CN106026764A - Piezoelectric linear vibration type mobile phone vibration motor and mechanical vibration amplifying mechanism - Google Patents
Piezoelectric linear vibration type mobile phone vibration motor and mechanical vibration amplifying mechanism Download PDFInfo
- Publication number
- CN106026764A CN106026764A CN201610617229.9A CN201610617229A CN106026764A CN 106026764 A CN106026764 A CN 106026764A CN 201610617229 A CN201610617229 A CN 201610617229A CN 106026764 A CN106026764 A CN 106026764A
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- piezoelectric
- push rod
- piezoelectric patches
- mobile phone
- vibration
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- 230000005611 electricity Effects 0.000 claims description 6
- 230000010355 oscillation Effects 0.000 claims description 6
- 239000004020 conductor Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 14
- 239000010409 thin film Substances 0.000 abstract description 3
- 239000012528 membrane Substances 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/02—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing linear motion, e.g. actuators; Linear positioners ; Linear motors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/02—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing linear motion, e.g. actuators; Linear positioners ; Linear motors
- H02N2/04—Constructional details
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- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Telephone Set Structure (AREA)
Abstract
The invention relates to the technical field of mobile phone vibration devices, in particular to a piezoelectric linear vibration type mobile phone vibration motor and a mechanical vibration amplifying mechanism. The piezoelectric linear vibration type mobile phone vibration motor comprises a shell. The shell is internally provided with a vibration assembly and a linear module. The vibration assembly comprises an elastic membrane arranged in the shell, and a first piezoelectric patch and a second piezoelectric patch are installed on the two sides of the elastic membrane respectively. The first piezoelectric patch and the second piezoelectric patch can be machined into thin slice shapes and even thin films. By means of the reasonable design, the thickness of the vibration motor can be reduced to 2 mm or below, and the piezoelectric linear vibration type mobile phone vibration motor can meet the development tendency of miniaturization and ultrathinness of mobile phones. Due to the fact that the piezoelectric patches have high energy density, high power can be achieved with small sizes; reciprocating mechanical movement produced by the piezoelectric patches can be amplified through a mechanical vibration amplifying mechanism and then coupled to a mobile phone shell and other hard objects, and an intensive linear vibration effect can be produced.
Description
Technical field
The present invention relates to a kind of piezoelectric straight line oscillating mode mobile phone vibrating motor and mechanical vibration enlarger,
Belong to mobile phone vibrating device technical field.
Background technology
In order to prevent missing phone or in order to strengthen prompting at noisy environment, electronic product is often
It is provided with vibrating function, the electronic product that everyone can carry with as mobile phone so especially, need
The timely prompting of information is reached by vibration.Existing vibrating device is generally turned with being arranged on by motor
Counterweight eccentric composition on sub-axle, its operation principle is: utilize rotor band movable eccentric wheel to rotate,
Due to eccentric cause on load asymmetric, produce a machine with certain frequency of vibration and amplitude
Tool vibrates, and is delivered to by this vibration wave on phone housing or its peripheral structure the most again, makes phone housing
Or peripheral structure vibrates, sent a telegram here by vibration prompt.From the point of view of operation principle, its advantage is work
Making principle reliable, manufacturing processing technic is ripe, but, its defect is that existing vibrating motor must have and turns
This rotary part of son, and it has been operated in again the relatively bad working environments such as brush, bias and high speed rotating, right
Brush, diverter, bearing material require higher, and its vibration produced is rotated versions, works as hands
When machine is placed in the plane, its vibration will rotate together with mobile phone, and mobile phone exists the danger dropped.
Along with the thin type of electronic product, the thickness requirement of vibrating motor is reduced to 2 millimeters even more
Thin, but limited by existing vibrating motor structure, even chip vibrating motor, it is also difficult to accomplish
Less than 3 millimeters.
Summary of the invention
It is an object of the invention to the defect overcoming prior art to exist, it is provided that a kind of miniaturization and vibration effect
The best piezoelectric straight line oscillating mode mobile phone vibrating motor.
The technical solution adopted for the present invention to solve the technical problems is:
The piezoelectric straight line oscillating mode mobile phone vibrating motor of the present invention includes shell, is provided with in described shell
Vibration component and straight line module, described vibration component includes the flexible sheet being arranged in described shell,
The both sides of described flexible sheet are separately installed with the first piezoelectric patches and the second piezoelectric patches, described flexible sheet
Conducting electricity with described first piezoelectric patches and the second piezoelectric patches respectively, described vibration component connects power supply mould
Block, the first outfan of described power module electrically connects with described flexible sheet, described power module
Second outfan electrically connects with described first piezoelectric patches and the second piezoelectric patches respectively, described straight line module bag
Include the first push rod and the second push rod being slidably mounted in described shell, described first push rod and described the
One piezoelectric patches is fixing to be connected, and described second push rod is fixing with described second piezoelectric patches to be connected.
