CN206432878U - Linear vibration electric motor - Google Patents
Linear vibration electric motor Download PDFInfo
- Publication number
- CN206432878U CN206432878U CN201720038675.4U CN201720038675U CN206432878U CN 206432878 U CN206432878 U CN 206432878U CN 201720038675 U CN201720038675 U CN 201720038675U CN 206432878 U CN206432878 U CN 206432878U
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- China
- Prior art keywords
- magnet steel
- oscillator
- driving
- electric motor
- hole
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model is related to machine field, a kind of specifically related to linear vibration electric motor of flat for portable consumer electronic product, it includes housing, oscillator, suspend the magnetcisuspension structure of oscillator and be fixed on drive vibrator on housing and do the linear driving coil for coming and going vibration, the oscillator is provided with through hole, in the through hole that driving coil is arranged on to oscillator center, also it is installed in the through hole and drives magnet steel and the second driving magnet steel with the first of driving coil adapted, the driving coil is acted on after being powered in the magnetic field that the driving magnet steel is produced by Ampere force, it is described to drive magnet steel by the reaction force of the Ampere force and then promote direction of vibration of the vibration unit along the vibration unit of reciprocating vibration.The utility model is simple and reliable for structure, not only effectively reduces motor and is integrally taken up space, and also make it that oscillator uniform force amplitude is consistent.
Description
【Technical field】
The utility model is related to machine field, and in particular to a kind of flat for portable consumer electronic product
Linear vibration electric motor.
【Background technology】
In recent years, with the development of science and technology, the especially progress at full speed of mobile communication technology, increasing mobile electron
Equipment is appeared in daily life, such as smart mobile phone, tablet personal computer, notebook computer and Rich media player
The indispensable daily necessities of people is turned into Deng, these mobile electronic devices.Generally, called avatar is wrapped again
Two kinds of auditory tone cues and vibration prompt are included, vibration prompt function both can vibrate signal in noisy environment by generation to be had
Effect prompting user, while the function of instant alerts can be realized in office spaces such as the meeting rooms of solemn solemn silence again, thus turns into
The indispensable function of mobile communication terminal device, and study carefully the realization of its function, then it is mainly whole by being arranged at mobile communication
Vibrating motor in end equipment is realized.
The vibrating motor of correlation technique includes shell, the vibration unit and spring part being contained in the shell, the spring
Part is used to the vibration unit being suspended in the shell, and the spring part is used to provide restoring force and carried for the vibration unit
For positioning and guiding.But, the vibration unit of the vibrating motor of this structure is easily shaken, and spring part is used for a long time
Can occur failure and elastic fatigue, will so influence the performance and used life of motor.In addition, the vibrating motor of this structure
Its driving coil is all to be arranged at intervals at a side of vibration unit, and this assembling mode causes the electromagnetism that driving coil is produced
Driving force is not enough.
Therefore, it is necessary to provide a kind of new linear vibration electric motor to overcome above mentioned problem.
【Utility model content】
The problem of oscillator amplitude fluctuation of the utility model in order to solve above-mentioned motor is inconsistent, and one kind is provided and linearly shaken
Dynamic motor.
The utility model linear vibration electric motor, including the housing with receiving space, the oscillator in receiving space hang
Put the magnetcisuspension structure of oscillator and be fixed on drive vibrator on housing and do the linear driving coil for coming and going vibration, wherein the oscillator bag
Vibrator body and the through hole positioned at vibrator body center are included, the driving coil includes the iron core being located in through hole and is wrapped in iron
Coil on core, the winding direction of the coil is perpendicular to the direction of vibration of oscillator, and the both sides of the driving coil are also set respectively
The the first driving magnet steel and the second driving magnet steel of separation are equipped with, the first driving magnet steel and the second driving magnet steel are set relatively respectively
It is connected setting in the through hole and with oscillator.
Further, the first driving magnet steel, driving coil and the second driving magnet steel are located at the vibration-type linear rail of oscillator
On mark direction.
Further, the pole orientation of the first driving magnet steel and the second driving magnet steel is relative for homopolarity.
Further, the through hole is the through hole that runs through of a rectangle, centre of the driving coil positioned at through hole.
Further, the iron core is in circle core sheet, and the coil is wrapped in the edge of sheet iron core.
