CN208521966U - The piezoelectric element shaking device of real-time vibration feedback is provided - Google Patents
The piezoelectric element shaking device of real-time vibration feedback is provided Download PDFInfo
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- CN208521966U CN208521966U CN201690000452.2U CN201690000452U CN208521966U CN 208521966 U CN208521966 U CN 208521966U CN 201690000452 U CN201690000452 U CN 201690000452U CN 208521966 U CN208521966 U CN 208521966U
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- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The utility model relates to provide the piezoelectric element shaking device of real-time vibration feedback, in the electrode base board (4) for being provided with conductive material, and it is disposed with the piezoelectric shock body (2 of piezoelectric element layer (6), 2a, apply driving voltage on 2b), to constitute the piezoelectric element shaking device for generating vibration, the insulating component (10) for preventing the driving voltage applied leakage is formed on the piezoelectric element layer (6), constitute includes for adhering to setting piezoelectric shock body (2, 2a, the piezoelectric element shaking device of diversified forms 2b), setting can simply be adhered to when piezoelectric element shaking device is arranged, so as to simplify assembly process, the thickness of piezoelectric element shaking device is thinning, thus settable at an arbitrary position, and increase shock momentum while minimizing size, reduce vibrating noise , and have the effect of that the piezoelectric shock body (2,2a, 2b) because of fall impacting can be prevented damaged.
Description
Technical field
The utility model relates to shaking devices, particularly, are related to generating the offer real-time vibration of vibration by piezoelectric effect
The piezoelectric element shaking device of feedback.
Background technique
Recently, with the development of the realization technology of virtual reality, it is more specific that user is expected that by virtual reality acquisition
And realistic information.One in technology developed to meet this expectation is to be transmitted by vibration to user
Tactile (Haptic) technology of tactile.What simple haptic technology can illustrate has the utilization vibration for being now widely used for mobile phone
In addition to this prompting function of motor is also widely used in the multiple fields such as medical simulation machine or game machine.
Particularly, prospect from now on is the output device as computing device, haptic device also with display, loudspeaker one
It is same to be initially installed.This is because it has the advantage that by the way that haptic device is arranged in portable electronic device, use
The tactile recognition rate of person is high, and the gearing between information technoloy equipment is excellent.
The vibration motor of mobile terminal is as the tool for applying haptic technology in the portable electronic devices such as such as smart phone
Body example adds vibration on the sound and image exported in previous mobile terminal, to provide three-dimensional sense experience.
Previous haptic technology designs waveform and generates after digital waveform (predominantly to generate required effect
PWM, sine wave (sine wave)), be stored in storage device, due to transfer in case of need the simple wave form of storage into
It exercises and uses, therefore presence cannot be transmitted.
As an example of the vibration motor for being set to mobile terminal, by the patent the of present applicant registration
" the linear vibration motor of microminiature " is disclosed in No. 10-793682.
But above-mentioned mobile terminal with vibration motor there are the following problems: it is narrow when shaking device is set to installation space
When in small mobile terminal, determine to shake generate position when with arrangement component in terms of difficulty, and in linear motor
In the case of, it needs to transfer the waveform of storage and is driven with frequency, therefore realize that circuit is complicated.
In addition, there is a problem in that: since it utilizes the gravitation and repulsion of coil and magnet, shake the response speed of motor
Degree (response time) is slow and cannot ensure to feel immediately, and according to the miniaturization of size, shock momentum is faint.
Utility model content
Therefore, the purpose of the utility model is to provide one kind is free to arrange when piezoelectric element shaking device is arranged
Installation space and the setting piezoelectric element shaking device that readily extra-thin offer real-time vibration is fed back.
In addition, another purpose of the utility model is to provide a kind of the same of the shock momentum of increase piezoelectric element shaking device
When, the noise because of vibration is reduced, and the damaged piezoelectric element shaking device because of fall impacting can be prevented.
In the utility model in order to achieve the above object, in the electrode base board (4) for being provided with conductive material
And be disposed on the piezoelectric shock body (2,2a, 2b) of piezoelectric element layer (6) and apply driving voltage, to constitute the piezoelectricity for generating vibration
Element shaking device is formed with the insulating component for preventing the driving voltage applied leakage on the piezoelectric element layer (6)
(10), the lower part of the piezoelectric shock body (2,2a, 2b) is provided with leg (8), which prolongs from the electrode base board (4)
It stretches to be formed, the piezoelectric shock body (2,2a, 2b) is arranged for adhering to.
In addition, in the electrode base board (4) for being provided with conductive material and being disposed with piezoelectricity member in the utility model
Apply driving voltage on the piezoelectric shock body (2,2a, 2b) of part layer (6), to constitute the piezoelectric element shaking device for generating vibration,
The insulating component (10) for preventing the driving voltage applied leakage, the electrode base are formed on the piezoelectric element layer (6)
The lower part of plate (4) is provided with for adhering to the fixation shell by insulation processing that the piezoelectric shock body (2,2a, 2b) is arranged
(18)。
In addition, in the electrode base board (4) for being provided with conductive material and being disposed with piezoelectricity member in the utility model
Apply driving voltage on the piezoelectric shock body (2,2a, 2b) of part layer (6), to constitute the piezoelectric element shaking device for generating vibration,
The insulating component (10) for preventing the driving voltage applied leakage is formed on the piezoelectric element layer (6), in the piezoelectricity
The both ends of vibration body (2,2a, 2b) are inserted with for adhering to the bracket (22) that the piezoelectric shock body (2,2a, 2b) is arranged.
