CN106208600B - Linear vibration electric motor - Google Patents
Linear vibration electric motor Download PDFInfo
- Publication number
- CN106208600B CN106208600B CN201610579272.0A CN201610579272A CN106208600B CN 106208600 B CN106208600 B CN 106208600B CN 201610579272 A CN201610579272 A CN 201610579272A CN 106208600 B CN106208600 B CN 106208600B
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- CN
- China
- Prior art keywords
- electric motor
- linear vibration
- vibration electric
- elastomeric element
- receiving space
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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)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
The present invention provides a kind of linear vibration electric motor, the linear vibration electric motor includes shell, assembles to form the lid of receiving space, the magnetic circuit system being contained in the receiving space and the oscillator system driven by the magnetic circuit system with the shell, the oscillator system includes elastomeric element and is suspended in the receiving space and along the coil and clump weight vibrated perpendicular to the direction of the lid by the elastomeric element, the lid includes ontology and convex closure from the ontology to the receiving space internal projection that formed from, and the convex closure is fixedly connected with the elastomeric element.Compared with the relevant technologies, linear vibration electric motor provided by the invention is fixedly connected by the convex closure with the elastomeric element, not only eliminate the step of fixed block is positioned and connect with cover board in assembling process, it is thus also avoided that security risk that may be present between cover board and fixed block.
Description
【Technical field】
The present invention relates to a kind of vibrating motor more particularly to a kind of linear vibration electric motors of optimization magnetic circuit.
【Background technology】
With the development of electronic technology, portable consumer electronic product is more and more welcomed by the people, such as mobile phone, palm
Game machine, navigation device or palm multimedia entertainment equipment etc., these electronic products generally can all use vibrating motor and be to do
System feedback, such as the incoming call prompting of mobile phone, information alert, navigation hint, game machine vibrational feedback etc..So it is widely applied
Require the performance of vibrating motor high.
The linear vibration electric motor of the relevant technologies includes lid, the fixed block being connect with the lid and the oscillator system
System, the oscillator system includes the elastomeric element being fixedly connected with the fixed block.When assembly, the lid and the fixed block
It needs first to be positioned, could be connected after positioning.In addition, that there may be connection reliability is bad for the lid and the fixed block
The problem of.
Therefore, it is really necessary to provide a kind of new linear vibration electric motor to solve the above problems.
【Invention content】
The purpose of the present invention is to provide a kind of linear vibration electric motors, are used to solve the linear vibration electric motor of the relevant technologies
It needs first to position and connect afterwards and lid and the bad technical problem of convex closure connection reliability there are lid and convex closure.
In order to solve the above-mentioned technical problem, a kind of linear vibration electric motor is devised comprising shell is assembled with the shell
Form lid, the magnetic circuit system being contained in the receiving space and the oscillator system driven by the magnetic circuit system of receiving space
System, the oscillator system include elastomeric element and by the elastomeric element be suspended in the receiving space and along perpendicular to
The lid direction vibration coil and clump weight, the lid include ontology and from the ontology into the receiving space
The convex closure convexed to form, the convex closure are fixedly connected with the elastomeric element.
Preferably, the convex closure includes far from the ontology and the roof being connect with the elastomeric element and the connection top
The side wall of wall and the ontology.
Preferably, the elastomeric element includes the first fixed part being fixedly connected with the coil, is fixed from described first
Portion extend to form and be fixedly connected with the clump weight the second fixed part, extended to form from first fixed part and be used to produce
Raw elastically-deformable deformations and the third fixed part for extending to form from the deformations and being fixedly connected with the roof.
Preferably, the convex closure is vertical from the lateral receiving space direction of one of the ontology far from the receiving space
It is stamped and formed out.
Preferably, the quantity of the convex closure and the elastomeric element is two, and two convex closures are located at institute
It states at the diagonally opposing corner of ontology.
