CN110086902A - The control method of terminal device and terminal device - Google Patents

The control method of terminal device and terminal device Download PDF

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Publication number
CN110086902A
CN110086902A CN201910263222.5A CN201910263222A CN110086902A CN 110086902 A CN110086902 A CN 110086902A CN 201910263222 A CN201910263222 A CN 201910263222A CN 110086902 A CN110086902 A CN 110086902A
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CN
China
Prior art keywords
driving mechanism
deformable body
terminal device
lead screw
driven member
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.)
Granted
Application number
CN201910263222.5A
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Chinese (zh)
Other versions
CN110086902B (en
Inventor
蔡程
李明
周伟杰
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Vivo Mobile Communication Hangzhou Co Ltd
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Vivo Mobile Communication Hangzhou 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.)
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Publication date
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Priority to CN201910263222.5A priority Critical patent/CN110086902B/en
Publication of CN110086902A publication Critical patent/CN110086902A/en
Priority to PCT/CN2020/082743 priority patent/WO2020200233A1/en
Application granted granted Critical
Publication of CN110086902B publication Critical patent/CN110086902B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/02Constructional features of telephone sets
    • H04M1/0202Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026Details of the structure or mounting of specific components
    • H04M1/0264Details of the structure or mounting of specific components for a camera module assembly
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50Constructional details
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50Constructional details
    • H04N23/51Housings
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/57Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)

Abstract

The present invention discloses a kind of terminal device, comprising: driven member;Shell;Driving mechanism, the driving mechanism is arranged within the shell, the driving mechanism includes power supply, ring piezoelectric component and deformable body, the power supply is electrically connected with the ring piezoelectric component, the deformable body is arranged on the ring piezoelectric component, the deformable body can be rotated with the deformation of the ring piezoelectric component, and the deformable body is connected with the driven member, to drive the driven member to move.Invention additionally discloses a kind of control methods of terminal device.The terminal device, which can solve driving mechanism, has that electromagnetic interference, noise are larger, structure is complex, precision is not high and volume is larger.

Description

The control method of terminal device and terminal device
Technical field
The present invention relates to the control methods of field of communication technology more particularly to a kind of terminal device and terminal device.
Background technique
Shooting function is one of basic function of terminal device, is completed by the camera of terminal device.It is taken the photograph to realize As the work of head in different directions, or realize switching of the camera between working condition and receiving state, it usually needs Cam movement is driven using driving mechanism.
Existing driving mechanism generally includes electromagnetic motor and transmission mechanism, and electromagnetic motor is realized by transmission mechanism With the transmission connection of camera, and then driving to camera is realized.Electromagnetic motor can generate noise in the process of work, Meanwhile the included coil of electromagnetic motor and magnetic field, it is easier to the influence by external magnetic field, and electromagnetic motor generates The components of magnetic field some pairs of electromagnetic susceptibilities also resulting in terminal device be affected.In addition, electromagnetic motor passes through deceleration Case realizes drive control, and entire driving mechanism structure is complicated, occupied space is larger, and precision is not high.
Summary of the invention
The present invention discloses a kind of terminal device, with solve existing driving mechanism there are electromagnetic interference, noise is larger, structure compared with For the problem complicated, precision is not high and volume is larger.
To solve the above-mentioned problems, the present invention adopts the following technical solutions:
A kind of terminal device, comprising:
Driven member;
Shell;
Driving mechanism, the driving mechanism are arranged within the shell, and the driving mechanism includes power supply, ring piezoelectric Component and deformable body, the power supply are electrically connected with the ring piezoelectric component, and the deformable body is arranged in the ring piezoelectric structure On part, the deformable body can rotate, the deformable body and the driven member phase with the deformation of the ring piezoelectric component Even, to drive the driven member to move.
Preferably, the shell offers through-hole, and the driving mechanism further includes lead screw and screw set, the screw set with The lead screw cooperation, the deformable body is connected by the lead screw and the screw set with the driven member, to drive Driven member is stated to stretch out or retract from the through-hole.
