CN109038939A - Novel permanent magnetic exchanges flat vibration motor and application method - Google Patents
Novel permanent magnetic exchanges flat vibration motor and application method Download PDFInfo
- Publication number
- CN109038939A CN109038939A CN201810769877.5A CN201810769877A CN109038939A CN 109038939 A CN109038939 A CN 109038939A CN 201810769877 A CN201810769877 A CN 201810769877A CN 109038939 A CN109038939 A CN 109038939A
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- China
- Prior art keywords
- bracket
- shaft
- magnet steel
- pedestal
- vibration motor
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
- H02K7/061—Means for converting reciprocating motion into rotary motion or vice versa using rotary unbalanced masses
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The invention discloses a kind of application method of novel permanent magnetic exchange flat vibration motor, the shells of the tubular including lower ending opening, set on the rotor and stator of interior of shell；Stator includes the pedestal set on outer casing underpart, 2 coils on pedestal, the shaft connecting with pedestal on pedestal and several FPC winding displacements on pedestal；Rotor includes the bracket in shaft, the magnet steel connecting on bracket with bracket, the eccentric hammer connecting set on bracket side with bracket and the oiliness bearing in shaft；2 coils are electrically connected with corresponding FPC winding displacement respectively.The present invention has the characteristics that effectively to extend motor service life, reduces noise, reduces production cost.
Description
Technical field
The present invention relates to micro-burst motor technical field, more particularly, to one kind can effectively extend motor service life,
The novel permanent magnetic exchange flat vibration motor and application method for reducing noise, reducing production cost.
Background technique
Mobile phone is already known to people now and lives indispensable necessity, as the function of mobile phone is stronger and stronger, people
Life do not open mobile phone increasingly；The quality of mobile phone is also become better and better simultaneously, and people replace mobile phone due to mobile phone quality problems
Frequency be decreased obviously, needed to change one by pervious 1 year, replacement in mobile phone several years till now is primary；So opponent
The service life of each components is also higher and higher with quality requirement in machine.
Main vibrating motor to be used is Permanent magnet DC flat vibration motor and brushless motor in mobile phone at present.Permanent magnet DC
Flat vibration motor is rotation class brush motor, and when work is haveed the shortcomings that noise is larger, the service life is relatively short, asked due to such
Topic high-end handsets have not used such motor.There is control IC higher cost in brushless motor, therefore cannot obtain extensive
It uses.
Summary of the invention
Goal of the invention of the invention be in order to overcome the noise of Permanent magnet DC flat vibration motor in the prior art it is larger,
Service life is relatively short, brushless motor higher cost deficiency, and motor service life can effectively be extended, reduce and make an uproar by providing one kind
Sound, the novel permanent magnetic exchange flat vibration motor and application method for reducing production cost.
To achieve the goals above, the invention adopts the following technical scheme:
A kind of application method of novel permanent magnetic exchange flat vibration motor, the shell of the tubular including lower ending opening are set to
The rotor and stator of interior of shell；Stator includes the pedestal set on outer casing underpart, and 2 coils on pedestal are set to pedestal
On the shaft being connect with pedestal and several FPC winding displacements on pedestal；Rotor includes the bracket in shaft, is set to
The magnet steel being connect on bracket with bracket, the eccentric hammer being connect set on bracket side with bracket and the oiliness bearing in shaft；2
A coil is electrically connected with corresponding FPC winding displacement respectively；Include the following steps:
(1-1) operator is magnetized to magnet steel；
(1-2) alternating current is separately input to 2 coils, and 2 coils generate alternating magnetic field；
The magnetic field interaction in magnetic field and magnet steel that (1-3) 2 coils generate, magnet steel rotation, magnet steel rotation drive rotor
Rotation；
(1-4) alternating current direction changes, and 2 coils generate contrary magnetic field, the magnetic field band that 2 coils generate
Dynamic magnet steel moves round about, and electric current constantly changes, and rotor is driven constantly to move back and forth；
(1-5) rotor constantly moves back and forth, and eccentric hammer is driven to move therewith, and eccentric hammer generates vibration.
