CN109862222B - Camera assembly, mobile terminal and control method of camera assembly - Google Patents
Camera assembly, mobile terminal and control method of camera assembly Download PDFInfo
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- CN109862222B CN109862222B CN201711245900.2A CN201711245900A CN109862222B CN 109862222 B CN109862222 B CN 109862222B CN 201711245900 A CN201711245900 A CN 201711245900A CN 109862222 B CN109862222 B CN 109862222B
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Abstract
The application provides a camera assembly, a mobile terminal and a control method of the camera assembly. The camera assembly comprises a fixing frame, a supporting device, a guiding device, a camera module, a screw rod and a motor, wherein the guiding device is connected with the fixing frame, the supporting device is connected with the guiding device, the supporting device is connected with the fixing frame in a sliding mode through the guiding device, the camera module is arranged on the supporting device, the screw rod is in threaded connection with the fixing frame and the supporting device respectively, the output end of the motor is connected with the screw rod, the motor is used for driving the screw rod to rotate, so that the force for the supporting device to slide is applied to the supporting device by the screw rod in the sliding direction of the supporting device, and the supporting device slides downwards under the guiding of the guiding device. The scheme can achieve the purpose that the camera module freely extends out of the mobile terminal.
Description
Technical Field
The present application relates to the field of display technologies, and in particular, to a camera assembly, a mobile terminal, and a control method for the camera assembly.
Background
Mobile terminals such as smart phones, tablet PCs, notebook PCs, and PDAs can provide images or videos to users for viewing through display screens. Mobile terminals are becoming more and more rich in functions, such as a video recording function, a video chatting function, a photographing function, and the like. With the development of intelligent communication technology, providing a large screen to display various functions of a mobile terminal has become a new issue.
At present, mobile terminals generally have functions of taking pictures, photographing and the like which can be completed only by matching camera modules. Therefore, a non-display area needs to be set for the camera module of the mobile terminal, and a camera mounting hole is formed in the non-display area to mount the camera module. Therefore, under the condition that the size of the mobile terminal is fixed, the non-display area needs to be arranged for the camera module to form the mounting hole of the camera, so that large-screen image display of the mobile terminal is greatly limited.
Disclosure of Invention
The application provides a camera assembly, this camera assembly includes the mount, strutting arrangement, guider, the camera module, lead screw and motor, guider is connected with the mount, strutting arrangement is connected with guider, strutting arrangement passes through guider and mount sliding connection, the camera module sets up on strutting arrangement, lead screw and mount and strutting arrangement be threaded connection respectively, the output and the lead screw of motor are connected, the motor is used for driving the lead screw rotatory, so that the lead screw applys the gliding power of confession strutting arrangement to strutting arrangement on strutting arrangement's slip direction, strutting arrangement is at guider ground direction gliding.
The application also provides a mobile terminal which comprises the camera assembly.
The application also provides a mobile terminal which comprises a display screen assembly, a shell assembly and a camera assembly, wherein the display screen assembly is fixed on the shell assembly, the camera assembly is arranged in the shell assembly, and at least part of area of the camera assembly is overlapped with a display area of the display screen assembly in a non-extending state; the camera assembly comprises a fixing frame, a supporting device, a guiding device, a camera module, a screw rod and a motor, wherein the supporting device is connected with the fixing frame in a sliding mode through the guiding device, the motor is used for driving the screw rod to rotate, so that the screw rod exerts sliding force on the supporting device, and the supporting device is guided to slide downwards by the guiding device to drive the camera module to stretch out of the shell assembly.
The application further provides a control method of the camera assembly of the mobile terminal, the camera assembly comprises a fixing frame, a supporting device, a guiding device, a camera module, a screw rod and a motor, the guiding device is connected with the fixing frame, the supporting device is connected with the guiding device, the supporting device is in sliding connection with the fixing frame through the guiding device, the camera module is arranged on the supporting device, the screw rod is in threaded connection with the fixing frame and the supporting device respectively, and the output end of the motor is connected with the screw rod; the control method comprises the following steps: the mobile terminal receives a control instruction; the mobile terminal supplies power to the motor; the motor drives the screw rod to rotate so that the screw rod applies force for the supporting device to slide on the supporting device in the sliding direction of the supporting device; the guide device guides the support device to slide.
This application camera module sets up on strutting arrangement, strutting arrangement is connected with guider, guider is connected with the mount, strutting arrangement passes through guider and mount sliding connection, the lead screw is threaded connection respectively with mount and strutting arrangement, the motor is used for driving the lead screw rotatory, so that the lead screw applys the gliding power of confession strutting arrangement to strutting arrangement on strutting arrangement's slip direction, strutting arrangement leads to sliding down at guider, and then strutting arrangement drives the removal of camera module, in order to realize the purpose that camera module freely stretches out and draws back.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is an exploded view of a mobile terminal according to the present application;
FIG. 2 is a schematic view of a camera assembly and display screen assembly of the present application in a partially stacked relationship;
FIG. 3 is a schematic view of a camera assembly and display screen assembly in a fully stacked relationship according to the present application;
FIG. 4 is a schematic cross-sectional view of a camera assembly area of a mobile terminal of the present application;
FIG. 5 is a schematic structural diagram of a camera assembly according to an embodiment of the present application;
FIG. 6 is a perspective view of the bracket of FIG. 5;
FIG. 7 is a schematic view of another angled configuration of a camera head assembly according to an embodiment of the present application;
fig. 8 is a flowchart illustrating a method of controlling a camera assembly of a mobile terminal according to an embodiment of the present application;
FIG. 9 is a schematic structural diagram of a camera head assembly according to another embodiment of the present application;
fig. 10 is a flowchart illustrating a method of controlling a camera assembly of a mobile terminal according to another embodiment of the present application;
FIG. 11 is a schematic structural diagram of a camera head assembly according to yet another embodiment of the present application;
fig. 12 is a flowchart illustrating a method of controlling a camera assembly of a mobile terminal according to still another embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be further noted that, for the convenience of description, only some of the structures related to the present application are shown in the drawings, not all of the structures.