In addition, in the electrode base board (4) for being provided with conductive material and being disposed with piezoelectricity member in the utility model
Apply driving voltage on the piezoelectric shock body (2,2a, 2b) of part layer (6), to constitute the piezoelectric element shaking device for generating vibration,
The insulating component (10) for preventing the driving voltage applied leakage is formed on the piezoelectric element layer (6), in the electrode
The both ends of substrate (4) are provided with the elastic component (32) of the vibration efficiency for improving the piezoelectric shock body (2,2a, 2b), institute
The lower part for stating elastic component (32) is provided with for adhering to the lower panel (36) that the piezoelectric shock body (2,2a, 2b) is arranged.
In addition, in the electrode base board (4) for being provided with conductive material and being disposed with piezoelectricity member in the utility model
Apply driving voltage on the piezoelectric shock body (2,2a, 2b) of part layer (6), to constitute the piezoelectric element shaking device for generating vibration,
Be formed on the piezoelectric element layer (6) for prevent apply driving voltage leakage insulating component (10), and constitute have it is soft
The shell (38) of matter, the shell (38) are formed to surround the piezoelectric shock body (2,2a, 2b), and for increasing vibration
Amount reduces vibrating noise, and the piezoelectric shock body (2,2a, 2b) is arranged for adhering to.
The effect of the utility model is: when piezoelectric element shaking device is set in mobile terminal, can simply adhere to
Setting, to simplify setting process, since the thickness of piezoelectric element shaking device is thinning, so as to any in mobile terminal
It is configured on position, and can will be provided to user by the haptic signal of quick vibration responding.
In addition, the piezoelectric element shaking device of the utility model, which has the effect that, to make the same of size minimum
When, increase shock momentum, reduces vibrating noise, and the breakage of the piezoelectric shock body because of fall impacting can be prevented.
Detailed description of the invention
Fig. 1 is the piezoelectric element shaking device for providing real-time vibration and feeding back of preferred embodiment according to the present utility model
Three-dimensional structure diagram；
Fig. 2 is the setting cross-sectional view of the single wafer type piezoelectric element shaking device of embodiment according to the present utility model；
Fig. 3 is the usage state diagram of Fig. 2；
Fig. 4 is the structure of the twin lamella type piezoelectric element shaking device of another embodiment according to the present utility model
Figure；
Fig. 5 to Fig. 6 b is the structure of the multi-wafer type piezoelectric element shaking device of the other embodiment of the utility model
Figure；
Fig. 7 to Figure 26 is the setting structure figure of the piezoelectric shock body of multiple embodiments according to the present utility model.
Specific embodiment
Hereinafter, will be explained in preferred embodiments of the present invention referring to attached drawing.
The piezoelectric element shaking device of the offer real-time vibration feedback of the utility model is to utilize inverse piezoelectric effect
(Reverse Piezoelectric effect) generates the vibration component of vibration.
Piezoelectric effect be by the flexible moment of applied force on the dielectric generate voltage the phenomenon that, in contrast,
Flexible property is known as inverse piezoelectric effect when applying voltage on dielectric.Having for some examples as piezoelectric effect is caught fire with pressure
Electric device (Electric spark ignitor, ignition type gas stove), pressure sensor, acceleration transducer etc., as some of inverse piezoelectric effect
Example has actuator, piezo-electric motor etc..
The shaking device of the utility model precisely utilizes inverse piezoelectric effect and the vibration component realized, uses piezoresistive material
Material forms piezoelectric element layer, and applies voltage and generate vibration by expansion performance.Representative example as this piezoelectric material
PZT (Pb (Ti, the Zr) O having as composite ceramics3), as the barium titanate (BaTiO for luring electric body by force3) etc., utilize these formation
Piezoelectric ceramics.
Single wafer type (unimorph), twin lamella type are broadly divided into according to form using the shaking device of piezoelectric effect
(bimorph), multi-wafer type (multimorph) etc., twin lamella type are divided into tandem type (serial), parallel connection according to polarization direction
Type (parallel).
It is disclosed in the utility model for shaking the piezoelectricity of the variforms such as single wafer type, twin lamella type, multi-wafer type
Kinetoplast is set to the structure of the shell in mobile terminal.
The mobile terminal can be portable terminal (for example, smart phone) with call function, medical instrument, flat
Plate computer, game machine, Vibration mouse, vibration remote controler, vibration keyboard, portable terminal protective shell etc., may include being used for
The electronic equipment of vibrational feedback is provided to user.
The knot of the single wafer type piezoelectric element shaking device of an embodiment according to the present utility model is shown in Fig. 1
Structure.Ginseng as such, the utility model by the electrode base board (Substrate) 4 of the material of setting good conductivity, and in upper end cloth
Piezoelectric element layer 6 is set, to form piezoelectric shock body 2.
The upper end electrode of the piezoelectric element layer 6 of the piezoelectric shock body 2 of embodiment according to the present utility model and lower end electricity
Extremely above alternately apply (+, -) voltage, piezoelectric shock body 2 generates buckling phenomenon due to expansion and shrinkage phenomenon, according to application
The frequency of driving voltage generates vibration.Alternately apply (+, -) voltage respectively according in the top and bottom of piezoelectric element layer 6, with pressure
Voltage is also applied on the electrode base board 4 of the bottom surface bonding of electric device layer 6.
In the utility model, in order to keep the integral thickness of piezoelectric shock body 2 thinning, using flexible printed circuit board (FPCB,
Flexible PCB) in the upper end electrode of electrode base board 4 and piezoelectric element layer 6 apply voltage respectively.It as needed, can also be with
Apply voltage using electric wire.
