CN109962995A - Functional component, electronic device and control method thereof - Google Patents

Abstract

The present application discloses a functional assembly including a base, a sliding seat and a driving assembly. The sliding seat is telescopically and slidably connected to the base, the sliding seat is provided with a camera module, and the driving assembly is arranged in the base. The driving assembly includes an elastic member, a cam and a driving member for driving the cam to rotate. , the other end of the elastic piece is connected with the sliding seat, and the cam has a rotation center, a distal end point and a proximal end point. When the driving member drives the cam to rotate, the contact position of the cam and the sliding seat moves from the proximal end to the distal point to push the sliding seat, so that the camera module extends out of the base, and the elastic member is stretched; when the driving member is stopped, the elastic member Back to pull the slide closer so that the camera module retracts into the base and the cam is pushed back into place. The above camera module can be extended and retracted relative to the base, which is convenient for the user to carry, reduces the use volume, and improves the user experience. The present application also discloses an electronic device and a control method thereof.

Description

Functional component, electronic device and control method thereof

technical field

The present application relates to the field of electronic equipment, and in particular, to a functional component, an electronic device and a control method thereof.

Background technique

At present, the functional components of mobile phones provide users with usage functions. However, the functional components of the mobile phone increase the use volume of the mobile phone, which causes troubles such as inconvenience to carry or hold, and reduces the user experience.

SUMMARY OF THE INVENTION

The present application provides a functional component and an electronic device for improving user experience.

The present application provides a functional assembly, including a base, a sliding seat and a driving assembly, wherein the sliding seat is telescopically slidably connected to the base, a camera module is arranged on the sliding seat, and the driving assembly is disposed on the base. In the base, the drive assembly includes an elastic member, a cam and a drive member for driving the cam to rotate, one end of the elastic member is fixed relative to the base, and the other end of the elastic member is connected to the sliding seat, The cam has a rotation center, a distal point and a proximal end, and the distance between the distal point and the rotation center is greater than the distance between the proximal end and the rotation center;

When the driving member drives the cam to rotate, the contact position of the cam and the sliding seat moves from the proximal point to the distal point to push the sliding seat, so that the camera module extends out In the base, the elastic member is stretched; when the driving member stops driving, the elastic member recovers to pull the sliding seat closer, so that the camera module retracts into the base, and the cam is pushed back to the original position.

The present application also provides an electronic device including the above functional components.

The present application also provides a control method for an electronic device, the electronic device includes a base, a sliding seat and a drive assembly, the sliding seat is telescopically slidably connected to the base, and a camera module is disposed on the sliding seat , the drive assembly is arranged in the base, the drive assembly includes an elastic member, a cam and a drive member for driving the cam to rotate, one end of the elastic member is fixed relative to the base, and the elastic member is The other end is connected to the sliding seat, the cam has a rotation center, a distal point and a proximal point, and the distance between the distal point and the rotation center is greater than the distance between the proximal point and the rotation center the distance;

The control method of the electronic device includes:

The electronic device receives the extension signal, the electronic device controls the driving member to drive the cam to rotate according to the extension signal, and the contact position of the cam and the sliding seat is from the proximal end to the The distal point moves to push the sliding seat, so that the camera module extends out of the base, and the elastic member is stretched;

The electronic device receives a retraction signal, the electronic device stops driving the driving member according to the retraction signal, and the elastic member returns to pull the sliding seat closer, so that the camera module retracts into the base, so The cam is pushed back to its original position.

In the functional assembly, electronic device and control method thereof provided by the present application, when the driving member drives the cam to rotate, the contact position of the cam and the sliding seat is from the proximal point to the distal point moving, the distance between the contact position of the cam and the sliding seat and the rotation center increases, so as to push the sliding seat, so that the camera module protrudes from the base, and the elastic member is stretched . When stopping the driving of the driving member, the cam is in an active state, the elastic member returns to draw the sliding seat, and the contact position of the cam and the sliding seat is from the distal point to the proximal end When the point moves, the distance between the contact position of the cam and the sliding seat and the rotation center decreases, so that the camera module retracts into the base, and the cam is pushed back to its original position. When the camera module of the functional component extends out of the base, the interaction between the camera module and the user is ensured, and when the camera module retracts into the base, the application of the functional component is reduced. The use volume of the electronic device is convenient for the user to carry the electronic device, so the functional components improve the user experience.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present application more clearly, the following will briefly introduce the accompanying drawings used in the embodiments. Obviously, the drawings in the following description are some embodiments of the present application, which are common in the art. As far as technical personnel are concerned, other drawings can also be obtained based on these drawings without any creative effort.