Referring to fig. 1 and 2, fig. 1 is an exploded structure diagram of a mobile terminal according to the present application, and fig. 2 is a diagram illustrating a relationship between a camera assembly and a display screen assembly according to the present application.
The mobile terminal comprises a display screen assembly 10, a shell assembly 20 and a camera assembly 30, wherein the display screen assembly 10 is fixed on the shell assembly 20, the camera assembly 30 is arranged in the shell assembly 20 and can extend out of the shell assembly 20 from the end part of the shell assembly 20, and at least part of the area of the camera assembly 30 is arranged in a stacking mode with a display area 122 of the display screen assembly 10 under the non-extending state. The mobile terminal includes a smart phone, a tablet, a notebook, a smart watch, a PDA, and the like, which is not limited herein.
The display screen assembly 10 may include a panel 12 and a display screen 14, the panel 12 being disposed on a side of the display screen 14 away from the housing assembly 20, and the panel 12 being disposed on the housing assembly 20. The panel 12 has a display area 122 that exposes information displayed by the display screen 14, and a non-display area 144 that blocks light emitted from the display screen 14. The display screen 14 is used for displaying information, such as images, video or text. The non-display area 144 may also be used to reserve installation space for components such as headphones or sensors.
At least a portion of the area of camera assembly 30 is positioned in a non-extended state overlying display area 122 of display screen assembly 10. In some embodiments, a partial region of the camera assembly 30 is stacked with the display region 122 of the display screen assembly 10 in a non-extended state, the camera assembly 30 can be extended from the end of the housing assembly 20 to the housing assembly 20, and the camera assembly 30 partially does not occupy a spatial position of the display region 122, so that the area of the display region 122 is enlarged and the area of the non-display region 144 is reduced. Referring to fig. 3, fig. 3 is a schematic diagram of a camera module and a display panel module according to the present invention in a fully stacked relationship. In other embodiments, the entire area of the camera assembly 30 is stacked with the display area 122 of the display screen assembly 10 in a non-extended state, the camera assembly 30 can be extended out of the housing assembly 20 from the end of the housing assembly 20, and the camera assembly 30 does not occupy the space position of the display area 122 at all, so that the area of the display area 122 is further enlarged, and the area of the non-display area 144 is further reduced.
Parts such as an earpiece or a sensor that need to occupy the spatial position of the display area 122 may be disposed at other positions except the display area 144, and for example, the parts such as the earpiece or the sensor may be disposed on the camera assembly 30, so that the area of the display area 122 is further enlarged, and the area of the non-display area 144 is further reduced, thereby achieving an effect that the display area 122 approximately completely replaces the spatial position of the non-display area 144.
Referring to fig. 1 and 4, fig. 4 is a schematic cross-sectional view of a camera assembly area of a mobile terminal according to the present application.
The casing assembly 20 may include a casing 22 and a dust-proof plate 24, the panel 12 is covered on the casing 22, the display screen 14 is disposed in a space between the panel 12 and the casing 22, the camera assembly 30 is disposed in the casing 22 and can extend out of the casing 22 from an end of the casing 22, the casing 22 is provided with an opening 221 at a position corresponding to an end of the camera assembly 30 sliding out of the casing 22, the dust-proof plate 24 is accommodated in the opening 221 and seals the opening 221, the dust-proof plate 24 is elastically hinged to the casing 22, and the dust-proof plate 24 is used for preventing external dust from entering the interior of the mobile terminal. Alternatively, the housing 22 may include a front shell 222 and a rear shell 224, the front shell 222 is fixed on the rear shell 224 to form a mounting space, the camera assembly 30 is installed in the mounting space, the panel 12 covers the front shell 222, the rear shell 224 may be correspondingly provided with an opening 221, and the dust guard 24 is accommodated in the opening 221 of the rear shell 224 and is elastically hinged to the rear shell 224. The opening 221 may also be formed in the front shell 222, the shell may further include a middle frame (not shown in fig. 1), and the opening 221 may also be formed in the middle frame, which is not limited herein.
Specifically, the dust-proof plate 24 is hinged to the housing 22 so that the dust-proof plate 24 can rotate around the housing 22, the dust-proof plate 24 is connected to the housing 22 through the elastic member 40, and the elastic member 40 elastically contracts to pull the dust-proof plate 24 back into the opening 221. The elastic member 40 may be a spring, the elastic member 40 may also be an iron elastic sheet, and the elastic member 40 may also be other parts with a telescopic property. When the camera assembly 30 is in the extended state, the dust-proof plate 24 is pushed out of the opening 221 by the camera assembly 30, and when the camera assembly 30 is in the non-extended state, the dust-proof plate 24 automatically rebounds and is accommodated in the opening 221.
