WO2021238959A1 - 电子设备 - Google Patents

电子设备 Download PDF

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Publication number
WO2021238959A1
WO2021238959A1 PCT/CN2021/095943 CN2021095943W WO2021238959A1 WO 2021238959 A1 WO2021238959 A1 WO 2021238959A1 CN 2021095943 W CN2021095943 W CN 2021095943W WO 2021238959 A1 WO2021238959 A1 WO 2021238959A1
Authority
WO
WIPO (PCT)
Prior art keywords
cam
housing
functional device
electronic device
positioning
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2021/095943
Other languages
English (en)
French (fr)
Inventor
蔡程
蔡庆斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vivo Mobile Communication Co Ltd
Original Assignee
Vivo Mobile Communication Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Vivo Mobile Communication Co Ltd filed Critical Vivo Mobile Communication Co Ltd
Priority to EP21812463.4A priority Critical patent/EP4161037B1/en
Priority to KR1020227045488A priority patent/KR102754558B1/ko
Priority to ES21812463T priority patent/ES2991775T3/es
Priority to JP2022572709A priority patent/JP7459304B2/ja
Publication of WO2021238959A1 publication Critical patent/WO2021238959A1/zh
Priority to US17/991,440 priority patent/US12239023B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/101—Piezoelectric or electrostrictive devices with electrical and mechanical input and output, e.g. having combined actuator and sensor parts
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/016—Input arrangements with force or tactile feedback as computer generated output to the user
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1601—Constructional details related to the housing of computer displays, e.g. of CRT monitors, of flat displays
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1626—Constructional details or arrangements for portable computers with a single-body enclosure integrating a flat display, e.g. Personal Digital Assistants [PDAs]
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
    • H02N2/10—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing rotary motion, e.g. rotary motors
    • H02N2/103—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing rotary motion, e.g. rotary motors by pressing one or more vibrators against the rotor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
    • H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
    • H04M1/0235—Slidable or telescopic telephones, i.e. with a relative translation movement of the body parts; Telephones using a combination of translation and other relative motions of the body parts
    • H04M1/0237—Sliding mechanism with one degree of freedom
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0249—Details of the mechanical connection between the housing parts or relating to the method of assembly
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/163—Wearable computers, e.g. on a belt
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0264—Details of the structure or mounting of specific components for a camera module assembly
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices

Definitions

  • This application relates to the technical field of communication equipment, and in particular to an electronic device.
  • the present application discloses an electronic device to solve the problem of relatively low screen-to-body ratio of the electronic device due to the functional device located next to the display screen in the current electronic device, and the functional device is easily damaged due to bumps.
  • An electronic device including:
  • a housing the housing is provided with an opening
  • a functional device the functional device is movably mounted on the housing;
  • a driving mechanism the driving mechanism is installed in the housing, the driving mechanism includes a piezoelectric device, and the piezoelectric device vibrates when energized;
  • a transmission mechanism includes a cam, the cam is arranged on the inner side of the functional device, the cam includes a wheel body and a protruding part, the protruding part is provided on the rim of the wheel body, the wheel body Mounted on the piezoelectric device, the piezoelectric device drives the cam to rotate between a first position and a second position;
  • the functional device When the cam is located in the first position, the functional device is located in the housing, and when the cam is located in the second position, the protrusion drives at least part of the functional device from The opening protrudes out of the housing.
  • the application discloses an electronic device, which includes a housing, a functional device, a transmission mechanism, and a driving mechanism.
  • the driving mechanism includes a piezoelectric device.
  • the piezoelectric device can vibrate when energized, thereby driving the functional device to move through the transmission mechanism.
  • the piezoelectric device does not produce electromagnetic interference during the working process, and there is almost no noise during operation.
  • the user experience is better, and there is no need to equip the driving mechanism with a deceleration mechanism, which makes the overall structure of the electronic device more streamlined.
  • the transmission mechanism includes a cam.
  • the cam is arranged inside the functional device, and the cam is installed on the piezoelectric device.
  • the piezoelectric device can drive the cam to rotate to change the position of the cam.
  • This transmission mechanism occupies a relatively small installation and working space.
  • the structure is simple and compact, the design is convenient, it is easy to manufacture, and the reliability is high.
  • the functional device can be retracted into the housing by rotating the cam to the first position, so as to provide protection for the functional device with the help of the housing to prevent the functional device Damage due to bumps;
  • the piezoelectric device can be used to rotate the cam from the first position to the second position, and the cam can drive at least part of the functional device to extend from the opening of the casing to the outside of the casing. Ensure that the functional devices can work normally.
  • the functional device is installed in the housing instead of on the surface of the housing, the functional device does not occupy the space on the housing for installing the display screen, thereby expanding the area occupied by the display screen and increasing the screen-to-body ratio of electronic equipment .
  • FIG. 1 is a schematic diagram of the structure of an electronic device disclosed in an embodiment of the application.
  • FIG. 2 is a schematic diagram of a part of the structure in the electronic device shown in FIG. 1;
  • FIG. 3 is a schematic diagram of the structure shown in FIG. 2 in another direction;
  • FIG. 4 is a first state diagram during movement of components in the electronic device shown in FIG. 1;
  • Fig. 5 is a second state diagram of the electronic device shown in Fig. 1 during the movement of the components;
  • Fig. 6 is a third state diagram of the electronic device shown in Fig. 1 during the movement of the components;
  • Fig. 7 is a fourth state diagram of the electronic device shown in Fig. 1 during the movement of the components;
  • Fig. 8 is a fifth state diagram of the electronic device shown in Fig. 1 during the movement of the components;
  • FIG. 9 is a schematic diagram of the assembly of the driving mechanism in the electronic device disclosed in the embodiment of the application.
  • FIG. 10 is a schematic diagram of the working principle of the piezoelectric device in the electronic device disclosed in the embodiment of the application;
  • FIG. 11 is a schematic diagram of the polarization state of the piezoelectric device in the electronic device disclosed in the embodiment of the application.
  • 300-drive mechanism 310-piezoelectric device, 320-elastic layer, 330-wear-resistant layer,
  • 400-transmission mechanism 410-cam, 411-wheel body, 412-protruding part, 412a-guide surface, 413-rotating rod, 420-reset part, 430-elastic part, 440-connecting part, 450-positioning part, 451 -Locating hook, 452-blocking section, 460-pulley,
  • an electronic device which may be a smart phone, a tablet computer, an e-book reader, or a wearable device.
  • the electronic device includes a housing 100, a functional device 200, a driving mechanism 300 and a transmission mechanism 400.
  • the housing 100 is provided with an opening, and the functional device 200 is movably mounted on the housing 100.
  • the driving mechanism 300 is connected to the transmission mechanism 400, and the transmission mechanism 400 cooperates with the functional device 200 so that at least part of the functional device 200 can be removed from the opening.
  • the part extends out of the housing 100, and the functional device 200 is retracted into the housing 100 from the opening.
