CN111435951A (en) |
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Application publication date: 20200721 |
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