Fig. 2 is the setting cross-sectional view of the piezoelectric shock body 2 of embodiment according to the present utility model, and Fig. 3 is to shake piezoelectricity
Kinetoplast 2 is set to the usage state diagram in mobile terminal.It is attached with insulating component 10 on the top of piezoelectric element layer 6, insulate structure
Part 10 is for preventing the driving voltage being applied to mobile terminal internal leakage.Insulating component 10 can adhere to insulating film or shape
At the insulating film using epoxy resin, polyurethane etc..
In addition, foam (Poron) adhesive tape can also be had by being provided with the top of the piezoelectric element layer 6 of insulating component 10, it should
Foam tape is for absorbing the noise generated from piezoelectric shock body 2 while insulation.
Foam tape is the slim adhesive tape of polyurethane foam with high-density cellular structure, while there is insulation effect,
With noise absorption effect, so as to reduce the vibrating noise of piezoelectric shock body 2, and external impact is absorbed and having prevents
The effect that piezoelectric shock body 2 damages.
The electrode base board 4 of the utility model can be closed using brass (Brass), stainless steel (Stainless steel), nickel
The materials such as golden (Ni-alloy), aluminium, are attached with multiple weight pieces 12, the weight on the predeterminated position of the lower end of electrode base board 4
Piece 12 is used to increase the vibration for applying voltage and generating.Self vibration is generated by the bending displacement up and down of piezoelectric shock body 2,
But the shock momentum for being transferred to mobile terminal is faint, therefore can adhere to the weight with constant weight on piezoelectric element layer 6
Piece 12 increases the vibration of generation.
In the utility model, the shell 16 piezoelectric shock body 2 being attached to inside mobile terminal is provided with leg
8, which is that electrode base board 4 is extended and is formed by bending.As shown in Fig. 2, lateral direction of the leg 8 to piezoelectric shock body 2
It is formed, when being set to the place such as the narrow space inside mobile terminal, as shown in fig. 6, leg 8 can also be to piezoelectric shock
The inside of body 2 extends to form, to reduce installation space.Leg 8 is adhered to mobile terminal using bonding agent or double-sided adhesive
Interior shell 16 is attached by welding in the shell 16 in vibration mobile terminal certainly, to fix piezoelectric shock body 2.
It is alternately applied (+, -) voltage on electrode base board 4, is applied to electric current on electrode base board 4 in order to prevent to shifting
Shell 16 in dynamic terminal leaks, it is preferable that the leg 8 extended to form is by coating silica gel or polyurethane, epoxy resin, gathering
The synthetic resin materials such as ester, acrylic resin and form insulating film, can insulate.
In addition, also coat is formed by soft synthetic resin or synthetic rubber on the surface of piezoelectric element layer 6, with energy
It is enough to cut down the noise sound generated when vibration, additionally it is possible to facilitate insulation effect.It is soft to can be used as having for the example of coat
Matter epoxy resin, flexibel polyurethane, silica gel etc..
The single wafer type piezoelectric element shaking device of an embodiment of the utility model is disclosed in above description, but
Electrode base board 4 can also be placed in centre and in the twin crystal chip-type piezoelectric member of both ends arrangement piezoelectric element layer 6 with as shown in Figure 4
The multi-wafer type of multiple piezoelectric element layers 6 is laminated in the upper end of electrode base board 4 in part shaking device, and utilization as shown in Figure 5
Piezoelectric element shaking device forms piezoelectric shock body 2a, 2b, and is set in mobile terminal.
Fig. 6 a and Fig. 6 b are the another embodiments for piezoelectric shock body 2b to be arranged, when with multi-wafer type piezoelectric element
When shaking device forms piezoelectric shock body 2b, bracket 22 can also be formed at the both ends of piezoelectric shock body 2b, which is used for
Piezoelectric shock body 2b is adhered to the shell 16 being set in mobile terminal.
The bracket 22 is inserted into the both ends for being incorporated into electrode base board 4, and the bracket 22 at both ends is attached directly to shell 16
Inner surface and fix piezoelectric shock body 2b.
At this point, as shown in Figure 6 b, can also adhere on the outer surface of piezoelectric shock body 2b and form protective glue band 24.It protects
Retaining tape 24 can surround attachment piezoelectric shock body 2b one side or two sides, can prevent because piezoelectric shock body 2b vibration or
The breakage of the piezoelectric element layer 6 for falling and impacting etc. of person's mobile terminal simultaneously prevents while falling off of weight piece 12, has exhausted
Edge effect.
Adhere to after protective glue band 24, after the insertion of bracket 22 is set to the both ends of piezoelectric shock body 2b, can incite somebody to action
Bracket 22 is set to the inside of mobile terminal.
The protective glue band 24 also can be attached in the case where piezoelectric element layer 6 is formed as single wafer type, twin lamella type
, the preferably form attachment to surround piezoelectric shock body 2,2a, 2b entirety.
As shown in figures 6 a and 6b, if piezoelectric element layer 6 is formed as multi-wafer type, the size of piezoelectric shock body 2b
It can become smaller and thickness can be thinning, as a result, when being attached to such as the narrow place of the installation space of mobile terminal, can reduce
According to the limitation in the space of setting position, so as to be attached to multiple positions.
The above is to form bracket 22 to adhere to setting multi-wafer type piezoelectric shock body 2b, but in single wafer type pressure
It can also be inserted at both ends in conjunction with bracket 22 in the case where electroshock kinetoplast 2, twin lamella type piezoelectric shock body 2a and adhere to setting pressure
Electroshock kinetoplast 2,2a, thus fixed piezoelectric shock body 2,2a.
Deforming various informatively by electrode base board 4 according to the present utility model is shown in Fig. 7 and Fig. 8, thus will pressure
Electroshock kinetoplast 2 is set to the structure of the shell 16 in mobile terminal.