Preferably, the driving mechanism further includes wear plate, and the lead screw is connected with the surface of the side of the wear plate, The surface of the other side of the wear plate is contacted with the deformable body, and the lead screw is rotated with the wear plate.
Preferably, the roughness on the surface that the wear plate is contacted with the deformable body is greater than other tables of the wear plate The roughness in face.
Preferably, the lead screw is adhesively fixed on the wear plate.
Preferably, the lead screw is provided with limiting section, the lead screw be set on the limiting section and the wear plate it Between, the limiting section and screw set limit cooperate.
Preferably, the material of the wear plate is carbon nanomaterial.
Preferably, the wear plate, the deformable body and the ring piezoelectric component are in the ring piezoelectric component The outer profile of the projection in heart line direction is overlapped.
Preferably, the deformable body drives the driven member rotation.
Preferably, the shell offers through-hole, and the quantity of the driving mechanism is set as two, one of driving machine Structure is the first driving mechanism, another driving mechanism is the second driving mechanism, and first driving mechanism includes the power supply, institute State ring piezoelectric component and the deformable body, second driving mechanism includes the power supply, the ring piezoelectric component, described Deformable body, lead screw and screw set, the screw set and the lead screw cooperate, and the deformable body of second driving mechanism passes through described Lead screw and the screw set are connected with the ring piezoelectric component of first driving mechanism, the second driving mechanism driving For the driven member after through-hole stretching, first driving mechanism drives the driven member rotation.
Preferably, the deformable body is copper billet.
A kind of control method of terminal device, is applied to above-mentioned terminal device, and the control method includes:
Receive the first instruction;
It controls the power supply according to first instruction to power to the ring piezoelectric component, so that the driving mechanism is driven Move the driven member movement.
The technical solution adopted by the present invention can reach it is following the utility model has the advantages that
Terminal device disclosed by the invention rotates deformable body using the inverse piezoelectric effect of ring piezoelectric component, into And driven member is driven to move, and for the driving method described in the background technique, in the embodiment of the present invention, driving mechanism Without coil and magnet, therefore electric and magnetic fields influential on environment will not be generated, also just there is no electromagnetic interference, certainly also not It can be by the electromagnetic interference in ambient enviroment.It is driven using the inverse piezoelectric effect of piezoelectric material, ring piezoelectric component and deformation The ultrasonic vibration that body be can't hear in the mechanical oscillation that the course of work generates for human ear, therefore noise very little.It is provided by the invention The advantages of terminal device has driving mechanism precision higher, and structure is relatively simple, small volume.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes a part of the invention, this hair Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention, in which:
Fig. 1 is structure of the part-structure of terminal device disclosed by the embodiments of the present invention when camera is in contraction state Schematic diagram;
Fig. 2 is structure of the part-structure of terminal device disclosed by the embodiments of the present invention when camera is in extended state Schematic diagram;
Fig. 3 is the schematic diagram of the part-structure of terminal device disclosed in another embodiment of the present invention;
Fig. 4 is the schematic diagram of the part-structure of terminal device disclosed in further embodiment of this invention;
Fig. 5 is the flow diagram of the control method of terminal device disclosed by the embodiments of the present invention.
Description of symbols:
100- driven member, 200- shell, 210- frame, 211- through-hole, the inner cavity 220-, 300- driving mechanism, 300a- First driving mechanism, the second driving mechanism of 300b-, 310- power supply, 320- ring piezoelectric component, 330- deformable body, 340- lead screw, 350- screw set, 360- wear plate, 370- limiting section.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the specific embodiment of the invention and Technical solution of the present invention is clearly and completely described in corresponding attached drawing.Obviously, described embodiment is only the present invention one Section Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
Below in conjunction with attached drawing, technical solution disclosed in each embodiment that the present invention will be described in detail.
As depicted in figs. 1 and 2, the embodiment of the present invention discloses a kind of terminal device, which includes driven member 100, shell 200 and driving mechanism 300.Wherein, driven member 100 may include optical component, acoustic element, detecting means At least one of part, USB interface, optical component here specifically can be the portions such as camera, light compensating lamp, fingerprint recognition mould group Part, acoustical device can be the devices such as receiver.
