CN105743234B - Permanent magnetism rotational oscillation motor and electrical equipment - Google Patents
Permanent magnetism rotational oscillation motor and electrical equipment Download PDFInfo
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- CN105743234B CN105743234B CN201410748641.5A CN201410748641A CN105743234B CN 105743234 B CN105743234 B CN 105743234B CN 201410748641 A CN201410748641 A CN 201410748641A CN 105743234 B CN105743234 B CN 105743234B
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- permanent magnet
- coil
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- permanent
- rotational oscillation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
The present invention provides a kind of permanent magnetism rotational oscillation motor, including rotor portion and stationary part；Rotor portion includes axis, permanent magnet, permanent magnet cover board, support front stall, supports back seat and elastic device；Stationary part includes the first stator core, the first stator coil, first coil skeleton, the second stator core, the second stator coil, the second coil rack and every magnetic patch.First stator core and the second stator core every magnetic patch by separating.Stationary part is axially symmetric structure.Magnetic field is generated when the first stator coil and second stator coil are passed through high-frequency current, to drive the rotor portion rotary motion, the invention further relates to a kind of electrical equipments.Permanent magnetism rotational oscillation motor of the invention and electrical equipment, structure is simple, and coil is placed on stator, and rotor portion is magnet structure, provides bigger air gap flux density, and quality is lighter, and dynamic response is fast, and in the case where providing equal ampere-turn current conditions, output torque is bigger.
Description
Technical field
The present invention relates to vibration motor field more particularly to a kind of high frequency permanent magnetism rotational oscillation motors and electrical equipment.
Background technique
As the living standard of consumer improves, people are higher and higher to the quality and performance requirement of electric toothbrush, and go out
In cost consideration, many products are realized using traditional micromotor plus oscillation ring currently on the market, the disadvantage is that working frequency
Unstable, vibrating effect is bad, and relies heavily on cell voltage.Although also there are some dedicated oscillations in city head
Motor, but general structure is complex, and consistency is poor, is easy to appear dead-beat effect, is not suitable for high-volume and promotes.
Chinese patent ZL201320543302.4 discloses a kind of electric toothbrush vibrating motor, the rotor of the vibrating motor
On have inductance coil, four permanent magnets are separately mounted in the rack bore of both sides, and the output rear end of shaft bar and rear cover pass through bullet
Spring positions finger setting.Square-wave pulse by changing coil changes polarity, and the pole N, S alternate oscillation magnetic field is generated in coil,
So that rotor generates the effect of whirling vibration.Above structure Shortcomings are coils on rotor, when motor works, the vibration of generation
Dynamic that coil can be made loose, in addition the bad setting of leading-out end uses four permanent magnets in patent, so that assembly is relative complex.
Summary of the invention
In view of the status of the prior art, the purpose of the present invention is to provide a kind of permanent magnetism rotational oscillation motor and electronic set
Standby, structure is simple, and coil is placed on stator, and rotor portion is magnet structure, provides bigger air gap flux density, and quality is lighter,
Dynamic response is fast, and in the case where providing equal ampere-turn current conditions, output torque is bigger.To achieve the above object, technology of the invention
Scheme is as follows:
A kind of permanent magnetism rotational oscillation motor, including rotor portion and stationary part, the rotor portion include axis, permanent magnetism
Body, the first permanent magnet cover board, the second permanent magnet cover board, support front stall, support back seat and elastic device, the permanent magnet to be placed in institute
It states between the first permanent magnet cover board and the second permanent magnet cover board, the permanent magnet, the first permanent magnet cover board and described
Second permanent magnet cover board forms permanent magnet assembly, permanent magnet assembly described in the axis connection, the support front stall be placed in described in forever
The first end of magnet assembly, the support back seat are placed in the second end of the permanent magnet assembly, and the elastic device is placed in described
The second end of permanent magnet assembly；
The stationary part include the first stator core, the first stator coil, first coil skeleton, the second stator core,
Second stator coil, the second coil rack and every magnetic patch, the stationary part are axially symmetric structure, first stator core,
The side of the symmetry axis of the stationary part is arranged in first stator coil and the first coil skeleton, and described second is fixed
The other side of the symmetry axis is arranged in sub- iron core, second stator coil and second coil rack, described every magnetic patch
It is arranged between first stator core and second stator core, first stator core and the second stator iron
The heart is separated by described every magnetic patch；
The generation when first stator coil and second stator coil are passed through square wave current or ac high frequency electric current
Magnetic field, and the permanent magnet interaction, to drive the rotor portion rotary motion.
