CN106843508A - Piezoelectric type haptic feedback module and terminal - Google Patents
Piezoelectric type haptic feedback module and terminal Download PDFInfo
- Publication number
- CN106843508A CN106843508A CN201710189853.8A CN201710189853A CN106843508A CN 106843508 A CN106843508 A CN 106843508A CN 201710189853 A CN201710189853 A CN 201710189853A CN 106843508 A CN106843508 A CN 106843508A
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- Prior art keywords
- piezoelectric element
- panel
- piezoelectric
- haptic feedback
- feedback module
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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; CALCULATING OR 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
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0414—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position
Abstract
The present invention relates to piezo electric module technical field, more particularly, to a kind of piezoelectric type haptic feedback module and terminal, purpose is to provide a kind of piezoelectric type haptic feedback module and terminal, with the not good technical problem of the interaction effect for alleviating touching technique present in prior art.Including：Panel, back shroud, the center between panel and back shroud, between panel and center and it is fixed on the piezoelectric element component of center and is arranged at the circuit module of bonnet back；The front of panel triggers piezoelectric element component after being pressurized so that piezoelectric element component produces triggering electric signal, and triggering electric signal is transferred to after circuit module produce the excitation signal for triggering piezoelectric element component by circuit module.Piezoelectric element component produces sharp pounding after excitation signal is received and the vibrations is transferred into panel, it is achieved thereby that touch feedback.
Description
Technical field
The present invention relates to piezo electric module technical field, more particularly, to a kind of piezoelectric type haptic feedback module and terminal.
Background technology
With the development of electronic technology, touch input is expanded in various household electrical appliance and industrial equipment, for example
Capacitive touch control plate on refrigerator, micro-wave oven.
Because these Trackpads are deactivateds, that is, there will not be mechanical trip when clicking on, user cannot perceive from finger
Whether effective click is carried out to these buttons.It is that, by producing sound, such as " ticking " sound to be produced with user in correlation technique
Interaction, but, it is in a noisy environment, this to cause because sound is too small by way of sound is produced with user and interacted
User cannot effectively distinguish, therefore there is the not good technical problem of Consumer's Experience,
Thus, there is the not good technical problem of interaction effect in touching technique of the prior art.
The content of the invention
It is an object of the invention to provide a kind of piezoelectric type haptic feedback module and terminal, exist in the prior art to alleviate
Touching technique the not good technical problem of interaction effect.
In order to solve the above technical problems, the technical scheme that the present invention is provided is：
A kind of piezoelectric type haptic feedback module, including：
Panel, back shroud, the center between the panel and the back shroud, positioned at the panel and the center
Between and be fixed on the piezoelectric element component of the center and be arranged at the circuit module of the bonnet back；
The front of the panel triggers the piezoelectric element component after being pressurized so that the piezoelectric element component produces triggering
Electric signal, the triggering electric signal is produced for triggering the piezoelectricity unit after being transferred to the circuit module by the circuit module
The excitation signal of part component.
Further,
The piezoelectric element component includes the piezoelectric element of multiple array arrangements,
The piezoelectric element includes being resisted against the substrate of the back side of panel and positioned at the substrate away from the face
The piezoelectric ceramic piece of the side of plate.
Further,
The center is provided with is used for the piezoelectric ceramics for avoiding the piezoelectric element with the piezoelectric element correspondingly
The through hole of piece.
Further,
The center is additionally provided with the pin-and-hole positioned at the through hole corner, the piezoelectric element by through the pin-and-hole simultaneously
And the pin being connected with the substrate is connected with the center.
Further,
The quantity of the pin-and-hole on each described through hole is four, and four pin-and-holes are positioned at the corner of the through hole.
Further,
It is additionally provided with the center and is touched with the metal respectively positioned at the hard contact at the through hole edge and two ends
Point and the wire of piezoelectric ceramic piece connection.
Further,
The side of the close described panel of the back shroud be provided be connected with the pin the first spring electrode pin, with
And the second spring electrode needle being connected with the hard contact.
Further,
The circuit block includes power input port, logic circuit, signal output port and drive circuit；
The power input port, for being powered to circuit module；
The logic circuit, for receiving the triggering electric signal produced when described piezoelectric element is deformed upon, by sentencing
Have no progeny and output control signals to signal output port, also, output port judges signal to the drive circuit；
The drive circuit, the port for receiving the logic circuit output judges signal, and exports excitation signal extremely
The piezoelectric element；
The signal output port, for receiving and exports the control signal that the logic circuit is produced.
Further,
The substrate, the material of the pin are metal, and the material of the panel is plastics.
A kind of terminal, including above-mentioned piezoelectric type haptic feedback module.