FIG. 1 is a schematic three-dimensional structural diagram of an electronic device provided by an embodiment of the present application;

FIG. 2 is a schematic structural diagram of an embodiment of the functional components of the electronic device shown in FIG. 1;

Fig. 3 is the structural schematic diagram of another use state of the functional component shown in Fig. 2;

FIG. 4 is a schematic structural diagram of another embodiment of the functional components of the electronic device shown in FIG. 1;

Fig. 5 is the structural schematic diagram of another use state of the functional component shown in Fig. 4;

FIG. 6 is a schematic structural diagram of still another embodiment of the functional components of the electronic device shown in FIG. 1;

Fig. 7 is the structural representation of the base of the functional assembly shown in Fig. 2;

Fig. 8 is the exploded schematic diagram of the partial structure of the functional assembly shown in Fig. 2;

FIG. 9 is a flowchart of a control method of an electronic device provided by an embodiment of the present application.

Detailed ways

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

Furthermore, the following descriptions of the various embodiments refer to the accompanying drawings to illustrate specific embodiments in which the present application may be practiced. Directional terms mentioned in this application, such as "upper", "lower", "front", "rear", "left", "right", "inner", "outer", "side", etc., only Reference is made to the directions of the accompanying drawings, therefore, the directional terms used are for better and clearer description and understanding of the present application, rather than indicating or implying that the device or element referred to must have a specific orientation, in a specific orientation construction and operation, and therefore should not be construed as limitations on this application.

In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected", "connected" and "disposed on" should be interpreted in a broad sense, for example, it may be The fixed connection can also be a detachable connection or an integral connection; it can be a mechanical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal communication of the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood in specific situations.

Also, in the description of this application, unless otherwise specified, "plurality" means two or more. If the term "process" appears in this specification, it not only refers to an independent process, but also includes in this term as long as the intended function of the process can be achieved when it cannot be clearly distinguished from other processes. In addition, the numerical range represented by "-" in this specification means the range which includes the numerical value described before and after "-" as a minimum value and a maximum value, respectively. In the drawings, structurally similar or identical elements are denoted by the same reference numerals.

Please refer to FIG. 1 to FIG. 3 together, an embodiment of the present application provides a functional component 100 . The functional assembly 100 includes a base 1 , a sliding seat 2 and a driving assembly 3 . The sliding seat 2 is telescopically and slidably connected to the base 1 . A camera module 4 is arranged on the sliding seat 2 . The drive assembly 3 is arranged in the base 1 . The driving assembly 3 includes an elastic member 31 , a cam 32 and a driving member 33 for driving the cam 32 to rotate. One end of the elastic member 31 is fixed relative to the base 1 , and the other end of the elastic member 31 is connected to the sliding base 2 . The cam 32 has a rotation center 321 , a distal end 322 and a proximal end 323 . The distance between the distal point 322 and the rotation center 321 is greater than the distance between the proximal point 323 and the rotation center 321 . When the driving member 33 drives the cam 32 to rotate, the contact position between the cam 32 and the sliding seat 2 moves from the proximal point 323 to the distal point 322 to push the sliding seat 2 , so that The camera module 4 protrudes from the base 1 , and the elastic member 31 is stretched (as shown in FIG. 3 ). When the driving member 33 stops driving, the elastic member 31 returns to pull the sliding seat 2 closer, so that the camera module 4 retracts into the base 1 and the cam 32 is pushed back to its original position (as shown in the figure). 2 shown). It can be understood that, referring to FIG. 1 , the functional component 100 can be applied to the electronic device 200 . The electronic device 200 may be a mobile phone, a tablet computer, a notebook computer, or the like.