Preferably, the linear vibration electric motor further includes the conduction for being fixed on the clump weight and being electrically connected with the coil
Part and the conducting wire for realizing the conduct piece and extraneous power electric connection.
Preferably, the conducting wire includes the first conductive part being electrically connected with the conduct piece and extraneous power electric connection
The third conductive part of second conductive part and connection first conductive part and second conductive part, the third conductive part are in
Bending is arranged.
Preferably, the quantity of the conducting wire and the conduct piece is two, and two conduct pieces respectively with the line
Circle electrical connection.
Preferably, the quantity of the clump weight is two pieces, and each clump weight includes counterweight block body, matches described in
The heart is recessed and the groove to be formed and is extended to form to the housing direction from the counterweight block body pouring weight body edges thereto
The opening of extension, two grooves is oppositely arranged, and two extensions are fixedly connected with two conduct pieces respectively.
Preferably, the oscillator system further includes the connector for connecting the coil and the clump weight, the connector
The coil is respectively arranged on along the both sides of its direction of vibration with the elastomeric element.
Compared with the relevant technologies, the advantageous effect of linear vibration electric motor provided by the invention is：The lid includes this
Body and the convex closure formed from the ontology to the receiving space internal projection, the convex closure are fixedly connected with the elastomeric element.
By the way that the elastomeric element is fixedly connected on the convex closure, not only eliminates fixed block in assembling process and position and connect with cover board
The step of connecing, it is thus also avoided that security risk that may be present between cover board and fixed block, and then linear oscillator electricity can be improved
The reliability of machine.
【Description of the drawings】
Fig. 1 is the stereochemical structure exploded view of linear vibration electric motor provided by the invention；
Fig. 2 is the structural schematic diagram of another angle of clump weight in linear vibration electric motor shown in Fig. 1；
Fig. 3 is the structural schematic diagram after linear vibration electric motor assembling shown in Fig. 1；
Fig. 4 is linear vibration electric motor shown in Fig. 3 along the sectional view in the directions A-A；
Fig. 5 is linear vibration electric motor shown in Fig. 3 along the sectional view in the directions B-B；
Fig. 6 is linear vibration electric motor shown in Fig. 3 along the sectional view in the directions C-C.
【Specific implementation mode】
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that the described embodiments are only some of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, wherein Fig. 1 is linear vibration electric motor provided by the invention
Stereochemical structure exploded view, Fig. 2 is the structural schematic diagram of another angle of clump weight in linear vibration electric motor shown in Fig. 1, and Fig. 3 is figure
Structural schematic diagram after the assembling of linear vibration electric motor shown in 1, Fig. 4 are linear vibration electric motor shown in Fig. 3 along the section view in the directions A-A
Figure, Fig. 5 are sectional view of the linear vibration electric motor shown in Fig. 3 along the directions B-B, and Fig. 6 is linear vibration electric motor shown in Fig. 3 along the side C-C
To sectional view.The present invention provides a kind of linear vibration electric motor 100, include shell 1 with receiving space, be fixedly arranged on it is described
Magnetic circuit system 2 in receiving space, the oscillator system 5 driven by the magnetic circuit system 3, be fixed on the oscillator system 5 and with
The conduct piece 7 of the electrical connection of the oscillator system 5, the conducting wire 8 being electrically connected with the conduct piece 7 and the realization conducting wire 8 and the external world
The electrical connector 9 of power electric connection.
The shell 1 includes shell 11 and connects the lid 13 to form receiving space with 11 groups of the shell.
The lid 13 includes ontology 131 and the convex closure formed from the ontology 131 to the receiving space internal projection
133.In the present embodiment, the quantity of the convex closure 133 is two, and two convex closures 133 are located at the ontology 131
Diagonally opposing corner at；And the convex closure 133 is from the lateral receiving space side of one of the ontology 131 far from the receiving space
To being vertically stamped and formed out.