The present invention is a kind of novel permanent magnetic exchange flat vibration motor, is designed on the basis of common flat motor
Optimization eliminates the higher costs such as commutator, brush, the more difficult components of production, make full use of coil generate alternating magnetic field with
The magnetic field interaction of magnet steel achievees the purpose that vibration, and structure is simple, it is easily operated with use because be it is brushless, make an uproar
Sound is lower and service life is longer, does not need chip controls, saves economic cost, has the characteristics that popularity.
Preferably, step (1-1) further includes following steps:
Magnet steel is divided into upper left, lower-left, upper right, four part of bottom right by (2-1) operator；
(2-2) upper left is magnetized to N grades, and bottom left section is magnetized to S grades, and upper right portion is magnetized to S grades, lower right-most portion magnetic
Turn to N grades.
Preferably, magnet steel is annular in shape, shaft passes through magnet steel and stretches out except magnet steel.Magnet steel and the fixed company of bracket viscose glue
It connects.When coil generates alternating magnetic field, the magnetic field interaction of alternating magnetic field and magnet steel, due to the rotary action of bearing, magnet steel
It can move back and forth.
Preferably, eccentric hammer is in semi-annular shape, eccentric hammer is between bracket and magnet steel, and the cross section of eccentric hammer is in
L shape.Eccentric hammer is tungsten alloy, and due to the magnetic field interaction of alternating magnetic field and magnet steel, when rotor moves back and forth, eccentric hammer is generated
Vibration.Eccentric hammer is fixedly connected by viscose glue with bracket.
Preferably, 2 coils are located at the left and right sides of shaft；Oiliness bearing is between bracket and shaft.Contain
Oil bearing is used to support the rotary body of bracket, magnet steel and eccentric hammer composition, reduces the coefficient of friction in motion process, guarantees revolution
Precision.Alternating current is input to 2 coils by two golden fingers of FPC, and coil generates alternating magnetic field.FPC is flexible circuit
Plate is that have height reliability, flexible printed circuit using polyimides or polyester film as one kind made of substrate.Have
The feature that Distribution density is high, light-weight, thickness is thin, bending is good.
Preferably, the upper end of shaft is in contact with shell, the lower end of shaft and pedestal interference fit are connected.Under shaft
End, to guarantee working strength, prolongs the service life with pedestal interference fit connection.
Preferably, oiliness bearing and bracket interference fit connect.Oiliness bearing and bracket interference fit connection increase strong
Degree is avoided generating loosening in rotary course due to the effect of centrifugal force or be fallen off, extends motor service life, avoid generating
Failure.
Preferably, axis lower part be equipped with the first gasket, the first gasket be located at the lower part of oiliness bearing and with oiliness bearing phase
Contact；Shaft top is equipped with the second gasket, and the second gasket is annular in shape, and the second gasket is between shell and bracket.First pad
Piece is used to reduce the vibration friction between rotor and stator, and the second gasket is used to reduce the frictional vibration between rotor and shell,
It prevents shell from vibrating with rotor oscillation, reduces noise.
Therefore, the invention has the following beneficial effects: the lower ends of shaft and pedestal interference fit to connect, oiliness bearing and branch
Frame interference fit connection, extends motor service life, avoids due to generating failure due to loosen or falling off in motion process；
Magnet steel is magnetized according to the method provided by the invention, is interacted with the alternating magnetic field that coil generates, is eliminated commutator, electricity
The more difficult components of the higher costs such as brush, production, make full use of coil to generate the magnetic field interaction of alternating magnetic field and magnet steel, partially
Heart hammer generates vibration during rotor motion, achievees the purpose that vibrating motor, and structure is simple, easily operated and use, because
It is brushless, therefore noise is lower and service life is longer, does not need chip controls, saves economic cost, with more extensive
The characteristics of property.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the invention；
Fig. 2 is a kind of structural schematic diagram of stator of the invention；
Fig. 3 is a kind of structural schematic diagram of rotor of the invention.
