CN106160393A - Linear vibration motor - Google Patents
Linear vibration motor Download PDFInfo
- Publication number
- CN106160393A CN106160393A CN201610736522.7A CN201610736522A CN106160393A CN 106160393 A CN106160393 A CN 106160393A CN 201610736522 A CN201610736522 A CN 201610736522A CN 106160393 A CN106160393 A CN 106160393A
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- CN
- China
- Prior art keywords
- magnet steel
- vibration motor
- linear vibration
- mass
- pole
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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.)
- Pending
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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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
- H02K41/02—Linear motors; Sectional motors
- H02K41/03—Synchronous motors; Motors moving step by step; Reluctance motors
- H02K41/031—Synchronous motors; Motors moving step by step; Reluctance motors of the permanent magnet type
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Electromagnetism (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The present invention relates to a kind of linear vibration motor, it includes a upper casing, one lower casing, at least one mass, at least one magnet steel, a pair elastic supporting member for supporting optical member, at least one coil and a circuit board, described upper casing and lower casing surround a receiving space jointly, described magnet steel is fixed on mass and forms a vibrator component, described elastic supporting member for supporting optical member supports vibrator component and is suspended on receiving space, described coil welds downwards and is on circuit board, and it is positioned at below magnet steel, described linear vibration motor also includes the support being fixed in receiving space, described coil and circuit board are fixed on support jointly, composition stator group part, by arranging support, realize modularity to assemble, reduce and assemble difficulty, improve assembly precision and production efficiency, reduce cost.
Description
Technical field
The present invention relates to a kind of linear vibration motor, particularly relate to a kind of straight-line oscillation horse with coil and mass
Reach.
Background technology
Along with the development of electronic technology, the incoming call silent alert of mobile communication terminal such as mobile phone etc., need by fuselage
Alerting by vibration user, and the parts producing vibration are built-in miniature linear vibration motor, and additionally vibromasseur etc. are little
The core devices of type medical health equipment is also built-in miniature linear vibration motor.
The prior art relevant to this case be referred to Chinese patent announce No. 201577015 disclose a kind of straight line shake
Dynamic motor, it includes upper casing, pedestal, coil, mass, magnet steel, metal clips and circuit board.Shape between upper casing and pedestal
Becoming a receiving space, coil, mass, magnet steel and metal clips to be contained in this receiving space, pedestal includes some sidewalls and hangs down
The direct-connected diapire connecing sidewall.Metal clips is provided with the fixed part being positioned on sidewall and the joint being fixed together with mass
Portion.Mass is unsettled in receiving space by metal clips together with magnet steel, and magnet steel is set to two, and mass is provided with fixing magnetic
Two through holes of steel, coil is positioned at below magnet steel, is welded on circuit board, and circuit board is fixed on diapire.Outside coil connects
After portion's alternating current, mass and magnet steel do oscillation crosswise in receiving space, and metal clips is constantly compressed and discharges, it is achieved
The function of linear vibration motor.
Summary of the invention
Object of the present invention is to provide a kind of linear vibration motor realizing modularity assembling.
For realizing object defined above, the present invention adopts the following technical scheme that a kind of linear vibration motor, and it includes machine on
Shell, a lower casing, at least one mass, at least one magnet steel, a pair elastic supporting member for supporting optical member, at least one coil and a circuit board, described
Upper casing and lower casing surround a receiving space jointly, and described magnet steel is fixed on mass and forms a vibrator component, described bullet
Property support member vibrator component support be suspended on receiving space, described coil welds downwards and is on circuit board, and is positioned at magnetic
Below steel, described linear vibration motor also includes the support being fixed in receiving space, and described coil is fixed jointly with circuit board
On support, form stator group part.
Linear vibration motor of the present invention also includes the support being fixed in receiving space, and described coil and circuit board are jointly solid
On support, forming stator group part, by arranging support, after circuit board and coil are fixed on support, support is fixed on
In receiving space, it is achieved modularity assembles, reduce and assemble difficulty, improve assembly precision and production efficiency, reduce cost.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of linear vibration motor of the present invention.
Fig. 2 is the schematic perspective view of another angle of linear vibration motor of the present invention.
Fig. 3 is the Fig. 1 sectional view along c-c direction.
Fig. 4 is the three-dimensional exploded view of linear vibration motor of the present invention.
Fig. 5 is the schematic perspective view of linear vibration motor of the present invention, does not shows upper casing and lower casing.