Referring to fig. 5, fig. 5 is a schematic structural diagram of a camera assembly according to an embodiment of the present application.
The camera assembly 30 includes a fixing frame 31, a supporting device 32, a guiding device 33, a camera module 34, a motor 35 and a screw rod 36. The guide device 33 is connected with the fixed frame 31, the support device 32 is connected with the guide device 33, and the support device 32 is connected with the fixed frame 31 in a sliding way through the guide device 33; the camera module 34 is arranged on the supporting device 32, and the supporting device 32 slides under the action of external force, so as to drive the camera module 34 to slide; the screw rod 36 is respectively in threaded connection with the fixed frame 31 and the supporting device 33; the output end of the motor 35 is connected to the screw rod 36, and the motor 35 can drive the screw rod 36 to rotate, so that the screw rod 36 exerts a force on the supporting device 32 in the sliding direction of the supporting device 32, so that the supporting device 32 slides, and the supporting device 32 slides stably under the guidance of the guiding device 33.
Wherein, the motor 35 can rotate in the power-on state, and the direction of rotation can be changed according to the direction of the current, so that the lead screw 36 can rotate in the forward direction or in the reverse direction, and then the lead screw 36 applies a force far away from the motor 35 or a force close to the motor 35 to the supporting device 32. In addition, the motor 35 can determine the rotation speed according to the magnitude of the current, so that the lead screw 36 drives the support device 32 to move at different speeds.
The fixing frame 31 may be a part of a front case, a rear case or other parts of the mobile terminal, and the fixing frame 31 may also be a separate part, which is not limited herein. The fixing frame 31 includes a main body base 312 and a mounting portion 314 connected to the main body base 312. The fixing frame 31 is fixedly connected to the front shell 222, the rear shell 224 (see fig. 1) or other parts of the mobile terminal through a mounting portion 314, and the main body base 312 is used for mounting the parts including the supporting device 32, the guiding device 33 and the camera module 34. The motor 35 may be mounted on the main body base 312, or may be mounted in a position other than the main body base 312 in the mobile terminal, which is not limited herein.
Referring to fig. 6, fig. 6 is a schematic perspective view of the bracket 321 in fig. 5.
The supporting device 32 includes a support 321, the support 321 includes a main body 322 and a matching portion 323 connected to the main body 322, the support 321 can be provided with a first groove 324 on the main body 322, a first through hole 325 is formed on a bottom wall of the first groove 324, an axis of the first through hole 325 is perpendicular to the main body base 312, the camera module 34 is accommodated in the first groove 324, and an axial direction of the camera module 34 coincides with an axis direction of the first through hole 325, so that the camera module 34 can completely receive external light, thereby capturing images with higher image quality. The outer side of the blocking wall of the first groove 324 can be provided with a reinforcing rib 327, and the reinforcing rib 327 is used for increasing the strength of the support 321 and preventing the support 321 from being damaged in the sliding and stretching process, so that the camera module 34 is damaged.
A lens groove 326 may be formed on the other side of the bottom wall of the first groove 324, the camera module 30 includes a lens (not shown in fig. 5), and the lens groove 326 is used for installing the lens to prevent external dust or moisture from entering the inside of the camera module 34. The lens is completely accommodated in the lens groove, that is, one side of the lens, which is far away from the camera module 34, is lower than the top surface of the blocking wall of the lens groove 326, so that the blocking wall of the lens groove 326 of the bracket blocks the impact of the outside on the lens, thereby effectively reducing the possibility of damaging the lens after the mobile terminal falls.
Referring to fig. 5, optionally, in some embodiments, the screw rod 36 passes through the matching portion 323 and is in threaded connection with the matching portion 323, the motor 35 drives the screw rod 36 to rotate, the screw rod 36 is in threaded connection with the matching portion 323 of the bracket 321, and the bracket 321 is driven to move during the rotation of the screw rod 36.
The support device 32 further includes a power block 328. Alternatively, the present embodiment is different from the above embodiments in that the power block 328 is accommodated in the fitting portion 323 of the bracket 321, and the screw rod 36 sequentially passes through the fitting portion 323 and the power block 328 and is in threaded connection with the power block 328. The power block 328 is used for being in threaded fit with the screw rod 36, so that the screw rod 36 applies a force to the power block 328, the power block 328 drives the support 321 to slide, the support 321 drives the camera module 34 to slide under the guiding effect of the guiding device 33, and the purpose of freely stretching and retracting the camera module 34 is achieved. The arrangement can avoid the direct contact between the screw rod 36 and the bracket 321, thereby avoiding the occurrence of vibration of the bracket 321 along with the rotation of the screw rod 36. The bracket 321 is only driven by the power block 328 to move, so that the bracket 321 can stably slide, and the camera module 34 can shoot images with higher image quality.
The fitting portion 323 of the bracket 321 may be provided with a second through hole 329, and the power block 328 is accommodated in the second through hole 329, thereby completing the limiting and fixing of the power block 328. The accommodation space that can increase power block 328 like this sets up, and then increases power block 328's volume to the area of power block 328 and support 321 contact is bigger, and then the power that support 321 obtained is more even.
The matching portion 323 of the bracket 321 may also be directly provided with a second groove (not labeled in fig. 5), and the power block 328 is fixed in the second groove in a limited manner, so that the power block 328 and the bracket 321 can be conveniently fixed and mounted. In the sliding process of the bracket 321, the bottom wall of the second groove supports the power block 328, so that the structural stability of the power block 328 is improved.
