CN106130301A - Linear vibration electric motor - Google Patents
Linear vibration electric motor Download PDFInfo
- Publication number
- CN106130301A CN106130301A CN201610576212.3A CN201610576212A CN106130301A CN 106130301 A CN106130301 A CN 106130301A CN 201610576212 A CN201610576212 A CN 201610576212A CN 106130301 A CN106130301 A CN 106130301A
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- CN
- China
- Prior art keywords
- magnet steel
- mass
- electric motor
- linear vibration
- vibration electric
- Prior art date
- 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
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- 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
Abstract
The present invention provides a kind of linear vibration electric motor.Described linear vibration electric motor includes having the housing of receiving space and be contained in the oscillator in described receiving space and magnetic circuit system, described magnetic circuit system includes the first magnet steel and the second magnet steel being arranged at its both sides along described oscillator vibration direction, and the coil just described first magnet steel and described second magnet steel arranged, described magnetic circuit system also includes middle magnet steel, and described middle magnet steel is located between described first magnet steel and described second magnet steel and just to described coil.The linear vibration electric motor that the present invention provides is equipped with middle magnet steel by magnet steel in the middle of increasing in magnetic circuit system, the i.e. first magnet steel, the second magnet steel, and is combined with oscillator so that the BL value of magnetic circuit system significantly improves, it is ensured that motor has enough driving forces；Additionally, also there is compact conformation, compact and be easy to manufacture the features such as processing.
Description
[technical field]
The present invention relates to a kind of vibration machine part, in particular it relates to the linear vibration electric motor of a kind of horizontal direction.
[background technology]
Along with the progress of society, the fast development of science and technology, electronic product obtains very big popularization and application, as electronic product weight
The vibration machine part wanting one of parts is used the most in a large number, for the lifting of Consumer's Experience, especially for meeting user couple
Demand in terms of electronic product vibration prompt, therefore the requirement to vibration machine part performance is more and more higher.
Vibration machine part develops into now, and linear vibration electric motor therein is becoming increasingly popular, and compares eccentric turn of tradition
Sub-motor, linear vibration electric motor tool has great advantage, and as lower in power consumption, combination of vibrations mode and speed are the most various, additionally,
Linear vibration electric motor volume is more and more less, to adapt to the day needs with frivolous electronic product.
The linear vibration electric motor of prior art uses two magnet steel designs, is mass in the middle of two magnet steel, this kind of scheme
Motor BL value (magnetic force value) more weak, the driving force of motor is the most poor, it is impossible to produce a desired effect.
Therefore, it is necessary to provide a kind of new linear vibration electric motor to overcome the defect of above-mentioned linear vibration electric motor.
[summary of the invention]
In order to solve the linear vibration electric motor of above-mentioned prior art, to there is BL value more weak and cause the poor technology of driving force
Problem, the present invention provides a kind of BL value relatively strong and significantly improves the linear vibration electric motor of driving force, and by magnetic in the middle of increasing
The Novel magnetic circuit system of steel realizes.
The present invention provides a kind of linear vibration electric motor, including having the housing of receiving space and being contained in described receiving space
Oscillator and magnetic circuit system, described magnetic circuit system include along described oscillator direction of vibration arrange the first magnet steel and the second magnetic
Steel, and it is fixed on the coil of described housing, described first magnet steel and described second magnet steel are just arranged by described coil, described magnetic
Road system also includes middle magnet steel, and described middle magnet steel is located between described first magnet steel and described second magnet steel, described the
The polarity setting direction of one magnet steel and the second magnet steel is contrary, and described middle magnet steel magnetizing direction is the most described first magnet steel and institute
State the second magnet steel direction.
In described linear vibration electric motor one preferred embodiment that the present invention provides, described oscillator includes mass and props up
Frame, described mass is connected to described housing by described support, and described mass includes and described support is connected and is spaced and sets
The first mass put and the second mass, and the centre connecting described first mass and described second mass connects muscle,
Described first magnet steel and described second magnet steel are arranged at described centre along the direction of vibration of described mass and connect the both sides of muscle, described
Middle magnet steel is located at described centre and is connected muscle sides adjacent and just to described coil.
In described linear vibration electric motor one preferred embodiment that the present invention provides, described first mass and described second
Mass and described centre connect muscle and together constitute receiving space, described first magnet steel, described second magnet steel and described middle magnetic
Steel is all contained in described receiving space, and the same side outer surface of three is the most at grade.
In described linear vibration electric motor one preferred embodiment that the present invention provides, described first mass and described second
The structure of mass is identical.
The present invention provide described linear vibration electric motor one preferred embodiment in, described magnetic circuit system also include soft magnetism and
Pole piece, described soft magnetism is located between described coil and described housing, described pole piece be located at described centre connect muscle and described housing it
Between.
