CN106230225A - Linear vibration motor - Google Patents
Linear vibration motor Download PDFInfo
- Publication number
- CN106230225A CN106230225A CN201610605562.8A CN201610605562A CN106230225A CN 106230225 A CN106230225 A CN 106230225A CN 201610605562 A CN201610605562 A CN 201610605562A CN 106230225 A CN106230225 A CN 106230225A
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- CN
- China
- Prior art keywords
- magnetic part
- magnetic
- oscillator
- vibration motor
- linear vibration
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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
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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
- H02K33/10—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 wherein the alternate energisation and de-energisation of the single coil system is effected or controlled by movement of the armatures
Abstract
The invention discloses a kind of linear vibration motor, including shell and arrange magnetic oscillator assembly in the enclosure and coil, described coil is arranged around described magnetic oscillator assembly；Described magnetic oscillator assembly is respectively provided on two sides with the first magnetic part along direction of vibration, and in the inner side of described shell, the position relative with both sides described in described magnetic oscillator assembly is respectively equipped with the second magnetic part, and the polarity of described first magnetic part and the second magnetic part is identical.By using the magnetic part of same polarity to replace elastic component, product overall volume can be reduced, can increase the service life simultaneously.
Description
Technical field
The present invention relates to vibrator field, particularly relate to a kind of linear vibration motor.
Background technology
Motor (oscillator, vibrator) is indispensable parts in the mobile terminal devices such as mobile phone, and its effect is with self
Vibration drive the vibration of place equipment, thus wish that quiet occasion notifies that by the way of vibration user comes at user
The information such as electricity, alarm clock.
The most just at popular a kind of novel motor, it is referred to as linear vibration motor, or linear oscillator.It is main
Feature has:
1, vibrate back and forth in a direction (for ensureing enough vibratory outputs, generally motor length direction)；
2, the amplitude of vibration, frequency can arbitrarily change, thus bring abundant vibration to experience to user；
3, profile (length, width, thickness) can customize according to the difference using environment, has bigger flexible design
Degree.
But linear motor in the market is all, with spring or shell fragment, oscillator is fixed on motor central authorities, there is following lacking
Point:
1, noise is easily produced during shell fragment or spring vibration；
2, spring and shell fragment need enough spaces, if spring shell fragment is the least does not just have elasticity, therefore cannot make overall knot
It is less that structure does；
3, shell fragment or spring surrender reason due to vibration has the life-span to limit.
Summary of the invention
The technical problem to be solved is: proposes a kind of linear vibration motor, can reduce product overall volume, prolong
Long life.
In order to solve above-mentioned technical problem, the technical solution used in the present invention is: a kind of linear vibration motor, including shell
And magnetic oscillator assembly in the enclosure and coil are set, described coil is arranged around described magnetic oscillator assembly；Described magnetic
Property vibrator component is along first magnetic part that is respectively provided on two sides with of direction of vibration, in the inner side of described shell, with described magnetic oscillator
Relative position, both sides described in assembly is respectively equipped with the second magnetic part, described first magnetic part and the polarity phase of the second magnetic part
With.
The beneficial effects of the present invention is: utilize the principle that Magnet same polarity is mutually exclusive, by conventional linear motor
Shell fragment or spring replace to the magnetic part of two same polarities, when the logical upper alternating voltage of coil, magnetic oscillator assembly to an end motion,
When moving to one end, push magnetic oscillator assembly to the other end by the repulsive force of magnetic part, when moving to the other end, also lead to
The repulsive force crossing magnetic part promotes magnetic oscillator assembly, thus realizes moving back and forth, and forms linear motor；By using magnetic part
Replace elastic component, product overall volume can be reduced, can increase the service life simultaneously.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the embodiment of the present invention one；
Fig. 2 is the detonation configuration schematic diagram of the embodiment of the present invention one.
Label declaration:
1, shell；2, magnetic oscillator assembly；3, coil；4, the first magnetic part；5, the second magnetic part；6, central shaft；
11, upper shell；12, lower house；13, the first side body；14, the second side body；
21, the first oscillator；22, the 3rd magnetic part；23, the 4th magnetic part；24, the second oscillator；25, distance piece.
Detailed description of the invention
By describing the technology contents of the present invention in detail, being realized purpose and effect, below in conjunction with embodiment and coordinate attached
Figure is explained in detail.
The design of most critical of the present invention is: replace elastic component with mutually exclusive magnetic part.
Referring to Fig. 1, a kind of linear vibration motor, including shell and arrange magnetic oscillator assembly in the enclosure and line
Circle, described coil is arranged around described magnetic oscillator assembly；Described magnetic oscillator assembly being respectively provided on two sides with along direction of vibration
First magnetic part, in the inner side of described shell, the position relative with both sides described in described magnetic oscillator assembly is respectively equipped with second
Magnetic part, the polarity of described first magnetic part and the second magnetic part is identical.
Knowable to foregoing description, the beneficial effects of the present invention is: by using magnetic part to replace elastic component, product can be reduced
Product overall volume, can increase the service life simultaneously.
Further, also including that central shaft, described central shaft are arranged in described shell, the two ends of described central shaft are respectively
The described shell of fixing connection arranges the both sides of the second magnetic part, and described magnetic oscillator assembly is set on described central shaft.
Seen from the above description, under the support of the first magnetic part and the second magnetic part, when the logical upper alternating voltage of coil, line
Circle drives magnetic oscillator assembly to move back and forth on center shaft, forms linear motor.
Further, described magnetic oscillator assembly includes being sequentially connected with the first oscillator, the 3rd magnetic part, the 4th magnetic part
With the second oscillator, described first oscillator, the 3rd magnetic part, the 4th magnetic part and the second oscillator are sequentially sleeved at described central shaft
On, described coil is arranged around described 3rd magnetic part and the 4th magnetic part.
Further, described first oscillator is provided with first groove suitable with described 3rd magnetic part, and the described 3rd
Magnetic part is connected with described first oscillator by described first groove；Described second oscillator is provided with and described 4th magnetic part phase
The second adaptive groove, described 4th magnetic part is connected with described second oscillator by described second groove.
Seen from the above description, by arranging groove, gluing fixes the 3rd magnetic part and the 4th magnetic part, can control magnetic
Property the overall concentricity of vibrator component, and increase structural stability.
Further, described magnetic oscillator assembly also includes that distance piece, described distance piece are set on described central shaft, institute
State the 3rd magnetic part to be connected by described distance piece and the 4th magnetic part.
Seen from the above description, by arranging distance piece between two magnetic parts, two in magnetic oscillator assembly are made
Magnetic part can preferably connect.
Further, described distance piece is provided with the limiting section suitable with described 3rd magnetic part and the 4th magnetic part.
Seen from the above description, by arranging limiting section, gluing fixes the 3rd magnetic part and the 4th magnetic part, can control
The concentricity of two magnetic parts in magnetic oscillator assembly, and increase structural stability.
Further, the cross section of described first oscillator, the 3rd magnetic part, the 4th magnetic part and the second oscillator is annular.
Further, described central shaft is cylinder.
Further, the cross section of described first magnetic part and the second magnetic part is annular.
Further, described shell generally cylinder.
Seen from the above description, entirety and each building block thereof are arranged to cylinder, can better control over and shake
The center of gravity of son, on the center of circle, improves product stability, and reduces noise odds, simplify product structure, reduction group simultaneously
Dress up this.
Embodiment one
Refer to Fig. 1, embodiments of the invention one are: a kind of linear vibration motor, including shell 1 and be arranged on shell
Magnetic oscillator assembly 2 in 1 and coil 3, described coil 3 is arranged around described magnetic oscillator assembly 2；Described magnetic oscillator assembly
2 are respectively provided on two sides with the first magnetic part 4, in the inner side of described shell 1, with described magnetic oscillator assembly 2 institute along direction of vibration
Stating relative position, both sides and be respectively equipped with the second magnetic part 5, described first magnetic part 4 is identical, also with the polarity of the second magnetic part 5
That is, the first magnetic part 4 and the second magnetic part 5 are mutually exclusive.Such as, during the direction of vibration of magnetic oscillator assembly 2 is Fig. 1
Left and right directions, then the magnetic oscillator assembly 2 in Fig. 1 be respectively arranged on the left side and the right side the first magnetic part 4, the then left and right two of shell 1
The second magnetic part 5 it is respectively equipped with inside end.
Also including that central shaft 6, described central shaft 6 are arranged in described shell 1, the two ends of described central shaft 6 are fixed respectively
Connecting described shell 1 and arrange the both sides of the second magnetic part 5, described magnetic oscillator assembly 2 is set on described central shaft 6.Enter one
Step ground, referring concurrently to Fig. 2, described shell 1 includes upper shell 11, lower house the 12, first side body 13 and the second side body 14, institute
The two ends stating central shaft 6 are respectively fixedly connected with the first side body 13 and the second side body 14.
Described magnetic oscillator assembly 2 includes the first oscillator the 21, the 3rd magnetic part the 22, the 4th magnetic part 23 and being sequentially connected with
Second oscillator 24, described first oscillator the 21, the 3rd magnetic part the 22, the 4th magnetic part 23 and the second oscillator 24 are sequentially sleeved at described
On central shaft 6, described coil 3 is arranged around described 3rd magnetic part 22 and the 4th magnetic part 23.Described magnetic oscillator assembly 2 is also
Including distance piece 25, described distance piece 25 is set on described central shaft 6, and described 3rd magnetic part 22 is by described distance piece 25
It is connected with the 4th magnetic part 23.
Preferably, described first oscillator 21 is provided with first groove suitable with described 3rd magnetic part 22, and described
Three magnetic parts 22 are connected with described first oscillator 21 by described first groove；Described second oscillator 24 is provided with and the described 4th
The second groove that magnetic part 23 is suitable, described 4th magnetic part 23 is by described second groove with described second oscillator 24 even
Connect.By arranging groove, gluing fixes the 3rd magnetic part 22 and the 4th magnetic part 23, can control the concentric of vibrator component entirety
Degree, and increase structural stability.
Preferably, described distance piece 25 is provided with suitable with described 3rd magnetic part 22 and the 4th magnetic part 23 spacing
Portion.By arranging limiting section, gluing fixes the 3rd magnetic part 22 and the 4th magnetic part 23, can control two magnetic in vibrator component
Property part concentricity, and increase structural stability.
Preferably, the cross section of described first oscillator the 21, the 3rd magnetic part the 22, the 4th magnetic part 23 and the second oscillator 24 is
Annular；Described central shaft 6 is cylinder；The cross section of described first magnetic part 4 and the second magnetic part 5 is annular；Described shell 1
Generally cylinder.By product is overall and each building block is arranged to cylinder, compared with square oscillator, can be preferably
By the gravity's center control of vibrator component on the center of circle, improve the structural stability of product；And vibrator component can be avoided at non-vibration
Direction produces bigger displacement, prevents other local collisions of vibrator component and product, thus reduces noise Probability, improves
Consumer's Experience.
Preferably, described shell 1 is metal shell；Described first magnetic part the 4, second magnetic part the 5, the 3rd magnetic part 22 and
4th magnetic part 23 is permanent magnet；Described 3rd magnetic part 22 is identical with the polarity of the 4th magnetic part 23.
Preferably, described coil 3 is connected with external circuit by filter circuit；At the first magnetic part 4 and the second magnetic part 5
Support under, when the logical upper alternating voltage of coil 3, coil 3 drives magnetic oscillator assembly 2 to move back and forth on central shaft 6, formation line
Property motor.
The present embodiment utilizes the principle that Magnet same polarity is mutually exclusive, the shell fragment in conventional linear motor or spring is replaced
Becoming the magnetic part of two same polarities, when the logical upper alternating voltage of coil, magnetic oscillator assembly is to an end motion, when moving to one end
Time, push magnetic oscillator assembly to the other end by the repulsive force of magnetic part, when moving to the other end, also by the row of magnetic part
Repulsion promotes magnetic oscillator assembly, thus realizes moving back and forth, and forms linear motor；By using the magnetic part of same polarity to replace
Elastic component, can reduce product overall volume, can increase the service life simultaneously.
In sum, a kind of linear vibration motor that the present invention provides, utilize the principle that Magnet same polarity is mutually exclusive, will
Shell fragment in conventional linear motor or spring replace to the magnetic part of two same polarities, and when the logical upper alternating voltage of coil, magnetic is shaken
Sub-component is to an end motion, when moving to one end, pushes magnetic oscillator assembly to the other end by the repulsive force of magnetic part, fortune
When moving the other end, the repulsive force also by magnetic part promotes magnetic oscillator assembly, thus realizes moving back and forth, and forms linear horse
Reach；By using magnetic part to replace elastic component, product overall volume can be reduced, can increase the service life simultaneously.Recessed by arranging
Groove, gluing is fixed the 3rd magnetic part and the 4th magnetic part, can be controlled the concentricity that magnetic oscillator assembly is overall, and increase structure
Stability；By arranging distance piece between two magnetic parts, in magnetic oscillator assembly two magnetic parts are made preferably to connect
Connect；By arranging limiting section, gluing fixes the 3rd magnetic part and the 4th magnetic part, can control two in magnetic oscillator assembly
The concentricity of magnetic part, and increase structural stability；Entirety and each building block thereof are arranged to cylinder, can be more preferable
The center of gravity of ground control oscillator, on the center of circle, improves product stability, and reduces noise odds, simplify product knot simultaneously
Structure, reduces assembly cost.
The foregoing is only embodiments of the invention, not thereby limit the scope of the claims of the present invention, every utilize this
The equivalents that bright description and accompanying drawing content are made, or directly or indirectly it is used in relevant technical field, the most in like manner include
In the scope of patent protection of the present invention.
Claims (10)
1. a linear vibration motor, it is characterised in that include shell and magnetic oscillator assembly in the enclosure and line are set
Circle, described coil is arranged around described magnetic oscillator assembly；Described magnetic oscillator assembly being respectively provided on two sides with along direction of vibration
First magnetic part, in the inner side of described shell, the position relative with both sides described in described magnetic oscillator assembly is respectively equipped with second
Magnetic part, the polarity of described first magnetic part and the second magnetic part is identical.
Linear vibration motor the most according to claim 1, it is characterised in that also include central shaft, described central shaft is arranged
In described shell, the two ends of described central shaft are respectively fixedly connected with described shell and arrange the both sides of the second magnetic part, described magnetic
Property vibrator component is set on described central shaft.
Linear vibration motor the most according to claim 2, it is characterised in that described magnetic oscillator assembly includes being sequentially connected with
The first oscillator, the 3rd magnetic part, the 4th magnetic part and the second oscillator, described first oscillator, the 3rd magnetic part, the 4th magnetic part
Being sequentially sleeved on described central shaft with the second oscillator, described coil is arranged around described 3rd magnetic part and the 4th magnetic part.
Linear vibration motor the most according to claim 3, it is characterised in that described first oscillator is provided with and the described 3rd
The first groove that magnetic part is suitable, described 3rd magnetic part is connected with described first oscillator by described first groove；Described
Second oscillator is provided with second groove suitable with described 4th magnetic part, and described 4th magnetic part passes through described second groove
It is connected with described second oscillator.
Linear vibration motor the most according to claim 3, it is characterised in that described magnetic oscillator assembly also includes interval
Part, described distance piece is set on described central shaft, and described 3rd magnetic part is connected by described distance piece and the 4th magnetic part.
Linear vibration motor the most according to claim 5, it is characterised in that described distance piece is provided with and described 3rd magnetic
Property part and the suitable limiting section of the 4th magnetic part.
7. according to the linear vibration motor described in any one of claim 3-6, it is characterised in that described first oscillator, the 3rd magnetic
Property part, the cross section of the 4th magnetic part and the second oscillator be annular.
8. according to the linear vibration motor described in any one of claim 2-6, it is characterised in that described central shaft is cylinder.
9. according to the linear vibration motor described in any one of claim 1-6, it is characterised in that described first magnetic part and second
The cross section of magnetic part is annular.
10. according to the linear vibration motor described in any one of claim 1-6, it is characterised in that described shell generally cylinder
Body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610605562.8A CN106230225A (en) | 2016-07-28 | 2016-07-28 | Linear vibration motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610605562.8A CN106230225A (en) | 2016-07-28 | 2016-07-28 | Linear vibration motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106230225A true CN106230225A (en) | 2016-12-14 |
Family
ID=57533405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610605562.8A Pending CN106230225A (en) | 2016-07-28 | 2016-07-28 | Linear vibration motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106230225A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102255467A (en) * | 2010-11-02 | 2011-11-23 | 东莞和仁电子科技有限公司 | Cylinder type linear vibration motor for portable communication device |
| CN104617734A (en) * | 2015-02-02 | 2015-05-13 | 瑞声光电科技(常州)有限公司 | Flat linear vibration motor |
| CN104660003A (en) * | 2015-02-02 | 2015-05-27 | 瑞声光电科技(常州)有限公司 | Flat linear vibration motor |
| JP2015126673A (en) * | 2013-12-27 | 2015-07-06 | 日本電産コパル株式会社 | Vibration actuator, and personal digital assistant |
| CN205986578U (en) * | 2016-07-28 | 2017-02-22 | 深圳市信维通信股份有限公司 | Linear vibrating motor |
-
2016
- 2016-07-28 CN CN201610605562.8A patent/CN106230225A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102255467A (en) * | 2010-11-02 | 2011-11-23 | 东莞和仁电子科技有限公司 | Cylinder type linear vibration motor for portable communication device |
| JP2015126673A (en) * | 2013-12-27 | 2015-07-06 | 日本電産コパル株式会社 | Vibration actuator, and personal digital assistant |
| CN104617734A (en) * | 2015-02-02 | 2015-05-13 | 瑞声光电科技(常州)有限公司 | Flat linear vibration motor |
| CN104660003A (en) * | 2015-02-02 | 2015-05-27 | 瑞声光电科技(常州)有限公司 | Flat linear vibration motor |
| CN205986578U (en) * | 2016-07-28 | 2017-02-22 | 深圳市信维通信股份有限公司 | Linear vibrating motor |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 518000 Guangdong Province, Shenzhen city Baoan District manhole Street Xihuan Road No. 1013, building B, A Applicant after: Shenzhen Sunway Communication Co., Ltd. Applicant after: Shenzhen Sunway Acoustics Technology Co Ltd Address before: 518000 Guangdong Province, Shenzhen city Baoan District manhole Street Xihuan Road No. 1013, building B, A Applicant before: Shenzhen Sunway Communication Co., Ltd. Applicant before: SHENZHEN YINWOSHI TECHNOLOGY CO., LTD. |
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| CB02 | Change of applicant information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161214 |
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| RJ01 | Rejection of invention patent application after publication |