The guide device 33 includes a roller 332, the roller 332 is hinged with the matching portion 323 of the bracket 321, the fixed frame 31 is provided with a guide slot 315 corresponding to the roller 332, and the roller 332 rolls along the guide slot 315 to increase the stability of the bracket 321 in sliding. The roller 332 and the guide groove 315 have rolling friction, and the friction between the roller 332 and the guide groove 315 is small, so that energy loss can be effectively reduced.
Specifically, the number of the rollers 332 is at least two, the rollers 332 are distributed at two opposite ends of the bracket 321, the number of the rollers 332 may be two, the number of the rollers 332 may also be three, the number of the rollers 332 may also be four, the specific number of the rollers 332 is not illustrated, and when the number of the rollers 332 is odd, the rollers 332 are sequentially and alternately installed at the two opposite ends of the bracket 321. In this embodiment, the number of the rollers 332 is two, so that the sliding stability of the support 321 is further improved without occupying too much space.
The guide groove 315 may be disposed on the main body base 312 of the fixing frame 31, and this arrangement has an advantage that the opening direction of the guide groove 315 is the same as the opening and closing direction of the mold for manufacturing the fixing frame 31, so that the normal mold stripping of the fixing frame 31 is not affected, and the production cost of the mold for manufacturing the fixing frame 31 is reduced.
The guide grooves 315 may also be provided on the guide walls 316 of the fixed frame 31, and the guide walls 316 are provided at opposite ends of the main body base 312 in the sliding direction of the vertical supporting means 32, so that the tooth guide grooves 315 and the rollers 332 may be provided in the width direction of the camera assembly 30, thereby reducing the thickness of the camera assembly 30, and further making the thickness of the mobile terminal smaller.
The guide groove 315 may be replaced with a member having the guide groove 315, and is directly mounted on the guide wall 316 or the body base 312 of the fixing frame 31.
The holder 31 may further include a stopper wall 317, and the opposite ends of the main body base 312 of the holder 31 in the sliding direction of the supporting device 32 are provided with the stopper walls 317, and the stopper walls 317 serve to restrict the sliding of the supporter 321, and the supporter 321 contacts the stopper walls 317 during the excessive extension or the excessive retraction of the supporter 321 into the fixing supporter 321, thereby preventing the supporter 321 from being separated from the holder 31. The limit retaining wall 317 of the end of the fixing frame 31 far away from the motor 35 is provided with a first opening 318 for the support 321 to slide and extend out, and the support 321 drives the camera module 34 to extend out from the first opening 318, so that the inside of the mobile terminal extends out of the mobile terminal, and the data collection operation is completed.
Referring to fig. 7, fig. 7 is a schematic view of another angle structure of a camera head assembly according to an embodiment of the present application.
In the axial direction of the camera module 34, the main body base 312 of the fixing frame 31 may be opened with a second opening 319 at a sliding position corresponding to the support 321, and the sliding position of the support 321 is a position corresponding to the maximum support 321 that the support 321 extends or retracts. Specifically, the sliding position of the support 321 is a position corresponding to the main body portion 322 of the support 321 to the maximum extent that the support 321 extends or retracts. First opening 318 and second opening 319 are the communicating structure, and support 321 can be outstanding second opening 319 and set up, and support 321 keeps away from camera module 34 one side promptly and surpasss second opening 319 to make camera assembly 30 reduce at the ascending thickness of the axis direction of camera module 34, and then make camera assembly 30 more small and exquisite, occupy the inside space of mobile terminal and further reduce.
In this embodiment, the camera module 34 is disposed on the supporting device 32, the supporting device 32 is connected to the guiding device 33, the guiding device 33 is connected to the fixing frame 31, the supporting device 32 is slidably connected to the fixing frame 31 through the guiding device 33, the screw rod 36 is respectively in threaded connection with the fixing frame 31 and the supporting device 32, the output end of the motor 35 is connected to the screw rod 36, the motor 35 drives the screw rod 36 to rotate, so that the screw rod 36 exerts a force on the supporting device 32 in the sliding direction of the supporting device 32 to slide the supporting device 32, thereby driving the supporting device 32 to slide under the guidance of the guiding device 33, and further the supporting device 32 drives the camera module 34 to move, so as to achieve the purpose of freely extending and retracting the camera module 34. In addition, the supporting device 32, the guiding device 33 and the camera module 34 are integrally arranged on the fixing frame 31, so that the camera assembly 30 can be integrally replaced when the camera assembly 30 is installed and replaced, and the installation and replacement efficiency of the camera assembly 30 is improved.
When camera assembly 30 uses and is used in other mobile terminals that need to use camera module 34 to shoot such as cell-phone, flat board or intelligent wrist-watch, if do not need to call camera module 34 to shoot, just make camera module 34 indent mobile terminal's casing 22 inside, if need call camera module 34 to shoot, just make camera module 34 stretch out inside mobile terminal's casing 22. Therefore, the camera assembly 30 does not occupy the position space of the non-display area 144 of the display screen assembly 10, so that the area of the display area 122 of the display screen assembly 10 is further enlarged, the area of the non-display area 144 is further reduced, and the overall aesthetic property of the mobile terminal is improved. In addition, the motor 35 can control the current to achieve the purpose of providing different rotation speeds for the lead screw 36, and further accurately control the sliding speed of the supporting device 32, so as to meet different photographing experiences of a user. The supporting device 32 slides stably under the guiding action of the guiding device 33, so that the shaking of the camera module 34 is reduced, the service life of the camera module 34 is prolonged, and the shooting quality is improved.