In described linear vibration electric motor one preferred embodiment that the present invention provides, described support is spring support.
Compared to prior art, the described linear vibration electric motor that the present invention provides has advantageous effect in that: by
Increasing middle magnet steel in magnetic circuit system, the i.e. first magnet steel, the second magnet steel are equipped with middle magnet steel, and combine with oscillator,
The BL value making magnetic circuit system significantly improves, it is ensured that motor has enough driving forces；Additionally, also have compact conformation, volume
Small and exquisite and be easy to manufacture the feature such as processing.
[accompanying drawing explanation]
Fig. 1 is the perspective exploded view of linear vibration electric motor one preferred embodiment that the present invention provides；
Fig. 2 is the internal structure schematic diagram of linear vibration electric motor shown in Fig. 1；
Fig. 3 is the mass perspective exploded view with magnetic circuit system of linear vibration electric motor shown in Fig. 1；
Fig. 4 is the sectional view of the magnetic circuit system of linear vibration electric motor shown in Fig. 1.
[detailed description of the invention]
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, those of ordinary skill in the art obtained under not making creative work premise all other
Embodiment, broadly falls into the scope of protection of the invention.
Referring to Fig. 1 and Fig. 2, wherein Fig. 1 is that the solid of linear vibration electric motor one preferred embodiment that the present invention provides is divided
Solve schematic diagram；Fig. 2 is the internal structure schematic diagram of linear vibration electric motor shown in Fig. 1.
Described linear vibration electric motor 1 includes the housing 11 having receiving space and the oscillator 13 being contained in described receiving space
With magnetic circuit system 15.
Described housing 11 includes shell 111 and cover plate 113, described shell 111 one end open and inner hollow, described cover plate
113 is a flat board the opening being covered on described shell 111, and the two is collectively forming receiving space.
Described oscillator 13 includes that mass 131 and support 133, described mass 131 are connected to institute by described support 133
State shell 111.Described mass 131 includes that first mass the 1311, second mass 1313 and centre connect muscle 1315, described
One mass 1311 and described second mass 1313 interval arrange and connect muscle 1315 by described centre and connect.Described first matter
Gauge block 1311 and described second mass 1313 connect muscle 1315 with described centre and together constitute receiving space 131A.Preferably, institute
Stating the first mass 1311 identical with the structure of described second mass 1313, described centre connects muscle 1315 in strip, and its
It is smaller in size than described first mass 1311 and described second mass 1313, and one side surface and described first mass
The same surface of 1311 same surface and described second mass 1313 is at same plane.Described support 133 select good springiness and
Stable spring support.Described oscillator 13 is along Y-direction horizontal vibration.
Please in conjunction with refering to Fig. 3 and Fig. 4, wherein Fig. 3 is mass and the magnetic circuit system of linear vibration electric motor shown in Fig. 1
Perspective exploded view；Fig. 4 is the sectional view of the magnetic circuit system of linear vibration electric motor shown in Fig. 1.
Described magnetic circuit system 15 includes first magnet steel the 151, second magnet steel 153, middle magnet steel 155, coil 157, soft magnetism 158
And pole piece 159, described first magnet steel 151 and described second magnet steel 153 be located at described centre along described oscillator 13 direction of vibration and connect
The both sides of muscle 1315, described middle magnet steel 155 is positioned at described centre and connects muscle 1,315 1 side surface and be located in described first magnet steel
Between 151 and described second magnet steel 153, described first magnet steel 151, described second magnet steel 153 and described middle magnet steel 155 are all received
It is dissolved in the same side outer surface of the receiving space 131A of described mass 131 and three the most at grade, and coordinates described
The size of mass 131, remains a monolithic devices design, the most concordant setting of each plane.Described first magnet steel 151 and described second
Magnet steel 153 structure is identical and the two polarity setting direction contrary, and described middle magnet steel 155 magnetizing direction is the most described first magnetic
Steel 151 and described second magnet steel 153 direction.Described first magnet steel 151, described second magnet steel 153 and described middle magnet steel 155 are equal
Just arranging described coil 157, described soft magnetism 158 is located between described coil 157 and described cover plate 113, and described pole piece 159 sets
Connect between muscle 1315 in described shell 111 and described centre.Based on electromagnetic induction principle, described coil 157 passes to periodically
The signal of telecommunication, produces periodic Lorentz force, and magnet steel can be driven described by periodically repelling and captivation along Y-direction
Oscillator 13 is of reciprocating vibration along the Y-direction cycle.
