CN111725967A - Magnetic pole suitable for columnar vibration motor and implementation method thereof - Google Patents
Magnetic pole suitable for columnar vibration motor and implementation method thereof Download PDFInfo
- Publication number
- CN111725967A CN111725967A CN202010626662.5A CN202010626662A CN111725967A CN 111725967 A CN111725967 A CN 111725967A CN 202010626662 A CN202010626662 A CN 202010626662A CN 111725967 A CN111725967 A CN 111725967A
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 87
- 239000010959 steel Substances 0.000 claims abstract description 87
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- H02K33/18—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with coil systems moving upon intermittent or reversed energisation thereof by interaction with a fixed field system, e.g. permanent magnets
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/17—Stator cores with permanent magnets
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/2726—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of a single magnet or two or more axially juxtaposed single magnets
- H02K1/2733—Annular magnets
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
Abstract
The invention discloses a magnetic pole suitable for a columnar vibration motor, which comprises a plurality of magnetic steels, wherein the magnetic steels are connected in sequence, and an included angle is formed between the N level and the S level of two adjacent magnetic steels; the invention also discloses a realization method of the magnetic pole suitable for the columnar vibration motor. According to the invention, a plurality of magnetic steels are fixed into a whole after rotating for a certain angle to form a magnetic field loop, and the lost magnetic field is reinforced in a mode of superposing the magnetic field, so that the maximum magnetic field intensity in the same motor space is realized.
Description
Technical Field
The invention belongs to the technical field of vibration motors, and particularly relates to a magnetic pole suitable for a columnar vibration motor and an implementation method thereof.
Background
The micro vibration motor is applied to mobile phones, communication electronic terminals, various small household appliances, electronic terminals, small medical devices, aeromodelling and the like, and mainly has the function of outputting driving force or vibrating tactile feedback;
the hollow cup column-shaped motor utilizes the principle that a coil rotates in a magnetic field according to the 'electromagnetic force' of the left-hand rule; and F is BILsin phi, and the left-hand law is that the electrified conductor is stressed in a magnetic field. Namely a mechanism for converting electric energy into torsional mechanical energy through an electromagnetic field in a gap between a stator and a rotor.
The existing hollow cup columnar motor rotates, when the inclined line segment of the coil and the magnetic field are 0-60 degrees, work is offset in the inclined coil, and driving force is influenced, so that the existing design improves rotating torque and vibration by changing the coil or increasing the magnetic steel, and the vibration motor is limited by space, so that the lifting difficulty exists.
Disclosure of Invention
The present invention is directed to a magnetic pole for a cylindrical vibration motor to solve the above problems. The magnetic pole suitable for the columnar vibration motor provided by the invention compensates the offset magnetic field of the coil through the superposition effect of the magnetic field, and the maximum magnetic field intensity in the same motor space is achieved.
The invention also aims to provide a method for realizing the magnetic pole suitable for the columnar vibration motor.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a magnetic pole suitable for column vibrating motor, includes a plurality of magnet steel, and a plurality of magnet steel connects gradually, is equipped with the contained angle between the N level and the S level of two adjacent magnet steels.
In the invention, the magnetic steel is of a columnar structure.
In the invention, the two adjacent magnetic steels are further connected through bonding, pin buckling or ring buckling.
In the invention, three magnetic steels are further arranged, and the included angle between the N level and the S level of two adjacent magnetic steels is 60 degrees.
In the invention, the number of the magnetic steels is five, and the included angle between the N level and the S level of two adjacent magnetic steels is 36 degrees.
Further, in the invention, the magnetic steel is a radial magnetizing structure.
In the invention, furthermore, the specifications of a plurality of magnetic steels are the same.
Further, the method for implementing the magnetic pole suitable for the columnar vibration motor comprises the following steps:
the first magnetic steel is provided with three magnetic steels, and the included angle between the N level and the S level of two adjacent magnetic steels is 60 degrees;
when the angle between the oblique line section of the coil and the first magnetic steel is 0-60 degrees, the second magnetic steel reinforces the loss magnetic field of the oblique line section;
when the angle between the oblique line section of the coil and the second magnetic steel is 0-60 degrees, the third magnetic steel reinforces the loss magnetic field of the oblique line section;
and fourthly, when the oblique line section of the coil and the third magnetic steel are at 0-60 degrees, the first magnetic steel reinforces the loss magnetic field of the oblique line section.