More preferably, the permanent magnet is placed in the center of the stationary part, the center line of the axis and the stator
Partial center line is overlapped.
More preferably, the permanent magnet that the permanent magnet is integral, magnetizing direction and the axis are vertical.
More preferably, one end of the axis is placed in the center of the stationary part, and the permanent magnet is placed in the axis
Side.
More preferably, the permanent magnet includes the first permanent magnet and the second permanent magnetism, first permanent magnet and the second permanent magnet
It is symmetrically disposed in the two sides of the axis, the magnetizing direction of first permanent magnet and second permanent magnet hangs down with the axis
Directly.
More preferably, first stator coil and second stator coil are connected in series or in parallel, and described first is fixed
Subcoil is consistent with magnetic line of force direction caused by second stator coil.
More preferably, the permanent magnetism rotational oscillation motor further includes the machine for accommodating the stationary part and rotor portion
Shell, the front end of the casing are provided with drive end bearing bracket, and the rear end of the casing is provided with rear end cap；
The elastic device includes elastic element, the first fixing piece and the second fixing piece, the first end of the elastic element
First fixing piece is connected, the second end of the elastic element connects second fixing piece, wherein first fixing piece
It is arranged in the rear end cap, second fixing piece is arranged in the support back seat.
More preferably, the first permanent magnet cover board and the second permanent magnet cover board are made of permeability magnetic material, and described
One stator core and second stator core are U-shaped and are made of permeability magnetic material, it is described every magnetic patch by un-conducted magnetic material system
At；The elastic element is spring steel wire or torsionspring.
More preferably, the frequency of the square wave current or the ac high frequency electric current being total to equal or close to the rotor portion
Vibration frequency.
A kind of electrical equipment, including permanent magnetism rotational oscillation motor are further related to, permanent magnetism rotational oscillation motor is any of the above-described skill
The permanent magnetism rotational oscillation motor of art scheme.
The beneficial effects of the present invention are:
Permanent magnetism rotational oscillation motor of the invention and electrical equipment, structure is simple, and coil is placed on stator, and rotor portion is
Magnet structure provides bigger air gap flux density, and quality is lighter, and dynamic response is fast, defeated in the case where providing equal ampere-turn current conditions
Torque is bigger out.Rotor center is concentric with axis, and motor operation is relatively reliable.Permanent magnet uses the permanent magnet or two panels of an entirety
Permanent magnet, assembly are easy, and further increase the reliability of permanent magnetism rotational oscillation motor.
Detailed description of the invention
Fig. 1 is the explosive view of permanent magnetism rotational oscillation motor embodiment one of the invention；
Fig. 2 is the sectional view of permanent magnetism rotational oscillation motor shown in Fig. 1；
Fig. 3 is the stator core segment axial section of permanent magnetism rotational oscillation motor shown in Fig. 1；
Fig. 4 is two rotor portion explosive view of permanent magnetism rotational oscillation motor embodiment of the invention
Fig. 5 is the rotor portion axial cross-sectional views of the stator core segment of permanent magnetism rotational oscillation motor shown in Fig. 4.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, right with reference to the accompanying drawings and embodiments
Permanent magnetism rotational oscillation motor of the invention and electrical equipment are further elaborated.It should be appreciated that tool described herein
The examples are only for explaining the invention for body, is not intended to limit the present invention.
Referring to Figures 1 and 2, the permanent magnetism rotational oscillation motor of one embodiment of the invention include rotor portion, stationary part with
And the casing 6 for accommodating stationary part and rotor portion, the front end of casing 6 are provided with drive end bearing bracket 91, the rear end setting of casing 6
There is rear end cap 92.