  • the functional device 200 may include at least one of a camera, a sensor, a receiver, and a fill light.
  • the driving mechanism 300 is installed in the housing 100, and the driving mechanism 300 includes a piezoelectric device 310, the piezoelectric device 310 is made of piezoelectric material, and the piezoelectric device 310 vibrates when energized.
  • the piezoelectric device 310 may have a ring structure, as shown in FIGS. 10 and 11, so that the piezoelectric device 310 includes two polarized phase regions A and B. The polarization of the A phase region and the B phase region The direction is opposite, E is the electric field direction, F is the polarization direction.
  • the piezoelectric device 310 can be connected to the power supply 700 in the electronic device through a wire.
  • the piezoelectric device 310 When the power supply 700 applies an electrical signal to the piezoelectric device 310, the piezoelectric device 310 will alternately stretch and deform, so that the piezoelectric device 310 can produce an annular shape.
  • the traveling wave rotating in the circumferential direction can cause any point on the surface of the piezoelectric device 310 to generate ultrasonic vibration according to an elliptical trajectory, so as to rub against the transmission mechanism 400 and cause the transmission mechanism 400 to rotate.
  • the piezoelectric device 310 does not generate electromagnetic interference during the working process, there is almost no noise during operation, and the user experience is good, and there is no need to equip the driving mechanism 300 with a deceleration mechanism, which makes the overall structure of the electronic device more streamlined.
  • the piezoelectric device 310 may be a piezoelectric ceramic formed of BaTiO3 (barium titanate), or may be PZT, that is, a binary system piezoelectric ceramic with a chemical formula of Pb(Zr11xTix)O3 to ensure the piezoelectric device 310 has good overall performance.
  • a ⁇ /4 unpolarized area can be sandwiched between the A-phase area and the B-phase area, and the unpolarized area can be used as a sensor for controlling the feedback signal of the power supply.
  • the other 3 ⁇ /4 wavelength area between the A-phase area and the B-phase area can be used as a common area.
  • the voltage and frequency of the piezoelectric device 310 can be determined according to actual conditions, and are not limited here.
  • the functional device 200 When the cam 410 is located in the first position, the functional device 200 is located in the housing 100. When the cam 410 is located in the second position, the cam 410 can drive at least part of the functional device 200 to extend out of the housing 100 from the opening. . It should be noted that when the protrusion 412 of the cam 410 is no longer in contact with the functional device 200, the functional device 200 can be retracted into the housing 100 in a manual push-back manner to contact the wheel body 411 of the cam 410. Contact each other.
  • the transmission mechanism 400 of the electronic device disclosed in the embodiment of the present application includes a cam 410.
  • the position of the cam 410 can be changed by means of a piezoelectric device 310.
  • the transmission mechanism 400 such as the cam 410 occupies a relatively small installation and working space, and has a simple and compact structure. The design is convenient, easy to manufacture, and high reliability.
  • the functional device 200 when the functional device 200 does not need to be used, by rotating the cam 410 to the first position, the functional device 200 can be retracted into the housing 100 to provide the functional device 200 with the help of the housing 100
  • the protective effect prevents the functional device 200 from being bumped and damaged; when the functional device 200 needs to be used, the piezoelectric device 310 can make the cam 410 rotate from the first position to the second position, and the cam 410 can drive at least part of the functional device 200 from the first position to the second position.
  • the opening of the housing 100 extends out of the housing 100 to ensure that the functional device 200 can work normally.
  • the functional device 200 is installed in the housing 100 instead of on the surface of the housing 100, the functional device 200 does not occupy the space for installing the display screen on the housing 100, thereby increasing the area occupied by the display screen.
  • the screen-to-body ratio of the electronic device is not occupy the space for installing the display screen on the housing 100, thereby increasing the area occupied by the display screen.
  • the transmission mechanism 400 may further include a resetting part 420, one end of the resetting part 420 may be connected to the functional device 200, and the other end of the resetting part 420 may be connected to the housing 100, and the telescopic direction of the resetting part 420
  • the included angle with the moving direction of the functional device 200 can be ⁇ , and 0° ⁇ 90°.
  • the return portion 420 when the cam 410 is in the second position, the return portion 420 is stretched or compressed to store elastic potential energy, so that once the cam 410 leaves the second position, the return portion 420 has a tendency to recover from deformation.
  • the elastic potential energy is released, and since the expansion and contraction direction of the reset portion 420 has a component in the moving direction of the functional device 200, the functional device 200 can be automatically retracted into the housing 100 under the action of the reset portion 420.
  • the reset part 420 may be a compression spring, one end of the compression spring may be fixed on the housing 100, and the other end of the compression spring may be fixed on the functional device 200.
  • the functional device 200 changes when moving relative to the housing 100. Therefore, by designing the installation position of the compression spring, when the cam 410 rotates to the second position, the compression spring can be in a compressed state or an extended state.
  • the end connected between the compression spring and the housing 100 and the end connected between the compression spring and the functional device 200 are arranged along the extension direction of the functional device 200, as the functional device 200 extends beyond the housing 100 As the external process progresses, the end of the compression spring connected to the functional device 200 moves away from the end of the compression spring connected to the housing 100, so that the compression spring is stretched, and then when the cam 410 rotates to the second position , Can make the compression spring in an extended state.
  • the expansion and contraction direction of the compression spring and the movement direction of the functional device 200 can be made parallel to each other. On the one hand, it can prevent the elastic action of the compression spring from adversely affecting other components. The speed and thoroughness of the automatic retraction of the functional device 200.
  • the compression spring may be installed between the functional device 200 and the cam 410, and when the cam 410 is rotated to the second position, the compression spring may be in a compressed state, which makes the installation in the electronic device The space can be better utilized.
  • the transmission mechanism 400 may further include a connecting portion 440, the functional device 200 may be connected to one end of the connecting portion 440, and the other end of the connecting portion 440 may be matched with the cam 410 to lower the cam 410 and the functional device by means of the connecting portion 440. Difficulty of coordination between 200.
  • the connecting portion 440 when the connecting portion 440 is provided, the size of the installation position of the cam 410 from the opening can be made relatively large to ensure that the protrusion 412 of the cam 410 has a certain distance from the edge of the housing 100 to prevent the cam 410 When the driving function device 200 is extended, the protrusion 412 of the cam 410 may be in contact with the edge of the housing 100.
  • the electronic device disclosed in the embodiment of the present application may further include a guide rail 510, the guide rail 510 is fixed on the housing 100, the connecting portion 440 and the guide rail 510 are movably matched in the moving direction, and the connecting portion 440 and the guide rail 510 are aligned along the moving direction.
  • Limiting fit in the direction perpendicular to the moving direction can limit the movement direction of the connecting portion 440 and prevent the cam 410 from driving the functional device 200 through the connecting portion 440, causing the functional device 200 to get stuck in the opening due to the deflection of the connecting portion 440. Can't move around.