Shell 200 is that driven member 100 and driving mechanism 300 provide installation foundation.
Driving mechanism 300 is arranged in shell 200, and driving mechanism 300 is connected with driven member 100, driving mechanism 300 Driven member 100 can be driven to move.In the present embodiment, driving mechanism 300 includes power supply 310,320 and of ring piezoelectric component Deformable body 330.
Ring piezoelectric component 320 is made out of a piezoelectric material, and ring piezoelectric component 320 is arranged in shell 200.Power supply 310 It is electrically connected with ring piezoelectric component 320, and then provides required voltage for the deformation of ring piezoelectric component 320.Power supply 310 can be with It is the circuit board in terminal device, is also possible to the battery of terminal device.
Deformable body 330 be arranged on ring piezoelectric component 320, deformable body 330 can with the deformation of ring piezoelectric component 320, Form the traveling wave circumferentially propagated along ring piezoelectric component 320.In the preferred scheme, deformable body 330 can be sticked in annular In piezoelectric member 320, and then it is easier to be influenced by ring piezoelectric component 320 and form traveling wave.
In the specific course of work, when power supply 310 applies electric signal to ring piezoelectric component 320, in piezoelectric material Under the action of inverse piezoelectric effect, alternately dilatation can occur for ring piezoelectric component 320, apply the frequency of setting in power supply 310 Under voltage conditions, influenced by ring piezoelectric component 320, deformable body 330 formed along ring piezoelectric component 320 circumferential direction (i.e. Circumferencial direction) propagate traveling wave so that 330 generating period of deformable body vibrate.As shown in figure 3, driven member 100 can It is rotatably arranged in shell 200, when the vibration of 330 generating period of deformable body, driven member 100 can be directly driven It is rotated in shell 200.It should be noted that driven member 100 can also be rotatablely arranged at outside shell 200, when When 330 generating period of deformable body vibrates, driven member 100 can be directly driven and rotated outside shell 200.
Terminal device disclosed by the embodiments of the present invention makes deformable body using the inverse piezoelectric effect of ring piezoelectric component 320 The vibration of 330 generating periods, and then driven member 100 is driven to move, for the driving method described in the background technique, In the embodiment of the present invention, driving mechanism 300 is not necessarily to coil and magnet, therefore will not generate electric field influential on environment and magnetic , just there is no electromagnetic interference yet, it certainly will not be by the electromagnetic interference in ambient enviroment.Utilize the inverse piezoelectric effect of piezoelectric material It is driven, ring piezoelectric component 320 and deformable body 330 surpass in the mechanical oscillation that the course of work generates for what human ear can't hear Acoustic vibration, therefore noise very little.The advantages of driving mechanism provided in this embodiment has structure relatively simple, small volume.
In addition, driven member 100 is driven to move by ultrasonic vibration that deformable body 330 generates during the work time, The amplitude of ultrasonic vibration is usually other in the micron-scale, in feeding back the control system to terminal device, the position of driven member 100 Resolution ratio is higher, can be realized the speed control and position control of degree of precision.It controls position due to can be realized degree of precision System, for middle motor usually controls mobile accuracy by retarder compared with the prior art, terminal disclosed by the embodiments of the present invention Equipment is also avoided that the noise generated using retarder, this can undoubtedly further decrease noise.
In the embodiment of the present invention, shell 200 can have through-hole 211, and the inner cavity 220 of the through-hole 211 and shell 200 connects Logical, which passes through for driven member 100, and then passes in and out shell 200.Under normal conditions, shell 200 includes frame 210, frame 210 offers through-hole 211.The shell 200 of different structure, the component for forming frame 210 are then different.For example, shell 200 may include front housing, rear cover and the center being arranged between, and frame 210 can take shape on center.Such situation Under, frame 210 can be used as a part of center.For another example shell 200 may include front cover and rear cover, frame 210 can be at Type covers after.Certainly, through-hole 211 can also take shape on other components of shell 200, and then realize disengaging shell 200, and It is not limited to the through-hole 211 being provided on frame 210.