Referring to fig. 5 and 8, fig. 8 is a flowchart illustrating a method for controlling a camera assembly 30 of a mobile terminal according to an embodiment of the present application. The camera assembly 30 includes a fixing frame 31, a supporting device 32, a guiding device 33, a camera module 34, a motor 35, and a lead screw 36. The guide device 33 is connected with the fixed frame 31, the support device 32 is connected with the guide device 33, the support device 32 is slidably connected with the fixed frame 31 through the guide device 33, the camera module 34 is arranged on the support device 32, the screw rod 36 is in threaded connection with the fixed frame 31 and the support device 33 respectively, and the output end of the motor 35 is connected with the screw rod 36.
M101: and the mobile terminal receives the control instruction.
The control instructions received by the mobile terminal comprise instructions needing camera matching, such as a photographing starting instruction, a photographing ending instruction, a video chatting starting instruction, a video chatting ending instruction, a video recording starting instruction, a video recording ending instruction and the like.
M102: the mobile terminal supplies power to the motor.
When the control command is a command for calling the camera to work, the mobile terminal supplies a forward current to the motor 35, and when the control command is a command for finishing the work of the camera, the mobile terminal supplies a reverse current to the motor 35. The positive current means that the motor 35 can drive the screw rod 36 to rotate in the positive direction, so that the screw rod 36 can give a force to the supporting device 32 away from the motor 35. The reverse current means that the motor 35 can rotate the lead screw 36 in the reverse direction, so that the lead screw 36 can give the supporting device 32a force close to the motor 35. In addition, the motor 35 can determine the rotation speed according to the magnitude of the current, so that the lead screw 36 drives the support device 32 to move at different speeds.
M103: the motor drives the screw rod to rotate, so that the screw rod exerts force for the supporting device to slide on the supporting device in the sliding direction of the supporting device.
The motor 35 drives the screw rod 36 to move correspondingly according to the direction and magnitude of the electrified current, the screw rod 36 is in threaded fit with the support device 32 to apply different forces to the support device 32, and a driving force or a retraction force for the support device 32 to slide is applied to the support device 32 in the sliding direction of the support device 32. The driving force can make the supporting device 32 away from the motor 35, and then the supporting device 32 drives the camera module 34 to extend out of the interior of the mobile terminal. The retracting force may cause the supporting device 32 to approach the motor 35, so that the supporting device 32 drives the camera module 34 to retract into the mobile terminal.
M104: the guide device guides the support device to slide.
The motor 35 provides a driving force or a retracting force to the supporting device 32 through the screw rod 36, and the supporting device 32 slides stably under the guiding action of the guiding device 33, so that the shaking of the camera module 34 is reduced, and the service life of the camera module 34 is prolonged.
In this embodiment, the camera module 34 is disposed on the supporting device 32, the supporting device 32 is connected to the guiding device 33, the guiding device 33 is connected to the fixing frame 31, the supporting device 32 is slidably connected to the fixing frame 31 through the guiding device 33, the screw rod 36 is respectively in threaded connection with the fixing frame 31 and the supporting device 32, the output end of the motor 35 is connected to the screw rod 36, the motor 35 drives the screw rod 36 to rotate, so that the screw rod 36 exerts a force on the supporting device 32 in the sliding direction of the supporting device 32 to slide the supporting device 32, thereby driving the supporting device 32 to slide under the guidance of the guiding device 33, and further the supporting device 32 drives the camera module 34 to move, so as to achieve the purpose of freely extending and retracting the camera module 34. In addition, the supporting device 32, the guiding device 33 and the camera module 34 are integrally arranged on the fixing frame 31, so that the camera assembly 30 can be integrally replaced when the camera assembly 30 is installed and replaced, and the installation and replacement efficiency of the camera assembly 30 is improved.
When camera assembly 30 uses and is used in other mobile terminals that need to use camera module 34 to shoot such as cell-phone, flat board or intelligent wrist-watch, if do not need to call camera module 34 to shoot, just make camera module 34 indent mobile terminal's casing 22 inside, if need call camera module 34 to shoot, just make camera module 34 stretch out inside mobile terminal's casing 22. Therefore, the camera assembly 30 does not occupy the position space of the non-display area 144 of the display screen assembly 10, so that the area of the display area 122 of the display screen assembly 10 is further enlarged, the area of the non-display area 144 is further reduced, and the overall aesthetic property of the mobile terminal is improved. In addition, the motor 35 can control the current to achieve the purpose of providing different rotation speeds for the lead screw 36, and further accurately control the sliding speed of the supporting device 32, so as to meet different photographing experiences of a user. The supporting device 32 slides stably under the guiding action of the guiding device 33, so that the shaking of the camera module 34 is reduced, the service life of the camera module 34 is prolonged, and the shooting quality is improved.
Referring to fig. 9, fig. 9 is a schematic structural diagram of a camera head assembly 30a according to another embodiment of the present application.