  • the guide rail 510 may be a limiting structure corresponding to the structure of the connecting portion 440.
  • the connecting portion 440 may be a rectangular rod-shaped structure
  • the guide rail 510 may be a rectangular cylindrical structure
  • the connecting portion 440 is disposed in the guide rail 510.
  • the connecting portion 440 can only move along the moving direction of the functional device 200, and the guide rail 510 can also provide a certain guiding effect for the connecting portion 440 to a certain extent, so as to improve the movement stability of the connecting portion 440 and the functional device 200.
  • the guide rail 510 can also be other types of components. Considering the brevity of the text, it will not be listed here.
  • the cam 410 During the use of electronic equipment, if the functional device 200 is directly supported by the cam 410 to keep the functional device 200 in an extended state, the cam 410 will be subjected to large shearing forces for a long time and frequently, which will easily damage the cam 410.
  • the connection relationship with the piezoelectric device 310, and the actual position of the cam 410 is affected by the working state of the piezoelectric device 310. If the piezoelectric device 310 moves unexpectedly, it may cause the cam 410 to vibrate or rotate, thereby failing to function
  • the device 200 provides a stable supporting effect.
  • the transmission structure may further include a positioning portion 450, which may be hinged on the connecting portion 440, and the positioning portion 450 includes a positioning hook 451.
  • the positioning hook 451 is limited to the positioning groove 110.
  • a positioning groove 110 may be formed at a position corresponding to the positioning hook 451 of the housing 100, so that the positioning hook 451 is gradually approached to the positioning groove 110 when the cam 410 drives the connecting portion 440 to move.
  • the positioning hook 451 can extend into the positioning groove 110.
  • the functional device 200 cannot be automatically retracted into the housing 100 to ensure the function The device 200 can be stably in a state of protruding out of the housing 100.
  • the functional device 200 when the functional device 200 needs to be retracted into the housing 100, on the one hand, it is necessary to ensure that the cam 410 rotates to the first position, and on the other hand, it is necessary to disengage the positioning hook 451 from the positioning groove 110 to break the positioning hook 451.
  • the positioning hook 451 can be pulled out of the positioning groove 110 by pulling the positioning hook 451 by means of manual operation with the help of a corresponding connection structure.
  • the transmission mechanism 400 may further include an elastic portion 430, and one end of the elastic portion 430 may be connected to On the positioning hook 451, the other end of the elastic part 430 can be connected to the housing 100, and the angle between the expansion and contraction direction of the elastic member and the movement direction of the functional device 200 can be ⁇ , and 0° ⁇ 90° And, when the cam 410 is in the first position, the elastic part 430 can be in an extended state or a compressed state.
  • the elastic portion 430 when the cam 410 is in the first position, the elastic portion 430 stores elastic potential energy due to being stretched or compressed, so that once the cam 410 leaves the first position, the elastic portion 430 has a tendency to recover from deformation .
  • the expansion and contraction direction of the elastic part 430 has a component along the direction perpendicular to the moving direction of the functional device 200, no matter whether there are other influencing factors, as long as the positioning hook 451 moves to the position where the positioning groove 110 is located , Under the action of the elastic part 430, it can be ensured that the positioning hook 451 can form a reliable limit matching relationship with the positioning groove 110.
  • the expansion and contraction direction of the elastic portion 430 can be perpendicular to the movement direction of the functional device 200, which can also prevent occurrence of The phenomenon that the positioning hook 451 accidentally escapes from the positioning groove 110.
  • the elastic portion 430 may be a retractable spring, and the positioning hook 451 is disposed between the positioning hook 451 and the positioning groove 110 so that the space between the positioning hook 451 and the positioning groove 110 can be effectively used.
  • the positioning portion 450 may further include a blocking section 452 connected to the positioning hook 451, and the blocking section 452 is located on the side of the hinge point of the positioning portion 450 away from the positioning hook 451, on the cam
  • the cam 410 can contact the blocking section 452. Since the blocking section 452 and the positioning hook 451 are respectively located on opposite sides of the hinge point of the positioning portion 450, the cam 410 can be driven The positioning hook 451 is separated from the positioning groove 110 to ensure that the functional device 200 can be retracted into the housing 100. It should be noted that the relationship between the orientation of the positioning hook 451, the position of the blocking section 452, and the rotation direction of the cam 410 can be set correspondingly according to actual requirements.
  • the direction of the electric field may not be changed, so that the piezoelectric device 310 drives the cam 410 to always rotate in the same direction.
  • the cam 410 when the cam 410 rotates clockwise from the first position to the second position, the cam 410 can drive the functional device 200 to extend out of the housing 100; as shown in the figure, the cam 410 When the second position continues to rotate clockwise to the first position, the functional device 200 can be retracted into the housing 100.
  • a diagram The electronic device shown in 6 is taken as an example.
  • the functional device 200 is arranged above the cam 410, and the positioning hook 451 can be arranged to the right, so that when the cam 410 drives the connecting portion 440 to move upward, the positioning hook 451 can be formed with the positioning groove 110
  • the position-limiting matching relationship restricts the functional device 200 from retracting into the housing 100.
  • the blocking section 452 can be arranged on the right side of the positioning hook 451, that is, downstream of the positioning hook 451.
  • the cam 410 When the cam 410 rotates clockwise, the cam 410 first cooperates with the positioning hook 451, and when the cam 410 continues to rotate After a certain angle, the blocking section 452 can contact the cam 410. Since the blocking section 452 and the positioning hook 451 are located on opposite sides of the hinge point, when the cam 410 drives the blocking section 452 to rotate, the blocking section 452 moves upward and rightward. The positioning hook 451 moves to the lower left and can escape from the positioning slot 110, and then, under the action of the reset portion 420, the functional device 200 can be automatically retracted into the housing 100.
  • the cam 410 may also include a rotating rod 413, which is connected to the wheel body 411. During the rotation of the cam 410 from the second position to the first position, the rotating rod 413 and the blocking section 452 are brought into contact with each other. , To drive the positioning hook 451 out of the positioning slot 110.
  • the functions and functions of the components in the cam 410 are more single, so as to reduce the protrusion 412, the rotating rod 413 and the blocking section 452 in the process of structural design. Difficulty in designing such components.
  • the rotating rod 413 and the protrusion 412 can be arranged along the axial direction of the wheel body 411, and the blocking section 452 is located in the middle of the wheel body 411. The side where the rod 413 is located, so that the blocking section 452 and the protrusion 412 are located in different planes, to ensure that the protrusion 412 does not collide with the blocking section 452 during the rotation of the wheel body 411.
  • a preset clamp may be provided between the protrusion 412 and the rotating rod 413
  • the angle rotated by the protrusion 412 is brought closer to prevent the extended or retracted action of the functional device 200 from responding too slowly and improve user experience.