The convex closure 133 includes far from the ontology 131 and the roof 135 being connect with the oscillator system 5 and connection institute
State the side wall 137 of roof 135 and the ontology 131.
The magnetic circuit system 3 include main magnetic circuit system 31 and be respectively arranged on 31 two opposite sides of main magnetic circuit system and with institute
State the secondary magnetic circuit system 33 that magnetic gap is formed between main magnetic circuit system 31.
The main magnetic circuit system 31 includes being attached at the first magnet steel 311 of 11 bottom of the shell and being stacked at successively described
Pole piece 313 on first magnet steel 311 and the second magnet steel 315, and second magnet steel 315 is far from 311 side of the first magnet steel
Surface be attached at the bottom wall 15.
First magnet steel 311 and second magnet steel 315 are identical magnet steel, and first magnet steel 311 and described
Second magnet steel, 315 homopolarity is oppositely arranged.In the present embodiment, the homopolarity phase of first magnet steel 311 and second magnet steel 315
It can be the set-up mode of N-S-S-N to set-up mode, or the set-up mode of S-N-N-S.
The quantity of the pair magnetic circuit system 33 is two, respectively includes the third magnet steel for being attached at 11 bottom of the shell
331 and the 4th magnet steel 333 that is stacked on the third magnet steel 331.Wherein, the third magnet steel 331 magnetizes vertically, and described
Four magnet steel, 333 level magnetizes.
Two third magnet steel 331 are located at the two opposite sides of first magnet steel 311, and the third magnet steel
The setting direction of 331 magnetic pole is opposite with the setting direction of magnetic pole of first magnet steel 311.
Two the 4th magnet steel 333 are located at the two opposite sides of the pole piece 313 and homopolarity is oppositely arranged, and homopolarity
The pole for the magnetic pole that the polarity for the magnetic pole being oppositely arranged is oppositely arranged with first magnet steel 311 and 315 homopolarity of the second magnet steel
Property is opposite.Specifically, being N-S-S-N's when the homopolarity of first magnet steel 311 and second magnet steel 315 is oppositely arranged mode
When set-up mode, the homopolarity of two the 4th magnet steel 333 is oppositely arranged the set-up mode that mode is S-N-N-S；When described
When the homopolarity of one magnet steel 311 and second magnet steel 315 is oppositely arranged the set-up mode that mode is S-N-N-S, two described the
The homopolarity of four magnet steel 333 is oppositely arranged the set-up mode that mode is N-S-S-N.
By by first magnet steel 311 and second magnet steel, 315 and two the 4th magnet steel 333 according to homopolarity phase
To mode be arranged, and the polarity of magnetic pole that is oppositely arranged of two 333 homopolarities of the 4th magnet steel and first magnet steel 311 and institute
The polarity for stating the magnetic pole that 315 homopolarity of the second magnet steel is oppositely arranged is opposite；Again by setting the two third magnet steel 331 to magnetic pole
Setting direction and first magnet steel 311 magnetic pole setting direction on the contrary, the main magnetic circuit system 31 and institute can be increased
State the magnetic field intensity in the magnetic gap formed between secondary magnetic circuit system 33.
The oscillator system 5 includes coil 51, elastomeric element 53, clump weight 55 and connector 56, and the coil 51 is inserted into
It is set in the magnetic gap formed between the main magnetic circuit system 31 and the secondary magnetic circuit system 33 and around the pole piece 313
It sets, the elastomeric element 53 connect with the roof 135 of the convex closure 133 and is used for the coil 51 and the clump weight
55 are suspended in the receiving space, and the connector 56 is separately connected the coil 51 and the clump weight 55, and the bullet
Property component 53 and the connector 56 be respectively arranged on the line along the direction of first magnet steel 311 to second magnet steel 315
Enclose 51 both sides.In the present embodiment, lid 13 described in 53 face of the elastomeric element is arranged, shell described in 56 face of the connector
The bottom wall of body 11 is arranged.