In this embodiment, when the driving member 33 drives the cam 32 to rotate, the contact position of the cam 32 and the sliding seat 2 moves from the proximal point 323 to the distal point 322, and the The distance between the contact position of the cam 32 and the sliding seat 2 and the rotation center 321 is increased to push the sliding seat 2 so that the camera module 4 protrudes from the base 1 and the elastic member 31 stretched. When the driving member 33 stops driving, the cam 32 is in an active state, the elastic member 31 recovers to pull the sliding seat 2 closer, and the contact position between the cam 32 and the sliding seat 2 is determined by the distal end When the point 322 moves to the proximal end 323 , the distance between the contact position of the cam 32 and the sliding seat 2 and the rotation center 321 decreases, so that the camera module 4 retracts into the base 1 , the cam 32 is pushed back to its original position. When the camera module 4 of the functional assembly 100 extends out of the base 1, the interaction between the camera module 4 and the user is ensured, and when the camera module 4 retracts into the base 1, the In order to use the volume of the electronic device 200 to which the functional component 100 is applied, it is convenient for the user to carry the electronic device 200 , so the functional component 100 improves the user experience.

It can be understood that, in other embodiments, the camera module 4 can also be replaced with other functional devices, and the functional devices include but are not limited to iris recognition modules, face recognition modules, flash lights, microphones, Any one or more combinations of receivers, photoreceptors, fingerprint modules, buttons and other modules. The first direction may be a counterclockwise direction or a clockwise direction. The shaft 324 of the cam 32 is rotatably connected to the base 1 . The rotation center 321 is located at the axis of the rotation shaft 324 .

Optionally, the driving member 33 has various forms of driving the cam 32 to rotate, for example:

In one embodiment, please refer to FIG. 2 and FIG. 3 together, the driving member 33 includes a magnetic component 331 and a coil 332 . The coil 332 is fixed on the cam 32 . The magnetic component 331 is used to form a magnetic field covering the rotation range of the cam 32 . When the coil 332 is energized, the cam 32 is driven to rotate.

In this embodiment, since the driving member 33 drives the cam 32 to rotate through magnetic force, when the camera module 4 is impacted by the impact force toward the base 1 , the sliding base 2 will quickly overcome The magnetic force of the driving member 33 carries the camera module 4 and retracts into the base 1, so as to prevent the camera module 4 from being damaged due to rigid impact, so that the functional component 100 and the electronic device are not damaged. 200 is more reliable. At the same time, the functional assembly 100 can also retract the camera module 4 into the base 1 when the user manually presses the sliding seat 2 , so as to meet more diverse user needs.

It can be understood that when the driving member 33 stops driving, the coil 332 is powered off, the cam 32 is in an active state, and the cam 32 removes the pushing force on the sliding seat 2, so that the elastic member can It rotates under the elastic force of 31 and is pushed back to its original position by the sliding seat 2 .

The magnetic assembly 331 includes a first magnet 3311 and a second magnet 3312 . In the vertical direction of the sliding direction of the sliding seat 2 , the first magnet 3311 and the second magnet 3312 are located on two sides of the cam 32 respectively. The first magnet 3311 and the second magnet 3312 together form a magnetic field covering the rotation range of the cam 32 .

The distance between the coil 332 and the distal point 322 is smaller than the distance between the coil 332 and the rotation center 321 . At this time, the coil 332 is disposed closer to the distal point 322 than the rotation center 321 . When the coil 332 is energized and subjected to force, the coil 332 can more easily drive the cam 32 to rotate, so as to reduce the Energy consumption of the functional components 100 . It can be understood that, the closer the coil 332 is to the distal point 322, the smaller the magnetic force required to drive the cam 32 to rotate, and the lower the energy consumption of the functional assembly 100.