  • the protrusion 412 may be formed with a guide surface 412 a, and the position of the guide surface 412 a is related to the rotation direction of the cam 410. Specifically, when the cam 410 rotates from the first position to the second position, the surface on the protrusion 412 that contacts the functional device 200 is the guiding surface 412a. Under the action of the guiding surface 412a, the functional device 200 can be further improved. It is easy to move from the wheel body 411 of the cam 410 to the protrusion 412 of the cam 410, and the movement process of the functional device 200 can be made smoother and more stable. Specifically, as shown in FIG.
  • the guide portion may be an inclined plane, or the guide surface 412a may also be a smooth curved surface.
  • the functional device 200 is connected to one end of the connecting portion 440, when the cam 410 rotates from the first position to the second position, the contact with the guide surface 412a of the protruding portion 412 is the connecting portion 440 facing away from the functional device. The end of the 200.
  • the transmission structure may further include a pulley 460.
  • the pulley 460 is fixed on the end of the functional device 200 facing the cam 410 and makes the pulley 460 and the housing 100 move along.
  • the movement direction of the functional device 200 is movably connected.
  • the cam 410 can roll-fit with the pulley 460, which can reduce the rotation resistance of the cam 410, and when the protrusion 412 of the cam 410 rotates to where the pulley 460 is located
  • the pulley 460 can also provide a certain guiding effect for the rotation of the protrusion 412, so that it is easier for the protrusion 412 of the cam 410 to rotate between the pulley 460 and the wheel body 411 to drive the pulley 460 away from the wheel body 411.
  • the driving function device 200 extends out of the housing 100.
  • the driving mechanism 300 may further include a wear-resistant layer 330, and the wear-resistant layer 330 may be fixed on the side of the cam 410 facing the piezoelectric device 310, so that during the operation of the piezoelectric device 310, the wear-resistant layer 330 can be The contact of the piezoelectric device 310 can increase the service life of the transmission mechanism 400 and prevent the cam 410 from being damaged.
  • the wear-resistant layer 330 may be formed of carbon nanomaterials, and its thickness may be determined according to actual requirements.
  • the driving mechanism 300 may further include an elastic layer 320.
  • the elastic layer 320 is an elastic structural member, and the elastic layer 320 may be fixed on the side of the piezoelectric device 310 facing the cam 410 by means of bonding or the like.
  • the electrical device 310 can produce a larger amount of deformation during the working process, and under the effect of the larger amount of deformation, it can further ensure that the cam 410 can produce a rotation movement in a preset direction.
  • the elastic layer 320 may be a sheet-like structure formed of a metal copper material, so as to ensure that the elastic layer 320 has greater elasticity while also having a higher structural strength.
  • the piezoelectric device 310 can be arranged parallel to the dial to reduce the overall thickness of the electronic device.
  • an operating button 800 can be provided on the watch case, and the operating button 800 can be provided on the side of the watch case that is away from the opening.
  • the operation button 800 can be used to operate the electronic device accordingly.
  • the volume adjustment function of the electronic device can be completed by means of the operation button 800, and correspondingly, the function device 200 can also be driven to move by means of the operation button 800.
  • the electronic device disclosed in the embodiment of the present application may be a smart watch, and the housing 100 may be a watch case of a smart watch.
  • the smart watch further includes a watch band 600 connected to the watch case.
  • the watch case can be formed of metal or other materials, and it can have a square or round structure.
  • the watch strap 600 can be formed of plastic, fiber, or leather.
  • the watch strap 600 and the watch case can be connected to each other by a snap-fit connection through ears.
  • the watch strap 600 can be a segmented structure or an integral structure.
  • a preset included angle ⁇ between the watchband 600 and the opening of the housing 100 which can be 0° ⁇ 90°.
  • the functional device 200 can be prevented as far as possible from protruding from the housing 100 Time is hindered by the strap 600.

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
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Abstract

本申请公开一种电子设备，属于通信设备领域，电子设备包括设有开口的壳体、可移动地安装于壳体的功能器件、安装于壳体内的驱动机构和传动机构，驱动机构包括压电器件，压电器件在通电的情况下振动；传动机构包括凸轮，凸轮设置于功能器件的内侧，凸轮包括轮体和突出部，突出部设置于轮体的轮缘，轮体安装于压电器件，压电器件驱动凸轮在第一位置和第二位置之间转动；在凸轮位于第一位置的情况下，功能器件位于壳体内，在凸轮位于第二位置的情况下，突出部驱动至少部分功能器件自开口伸出至壳体之外。

Description

电子设备
交叉引用
本发明要求在2020年05月27日提交中国专利局、申请号为202010463367.2、发明名称为“电子设备”的中国专利申请的优先权，该申请的全部内容通过引用结合在本发明中。
技术领域
本申请涉及通信设备技术领域，尤其涉及一种电子设备。
背景技术
技术革新使电子设备的种类逐渐增多，其中，以智能手表为代表的可穿戴智能设备的发展过程极为迅速。智能手表上设置声学器件使智能手表具备通话功能，并且，有些智能手表还配设有摄像头，这使得智能手表具备视频通话的功能。目前的智能手表中，摄像头等功能器件通常固定于显示屏旁边，但是，这种布置方式会造成智能手表的屏占比相对较小，且如果智能手表发生磕碰，极容易造成功能器件损坏。
发明内容
本申请公开一种电子设备，以解决目前电子设备中，因功能器件位于显示屏旁边，造成电子设备的屏占比相对较低，且功能器件易因磕碰而损毁的问题。
为了解决上述问题，本申请采用下述技术方案：
一种电子设备，其包括：
壳体，所述壳体设有开口；
功能器件，所述功能器件可移动地安装于所述壳体；
驱动机构，所述驱动机构安装于所述壳体内，所述驱动机构包括压电器 件，所述压电器件在通电的情况下振动；
传动机构，所述传动机构包括凸轮，所述凸轮设置于所述功能器件的内侧，所述凸轮包括轮体和突出部，所述突出部设置于所述轮体的轮缘，所述轮体安装于所述压电器件，所述压电器件驱动所述凸轮在第一位置和第二位置之间转动；
在所述凸轮位于所述第一位置的情况下，所述功能器件位于所述壳体内，在所述凸轮位于所述第二位置的情况下，所述突出部驱动至少部分所述功能器件自所述开口伸出至所述壳体之外。
本申请采用的技术方案能够达到以下有益效果：
本申请公开一种电子设备，其包括壳体、功能器件、传动机构和驱动机构，驱动机构包括压电器件，压电器件在通电的情况下能够振动，从而通过传动机构驱动功能器件运动。压电器件的工作过程中不会产生电磁干扰，工作时几乎不存在噪音，用户体验较好，且无需为驱动机构配设减速机构，这使得电子设备的整体结构更加精简。传动机构包括凸轮，凸轮设置于功能器件的内侧，且凸轮安装在压电器件上，压电器件可以驱动凸轮转动，以改变凸轮的位置，这种传动机构占据的安装和工作空间相对较小，结构简单且紧凑，设计方便，易于制造，且可靠性较高。在电子设备的使用过程中，当不需要使用功能器件时，通过使凸轮转动至第一位置，能够使功能器件缩回至壳体中，以借助壳体为功能器件提供保护作用，防止功能器件发生磕碰而受损；当需要使用功能器件时，借助压电器件可以使凸轮自第一位置转动至第二位置，凸轮可以驱动至少部分功能器件自壳体的开口伸出至壳体之外，保证功能器件能够正常工作。并且，由于功能器件安装于壳体内，而不在壳体表面，从而功能器件不会占用壳体上用于安装显示屏的空间，从而可以扩大显示屏所占据的面积，提升电子设备的屏占比。
附图说明
此处所说明的附图用来提供对本申请的进一步理解，构成本申请的一部分，本申请的示意性实施例及其说明用于解释本申请，并不构成对本申请的不当限定。在附图中：
图1为本申请实施例公开的电子设备的结构示意图；
图2为图1示出的电子设备中部分结构的示意图；
图3为图2示出的结构在另一方向上的示意图；
图4为图1示出的电子设备中部件运动过程中的第一状态图；
图5为图1示出的电子设备中部件运动过程中的第二状态图；
图6为图1示出的电子设备中部件运动过程中的第三状态图；
图7为图1示出的电子设备中部件运动过程中的第四状态图；
图8为图1示出的电子设备中部件运动过程中的第五状态图；
图9为本申请实施例公开的电子设备中驱动机构的装配示意图；
图10为本申请实施例公开的电子设备中压电器件的工作原理示意图；
图11为本申请实施例公开的电子设备中压电器件的极化状态示意图。
附图标记说明：
100-壳体、110-定位槽、
200-功能器件、
300-驱动机构、310-压电器件、320-弹性层、330-耐磨层、
400-传动机构、410-凸轮、411-轮体、412-突出部、412a-导向面、413-转杆、420-复位部、430-弹性部、440-连接部、450-定位部、451-定位钩、452-阻挡段、460-滑轮、
510-导轨、
600-表带、
700-电源、
800-操作钮。
具体实施方式
为使本申请的目的、技术方案和优点更加清楚，下面将结合本申请具体实施例及相应的附图对本申请技术方案进行清楚、完整地描述。显然，所描述的实施例仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
以下结合附图，详细说明本申请各个实施例公开的技术方案。
如图1-图11所示，本申请实施例公开一种电子设备，其可以为智能手机、平板电脑、电子书阅读器或可穿戴设备。