The described linear vibration electric motor 1 that the present invention provides has advantageous effect in that: by increasing in magnetic circuit system 15
Adding middle magnet steel 155, i.e. first magnet steel the 151, second magnet steel 153 is equipped with middle magnet steel 155, and ties with oscillator 13 phase
Close so that the BL value of magnetic circuit system 15 significantly improves, it is ensured that motor has enough driving forces；Additionally, also have compact conformation,
Compact and be easy to manufacture the feature such as processing.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, that is made any repaiies
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (6)
1. a linear vibration electric motor, including having the housing of receiving space and being contained in the oscillator in described receiving space and magnetic circuit
System, it is characterised in that: described magnetic circuit system includes the first magnet steel and the second magnet steel arranged along the direction of vibration of described oscillator,
And it being fixed on the coil of described housing, described first magnet steel and described second magnet steel are just arranged by described coil, described magnetic circuit
System also includes middle magnet steel, and described middle magnet steel is located between described first magnet steel and described second magnet steel, described first
The polarity setting direction of magnet steel and the second magnet steel is contrary, and described middle magnet steel magnetizing direction is the most described first magnet steel and described
Second magnet steel direction.
Linear vibration electric motor the most according to claim 1, it is characterised in that: described oscillator includes mass and support, institute
Stating mass and be connected to described housing by described support, described mass includes being connected with described support and spaced
One mass and the second mass and connect the centre of described first mass and described second mass and connect muscle, described
One magnet steel and described second magnet steel are arranged at described centre along the direction of vibration of described mass and connect the both sides of muscle, described middle magnetic
Steel is located at described centre and is connected muscle sides adjacent and just to described coil.
Linear vibration electric motor the most according to claim 2, it is characterised in that: described first mass and described second mass
Block and described centre connect muscle and together constitute receiving space, and described first magnet steel, described second magnet steel and described middle magnet steel are equal
It is contained in described receiving space, and the same side outer surface of three is the most at grade.
Linear vibration electric motor the most according to claim 3, it is characterised in that: described first mass and described second mass
The structure of block is identical, and described first magnet steel is identical with described second magnetic steel structure.
5. according to the linear vibration electric motor described in claim 2 or 4, it is characterised in that: described magnetic circuit system also include soft magnetism and
Pole piece, described soft magnetism is located between described coil and described housing, described pole piece be located at described centre connect muscle and described housing it
Between.
Linear vibration electric motor the most according to claim 2, it is characterised in that: described support is spring support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610576212.3A CN106130301B (en) | 2016-07-20 | 2016-07-20 | Linear vibration electric motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610576212.3A CN106130301B (en) | 2016-07-20 | 2016-07-20 | Linear vibration electric motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106130301A true CN106130301A (en) | 2016-11-16 |
| CN106130301B CN106130301B (en) | 2018-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610576212.3A Expired - Fee Related CN106130301B (en) | 2016-07-20 | 2016-07-20 | Linear vibration electric motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106130301B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109617356A (en) * | 2019-02-12 | 2019-04-12 | 共达电声股份有限公司 | A kind of line driver |
| CN109951043A (en) * | 2017-12-21 | 2019-06-28 | 四川安和精密电子电器有限公司 | A kind of vibrating motor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030052548A1 (en) * | 2001-08-22 | 2003-03-20 | Hol Sven Antoin Johan | Lithographic apparatus and motor for use in the apparatus |
| CN104682656A (en) * | 2013-11-26 | 2015-06-03 | 上海微电子装备有限公司 | Flat plate voice coil motor |
| CN205319920U (en) * | 2015-10-23 | 2016-06-15 | 瑞声光电科技(常州)有限公司 | Vibration motor |
-
2016
- 2016-07-20 CN CN201610576212.3A patent/CN106130301B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030052548A1 (en) * | 2001-08-22 | 2003-03-20 | Hol Sven Antoin Johan | Lithographic apparatus and motor for use in the apparatus |
| CN104682656A (en) * | 2013-11-26 | 2015-06-03 | 上海微电子装备有限公司 | Flat plate voice coil motor |
| CN205319920U (en) * | 2015-10-23 | 2016-06-15 | 瑞声光电科技(常州)有限公司 | Vibration motor |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109951043A (en) * | 2017-12-21 | 2019-06-28 | 四川安和精密电子电器有限公司 | A kind of vibrating motor |
| CN109951043B (en) * | 2017-12-21 | 2024-03-26 | 四川安和精密电子电器股份有限公司 | Vibration motor |
| CN109617356A (en) * | 2019-02-12 | 2019-04-12 | 共达电声股份有限公司 | A kind of line driver |
| CN109617356B (en) * | 2019-02-12 | 2024-01-23 | 共达电声股份有限公司 | Linear exciter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106130301B (en) | 2018-10-30 |
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Granted publication date: 20181030 Termination date: 20210720 |