In another embodiment, please refer to FIG. 4 and FIG. 5 together, the driving member 33 includes a motor 333 , a first gear 334 and a second gear 335 . The first gear 334 is coaxial with the cam 32 . The second gear 335 is fixed on the output shaft of the motor 333 . The second gear 335 meshes with the first gear 334 . When the motor 333 is powered on and rotates, the second gear 335 drives the cam 32 to rotate through the first gear 334 . When the driving member 33 stops driving, the motor 333 is powered off, the output shaft of the motor 333 is in an active state, the second gear 335 and the first gear 334 are also in an active state, and the cam 32 is in an active state. In the active state, it can rotate under the elastic force of the elastic member 31 and be pushed back to the original position by the sliding seat 2 .

Wherein, the motor 333 can be a stepping motor or other servo motor that can realize precise control, so as to accurately control the rotation direction and rotation angle of the cam 32, so as to precisely control the sliding displacement of the sliding seat 2, so that the The functional components 100 and the electronic device 200 have better use experience and higher reliability.

Optionally, one end of the elastic member 31 may be fixed on the rotation center 321 . One end of the elastic member 31 is fixed on the rotation center 321 , and the space in the base 1 can be reused to reduce the overall volume of the functional assembly 100 . In other embodiments, as shown in FIG. 2 , one end of the elastic member 31 can be fixed on the base 1 and disposed as close to the rotation center 321 as possible.

Optionally, please refer to FIG. 2 and FIG. 3 together, the outer surface of the cam 32 has a plurality of end points, and the end point farthest from the rotation center 321 among the plurality of end points is the distal end point 322. . By arranging the distal point 322 at the farthest position from the rotation center 321, the volume of the cam 32 can be reduced, thereby reducing the space occupied by the functional assembly 100, which is beneficial to the electronic device 200 thinning.

It can be understood that, in other embodiments, as shown in FIG. 6 , the distal point 322 may not be the farthest end point among the plurality of end points, and only needs to be as far away from the rotation center 321 as possible.

In one embodiment, the end point closest to the rotation center 321 among the plurality of end points may also be set as the near end point 323 .

Optionally, please refer to FIG. 6 , the connection line between the distal point 322 and the rotation center 321 is a first connection line 32a. The tangent line 32c of the cam 32 at the distal point 322 forms an included angle α with the first connecting line 32a, and the included angle α is not equal to 90°. At this time, when the sliding seat 2 is acted by an external force to push the cam 32 , the cam 32 can be prevented from being stuck, thereby reducing the risk of damage to the functional component 100 .

Optionally, please refer to FIG. 2 and FIG. 3 together, the connection line between the distal point 322 and the rotation center 321 is the first connection line 32a, the proximal point 323 and the rotation center 321 The connection between them is the second connection 32b. The angle β between the second connecting line 32b and the first connecting line 32a is greater than or equal to 60° and less than or equal to 120°. For example, the second connection line 32b is perpendicular to the first connection line 32a. In this embodiment, the rotation range of the cam 32 is small, so that the space occupied by the functional component 100 can be reduced, which is beneficial to the thinning of the electronic device 200 .

Optionally, please refer to FIG. 2 , the outer surface of the cam 32 includes a resisting segment 325 , the resisting segment 325 is located between the distal end 322 and the proximal end 323 , the resisting segment 325 . 325 is a smooth surface. At this time, the cam 32 can stably push the sliding seat 2 , and during the relative movement of the cam 32 and the sliding seat 2 , the risk of wear of the cam 32 and the sliding seat 2 is reduced.

Optionally, please refer to FIG. 2 , FIG. 3 and FIG. 7 together, the base 1 includes a bottom plate 11 and a frame 12 connected to the periphery of the bottom plate 11 . The receiving cavity 13 is defined by the bottom plate 11 and the frame 12 . The drive assembly 3 is accommodated in the accommodating cavity 13 . The frame 12 is provided with a telescopic opening 121 connected to the receiving cavity 13 , and the sliding seat 2 is slidably connected to the frame 12 through the expansion opening 121 , so that the camera module 4 can pass through the expansion opening 121 . Extend or retract the receiving cavity 13 . The bottom plate 11 may be a rear cover or a middle partition of the electronic device 200 . The frame 12 may be a peripheral frame of the electronic device 200 .

