CN209088783U - Linear vibration electric motor - Google Patents
Linear vibration electric motor Download PDFInfo
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- CN209088783U CN209088783U CN201920819248.9U CN201920819248U CN209088783U CN 209088783 U CN209088783 U CN 209088783U CN 201920819248 U CN201920819248 U CN 201920819248U CN 209088783 U CN209088783 U CN 209088783U
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- magnet steel
- electric motor
- linear vibration
- vibration electric
- extension
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Abstract
The utility model relates to a kind of linear vibration electric motors, including the shell with accommodating space and it is contained in the intracorporal oscillator of the shell and stator, a wherein side for the oscillator and the stator includes solenoid, another party of the oscillator and the stator includes magnetic structure, the magnetic structure includes magnetic conduction bracket and four blocks of magnet steel, four blocks of magnet steel are arranged around magnetic conduction bracket, and the solenoid includes iron core, first coil and the second coil.The utility model has the beneficial effects that: vibrating oscillator in two different directions by winding two coils being arranged in a mutually vertical manner on iron core, realize that linear vibration electric motor forms two resonance peaks on acceleration frequency response curve.
Description
Technical field
The utility model relates to technical field of motors more particularly to a kind of linear vibration electric motors.
Background technique
With the development of electronic technology, portable consumer electronic product is increasingly pursued by people, such as mobile phone, palm
Game machine, navigation device or palm multimedia entertainment equipment etc., these electronic products can all use vibrating motor generally to do and be
System feedback, such as incoming call prompting, information alert, navigation hint, vibrational feedback of game machine of mobile phone etc..So widely answer
With, it is desirable to the performance of vibrating motor is high, long service life.
In the related technology, linear vibration electric motor is often only by the driving force on single direction, that is to say, that linear oscillator electricity
Machine can only generate the seismaesthesia on the single direction, will not inspire the mode on the other directions of spring, therefore, in acceleration frequency response
Only one resonance peak on curve.
Therefore, a kind of new linear vibration electric motor solution above-mentioned technical problem must be provided by having in fact.
Summary of the invention
The purpose of this utility model is to provide a kind of linear vibration electric motor, linear oscillator electricity in the related technology is solved
Machine is only one resonance peak on acceleration frequency response curve the technical issues of.
In order to solve the above-mentioned technical problem, the utility model provides a kind of linear vibration electric motor, including has first to receive
Hold the shell in space and be contained in the intracorporal oscillator of the shell and stator, a wherein side for the oscillator and the stator includes
Another party of solenoid, the oscillator and the stator includes magnetic structure, and the magnetic structure includes:
It is divided into the first magnet steel and the second magnet steel that the solenoid both ends are oppositely arranged, first magnet steel and described
Two magnet steel homopolarities are oppositely arranged；
It is divided into the third magnet steel and the 4th magnet steel that the solenoid two sides are oppositely arranged, the third magnet steel and described the
Four magnet steel homopolarities are oppositely arranged；And
Magnetic conduction bracket with the second accommodating space, first magnet steel, second magnet steel, the third magnet steel, institute
It states the 4th magnet steel and the solenoid is contained in second accommodating space, and first magnet steel, second magnetic
Steel, the third magnet steel and the 4th magnet steel are arranged around the solenoid and are fixedly arranged on the interior of the magnetic conduction bracket respectively
Side surface；
The solenoid include iron core, wind along first direction the iron core surface and with first magnet steel and described the
Two magnet steel effect first coil and wind in a second direction the iron core surface and with the third magnet steel and the described 4th
Second coil of magnet steel effect, the first direction are not parallel to the second direction.
Preferably, the first direction and the second direction are orthogonal.
Preferably, the iron core includes main part and the extension for being located at the main part opposite end, described
Second coil winding is in the main part periphery and between the extension.
Preferably, orthographic projection of the outer peripheral edge of second coil far from the main part on the extension is all fallen
Enter the extension.
Preferably, the first coil is sheathed on the extension, the both ends of the first coil respectively with the extension
The opposite end surface in portion flushes.
Preferably, the extension corresponds to the main part through through-hole is offered, and the main part is close to the extension
The end in portion is installed on the through-hole and fixes with the extension, and second coil is held between the extension.
Preferably, the stator is fixed on the shell, and the stator includes the solenoid, and the oscillator includes institute
State magnetic structure.