With reference to above technical scheme, the beneficial effect that the present invention can be produced is：
The present invention provide piezoelectric type haptic feedback module, including panel, back shroud, positioned at the panel and the bonnet
Center between plate, between the panel and the center and it is fixed on piezoelectric element component, the Yi Jishe of the center
It is placed in the circuit module of the bonnet back；
The operation principle of the piezoelectric type haptic feedback module that the present invention is provided is summarized as follows：
The front of the panel triggers the piezoelectric element component after being pressurized so that the piezoelectric element component produces triggering
Electric signal, the triggering electric signal is produced for triggering the piezoelectricity unit after being transferred to the circuit module by the circuit module
The excitation signal of part component, piezoelectric element component produces sharp pounding after excitation signal is received and the vibrations is transferred into face
Plate, it is achieved thereby that touch feedback.
Brief description of the drawings
In order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art, below will be to specific
The accompanying drawing to be used needed for implementation method or description of the prior art is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the Structure explosion diagram of piezoelectric type haptic feedback module provided in an embodiment of the present invention；
Fig. 2 is the structural representation (front) after piezoelectric type haptic feedback module assembling provided in an embodiment of the present invention；
Fig. 3 is the structural representation (back side) after piezoelectric type haptic feedback module assembling provided in an embodiment of the present invention；
Fig. 4 is the structure schematic diagram of the center of piezoelectric type haptic feedback module provided in an embodiment of the present invention；
Fig. 5 is the partial structural diagram (front) of piezoelectric type haptic feedback module provided in an embodiment of the present invention；
Fig. 6 is the partial structural diagram (back side) of piezoelectric type haptic feedback module provided in an embodiment of the present invention；
Fig. 7 is the part sectioned view of piezoelectric type haptic feedback module provided in an embodiment of the present invention.
Icon：1- panels；2- piezoelectric element components；3- centers；4- pins；5- back shrouds；6- circuit modules；
21- substrates；22- piezoelectric ceramic pieces；31- through holes；32- pin-and-holes；33- hard contacts；34- wires；61- power inputs
Port；62- signal output ports；63- logic circuits；64- drive circuits；511- the first spring electrode pins；512- second
Spring electrode pin.
Specific embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation
Example is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", D score, "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outward " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify describe, rather than indicate imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.Additionally, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that indicating or implying relative importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Company ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can
Being to mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
Two connections of element internal.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
On the front addressed in the present invention, declaration of will is, near the one side of operator.For example, the front of panel
Refer to the side near operator of panel.Again for example, the front of center refers to the side near panel of center.Again for example, bonnet
The front of plate refers to the side near center of back shroud.
On the back side that the present invention is addressed, declaration of will is, away from the one side of operator.For example, the back side of panel refers to
The side away from operator of panel.Again for example, the back side of center refers to the side away from panel of center.Again for example, back shroud
The back side refer to the side away from center of back shroud.
Embodiment 1 and embodiment 2 are described in detail below in conjunction with the accompanying drawings：
Fig. 1 is the Structure explosion diagram of piezoelectric type haptic feedback module provided in an embodiment of the present invention；Fig. 2 is implemented for the present invention
Structural representation (front) after the piezoelectric type haptic feedback module assembling that example is provided；Fig. 3 is pressure provided in an embodiment of the present invention
Structural representation (back side) after the assembling of electric-type haptic feedback module；Fig. 4 is that piezoelectric type tactile provided in an embodiment of the present invention is anti-
Present the structure schematic diagram of the center of module；Fig. 5 is the part of piezoelectric type haptic feedback module provided in an embodiment of the present invention
Structural representation (front)；Fig. 6 is the partial structural diagram (back of the body of piezoelectric type haptic feedback module provided in an embodiment of the present invention
Face)；Fig. 7 is the part sectioned view of piezoelectric type haptic feedback module provided in an embodiment of the present invention.
Embodiment 1
A kind of piezoelectric type haptic feedback module, please with reference to Fig. 1 to Fig. 7, including：
It is panel 1, back shroud 5, the center 3 between panel 1 and back shroud 5, between panel 1 and center 3 and solid
Due to center 3 piezoelectric element component 2 and be arranged at the circuit module 6 at the back side of back shroud 5；
The front of panel 1 triggers piezoelectric element component 2 after being pressurized so that the generation triggering electric signal of piezoelectric element component 2, touches
Electrical signal is transferred to after circuit module 6 produce the excitation signal for triggering piezoelectric element component 2 by circuit module 6.Piezoelectricity
Component element 2 produces sharp pounding and the vibrations is transferred into panel 1 after excitation signal is received, it is achieved thereby that tactile is anti-
Feedback, realizes man-machine good interaction.
Below to being described in detail below according to the shape of panel 1 and structure：
The concrete shape of panel 1 should be according to specifically used ambient As, and such as panel 1 can be rectangle, and rectangle is not limited
It is square or rectangle.Key zone is provided with panel 1, key zone for example can be digital keys area, function button area etc..