In this embodiment, the bottom plate 11 of the base 1 carries the sliding base 2 and the driving assembly 3 to ensure that the driving assembly 3 can drive the sliding base 2 to extend and retract relative to the base 1 . The frame 12 covers and hides the sliding seat 2 and the driving assembly 3 , so as to improve the appearance performance and safety performance of the functional assembly 100 . Since the telescopic opening 121 is disposed on the frame 12, the camera module 4 is telescopic on the side of the base 1, that is, the camera module 4 is telescopic on the side of the electronic device 200, so The camera module 4 does not occupy the front space of the electronic device 200 to avoid limiting the screen ratio of the electronic device 200 .

The outer peripheral side wall of the sliding seat 2 is in clearance fit with the inner peripheral side wall of the telescopic opening 121 . At this time, the gap between the outer peripheral side wall of the sliding seat 2 and the inner peripheral side wall of the telescopic opening 121 can ensure that the sliding seat 2 can smoothly slide relative to the base 1 .

Optionally, the bottom plate 11 is provided with a guide groove 111 , the guide groove 111 communicates with the receiving cavity 13 and the telescopic opening 121 , and the sliding seat 2 slides along the guide groove 111 . The guide groove 111 is used to cooperate with the telescopic opening 121 to jointly define the sliding direction of the sliding seat 2, so as to ensure that the camera module 4 can be smoothly extended out of the receiving cavity 13 or retracted into the receiving cavity 13. Cavity 13.

Wherein, a distance is formed between the end surface of the guide groove 111 away from the frame 12 and the outer side surface of the frame 12 (ie, the side surface away from the receiving cavity 13 ). The sliding seat 2 has a length dimension in the extending direction of the guide groove 111 . The ratio of the pitch to the length dimension is greater than or equal to 1 and less than or equal to 1.1. At this time, the end surface of the guide groove 111 away from the frame 12 can limit the position of the sliding seat 2 , limit the depth of the sliding seat 2 extending into the receiving cavity 13 , and prevent the sliding seat 2 completely fall into the receiving cavity 13 , thereby ensuring the reliability of the functional component 100 and the electronic device 200 . Furthermore, when the functional component 100 is accidentally impacted and the camera module 4 is retracted into the accommodating cavity 13 , the sliding seat 2 can be protected in position.

Optionally, please refer to FIG. 2 , FIG. 3 , FIG. 7 and FIG. 8 together, the sliding seat 2 includes a base 21 and a baffle 22 fixed on one side of the base 21 . The base 21 defines a device space 211 . The camera module 4 is accommodated in the device space 211 . The baffle 22 is perpendicular to the sliding direction of the sliding seat 2 . When the camera module 4 is retracted into the receiving cavity 13 , the baffle 22 covers the telescopic opening 121 . The baffle 22 is used to prevent external water vapor and dust from entering the receiving cavity 13 through the telescopic opening 121 , thereby improving the reliability of the camera module 4 and the electronic device 200 .

The outer peripheral side wall of the sliding seat 2 is in clearance fit with the inner peripheral side wall of the telescopic opening 121 , so that the sliding seat 2 can smoothly slide relative to the frame 12 .

Optionally, as shown in FIG. 8 , the sliding seat 2 further includes a cover plate 23 . The cover plate 23 is connected to the base 21 to cover the device space 211 . The cover plate 23 is provided with a light-transmitting portion 231 facing the camera module 4 . The light-transmitting portion 231 may be a light-transmitting lens or a light-transmitting hole.

In this embodiment, the cover plate 23 and the base 21 together surround the camera module 4, thereby playing a protective role. The light-transmitting portion 231 provided on the cover plate 23 enables the camera module 4 to smoothly interact with the user when the camera module 4 extends out of the receiving cavity 13 .