After the coil 51 is powered, the coil 51 can shake under the action of 3 magnetic field of magnetic circuit system along the directions Z-Z
Dynamic, at the same time, the elastomeric element 53, the clump weight 55 and the connector 56 vibrate together with the coil 51.Its
In, the Z-Z is oriented parallel to first magnet steel 311 to the direction of second magnet steel 315.By the way that the connector is arranged
The 56 connections coil 51 and the clump weight 55 so that 55 connection reliability higher of the coil 51 and the clump weight, together
Shi Suoshu coils 51 drive the clump weight 55 to move by the elastomeric element 53 and the connector 56, increase the coil
51 intensity.
The coil 51 includes a pair of of long axis for being connected 513, end of incoming cables 515 and leading-out terminal in 511, a pair of of short axle
517.Long axis both sides of a 513 wherein sides at 511 and the short axle are respectively equipped with the secondary magnetic circuit system 33, another party
Both sides be respectively equipped with the clump weight 55, the end of incoming cables 515 and the leading-out terminal 517 are electrically connected with the conduct piece 7 respectively
It connects.
The quantity of the elastomeric element 53 is symmetrically arranged two, and two elastomeric elements 53 include and the coil
51 be fixedly connected the first fixed part 531, extend to form from first fixed part 531 and be fixedly connected with the clump weight 55
The second fixed part 533, extend to form from first fixed part 531 and for generate elastically-deformable deformations 535 and
The third fixed part 537 for extending to form from the deformations 535 and being fixedly connected with the roof 135 of the convex closure 133.
In the present embodiment, two elastomeric elements 53 can also be structure as a whole, i.e., described the first of two elastomeric elements 53 fix
Portion 531 constitutes a ring bodies to match with the shape of the coil 51, and the present embodiment is not especially limited this.
The quantity of the clump weight 55 be two, two clump weights 55 include extension 57, counterweight block body 58 and
Groove 59.The extension 57 is extended to form from the counterweight block body 58 to 11 direction of the shell, and the groove 59 is from institute
Stating 58 edge of counterweight block body, the heart is recessed to be formed thereto.The extension 57 is for being fixedly connected with the conduct piece 7, described in two
The opening of groove 59 is oppositely arranged, and a pair of short axle side 513 of the coil 51 is located in the groove 59.
The counterweight block body 58 includes the upper surface 581 being fixedly connected with second fixed part 533 and the upper table
The opposite lower surface 583 in face 581 is recessed to be formed and be used to avoid described from the upper surface 581 to 583 direction of the lower surface
The recessing groove 585 of deformations 535 and the convex closure 133 and it is recessed to be formed from the lower surface 583 to 581 direction of the upper surface
And the mounting groove 587 being fixedly connected with the connector 56.
The opening of two mounting grooves 587 is oppositely arranged, and the profile of the opening of the mounting groove 587 and the groove 59
Outline portion overlap.Wherein, lid 13 described in 581 face of the upper surface, shell 11 described in 583 face of the lower surface
Bottom wall.
The deformations 535 and the convex closure 133 are avoided by the way that the recessing groove 585 is arranged, the elasticity can be prevented
Component 53 and the clump weight 55 in the coil 51 together vibration processes, the clump weight 55 and the deformations 535 and
The convex closure 133 collides, to improve the reliability of the linear vibration electric motor 100.
The connector 56 include the cricoid main part 561 being connect with the coil 51 and from the main part 561 to
The interconnecting piece 563 that 55 direction of the clump weight extends.The main part 561 matches with 51 shape of the coil, the connection
Portion 563 is fixedly connected on the mounting groove 587 of the clump weight 55.In the present embodiment, the main part 561 can also be done
At separate structure.
The quantity of the conduct piece 7 is two, and two conduct pieces 7 are respectively fixedly connected in two clump weights 55
The extension 57, and be electrically connected respectively with the end of incoming cables 515 of the coil 51 and the leading-out terminal 517.