Shell of the present invention be respectively arranged at two ends with the first block and the second block, described first push rod
One end be slidably mounted in the pilot hole of described first block, the other end of described first push rod with
Described first piezoelectric patches is fixing to be connected, and one end of described second push rod is slidably mounted on described second block
Pilot hole in, the other end of described second push rod and described second piezoelectric patches are fixing to be connected.
First push rod of the present invention is fixed with unsettled first near one end of described first piezoelectric patches
Mass, is provided with the first stage clip, described first compression spring sleeve between described first mass and the first block
It is located on described first push rod.
Second push rod of the present invention is fixed with unsettled second near one end of described second piezoelectric patches
Mass, is provided with the second stage clip, described second compression spring sleeve between described second mass and the second block
It is located on described second push rod.
Flexible sheet of the present invention is made of an electrically conducting material.
Power module of the present invention connects power-supply controller of electric.
The present invention also provides for a kind of mechanical vibration enlarger, for above-mentioned piezoelectric straight line oscillating mode hands
Machine vibration motor, including push rod and the mass being fixed on push rod, slide and pacify in one end of described push rod
Being contained in described shell, the other end of described push rod is fixing connects piezoelectric patches.
Being arranged with stage clip on push rod of the present invention, mass is pressed to described piezoelectric patches by described stage clip.
Piezoelectric straight line oscillating mode mobile phone vibrating motor of the present invention has a following effect:
1) piezoelectric patches can be processed into flake, even thin film, by reasonably design, can will shake
The thickness of dynamic motor is reduced to less than 2 millimeters, can meet the development trend of mobile phone miniaturization, ultrathin；
2) due to piezoelectric patches, there is higher energy density, therefore can accomplish small-volume large-power, and
The shuttle mechanism motion that can be produced by piezoelectric patches, is amplified by mechanical vibration enlarger, again is coupled to
In the hard objects such as hand set machine shell, stronger straight-line oscillation effect can be produced；
3) piezoelectric patches working band width from per second several times to expansion back and forth and the contraction of hundreds of thousands per second time,
Can steady operation.Therefore different frequency and the signal of telecommunication of amplitude can be produced by power module,
Making piezoelectric patches produce different frequency and the mechanical vibration of varying strength or sound, this is that existing rotation is shaken
Galvanic electricity machine is difficult to accomplish.
Accompanying drawing explanation
The present invention is further detailed explanation with detailed description of the invention below in conjunction with the accompanying drawings.
Fig. 1 is the piezoelectric straight line oscillating mode mobile phone vibrating motor overall structure schematic diagram of the present invention；
Fig. 2 is the piezoelectric straight line oscillating mode mobile phone vibrating motor top view of the present invention；
Fig. 3 is the piezoelectric straight line oscillating mode mobile phone vibrating motor internal structure schematic diagram of the present invention；
The piezoelectric straight line oscillating mode mobile phone vibrating motor of Fig. 4 present invention polarizes to the right schematic diagram；
The piezoelectric straight line oscillating mode mobile phone vibrating motor of Fig. 5 present invention polarizes schematic diagram to the left.
Wherein: 1. shell, 2. the first block, 3. the first spring, 4. the first mass, 5. first
Push rod, 6. the second push rod, 7. the second block, 8. the second spring, 9. the second mass, 10. first
Piezoelectric patches, 11. flexible sheets, 12. second piezoelectric patches.
Detailed description of the invention
In describing the invention, it is to be understood that term " radially ", " axially ", " on ",
The orientation of the instruction such as D score, " top ", " end ", " interior ", " outward " or position relationship are for based on accompanying drawing institute
The orientation shown or position relationship, be for only for ease of the description present invention and simplify description rather than instruction
Or the device of hint indication or element must have specific orientation, with specific azimuth configuration and behaviour
Make, be therefore not considered as limiting the invention.In describing the invention, except as otherwise noted,
" multiple " are meant that two or more.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, art
Language " is installed ", " setting ", " connection " should be interpreted broadly, and connects, also for example, it may be fixing
Can be to removably connect, or be integrally connected；Can be to be joined directly together, it is also possible to by middle matchmaker
Jie is indirectly connected to.For the ordinary skill in the art, on can understanding as the case may be
State term concrete meaning in the present invention.
