WO2022121750A1 - 一种电子设备 - Google Patents
一种电子设备 Download PDFInfo
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- WO2022121750A1 WO2022121750A1 PCT/CN2021/134785 CN2021134785W WO2022121750A1 WO 2022121750 A1 WO2022121750 A1 WO 2022121750A1 CN 2021134785 W CN2021134785 W CN 2021134785W WO 2022121750 A1 WO2022121750 A1 WO 2022121750A1
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- WO
- WIPO (PCT)
- Prior art keywords
- camera module
- lens
- electronic device
- lens assembly
- nut
- Prior art date
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- 230000007246 mechanism Effects 0.000 claims abstract description 40
- 238000003384 imaging method Methods 0.000 claims abstract description 12
- 230000001681 protective effect Effects 0.000 claims description 35
- 238000013459 approach Methods 0.000 claims description 2
- 230000001965 increasing effect Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000003287 optical effect Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
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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
- H04N23/51—Housings
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
Definitions
- the present application relates to the technical field of communication devices, and in particular, to an electronic device.
- the method in the related art is usually to set multiple cameras on the electronic device, for example, a macro camera, a wide-angle camera, a blur camera, a portrait camera, an ultra-telephoto camera, and so on.
- this method of increasing the number of cameras has many defects.
- One is that it will increase the cost of the product, and the other is that it will occupy a lot of internal space of the electronic device, which is not conducive to the layout of the internal space of the electronic device or the enlargement of the battery capacity.
- the design difficulty of the machine is usually to set multiple cameras on the electronic device, for example, a macro camera, a wide-angle camera, a blur camera, a portrait camera, an ultra-telephoto camera, and so on.
- the embodiment of the present application provides an electronic device to solve the problem that the adjustment distance of the imaging focal length of the camera is small.
- an embodiment of the present application provides an electronic device, the electronic device includes: a camera module, a first driving mechanism and a casing, the casing forms a first cavity, the camera module is arranged in the first cavity, and the casing
- the body is provided with an opening, and the first driving mechanism drives the camera module to move along the first direction to make the camera module protrude from the opening;
- the camera module includes a lens assembly, an image sensor, an elastic member and a second driving mechanism, and the elastic member is arranged between the lens assembly and the image sensor;
- the elastic member When the camera module is located in the first cavity, the elastic member is in a compressed state, and the distance between the lens assembly and the image sensor is the first distance;
- the elastic member When the camera module protrudes from the opening, the elastic member is in an extended state, the distance between the lens assembly and the image sensor is greater than the first distance, and the second driving mechanism drives the lens assembly to move in the second direction to adjust the imaging of the lens assembly focal length.
- the camera module by setting the first driving mechanism, the camera module can be driven to extend out of the housing, and by setting the elastic member, after the camera module is extended out of the housing, the elastic member is in an extended state, and the lens is in an extended state.
- the distance between the assembly and the image sensor is increased, thereby increasing the movable distance of the lens assembly when adjusting the imaging focal length of the lens assembly.
- Figure 1a and Figure 1b show a first structural schematic diagram of an electronic device of the present application
- FIG. 2 shows a second schematic structural diagram of an electronic device in an embodiment of the present application
- FIG. 3 is a schematic diagram of a partial structure of an electronic device according to an embodiment of the present application.
- FIG. 4 shows a first structural schematic diagram of a camera module in an electronic device according to an embodiment of the application
- FIG. 5 shows a second structural schematic diagram of a camera module in an electronic device according to an embodiment of the application
- FIG. 6 is a schematic structural diagram 3 of a camera module in an electronic device according to an embodiment of the present application.
- FIG. 7 is a third schematic structural diagram of an electronic device according to an embodiment of the present application.
- connection or the integral connection, can be a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, or an internal communication between two elements.
- an electronic device includes a camera module 1, a first driving mechanism 15 and a casing 2, and the casing 2 forms a first cavity
- the body 21 the camera module 1 is arranged in the first cavity 21, the casing 2 is provided with an opening, and the first driving mechanism 15 drives the camera module 1 to move along the first direction to make the camera module 1 protrude from the opening
- the camera module 1 includes a lens assembly 11, an image sensor, an elastic member 16 and a second driving mechanism 18.
- the elastic member 16 is disposed between the lens assembly 11 and the image sensor.
- the distance between the lens assembly 11 and the image sensor is the first distance, and when the camera module 1 protrudes from the opening, the elastic member 16 is in an extended state, and the lens assembly 11 and the image sensor are in an extended state. The distance between them is greater than the first distance, and the second driving mechanism 18 drives the lens assembly 11 to move in the second direction to adjust the imaging focal length of the lens assembly 11 .