In figure: shell 1, pedestal 2, coil 3, shaft 4, FPC winding displacement 5, bracket 6, magnet steel 7, eccentric hammer 8, oiliness bearing 9,
First gasket 10, the second gasket 11.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and detailed description.
Embodiment as shown in Figure 1 is a kind of application method of novel permanent magnetic exchange flat vibration motor, including lower end is opened
The shell 1 of the tubular of mouth, set on the rotor and stator of interior of shell；Stator as shown in Figure 2 includes set on the bottom of outer casing underpart
Seat 2,2 coils 3 on pedestal, the shaft 4 being connect with pedestal on pedestal and several FPC on pedestal
Winding displacement 5；Rotor as shown in Figure 3 includes the bracket 6 in shaft, and the magnet steel 7 connecting on bracket with bracket is set to branch
The eccentric hammer 8 that frame side is connect with bracket and the oiliness bearing 9 in shaft；2 coils are electric with corresponding FPC winding displacement respectively
Connection；Include the following steps:
Step 100, operator is magnetized to magnet steel；
Step 110, magnet steel is divided into upper left, lower-left, upper right, four part of bottom right by operator；
Step 120, the upper left of magnet steel is magnetized to N grades by operator, and bottom left section is magnetized to S grades, upper right portion magnetic
S grades are turned to, lower right-most portion is magnetized to N grades.
Step 200, alternating current is separately input to 2 coils, and 2 coils generate alternating magnetic field；
Step 300, the magnetic field interaction in 2 coils generate magnetic field and magnet steel, magnet steel rotation, magnet steel rotation band turn
Son rotation；
Step 400, alternating current direction changes, and 2 coils generate contrary magnetic field, the magnetic that 2 coils generate
Field drives magnet steel to move round about, and electric current constantly changes, and rotor is driven constantly to move back and forth；
Step 500, rotor constantly moves back and forth, and eccentric hammer is driven to move therewith, and eccentric hammer generates vibration.
As shown in Figure 1, Figure 3, magnet steel is annular in shape, and shaft passes through magnet steel and stretches out except magnet steel.Eccentric hammer is in semicircular ring
Shape, for eccentric hammer between bracket and magnet steel, the cross section of eccentric hammer is in inverted L-shaped.Eccentric hammer is made of tungsten alloy, solid with viscose glue
It is scheduled on bracket.Magnet steel and bracket are fixed with viscose glue.Oiliness bearing is between bracket and shaft, oiliness bearing and bracket interference
It is cooperatively connected.Shaft lower part is equipped with the first gasket 10, and the first gasket is located at the lower part of oiliness bearing and is in contact with oiliness bearing；
Shaft top is equipped with the second gasket 11, and the second gasket is annular in shape, and the second gasket is between shell and bracket.
As shown in Fig. 2, 2 coils are located at the left and right sides of shaft；The upper end of shaft is in contact with shell, shaft
Lower end and pedestal interference fit connect.Each coil is fixed on FPC winding displacement with viscose glue, and each FPC winding displacement is fixed with viscose glue
On pedestal.
It should be understood that this embodiment is only used to illustrate the invention but not to limit the scope of the invention.In addition, it should also be understood that,
After having read the content of the invention lectured, those skilled in the art can make various modifications or changes to the present invention, these etc.
Valence form is also fallen within the scope of the appended claims of the present application.