By the way that the end of incoming cables 515 of the coil 51 and the leading-out terminal 517 are individually fixed in two conduct pieces
7 so that the end of incoming cables 515 of the coil 51 and the leading-out terminal 517 and 7 synchronous vibration of the conduct piece avoid institute
The end of incoming cables 515 and the leading-out terminal 517 for stating coil 51 are broken.
The conducting wire 8 includes the first conductive part 81 being electrically connected with the conduct piece 7, is electrically connected with the electrical connector 9
The second conductive part 83 and connection first conductive part 81 and second conductive part 83 third conductive part 85, described the
Three conductive parts 85 are arranged in bending.In the present embodiment, the conducting wire 8 is copper conductor, the conduct piece 7 and the electrical connection
Part 9 is flexible PCB.Realize that the coil 51 is electrically connected with extraneous power supply in the conducting wire 8 of bending setting by setting
It connects, so that the coil 51 and the clump weight 55 are in vibration, the conducting wire 8 can unfold and receive in a certain range
Contracting, to improve the stability of the linear vibration electric motor 100.
The advantageous effect of linear vibration electric motor provided by the invention is：The lid 13 is including ontology 131 and described in
The convex closure 133 that ontology 131 is formed to the receiving space internal projection, the convex closure 133 are fixedly connected with the elastomeric element 53.
By the way that the elastomeric element 53 is fixedly connected on the convex closure 133, it is fixed not only to eliminate fixed block and cover board in assembling process
The step of position and connection, it is thus also avoided that security risk that may be present between cover board and fixed block, and then can improve linear
The reliability of vibrating motor.
Above-described is only embodiments of the present invention, it should be noted here that for those of ordinary skill in the art
For, without departing from the concept of the premise of the invention, improvement can also be made, but these belong to the protection model of the present invention
It encloses.
Claims (9)
1. a kind of linear vibration electric motor comprising shell, assembled with the shell to be formed the lid of receiving space, be contained in it is described
Magnetic circuit system in receiving space and the oscillator system driven by the magnetic circuit system, the oscillator system include elastomeric element with
And the coil and match that in the receiving space and edge is vibrated perpendicular to the direction of the lid are suspended in by the elastomeric element
Pouring weight, it is characterised in that：The lid includes ontology and convex closure from the ontology to the receiving space internal projection that formed from, institute
It includes the side far from the ontology and the roof being connect with the elastomeric element and the connection roof and the ontology to state convex closure
Wall, the elastomeric element is parallel with the ontology and interval is arranged.
2. linear vibration electric motor according to claim 1, it is characterised in that：The elastomeric element includes solid with the coil
Surely the first fixed part connected, the second fixation for extending to form from first fixed part and being fixedly connected with the clump weight
Portion extends to form from first fixed part and is used to generate elastically-deformable deformations and extended to form from the deformations
And the third fixed part being fixedly connected with the roof.
3. according to the linear vibration electric motor described in any one of claim 1-2, it is characterised in that：The convex closure is from the ontology
A lateral receiving space direction far from the receiving space is vertically stamped and formed out.
4. linear vibration electric motor according to claim 3, it is characterised in that：The quantity of the convex closure and the elastomeric element
It it is two, and two convex closures are located at the diagonally opposing corner of the ontology.
5. linear vibration electric motor according to claim 1, it is characterised in that：The linear vibration electric motor further includes being fixed on
The clump weight and the conduct piece being electrically connected with the coil and the conducting wire for realizing the conduct piece and extraneous power electric connection.
6. linear vibration electric motor according to claim 5, it is characterised in that：The conducting wire includes being electrically connected with the conduct piece
The first conductive part for connecing, with the second conductive part of extraneous power electric connection and connect first conductive part and described second and lead
The third conductive part in electric portion, the third conductive part are arranged in bending.