As Figure 1-5, the piezoelectric straight line oscillating mode mobile phone vibrating motor of the present embodiment includes shell 1,
Being provided with vibration component and straight line module in shell 1, vibration component includes the bullet being arranged in shell 1
Property diaphragm 11, the both sides of flexible sheet 11 are separately installed with the first piezoelectric patches 10 and the second piezoelectric patches
12, flexible sheet 11 is made of an electrically conducting material, flexible sheet 11 respectively with the first piezoelectric patches 10 and
Second piezoelectric patches 12 conducts electricity, and vibration component connects power module, and power module connects power supply control
Device processed, the first outfan of power module electrically connects with flexible sheet 11, and the second of power module is defeated
Going out end to electrically connect with the first piezoelectric patches 10 and the second piezoelectric patches 12 respectively, straight line module includes peace of sliding
The first push rod 5 and the second push rod 6 being contained in shell 1, the first push rod 5 and the first piezoelectric patches 10
Fixing connection, the second push rod 6 is fixing with the second piezoelectric patches 12 to be connected.Specifically, the two of shell 1
End is respectively equipped with the first block 2 and the second block 7, and one end of the first push rod is slidably mounted on first gear
In the pilot hole of block 2, the other end of the first push rod is fixing with the first piezoelectric patches 10 to be connected, and second
One end of push rod is slidably mounted in the pilot hole of the second block 7, the other end of the second push rod and the
Two piezoelectric patches 12 are fixing to be connected.
Under normal conditions, the first piezoelectric patches 10 and the second piezoelectric patches 12 are in off-position, when mobile phone is sent out
When going out signal, the power-supply controller of electric in mobile phone can control power module and first apply to flexible sheet 11
Voltage, now the first piezoelectric patches 10 and the second piezoelectric patches 12 will drive elastica due to inverse piezoelectric effect
Sheet 11 flexural deformation the most to the right, produces amplitude to the right, subsequently, flexible sheet 11 power-off, electricity
Source module applies voltage to the first piezoelectric patches 10 and the second piezoelectric patches 12, the first piezoelectric patches 10 and
Two piezoelectric patches 12 will drive flexible sheet 11 flexural deformation the most to the left, be consequently formed a vibration week
Phase, when the power controller controls power module output AC signal of telecommunication, the first push rod 5, second push away
Bar the 6, first piezoelectric patches 10 side-to-side movement together with the second piezoelectric patches 12, thus form straight-line oscillation,
Then vibrating motor drives mobile phone vibration.
The first piezoelectric patches 10 and the second piezoelectric patches 12 in the present embodiment can be processed into flake, even
It is thin film, by reasonably design, the thickness of vibrating motor can be reduced to less than 2 millimeters, can be full
Foot mobile phone miniaturization, the development trend of ultrathin.
Owing to piezoelectric patches has higher energy density, small-volume large-power, Er Qieke therefore can be accomplished
The shuttle mechanism that piezoelectric patches produces is moved through suitable mechanical vibration enlarger be amplified, then
It is coupled in the hard objects such as hand set machine shell, stronger straight-line oscillation effect, above-mentioned can be produced
One push rod 5 and the second push rod 6 are possible not only to play the effect of guiding, also may be used under the driving of piezoelectric patches
To produce contact vibration with shell 1, increase straight-line oscillation effect.
The first piezoelectric patches 10 in the present embodiment and the working band width of the second piezoelectric patches 12 are from per second several
The secondary expansion back and forth to hundreds of thousands per second time and shrink can steady operation, therefore can allow power supply control
Device processed controls power module and produces different frequency and the signal of telecommunication of amplitude so that the first piezoelectric patches 10 He
Second piezoelectric patches 12 produces different frequency and the mechanical vibration of varying strength or sound, and this is existing rotation
Turn what vibrating motor was difficult to accomplish.Certainly the power-supply controller of electric in the present embodiment can also replace with special
Integrated circuit or signal generator, coordinate the signal of telecommunication producing different frequency with power module.
The present embodiment also provides for a kind of mechanical vibration enlarger, to strengthen straight-line oscillation effect, this machine
Tool vibration enlarger includes push rod and the mass being fixed on push rod, and one end of push rod is slidably installed
In shell 1, the other end of push rod is fixing connects piezoelectric patches, push rod is also arranged with stage clip, pressure
Mass is pressed to piezoelectric patches by spring, and mass is unsettled, can increase vibrating effect by mass.