Fig. 6 is the view of another angle of Fig. 5.
Fig. 7 is the schematic perspective view of linear vibration motor of the present invention, for display upper casing, lower casing and elastic support sheet.
Fig. 8 is the plan view that each magnet steel of linear vibration motor of the present invention cooperates.
Fig. 9 is the plan view cooperated between linear vibration motor superior pole piece of the present invention, inferior pole piece, coil pole magnet steel,
Show the magnetic line of force simultaneously.
Detailed description of the invention
Referring to shown in Fig. 1 to Fig. 9, linear vibration motor 100 of the present invention includes upper casing 11, lower casing 12, superior pole piece
21, inferior pole piece 22, centroplasm gauge block 31, limit mass 32, big magnet steel 41, center magnet steel 42, little magnet steel 43, elastic supporting member for supporting optical member
50, support 60, padded 70, circuit board 80 and coil 90.Superior pole piece 21, inferior pole piece 22, centroplasm gauge block 31, limit mass
32, big magnet steel 41, center magnet steel 42, little magnet steel 43 and elastic supporting member for supporting optical member 50 form vibrator component, support 60, padded 70, electricity
Road plate 80 and coil 90 form stator module, and when linear vibration motor 100 works, vibrator component is shaken relative to about stator module
Dynamic, it is achieved that the function of linear vibration motor 100.
Being surrounded by a receiving space 110 between upper casing 11 and lower casing 12, upper casing 11 includes roof 111 and vertically connects
Connecing some sidewalls 112 of roof 111, lower casing 12 is horizontal platy structure, hides the bottom of receiving space 110, each sidewall 112
It is supported on downwards on lower casing 12, and uses laser welding to be integrally fixed.Lower casing 12 has forwardly convex in sidewall 112
A supporting plate 120, in order to place circuit board 80, sidewall 112 is provided with the opening 113 being positioned at above supporting plate 120.
Superior pole piece 21 and inferior pole piece 22 horizontal positioned, be parallel to each other.Centroplasm gauge block 31, limit mass 32, big magnet steel 41,
Center magnet steel 42 and little magnet steel 43 are clamped and fastened between superior pole piece 21 and inferior pole piece 22 jointly, reduce the magnetic line of force and are dispersed into straight line
Outside vibrating motor 100.
Centroplasm gauge block 31 also horizontal positioned, is provided with the fixing hole 310 run through up and down.Limit mass 32 is set to one
Right, it is fixed on the left and right sides of centroplasm gauge block 31, mutually by sticking together, the upper surface of three tends to coplanar.Limit mass
The thickness of 32, more than the thickness of centroplasm gauge block 31, downwardly projecting exceedes centroplasm gauge block 31, is so designed that, is conducive to utilizing receipts
Hold the confined space in space 110, increase the weight of limit mass 32, promote the vibration sense of linear vibration motor 100.
Big magnet steel 41 is set to one, and center magnet steel 42 and little magnet steel 43 are respectively set to a pair, the position, S pole of big magnet steel 41
In upper end, N pole is positioned at lower end, wherein position, the N pole left end of a center magnet steel 42, and S pole is positioned at right-hand member, and another center magnet steel 42
S pole is positioned at left end, and N pole is positioned at right-hand member, and the N pole of two little magnet steel 43 is positioned at upper end, and S pole is positioned at lower end.Five magnet steel 41,42,43
Being arranged in a row in left-right direction, be jointly fixed in the fixing hole 310 of centroplasm gauge block 31, specifically, big magnet steel 41 is fixed
Between this is to center magnet steel 42, big magnet steel 41 and this center magnet steel 42 is fixed on this to little magnet steel 43 between.Refer to Fig. 8
Shown in, the magnetic line of force is more concentrated, and it is less that magnetic leaks, and improves long-range navigation magnetic force, strengthens the driving force of oscillator, improves vibration sense.
Elastic supporting member for supporting optical member 50 is set to a pair, and each elastic supporting member for supporting optical member 50 takes the shape of the letter U in the vertical direction, and it includes being located at two
The abutting end 51 of end, fixing end 52 and connection abutting end 51 and the U-shaped connecting portion 53 fixing end 52.Abutting end 51 and limit quality
Block 32 is fixed together by laser welding, and fixing end 52 is fixed on upper casing 11 sidewall 112 inner surface, bullet by laser welding
Property support member 50 by vibrator component flying shore in receiving space 110.Strong with the structure of fixing end 52 for increasing abutting end 51
Degree, prevents from being broken off, and abutting end 51 is also respectively welded metal reinforcement strip 54 with the outer surface of fixing end 52, and abutting end 51 is fixed
Between limit mass 32 and reinforced sheet 54, fixing end 52 is fixed between sidewall 112 and reinforced sheet 54.