7. linear vibration electric motor according to claim 5, it is characterised in that：The quantity of the conducting wire and the conduct piece is equal
It it is two, and two conduct pieces are electrically connected with the coil respectively.
8. linear vibration electric motor according to claim 7, it is characterised in that：The quantity of the clump weight is two pieces, each
The clump weight include counterweight block body, from the clump weight body edges thereto the heart be recessed the groove to be formed and from described in
The opening of the extension that counterweight block body is extended to form to the housing direction, two grooves is oppositely arranged, two extensions
Portion is fixedly connected with two conduct pieces respectively.
9. linear vibration electric motor according to claim 1, it is characterised in that：The oscillator system further includes the connection line
The connector of circle and the clump weight, the connector are respectively arranged on the coil along its direction of vibration with the elastomeric element
Both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610579272.0A CN106208600B (en) | 2016-07-21 | 2016-07-21 | Linear vibration electric motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610579272.0A CN106208600B (en) | 2016-07-21 | 2016-07-21 | Linear vibration electric motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106208600A CN106208600A (en) | 2016-12-07 |
| CN106208600B true CN106208600B (en) | 2018-09-21 |
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ID=57492337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610579272.0A Expired - Fee Related CN106208600B (en) | 2016-07-21 | 2016-07-21 | Linear vibration electric motor |
Country Status (1)
| Country | Link |
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| CN (1) | CN106208600B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108206619B (en) * | 2018-02-11 | 2020-07-14 | 瑞声科技(新加坡)有限公司 | Linear vibration motor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202135032U (en) * | 2011-06-08 | 2012-02-01 | 瑞声声学科技(常州)有限公司 | Vibrating motor |
| KR20120028221A (en) * | 2010-09-14 | 2012-03-22 | 주식회사 모아텍 | Linear vibrator and manufacturing of thereof |
| KR101197095B1 (en) * | 2012-02-14 | 2012-11-07 | 영남대학교 산학협력단 | The vibration motor and electrostatic precipitator using that vibration motor as exciter |
| CN102820760A (en) * | 2012-01-06 | 2012-12-12 | 瑞声声学科技(深圳)有限公司 | Vibration motor, upper cover of vibration motor and production method of upper cover |
| KR20130013077A (en) * | 2011-07-27 | 2013-02-06 | 엘지이노텍 주식회사 | Linear vibrator |
| CN203368282U (en) * | 2013-08-12 | 2013-12-25 | 重庆市灵龙电子有限公司 | Linear vibration motor |
| KR20140128525A (en) * | 2013-04-26 | 2014-11-06 | 박준 | Linear Actuator |
-
2016
- 2016-07-21 CN CN201610579272.0A patent/CN106208600B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120028221A (en) * | 2010-09-14 | 2012-03-22 | 주식회사 모아텍 | Linear vibrator and manufacturing of thereof |
| CN202135032U (en) * | 2011-06-08 | 2012-02-01 | 瑞声声学科技(常州)有限公司 | Vibrating motor |
| KR20130013077A (en) * | 2011-07-27 | 2013-02-06 | 엘지이노텍 주식회사 | Linear vibrator |
| CN102820760A (en) * | 2012-01-06 | 2012-12-12 | 瑞声声学科技(深圳)有限公司 | Vibration motor, upper cover of vibration motor and production method of upper cover |
| KR101197095B1 (en) * | 2012-02-14 | 2012-11-07 | 영남대학교 산학협력단 | The vibration motor and electrostatic precipitator using that vibration motor as exciter |
| KR20140128525A (en) * | 2013-04-26 | 2014-11-06 | 박준 | Linear Actuator |
| CN203368282U (en) * | 2013-08-12 | 2013-12-25 | 重庆市灵龙电子有限公司 | Linear vibration motor |
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| Publication number | Publication date |
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| CN106208600A (en) | 2016-12-07 |
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