CN208798221U - A kind of multifunctional intelligent terminal back board device based on piezoelectric ceramics - Google Patents
A kind of multifunctional intelligent terminal back board device based on piezoelectric ceramics Download PDFInfo
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- CN208798221U CN208798221U CN201821232018.4U CN201821232018U CN208798221U CN 208798221 U CN208798221 U CN 208798221U CN 201821232018 U CN201821232018 U CN 201821232018U CN 208798221 U CN208798221 U CN 208798221U
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- piezoelectric ceramic
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Abstract
The utility model discloses a kind of multifunctional intelligent terminal back board device based on piezoelectric ceramics, piezoelectric ceramic piece is provided on the inside of the dorsal shield of intelligent terminal, the central processing unit for leading to signal wire and intelligent terminal from the piezoelectric ceramic piece connects, and is provided with protrusion on the lateral surface position corresponding with piezoelectric ceramic piece of the dorsal shield of the intelligent terminal.The utility model utilizes piezoelectric ceramics, had not only realized the bone-conduction speaker function and vibration prompting device of intelligent terminal, but also can be used as the rear touch device of intelligent terminal, three application functions can be achieved at the same time.Bone-conduction speaker function, audio frequency vibration signal pass through cochlea and auditory nerve that skull is directly delivered to human ear, allow people to hear the voice signal of its transmitting, even if can still not hear other side's voice under noisy environment；Vibration prompting device can replace traditional mechanical eccentric motor, reduce power consumption, greatly increase the stability of vibration device, and save space and the thickness of equipment.
Description
Technical field
The utility model belongs to intelligent terminal technical field, and in particular to a kind of multifunctional intellectual based on piezoelectric ceramics is whole
Hold back board device.
Background technique
Each mobile phone or PAD can configure vibrating motor and loudspeaker.In more noisy environment, the vibration of mobile phone
Dynamic function can timely and effectively remind people's incoming call and short message.Lead currently on the market mobile phone vibrating motor to be used be by
Motor and the counterweight eccentric group being mounted on rotor axis of electric are at but vibrating motor volume is big, and power consumption is high, occupies biggish
Space, and mechanical component processing is complicated, is easy to appear failure；In addition existing loudspeaker relies on air borne audio signal,
Voice messaging can not be waited for information in noisy environment.
Utility model content
Goal of the invention: it is made pottery in view of the deficienciess of the prior art, the purpose of the utility model is to provide one kind based on piezoelectricity
The multifunctional intelligent terminal back board device of porcelain.
Technical solution: in order to achieve the above-mentioned object of the invention, the technical solution adopted in the utility model is as follows:
A kind of multifunctional intelligent terminal back board device based on piezoelectric ceramics, on the inside of the dorsal shield of intelligent terminal on be provided with
Piezoelectric ceramic piece, the central processing unit for leading to signal wire and intelligent terminal from the piezoelectric ceramic piece connects, in the intelligence
The lateral surface of the dorsal shield of terminal is provided with protrusion on position corresponding with piezoelectric ceramic piece.
Preferably, the piezoelectric ceramic piece is connect through central processing unit with a high-frequency oscillating circuits, the higher-order of oscillation
Circuit generates high frequency electrical signal, and high frequency electrical signal is loaded through central processing unit in piezoelectric ceramics on piece.
Preferably, the piezoelectric ceramic piece is connected through the audio-frequency module of central processing unit and intelligent terminal, the audio
Module generates audio electrical signal, and audio electrical signal is loaded through central processing unit in piezoelectric ceramics on piece.
Preferably, the piezoelectric ceramic piece is whole piece piezoelectric ceramic piece, the protrusion is provided at least three, adjacent
The distance between two protrusions are different.
Preferably, the protrusion is provided with 6 altogether, point vertical and horizontal two rows of settings, every row has 3 protrusions, arbitrary neighborhood
The distance between two protrusions are different.
Preferably, the piezoelectric ceramic piece at least provided with 2, is provided with 1 protrusion above each piezoelectric ceramic piece.
Preferably, the top or lower part of dorsal shield is arranged in the piezoelectric ceramic piece and protrusion.
Preferably, the top of dorsal shield is arranged in the piezoelectric ceramic piece and protrusion.
Preferably, the signal wire uses flexible circuit board (FPC), described flexible circuit board one end and piezoelectric ceramic piece
Connection, the other end are connect with central processing unit.
Preferably, the intelligent terminal is to include mobile phone, plate or the meter for being preinstalled with system software, several App softwares
Calculation machine.
The utility model has the advantages that compared with prior art, the utility model has the advantage that
The utility model utilizes piezoelectric ceramics, has both realized the bone-conduction speaker function and vibration prompting function of intelligent terminal
Can, and can be used as the rear touch device of intelligent terminal, three application functions can be achieved at the same time.Bone-conduction speaker function,
Audio frequency vibration signal passes through cochlea and auditory nerve that skull is directly delivered to human ear, and people is allowed to hear the voice signal of its transmitting,
Even if can still not hear other side's voice under noisy environment；Vibration prompting device can replace traditional mechanical motor, reduce power consumption,
The stability of vibration device is greatly increased, and saves the space of equipment.