Support 60 takes the shape of the letter U at fore-and-aft direction, and it includes a base plate 61 and is folded upward at extension from base plate about 61 two ends
Pair of side plates 62, base plate 61 is provided with about one perforate 610 running through base plate 61, and the two ends, left and right of perforate 610 also extend through this offside
Plate 62, base plate 61 is fixed on lower casing 12 inner surface by laser welding.The thickness of inferior pole piece 22 and width are respectively smaller than perforate
The thickness of 610 and width, inferior pole piece 22 is through this perforate 610, and with support 60 matched in clearance, two ends, left and right protrude out support 60,
Being welded in limit mass 32 lower surface, limit mass 32 lower surface is provided with the groove 320 housing inferior pole piece 22.
It is set to the two-part construction that time interval is opened for padded 70, on fixing base plate 61, is positioned at before and after perforate 610 two
Side.
Circuit board 80 is printed circuit board (PCB) (PCB) or flexible circuit board (FPC), is held downwardly in padded by double faced adhesive tape
On 70, by padded 70 height adding circuit board 80, it is prevented effectively from inferior pole piece 22 and touches circuit board 80, improve oscillator
Vibration usefulness.Circuit board 80 has the afterbody 81 protruded out forward, and afterbody 81 is through upper casing 11 opening 113, and is supported in down
On casing 12 supporting plate 120, in order to connect external power source.
Coil 90 is set to two, a coil clockwise, and another is counter-clockwise coil, and two coils 90 are in left-right direction
Being welded on circuit board 80, coil 90 and support 60 are co-located at centroplasm gauge block 31, big magnet steel 41, center magnet steel 42 and little magnetic
The lower section of steel 43, and spaced apart.
Linear vibration motor 100 of the present invention is by arranging support 60, and circuit board 80 and coil 90 are fixed on support 60, support
In 60 receiving spaces 110 being fixed on upper casing 11, lower casing 12 again, it is achieved modularity assembles, reduce and assemble difficulty, raising group
Dress precision and production efficiency, reduce cost.
Although being example purpose, have been disclosed for the preferred embodiment of the present invention, but the ordinary skill people of this area
Member it will be appreciated that in the case of without departing from by scope and spirit of the present invention disclosed in appending claims, various changes
It is possible for entering, increasing and replacing.
Claims (10)
1. a linear vibration motor, it includes a upper casing, a lower casing, at least one mass, at least one magnet steel, a pair bullet
Property support member, at least one coil and a circuit board, described upper casing and lower casing surround a receiving space jointly, and described magnet steel is solid
Forming a vibrator component on mass, described elastic supporting member for supporting optical member supports vibrator component and is suspended on receiving space, described line
Circle welding downwards is on circuit board, and is positioned at below magnet steel, it is characterised in that: described linear vibration motor also includes fixing
Support in receiving space, described coil and circuit board are fixed on support jointly, form stator group part.
Linear vibration motor the most according to claim 1, it is characterised in that: described support includes base plate and from about base plate
Two ends are folded upward at the pair of side plates extended, and described stator module is between base plate and side plate.
Linear vibration motor the most according to claim 2, it is characterised in that: described stator module is provided with and is clamped in circuit board
And padded between base plate.
Linear vibration motor the most according to claim 3, it is characterised in that: described base plate is provided with the perforate run through up and down,
Side plate is run through at two ends, described perforate left and right, and described padded is two, is positioned at both sides before and after perforate.
Linear vibration motor the most according to claim 4, it is characterised in that: described vibrator component includes an inferior pole piece, institute
Stating the thickness of inferior pole piece and width and be respectively smaller than thickness and the width of perforate, inferior pole piece passes this perforate, coordinates with standoff gap,
The two ends, left and right of inferior pole piece protrude out support, are welded in mass lower surface.