In further embodiment, as depicted in figs. 1 and 2, in order to realize driven member 100 relative to shell 200 It extends and retracts, driving mechanism can also include lead screw 340 and screw set 350, and screw set 350 and lead screw 340 cooperate, deformable body 330 are connected by lead screw 340 and screw set 350 with driven member 100.Specifically, lead screw 340 is arranged on deformable body 330, Deformable body 330 with ring piezoelectric component deformation occurs when, between deformable body 330 and lead screw 340 generate friction, thus rubbing Realize lead screw 340 around the rotation of own axes under the action of power.Since screw set 350 and lead screw 340 cooperate, on 340 edge of lead screw During own axis, screw set 350 is moved along the axis direction of lead screw 340, and then driven member 100 is driven to move It is dynamic.For example, each amplitude of ring piezoelectric component 320 is 1 micron, dilatation 70,000 times per second or so, driven part is finally realized Part 100 completes several centimeters of movement, so as to meet the needs of driven member 100 is mobile.
Screw set 350 is connected with driven member 100, and the mobile drive driven member 100 of screw set 350 is from through-hole 211 stretch out or retract.In the present embodiment, the voltage direction of power supply 310 is variable, and then acts on ring piezoelectric component 320 Direction of an electric field changes, and under a direction of an electric field, the deformation of ring piezoelectric component 320 finally drives lead screw 340 to rotate, into And make screw set 350 that driven member 100 be driven to stretch out from through-hole 211;When direction of an electric field is opposite, ring piezoelectric component 320 deformation finally drives lead screw 340 to rotate, so that screw set 350 drives driven member 100 to retract from through-hole 211, To realize that driven member 100 is hidden in the inner cavity 220 of shell 200.
As shown in figure 4, the quantity of driving mechanism 300 can be set to two, one of driving machine in another embodiment Structure 300 is the first driving mechanism 300a, another driving mechanism 300 is the second driving mechanism 300b.First driving mechanism 300a Including previously described power supply 310, ring piezoelectric component 320 and deformable body 330;Second driving mechanism 300b includes described previously Power supply 310, ring piezoelectric component 320, deformable body 330, lead screw 340 and screw set 350.The change of second driving mechanism 300b Body 330 is connected by lead screw 340 and screw set 350 with the ring piezoelectric component 320 of the first driving mechanism 300a, and then can be with It drives annular piezoelectric member 320 mobile, driven member 100 is allowed to stretch out or retract from through-hole 211.Second driving machine Structure 300b drives driven member 100 after the stretching of through-hole 211, and the power supply 310 of the first driving mechanism 300a is powered, and then passes through Its ring piezoelectric component 320 and deformable body 330 drive driven member 100 to rotate, and allow driven member 100 in difference Side work up.For example, when driven member 100 includes camera, work of the camera in the first driving mechanism 300a The different working conditions such as preposition shooting, postposition shooting, pan-shot may be implemented under.
As described above, in the specific course of work, deformable body 330 forms the circumferential direction biography along ring piezoelectric component 320 The traveling wave broadcast generates opposite frictional movement between deformable body 330 and lead screw 340, so that lead screw 340 be driven to rotate.It is rubbing During, it be easy to cause lead screw 340 to generate biggish abrasion.Based on this technical problem, in the preferred scheme, the present invention Driving mechanism 300 disclosed in embodiment can also include wear plate 360, wherein the surface of the side of wear plate 360 and lead screw 340 are connected, and the surface of the other side of wear plate 360 is contacted with deformable body 330.In this case, lead screw 340 passes through wear plate 360 realizations are contacted with deformable body 330, and the friction between deformable body 330 and wear plate 360 can drive wear plate 360 to rotate, Lead screw 340 is connected with wear plate 360, therefore lead screw 340 can rotate under the drive of wear plate 360.Since wear plate 360 is resistance to It is higher to grind performance, therefore can be avoided lead screw 340 and be worn.It is of course also possible to lead screw 340 is contacted with deformable body 330 Position carries out Wear-resistant Treatment.In addition, it is wear-resisting that this also can be set when driving mechanism 300 does not include lead screw 340 and screw set 350 Piece 360, wear plate 360 can be set between driven member 100 and deformable body 330 at this time.