Preferably, the oscillator further includes the clump weight around magnetic conduction bracket setting, and the magnetic conduction bracket is fixedly arranged on
The clump weight.
Preferably, the linear vibration electric motor further include be contained in the shell and mount supports described in oscillator elasticity
Supporting element, the elastic supporting member for supporting optical member include the first fixed arm for being fixed on the clump weight, are fixed on the second solid of the shell
The elasticity arm of fixed arm and connection first fixed arm and second fixed arm.
Preferably, first fixed arm and second fixed arm are located at the two sides of the clump weight, described to match
Pouring weight and second fixed arm interval are arranged.
Preferably, the shell include along the top cover set gradually perpendicular to the linear vibration electric motor direction of vibration, in
Frame and bottom cover, the linear vibration electric motor further include between the top cover and the clump weight and the bottom cover and institute
State the bolster between clump weight.
Preferably, the bolster is fixedly arranged on the shell, and the clump weight corresponds to the position concave shape of the bolster
Cheng Yourang bit space.
The utility model has the beneficial effects that: by winding two coils being arranged in a mutually vertical manner on iron core, so that
Oscillator can vibrate in two different directions, realize that linear vibration electric motor forms two resonance on acceleration frequency response curve
Peak.
Detailed description of the invention
Fig. 1 is the stereogram exploded view of the utility model linear vibration electric motor.
Fig. 2 is the cross-sectional view along the utility model linear vibration electric motor longitudinal direction.
Fig. 3 is the perspective view along the utility model linear solenoid.
Fig. 4 is the part-structure main view of the utility model linear vibration electric motor.
Specific embodiment
The utility model is described in further detail with embodiment with reference to the accompanying drawing.Following embodiment is for illustrating
The utility model, but be not intended to limit the scope of the present invention.
It please refers to shown in Fig. 1 and 2, the utility model provides a kind of linear vibration electric motor 100, including has the first receiving
The shell 1 in space, the oscillator 2 and stator 3 being contained in the shell 1, and the elastic supporting member for supporting optical member of the resilient support oscillator 2
4.A wherein side for the oscillator 2 and the stator 3 includes solenoid 31, and another party of the oscillator 2 and the stator 3 includes
Magnetic structure 21.In a preferred embodiment of the invention, the stator 3 includes the solenoid 31, and the oscillator 2 includes described
Magnetic structure 21, the stator 3 are fixedly arranged on the shell 1.
The magnetic structure 21 include the first magnet steel 211, the second magnet steel 212, third magnet steel 213, the 4th magnet steel 214 and
Magnetic conduction bracket 215.The 215 rectangular frame-shaped structure of magnetic conduction bracket, specifically, the magnetic conduction bracket 215 can be two-piece type,
I.e. two L shape sheet magnetic conduction sheets are combined into rectangular box-like structure；Either four-piece type, respectively correspond each magnet steel have one it is plate
Magnetic conduction sheet, four surround rectangular box-like structure.First magnet steel 211, second magnet steel 212, the third magnet steel 213 with
And the 4th magnet steel 214 is fixedly arranged on the inner surface of the magnetic conduction bracket 215 respectively.
First magnet steel 211 and second magnet steel 212 are divided into 31 both ends of solenoid, first magnet steel
211 and 212 homopolarity of the second magnet steel be oppositely arranged.
The third magnet steel 213 and the 4th magnet steel 214 are divided into 31 two sides of solenoid, the third magnet steel
213 are oppositely arranged with 214 homopolarity of the 4th magnet steel, and the third magnet steel 213 is opposite with 214 homopolarity of the 4th magnet steel
The magnetic pole pole polarity opposite with first magnet steel 211 and 212 homopolarity of the second magnet steel is on the contrary, as shown in figure 4, in this reality
With in novel specific embodiment, the S of first magnet steel 211 and second magnet steel 212 is extremely opposite, the third magnet steel
213 and the 4th magnet steel 214 N it is extremely opposite.
The 215 rectangular frame-shaped structure of magnetic conduction bracket, and there is the second accommodating space, it is first magnet steel 211, described
Second magnet steel 212, the third magnet steel 213, the 4th magnet steel 214 and the solenoid 31 are contained in described second and receive
Hold in space, and first magnet steel 211, second magnet steel 212, the third magnet steel 213 and the 4th magnet steel 214
It is arranged around the solenoid 31, by the way that four blocks of magnet steel are arranged in 31 side of solenoid, magnetic field strength can be significantly increased.