The concrete mode of the piezoelectric straight line oscillating mode mobile phone vibrating motor being applied to the present embodiment is as follows, the
One push rod 5 is fixed with the first unsettled mass 4, the first matter near one end of the first piezoelectric patches 10
Being provided with the first stage clip 3 between gauge block 4 and the first block 2, the first stage clip 3 is set in the first push rod 5
On, the second push rod 6 is fixed with the second unsettled mass 9 near one end of the second piezoelectric patches 12,
Being provided with the second stage clip 8 between second mass 9 and the second block 7, the second stage clip 8 is set in second
On push rod 6.
The operation principle of above-mentioned mechanical vibration enlarger is as follows: power module output voltage is to elastica
Time on sheet 11, the first piezoelectric patches 10 and the second piezoelectric patches 12 flexural deformation to the right, and promote second
Push rod 6 and the second mass 9 move right, and compress the second stage clip 8, now the first push rod 5 and
One mass 4, under the restoring force effect of the first stage clip 3, also moves right, and is consequently formed vibration horse
Reach amplitude to the right.Then, power module output voltage is to the first piezoelectric patches 10 and the second piezoelectric patches
Time on 12, the first piezoelectric patches 10 and the second piezoelectric patches 12 flexural deformation to the left, and promote first to push away
Bar 5 and the first mass 4, to left movement, compress the first stage clip 3, now the second push rod 6 and second
Mass 9, under the restoring force effect of the second stage clip 8, also to left movement, is consequently formed vibrating motor
Amplitude to the left.When the power module output AC signal of telecommunication, the first mass 4 and the second mass
9 by side-to-side movement under the effect of the first piezoelectric patches 10 and the second piezoelectric patches 12, thus forms straight line
Vibration, the first mass 4 and the second mass 9 are unsettled, and this mechanical vibration enlarger can be significantly
Strengthen the vibrating effect of mobile phone.
Should be appreciated that specific embodiment described above is only used for explaining the present invention, be not used to limit
Determine the present invention.The obvious change extended out by the spirit of the present invention or variation are still in this
Among bright protection domain.
Claims (8)
1. a piezoelectric straight line oscillating mode mobile phone vibrating motor, including shell (1), it is characterised in that:
Being provided with vibration component and straight line module in described shell (1), described vibration component includes being arranged on
Flexible sheet (11) in described shell (1), the both sides of described flexible sheet (11) are respectively mounted
Have the first piezoelectric patches (10) and the second piezoelectric patches (12), described flexible sheet (11) respectively with institute
Stating the first piezoelectric patches (10) and the second piezoelectric patches (12) conduction, described vibration component connects power supply
Module, the first outfan of described power module electrically connects with described flexible sheet (11), described electricity
Second outfan of source module is electric with described first piezoelectric patches (10) and the second piezoelectric patches (12) respectively
Connect, described straight line module include the first push rod (5) of being slidably mounted in described shell (1) and
Second push rod (6), described first push rod (5) is fixing with described first piezoelectric patches (10) to be connected,
Described second push rod (6) is fixing with described second piezoelectric patches (12) to be connected.
Piezoelectric straight line oscillating mode mobile phone vibrating motor the most according to claim 1, its feature exists
It is respectively arranged at two ends with the first block (2) and the second block (7) in: described shell (1), described
One end of first push rod is slidably mounted in the pilot hole of described first block (2), and described first pushes away
The other end of bar is fixing with described first piezoelectric patches (10) to be connected, and one end of described second push rod is sliding
In the dynamic pilot hole being arranged on described second block (7), the other end of described second push rod and institute
State the fixing connection of the second piezoelectric patches (12).
Piezoelectric straight line oscillating mode mobile phone vibrating motor the most according to claim 2, its feature exists
In: described first push rod (5) is fixed with unsettled near one end of described first piezoelectric patches (10)
First mass (4), is provided with the first pressure between described first mass (4) and the first block (2)
Spring (3), described first stage clip (3) is set on described first push rod (5).
Piezoelectric straight line oscillating mode mobile phone vibrating motor the most according to claim 3, its feature exists
In: described second push rod (6) is fixed with unsettled near one end of described second piezoelectric patches (12)
Second mass (9), is provided with the second pressure between described second mass (9) and the second block (7)
Spring (8), described second stage clip (8) is set on described second push rod (6).
Piezoelectric straight line oscillating mode mobile phone vibrating motor the most according to claim 1, its feature exists
In: described flexible sheet (11) is made of an electrically conducting material.