Wear plate 360 is made of wear-resistant material, and in a kind of specific embodiment, the material of wear plate 360 is received for carbon Rice material.
In order to improve drive efficiency, in the alternative, the surface that wear plate 360 is contacted with deformable body 330 it is coarse Degree, can be greater than the roughness of 360 other surfaces of wear plate, the roughness on the surface that wear plate 360 is contacted with deformable body 330 compared with Height is conducive to deformable body 330 in deformation process to the friction-driven of wear plate 360.Specifically, wear plate 360 and deformable body The structure of increasing friction force, such as the table that wear plate 360 is in contact with deformable body 330 can be set in 330 surfaces being in contact Protrusion can be distributed in face.
As described above, lead screw 340 is connected with wear plate 360, and wear plate 360 is able to drive the rotation of lead screw 340.Specifically Ground, lead screw 340 can be fixedly linked with wear plate 360.In a kind of specific embodiment, lead screw 340 is adhesively fixed on wear-resisting On piece 360, has many advantages, such as easy to operate, fixation by the way of bonding.Certainly, lead screw 340 can also be with wear plate 360 are fixedly linked by the realization of the other modes such as clamping structure, connector (being specifically as follows threaded connector).
Under normal conditions, lead screw 340 and the contact area of deformable body 330 are smaller, friction of the lead screw 340 by deformable body 330 Smaller, above-mentioned wear plate 360 is easier to be designed to biggish area, and then realizes and come into contact in a large area with deformable body 330, larger Contact area can undoubtedly pass through friction and realize bigger driving force.In more preferably scheme, wear plate 360, deformation Body 330 and ring piezoelectric component 320 are overlapped in the outer profile of the projection of the centerline direction of ring piezoelectric component 320, such feelings It is interior in a limited space under condition, it can largely increase the contact area of wear plate 360 Yu deformable body 330.
During driving, screw set 350 is moved along the axis direction of lead screw 340, and then drives driven member 100 is mobile, and in order to avoid screw set 350 is excessive mobile, in the preferred scheme, limiting section 370 has been can be set in lead screw 340, Screw set 350 can be set between limiting section 370 and wear plate 360.Limiting section 370 and the limit of screw set 350 cooperate, thus The excessive movement of screw set 350 can be limited.The structure of limiting section 370 can be to be a variety of, in a kind of specific embodiment, limit Position portion 370 is the limit film that 340 end of lead screw is arranged in, and limit film can not only play position-limiting action, and due to thinner thickness And the overall weight of driving mechanism 300 is made to be easier to control.Specifically, limiting section 370 can be fixed on lead screw 340.
In the embodiment of the present invention, deformable body 330 can deformation occurs under the action of ring piezoelectric component 320, deformable body 330 can be metal block, such as copper billet.
Ring piezoelectric component 320 is made out of a piezoelectric material, and specifically, ring piezoelectric component 320 can be by piezo-electric crystal, poly- The piezoelectric materials such as vinylidene, piezoceramic material are made.In the preferred scheme, ring piezoelectric component 320 is by piezoelectric ceramics Material is made, piezoceramic material intensity with higher and high temperature resistance.
Based on terminal device disclosed by the embodiments of the present invention, set as shown in figure 5, a kind of terminal is also disclosed in the embodiment of the present invention Standby control method, disclosed control method are applied to terminal device described in foregoing embodiments.Disclosed control method The following steps are included:
S101, the first instruction is received.
S102, the voltage direction that ring piezoelectric component 320 is applied to according to the first instruction control power supply 310, so that driving Mechanism 300 drives driven member 100 to move.
In step S102, voltage direction is different, and power supply 310 is applied to the direction of an electric field on ring piezoelectric component 320 then not Together, during control, power supply 310 can control direction of an electric field to control the direction of motion of driven member 100.
Terminal device disclosed by the embodiments of the present invention can be smart phone, tablet computer, E-book reader, wearable The electronic equipments such as equipment (such as smartwatch), game machine, the embodiment of the present invention do not limit the specific type of terminal device.
Emphasis describes the difference between each embodiment, difference between each embodiment in foregoing embodiments of the present invention As long as optimization feature non-contradiction, can combine to form more preferably embodiment, it is contemplated that style of writing is succinct, then no longer superfluous at this It states.
The above description is only an embodiment of the present invention, is not intended to restrict the invention.For those skilled in the art For, the invention may be variously modified and varied.All any modifications made within the spirit and principles of the present invention are equal Replacement, improvement etc., should be included within scope of the presently claimed invention.

Claims (12)

1. a kind of terminal device characterized by comprising
Driven member;
Shell;
Driving mechanism, the driving mechanism are arranged within the shell, and the driving mechanism includes power supply, ring piezoelectric component And deformable body, the power supply are electrically connected with the ring piezoelectric component, the deformable body is arranged on the ring piezoelectric component, The deformable body can be rotated with the deformation of the ring piezoelectric component, and the deformable body is connected with the driven member, with The driven member is driven to move.
2. terminal device according to claim 1, which is characterized in that the shell offers through-hole, the driving mechanism It further include lead screw and screw set, the screw set and the lead screw cooperate, and the deformable body passes through the lead screw and the lead screw Set is connected with the driven member, to drive the driven member to stretch out or retract from the through-hole.
3. terminal device according to claim 2, which is characterized in that the driving mechanism further includes wear plate, the silk Thick stick is connected with the surface of the side of the wear plate, and the surface of the other side of the wear plate is contacted with the deformable body, described Lead screw is rotated with the wear plate.
4. terminal device according to claim 3, which is characterized in that the surface that the wear plate is contacted with the deformable body Roughness be greater than the wear plate other surfaces roughness.
5. terminal device according to claim 3, which is characterized in that the lead screw is adhesively fixed on the wear plate.
6. terminal device according to claim 3, which is characterized in that the lead screw is provided with limiting section, the screw set It is arranged between the limiting section and the wear plate, the limiting section and screw set limit cooperate.
7. terminal device according to claim 3, which is characterized in that the material of the wear plate is carbon nanomaterial.
8. terminal device according to claim 3, which is characterized in that the wear plate, the deformable body and the annular Piezoelectric member is overlapped in the outer profile of the projection of the centerline direction of the ring piezoelectric component.
9. terminal device according to claim 1, which is characterized in that the deformable body drives the driven member to turn It is dynamic.
10. terminal device according to claim 1, which is characterized in that the shell offers through-hole, the driving mechanism Quantity be set as two, one of driving mechanism is the first driving mechanism, another driving mechanism is the second driving mechanism, First driving mechanism includes the power supply, the ring piezoelectric component and the deformable body, the second driving mechanism packet The power supply, the ring piezoelectric component, the deformable body, lead screw and screw set are included, the screw set and the lead screw cooperate, The annular that the deformable body of second driving mechanism passes through the lead screw and the screw set and first driving mechanism Piezoelectric member is connected, and second driving mechanism drives the driven member after through-hole stretching, first driving Mechanism drives the driven member rotation.
11. terminal device according to claim 1, which is characterized in that the deformable body is copper billet.
12. a kind of control method of terminal device, which is characterized in that be applied to terminal of any of claims 1-11 Equipment, the control method include:
Receive the first instruction;
It controls the power supply according to first instruction to power to the ring piezoelectric component, so that the driving mechanism drives institute State driven member movement.
CN201910263222.5A 2019-04-02 2019-04-02 Terminal device and control method of terminal device Active CN110086902B (en)

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PCT/CN2020/082743 WO2020200233A1 (en) 2019-04-02 2020-04-01 Terminal device and terminal device control method

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