Claims (8)
1. a kind of application method of novel permanent magnetic exchange flat vibration motor, characterized in that outside the tubular including lower ending opening
Shell (1), set on the rotor and stator of interior of shell；Stator includes the pedestal (2) set on outer casing underpart, be set on pedestal and with bottom
2 coils (3) of seat connection, the shaft (4) being connect with pedestal on pedestal and several FPC winding displacements on pedestal
(5)；Rotor include be set to shaft on and be connected with the rotating shaft bracket (6), the magnet steel being connect on bracket with bracket (7), if
The eccentric hammer (8) being connect with bracket in bracket side and the oiliness bearing (9) in shaft；2 coils respectively with it is corresponding
The electrical connection of FPC winding displacement；Include the following steps:
(1-1) operator is magnetized to magnet steel；
(1-2) alternating current is separately input to 2 coils, and 2 coils generate alternating magnetic field；
The magnetic field interaction in magnetic field and magnet steel that (1-3) 2 coils generate, magnet steel rotation, magnet steel rotation drive rotor rotation；
(1-4) alternating current direction changes, and 2 coils generate contrary magnetic field, and the magnetic field that 2 coils generate drives magnetic
Steel moves round about, and electric current constantly changes, and rotor is driven constantly to move back and forth；
(1-5) rotor constantly moves back and forth, and eccentric hammer is driven to move therewith, and eccentric hammer is to generate vibration.
2. the application method of novel permanent magnetic exchange flat vibration motor according to claim 1, characterized in that step (1-
1) further include following steps:
Magnet steel is divided into upper left, lower-left, upper right, four part of bottom right by (2-1) operator；
Upper left is magnetized to N grades by (2-2) operator, and bottom left section is magnetized to S grades by operator, and operator is by upper right portion
S grades are magnetized to, lower right-most portion is magnetized to N grades by operator.
3. novel permanent magnetic according to claim 1 exchanges flat vibration motor, characterized in that magnet steel is annular in shape, shaft
Across magnet steel and stretch out except magnet steel.
4. novel permanent magnetic according to claim 1 exchanges flat vibration motor, characterized in that eccentric hammer is in semi-annular shape,
For eccentric hammer between bracket and magnet steel, the cross section of eccentric hammer is in inverted L-shaped.
5. novel permanent magnetic according to claim 1 exchanges flat vibration motor, characterized in that 2 coils, which are located at, to be turned
The left and right sides of axis；Oiliness bearing is between bracket and shaft.
6. novel permanent magnetic according to claim 1 exchanges flat vibration motor, characterized in that the upper end of shaft and outer shell phase
Contact, the lower end of shaft and pedestal interference fit connect.
7. novel permanent magnetic according to claim 5 exchanges flat vibration motor, characterized in that oiliness bearing and bracket interference
It is cooperatively connected.
8. novel permanent magnetic described according to claim 1 or 2 or 3 or 4 or 5 or 6 or 7 exchanges flat vibration motor, characterized in that
Shaft lower part is equipped with the first gasket (10), and the first gasket is located at the lower part of oiliness bearing and is in contact with oiliness bearing；In shaft
Portion is equipped with the second gasket (11), and the second gasket is annular in shape, and the second gasket is between shell and bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810769877.5A CN109038939B (en) | 2018-07-13 | 2018-07-13 | Permanent magnet alternating current flat vibration motor and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810769877.5A CN109038939B (en) | 2018-07-13 | 2018-07-13 | Permanent magnet alternating current flat vibration motor and use method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109038939A true CN109038939A (en) | 2018-12-18 |