In the invention, further, in the implementation method of the magnetic pole suitable for the columnar vibration motor, the magnetic steels are in a columnar structure, two adjacent magnetic steels are connected through bonding, pin fastening or ring fastening, the magnetic steels are in a radial magnetizing structure, and the specifications of the three magnetic steels are the same.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, a plurality of magnetic steels are fixed into a whole after rotating for a certain angle to form a magnetic field loop, and the lost magnetic field is reinforced in a mode of superposing the magnetic field, so that the maximum magnetic field intensity in the same motor space is realized.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the coil loss field of the present invention;
in the figure: 1. a first magnetic steel; 2. a second magnetic steel; 3. a third magnetic steel; 4. and a coil.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-2, the present invention provides the following technical solutions: the utility model provides a magnetic pole suitable for column vibrating motor, includes three magnet steel, and three magnet steel connects gradually, and the contained angle between the N level and the S level of two adjacent magnet steels is 60 degrees.
Further, the magnetic steel is of a columnar structure.
Further, connect through bonding, pin joint or latch closure between two adjacent magnet steel, the bonding is selected for use to this embodiment.
Further, the magnetic steel is in a radial magnetizing structure.
Further, the specifications of the three magnetic steels are the same.
Further, the method for realizing the magnetic pole suitable for the columnar vibration motor comprises the following steps:
the first magnetic steel is provided with three magnetic steels, and the included angle between the N level and the S level of two adjacent magnetic steels is 60 degrees;
when the angle between the oblique line segment of the coil 4 and the first magnetic steel 1 is 0-60 degrees, the second magnetic steel 2 reinforces the loss magnetic field of the oblique line segment;
when the angle between the oblique line segment of the coil 4 and the second magnetic steel 2 is 0-60 degrees, the third magnetic steel 3 reinforces the loss magnetic field of the oblique line segment;
and fourthly, when the oblique line section of the coil 4 and the third magnetic steel 3 are at 0-60 degrees, the first magnetic steel 1 reinforces the loss magnetic field of the oblique line section.
Example 2
The present embodiment is different from embodiment 1 in that: furthermore, the number of the magnetic steels is five, and the included angle between the N level and the S level of two adjacent magnetic steels is 36 degrees.
By adopting the technical scheme, the method has the advantages that,
when the angle between the oblique line segment of the coil 4 and the first magnetic steel 1 is 0-36 degrees, the second magnetic steel 2 reinforces the loss magnetic field of the oblique line segment;
when the angle between the oblique line segment of the coil 4 and the second magnetic steel 2 is 0-36 degrees, the third magnetic steel 3 reinforces the loss magnetic field of the oblique line segment;
when the angle between the oblique line segment of the coil 4 and the third magnetic steel 3 is 0-36 degrees, the fourth magnetic steel reinforces the loss magnetic field of the oblique line segment;
when the angle between the oblique line segment of the coil 4 and the fourth magnetic steel is 0-36 degrees, the fifth magnetic steel reinforces the loss magnetic field of the oblique line segment;
and (V) when the oblique line section of the coil 4 and the fifth magnetic steel are at 0-36 degrees, the first magnetic steel 1 reinforces the loss magnetic field of the oblique line section.
In summary, the magnetic steels are fixed into a whole after rotating a certain angle to form a magnetic field loop, and the lost magnetic field is reinforced in a manner of superposing the magnetic field, so that the maximum magnetic field intensity in the same motor space is realized.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A magnetic pole suitable for a columnar vibration motor is characterized in that: the magnetic steel structure comprises a plurality of magnetic steels which are connected in sequence, and an included angle is formed between the N level and the S level of each two adjacent magnetic steels.
2. A magnetic pole adapted for a cylindrical vibration motor according to claim 1, wherein: the magnetic steel is of a columnar structure.
3. A magnetic pole adapted for a cylindrical vibration motor according to claim 1, wherein: two adjacent magnetic steels are connected through bonding, pin fasteners or ring fasteners.
4. A magnetic pole adapted for a cylindrical vibration motor according to claim 1, wherein: the magnetic steel is provided with three magnetic steels, and the included angle between the N level and the S level of two adjacent magnetic steels is 60 degrees.
5. A magnetic pole adapted for a cylindrical vibration motor according to claim 1, wherein: the number of the magnetic steels is five, and the included angle between the N level and the S level of two adjacent magnetic steels is 36 degrees.
6. A magnetic pole adapted for a cylindrical vibration motor according to claim 1, wherein: the magnetic steel is a radial magnetizing structure.
7. A magnetic pole adapted for a cylindrical vibration motor according to claim 1, wherein: the specifications of a plurality of magnetic steels are the same.