其中，如图1所示，电子设备包括壳体100、功能器件200、驱动机构300和传动机构400。壳体100上设置有开口，且功能器件200可移动地安装在壳体100上，驱动机构300与传动机构400连接，传动机构400与功能器件200配合，以使至少部分功能器件200能够从开口处伸出至壳体100外，以及使功能器件200自开口处缩回至壳体100内。可选地，功能器件200可以包括摄像头、传感器、受话器和补光灯中的至少一者。
如图1-图3所示，驱动机构300安装在壳体100内，驱动机构300包括压电器件310，压电器件310采用压电材料制成，压电器件310在通电的情况下振动。可选地，压电器件310可以为环形结构，如图10和图11所示，使压电器件310包括被极化的A、B两个相区，A相区和B相区的极化方向相反，E为电场方向，F为极化方向。压电器件310可以通过导线与电子设备内的电源700连接，在电源700向压电器件310施加电信号时，压电器件310会产生交替地伸缩变形，从而使压电器件310能够产生沿环形周向旋转的行波，使压电器件310表面的任意一点均可以按照椭圆轨迹产生超声振动，从而与传动机构400摩擦，使传动机构400转动。
压电器件310的工作过程中不会产生电磁干扰，工作时几乎不存在噪音，用户体验较好，且无需为驱动机构300配设减速机构，这使得电子设备的整 体结构更加精简。可选地，压电器件310可以为采用BaTiO3(钛酸钡)形成的压电陶瓷，或者也可以为PZT，即化学式为Pb(Zr11xTix)O3的二元系压电陶瓷，以保证压电器件310具有较好的综合性能。
进一步地，如图11所示，A相区和B相区之间可以夹设有λ/4的未被极化的区域，且未被极化的区域可以用作控制电源反馈信号的传感器，而A相区和B相区之间另外3λ/4波长的区域则可以作为公共区。压电器件310的电压和频率可以根据实际情况确定，此处不作限定。
如图1-图3和图9所示，传动机构400包括凸轮410，凸轮410设置于功能器件200的内侧，且凸轮410安装于压电器件310，压电器件310驱动凸轮410在第一位置和第二位置之间转动，基于凸轮410自身的结构特征，通过将凸轮410安装在功能器件200的内侧，在凸轮410上与功能器件200接触的位置发生改变的情况下，凸轮410的旋转中心与功能器件200之间的间距也会发生变化。
如图1-图3所示，凸轮410可以包括轮体411和突出部412，突出部412连接在轮体411的轮缘，相较于轮体411与功能器件200接触的情况，突出部412与功能器件200接触时，可以使功能器件200与凸轮410的旋转中心之间的间距更大。因此，可以设定凸轮410的突出部412与功能器件200相互接触时凸轮410的位置为第二位置，凸轮410的轮体411与功能器件200相互接触时，凸轮410的位置为第一位置。在凸轮410位于第一位置的情况下，功能器件200位于壳体100内，在凸轮410位于第二位置的情况下，凸轮410可以驱动至少部分功能器件200自开口伸出至壳体100之外。需要说明的是，在凸轮410的突出部412不再与功能器件200接触的情况下，可以采用手动推回的方式使功能器件200缩回至壳体100内，以与凸轮410的轮体411相互接触。
本申请实施例公开的电子设备的传动机构400包括凸轮410，借助压电器件310可以改变凸轮410的位置，凸轮410这种传动机构400占据的安装 和工作空间相对较小，结构简单且紧凑，设计方便，易于制造，且可靠性较高。在电子设备的使用过程中，当不需要使用功能器件200时，通过使凸轮410转动至第一位置，能够使功能器件200缩回至壳体100中，以借助壳体100为功能器件200提供保护作用，防止功能器件200发生磕碰而受损；当需要使用功能器件200时，借助压电器件310可以使凸轮410自第一位置转动至第二位置，凸轮410可以驱动至少部分功能器件200自壳体100的开口伸出至壳体100之外，保证功能器件200能够正常工作。并且，由于功能器件200安装于壳体100内，而不在壳体100表面，从而功能器件200不会占用壳体100上用于安装显示屏的空间，从而可以扩大显示屏所占据的面积，提升电子设备的屏占比。
进一步地，如图3所示，传动机构400还可以包括复位部420，复位部420的一端可以与功能器件200连接，复位部420的另一端可以与壳体100连接，复位部420的伸缩方向与功能器件200的移动方向之间的夹角可以为β，且可以使0°≤β＜90°，在凸轮410位于第一位置的情况下，复位部420处于自然状态，在凸轮410位于第二位置的情况下，使复位部420处于压缩状态，或者，在凸轮410位于第二位置的情况下，使复位部420处于伸长状态。
采用上述结构时，当凸轮410位于第二位置时，复位部420因被拉伸或被压缩而储存有弹性势能，从而一旦凸轮410离开第二位置后，复位部420具有恢复形变的趋势，以释放弹性势能，且由于复位部420的伸缩方向具有在功能器件200的移动方向上的分量，从而在复位部420的作用下，可以使功能器件200自动缩回至壳体100内。
具体地，复位部420可以为压缩弹簧，压缩弹簧的一端可以固定在壳体100上，压缩弹簧的另一端可以固定在功能器件200上。在功能器件200相对壳体100移动的过程中，由于压缩弹簧与壳体100连接的端部的位置不会相对壳体100发生变化，而压缩弹簧与功能器件200连接的端部的位置会随 功能器件200相对壳体100运动而发生变化，因此，通过对压缩弹簧的安装位置进行设计，当凸轮410转动至第二位置时，能够使压缩弹簧处于压缩状态或伸长状态。
例如，在压缩弹簧和壳体100连接的端部与压缩弹簧和功能器件200连接的端部沿功能器件200的伸出方向排布的情况下，随着功能器件200伸出于壳体100之外的过程的进行，压缩弹簧与功能器件200连接的端部会向远离压缩弹簧与壳体100连接的端部的方向运动，从而使压缩弹簧被拉伸，进而在凸轮410转动至第二位置时，能够使压缩弹簧处于伸长状态。而在压缩弹簧与壳体100连接的端部与压缩弹簧与功能器件200连接的端部沿功能器件200的缩回方向排布的情况下，随着功能器件200伸出于壳体100之外的过程的进行，压缩弹簧与功能器件200连接的端部会向靠近压缩弹簧与壳体100连接的端部的方向运动，从而使压缩弹簧被压缩，进而在凸轮410转动至第二位置时，能够使压缩弹簧处于压缩状态。
更具体地，如图3所示，可以使压缩弹簧的伸缩方向与功能器件200的移动方向相互平行，一方面可以防止压缩弹簧的弹性作用对其他部件产生不利影响，另一方面，还可以提升功能器件200自动回缩的速度和彻底程度。可选地，如图3所示，压缩弹簧可以安装于功能器件200和凸轮410之间，且在凸轮410转动至第二位置时，可以使压缩弹簧处于压缩状态，这使得电子设备内的安装空间能够得到较好地利用。
进一步地，传动机构400还可以包括连接部440，功能器件200可以连接在连接部440的一端，且连接部440的另一端可以与凸轮410相互配合，以借助连接部440降低凸轮410和功能器件200之间配合难度。详细来说，在设置有连接部440的情况下，可以使凸轮410的安装位置距离开口的尺寸相对较大，以保证凸轮410的突出部412与壳体100的边缘具有一定的间距，防止凸轮410在驱动功能器件200伸出时，凸轮410的突出部412可能与壳体100的边缘接触。
具体地，连接部440可以为杆状连接结构，其可以通过粘接等方式与功能器件200固定连接，或者，还可以通过螺钉等连接件将功能器件200固定在连接部440的一端，连接部440的尺寸和形状可以根据实际情况确定。
可选地，本申请实施例公开的电子设备还可以包括导轨510，导轨510固定在壳体100上，通过使连接部440与导轨510沿移动方向活动配合，且使连接部440与导轨510沿垂直于移动方向的方向限位配合，可以限制连接部440的运动方向，防止凸轮410在通过连接部440驱动功能器件200的过程中，因连接部440出现偏斜导致功能器件200卡滞于开口处无法移动。
具体地，导轨510可以为与连接部440结构相对应的限位结构，例如，连接部440可以为矩形杆状结构，导轨510则可以为矩形筒状结构，连接部440设置于导轨510内，使连接部440仅可以沿功能器件200的移动方向移动，且导轨510还可以在一定程度上为连接部440提供一定的导向作用，提升连接部440和功能器件200的运动稳定性。当然，导轨510还可以为其他种类的部件，考虑文本简洁，此处不再一一列举。