In piezoelectric shock body 2 shown in Fig. 7, by the both ends of electrode base board 4 to the inside of piezoelectric shock body 2 extend and it is curved
It is curved at the leg 8 of formation being attached to shell 16, thus fixed piezoelectric shock body 2.By making leg 8 to piezoelectric shock body
2 inside is bent to form, and when piezoelectric shock body 2 is attached to the shell 16 in mobile terminal, shared installation space is small, energy
Enough effectively utilize space.
The setting structure of the piezoelectric shock body 2 of another embodiment according to the present utility model is shown in Fig. 8, it will be electric
Electrode substrate 4 is formed as chest shape, and piezoelectric shock body 2 is attached to the shell 16 in mobile terminal.By connecting from electrode base
The leg 8 at the both ends that plate 4 extends to form, so that the lower section of piezoelectric shock body 2 is integrally attached to shell 16, therefore by leg 8 with
The area that shell 16 adheres to increases, and can adhere to fixed piezoelectric shock body 2 strongerly.
The variant embodiment of the utility model is shown in Fig. 9 and Figure 10, is generally disposed at the electronics such as mobile terminal
The size of the piezoelectric shock body 2 of equipment is very small, the electrode base board 4 of especially the utility model be formed as it is small-sized and with a thickness of
The thin film-type of 0.1~0.3T or so.Electrode base board 4 is formed as thin form of film, thus can exist when taking fold or
The danger of person's deformation, by leg 8 that the electrode base board 4 that attachment extends this film is formed by bending by piezoelectric shock body 2
When being set to shell 16, leg section cannot withstand forces and cannot execute the function for fixing piezoelectric shock body 2 well.
The utility model is provided with supporting member 14, which is formed in electrode base board 4 for being firmly supported
Both ends leg 8.Supporting member 14 is to form the two sides of leg 8 with " Kan " shape sigmoid, by setting in leg 8
Supporting member 14 is set, when the shell 16 being attached to piezoelectric shock body 2 in mobile terminal generates vibration, piezoelectric shock body 2
Both ends be firmly fixed, take in assembling procedure piezoelectric shock body 2 when, the electrode base board 4 of form of film is not easy fold
Or deformation.
When the piezoelectric shock body 2 of the utility model generates vibration, buckling phenomenon up and down is generated because of expansion and shrinkage phenomenon,
Consider the thickness of this bending range and weight piece 12, it is preferable that the height of supporting member 14 is set as to ensure that piezoelectricity shakes
Kinetoplast 2 can generate the space of bending motion.
In the embodiments of the present invention, the leg 8 for forming electrode base board 4 will be extended and be attached to shell 16 and be arranged
Piezoelectric shock body 2, but as shown in figure 11, in order to which piezoelectric shock body 2 is set to shell 16, can be set through individual work
Sequence and the fixation shell 18 being formed by bending, to be fixed.
Fixed be bonded or welded with shell 18 is fixed in the lower section of electrode base board 4, by that will fix with shell 18
Bottom surface is attached to shell 16 piezoelectric shock body 2 is arranged.Above-mentioned fixation shell 18 is not needed using identical as electrode base board 4
Material, it is preferred to use the good material of intensity, and being manufactured by individual process, the fixed process letter with shell 18 of insulation processing
It is single, have the effect of simplifying the process of manufacture piezoelectric shock body 2.In addition, shell 18 is used using non-conductive material manufacture is fixed,
It is leaked to prevent the electric current for being applied to electrode base board 4 from flowing through fixed shell 18 to shell 16.
It, can also be such as Figure 12 institute in the case where piezoelectric shock body 2 is set to shell 16 with shell 18 using fixation
Support supporting member 14 is set on the fixed top with shell 18 with showing.
In the utility model, as shown in Figure 13 and Figure 14, in order to inhibit to generate from the piezoelectric shock body 2 for being attached to shell 12
Vibration sound, to be provided with individual sound proofing enclosure 20 in the form of covering the top of piezoelectric shock body 2.Sound proofing enclosure 20 can be with
It is formed by metal plate, plastics and rubber material, when especially with plastics or rubber material, production when being capable of increasing vibration-inhibition
The effect of raw sound.
In addition, also can be set and be inserted into outside the shock module of setting piezoelectric shock body 2 as shown in Figure 15 a to Figure 16
Shell 26, and after fixed piezoelectric shock body 2 is inserted into the inside of shock module shell 26, shock module shell 26 can be adhered to
It is fixed on the inner surface of shell 16.
If more specific explanation, piezoelectricity is inserted into from the side of the shock module shell 26 for the tube body for being formed with inner space
Vibration body 2, to piezoelectric shock body 2 is contained in the inner space of shock module shell 26.The shock module shell 26
It is preferred that using materials such as aluminium, stainless steel, iron plate and other forming synthetic resin objects.
By piezoelectric shock body 2 be inserted into shock module shell 26 after, by both ends as shown in fig. 15 a with containment member 28 into
Row closure processing.Containment member 28 use silica gel, UV bonding agent, epoxy resin etc., by with containment member 28 to shock module
The both ends of shell 26 carry out closure processing, prevent the sound wave generated by the vibration of piezoelectric shock body 2 from leaking to the outside, to rise
To deadening.In addition, by the way that piezoelectric shock body 2 is inserted into shock module shell 26, to have self-protection function.
In addition, as illustrated in fig. 15b, baffle 30 can also be formed at the both ends of shock module shell 26, be set with sealing insertion
It is placed in the piezoelectric shock body 2 of inside.