Optionally, the device space 211 further accommodates at least one of an iris recognition module, a face recognition module, a fingerprint recognition module, a flash, a photosensitive sensor, a receiver and a microphone. The cover plate 23 is further provided with a signal penetration portion, and the signal penetration portion is used for allowing signals to pass through the cover plate 23 to interact with the devices in the sliding seat 2 . The signal penetrating part can be a light-transmitting lens, a perforated plate or a through hole, so as to allow sound signals or light signals to pass through. As shown in FIG. 8 , the device space 211 further accommodates the flash 5 and the circuit board 6 . The flash 5 is fixed on the circuit board 6 and is electrically connected to the circuit board 6 . The camera module 4 is electrically connected to the circuit board 6 through an electrical connector.

Optionally, the functional component 100 further includes a flexible printed circuit (Flexible Printed Circuit, FPC). One end of the flexible circuit board extends into the sliding seat 2 and is electrically connected to the camera module 4 , and the other end of the flexible circuit board extends out of the sliding seat 2 . The other end of the flexible circuit board is located in the accommodating cavity 13 to be electrically connected to other devices located in the accommodating cavity 13 , such as the main board of the electronic device 200 .

Please refer to FIG. 1 to FIG. 8 together. The embodiment of the present application further provides an electronic device 200 . The electronic device 200 includes the functional component 100 described in any of the above embodiments. The electronic device 200 involved in the embodiments of the present application may be any device with communication and storage functions, such as a tablet computer, a mobile phone, an electronic reader, a remote control, a personal computer (PC), a notebook computer, an in-vehicle device, a network Smart devices with network functions such as TVs and wearable devices. The electronic device 200 further includes a battery, a mainboard, and the like accommodated in the accommodating cavity 13 .

Optionally, the accommodating cavity 13 has an accommodating opening perpendicular to the sliding direction of the camera module 4 . The electronic device 200 further includes a display screen 300 , and the display screen 300 is fixed on the base 1 . Specifically, the display screen 300 is covered with the base 1 and covers the receiving opening. Since the camera module 4 can flexibly extend out of the accommodating cavity 13 or retract into the accommodating cavity 13 according to usage requirements, the camera module 4 does not need to occupy the front space of the electronic device 200 and will not The screen-to-body ratio of the display screen 300 is limited, so that the screen-to-body ratio of the electronic device 200 can be increased, which is beneficial to the development needs of the full-screen display of the electronic device 200 .

Wherein, when the camera module 4 is retracted into the base 1 , the display area of the display screen 300 at least partially covers the camera module 4 . As shown in FIG. 1 , the exposed part of the display screen 300 is entirely or almost entirely the display area of the display screen 300 . Since the camera module 4 does not need to occupy the position of the display area, the display area can have as large an area as possible, thereby increasing the screen ratio of the display screen 300 and satisfying the comprehensive coverage of the electronic device 200 The screen displays the requirements. The camera module 4 does not occupy the position on the display screen 300 of the electronic device 200, which reduces the process of hollowing out or punching the display screen 300, and reduces the processing steps of the display screen 300. The camera module 4 also does not. Occupies a position on the display area of the electronic device 200, thereby increasing the screen ratio of the electronic device 200, facilitating operation and improving user experience.

The display screen 300 can be a touch display screen. The display screen 300 may be a liquid crystal display (Liquid Crystal Display, LCD) or an organic electroluminescence display (Organic Light-Emitting Diode, OLED).

Please refer to FIG. 1 to FIG. 9 together, an embodiment of the present application further provides a control method of an electronic device. The control method of the electronic device is applied to the electronic device 200 described in any one of the foregoing embodiments. The electronic device 200 includes a base 1 , a sliding base 2 and a drive assembly 3 , the sliding base 2 is telescopically connected to the base 1 , and a camera module 4 is arranged on the sliding base 2 . 3 is arranged in the base 1, the driving component 3 includes an elastic member 31, a cam 32 and a driving member 33 for driving the cam 32 to rotate. One end of the elastic member 31 is fixed relative to the base 1, so The other end of the elastic member 31 is connected to the sliding seat 2. The cam 32 has a rotation center 321, a distal point 322 and a proximal point 323. The distance between the distal point 322 and the rotation center 321 is greater than The distance between the proximal point 323 and the rotation center 321 .

