CN106100275B - A kind of linear motor - Google Patents
A kind of linear motor Download PDFInfo
- Publication number
- CN106100275B CN106100275B CN201610438895.6A CN201610438895A CN106100275B CN 106100275 B CN106100275 B CN 106100275B CN 201610438895 A CN201610438895 A CN 201610438895A CN 106100275 B CN106100275 B CN 106100275B
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- Prior art keywords
- linear motor
- magnetic field
- coil
- magnet assembly
- intersections
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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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
The invention discloses a kind of linear motor, including shell and the magnetic field generation module for being used to generate the magnetic field of two intersections in the horizontal plane inside the shell, the ticker for making back and forth movement under making a concerted effort in the magnetic field in the magnetic field of described two intersections along resultant direction are set, direction and size of the linear motor by adjusting the magnetic field of described two intersections, to realize that linear motor produces the purpose of different directions vibration.The linear motor is simple and reasonable, and vibrating effect is good, and can realize the vibration of multiple directions.
Description
Technical field
The present invention relates to micro machine field, more particularly to a kind of linear motor.
Background technology
Linear vibration motor LRA is the abbreviation of the first English alphabet of Linear Resonant Actuator, is commonly called as line
Property vibrating motor or linear motor.Linear motor appearance and size is relatively small, start speed fast, low-power consumption, low noise, driving phase
To simple, have that overall plan cost is low, the advantages such as product reliability is excellent, are adapted to the industries such as frivolous, the high continuation of the journey of consumer electronics
Application characteristic.Therefore linear motor can be applied to mobile phone, tablet, electronic watch, bracelet etc. and move equipment, for moving equipment
Vibrating function.Meanwhile linear motor vibration processes have directive property, it can be achieved that various complicated vibrations, so it is extensive
Applied to smart mobile phone and wearable electronic product.
The magnetic field force that linear motor currently on the market produces only has a direction, and oscillator can only shake along magnetic force direction
Dynamic, the vibration that can not be changed on other directions, lacks the functional experiences such as the selection on direction of vibration, consumer electronics and is limited
System.
The content of the invention
In order to solve above-mentioned the deficiencies in the prior art, the present invention provides a kind of simple and reasonable, and vibrating effect is good
Linear motor, the linear motor can realize the vibration of multiple directions.
The technical problems to be solved by the invention are achieved by the following technical programs：
A kind of linear motor, including shell and the magnetic field generation module, the ticker that are arranged in the shell, wherein,
Magnetic field generation module：The magnetic field intersected for generating two polar orientations in the horizontal plane；
Ticker：For making back and forth movement along resultant direction under making a concerted effort in the magnetic field in the magnetic field of described two intersections, make line
Property motor produce different directions vibration.
Further, the magnetic field generation module is fixed on the coil intersected in the shell for two；The ticker
Including magnet assembly and the elastic parts of the connection magnet assembly and shell.
Further, the acute angle that the coil of described two intersections is formed is more than 0 degree, less than or equal to 90 degree.
Further, in the space that the coil that the elastic parts and magnet assembly are arranged on described two intersections surrounds.
Further, the magnet assembly is the magnet assembly of one piece of polygon, is arranged on the coil of described two intersections
The space center surrounded.
Further, the magnet assembly is the magnetism of four openings of some coils for being arranged on described two intersections
Component, is connected by magnetic inductive block between some magnet assemblies.
Further, the elastic parts includes a main body for carrying magnet assembly and is located at described two intersections
Coil four openings some elastic structures, the main body of the elastic parts and some elastic structures are melted into using one
Shape is into the magnet assembly is fixed in the main body of the elastic parts, and some elastic structures connect the shell.
Further, if the elastic parts includes being separately positioned on four openings of the coil of described two intersections
Dry elastic structure, described elastic structure one end connect the magnet assembly, and the other end connects the shell.
Further, the elastic structure is V-arrangement linking arm or W-shaped linking arm or trapezoidal linking arm.
Further, described two cross coils are connected with PCB or FPC.
The present invention has the advantages that：The linear motor utilizes the coil of two intersections, produces two polar orientations
The magnetic field of intersection, magnet assembly is subject to magnetic field force action in the magnetic field of two intersections, along resultant direction back and forth movement；Pass through
The voltage swing of two coils of change and direction, the size and Orientation that the magnetic field being subject to changing magnet assembly is made a concerted effort, realize line
The purpose that property motor is vibrated to multiple directions；Elastic parts can not only coordinate magnet assembly linear motor is produced vibration, also
Carrier as magnet assembly, can improve the stability of magnetic self-test connection, moreover it is possible to linear motor is produced preferably vibration
Effect.
Brief description of the drawings
Fig. 1 is the exploded view 1 of linear motor provided by the invention；
Fig. 2 is the exploded view 2 of linear motor provided by the invention.
Embodiment
The present invention will be described in detail with reference to the accompanying drawings and examples.
As shown in Figs. 1-2, a kind of linear motor, preferably but is not limited to cylinder, including shell, the shell is by combining
Upper casing 1 and lower casing 2 together forms, and the lower casing 2 is the box like structure of opening upwards, and the upper casing 1 is enclosed with the lower casing 2
Into space in be provided with：
Magnetic field generation module 3：The magnetic field intersected for generating two polar orientations in the horizontal plane；
Preferably, the magnetic direction in described two magnetic fields is mutually perpendicular to.
Ticker：For in the case where being subject to the magnetic field force action in the magnetic field of described two intersections, making along resultant direction round-trip
Movement, makes linear motor produce the vibration of different directions.
The direction in the magnetic field intersected by varying described two polar orientations and size, are subject to changing the ticker
The direction and size that magnetic field is made a concerted effort, to realize purpose that linear motor vibrates in different directions.
The magnetic field generation module 3 is preferred but is not limited to the cross one another first coil being fixed on the lower casing 2
31 and second coil 32,31 and second coil 32 of first coil be respectively used to the first magnetic field and the second magnetic that generation intersects
, the acute angle that 31 and second coil 32 of first coil intersects to form is more than 0 degree, less than or equal to 90 degree, it is preferable that described the
One coil 31 and the second coil 32 are mutually in cross-shaped vertical, and the polar orientation in first magnetic field and the second magnetic field is mutually hung down
Directly.
The ticker includes magnet assembly 4 and the connection magnet assembly 4 and upper casing 1 or the elastic parts 5 of lower casing 2,
Wherein,
Magnet assembly 4：Under the magnetic field force action in first magnetic field and the second magnetic field, make on the direction made a concerted effort past
Movement is returned, and makes the vibration of linear motor generation different directions；
Elastic parts 5：For connecting the magnet assembly 4 and upper casing 1 or lower casing 2, magnet assembly 4 is coordinated to make linear motor
Produce vibration.
In the present embodiment, the magnet assembly 4 and elastic parts 5 are preferably provided in cross one another 31 He of first coil
In the space that second coil 32 surrounds, the density for the line of magnetic induction in space that 31 and second coil 32 of first coil surrounds
Larger, in the case where the cross section size of the magnet assembly 4 is identical, the magnetic field force that the magnet assembly 4 is subject to is maximum, shakes
Dynamic effect is best, and energy consumption is also minimum.
The magnet assembly 4 is the magnet assembly of one piece of polygon, is arranged on cross one another first coil 31 and second
The space center that coil 32 surrounds, preferably but is not limited to the magnet assembly of one piece of octagon；Alternatively, the magnet assembly 4
For some magnet assemblies, four openings of cross one another 31 and second coil 32 of first coil are separately positioned on, if described
Connected between dry magnet assembly by magnetic inductive block 6, preferably but be not limited to four magnet assemblies.
The present embodiment is using four openings for being separately positioned on 31 and second coil 32 of cross one another first coil
Four magnet assemblies at place, are connected by magnetic inductive block 6 between four magnet assemblies.
The elastic parts 5 includes one and is used to carry the main body 51 of the magnet assembly 4 and is respectively provided at the intersection
31 and second coil 32 of first coil four openings some elastic structures 52, the elastic structure 52 of each opening
Quantity is not specifically limited, and the main body 51 of the elastic parts 5 and some elastic structures 52 are made of integral forming,
The magnet assembly 4 is fixed in the main body 51 of the elastic parts 5, some elastic structures 52 and the upper casing 1 or under
Shell 2 connects.
Alternatively, the elastic parts 5 includes being separately positioned on the four of 31 and second coil 32 of first coil of the intersection
Some elastic structures 52 of a opening, each 52 one end of elastic structure connect the magnet assembly 4, and the other end is connected on described
Shell 1 or lower casing 2；If the magnet assembly 4 is multiple magnetic component structures, quantity and the magnetism of the elastic structure 52
The quantity of component 4 is consistent.
For the present embodiment using elastic structure 52 and the connection mode of the lower casing 2 clamping, the elastic structure 52 can also
Be connected to using other modes on the upper casing 1 or lower casing 2, for example, gluing knot or laser electric welding etc., should not using the present embodiment as
Limit.
Some elastic structures 52 can be V-arrangement linking arm or W-shaped linking arm or trapezoidal linking arm or its
He has the connection arm configuration of equivalent effect, is not specifically limited herein.
31 and second coil 32 of first coil is connected with circuit board 7, and the circuit board 7 is PCB or FPC, also may be used
To be other connection media, for providing alternating voltage for 31 and second coil 32 of first coil, by varying described the
The voltage swing and direction of one coil 31 and the second coil 32 change the size and Orientation in first magnetic field and the second magnetic field.
Embodiment described above only expresses embodiments of the present invention, its description is more specific and detailed, but can not
Therefore the limitation to the scope of the claims of the present invention is interpreted as, as long as the skill obtained using the form of equivalent substitution or equivalent transformation
Art scheme, should all fall within the scope and spirit of the invention.
Claims (9)
1. a kind of linear motor, it is characterised in that including shell and the magnetic field generation module being arranged in the shell, vibration
Son, wherein,
Magnetic field generation module：The magnetic field intersected for generating two polar orientations in the horizontal plane；
Ticker：For making back and forth movement along resultant direction under making a concerted effort in the magnetic field in the magnetic field of described two intersections, make linear horse
Up to the vibration for producing different directions；Wherein
The magnetic field generation module is fixed on the coil intersected in the shell for two；The ticker include magnet assembly and
Connect the elastic parts of the magnet assembly and shell.
2. linear motor according to claim 1, it is characterised in that the acute angle that the coil of described two intersections is formed is more than
0 degree, less than or equal to 90 degree.
3. linear motor according to claim 1, it is characterised in that the elastic parts and magnet assembly are arranged on described
In the space that the coil of two intersections surrounds.
4. linear motor according to claim 1, it is characterised in that the magnet assembly is magnetic group of one piece of polygon
Part, is arranged on the space center that the coil of described two intersections surrounds.
5. linear motor according to claim 1, it is characterised in that the magnet assembly is described two to be separately positioned on
Some magnet assemblies of four openings of the coil of intersection, are connected by magnetic inductive block between some magnet assemblies.
6. linear motor according to claim 1, it is characterised in that the elastic parts includes one and is used to carry magnetism
The elastic structure of the main body of component and four openings of some coils for being located at described two intersections, the master of the elastic parts
Body and some elastic structures are made of integral forming, and the magnet assembly is fixed in the main body of the elastic parts, institute
State some elastic structures and connect the shell.
7. linear motor according to claim 1, it is characterised in that the elastic parts includes being separately positioned on described two
Some elastic structures of four openings of the coil of a intersection, described elastic structure one end connects the magnet assembly, another
End connects the shell.
8. the linear motor according to claim 6 or 7, it is characterised in that the elastic structure is V-arrangement linking arm or W-shaped
Linking arm or trapezoidal linking arm.
9. linear motor according to claim 1, it is characterised in that described two cross coils are connected with PCB or FPC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610438895.6A CN106100275B (en) | 2016-06-20 | 2016-06-20 | A kind of linear motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610438895.6A CN106100275B (en) | 2016-06-20 | 2016-06-20 | A kind of linear motor |
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| CN106100275A CN106100275A (en) | 2016-11-09 |
| CN106100275B true CN106100275B (en) | 2018-05-04 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108482245B (en) * | 2018-02-08 | 2020-11-27 | 歌尔科技有限公司 | Backing early warning method, device and system and wearable device |
| CN110138168A (en) * | 2018-02-09 | 2019-08-16 | 四川安和精密电子电器有限公司 | A kind of linear vibration motor spring |
| CN108233662B (en) | 2018-03-02 | 2020-01-24 | 金龙机电股份有限公司 | Moving-magnet linear vibration motor |
| CN110299813B (en) * | 2019-05-31 | 2021-07-09 | 瑞声科技(新加坡)有限公司 | Vibration motor |
| WO2021000074A1 (en) * | 2019-06-29 | 2021-01-07 | 瑞声声学科技(深圳)有限公司 | Vibration motor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2006320166A (en) * | 2005-05-16 | 2006-11-24 | Suruga Seiki Kk | Two-dimensional moving apparatus |
| JP2011250637A (en) * | 2010-05-28 | 2011-12-08 | Fujitsu Component Ltd | Two-dimensional actuator and input device |
| US10114300B2 (en) * | 2012-08-21 | 2018-10-30 | Asml Netherlands B.V. | Lithographic apparatus and device manufacturing method |
| CN205039677U (en) * | 2015-08-21 | 2016-02-17 | 歌尔声学股份有限公司 | Vibration motor |
| CN205070741U (en) * | 2015-10-21 | 2016-03-02 | 歌尔声学股份有限公司 | Vibration motor |
| CN205212673U (en) * | 2015-11-20 | 2016-05-04 | 瑞声光电科技(常州)有限公司 | Vibration motor |
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