The baffle 30 can be integrally formed with shock module shell 26, and individual baffle 30 also can be set, with shake
Under the form of the both ends open of dynamic module housing 26, in the state that setting piezoelectric shock body 2 is inserted into inside, blocked with baffle 30
Open both ends, to play the deadening for preventing Rack wave direction External leakage.
In the state that piezoelectric shock body 2 to be inserted in the inside of shock module shell 26, by shock module shell 26
Bottom surface bonding agent adheres to the inner surface for being fixed on shell 16.It is preferably as the bonding agent for fixing shock module shell 26
Double-sided adhesive, can also be using epoxy resin, crylic acid resin bonding agent etc..
The bottom surface of shock module shell 26 by inside inserted with piezoelectric shock body 2, which integrally adheres to, is fixed on shell 16,
Bond area broadens, and so as to steadily fix, the vibration that piezoelectric shock body 2 generates as a result, is transferred to shifting by shell 16
The effect of dynamic terminal is also enhanced.In addition, will be set in shock module shell 26 and one in piezoelectric shock body 2 as described above
Change, in the operational sequence that shaking device is attached to mobile terminal have the effect of that the operating time can be shortened.
Figure 15 illustrates for be inserted into the piezoelectric shock body 2 for being provided with the leg 8 for being used to adhere to piezoelectric shock body 2 into Figure 16
It is set to shock module shell 26, but as shown in figures 6 a and 6b, the insertion of bracket 22 is being incorporated into both ends and is being attached to outer
It is also suitable in the case where shell 16.
The fixed knot of the piezoelectric shock body 2 of multiple embodiments according to the present utility model is shown in Figure 17 and Figure 18
Structure.
As shown in Figure 11 and Figure 12 of the utility model, when being provided with the fixation shell for fixing piezoelectric shock body 2
When 18, the both ends of piezoelectric shock body 2 become and fix the state being completely fixed with shell 18, to generate limitation vibration amplitude
Situation.
Therefore, it if the fixed form of piezoelectric shock body 2 is formed as insert structure as shown in Figures 17 to 19, presses
The both ends of electroshock kinetoplast 2 fixed state not instead of not completely, forms free end, thus without limitation on piezoelectric shock body 2
The vibration amplitude of upper and lower bending displacement obtains biggish vibration while so as to control variable vibration.
As described above, needing following subsequent handling when fixing the both ends of piezoelectric shock body 2 by insert structure, that is,
The piezoelectric shock body 2 for being folded for insertion into the fixation for the being formed in insertion wing plate of the end of shell 18 is prevented to be detached from.
The another embodiment of the piezoelectric shock body 2 of the utility model is shown in Figure 20 and Figure 21.
In the utility model, in order to improve the vibration efficiency of piezoelectric shock body 2b, elasticity is set at the both ends of electrode base board 4
Component 32.Elastic component 32 uses such as synthetic resin of silica gel polyurethane or synthetic rubber, natural rubber, in addition to this,
As long as soft flexible material,.
The elastic component 32 can be formed in the both ends of electrode base board 4 by bonding, combination and injection molding, be preferably formed as
Thickness for the weight piece 12 of the lower part than electrode base board 4 is thick, allows about 2 bending displacement of piezoelectric shock body.
If forming soft elastic component 32 at the both ends of electrode base board 4, weight piece 12 is because of piezoelectric element layer 6 and electricity
The bending of electrode substrate 4 and when shaking, vibration efficiency improves, the flexible freedom of electrode base board 4, and resonance frequency limitation disappears, therefore
It can carry out the variable shake control of multi-frequency.And then has and cut down the bending displacement because of piezoelectric element layer 6 and electrode base board 4
The effect of vibrating noise.
The lower part that the electrode base board 4 of elastic member 32 is arranged is additionally provided with outside for piezoelectric shock body 2b to be set to
Lower panel 36 is adhered to shell 16 by the lower panel 36 of shell 16, to adhere to fixed piezoelectric shock body 2b.
In addition, as shown in figure 21, the top for being attached to the piezoelectric shock body 2b of shell 16 may be formed as: in order to protect
Because the fall impacting of piezoelectric shock body 2b breakage while reduce because vibration noise, on the upper cap of piezoelectric shock body 2b
Lid 34 and be formed as surrounding whole.
The lid 34 can be formed by metal plate, plastics and rubber material, especially with plastics or rubber material
When material, the effect of the sound generated when being capable of increasing vibration-inhibition.
Figure 22 shows another form for constituting the electrode base board 4 of piezoelectric shock body 2b into Figure 24.
In the utility model, in order to improve the shaking force or shaking force of piezoelectric shock body 2b under same size
Size that is identical but can reducing piezoelectric shock body 2b forms electrode base board 4 with narrow width.
Referring to Figure 22 to Figure 24, in the embodiments of the present invention, piezoelectric shock body 2b can be configured to shaking force
Big multi-wafer type, to make piezoelectric shock body 2b be formed with small size, so as to not adhere to the electrode base of piezoelectric element layer 6
Plate 4 is formed with narrow left and right width.
When adhering to piezoelectric shock body 2b in the narrow electronic equipment in the inner space of such as mobile terminal, such as Figure 22 institute
Show, the marginal portion at the both ends of the electrode base board 4 of no attachment piezoelectric element layer 6 is minimized, thus according to piezoelectric shock body
The volume of 2b becomes smaller and generates remaining space in electronic equipment, and the setting of other component becomes easy.
In addition, in order to apply flexibly the remaining space that the both ends width by electrode base board 4 narrows and generates, it will be as shown in figure 23
The weight piece 12 of form is attached to electrode base board 4, to form the piezoelectric shock body 2b of form as of fig. 24, passes through increase
The weight of weight piece 12, can be improved vibrating effect.
Even that is, the identical shock momentum of piezoelectric element layer 6, the weight of the weight piece 12 due to being attached to electrode base board 4
Quantitative change weight, therefore shake efficiency and increase, this, which has the effect that, can be improved shake the size of piezoelectric shock body 2b becomes smaller
Dynamic effect.
The piezoelectric element shaking device of another embodiment according to the present utility model is shown in Figure 25 and Figure 26
Structure.
Shell 38 has can be set in the piezoelectric shock body 2b of the utility model, which is capable of increasing the same of shock momentum
When, the noise because of vibration is reduced, and piezoelectric shock body 2b attachment is fixed on to the inside of mobile terminal.
The shell 38 can be formed by the soft material of such as natural rubber, synthetic rubber, especially can be using synthesis
Silica gel, neoprene, ethylene propylene diene rubber (EPDM), fluorubber, acrylic rubber in rubber etc..In addition to this, as long as
It is the flexible material such as soft synthetic resin, can be used.
The shell 38 of the utility model has both the above-described bracket 22 for adhering to fixed piezoelectric shock body 2b, uses
In the function of increasing the elastic component 32 for shaking efficiency, the lid 34 for reducing vibrating noise, shell 38 is formed as one type
And piezoelectric shock body 2b can be surrounded, to simplify process.
If the structure for observing the shell 38, shell 38 includes the top knot that can be surrounded piezoelectric shock body 2b and combine
Conjunction portion 40 and lower part engaging portion 42 are formed with the mounting portion 44 for being inserted into electrode base board 4 at the both ends of lower part engaging portion 42.
It is combined by top engaging portion 40 and lower part engaging portion 42 and surrounds piezoelectric shock body 2b's with soft rubber material
It is whole, so that the both ends of piezoelectric shock body 2b are fixed by the combination of shell 38.
If the both ends of piezoelectric shock body 2b are fixed by soft shell 38, the amplification of elasticity, shake when because of vibration
Efficiency of movement improves, capable of expansion and contraction, the resonance frequency limitation disappearance of electrode base board 4, therefore can carry out the shake control of multi-frequency.
And then have the effect of cutting down the vibrating noise of the bending displacement because of piezoelectric element layer 6 and electrode base board 4.
Further, since by piezoelectric shock body 2b entirely through the top engaging portion 40 of soft rubber material and lower part
Engaging portion 42, which surrounds, to be formed and seals, and the vibration sound of piezoelectric shock body 2b is not passed to soft shell 38, so that piezoelectricity shakes
The noise of kinetoplast 2b is reduced, and protects piezoelectric shock body 2b with the shell of rubber material 38, thus in fall impacting, it is soft
The shell 38 of matter plays the role of absorbing the impact being applied on piezoelectric shock body 2b, can prevent breaking for piezoelectric shock body 2b
Damage.
In the embodiments of the present invention, the form of piezoelectric element layer 6 is not limited to particular form shown in the drawings,
In multiple embodiments, piezoelectric element layer 6 can be formed into piezoelectric shock body with single wafer type, twin lamella type, multi-wafer type
2,2a,2b.In addition, can not only be formed as bending-type shown in the embodiments of the present invention (Bender type)
Piezoelectric shock body 2,2a, 2b may be formed as piezoelectric shock body 2,2a, 2b of disc type.
Hereinafter, piezoelectric shock body 2,2a, 2b of the utility model are set to various electronic and can transmitted by explanation
The embodiment of vibration responding can be for transmitting vibration responding to user other than the embodiment of following the description
Various electronic in apply.
Piezoelectric shock body 2,2a, 2b of the utility model are arranged at mobile terminal, so as to fast to user's transmitting
The vibration responding of speed, compared with previous vibration motor, because its thickness becomes extremely thin, thus the movement narrow in installation space
It is configured in terminal very effectively.
It, can be into wide bandwidth range in addition, fast response time, can experience the instant sense for being matched with sound and video
The adjusting control of the size and speed of row vibration, provides presence to user.
Piezoelectric shock body 2,2a, 2b of the utility model are arranged at the inside of Vibration mouse, will correspond to the view shown
Feel that the quick vibration responding of information is transferred to user on hand, is capable of providing the instant sense of the mouse action with user
And presence.
If piezoelectric shock body 2,2a, 2b of the utility model are arranged on the Vibration mouse, can will be matched with
The various vibration of visual information is transferred on hand, when clicking mouse, operation sense can be transferred to user with vibration responding.
Piezoelectric shock body 2,2a, 2b of the utility model are arranged at the intelligent input interlocked with smart television (TV) and fill
It sets, such as is set to keyboard or remote controler, to can be transferred to operation sense when operating the button of Intelligent input mechanism
Finger tip, so as to complete the accurate signal input of the thinning Intelligent input mechanism of thickness.
In addition, being transferred to user by the image information that intelligence TV is exported with vibrational feedback, it is particularly corresponding to use picture
The vibration of game image of face output is transferred to user, thus while providing presence, provide according to vibration responding i.e.
When feel.
Piezoelectric shock body 2,2a, 2b of the utility model are arranged at the control of the PSP, the game machine of Nintendo such as Sony
In device, when operating game, the vibration responding for corresponding to game image is transferred to user in real time, it is existing so as to provide
True feeling.
In addition, the piezoelectric shock body 2 of the utility model, 2a, 2b be compared with previous vibration motor, vibration responding speed
Fastly, variable vibration can be carried out in wide bandwidth, therefore when being set to game console, can be transmitted and be rung according to real-time vibration
The instant sense answered and the presence according to variable vibration.
Piezoelectric shock body 2,2a, 2b of the utility model are arranged at for preventing such as the portable terminal of smart phone
On damaged protective shell, protective shell is installed on smart phone in a state that, it can will be provided to the image and sound of output
Vibration is transferred to user in real time.
In the case where operating game by smart phone, the real-time vibration feedback for being matched with game image can be also transmitted,
To provide presence and immediately sense.
Corresponding to the smart phone image and sound vibrational feedback control be will be used to control piezoelectric shock body 2,
The individual control module of 2a, 2b are set on the protective shell of portable terminal, and are received by wireless, wired from smart phone
Shake control signal and control vibrational feedback.
In addition, in portable terminal protective shell can within be equipped with auxiliary smart phone main battery large capacity auxiliary
Battery, boosting battery carried out when main battery discharges or the vibration of piezoelectric shock body 2,2a, 2b needs power supply using.
As described above, the utility model can simply adhere to setting when piezoelectric element shaking device is arranged, so as to
Simplify assembly process, the thickness of piezoelectric element shaking device is thinning, thus settable at an arbitrary position.
In addition, the piezoelectric element shaking device of the utility model can be such that size minimizes, and increase shock momentum, reduces
Vibrating noise, and have the effect of that the piezoelectric shock body 2 because of fall impacting, 2a, 2b can be prevented damaged.
In the explanation of above-mentioned the utility model, be illustrated for specific embodiment, but without departing from
Various deformation can be carried out in the scope of the utility model and is implemented.Therefore the scope of the utility model not embodiment party by illustrating
Formula determines, but determines by claims and with the content of claims equalization.
Industrial utilization
The piezoelectric element shaking device of the utility model can be set in including smart phone, medical instrument, tablet computer
(PC), the mobile terminal of game machine, Vibration mouse, vibration remote controler, vibration keyboard, portable terminal protective shell etc., thus
It is capable of providing vibrational feedback and uses.
Claims (20)
1. providing the piezoelectric element shaking device of real-time vibration feedback, which is characterized in that be provided with conductive material
Electrode base board (4), and be disposed on the piezoelectric shock body (2,2a, 2b) of piezoelectric element layer (6) and apply driving voltage, to constitute
The piezoelectric element shaking device of vibration is generated, is formed on the piezoelectric element layer (6) for preventing the driving voltage applied from letting out
The lower part of the insulating component (10) of leakage, the piezoelectric shock body (2,2a, 2b) is provided with leg (8), and the leg (8) is from the electricity
Electrode substrate (4) extends to form, the piezoelectric shock body (2,2a, 2b) is arranged for adhering to.
2. according to claim 1 provide the piezoelectric element shaking device of real-time vibration feedback, which is characterized in that the leg
Any curving that portion (8) is configured into the inner or outer side of the piezoelectric shock body (2,2a, 2b) is formed.
3. according to claim 2 provide the piezoelectric element shaking device of real-time vibration feedback, which is characterized in that described
The curved leg (8) in the inside of piezoelectric shock body (2,2a, 2b) is configured to connect to form the bonding so as to adhere to by both ends
Area becomes larger.
4. as claimed in any of claims 1 to 3 provide the piezoelectric element shaking device of real-time vibration feedback, spy
Sign is, is formed with supporting member (14) in the two sides of the leg (8) with " Kan " shape sigmoid, which uses
In the fixation for the piezoelectric shock body (2,2a, 2b) for being firmly supported attachment.
5. according to claim 1 provide the piezoelectric element shaking device of real-time vibration feedback, which is characterized in that the leg
In portion (8) coat silica gel or including polyurethane, epoxy resin, polyester, acrylic resin synthetic resin material in it is any
One and be formed with insulating film.
6. providing the piezoelectric element shaking device of real-time vibration feedback, which is characterized in that be provided with conductive material
Electrode base board (4), and be disposed on the piezoelectric shock body (2,2a, 2b) of piezoelectric element layer (6) and apply driving voltage, to constitute
The piezoelectric element shaking device of vibration is generated, is formed on the piezoelectric element layer (6) for preventing the driving voltage applied from letting out
The insulating component (10) of leakage, the lower part of the electrode base board (4) be provided with for adhere to be arranged the piezoelectric shock body (2,2a,
The fixation by insulation processing 2b) is with shell (18).
7. according to claim 6 provide the piezoelectric element shaking device of real-time vibration feedback, which is characterized in that described solid
Surely with supporting member (14) are formed on shell (18), which is used to be firmly supported the piezoelectricity shake of attachment
The fixation of kinetoplast (2,2a, 2b).
8. providing the piezoelectric element shaking device of real-time vibration feedback, which is characterized in that be provided with conductive material
Electrode base board (4), and be disposed on the piezoelectric shock body (2,2a, 2b) of piezoelectric element layer (6) and apply driving voltage, to constitute
The piezoelectric element shaking device of vibration is generated, is formed on the piezoelectric element layer (6) for preventing the driving voltage applied from letting out
The insulating component (10) of leakage is inserted at the both ends of the piezoelectric shock body (2,2a, 2b) and the pressure is arranged for adhering to
The bracket (22) of electroshock kinetoplast (2,2a, 2b).
9. providing the piezoelectric element shaking device of real-time vibration feedback, which is characterized in that be provided with conductive material
Electrode base board (4), and be disposed on the piezoelectric shock body (2,2a, 2b) of piezoelectric element layer (6) and apply driving voltage, to constitute
The piezoelectric element shaking device of vibration is generated, is formed on the piezoelectric element layer (6) for preventing the driving voltage applied from letting out
The insulating component (10) of leakage is provided at the both ends of the electrode base board (4) for improving the piezoelectric shock body (2,2a, 2b)
Vibration efficiency elastic component (32), the lower part of the elastic component (32), which is provided with, is arranged the piezoelectric shock for adhering to
The lower panel (36) of body (2,2a, 2b).
10. according to claim 1, the piezoelectric element of offer real-time vibration feedback described in any one in 6,8 and 9 shakes dress
It sets, which is characterized in that constituting on the piezoelectric shock body (2,2a, 2b) has lid (34), and the lid (34) is for preventing because falling
While the breakage of the piezoelectric shock body (2,2a, 2b) of drop impact, the noise because of vibration is reduced.
11. according to claim 1, the piezoelectric element of offer real-time vibration feedback described in any one in 6,8 and 9 shakes dress
It sets, which is characterized in that constituting on the piezoelectric shock body (2,2a, 2b) has sound proofing enclosure (20), which is used for
While preventing the breakage because of the piezoelectric shock body (2,2a, 2b) of fall impacting, the noise because of vibration is reduced.
12. according to claim 1, the piezoelectric element of offer real-time vibration feedback described in any one in 6,8 and 9 shakes dress
It sets, which is characterized in that constituting on the piezoelectric shock body (2,2a, 2b) has shock module shell (26), the shock module shell
(26) for preventing the breakage because of the piezoelectric shock body (2,2a, 2b) of fall impacting while, the noise because of vibration is reduced.
13. providing the piezoelectric element shaking device of real-time vibration feedback, which is characterized in that be provided with conductive material
Electrode base board (4), and be disposed on the piezoelectric shock body (2,2a, 2b) of piezoelectric element layer (6) and apply driving voltage, to constitute
The piezoelectric element shaking device of vibration is generated, is formed on the piezoelectric element layer (6) for preventing the driving voltage applied from letting out
The insulating component (10) of leakage, and composition has soft shell (38), which is formed to surround the piezoelectric shock
Body (2,2a, 2b), and for increasing shock momentum, reduces vibrating noise, and for adhere to be arranged the piezoelectric shock body (2,2a,
2b)。
14. according to claim 13 provide the piezoelectric element shaking device of real-time vibration feedback, which is characterized in that described
Shell (38) includes the top engaging portion (40) and lower part engaging portion (42) for surrounding the piezoelectric shock body (2,2a, 2b),
Constituting on the lower part engaging portion (42) has the mounting portion (44) for making the electrode base board insertion.
15. according to claim 13 provide the piezoelectric element shaking device of real-time vibration feedback, which is characterized in that described
Shell (38) is formed by any one in natural rubber, synthetic rubber, synthetic resin.
16. according to claim 1, the piezoelectric element vibration of offer real-time vibration feedback described in any one of 6,8,9 and 13
Device, which is characterized in that more than any one in the one side and two sides of the piezoelectric shock body (2,2a, 2b) adhere to
It is fixed with the weight piece (12) for increasing vibration.
17. according to claim 1, the piezoelectric element vibration of offer real-time vibration feedback described in any one of 6,8,9 and 13
Device, which is characterized in that the piezoelectric shock body (2,2a, 2b) is single wafer type, twin lamella type, the shake of multi-wafer type piezoelectric element
Move any one in device.
18. according to claim 1, the piezoelectric element vibration of offer real-time vibration feedback described in any one of 6,8,9 and 13
Device, which is characterized in that more than any one in the one or both sides of the piezoelectric shock body (2,2a, 2b) adhere to and constitute
There are protective glue band (24), which is used to prevent the breakage of the piezoelectric element layer (6) and taking off for weight piece (12)
It falls.
19. according to claim 1, the piezoelectric element vibration of offer real-time vibration feedback described in any one of 6,8,9 and 13
Device, which is characterized in that using in soft synthetic resin and synthetic rubber on the surface of the piezoelectric shock body (2,2a, 2b)
Any one form coat, to be configured to insulate and reduce the sound generated by vibration.
20. according to claim 1, the piezoelectric element vibration of offer real-time vibration feedback described in any one of 6,8,9 and 13
Device, which is characterized in that the piezoelectric shock body (2,2a, 2b) is set to including the smart phone with call function, medical treatment
Instrument, game machine, Vibration mouse, vibration remote controler, vibration keyboard, provides the portable terminal use of vibrational feedback at tablet computer
The mobile terminal of protective shell.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20140051615A KR20140131274A (en) | 2013-02-27 | 2014-04-29 | Vibration apparatus employing piezo electric element for mobile terminal |
| KR1020140057249A KR20140097049A (en) | 2014-04-29 | 2014-05-13 | Vibration apparatus employing piezo electric element for mobile terminal |
| KR1020150031069A KR20150045959A (en) | 2014-04-29 | 2015-03-05 | Vibration apparatus employing piezo electric element providing real time vibration feedback |
| KR10-2015-0031069 | 2015-03-05 | ||
| PCT/KR2016/001247 WO2016140442A1 (en) | 2015-03-05 | 2016-02-04 | Piezoelectric element vibration apparatus that provides real-time vibration feedback |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208521966U true CN208521966U (en) | 2019-02-19 |
Family
ID=61494353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201690000452.2U Expired - Fee Related CN208521966U (en) | 2014-04-29 | 2016-02-04 | The piezoelectric element shaking device of real-time vibration feedback is provided |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP3215078U (en) |
| CN (1) | CN208521966U (en) |
-
2016
- 2016-02-04 CN CN201690000452.2U patent/CN208521966U/en not_active Expired - Fee Related
- 2016-02-04 JP JP2017600094U patent/JP3215078U/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP3215078U (en) | 2018-03-01 |
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