In conjunction with shown in Fig. 3, the solenoid 31 winds 310 surface of iron core simultaneously including iron core 310, along first direction
The first coil 311 that acts on first magnet steel 211 and second magnet steel 212 and the iron core is wound in a second direction
310 surfaces and the second coil 312 acted on the third magnet steel 213 and the 4th magnet steel 214, the first direction injustice
Row is in the second direction, and in specific embodiment of the present utility model, the first direction and the second direction are mutual
Vertically, in this way, the oscillator 2 vibrates in a first direction after the first coil 311 is powered；When second coil 312
After energization, the oscillator 2 vibrates in a second direction, realizes the linear vibration electric motor 100 in two mutually orthogonal directions
Upper vibration, the linear vibration electric motor 100 form two resonance peaks on acceleration frequency response curve.
The iron core 310 includes main part 3101 and the extension for being located at 3101 opposite end of main part
3102, second coil 312 is wound in 3101 periphery of main part and between the extension, also, described
Orthographic projection of outer peripheral edge of the two coil 312 far from the main part 3101 on the extension 3102 entirely falls in the extension
Portion 3102.The first coil 311 is sheathed on the extension 3102, and the both ends of the first coil 311 are prolonged with described respectively
The opposite end surface of extending portion 3102 flushes.The corresponding main part 3101 of the extension 3102, which runs through, offers through-hole 31021,
The main part 3101 is installed on the through-hole 31021 close to the end of the extension 3102 and consolidates with the extension 3102
Fixed, second coil 312 is held between the extension 3102.
In conjunction with shown in Fig. 4, the oscillator 2 further includes the clump weight 22 around the magnetic conduction bracket 215 setting, described to lead
Magnetic bracket 215 is fixedly arranged on the clump weight 22.
The elastic supporting member for supporting optical member 4 is contained in the shell 1 and oscillator 2 described in mount supports, the elastic supporting member for supporting optical member 4 wrap
It includes and is fixed on described in the first fixed arm 41 of the clump weight 22, the second fixed arm 42 for being fixed on the shell 1 and connection
The elasticity arm 43 of first fixed arm 41 and second fixed arm 42.First fixed arm 41 divides with second fixed arm 42
Not Wei Yu the clump weight 22 two sides, the clump weight 22 is arranged with second fixed arm 42 interval, in the utility model
Specific embodiment in, the linear vibration electric motor 100 further includes the reinforcement gasket for being fixedly arranged on 4 both ends of elastic supporting member for supporting optical member
5, by the way that the reinforcement gasket 5 is arranged, the both ends of the elastic supporting member for supporting optical member 4 can be effectively prevented from the shell 1 or described
It falls off on clump weight 22.
In specific embodiment of the present utility model, the shell 1 includes along perpendicular to the linear vibration electric motor 100
Top cover 11, center 12 and the bottom cover 13 that direction of vibration is set gradually, the center 12 be hollow, rectangular frame and its both ends open,
The top cover 11 and the bottom cover 13 cover two open ends for being connected to the center 12 respectively.
The linear vibration electric motor 100 further includes between the top cover 11 and the clump weight 22 and the bottom cover
Bolster 6 between 13 and the clump weight 22, the elongated block structure of the bolster 6, specifically, the bolster
6 can be made of foam, silica gel elastomeric material.The bolster 6 is fixedly arranged on the shell 1, described in the clump weight 22 is corresponding
The position recess of bolster 6, which is formed with, allows bit space 221.
The utility model has the beneficial effects that: by winding two coils being arranged in a mutually vertical manner on iron core, so that
Oscillator can vibrate in two directions, realize that linear vibration electric motor forms two resonance peaks on acceleration frequency response curve.
Above-described is only the better embodiment of the utility model, it should be noted here that for the common of this field
For technical staff, without departing from the concept of the present invention, improvement can also be made, but these belong to this
The protection scope of utility model.