The control method of the electronic device includes:

101: The electronic device 200 receives the extension signal, and the electronic device 200 controls the driving member 33 to drive the cam 32 to rotate according to the extension signal, and the contact position of the cam 32 and the sliding seat 2 is determined by: The proximal point 323 moves toward the distal point 322 to push the sliding seat 2, so that the camera module 4 extends out of the base 1, and the elastic member 31 is stretched;

102 : The electronic device 200 receives a contraction signal, the electronic device 200 stops driving the driving member 33 according to the contraction signal, and the elastic member 31 returns to pull the sliding seat 2 closer, so that the camera module 4. The base 1 is retracted, and the cam 32 is pushed back to its original position.

It can be understood that the electronic device 200 further includes a controller (not shown in the figure). The electronic device 200 can receive the extension signal or the retraction signal through the touch-controlled display screen 300 , the receiver, the photosensitive element, the flasher and other devices, and control the driving component 3 through the controller.

In this embodiment, when the user needs to shoot, the camera module 4 can be extended from the base 1 to shoot by inputting the extension signal on the electronic device 200 . At this time, the extension signal is a shooting signal. When the user finishes shooting, the camera module 4 can be retracted into the base 1 by inputting the retraction signal on the electronic device 200 . At this time, the contraction signal is a shooting completion signal.

Optionally, the control method of the electronic device further includes:

When the extension length of the sliding seat 2 reaches a first threshold and the acceleration of the electronic device 200 reaches a second threshold, the electronic device 200 stops driving the driving member 33 , and the elastic member 31 recovers to draw closer The sliding seat 2 causes the camera module 4 to retract into the base 1, and the cam 32 is pushed back to its original position.

Wherein, the electronic device 200 further includes a gravity sensor, and the gravity sensor is used to detect the acceleration of the electronic device 200 . The electronic device 200 can detect the protruding length of the sliding seat 2 by means of a pressure sensor, an infrared range finder, or a trigger switch. When the acceleration reaches the second threshold, the electronic device 200 is in a falling environment. The controller is also used for judging the relationship between the extension length of the sliding seat 2 and the first threshold. The gravity sensor is electrically connected to the controller, and the controller is further configured to determine the relationship between the acceleration of the electronic device 200 and the second threshold. The controller controls the driving assembly 3 and the pulling assembly so that the sliding seat 2 carries the camera module 4 to retract into the base 1 , thereby preventing the camera module 4 from being damaged by falling.

The above are the embodiments of the embodiments of the present application. It should be pointed out that for those skilled in the art, without departing from the principles of the embodiments of the present application, several improvements and modifications can also be made. It is regarded as the protection scope of this application.

Claims (17)