The camera head assembly 30a of the present embodiment is different from the camera head assembly 30 of the previous embodiment in that the guide 33a includes a gear 332a, the gear 332a is hinged to the fitting portion 323a of the bracket 321a, the fixed frame 31a is provided with a rack slot 315a corresponding to the gear 332a, and the gear 332a rolls along the rack slot 315a to increase stability of the bracket 321a in sliding. Because the gear 332a and the rack groove 315a are in surface contact, and the protrusion of the rack groove 315a is engaged with the groove of the tooth of the gear 332a and the adjacent tooth, the gear 332a can stably slide on the rack groove 315a and advance, and the engagement structure of the rack groove 315a and the gear 332a can effectively avoid the phenomenon that the supporting device 32a continues to slide due to the inertial rotation of the motor 35a, thereby greatly improving the user experience.
Specifically, there are at least two gears 332a, the gears 332a are distributed at two opposite ends of the bracket 321a, the number of the gears 332a may be two, the number of the gears 332a may also be three, the number of the gears 332a may also be four, and the specific number of the gears 332a is not listed here. In this embodiment, the number of the gears 332a is two, and the stability of the sliding of the support 321a is further improved without occupying an excessive space.
The rack groove 315a may be formed in the main body base 312a of the fixing frame 31a, which is advantageous in that the opening direction of the rack groove 315a is the same as the opening and closing direction of the mold for manufacturing the fixing frame 31a, so that the normal demolding of the fixing frame 31a is not affected, thereby reducing the production cost of the mold for manufacturing the fixing frame 31 a.
The rack groove 315a may also be provided on the guide wall 316a of the fixed frame 31a, and the guide walls 316a are provided at opposite ends of the main body base 312a in the sliding direction of the vertical supporting means 32a, so that the rack groove 315a and the gear 332a can be provided in the width direction of the camera head assembly 30a, thereby reducing the thickness of the camera head assembly 30a, and further making the thickness of the mobile terminal smaller.
The rack groove 315a may be replaced with a rack having a rack groove 315a, and mounted on the guide wall 316a or the body base 312a of the fixed frame 31 a.
Referring to fig. 9 and 10, fig. 10 is a flowchart illustrating a method for controlling a camera assembly 30a of a mobile terminal according to another embodiment of the present application. The camera assembly 30a includes a fixing frame 31a, a supporting device 32a, a gear 332a, a camera module 34a, a lead screw 36a and a motor 35a, the fixing frame 31a is provided with a rack slot 315a, the gear 332a is used for rolling along the rack slot 315a, the supporting device 32a is hinged with the gear 332a, the supporting device 32a is connected with the fixing frame 31a in a sliding mode through the gear 332a, the camera module 34a is arranged on the supporting device 32a, the lead screw 36a is respectively connected with the fixing frame 31a and the supporting device 32a in a threaded mode, and the output end of the motor 35a is connected with the lead screw 36 a.
M201: and the mobile terminal receives the control instruction.
The control instructions received by the mobile terminal comprise instructions needing camera matching, such as a photographing starting instruction, a photographing ending instruction, a video chatting starting instruction, a video chatting ending instruction, a video recording starting instruction, a video recording ending instruction and the like.
M202: the mobile terminal supplies power to the motor.
When the control instruction is an instruction for calling the camera to work, the mobile terminal supplies forward current to the motor 35a, and when the control instruction is an instruction for finishing the work of the camera, the mobile terminal supplies reverse current to the motor 35 a. The positive current means that the motor 35a can drive the screw rod 36a to rotate in the positive direction, so that the screw rod 36a can give a force to the supporting device 32a away from the motor 35 a. The reverse current means that the motor 35a can drive the screw rod 36a to rotate reversely, so that the screw rod 36a can give a force to the supporting device 32a close to the motor 35 a. In addition, the motor 35a can determine the rotation speed according to the magnitude of the current, so that the lead screw 36a drives the supporting device 32a to move at different speeds.
M203: the motor drives the screw rod to rotate, so that the screw rod exerts force for the supporting device to slide on the supporting device in the sliding direction of the supporting device.
The motor 35a drives the screw rod 36a to move correspondingly according to the direction and magnitude of the electrified current, the screw rod 36a is in threaded fit with the support device 32a to apply different forces to the support device 32a, and a driving force or a retraction force for the support device 32a to slide is applied to the support device 32a in the sliding direction of the support device 32 a. The driving force can make the supporting device 32a away from the motor 35a, and then the supporting device 32a drives the camera module 34a to extend out of the interior of the mobile terminal. The retracting force can make the supporting device 32a close to the motor 35a, and then the supporting device 32a drives the camera module 34a to retract to the inside of the mobile terminal.
M204: the gear rolls along the rack slot to guide the support device to slide.
The motor 35a applies a driving force or a retracting force to the supporting device 32a through the lead screw 36a, and the supporting device 32a slides stably under the matching guidance of the gear 332a and the rack groove 315a, so that the shaking of the camera module 34a is reduced, and the service life of the camera module 34a is prolonged.
Referring to fig. 11, fig. 11 is a schematic structural diagram of a camera head assembly 30b according to another embodiment of the present application.
The camera head assembly 30b of the present embodiment is different from the camera head assemblies 30 and 30a of the above embodiments in that the guiding device 33b includes a slider 332b and a guide rail 315b, the slider 332b is disposed on the engaging portion 323b of the bracket 321b, the guide rail 315b is disposed on the fixing frame 31b to engage with the slider 332b, and the slider 332b slides along the guide rail 315b to increase the stability of the sliding of the bracket 321 b. Because the surface of the slider 332b in the sliding direction of the bracket 321b and the guide rail 315b are in contact at the contact position of the slider 332b and the guide rail 315b, and the slider 332b and the guide rail 315b are in a clamping structure, the guide rail 315b can provide good supporting function for the whole slider 332b, so that the slider 332b can stably slide on the guide rail 315b to advance, and the supporting device 32b can stably slide under the matching guiding function of the slider 332b and the guide rail 315b, thereby reducing the shaking of the camera module 34b, and improving the service life and the shooting quality of the camera module 34 b.