Claims (12)
1. a kind of linear vibration electric motor, including the shell with the first accommodating space and be contained in the intracorporal oscillator of the shell and
A wherein side for stator, the oscillator and the stator includes solenoid, and another party of the oscillator and the stator includes magnetic
Line structure, which is characterized in that the magnetic structure includes:
It is divided into the first magnet steel and the second magnet steel that the solenoid both ends are oppositely arranged, first magnet steel and second magnetic
Steel homopolarity is oppositely arranged；
It is divided into the third magnet steel and the 4th magnet steel that the solenoid two sides are oppositely arranged, the third magnet steel and the 4th magnetic
Steel homopolarity is oppositely arranged；And
Magnetic conduction bracket with the second accommodating space, first magnet steel, second magnet steel, the third magnet steel, described
Four magnet steel and the solenoid are contained in second accommodating space, and first magnet steel, second magnet steel, institute
State the inside table that third magnet steel and the 4th magnet steel are arranged around the solenoid and are fixedly arranged on the magnetic conduction bracket respectively
Face；
The solenoid include iron core, wind along first direction the iron core surface and with first magnet steel and second magnetic
Steel effect first coil and wind in a second direction the iron core surface and with the third magnet steel and the 4th magnet steel
Second coil of effect, the first direction are not parallel to the second direction.
2. linear vibration electric motor according to claim 1, which is characterized in that the first direction and the second direction are mutual
It is perpendicular.
3. linear vibration electric motor according to claim 1, which is characterized in that the iron core includes main part and difference position
In the extension of the main part opposite end, second coil winding is in the main part periphery and is located at the extension
Between.
4. linear vibration electric motor according to claim 3, which is characterized in that second coil is far from the main part
Orthographic projection of the outer peripheral edge on the extension entirely falls in the extension.
5. linear vibration electric motor according to claim 3, which is characterized in that the first coil is sheathed on the extension
Portion, the both ends of the first coil are flushed with the opposite end surface of the extension respectively.
6. linear vibration electric motor according to claim 3, which is characterized in that the extension, which corresponds to the main part, to be run through
Through-hole is offered, the main part is installed on the through-hole close to the end of the extension and fixes with the extension, institute
The second coil is stated to be held between the extension.
7. linear vibration electric motor according to claim 1-6, which is characterized in that the stator is fixed on the shell
Body, and the stator includes the solenoid, the oscillator includes the magnetic structure.
8. linear vibration electric motor according to claim 7, which is characterized in that the oscillator further includes around the magnetic conduction branch
The clump weight of frame setting, the magnetic conduction bracket are fixedly arranged on the clump weight.
9. linear vibration electric motor according to claim 8, which is characterized in that the linear vibration electric motor further includes being contained in
In the shell and the elastic supporting member for supporting optical member of oscillator described in mount supports, the elastic supporting member for supporting optical member includes being fixed on the clump weight
First fixed arm, the second fixed arm for being fixed on the shell and connection first fixed arm and second fixed arm
Elasticity arm.
10. linear vibration electric motor according to claim 9, which is characterized in that first fixed arm is solid with described second
Fixed arm is located at the two sides of the clump weight, and the clump weight and second fixed arm interval are arranged.
11. linear vibration electric motor according to claim 10, which is characterized in that the shell includes along perpendicular to the line
Property vibrating motor the direction of vibration top cover, center and the bottom cover that set gradually, the linear vibration electric motor further include be located at it is described
Bolster between top cover and the clump weight and between the bottom cover and the clump weight.
12. linear vibration electric motor according to claim 11, which is characterized in that the bolster is fixedly arranged on the shell,
The position recess that the clump weight corresponds to the bolster, which is formed with, allows bit space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920819248.9U CN209088783U (en) | 2019-06-03 | 2019-06-03 | Linear vibration electric motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920819248.9U CN209088783U (en) | 2019-06-03 | 2019-06-03 | Linear vibration electric motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209088783U true CN209088783U (en) | 2019-07-09 |
Family
ID=67128149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920819248.9U Expired - Fee Related CN209088783U (en) | 2019-06-03 | 2019-06-03 | Linear vibration electric motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209088783U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110449334A (en) * | 2019-09-03 | 2019-11-15 | 东南大学 | A kind of periodic structure with linear vibration electric motor |
| WO2021114307A1 (en) * | 2019-12-14 | 2021-06-17 | 瑞声声学科技(深圳)有限公司 | Linear vibration electric motor |
-
2019
- 2019-06-03 CN CN201920819248.9U patent/CN209088783U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110449334A (en) * | 2019-09-03 | 2019-11-15 | 东南大学 | A kind of periodic structure with linear vibration electric motor |
| WO2021114307A1 (en) * | 2019-12-14 | 2021-06-17 | 瑞声声学科技(深圳)有限公司 | Linear vibration electric 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190709 Termination date: 20210603 |