Detailed description of the invention
Fig. 1 is the multifunctional intelligent terminal back board device structural schematic diagram one based on piezoelectric ceramics；
Fig. 2 is the multifunctional intelligent terminal back board device structural schematic diagram two based on piezoelectric ceramics.
Fig. 3 is touch sensible continuous wave figure；
Fig. 4 is touch sensible continuous wave phase difference figure.
Specific embodiment
Combined with specific embodiments below, the present invention is furture elucidated, and embodiment is under the premise of the technical scheme of the present invention
Implemented, it should be understood that these examples are only for illustrating the present invention and are not intended to limit the scope of the present invention.
The display portion and intelligence that intelligent terminal, substantially composition include the core component of intelligent terminal, intelligent terminal
The touch control device of terminal；Core component includes central processing unit, and system software is equipped on central processing unit
(Android system, Saipan system, IOS system etc.), several APP softwares (existing) etc.；Display portion is mainly used for display system
Operating condition and operation information, conventional display or display screen, intelligent terminal be include mobile phone, plate or meter
Calculation machine etc..
As depicted in figs. 1 and 2, the multifunctional intelligent terminal back board device based on piezoelectric ceramics of the application, at intelligent end
It is provided with piezoelectric ceramic piece 2 on 1 inside of dorsal shield at end, the centre of signal wire 3 Yu intelligent terminal is led to from piezoelectric ceramic piece 2
Device connection is managed, protrusion 4 is provided on the lateral surface position corresponding with piezoelectric ceramic piece 2 of the dorsal shield 1 of intelligent terminal.
Piezoelectric ceramic piece 2 is connect through central processing unit with a high-frequency oscillating circuits, and high-frequency oscillating circuits generates high frequency telecommunications
Number, high frequency electrical signal loads on piezoelectric ceramic piece 2 through central processing unit.Piezoelectric ceramic piece 2 can generate vibration, shake through intelligence
The dorsal shield of terminal conducts, it can be achieved that intelligent terminal vibration warning；Desktop is flat in intelligent terminal, plate etc. or is turned
When in pocket, clearer conduction vibration prompting.Piezoelectric ceramic piece 2 and protrusion 4 are arranged in 1 any position of dorsal shield, preferably set
It sets on the top or lower part of dorsal shield.
Piezoelectric ceramic piece 2 is connected through the audio-frequency module of central processing unit and intelligent terminal, and audio-frequency module generates voiceband telecommunication
Number, audio electrical signal loads on piezoelectric ceramic piece 2 through central processing unit.The vibration of piezoelectric ceramic piece 2 generates sound, through intelligent end
Dorsal shield conduction is held, can be used as intelligent terminal bone-conduction speaker, i.e. pass through skull is directly delivered to people to audio frequency vibration signal
The cochlea and auditory nerve of ear allow people to hear the voice signal of its transmitting, even if can still not hear other side's voice under noisy environment.
The top of dorsal shield 1 is arranged in piezoelectric ceramic piece 2 and protrusion 4, closer to human ear.
As shown in figures 1 and 3, the piezoelectric ceramic piece 2 of the utility model and protrusion 4 both can be used as the loudspeaking of intelligent terminal
Device and vibration prompting device, and can be used as the rear touch equipment of intelligent terminal, piezoelectric ceramic piece 2 is whole piece piezoelectric ceramics
Piece, protrusion 4 are provided at least three, in a row can be arranged, the distance between first two neighboring protrusion is adjacent with second
The distance between protrusion unequal two neighboring raised the distance between 4 is different.Or protrusion 4 is provided with 6 altogether, point cross
Perpendicular two rows of settings, every row have 3 protrusions 4, and the distance between two protrusions 4 of arbitrary neighborhood are different.Since piezoelectric ceramics has
There is higher sensitivity, extraneous faint vibration can be perceived, and generate electric signal, when the finger wiping of approximate uniform motion is grasped
Make, successively second protrusion is slided into from first protrusion, then to third protrusion, so that piezoelectric ceramic piece induction generation is corresponding
Shape information data L1 and L2 successively slide into second protrusion from third protrusion, then arrive if slided from opposite direction
First protrusion then makes piezoelectric ceramic piece induction generate corresponding shape information data L2 and L1；Shape information data warp
Preset operational order is obtained after processing, completes control operation.The processing mode can be to be divided by, i.e. acquisition L1/L2, L2/L1
Two as a result, preset operational order can be to move to left, move to right, moving up, moving down, the corresponding operational order of L1/L2 be move to left or
It moves to right, move up or moves down, the corresponding operational order of L2/L1 is to move to left or move to right, move up or move down, and L1/L2, L2/L1 are corresponding
Operational order not simultaneously be the same operational order, realize back touch operation control screen on APP function.