| CN109038939B CN109038939B (en) | 2021-04-20 |
Family
ID=64642447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810769877.5A Active CN109038939B (en) | 2018-07-13 | 2018-07-13 | Permanent magnet alternating current flat vibration motor and use method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109038939B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111463983A (en) * | 2020-05-21 | 2020-07-28 | 浙江省东阳市东磁诚基电子有限公司 | Novel single-coil brushless motor and implementation method thereof |
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| JP2003126776A (en) * | 2001-10-30 | 2003-05-07 | Toyota Motor Corp | Torsional vibrator |
| CN2624512Y (en) * | 2003-04-17 | 2004-07-07 | 力致科技股份有限公司 | Reciprocation and rotation reverse gear |
| CN101764458A (en) * | 2008-12-25 | 2010-06-30 | 思考株式会社 | Eccentric rotor and small-sized brushless vibration motor with the rotor |
| CN101981788A (en) * | 2008-03-28 | 2011-02-23 | 白明镐 | Direct current brushless vibration motor |
| CN103427583A (en) * | 2013-08-09 | 2013-12-04 | 重庆市灵龙电子有限公司 | Flat interference-proof vibration motor |
| US20160079827A1 (en) * | 2014-09-11 | 2016-03-17 | Samsung Electro-Mechanics Co., Ltd. | Vibration generating device |
| CN105610272A (en) * | 2014-11-19 | 2016-05-25 | 日本电产精密株式会社 | Vibration motor |
| CN106803699A (en) * | 2016-07-19 | 2017-06-06 | 李相宜 | Brushless DC vibrating motor |
| CN206517275U (en) * | 2015-12-25 | 2017-09-22 | 日本电产精密株式会社 | Vibrating motor, band vibration section substrate and noiseless device for informing |
| CN206611285U (en) * | 2016-02-26 | 2017-11-03 | 日本电产精密株式会社 | Vibrating motor |
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2018
- 2018-07-13 CN CN201810769877.5A patent/CN109038939B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0740141A2 (en) * | 1995-04-27 | 1996-10-30 | Doryokuro Kakunenryo Kaihatsu Jigyodan | Electromagnetic rotary vibration for rotary body and damper using the same rotary body |
| JPH118962A (en) * | 1997-06-16 | 1999-01-12 | Tokyo Parts Ind Co Ltd | Axial gap type fan motor |
| JP2003126776A (en) * | 2001-10-30 | 2003-05-07 | Toyota Motor Corp | Torsional vibrator |
| CN2624512Y (en) * | 2003-04-17 | 2004-07-07 | 力致科技股份有限公司 | Reciprocation and rotation reverse gear |
| CN101981788A (en) * | 2008-03-28 | 2011-02-23 | 白明镐 | Direct current brushless vibration motor |
| CN101764458A (en) * | 2008-12-25 | 2010-06-30 | 思考株式会社 | Eccentric rotor and small-sized brushless vibration motor with the rotor |
| CN103427583A (en) * | 2013-08-09 | 2013-12-04 | 重庆市灵龙电子有限公司 | Flat interference-proof vibration motor |
| US20160079827A1 (en) * | 2014-09-11 | 2016-03-17 | Samsung Electro-Mechanics Co., Ltd. | Vibration generating device |
| CN105610272A (en) * | 2014-11-19 | 2016-05-25 | 日本电产精密株式会社 | Vibration motor |
| CN206517275U (en) * | 2015-12-25 | 2017-09-22 | 日本电产精密株式会社 | Vibrating motor, band vibration section substrate and noiseless device for informing |
| CN206611285U (en) * | 2016-02-26 | 2017-11-03 | 日本电产精密株式会社 | Vibrating motor |
| CN106803699A (en) * | 2016-07-19 | 2017-06-06 | 李相宜 | Brushless DC vibrating motor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111463983A (en) * | 2020-05-21 | 2020-07-28 | 浙江省东阳市东磁诚基电子有限公司 | Novel single-coil brushless motor and implementation method thereof |
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| Publication number | Publication date |
|---|---|
| CN109038939B (en) | 2021-04-20 |
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Denomination of invention: A permanent magnet AC flat vibration motor and its application method Effective date of registration: 20221228 Granted publication date: 20210420 Pledgee: Dongyang Branch of China Construction Bank Co.,Ltd. Pledgor: ZHEJIANG DONGYANG DONGCI CHENGJI ELECTRONIC Co.,Ltd. Registration number: Y2022330003719 |