The material of panel 1 is preferably arranged to plastic material.
The shape and structure to piezoelectric element component 2 are described in detail below below：
Piezoelectric element component 2 includes the piezoelectric element of multiple array arrangements,
Piezoelectric element includes being resisted against the substrate 21 at the back side of panel 1 and positioned at the side away from panel 1 of substrate 21
Piezoelectric ceramic piece 22.More preferably, piezoelectric ceramic piece 22 is set to rectangle, and rectangle for example can be square or rectangle,
Further, piezoelectric ceramic piece 22 is single layer piezoelectric potsherd 22 or multilayer piezoelectric ceramic piece 22.More preferably, substrate 21
It is set to rectangle, rectangle for example can be square or rectangle, and projected area of the piezoelectric ceramic piece 22 on substrate 21
Less than the area of substrate 21.Further, the material of substrate 21 is set to metal, and metal can conduct electric signal, so that will
Electric signal is transferred to piezoelectric ceramic piece 22 so that piezoelectric ceramic piece 22 produces local sharp pounding.
It should be noted that the quantity of piezoelectric element can be according to having the need for actually used in piezoelectric element component 2
Body is set, and the quantity of piezoelectric element needs to be determined according to the specific button of panel 1, for example, being provided with 6 buttons, phase on panel 1
Ying Di, piezoelectric element component 2 is provided with and 6 one-to-one piezoelectric elements of button.Again for example, being provided with 9 on panel 1
Button, piezoelectric element component 2 is provided with and 9 one-to-one piezoelectric elements of button.It should be noted that above-mentioned button
Should be interpreted that touch area, i.e., the region for being touched for operator.
The structure and shape to center 3 are described in detail below below：
Center 3 is provided with the through hole of the piezoelectric ceramic piece 22 for being used for avoiding piezoelectric element correspondingly with piezoelectric element
31。
Center 3 is additionally provided with the pin-and-hole 32 positioned at the corner of through hole 31, and piezoelectric element is by through pin-and-hole 32 and and substrate
The pin 4 of 21 connections is connected with center 3.
The quantity of the pin-and-hole 32 on each through hole 31 is four, and four pin-and-holes 32 are positioned at the corner of through hole 31.
Be additionally provided with center 3 positioned at the hard contact 33 at the edge of through hole 31 and two ends respectively with hard contact 33 and pressure
The wire 34 of the connection of electroceramics piece 22.
The structure and shape to back shroud 5 are described in detail below below：
The side of the close panel 1 of back shroud 5 be provided with the first spring electrode pin 511 for being connected with pin 4 and with gold
The second spring electrode needle 512 of category contact 33 connection.In the assembled state, the first spring electrode pin 511 offsets with pin 4, by
It is metal in the material of pin 4, thus the first spring electrode pin 511 can turn in the energized state with pin 4.Second spring
Electrode needle 512 is offseted with hard contact 33, and second spring electrode needle 512 is turned in the energized state with hard contact 33.
The structure and shape to circuit module 6 are described in detail below below：
Circuit module 6 includes power input port 61, logic circuit 63, signal output port 62 and drive circuit 64；
Power input port 61, for being powered to circuit module 6；
Logic circuit 63, the triggering electric signal that the piezoelectric element for receiving is produced when deforming upon, by defeated after judgement
Go out control signal to signal output port 62, also, output port judges signal to drive circuit 64；
Drive circuit 64, the port for receiving the output of logic circuit 63 judges signal, and exports excitation signal to piezoelectricity
Element；
Signal output port 62, for the control signal for receiving and output logic circuit 63 is produced.
The specific work process of above-mentioned circuit module 6 is summarized as follows：
The front of pressing panel 1 when using, piezoelectric element produces deformation, and piezoelectric element produces triggering electric signal, trigger signal
It is input into logic circuit 63 by wire 34, hard contact 33, after being processed through the judgement of logic circuit 63, the corresponding control letter of output
Number to signal output port 62, the control signal is used to control associated electrical appliance equipment, (is illustrated with mobile phone, the control signal is for example
Number can be called).At the same time, logic circuit 63 produces port to judge signal, and the port is judged into signal input
To drive circuit 64, drive circuit 64 is received after the port judges signal and produces excitation signal, and the excitation signal is input to
The piezoelectric element of corresponding port, piezoelectric element deforms upon vibration, and vibration is delivered to panel 1, thus produce touch feedback, it is necessary to
Illustrate, corresponding port declaration of will is the corresponding port of the corresponding piezoelectric element of pressing position of panel 1.
Embodiment 2
A kind of piezoelectric type haptic feedback module in terminal, including embodiment 1.
The terminal for example can be mobile phone, refrigerator, micro-wave oven etc..