Further, the outer edge part of the coil is adhesively fixed on housing.
Further, the first driving magnet steel and the second driving magnet steel rectangle in the form of sheets.
Further, the magnetcisuspension structure includes the outer steel being fixed on housing, and is set with outer steel relative spacing
It is fixed on the interior magnet steel on oscillator.
The utility model linear vibration electric motor, including housing, oscillator, suspend oscillator magnetcisuspension structure and be fixed on housing
Drive vibrator does the linear driving coil for coming and going vibration, and the oscillator is provided with through hole, and driving coil is arranged on into oscillator center
Also it is installed in through hole, in the through hole and drives magnet steel and the second driving magnet steel, the driving with the first of driving coil adapted
Acted on after coil electricity in the magnetic field that the driving magnet steel is produced by Ampere force, the driving magnet steel is by the Ampere force
Reaction force so that promote the direction of vibration of the vibration unit along the vibration unit of reciprocating vibration.The utility model structure
It is simple and reliable, not only effectively reduce motor and integrally taken up space, also make it that oscillator uniform force amplitude is consistent.
【Brief description of the drawings】
Fig. 1 is the stereochemical structure decomposing schematic representation of the utility model linear vibration electric motor；
Fig. 2 is the profile of the stereochemical structure of the utility model linear vibration electric motor；
Fig. 3 is the cross-section structure front view of the utility model linear vibration electric motor.
【Embodiment】
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
It is the utility model linear vibration electric motor please refer to Fig. 1 to Fig. 3, it includes the housing with receiving space,
Lower cover 10 of the housing including rectangular upper casing 20 and with the adapted of upper casing 20, constitutes motor integrally rectangular.Described
Housed in housing and be provided with rectangular oscillator 40, suspended the magnetcisuspension structure 50 of oscillator 40 and be fixed on drive vibrator 40 on housing
Do the linear driving coil 30 for coming and going vibration.In the present embodiment, the magnetcisuspension structure 50 of oscillator 40 is suspended with magnetic suspension principle
Including the outer steel 51 being fixed on housing, and with the relative spacing of outer steel 51, the interior magnet steel 52 being fixed on oscillator 40 is set.
The outer steel 51 and interior magnet steel 52 are distributed around oscillator 40 to be set to suspend oscillator 40.In addition, described mounting structure
50 are not limited to above-mentioned outer steel 51 and the structure of interior magnet steel 52, it is also possible to which spring leaf suspends oscillator, is not repeated herein.
In the present embodiment, the oscillator 40 includes vibrator body 41 and the through hole 42 positioned at the center of vibrator body 41, described
Through hole 42 is the through hole that runs through of a rectangle, centre of the driving coil 30 positioned at through hole 42.The driving coil 30 includes
Iron core 32 and the coil 31 being wrapped on iron core 32 in through hole 42, the winding direction of the coil 31 is perpendicular to oscillator 40
Direction of vibration.The iron core 32 is in circle core sheet, and the coil 31 is wrapped in the edge of sheet iron core 32.In addition, described drive
The both sides of moving winding 30 are also respectively provided with the first driving magnet steel 42a and the second driving magnet steel 42b of separation, first driving
The drivings of magnet steel 42a and second magnet steel 42b is oppositely arranged in the through hole 42 and is connected with vibrator body 41 respectively.Tool
Body is joined shown in Fig. 3, and the first driving magnet steel 42a is located at one end of through hole 42, and the second driving magnet steel 42b is located at the another of the through hole 42
One end, driving coil 30 is located at the first driving magnet steel 42a and the second driving magnet steel 42b centre.
In the present embodiment, the first driving magnet steel 42a, the driving magnet steel of driving coil 30 and second 42b are located at oscillator
On 40 vibration-type linear course bearing.The first driving magnet steel 42a and the second driving magnet steel 42b pole orientation are homopolarity phase
It is right.In other words, the first driving magnet steel 42a and the second driving magnet steel 42b are S poles towards the magnetic pole of driving coil 30 or are
N poles.The first driving magnet steel 42a and the second driving magnet steel 42b rectangle in the form of sheets.Certainly driving magnet steel is not precluded from may be used also
It is such as of the same size discoid with driving coil to be designed to other shapes, dome-type etc..