- the first direction is, for example, the up-down direction shown in FIGS. 1 a and 1 b
- the second direction is, for example, the left-right direction shown in FIGS. 1 a and 1 b
- the first direction and the second direction are not limited to the directions shown in FIG. 1a and FIG. 1b, and the first direction and the second direction may be two directions perpendicular to each other, or may be the same direction.
- the second direction is the direction in which the lens assembly 11 moves during the focusing process of the camera module 1 , that is, the direction in which the lens assembly 11 receives incident light from the outside world, and the lens assembly 11 moves in the second direction to achieve the purpose of adjusting the imaging focal length.
- the camera module 1 can move in the first direction under the driving action of the first driving mechanism 15 to remove the opening of the casing 2 from the opening of the casing 2 . protrudes to the outside of the housing 2 .
- the elastic member 16 changes from a compressed state to an extended state, that is, from the state shown in FIG. 1a to In the state shown in FIG. 1b, the distance between the lens assembly 11 and the image sensor is increased.
- the imaging focal length of the lens assembly 11 is adjusted.
- the movable distance of the lens assembly 11 is increased, thereby realizing a wider range of focusing distance, so that the functions of normal shooting, macro shooting and telephoto shooting through one camera module can be realized. Reducing the number of camera modules does not reduce the quality of taking pictures, thereby avoiding the problem of setting up multiple cameras to occupy a large amount of internal space of the electronic device, and helping to control the cost of the electronic device.
- the camera module 1 further includes a buckle structure.
- the buckle structure When the buckle structure is in a buckled state, the elastic member 16 is in a compressed state.
- the buckle structure is in a separated state, the elastic member 16 is in an extended state.
- a buckle structure can be provided to fit the elastic member 16 , for example, the buckle structure can be connected to the elastic member 16 .
- the buckle structure includes a first buckle and a second buckle that can be buckled with each other, the first buckle is connected to the first part of the elastic member 16 , and the second buckle is connected to the second part of the elastic member 16 , after the first buckle and the second buckle are fastened together, the distance between the first part and the second part of the elastic member 16 is reduced, that is, the elastic member 16 is in a compressed state. After the first buckle and the second buckle are separated, the distance between the first part and the second part of the elastic member 16 increases, that is, the elastic member 16 is in an extended state.
- the provision of the buckle structure makes the elastic member 16 easier to operate when switching between the compressed state and the extended state, and makes the elastic member 16 more stable in the compressed state.
- the first driving mechanism 15 includes a first motor 151 , a first screw 152 and a first nut 153 , the first nut 153 is sleeved on the first screw 152 , and the first screw 152 It is connected with the first motor 151, and the first nut 153 is connected with the camera module 1.
- the first motor 151 rotates, the first nut 153 drives the camera module 1 to extend or retract from the opening.
- the electronic device when the application of the electronic device receives a signal to start the camera module 1 to take a photo, the electronic device sends a command to the first motor 151, and the output shaft of the first motor 151 rotates and drives the first motor 151 to rotate.
- the screw 152 rotates in the first nut 153, and due to the threaded connection between the first screw 152 and the first nut 153, the rotational movement is converted into the translational movement of the first nut 153 along the first screw 152, and the first nut 153 further
- the camera module 1 is driven to perform translational movement.
- the axial direction of the first screw 152 is the first direction.
- a connecting rod 154 may be arranged between the camera module 1 and the first nut 153 , and the camera module 1 and the first nut 153 are connected through the connecting rod 154 .
- the first driving mechanism 15 is not limited to the above-mentioned structure, and the first driving mechanism 15 may be, for example, a driving mechanism composed of a motor and a rack and pinion, or a driving mechanism composed of a motor and a cam mechanism.
- the first driving mechanism 15 may also be, for example, an electric cylinder, a hydraulic cylinder or an air cylinder, or other mechanisms capable of providing a power source for translational motion.
- the second driving mechanism 18 includes a second motor 181, a second screw 182 and a second nut 183, the second nut 183 is sleeved on the second screw 182, the first The second screw 182 is connected with the second motor 181, and the second nut 183 is connected with the lens assembly 11.
- the second motor 181 rotates, the second nut 183 drives the lens assembly 11 closer to or away from the image sensor.
- the electronic device when the application program of the electronic device receives a signal to start the camera module 1 to take a photo and needs to adjust the imaging focus of the camera module 1, the electronic device sends a command to the second motor 181, the first The output shaft of the second motor 181 rotates and drives the second screw 182 to rotate in the second nut 183. Due to the threaded connection between the second screw 182 and the second nut 183, the rotational movement is converted into the second nut 183 along the second With the translational movement of the screw 182 , the second nut 183 further drives the camera module 1 to perform translational movement in the second direction to adjust the imaging focal length of the lens assembly 11 .
- the axial direction of the second screw 182 is the second direction.
- the second driving mechanism 18 is not limited to the above-mentioned structure.
- the second driving mechanism 18 may also be a driving mechanism composed of a motor and a rack and pinion, or a driving mechanism composed of a motor and a cam mechanism.
- the second driving mechanism 18 may also be, for example, an electric cylinder, a hydraulic cylinder, an air cylinder, or other mechanisms capable of providing a power source for translational movement.
- the lens assembly 11 further includes at least a first lens and a second lens, the first lens is connected with the second nut 183, and the second nut 183 drives the first lens to approach Or stay away from the second lens.
- a plurality of lenses are arranged to form the lens assembly 11 , and relative movement can occur between the plurality of lenses, so as to realize the high-power optical zoom adjustment of the camera module 1 . Since the distance between the lens assembly 11 and the image sensor is increased after the camera module 1 protrudes from the opening of the housing 2, it can provide the physical basis required for the realization of the adjustment of the optical zoom of higher magnification, which can realize Macro, telephoto, multiple optical zoom and other effects provide conditions for higher quality photos.
- the camera assembly further includes a voice coil motor, the voice coil motor surrounds the second lens, and the voice coil motor is used to adjust the distance between the second lens and the image sensor .
- the voice coil motor may specifically include a stator 171 and a mover 172 .
- a magnet may be provided as the stator 171 , for example, a yoke ring and a permanent magnet may be provided as the stator 171 , and a coil may be provided as the mover 172 .
- a coil may also be provided as the stator 171 , and a magnet may be provided as the mover 172 at the same time.
- the magnet is used as the stator 171
- the coil is used as the mover 172
- three lenses are provided as an example for detailed description:
- two sets of second driving mechanisms 18 are provided corresponding to the three lenses, wherein the two second motors 181 are both connected to the third lens 111c, specifically, they may be connected to the bottom of the third lens 111c , and then the second nut 183 on the left is connected with the second lens 111b, and the second nut 183 on the right is connected with the first lens 111a.
- the magnet is fixedly arranged as the stator 171 , and the coil is sleeved outside the third lens 111c as the mover 172 .
- a current is passed to the coil,
- the magnet is used to generate a magnetic field
- the coil interacts with the magnet to generate the Lorentz force
- the coil acts as a mover to drive the fixedly connected lens assembly 11 to perform translational movement in the second direction under the action of the Lorentz force, that is, to achieve
- the movable stroke of the mover 172 together with the lens assembly 11 is increased. This can achieve a larger focus range by increasing the current passed to the coil, or enhancing the magnetic strength of the magnet, or increasing the number of turns of the coil winding.
- the camera module 1 is first extended from the opening of the housing 2. At this time, the distance L between the lens assembly 11 and the image sensor is increased, so that the It provides a larger moving distance for the relative movement between the three lenses, that is, provides a physical realization basis for realizing high-magnification zoom.
- the application program of the electronic device receives the signal to start the camera module 1 to take pictures, the electronic device sends a command to the second motor 181 on the left, and the output shaft of the second motor 181 on the left rotates and drives the second motor 181 on the left.
- the second screw 182 rotates in the second nut 183 on the left, and due to the threaded connection between the second screw 182 and the second nut 183, the rotational movement is converted into the second nut 183 on the left along the second screw on the left.
- the translational movement of the screw 182 causes the second nut 183 on the left to drive the second lens 111b to perform translational movement in the second direction.
- the second nut 183 on the right can also drive the first lens 111a to perform translational movement in the second direction.
- the axial direction of the second screw 182 is the second direction, thereby realizing the relative movement between the three lenses, thereby realizing the adjustment of the high-power optical zoom.
- each lens includes a protective frame, the lens is inlaid and arranged in the protective frame to form a complete lens, and the coil, the second motor 181 and the second nut 183 are all connected to the corresponding protective frame of the lens.
- the camera module 1 includes a protective shell 13 and a base 12 , the image sensor is disposed on the base 12 , the protective shell 13 and the base 12 form a second cavity 14 , and the lens assembly 11 is disposed in the second cavity 14
- the protective shell 13 is disposed opposite to the image sensor, and an opening is provided on the opposite side of the protective shell 13 to the lens assembly 11 , and a protective lens is disposed on the opening.
- the elastic member 16 drives the protective shell 13 to move in the second direction relative to the base 12, when the protective shell 13 moves away from the second direction in the second direction
- the size of the second cavity 14 in the second direction is increased, thereby increasing the movable distance of the lens assembly 11 .
- the image sensor includes a circuit board 191, a photosensitive element 192, and an infrared filter 193.
- the image sensor including the circuit board 191 , the photosensitive element 192 and the infrared filter 193 is fixedly arranged in the second cavity 14 .
- the electronic device includes a middle frame, and when the camera module 1 is located in the first cavity 21 , the protective lens abuts against the middle frame.
- the elastic member 16 switches from the extended state to the compressed state, protecting the lens and the middle of the electronic device.
- the frames are in contact with each other to keep the elastic member 16 in a compressed state, so as to maintain the stability of the entire camera module 1 .
- a flexible protective member is provided on the position where the middle frame abuts against the protective lens.
- the middle frame set in the housing 2 is generally made of a relatively hard material, in order to prevent the protective lens from being scratched during the repeated extension and retraction process, a flexible protective member is provided on the side of the middle frame facing the protective lens. Abutting on the protective lens effectively protects the protective lens and prevents the protective lens from being damaged.
- the flexible protector may be foam, for example.
- the elastic member 16 is further a spring, one end of the spring is connected to the base 12 , and the other end is connected to the protective shell 13 .
- Selecting the spring as the elastic member 16 to connect the base 12 and the protective shell 13 not only lowers the price and saves the cost, but also facilitates the installation and operation of the spring.
- the middle frame abuts on the protective casing 13 to keep the spring in a compressed state.
- the pressure of the middle frame on the protective casing 13 is released, so the spring is in an extended state.
- the design can make the spring not fully extend, but retain a certain amount of compression.
- a buckle structure can be provided.
- the buckle structure includes a first buckle and a second buckle that can be buckled with each other.
- the first buckle is connected to the base 12 and the second buckle is connected.
- the buckle is connected to the protective shell 13 .
- the electronic device provided by the embodiment of the present application may be, for example, a mobile phone, a notebook computer, a tablet computer, or the like.
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Abstract
Description
Claims (10)
- 一种电子设备,包括摄像头模组、第一驱动机构及壳体,其中,所述壳体形成第一腔体,所述摄像头模组设置于所述第一腔体内,所述壳体上开设有开口,所述第一驱动机构驱动所述摄像头模组沿第一方向移动以使所述摄像头模组从所述开口伸出;所述摄像头模组包括镜头组件、图像传感器、弹性件和第二驱动机构,所述弹性件设置于所述镜头组件和所述图像传感器之间;在所述摄像头模组位于所述第一腔体内的情况下,所述弹性件处于压缩状态,所述镜头组件与所述图像传感器之间的距离为第一距离;在所述摄像头模组从所述开口伸出的情况下,所述弹性件处于伸展状态,所述镜头组件与所述图像传感器之间的距离大于所述第一距离,所述第二驱动机构驱动所述镜头组件在第二方向移动以调整所述镜头组件的成像焦距。
- 根据权利要求1所述的电子设备,其中,所述摄像头模组还包括卡扣结构;所述卡扣结构处于扣合状态时,所述弹性件处于压缩状态;所述卡扣结构处于分离状态时,所述弹性件处于伸展状态。
- 根据权利要求1所述的电子设备,其中,所述第一驱动机构包括第一马达、第一螺杆和第一螺母,所述第一螺母套设在所述第一螺杆上,所述第一螺杆与所述第一马达连接,所述第一螺母与所述摄像头模组连接,所述第一马达转动时通过所述第一螺母带动所述摄像头模组从所述开口伸出或者缩回。
- 根据权利要求1所述的电子设备,其中,所述第二驱动机构包括第二马达、第二螺杆和第二螺母,所述第二螺母套设在所述第二螺杆上,所述第二螺杆与所述第二马达连接,所述第二螺母与所述镜头组件连接,所 述第二马达转动时通过所述第二螺母带动所述镜头组件靠近或者远离所述图像传感器。
- 根据权利要求4所述的电子设备,其中,所述镜头组件至少包括第一透镜和第二透镜,所述第一透镜与所述第二螺母连接,所述第二螺母带动所述第一透镜靠近或者远离所述第二透镜。
- 根据权利要求5所述的电子设备,其中,所述摄像头组件还包括音圈马达,所述音圈马达环绕所述第二透镜,所述音圈马达用于调整所述第二透镜与所述图像传感器之间的距离。
- 根据权利要求1所述的电子设备,其中,所述摄像头模组包括保护壳和底座,所述图像传感器设置在所述底座上,所述保护壳与所述底座形成第二腔体,所述镜头组件设置于所述第二腔体内且与所述图像传感器正对设置,所述保护壳与所述镜头组件相对的一侧设置有开口,所述开口上设置有保护镜片,所述保护壳随着所述弹性件伸缩。
- 根据权利要求1所述的电子设备,其中,所述电子设备包括中框,所述摄像头模组位于所述第一腔体内时,所述保护镜片与所述中框抵接。
- 根据权利要求8所述的电子设备,其中,所述中框上与所述保护镜片抵接的位置设置有柔性保护件。
- 根据权利要求7所述的电子设备,其中,所述弹性件为弹簧,所述弹簧一端与所述底座连接,另一端与所述保护壳连接。
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CN202011425672.9A CN112584018A (zh) | 2020-12-08 | 2020-12-08 | 一种电子设备 |
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