Piezoelectric straight line oscillating mode mobile phone vibrating motor the most according to claim 1, its feature exists
In: described power module connects power-supply controller of electric.
7. a mechanical vibration enlarger, for the pressure as described in claim 1-6 any one
Electricity straight-line oscillation type mobile phone vibrating motor, it is characterised in that: include push rod and the matter being fixed on push rod
Gauge block, one end of described push rod is slidably mounted in described shell (1), other the one of described push rod
End is fixing connects piezoelectric patches.
Mechanical vibration enlarger the most according to claim 7, it is characterised in that push away described in:
Being arranged with stage clip on bar, mass is pressed to described piezoelectric patches by described stage clip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610617229.9A CN106026764B (en) | 2016-07-29 | 2016-07-29 | A kind of piezoelectric straight line oscillating mode mobile phone vibrating motor and mechanical oscillation enlarger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610617229.9A CN106026764B (en) | 2016-07-29 | 2016-07-29 | A kind of piezoelectric straight line oscillating mode mobile phone vibrating motor and mechanical oscillation enlarger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106026764A true CN106026764A (en) | 2016-10-12 |
| CN106026764B CN106026764B (en) | 2019-01-08 |
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| CN201610617229.9A Active CN106026764B (en) | 2016-07-29 | 2016-07-29 | A kind of piezoelectric straight line oscillating mode mobile phone vibrating motor and mechanical oscillation enlarger |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113595441A (en) * | 2020-04-30 | 2021-11-02 | 维沃移动通信有限公司 | Motor and electronic device |
| CN113765432A (en) * | 2020-06-04 | 2021-12-07 | 维沃移动通信有限公司 | Motor and electronic device |
| CN113965103A (en) * | 2020-07-20 | 2022-01-21 | 维沃移动通信有限公司 | Motor and electronic device |
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| CN105186824A (en) * | 2015-08-18 | 2015-12-23 | 歌尔声学股份有限公司 | Flexible vibration motor |
| CN105450080A (en) * | 2016-01-06 | 2016-03-30 | 常州激振电子科技有限公司 | Thin film sheet type piezoelectric mobile phone vibration motor |
| CN105680663A (en) * | 2016-04-19 | 2016-06-15 | 金龙机电股份有限公司 | Linear motor |
| CN206237332U (en) * | 2016-07-29 | 2017-06-09 | 常州激振电子科技有限公司 | A kind of piezoelectric straight line oscillating mode mobile phone vibrating motor and mechanical oscillation enlarger |
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2016
- 2016-07-29 CN CN201610617229.9A patent/CN106026764B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105186824A (en) * | 2015-08-18 | 2015-12-23 | 歌尔声学股份有限公司 | Flexible vibration motor |
| CN105450080A (en) * | 2016-01-06 | 2016-03-30 | 常州激振电子科技有限公司 | Thin film sheet type piezoelectric mobile phone vibration motor |
| CN105680663A (en) * | 2016-04-19 | 2016-06-15 | 金龙机电股份有限公司 | Linear motor |
| CN206237332U (en) * | 2016-07-29 | 2017-06-09 | 常州激振电子科技有限公司 | A kind of piezoelectric straight line oscillating mode mobile phone vibrating motor and mechanical oscillation enlarger |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113595441A (en) * | 2020-04-30 | 2021-11-02 | 维沃移动通信有限公司 | Motor and electronic device |
| CN113595441B (en) * | 2020-04-30 | 2023-12-08 | 维沃移动通信有限公司 | Motor and electronic device |
| CN113765432A (en) * | 2020-06-04 | 2021-12-07 | 维沃移动通信有限公司 | Motor and electronic device |
| WO2021244570A1 (en) * | 2020-06-04 | 2021-12-09 | 维沃移动通信有限公司 | Motor and electronic device |
| CN113765432B (en) * | 2020-06-04 | 2022-11-15 | 维沃移动通信有限公司 | Motor and electronic device |
| CN113965103A (en) * | 2020-07-20 | 2022-01-21 | 维沃移动通信有限公司 | Motor and electronic device |
Also Published As
| Publication number | Publication date |
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| CN106026764B (en) | 2019-01-08 |
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Address after: 215021 Suzhou Industrial Park, Jiangsu Province, water Road No. 388 Patentee after: Suzhou GaoKai Precision Technology Co., Ltd Address before: 215021 Suzhou Industrial Park, Jiangsu Province, water Road No. 388 Patentee before: SUZHOU ZHONGCHU KEGONG PRECISION TECHNOLOGY Co.,Ltd. |
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