Specifically, the number of the sliding blocks 332b is at least two, the sliding blocks 332b are distributed at two opposite ends of the bracket 321b, the number of the sliding blocks 332b may be two, the number of the sliding blocks 332b may also be three, the number of the sliding blocks 332b may also be four, and the specific number of the sliding blocks 332b is not listed here. In this embodiment, the number of the sliding blocks 332b is two, so that the stability of the sliding of the support 321b is further improved without occupying too much space.
The guide rail 315b may be disposed on the main body base 312b of the fixing frame 31b and is integrally formed with the fixing frame 31b, which is advantageous in that the opening direction of the guide rail 315b is the same as the opening and closing direction of the mold for manufacturing the fixing frame 31b, so that the normal mold stripping of the fixing frame 31b is not affected, and the production cost of the mold for manufacturing the fixing frame 31b is reduced.
The guide rail 315b may also be disposed on the guide wall 316b of the fixing frame 31b and be integrally formed with the fixing frame 31b, and the guide wall 316b is disposed at two opposite ends of the main body base 312b in the sliding direction of the vertical supporting device 32b, so that the slider 332b and the guide rail 315b may be disposed in the width direction of the camera head assembly 30b, thereby reducing the thickness of the camera head assembly 30b and further making the thickness of the mobile terminal smaller.
The guide rail 315b may be mounted as a separate part to the guide wall 316b or the main body base 312b of the fixing frame 31 b.
Referring to fig. 12, fig. 12 is a flowchart illustrating a method for controlling a camera assembly 30b of a mobile terminal according to another embodiment of the present application. The camera assembly 30b includes a fixing frame 31b, a supporting device 32b, a slider 332b, a guide rail 315b, a camera module 34b, a screw rod 36b and a motor 35b, the guide rail 315b is disposed on the fixing frame, the slider 332b is used for sliding along the guide rail 315b, the supporting device 32b is connected with the slider 332b, the camera module 34b is disposed on the supporting device 32b, the screw rod 36b is respectively in threaded connection with the fixing frame 31b and the supporting device 32b, and an output end of the motor 35b is connected with the screw rod 36 b.
M301: and the mobile terminal receives the control instruction.
The control instructions received by the mobile terminal comprise instructions needing camera matching, such as a photographing starting instruction, a photographing ending instruction, a video chatting starting instruction, a video chatting ending instruction, a video recording starting instruction, a video recording ending instruction and the like.
M302: the mobile terminal supplies power to the motor.
When the control instruction is an instruction for calling the camera to work, the mobile terminal supplies forward current to the motor 35b, and when the control instruction is an instruction for finishing the work of the camera, the mobile terminal supplies reverse current to the motor 35 b. The positive current means that the motor 35b can drive the screw rod 36b to rotate in the positive direction, so that the screw rod 36b can give a force to the supporting device 32b away from the motor 35 b. The reverse current means that the motor 35b can rotate the lead screw 36b in the reverse direction, so that the lead screw 36b can give the supporting device 32b a force close to the motor 35 b. In addition, the motor 35b can determine the rotation speed according to the magnitude of the current, so that the lead screw 36b drives the supporting device 32b to move at different speeds.
M303: the motor drives the screw rod to rotate, so that the screw rod exerts force for the supporting device to slide on the supporting device in the sliding direction of the supporting device.
The motor 35b drives the screw rod 36b to move correspondingly according to the direction and magnitude of the electrified current, the screw rod 36b is in threaded fit with the support device 32b to apply different forces to the support device 32b, and a driving force or a retraction force for the support device 32b to slide is applied to the support device 32b in the sliding direction of the support device 32 b. The driving force can make the supporting device 32b away from the motor 35b, and then the supporting device 32b drives the camera module 34b to extend out of the interior of the mobile terminal. The retracting force can make the supporting device 32b close to the motor 35b, and the supporting device 32b drives the camera module 34b to retract to the inside of the mobile terminal.
M304: the sliding block slides along the guide rail to guide the supporting device to slide.
The motor 35b provides a driving force or a retracting force to the supporting device 32b through the screw rod 36b, and the supporting device 32b stably slides under the guiding of the matching of the sliding block 332b and the guide rail 315b, so that the shaking of the camera module 34b is reduced, and the service life of the camera module 34b is prolonged.
The above description is only for the purpose of illustrating embodiments of the present invention and is not intended to limit the scope of the present invention, and all modifications, equivalents, and equivalent structures or equivalent processes that can be used directly or indirectly in other related fields of technology shall be encompassed by the present invention.