8. The method for realizing a magnetic pole for a cylindrical vibration motor according to any one of claims 1 to 7, comprising the steps of:
the first magnetic steel is provided with three magnetic steels, and the included angle between the N level and the S level of two adjacent magnetic steels is 60 degrees;
when the oblique line section of the coil (4) and the first magnetic steel (1) are at 0-60 degrees, the second magnetic steel (2) reinforces a loss magnetic field to the oblique line section;
when the angle between the oblique line segment of the coil (4) and the second magnetic steel (2) is 0-60 degrees, the third magnetic steel (3) reinforces the loss magnetic field of the oblique line segment;
and fourthly, when the oblique line section of the coil (4) and the third magnetic steel (3) are at 0-60 degrees, the first magnetic steel (1) reinforces the loss magnetic field of the oblique line section.
9. The method of claim 8, wherein the magnetic pole is adapted to a cylindrical vibration motor, and the method further comprises: the magnetic steels are of columnar structures, two adjacent magnetic steels are connected through bonding, pin fasteners or ring fasteners, the magnetic steels are of radial magnetizing structures, and the specifications of the three magnetic steels are the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010626662.5A CN111725967B (en) | 2020-07-02 | 2020-07-02 | Magnetic pole suitable for columnar vibration motor and implementation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010626662.5A CN111725967B (en) | 2020-07-02 | 2020-07-02 | Magnetic pole suitable for columnar vibration motor and implementation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111725967A true CN111725967A (en) | 2020-09-29 |
| CN111725967B CN111725967B (en) | 2022-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010626662.5A Active CN111725967B (en) | 2020-07-02 | 2020-07-02 | Magnetic pole suitable for columnar vibration motor and implementation method thereof |
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| Country | Link |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004242392A (en) * | 2003-02-04 | 2004-08-26 | Sumitomo Heavy Ind Ltd | Brushless dc motor |
| CN101514684A (en) * | 2008-07-30 | 2009-08-26 | 山东亿通网络监控有限公司 | Columnar multistage aerogenerator |
| DE102014017304A1 (en) * | 2014-11-21 | 2016-05-25 | Daimler Ag | Rotor for electric machines and method for its production |
| CN106712343A (en) * | 2015-08-18 | 2017-05-24 | 珠海格力节能环保制冷技术研究中心有限公司 | Permanent magnet motor and rotor sectionalized oblique pole thereof |
| CN206302311U (en) * | 2016-12-27 | 2017-07-04 | 平顶山仁和电力科技有限公司 | A kind of multiple stators winding, many rotor inline formulas interaction direct current generator |
| CN109980887A (en) * | 2019-03-11 | 2019-07-05 | 浙江省东阳市东磁诚基电子有限公司 | The more pole wheel structures of micro hollow cup vibrating motor |
| US20200220443A1 (en) * | 2017-09-21 | 2020-07-09 | Dongguan Lebond Electronic Technology Co., Ltd. | Miniature direct current motor |
-
2020
- 2020-07-02 CN CN202010626662.5A patent/CN111725967B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004242392A (en) * | 2003-02-04 | 2004-08-26 | Sumitomo Heavy Ind Ltd | Brushless dc motor |
| CN101514684A (en) * | 2008-07-30 | 2009-08-26 | 山东亿通网络监控有限公司 | Columnar multistage aerogenerator |
| DE102014017304A1 (en) * | 2014-11-21 | 2016-05-25 | Daimler Ag | Rotor for electric machines and method for its production |
| CN106712343A (en) * | 2015-08-18 | 2017-05-24 | 珠海格力节能环保制冷技术研究中心有限公司 | Permanent magnet motor and rotor sectionalized oblique pole thereof |
| CN206302311U (en) * | 2016-12-27 | 2017-07-04 | 平顶山仁和电力科技有限公司 | A kind of multiple stators winding, many rotor inline formulas interaction direct current generator |
| US20200220443A1 (en) * | 2017-09-21 | 2020-07-09 | Dongguan Lebond Electronic Technology Co., Ltd. | Miniature direct current motor |
| CN109980887A (en) * | 2019-03-11 | 2019-07-05 | 浙江省东阳市东磁诚基电子有限公司 | The more pole wheel structures of micro hollow cup vibrating motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111725967B (en) | 2022-06-14 |
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Denomination of invention: A magnetic pole suitable for cylindrical vibration motors and its implementation method Effective date of registration: 20230913 Granted publication date: 20220614 Pledgee: Dongyang Branch of China Construction Bank Co.,Ltd. Pledgor: ZHEJIANG DONGYANG DONGCI CHENGJI ELECTRONIC Co.,Ltd. Registration number: Y2023330002030 |