Linear vibration motor the most according to claim 4, it is characterised in that: described vibrator component also includes a superior pole piece,
Described superior pole piece is welded in the upper surface of mass and magnet steel, and described upper casing includes roof and downwardly extends from roof periphery
Some sidewalls, described sidewall is supported in downwards on lower casing, and described lower casing is horizontal structure, described support laser welding in
On lower casing.
Linear vibration motor the most according to claim 5, it is characterised in that: described mass includes centroplasm gauge block and consolidates
Due to the both sides mass at two ends, centroplasm gauge block left and right, the left back two ends of described inferior pole piece are welded on the mass of limit, described
The lower surface of limit mass is provided with the groove housing inferior pole piece.
Linear vibration motor the most according to claim 7, it is characterised in that: described both sides mass and centroplasm gauge block
Upper surface tends to coplanar, but both sides mass is downwardly projecting exceedes centroplasm gauge block.
Linear vibration motor the most according to claim 1, it is characterised in that: described mass is provided with a fixing hole, described
Magnet steel comprises and is arranged in a row and is jointly fixed on the big magnet steel of in this fixing hole, a pair center magnet steel and a pair in left-right direction
Little magnet steel, the S pole of big magnet steel is positioned at upper end, and N pole is positioned at lower end；Wherein position, the N pole left end of a center magnet steel, S pole is positioned at right-hand member,
And the S pole of another center magnet steel is positioned at left end, N pole is positioned at right-hand member；The N pole of little magnet steel is positioned at upper end, and S pole is positioned at lower end.
Linear vibration motor the most according to claim 9, it is characterised in that: described big magnet steel is positioned at this to center magnet steel
Between, big magnet steel and this to center magnet steel between this is to little magnet steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610736522.7A CN106160393A (en) | 2016-08-26 | 2016-08-26 | Linear vibration motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610736522.7A CN106160393A (en) | 2016-08-26 | 2016-08-26 | Linear vibration motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106160393A true CN106160393A (en) | 2016-11-23 |
Family
ID=57343556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610736522.7A Pending CN106160393A (en) | 2016-08-26 | 2016-08-26 | Linear vibration motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106160393A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107565791A (en) * | 2017-09-30 | 2018-01-09 | 重庆市灵龙电子有限公司 | Two-stage vibration linear motor |
| CN109217715A (en) * | 2018-09-05 | 2019-01-15 | 四川安和精密电子电器有限公司 | A kind of ultrasonic motor |
| 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 |
| WO2022067921A1 (en) * | 2020-09-29 | 2022-04-07 | 瑞声声学科技(深圳)有限公司 | Linear motor and electronic device |
| WO2024045027A1 (en) * | 2022-08-31 | 2024-03-07 | 瑞声光电科技(常州)有限公司 | Vibration device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120104875A1 (en) * | 2010-10-27 | 2012-05-03 | Lg Innotek Co., Ltd. | Linear Vibrator |
| CN102545531A (en) * | 2010-11-15 | 2012-07-04 | Smc株式会社 | Linear actuator |
| CN204810113U (en) * | 2015-07-16 | 2015-11-25 | 瑞声光电科技(常州)有限公司 | Oscillating motor |
-
2016
- 2016-08-26 CN CN201610736522.7A patent/CN106160393A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120104875A1 (en) * | 2010-10-27 | 2012-05-03 | Lg Innotek Co., Ltd. | Linear Vibrator |
| CN102545531A (en) * | 2010-11-15 | 2012-07-04 | Smc株式会社 | Linear actuator |
| CN204810113U (en) * | 2015-07-16 | 2015-11-25 | 瑞声光电科技(常州)有限公司 | Oscillating motor |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107565791A (en) * | 2017-09-30 | 2018-01-09 | 重庆市灵龙电子有限公司 | Two-stage vibration linear motor |
| CN107565791B (en) * | 2017-09-30 | 2024-01-30 | 重庆市灵龙电子有限公司 | Two-stage vibration linear motor |
| 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 |
| CN109217715A (en) * | 2018-09-05 | 2019-01-15 | 四川安和精密电子电器有限公司 | A kind of ultrasonic motor |
| WO2022067921A1 (en) * | 2020-09-29 | 2022-04-07 | 瑞声声学科技(深圳)有限公司 | Linear motor and electronic device |
| WO2024045027A1 (en) * | 2022-08-31 | 2024-03-07 | 瑞声光电科技(常州)有限公司 | Vibration device |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161123 |
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| WD01 | Invention patent application deemed withdrawn after publication |