Claims (16)
1. A camera head assembly, comprising:
a mount including a main body base;
a guide device disposed on the main body base;
the supporting device comprises a support, the support is connected with the guiding device, the support is connected with the main body base in a sliding mode through the guiding device, the support is provided with a first groove, and a first through hole is formed in the bottom wall of the first groove;
the camera module is arranged on the supporting device and accommodated in the first groove, the axis of the camera module is overlapped with the axis of the first through hole, and the axis of the first through hole is vertical to the base of the main body;
the screw rod is in threaded connection with the fixing frame; and
the output end of the motor is connected with the screw rod, the motor is used for driving the screw rod to rotate so as to enable the screw rod to apply force for the supporting device to slide in the sliding direction of the supporting device, and the supporting device slides under the guidance of the guiding device;
the opposite ends of the main body base in the sliding direction of the supporting device are provided with limiting blocking walls which are used for limiting the sliding position of the support, and the limiting blocking wall at one end of the fixing frame, which is far away from the motor, is provided with a first opening for the support to slide and extend out; the guide device comprises a roller, the roller is hinged with the bracket, the fixing frame is provided with a guide groove corresponding to the roller, and the roller rolls along the guide groove;
the support device further comprises a power block, the power block is contained in the support, and the screw rod sequentially penetrates through the support and the power block and is in threaded connection with the power block, so that the support can stably slide.
2. A camera head assembly according to claim 1,
the support includes the main part and with the cooperation portion that the main part is connected, first recess is seted up on the main part, the gyro wheel with cooperation portion is articulated.
3. A camera head assembly according to claim 1,
the guide groove is provided on the main body base.
4. A camera head assembly according to claim 1,
the fixing frame further comprises guide walls, the guide walls are arranged at two opposite ends of the base of the main body in the sliding direction perpendicular to the supporting device, and the guide grooves are formed in the guide walls.
5. A camera assembly according to claim 2,
the screw rod penetrates through the matching part and is in threaded connection with the matching part.
6. A camera assembly according to claim 2,
the power block is accommodated in the matching part of the bracket, and the screw rod sequentially penetrates through the matching part and the power block and is in threaded connection with the power block.
7. A camera head assembly according to claim 6,
and the matching part of the bracket is provided with a second groove or a second through hole for accommodating the power block.
8. A camera head assembly according to claim 1,
in the axial direction of the camera module, a second opening is formed in the main body base of the fixing frame at a sliding position corresponding to the support, the first opening and the second opening are of a communicating structure, and the support protrudes out of the second opening so as to reduce the thickness of the camera assembly in the axial direction of the camera module.
9. A camera head assembly according to claim 1,
a lens groove is formed in one side, away from the camera module, of the bottom wall of the first groove;
the camera assembly further comprises a lens, and the lens is accommodated in the lens groove to prevent external impurities from entering the first groove.
10. A camera head assembly according to claim 9,
the lens is completely accommodated in the lens groove, so that the bracket blocks the impact of the outside on the lens.
11. A mobile terminal, comprising:
the display screen assembly is fixed on the shell assembly, the camera assembly is arranged in the shell assembly, and at least part of area of the camera assembly is overlapped with a display area of the display screen assembly in a non-extending state; the camera assembly is according to any one of claims 1-10.
12. The mobile terminal of claim 11,
the shell assembly comprises a shell and a dust guard, the display screen assembly is fixed on the shell, the camera assembly is arranged in the shell and can extend out of the shell from the end part of the shell, an opening is formed in the shell at the position corresponding to the end part of the camera assembly sliding out of the shell, the dust guard is accommodated in the opening and seals the opening, and the dust guard is elastically hinged with the shell;
when the camera assembly is in a non-extension state, the dust guard is automatically rebounded and accommodated in the opening.
13. The mobile terminal of claim 11,
the support includes the main part and with the cooperation portion that the main part is connected, first recess is seted up on the main part, the gyro wheel with cooperation portion is articulated.
14. The mobile terminal of claim 13,
the power block is accommodated in the matching part of the bracket, and the screw rod sequentially penetrates through the matching part and the power block and is in threaded connection with the power block.
15. A mobile terminal, comprising: a camera assembly according to any one of claims 1 to 10.
16. A method for controlling a camera assembly of a mobile terminal,
the camera assembly is according to any one of claims 1-10;
the control method comprises the following steps: the mobile terminal receives a control instruction;
the mobile terminal supplies power to the motor;
the motor drives the screw rod to rotate, so that the screw rod applies force for the supporting device to slide on the supporting device in the sliding direction of the supporting device;
the guide device guides the support device to slide.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711245900.2A CN109862222B (en) | 2017-11-30 | 2017-11-30 | Camera assembly, mobile terminal and control method of camera assembly |
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| CN201711245900.2A CN109862222B (en) | 2017-11-30 | 2017-11-30 | Camera assembly, mobile terminal and control method of camera assembly |
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| CN109862222A CN109862222A (en) | 2019-06-07 |
| CN109862222B true CN109862222B (en) | 2021-04-27 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2021127917A1 (en) * | 2019-12-23 | 2021-07-01 | 诚瑞光学(常州)股份有限公司 | Photographing device, electronic apparatus, and method of using electronic apparatus |
| CN111147717B (en) * | 2019-12-24 | 2022-04-15 | 诚瑞光学(常州)股份有限公司 | Camera system and mobile terminal |
| CN111416897B (en) | 2020-03-30 | 2021-04-23 | 维沃移动通信有限公司 | Electronic device |
| CN112615997B (en) * | 2020-12-29 | 2022-02-15 | 北京嘀嘀无限科技发展有限公司 | Camera lens adjusting device, driving assisting equipment and vehicle |
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| CN109862222A (en) | 2019-06-07 |
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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Applicant after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Applicant before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. |
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