在电子设备的使用过程中，如果直接借助凸轮410支撑功能器件200，使功能器件200保持伸出状态，会使凸轮410长时间多频次地受到较大的剪切作用力，这容易破坏凸轮410与压电器件310之间的连接关系，并且，凸轮410的实际位置受压电器件310的工作状态影响，如果压电器件310意外动作，则可能导致凸轮410发生震动或转动，从而无法为功能器件200提供稳定的支撑效果。
进一步地，传动结构还可以包括定位部450，定位部450可以铰接在连接部440上，定位部450包括定位钩451，在凸轮410位于第二位置的情况下，定位钩451与定位槽110限位配合，以限制功能器件200自开口缩回至壳体100内。采用上述结构时，当至少部分功能器件200伸出至壳体100外时，通过使定位钩451与定位槽110相互配合，可以保证功能器件200能够与壳体100形成稳定地相对固定关系，且可以在一定程度上提升凸轮410和 压电器件310的使用寿命。
具体地，如图3所示，可以在壳体100与定位钩451对应的位置处形成定位槽110，从而在凸轮410驱动连接部440移动的过程中，使定位钩451逐渐靠近定位槽110，当定位钩451到达定位槽110所在位置处时，定位钩451可以伸入至定位槽110内，即便凸轮410脱离第二位置之后，功能器件200也无法自动缩回至壳体100内，保证功能器件200能够稳定地处于伸出壳体100之外的状态。
相应地，当需要使功能器件200缩回至壳体100内时，一方面需要保证凸轮410转动至第一位置处，另一方面需要使定位钩451自定位槽110处脱离，打破定位钩451与定位槽110之间的限位配合关系。可选地，通过手动操作的方式，借助相应的连接结构，能够通过拉拽定位钩451的方式使定位钩451脱离定位槽110。
进一步地，为了使定位钩451能够更容易地与定位槽110形成限位配合关系，可选地，如图3所示，传动机构400还可以包括弹性部430，弹性部430的一端可以连接在定位钩451上，弹性部430的另一端可以连接在壳体100上，弹性件的伸缩方向与功能器件200的移动方向之间的夹角可以为γ，且可以使0°＜γ≤90°，并且，在凸轮410位于第一位置的情况下，可以使弹性部430处于伸长状态或压缩状态。
采用上述结构的情况下，当凸轮410位于第一位置时，弹性部430因被拉伸或被压缩而储存有弹性势能，从而一旦凸轮410离开第一位置后，弹性部430具有恢复形变的趋势，以释放弹性势能，由于弹性部430的伸缩方向具有沿垂直于功能器件200的移动方向的方向的分量，从而无论有无其他影响因素，只要定位钩451移动至定位槽110所在的位置处时，在弹性部430的作用下，均可以保证定位钩451能够与定位槽110形成可靠的限位配合关系。
可选地，如图3所示，在定位钩451与定位槽110限位配合的情况下， 可以使弹性部430的伸缩方向与功能器件200的移动方向垂直，这还可以最大限度地防止出现定位钩451意外脱离定位槽110的现象。弹性部430可以为伸缩弹簧，且定位钩451设置于定位钩451与定位槽110之间，以使定位钩451和定位槽110之间的空间得到有效地利用。
在本申请的另一个实施例中，定位部450还可以包括阻挡段452，阻挡段452与定位钩451连接，且阻挡段452位于定位部450的铰接点背离定位钩451的一侧，在凸轮410从第二位置转动至第一位置的过程中，凸轮410可以与阻挡段452接触，由于阻挡段452和定位钩451分别位于定位部450的铰接点的相背两侧，从而凸轮410能够驱动定位钩451脱离定位槽110，进而保证功能器件200能够缩回至壳体100内。需要说明的是，定位钩451的朝向、阻挡段452的所在位置以及凸轮410的转动方向之间的关系可以根据实际需求对应设定。
为了降低电子设备的设计难度和控制难度，在电子设备的工作过程中，可以不改变电场方向，从而使压电器件310驱动凸轮410始终沿同一方向转动。如图4-图8所示，在凸轮410自第一位置沿顺时针转动至第二位置时，凸轮410可以驱动功能器件200伸出至壳体100外；如图所示，在凸轮410自第二位置继续沿顺时针转动至第一位置时，则功能器件200能够缩回至壳体100内。
在凸轮410始终沿同一方向转动的情况下，更具体地，在凸轮410沿顺时针转动的情况下，为了更清楚地描述定位钩451、阻挡段452和凸轮410之间的相互关系，以图6示出的电子设备为例，功能器件200设置于凸轮410的上方，定位钩451可以朝右设置，从而在凸轮410驱动连接部440向上移动的过程中，定位钩451可以与定位槽110形成限位配合关系，从而限制功能器件200缩回至壳体100内。与此同时，阻挡段452可以设置在定位钩451的右侧，也即定位钩451的下游，当凸轮410沿顺时针转动的过程中，凸轮410先与定位钩451配合，当凸轮410继续转动一定角度之后，阻挡段452 才可以与凸轮410相互接触，由于阻挡段452与定位钩451位于铰接点的相背两侧，当凸轮410驱动阻挡段452转动时，阻挡段452向右上方运动，定位钩451向左下方运动，能够从定位槽110处脱出，而后，在复位部420的作用下，功能器件200可以自动缩回至壳体100内。
可选地，凸轮410还可以包括转杆413，转杆413连接在轮体411上，在凸轮410自第二位置向第一位置转动的过程中，通过使转杆413与阻挡段452相互接触，以驱动定位钩451脱离定位槽110。通过增加转杆413，且使转杆413与阻挡段452配合，使得凸轮410中各部件的功能和作用更加单一，以在结构设计的过程中，降低突出部412、转杆413和阻挡段452等部件的设计难度。
并且，为了防止突出部412转动过程中碰撞阻挡段452，可选地，可以使转杆413和突出部412沿所述轮体411的轴向排布，且使阻挡段452位于轮体411中转杆413所在的一侧，以使阻挡段452与突出部412位于不同的平面内，保证突出部412随轮体411转动的过程中不会碰撞阻挡段452。
在凸轮410始终沿同一方向转动的情况下，为了使功能器件200的伸出过程和缩回过程的响应速度相对接近，可选地，突出部412与转杆413之间可以设置有预设夹角，进而在功能器件200伸出和缩回的过程中，使突出部412转过的角度更加接近，防止出现功能器件200的伸出动作或缩回动作的响应速度过慢，提升用户体验。
进一步地，如图3所示，可以使突出部412形成有导向面412a，导向面412a所在的位置与凸轮410的转动方向有关。具体地，在凸轮410自第一位置转动至第二位置的过程中，突出部412上与功能器件200接触的表面即为导向面412a，在导向面412a的作用下，使得功能器件200能够更容易地自凸轮410的轮体411上移动至凸轮410的突出部412上，并且可以使功能器件200的移动过程更平滑和稳定。具体地，如图3所示，导向部可以为倾斜平面，或者，导向面412a也可以为平滑的曲面。当然，在功能器件200连接 于连接部440的一端时，在凸轮410自第一位置转动至第二位置的过程中，与突出部412的导向面412a相互接触的则为连接部440背离功能器件200的端部。
为了进一步保证凸轮410能够更为可靠地驱动功能器件200移动，可选地，传动结构还可以包括滑轮460，滑轮460固定在功能器件200朝向凸轮410的一端，且使滑轮460与壳体100沿功能器件200的移动方向活动连接，在凸轮410转动的过程中，凸轮410可以与滑轮460滚动配合，这可以降低凸轮410的转动阻力，并且，当凸轮410的突出部412转动至滑轮460所在的位置处时，滑轮460还可以为突出部412的转动提供一定的导向作用，从而更易于凸轮410的突出部412转动至滑轮460和轮体411之间，以驱动滑轮460向背离轮体411的方向移动，驱动功能器件200伸出至壳体100之外。
具体地，滑轮460的轮轴可以活动连接在壳体100上，且可以使功能器件200连接在滑轮460的轮轴上，可选地，功能器件200可以通过连接部440连接在滑轮460的轮轴上；另外，如图2所示，复位部420可以套设在连接部440上，从而使连接部440还可以为复位部420提供一定的导向作用，防止复位部420在被压缩的过程中发生弯折或变形，可选地，复位部420的一端可以固定在壳体100上，另一端可以固定在连接部440上。