1. A functional assembly, characterized in that it comprises a base, a sliding seat and a drive assembly, the sliding seat is telescopically and slidably connected to the base, a camera module is arranged on the sliding seat, and the drive assembly is provided with a camera module. In the base, the driving assembly includes an elastic member, a cam and a driving member for driving the cam to rotate, one end of the elastic member is fixed relative to the base, and the other end of the elastic member is connected to the sliding a seat, the cam has a rotation center, a distal point and a proximal end, and the distance between the distal point and the rotation center is greater than the distance between the proximal end and the rotation center; When the driving member drives the cam to rotate, the contact position of the cam and the sliding seat moves from the proximal point to the distal point to push the sliding seat, so that the camera module extends out In the base, the elastic member is stretched; when the driving member stops driving, the elastic member recovers to pull the sliding seat closer, so that the camera module retracts into the base, and the cam is pushed back to the original position. 2 . The functional assembly according to claim 1 , wherein the driving member comprises a magnetic assembly and a coil, the coil is fixed on the cam, and the magnetic assembly is used to form a rotating range covering the cam. 3 . The magnetic field, when the coil is energized, drives the cam to rotate. 3 . The functional assembly according to claim 2 , wherein the magnetic assembly comprises a first magnet and a second magnet, and the first magnet and the second magnet are perpendicular to the sliding direction of the sliding seat. 4 . The second magnets are located on both sides of the cam, respectively. 4. The functional assembly of claim 2, wherein the distance between the coil and the distal point is smaller than the distance between the coil and the center of rotation. 5 . The functional assembly according to claim 1 , wherein the driving member comprises a motor, a first gear and a second gear, the first gear and the cam are coaxially arranged, and the second gear is fixed. 6 . On the output shaft of the motor, when the motor is powered on and rotates, the second gear drives the cam to rotate through the first gear. 6. The functional assembly according to any one of claims 1 to 5, wherein the outer surface of the cam has a plurality of end points, and the end point farthest from the rotation center among the plurality of end points is the the remote point. 7 . The functional assembly according to claim 1 , wherein the connection line between the distal end point and the rotation center is a first connection line, and the proximal end point is connected to the rotation center. 8 . The connecting line between the rotation centers is a second connecting line, and the angle between the second connecting line and the first connecting line is greater than or equal to 60° and less than or equal to 120°. 8 . The functional assembly according to claim 1 , wherein the outer surface of the cam comprises a resisting segment, and the resisting segment is located between the distal end and the proximal end. 9 . In between, the resisting segment is a smooth curved surface. 9 . The functional assembly according to claim 1 , wherein the base comprises a bottom plate and a frame connecting the periphery of the bottom plate, the bottom plate and the frame define a receiving cavity, and the The frame is provided with a telescopic opening connected to the accommodating cavity, and the sliding seat is slidably connected to the frame through the telescopic opening, so that the camera module extends or retracts into the accommodating cavity through the telescopic opening. 10 . The functional assembly according to claim 9 , wherein the bottom plate is provided with a guide groove, the guide groove communicates with the receiving cavity and the telescopic opening, and the sliding seat slides along the guide groove. 11 . 11. The functional assembly according to claim 9, wherein the sliding seat comprises a base and a baffle plate fixed on one side of the base, the base encloses a device space, and the camera mold The assembly is accommodated in the device space, the baffle is perpendicular to the sliding direction of the sliding seat, and when the camera module is retracted into the accommodation cavity, the baffle covers the telescopic opening. 12 . The functional assembly according to claim 11 , wherein the sliding seat further comprises a cover plate, the cover plate is connected to the base to cover the device space, and the cover plate is provided with an opposite the light-transmitting part of the camera module. 13. The functional assembly according to claim 11, wherein the device space also accommodates an iris recognition module, a face recognition module, a fingerprint recognition module, a flash, a photosensitive sensor, a receiver and a microphone at least one of the. 14. An electronic device, characterized by comprising the functional component according to any one of claims 1 to 13. 15 . The electronic device according to claim 14 , wherein the electronic device further comprises a display screen, the display screen is fixed on the base, and the display screen is displayed when the camera module is retracted into the base. 16 . The display area of the screen at least partially covers the camera module. 16. A control method for an electronic device, characterized in that the electronic device comprises a base, a sliding seat and a drive assembly, the sliding seat is telescopically slidably connected to the base, and a camera module is provided on the sliding seat. The drive assembly is arranged in the base, the drive assembly includes an elastic member, a cam and a drive member for driving the cam to rotate, one end of the elastic member is fixed relative to the base, and the elastic member The other end of the cam is connected to the sliding seat, the cam has a rotation center, a distal point and a proximal end, and the distance between the distal point and the rotation center is greater than the distance between the proximal end and the rotation center. the distance between; The control method of the electronic device includes: The electronic device receives the extension signal, the electronic device controls the driving member to drive the cam to rotate according to the extension signal, and the contact position of the cam and the sliding seat is from the proximal end to the The distal point moves to push the sliding seat, so that the camera module extends out of the base, and the elastic member is stretched; The electronic device receives a retraction signal, the electronic device stops driving the driving member according to the retraction signal, and the elastic member returns to pull the sliding seat closer, so that the camera module retracts into the base, so The cam is pushed back to its original position. 17. The control method of an electronic device according to claim 16, wherein the control method of the electronic device further comprises: When the extension length of the sliding seat reaches a first threshold and the acceleration of the electronic device reaches a second threshold, the electronic device stops driving the driving member, and the elastic member recovers to pull the sliding seat closer, The camera module is retracted into the base, and the cam is pushed back to its original position.