As shown in Figure 2 and Figure 4, piezoelectric ceramic piece 2 is provided with 1 above each piezoelectric ceramic piece 2 at least provided with 2
Protrusion 4.Due to piezoelectric ceramics sensitivity with higher, extraneous faint vibration can be perceived, and generates electric signal, when approximate even
The finger wiping operation of speed movement, successively slides into second protrusion from first protrusion, so that the induction generation pair of piezoelectric ceramic piece 2
The shape information L1 and L2 answered successively slides into first protrusion from second protrusion, then makes if slided from opposite direction
It obtains the induction of piezoelectric ceramic piece 2 and generates corresponding shape information L2 and L1；There are gap, therefore shape information L1 between two protrusions 4
Sequencing is had with L2, there are phase difference, which obtains preset operational order after processing, completes control behaviour
Make.Typical preset operational order can be to move to left, move to right, moving up, moving down, and the corresponding operational order of L1/L2 phase difference is
It moves to left or moves to right, move up or move down, the corresponding operational order of L2/L1 phase difference is moves to left or move to right, moves up or move down, and L1/
L2 phase difference, the corresponding operational order of L2/L1 phase difference are not the same operational order simultaneously.
Signal wire 3 uses flexible circuit board (FPC), and flexible circuit board one end is connect with piezoelectric ceramic piece 2, and the other end is in
Centre processing connection.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the protection scope of the utility model.
Claims (9)
1. a kind of multifunctional intelligent terminal back board device based on piezoelectric ceramics, it is characterised in that: in the dorsal shield (1) of intelligent terminal
It is provided with piezoelectric ceramic piece (2) on inside, the center of signal wire (3) and intelligent terminal is led to from the piezoelectric ceramic piece (2)
Processor connection, is provided on the lateral surface position corresponding with piezoelectric ceramic piece (2) of the dorsal shield (1) of the intelligent terminal
Raised (4)；The piezoelectric ceramic piece (2) connect through central processing unit with a high-frequency oscillating circuits, and the high-frequency oscillating circuits produces
Raw high frequency electrical signal, high frequency electrical signal load on piezoelectric ceramic piece (2) through central processing unit.
2. the multifunctional intelligent terminal back board device according to claim 1 based on piezoelectric ceramics, it is characterised in that: described
Piezoelectric ceramic piece (2) is connected through the audio-frequency module of central processing unit and intelligent terminal, and the audio-frequency module generates audio electrical signal,
Audio electrical signal loads on piezoelectric ceramic piece (2) through central processing unit.
3. the multifunctional intelligent terminal back board device according to claim 1 or 2 based on piezoelectric ceramics, it is characterised in that:
The piezoelectric ceramic piece (2) is whole piece piezoelectric ceramic piece, and the protrusion (4) is provided at least three, two neighboring protrusion (4)
The distance between it is different.
4. the multifunctional intelligent terminal back board device according to claim 3 based on piezoelectric ceramics, it is characterised in that: described
Protrusion (4) be provided with 6 altogether, point vertical and horizontal two rows of setting, every row has 3 protrusions (4), between two protrusions (4) of arbitrary neighborhood
Distance it is different.
5. the multifunctional intelligent terminal back board device according to claim 1 or 2 based on piezoelectric ceramics, it is characterised in that:
Piezoelectric ceramic piece (2) is provided with 1 protrusion (4) above each piezoelectric ceramic piece (2) at least provided with 2.
6. the multifunctional intelligent terminal back board device according to claim 1 based on piezoelectric ceramics, it is characterised in that: described
Piezoelectric ceramic piece (2) and raised (4) are arranged on the top or lower part of dorsal shield (1).
7. the multifunctional intelligent terminal back board device according to claim 2 based on piezoelectric ceramics, it is characterised in that: described
Piezoelectric ceramic piece (2) and raised (4) are arranged on the top of dorsal shield (1).
8. the multifunctional intelligent terminal back board device according to claim 1 based on piezoelectric ceramics, it is characterised in that: described
Signal wire (3) uses flexible circuit board, and described flexible circuit board one end is connect with piezoelectric ceramic piece (2), the other end and centre
Manage device connection.
9. the multifunctional intelligent terminal back board device according to claim 1 based on piezoelectric ceramics, it is characterised in that: described
Intelligent terminal be include mobile phone, plate or the computer for being preinstalled with system software, several App softwares.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821232018.4U CN208798221U (en) | 2018-08-01 | 2018-08-01 | A kind of multifunctional intelligent terminal back board device based on piezoelectric ceramics |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821232018.4U CN208798221U (en) | 2018-08-01 | 2018-08-01 | A kind of multifunctional intelligent terminal back board device based on piezoelectric ceramics |
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| CN208798221U true CN208798221U (en) | 2019-04-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021238558A1 (en) * | 2020-05-25 | 2021-12-02 | 江西欧迈斯微电子有限公司 | Piezoelectric motor and electronic device |
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2018
- 2018-08-01 CN CN201821232018.4U patent/CN208798221U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021238558A1 (en) * | 2020-05-25 | 2021-12-02 | 江西欧迈斯微电子有限公司 | Piezoelectric motor and electronic device |
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