The piezoelectric type haptic feedback module that the present invention is provided, including panel 1, back shroud 5, positioned at panel 1 and back shroud 5 it
Between center 3, between panel 1 and center 3 and be fixed on the piezoelectric element component 2 of center 3 and be arranged at back shroud 5
The circuit module 6 at the back side；The operation principle of the piezoelectric type haptic feedback module that the present invention is provided is summarized as follows：
The front of panel 1 triggers piezoelectric element component 2 after being pressurized so that the generation triggering electric signal of piezoelectric element component 2, touches
Electrical signal is transferred to after circuit module 6 produce excitation signal for triggering piezoelectric element component 2, piezoelectricity by circuit module 6
Component element 2 produces sharp pounding and the vibrations is transferred into panel 1 after excitation signal is received, it is achieved thereby that tactile is anti-
Feedback.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
Pipe has been described in detail with reference to foregoing embodiments to the present invention, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, or which part or all technical characteristic are entered
Row equivalent；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. a kind of piezoelectric type haptic feedback module, it is characterised in that including：
Panel, back shroud, the center between the panel and the back shroud, between the panel and the center
And be fixed on the piezoelectric element component of the center and be arranged at the circuit module of the bonnet back；
The front of the panel triggers the piezoelectric element component after being pressurized so that the piezoelectric element component produces triggering telecommunications
Number, the triggering electric signal is produced for triggering the piezoelectric element group after being transferred to the circuit module by the circuit module
The excitation signal of part.
2. piezoelectric type haptic feedback module according to claim 1, it is characterised in that
The piezoelectric element component includes the piezoelectric element of multiple array arrangements,
The piezoelectric element includes being resisted against the substrate of the back side of panel and positioned at the substrate away from the panel
The piezoelectric ceramic piece of side.
3. piezoelectric type haptic feedback module according to claim 2, it is characterised in that
The center is provided with is used for the piezoelectric ceramic piece for avoiding the piezoelectric element with the piezoelectric element correspondingly
Through hole.
4. piezoelectric type haptic feedback module according to claim 3, it is characterised in that
The center is additionally provided with the pin-and-hole positioned at the through hole corner, the piezoelectric element by through the pin-and-hole and with
The pin of the substrate connection is connected with the center.
5. piezoelectric type haptic feedback module according to claim 4, it is characterised in that
The quantity of the pin-and-hole on each described through hole is four, and four pin-and-holes are positioned at the corner of the through hole.
6. piezoelectric type haptic feedback module according to claim 5, it is characterised in that
Be additionally provided with the center positioned at the hard contact at the through hole edge and two ends respectively with the hard contact and
The wire of the piezoelectric ceramic piece connection.
7. piezoelectric type haptic feedback module according to claim 6, it is characterised in that
The side of the close described panel of the back shroud is provided with the first spring electrode pin, the Yi Jiyu being connected with the pin
The second spring electrode needle of the hard contact connection.
8. piezoelectric type haptic feedback module according to claim 1, it is characterised in that the circuit module includes that power supply is defeated
Inbound port, logic circuit, signal output port and drive circuit；
The power input port, for being powered to circuit module；
The logic circuit, for receiving the triggering electric signal produced when described piezoelectric element is deformed upon, by after judgement
Signal output port is output control signals to, also, output port judges signal to the drive circuit；
The drive circuit, the port for receiving logic circuit output judges signal, and exports excitation signal to described
Piezoelectric element；
The signal output port, for receiving and exports the control signal that the logic circuit is produced.
9. piezoelectric type haptic feedback module according to claim 8, it is characterised in that
The substrate, the material of the pin are metal, and the material of the panel is plastics.
10. a kind of terminal, it is characterised in that including the piezoelectric type haptic feedback module as described in claim any one of 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710189853.8A CN106843508B (en) | 2017-03-29 | 2017-03-29 | Piezoelectric type tactile feedback module and terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710189853.8A CN106843508B (en) | 2017-03-29 | 2017-03-29 | Piezoelectric type tactile feedback module and terminal |
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| Publication Number | Publication Date |
|---|---|
| CN106843508A true CN106843508A (en) | 2017-06-13 |
| CN106843508B CN106843508B (en) | 2023-10-20 |
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|---|---|---|---|
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| CN107329565A (en) * | 2017-06-15 | 2017-11-07 | 燕山大学 | A kind of piezoelectric type touch feedback actuator |
| CN111726434A (en) * | 2019-03-22 | 2020-09-29 | 北京小米移动软件有限公司 | Terminal and terminal control method |
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| CN111726434A (en) * | 2019-03-22 | 2020-09-29 | 北京小米移动软件有限公司 | Terminal and terminal control method |
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| Publication number | Publication date |
|---|---|
| CN106843508B (en) | 2023-10-20 |
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