Further, the outer edge part of the coil 32 is adhesively fixed on housing.In the present embodiment, coil 32 is fixed
Electrically connected on lower cover 10 with circuit board.
The utility model linear vibration electric motor, the oscillator 40 is provided with through hole 42, and driving coil 30 is arranged on into oscillator 40
In the through hole 42 in center, also it is installed in the through hole 42 and drives the drivings of magnet steel 42a and second with the first of driving coil adapted
Magnet steel 42b, the driving coil is acted on after being powered in the magnetic field that the driving magnet steel is produced by Ampere force, the driving
Magnet steel by the Ampere force reaction force so that promote the direction of vibration of the vibration unit along the vibration unit back and forth to shake
It is dynamic.The utility model is simple and reliable for structure, not only effectively reduces motor and is integrally taken up space, also oscillator uniform force is shaken
Width is consistent.
Above-described is only embodiment of the present utility model, it should be noted here that for the ordinary skill of this area
For personnel, on the premise of the utility model creation design is not departed from, improvement can also be made, but these belong to this practicality
New protection domain.
Claims (8)
1. a kind of linear vibration electric motor, including：Housing with receiving space, the oscillator in receiving space suspends oscillator
Magnetcisuspension structure and be fixed on drive vibrator on housing and do the linear driving coil for coming and going vibration, wherein the oscillator includes oscillator
Main body and the through hole positioned at vibrator body center, the driving coil include the iron core being located in through hole and are wrapped on iron core
Coil, the winding direction of the coil is perpendicular to the direction of vibration of oscillator, and the both sides of the driving coil are also respectively provided with point
From the first driving magnet steel and the second driving magnet steel, the first driving magnet steel and the second driving magnet steel are oppositely arranged are located at respectively
It is connected in the through hole and with oscillator.
2. linear vibration electric motor according to claim 1, it is characterised in that：It is described first driving magnet steel, driving coil and
Second driving magnet steel is located on the vibration-type linear course bearing of oscillator.
3. linear vibration electric motor according to claim 1 or 2, it is characterised in that：The first driving magnet steel and second drives
The pole orientation of dynamic magnet steel is relative for homopolarity.
4. linear vibration electric motor according to claim 3, it is characterised in that：The through hole runs through through hole for a rectangle,
The driving coil is located at the centre of through hole.
5. the linear vibration electric motor according to claim 1 or 4, it is characterised in that：The iron core is in circle core sheet, the line
Circle is wrapped in the edge of sheet iron core.
6. linear vibration electric motor according to claim 5, it is characterised in that：The outer edge part of the coil is adhesively fixed
On housing.
7. linear vibration electric motor according to claim 6, it is characterised in that：The first driving magnet steel and the second driving magnetic
Steel rectangle in the form of sheets.
8. the linear vibration electric motor according to claim 1 or 7, it is characterised in that：The magnetcisuspension structure includes being fixed on shell
Outer steel on body, and the interior magnet steel being fixed on oscillator is set with outer steel relative spacing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720038675.4U CN206432878U (en) | 2017-01-12 | 2017-01-12 | Linear vibration electric motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720038675.4U CN206432878U (en) | 2017-01-12 | 2017-01-12 | Linear vibration electric motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206432878U true CN206432878U (en) | 2017-08-22 |
Family
ID=59582127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720038675.4U Expired - Fee Related CN206432878U (en) | 2017-01-12 | 2017-01-12 | Linear vibration electric motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206432878U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109660101A (en) * | 2019-01-25 | 2019-04-19 | 信利光电股份有限公司 | A kind of linear oscillator mould group |
| WO2020134378A1 (en) * | 2018-12-27 | 2020-07-02 | 瑞声声学科技(深圳)有限公司 | Linear vibration motor |
| WO2021134249A1 (en) * | 2019-12-30 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Linear vibration motor |
-
2017
- 2017-01-12 CN CN201720038675.4U patent/CN206432878U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020134378A1 (en) * | 2018-12-27 | 2020-07-02 | 瑞声声学科技(深圳)有限公司 | Linear vibration motor |
| CN109660101A (en) * | 2019-01-25 | 2019-04-19 | 信利光电股份有限公司 | A kind of linear oscillator mould group |
| WO2021134249A1 (en) * | 2019-12-30 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Linear vibration motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170822 Termination date: 20220112 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |