CN106877616B - Vibrating motor - Google Patents
Vibrating motor Download PDFInfo
- Publication number
- CN106877616B CN106877616B CN201710045786.2A CN201710045786A CN106877616B CN 106877616 B CN106877616 B CN 106877616B CN 201710045786 A CN201710045786 A CN 201710045786A CN 106877616 B CN106877616 B CN 106877616B
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- CN
- China
- Prior art keywords
- magnet steel
- magnetic
- magnetic substance
- coil block
- vibrating motor
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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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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
- H02K33/02—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
It include shell the invention discloses a kind of vibrating motor, and it is contained in the intracorporal oscillator of the shell and stator, a wherein side for the oscillator and the stator includes coil block, wherein another party of the oscillator and the stator includes magnetic structure, the magnetic structure includes: the first magnetic substance for being set to the coil block side, it is set to the second magnetic substance of the coil block other side, be set to first magnetic substance back to the surface of the coil block the first magnet steel and the second magnet steel, it is set to the third magnet steel and the 4th magnet steel on surface of second magnetic substance back to the coil block；The polarity of first magnet steel pole-face facing with each other with second magnet steel is identical；The polarity of the third magnet steel pole-face facing with each other with the 4th magnet steel is identical, compared with the existing technology, the embodiment of the present invention not only increases the driving force in magnetic circuit, and driving force is more stable, helps to reduce the noise in product due to the unbalanced noise of driving force.
Description
Technical field
The present invention relates to motor fields, in particular to the vibrating motor of magnetic structure.
Background technique
Portable consumer electronic product, such as mobile phone, handheld device, navigation device or palm multimedia entertainment equipment
Deng, vibrating motor can be generally used to do system feedback, such as the incoming call prompting of mobile phone, vibrational feedback of game machine etc.,
In used motor, mainly have column iron core motor, hollow-cup motor and flat electric machine several types.
Magnetic structure in existing vibrating motor is two magnet steel 11 above coil 12, and the pole reversal of two magnet steel 11 is set
It sets, magnetic force line cutting coil straight flange, generates Lorentz force drive vibrator and vibrated along product X-direction, as shown in Figure 1.
Magnetic circuit driving force in the prior art quickly reduces with moving towards extreme position, and there are the separation of product Z-direction,
Cause product noise.
Summary of the invention
The embodiment of the present invention is designed to provide a kind of vibrating motor that driving force is stable.
In order to solve the above technical problems, the embodiment provides a kind of vibrating motors comprising shell and receiving
In the intracorporal oscillator of the shell and stator, a wherein side for the oscillator and the stator includes coil block, the oscillator and
Wherein another party of the stator includes magnetic structure, wherein the magnetic structure includes: to be set to the coil block side
The first magnetic substance, be set to the coil block other side the second magnetic substance, be set to first magnetic substance back to institute
State the surface of coil block the first magnet steel and the second magnet steel, be set to second magnetic substance back to the coil block table
The third magnet steel and the 4th magnet steel in face；The polarity of first magnet steel pole-face facing with each other with second magnet steel is identical；Institute
The polarity for stating the third magnet steel pole-face facing with each other with the 4th magnet steel is identical；Wherein, first magnetic substance is by described
One magnet steel and second magnet steel magnetize, and second magnetic substance is magnetized by the third magnet steel and the 4th magnet steel；It is described
First magnet steel, first magnetic substance and the coil block form the first magnetic line；Second magnet steel, first magnetic
Property body and the coil block formed the second magnetic line；The third magnet steel, second magnetic substance and the coil block
Form third magnetic line；4th magnet steel, second magnetic substance and the coil block form the 4th magnetic line.
Preferably, first magnetic substance and second magnetic substance are made of soft magnetism material.Soft magnetism material is easier
It is magnetized.
Preferably, first magnet steel, second magnet steel, the third magnet steel and the 4th magnet steel are complete phase
Same device；First magnetic substance and second magnetic substance are identical device.
Preferably, the first magnetic magnet steel, second magnet steel and first magnetic substance closely connect；The third
Magnetic magnet steel, the 4th magnet steel and second magnetic substance closely connect.
Preferably, first magnet steel, second magnet steel and first magnetism are pasted together by binder；
The third magnetic magnet steel, the 4th magnet steel and second magnetism are pasted together by binder.
In terms of existing technologies, the magnetic line of the first magnet steel and the second magnet steel gathers first to the embodiment of the present invention
The magnetic line of magnetic substance, third magnet steel and the 4th magnet steel gathers the second magnetic substance, and magnetic line is more concentrated, therefore, fortune
The Lorentz force that dynamic charge is subject in electromagnetic field also can be more stable, so that the driving force in magnetic circuit is more stable, has
Help reduce the noise in product due to the unbalanced noise of driving force, and the driving force includes Lorentz force and electromagnetic force, phase
More existing magnetic circuit has a distinct increment.
Detailed description of the invention
Fig. 1 is magnetic structure schematic diagram in the prior art according to the present invention；
Fig. 2 is the magnetic structure schematic diagram of the vibrating motor according to a first embodiment of the present invention；
Fig. 3 is the decomposition diagram of the vibrating motor according to a first embodiment of the present invention；
Fig. 4 be according to a first embodiment of the present invention in schematic diagram when being mounted on pedestal of the upper housing of vibrating motor.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to each reality of the invention
Example is applied to be explained in detail.However, it will be understood by those skilled in the art that in various embodiments of the present invention, in order to
Reader is set to more fully understand the application and propose many technical details.But even if without these technical details and based on
Under each embodiment various changes and modifications, the application technical solution claimed also may be implemented.
As shown in Figure 2, Figure 3 and Figure 4, first embodiment of the invention provides a kind of vibrating motor 100, including has receiving
The shell 2 of cavity, the oscillator 6 and stator 7 being contained in the shell 2.A wherein side for the oscillator 6 and the stator 7 packet
Include coil block 1, wherein another party of the oscillator 6 and the stator 7 includes magnetic structure 60.It is detailed in order to make to the present invention
Explanation, be now arranged the stator 7 include the coil block 1, the oscillator 6 include the magnetic structure 60.The coil
Component 1 generates electromagnetic force after being powered, and the magnetic structure 60 generates Loulun magnetism, passes through the folded of electromagnetic force and the Loulun magnetism
Add, to push the oscillator 6 in 2 internal vibration of shell, and then vibration sense is externally exported by the vibrating motor 100.
In order to increase vibration intensity, the oscillator 6 further includes the clump weight 61 for accommodating the magnetic structure 60, described
The center of clump weight 61 is equipped with through slot 610, and the magnetic structure 60 is assemblied in the through slot 610 and is fixed on the through slot
610 inner wall.The vibrating motor 100 further includes the elastic component 8 being suspended in the clump weight 61 in the shell 2 and fixes
In the reinforced sheet 9 of the elastic component 8 and 2 junction of the clump weight 61 and/or the shell, the elastic component 8 is in the present invention
In preferably U-shaped spring.The clump weight 61 is fixed in described 8 one end of elastic component, and the other end is fixed on the shell 2.Institute
It states reinforced sheet 9 and is fixed on the elastic component 8 and 2 junction of the clump weight 61 and/or the shell, not only can be enhanced described
The binding force of elastic component 8 can also prevent 8 overflexing of elastic component and be broken.
Fig. 2 is the magnetic structure 60 of vibrating motor of the present invention and the fit structure schematic diagram of coil block 1, iron core 71.Institute
Magnetic structure 60 is stated to include the first magnetic substance 21 for being divided into 1 side of coil block, be set to 1 other side of coil block
Second magnetic substance 22, be set to the first magnetic substance 21 back to first magnet steel 31 on the surface of coil block 1 and the second magnet steel 32, set
Be placed in the second magnetic substance 22 back to the surface of coil block 1 third magnet steel 33 and the 4th magnet steel 34；First magnet steel 31 and second
The polarity of the pole-face facing with each other of magnet steel 32 is identical；The polarity phase of third magnet steel 33 and the 4th magnet steel 34 pole-face facing with each other
Together；In Fig. 2 with the N pole-face of the first magnet steel 31 to the N pole-face of the pole N of the second magnet steel 32, third magnet steel 33 to the N of the 4th magnet steel 34
Extremely example is illustrated.
Specifically, in practical applications, the coil block 1 in the present embodiment can connect power supply, the first magnetic substance 21,
Second magnetic substance 22 can be arranged with being slightly disengaged with coil block 1, and the first magnetic substance 21 and the second magnetic substance 22 can be with
It is symmetrical arranged centered on coil block 1.
Wherein, it is strong to can produce certain magnetic induction for the first magnet steel 31, the second magnet steel 32, third magnet steel 33 and the 4th magnet steel 34
The Constant charge soil of degree, the first magnetic substance 21 are magnetized by the first magnet steel 31 and the second magnet steel 32, are formed towards the direction of coil block 1
The pole N, opposite direction form the pole S；Second magnetic substance 22 is magnetized by third magnet steel 33 and the 4th magnet steel 34, towards coil block 1
Direction forms the pole N, and opposite direction forms the pole S, that is, during the polarity of the first magnetic substance 21 and the second magnetic substance 22 with coil block 1 is
The heart is symmetrical, and is the pole N towards coil block 1.First magnet steel 31, the first magnetic substance 21 and coil block 1 form the first magnetic force
Route；Second magnet steel 32, the first magnetic substance 21 and coil block 1 form the second magnetic line；Third magnet steel 33, the second magnetic substance
22 and coil block 1 formed third magnetic line；4th magnet steel 34, the second magnetic substance 22 and coil block 1 form the 4th magnetic force
Route.The magnetic line of the first magnet steel 31 and the second magnet steel 32 gathers the first magnetic substance 21, third it can be seen from Fig. 2
The magnetic line of magnet steel 33 and the 4th magnet steel 34 gathers the second magnetic substance 22, and therefore, the magnetic line in the present embodiment is opposite
In more concentrating in the prior art, when coil block 1 is powered, there is electric current to pass through in circular coil block 1, moving charge exists
The Lorentz force being subject in electromagnetic field also can be more stable, so that the driving force in magnetic circuit is more stable.Moreover, be powered
Coil block 1 can produce electromagnetic force, can produce Lorentz force in magnetic circuit, by the superposition of electromagnetic force and Loulun magnetism so that
Driving force greatly enhances.
Preferably, the first magnetic substance 21 in the present embodiment, the second magnetic substance 22, can be made of soft magnetism material, with
Just it is easier to be magnetized.And first magnet steel 31, the second magnet steel 32, third magnet steel 33 and the 4th magnet steel 34 can be identical
Device, the first magnetic substance 21 and the second magnetic substance 22 are identical device.
In terms of existing technologies, the magnetic line of the first magnet steel 31 and the second magnet steel 32 gathers first to the present embodiment
The magnetic line of magnetic substance 21, third magnet steel 33 and the 4th magnet steel 34 gathers the second magnetic substance 22, and magnetic line is more concentrated,
Therefore, the Lorentz force that moving charge is subject in electromagnetic field also can be more stable so that the driving force ratio in magnetic circuit compared with
Stablize, helps to reduce the noise in product due to the unbalanced noise of driving force, and the driving force includes Lorentz force and electricity
Magnetic force has a distinct increment compared to more existing magnetic circuit.
The second embodiment of the present invention is related to a kind of vibrating motor.Second embodiment changes on the basis of first embodiment
Into theing improvement is that: in the present embodiment, magnet steel and magnetic part around coil block 1 can be connected closely.Specifically
It says, the first magnet steel 31, the second magnet steel 32 and the first closely connection of magnetic substance 21 in the present embodiment；Third magnet steel 33, the 4th magnetic
Steel 34 and the second closely connection of magnetic substance 22.
In practical applications, the first magnet steel 31, the second magnet steel 32 and the first magnetic substance 21 can by binder (such as
Macromolecule viscose, double-sided adhesive etc.) it is pasted together；Third magnetic magnet steel, the 4th magnet steel 34 and the second magnetic substance 21 can also be with
It is pasted together by binder.So that the magnetic structure 60 of the embodiment of the present invention is more compact and reasonable, and then convenient for saving
The inner space of product.
The stator 7 further includes the iron core 71 being set in the coil block 1, and the iron core 71 is fixed on the shell
2, with reference to Fig. 3.Specifically, the both ends of the iron core 71 are individually fixed in the shell 2.The shell 2 includes open at one end
Upper housing 5 and lid be connected to the pedestal 4 of 5 open end of upper housing, the iron core 71 is fixed on the upper housing 5.Upper housing 5
Including roof 51 and perpendicular to the side wall 52 of roof 51；Multiple elastic components 8 (being illustrated by taking two elastic components as an example in Fig. 3)
It is preferably U-shaped spring in the present invention, one end of elastic component 8 connects side wall 52, and the other end connects oscillator 6.
It will be understood by those skilled in the art that the various embodiments described above are realization specific embodiments of the present invention, and
In practical applications, can to it, various changes can be made in the form and details, without departing from the spirit and scope of the present invention.
Claims (5)
1. a kind of vibrating motor comprising shell and be contained in the intracorporal oscillator of the shell and stator, the oscillator and described fixed
A wherein side for son includes coil block, and wherein another party of the oscillator and the stator includes magnetic structure, and feature exists
In, the magnetic structure includes: the first magnetic substance for being set to the coil block side, to be set to the coil block another
Second magnetic substance of side, be set to first magnetic substance back to the surface of the coil block the first magnet steel and the second magnetic
Steel, the third magnet steel and the 4th magnet steel for being set to surface of second magnetic substance back to the coil block；
The polarity of first magnet steel pole-face facing with each other with second magnet steel is identical；
The polarity of the third magnet steel pole-face facing with each other with the 4th magnet steel is identical；
Wherein, first magnetic substance is magnetized by first magnet steel and second magnet steel, and second magnetic substance is described
Third magnet steel and the 4th magnet steel magnetize；First magnet steel, first magnetic substance and the coil block form first
Magnetic line；Second magnet steel, first magnetic substance and the coil block form the second magnetic line；The third magnetic
Steel, second magnetic substance and the coil block form third magnetic line；4th magnet steel, second magnetic substance and
The coil block forms the 4th magnetic line.
2. vibrating motor according to claim 1, which is characterized in that first magnetic substance and second magnetic substance
It is made of soft magnetism material.
3. vibrating motor according to claim 1, which is characterized in that first magnet steel, second magnet steel, described
Three magnet steel and the 4th magnet steel are identical device；
First magnetic substance and second magnetic substance are identical device.
4. vibrating motor according to claim 1, which is characterized in that the first magnetic magnet steel, second magnet steel and
First magnetic substance closely connects；
The third magnet steel, the 4th magnet steel and second magnetic substance closely connect.
5. vibrating motor according to claim 4, which is characterized in that first magnet steel, second magnet steel and institute
The first magnetism is stated to be pasted together by binder；
The third magnet steel, the 4th magnet steel and second magnetism are pasted together by binder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710045786.2A CN106877616B (en) | 2017-01-20 | 2017-01-20 | Vibrating motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710045786.2A CN106877616B (en) | 2017-01-20 | 2017-01-20 | Vibrating motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106877616A CN106877616A (en) | 2017-06-20 |
| CN106877616B true CN106877616B (en) | 2019-05-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710045786.2A Expired - Fee Related CN106877616B (en) | 2017-01-20 | 2017-01-20 | Vibrating motor |
Country Status (1)
| Country | Link |
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| CN (1) | CN106877616B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019013091A (en) * | 2017-06-30 | 2019-01-24 | 日本電産サンキョー株式会社 | Actuator |
| CN110277890B (en) * | 2019-06-04 | 2020-09-18 | 瑞声科技（南京）有限公司 | Vibration motor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101243594A (en) * | 2005-10-24 | 2008-08-13 | 松下电器产业株式会社 | Capacitor motor and process for producing the same |
| KR20120071518A (en) * | 2010-12-23 | 2012-07-03 | 한국과학기술원 | Vibration generating module using unstable structure, actuator using the same, handheld device, method for generating vibration and recording medium thereof |
| CN204810107U (en) * | 2015-07-08 | 2015-11-25 | 瑞声光电科技(常州)有限公司 | Oscillating motor |
| CN105281529A (en) * | 2015-11-25 | 2016-01-27 | 歌尔声学股份有限公司 | Linear vibration motor |
| CN105518983A (en) * | 2014-07-18 | 2016-04-20 | 爱斯尼克电子有限公司 | Haptic actuator |
| CN105874688A (en) * | 2014-08-07 | 2016-08-17 | 爱斯尼克电子有限公司 | Haptic actuator |
-
2017
- 2017-01-20 CN CN201710045786.2A patent/CN106877616B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101243594A (en) * | 2005-10-24 | 2008-08-13 | 松下电器产业株式会社 | Capacitor motor and process for producing the same |
| KR20120071518A (en) * | 2010-12-23 | 2012-07-03 | 한국과학기술원 | Vibration generating module using unstable structure, actuator using the same, handheld device, method for generating vibration and recording medium thereof |
| CN105518983A (en) * | 2014-07-18 | 2016-04-20 | 爱斯尼克电子有限公司 | Haptic actuator |
| CN105874688A (en) * | 2014-08-07 | 2016-08-17 | 爱斯尼克电子有限公司 | Haptic actuator |
| CN204810107U (en) * | 2015-07-08 | 2015-11-25 | 瑞声光电科技(常州)有限公司 | Oscillating motor |
| CN105281529A (en) * | 2015-11-25 | 2016-01-27 | 歌尔声学股份有限公司 | Linear vibration motor |
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| Publication number | Publication date |
|---|---|
| CN106877616A (en) | 2017-06-20 |
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Granted publication date: 20190531 Termination date: 20220120 |