进一步地，驱动机构300还可以包括耐磨层330，耐磨层330可以固定在凸轮410朝向压电器件310的一侧，从而在压电器件310的工作过程中，通过使耐磨层330与压电器件310接触，可以提升传动机构400的使用寿命，防止凸轮410损坏。可选地，耐磨层330可以采用碳纳米材料形成，其厚度可以根据实际需求确定。
可选地，驱动机构300还可以包括弹性层320，弹性层320为弹性结构件，且弹性层320可以采用粘接等方式固定在压电器件310朝向凸轮410的一侧，弹性层320在压电器件310工作的过程中可以产生较大的变形量，在更大的变形量的作用下，可以进一步保证凸轮410能够沿预设方向产生转动 动作。可选地，弹性层320可以为金属铜材料形成的片状结构，从而保证弹性层320具有较大弹性能力的同时，还具有较高的结构强度。在电子设备为智能手表的情况下，可以使压电器件310平行于表盘设置，以降低电子设备的整体厚度。另外，如图1所示，表壳上还可以设置有操作钮800，操作钮800可以设置在表壳中背离开口的一侧。在电子设备的使用过程中，可以借助操作钮800对电子设备进行相应地操作。例如，可以借助操作钮800完成电子设备的音量调节功能，相应地，也可以借助操作钮800驱动功能器件200移动。
可选地，本申请实施例公开的电子设备可以为智能手表，壳体100可以为智能手表的表壳，智能手表还包括表带600，表带600与表壳连接。表壳可以采用金属等材料形成，其可以为方形或圆形等结构。表带600可以采用塑胶、纤维或真皮等材料形成，表带600与表壳之间可以通过生耳形成卡拆卸连接关系，表带600可以为分段式结构，也可以为整体式结构。
进一步地，表带600与壳体100的开口之间具有预设夹角α，可以使0°＜α≤90°，在这种情况下，可以尽量防止功能器件200自壳体100内伸出时受表带600的阻碍。可选地，可以使表带600与开口之间的预设夹角α＝90°，这使得表带600与开口位于壳体100的不同侧，可以最大化地防止表带600的存在对功能器件200的伸缩过程产生阻碍。
本申请上文实施例中重点描述的是各个实施例之间的不同，各个实施例之间不同的优化特征只要不矛盾，均可以组合形成更优的实施例，考虑到行文简洁，在此则不再赘述。
以上所述仅为本申请的实施例而已，并不用于限制本申请。对于本领域技术人员来说，本申请可以有各种更改和变化。凡在本申请的精神和原理之内所作的任何修改、等同替换、改进等，均应包含在本申请的权利要求范围之内。

Claims (15)

  1. 一种电子设备，其中，包括：
    壳体(100)，所述壳体(100)设有开口；
    功能器件(200)，所述功能器件(200)可移动地安装于所述壳体(100)；
    驱动机构(300)，所述驱动机构(300)安装于所述壳体(100)内，所述驱动机构(300)包括压电器件(310)，所述压电器件(310)在通电的情况下振动；
    传动机构(400)，所述传动机构(400)包括凸轮(410)，所述凸轮(410)设置于所述功能器件(200)的内侧，所述凸轮(410)包括轮体(411)和突出部(412)，所述突出部(412)设置于所述轮体(411)的轮缘，所述轮体(411)安装于所述压电器件(310)，所述压电器件(310)驱动所述凸轮(410)在第一位置和第二位置之间转动；
    在所述凸轮(410)位于所述第一位置的情况下，所述功能器件(200)位于所述壳体(100)内，在所述凸轮(410)位于所述第二位置的情况下，所述突出部(412)驱动至少部分所述功能器件(200)自所述开口伸出至所述壳体(100)之外。
  2. 根据权利要求1所述的电子设备，其中，所述传动机构(400)还包括复位部(420)，所述复位部(420)的一端与所述功能器件(200)连接，所述复位部(420)的另一端与所述壳体(100)连接，所述复位部(420)的伸缩方向与所述功能器件(200)的移动方向之间的夹角为β，0°≤β＜90°，在所述凸轮(410)位于所述第一位置的情况下，所述复位部(420)处于自然状态，在所述凸轮(410)位于所述第二位置的情况下，所述复位部(420)处于压缩状态，或者，在所述凸轮(410)位于所述第二位置的情况下，所述复位部(420)处于伸长状态。
  3. 根据权利要求1所述的电子设备，其中，所述传动机构(400)还包括连接部(440)，所述功能组件连接于所述连接部(440)的一端，所述连接 部(440)的另一端与所述凸轮(410)配合。
  4. 根据权利要求3所述的电子设备，其中，所述壳体(100)设有定位槽(110)，所述传动机构(400)还包括定位部(450)，所述定位部(450)铰接于所述连接部(440)，所述定位部(450)包括定位钩(451)，在所述凸轮(410)位于所述第二位置的情况下，所述定位钩(451)与所述定位槽(110)限位配合，以限制所述功能器件(200)自所述开口缩回至所述壳体(100)内。
  5. 根据权利要求4所述的电子设备，其中，所述传动机构(400)还包括弹性部(430)，所述弹性部(430)的一端连接于所述定位钩(451)，所述弹性部(430)的另一端连接于所述壳体(100)，所述弹性件的伸缩方向与所述功能器件(200)的移动方向之间的夹角为γ，0°＜γ≤90°，且在所述凸轮(410)位于所述第一位置的情况下，所述弹性部(430)处于伸长状态或压缩状态。
  6. 根据权利要求4所述的电子设备，其中，所述定位部(450)还包括阻挡段(452)，所述阻挡段(452)与所述定位钩(451)连接，且所述阻挡段(452)位于所述定位部(450)的铰接点背离所述定位钩(451)的一侧，在所述凸轮(410)自所述第二位置向所述第一位置转动的过程中，所述凸轮(410)与所述阻挡段(452)接触，以驱动所述定位钩(451)脱离所述定位槽(110)。
  7. 根据权利要求6所述的电子设备，其中，所述凸轮(410)还包括转杆(413)，所述转杆(413)连接于所述轮体(411)，所述转杆(413)与所述突出部(412)沿所述轮体(411)的轴向排布，且所述阻挡段(452)位于所述轮体(411)中所述转杆(413)所在的一侧，在所述凸轮(410)自所述第二位置向所述第一位置转动的过程中，所述转杆(413)与所述阻挡段(452)相互接触，以驱动所述定位钩(451)脱离所述定位槽(110)。
  8. 根据权利要求3所述的电子设备，其中，还包括导轨(510)，所述导 轨(510)固定于所述壳体(100)，所述连接部(440)与所述导轨(510)沿所述移动方向活动配合，所述连接部(440)与所述导轨(510)沿垂直于所述移动方向的方向限位配合。
  9. 根据权利要求1所述的电子设备，其中，所述突出部(412)具有导向面(412a)，在所述凸轮(410)自所述第一位置向所述第二位置转动的过程中，所述突出部(412)上与所述功能器件(200)接触的表面为所述导向面(412a)。
  10. 根据权利要求1所述的电子设备，其中，所述传动机构(400)还包括滑轮(460)，所述滑轮(460)固定于所述功能器件(200)朝向所述凸轮(410)的一端，且所述滑轮(460)与所述壳体(100)沿所述功能器件(200)的移动方向活动连接，所述凸轮(410)与所述滑轮(460)滚动配合。
  11. 根据权利要求1所述的电子设备，其中，所述驱动机构(300)还包括耐磨层(330)，所述耐磨层(330)固定于所述凸轮(410)朝向所述压电器件(310)的一侧。
  12. 根据权利要求1所述的电子设备，其中，所述驱动机构(300)还包括弹性层(320)，所述弹性层(320)为弹性结构件，所述弹性层(320)固定于所述压电器件(310)朝向所述凸轮(410)的一侧。
  13. 根据权利要求1所述的电子设备，其中，所述电子设备为智能手表，所述壳体(100)为表壳，所述智能手表还包括表带(600)，所述表带(600)与所述表壳连接。
  14. 根据权利要求13所述的电子设备，其中，所述表带(600)与所述开口之间具有预设夹角α，0°＜α≤90°。
  15. 根据权利要求13所述的电子设备，其中，所述功能器件(200)包括摄像头、传感器、受话器和补光灯中的至少一者。
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