Rotor portion includes axis 7, permanent magnet 1, the first permanent magnet cover board 41, the second permanent magnet cover board 42, support front stall
201, support back seat 202 and elastic device.Wherein, the first permanent magnet cover board 41 and the second permanent magnet cover board 42 are by permeability magnetic material
It is made, permanent magnet 1 is placed between the first permanent magnet cover board 41 and the second permanent magnet cover board 42, permanent magnet 1, the first permanent magnet cover board
41 and second permanent magnet cover board 42 form permanent magnet assembly, axis 7 connects the permanent magnet assembly, and support front stall 201 is placed in described
The first end (being left end in figure) of permanent magnet assembly, the second end that support back seat 202 is placed in the permanent magnet assembly (is right in figure
End), the elastic device is placed in the second end (being right end in figure) of the permanent magnet assembly.
The left end of Fig. 2 axis 7 is placed between the first permanent magnet cover board 41 and the second permanent magnet cover board 42, axis 7 and permanent magnet 1
It is secured together by the first permanent magnet cover board 41 and the second permanent magnet cover board 42.Support front stall 201 is placed in the first permanent magnet lid
The first end (being left end in Fig. 1) of plate 41 and the second permanent magnet cover board 42, support back seat 202 is placed in 41 He of the first permanent magnet cover board
The second end (being right end in Fig. 1) of second permanent magnet cover board 42.Elastic device is also placed in the first permanent magnet cover board 41 and second forever
The second end of magnet cover board 42, elastic device include elastic element 301, the first fixing piece 302 and the second fixing piece 303, elasticity
The first end (right end in figure) of element 301 connects the first fixing piece 302, second end (left end in the figure) connection of elastic element 301
Second fixing piece 303, wherein elastic element 301 is spring steel wire or torsionspring.First fixing piece 302 is arranged in rear end
In lid 92, the setting of the second fixing piece 303 is in support back seat 202.Preferably, it is further sleeved with rear bearing 82 on the second fixing piece,
Fore bearing 81 is further sleeved on axis 7, fore bearing 81 is arranged in drive end bearing bracket 91.
Stationary part includes the first stator core 21, the first stator coil 31, first coil skeleton 101, the second stator iron
The heart 22, the second stator coil 32, the second coil rack 102 and every magnetic patch 5.The stationary part is axially symmetric structure, and first is fixed
Sub- iron core 21, the first stator coil 31 and first coil skeleton 101 are arranged in the side of the symmetry axis of the stationary part, and second
The other side of the symmetry axis is arranged in stator core 22, the second stator coil 32 and the second coil rack 102.It is set every magnetic patch 5
It sets between the first stator core 21 and the second stator core 22, the first stator core 21 and the second stator core 22 are by every magnetic
Block 5 separates.First stator core 21 and the second stator core 22 are U-shaped and are made of permeability magnetic material, every magnetic patch 5 by non-magnetic
Material is made.
Magnetic field is generated when the first stator coil 31 and the second stator coil 32 are passed through square wave current or ac high frequency electric current,
It interacts with permanent magnet 1, to drive the rotor portion rotary motion.Preferably, the first stator coil 31 and second is fixed
Subcoil 32 is connected in series or in parallel, and magnetic line of force direction one caused by the first stator coil 31 and the second stator coil 32
It causes.The frequency of the square wave current or the ac high frequency electric current is equal or close to the resonant frequency of the rotor portion.It is described
The resonant frequency of the frequency of ac high frequency electric current close to the rotor portion refers to the frequency departure of the two less than 10%.
As an embodiment, as shown in Figures 2 and 3, permanent magnet 1 is placed in the center of the stationary part,
The center line of axis 7 is overlapped with the center line of the stationary part, i.e. in same straight line, Fig. 2 axis 7 is placed in permanent magnet 1 and axis 7
The left side of permanent magnet 1.Wherein, in 1 axial length range of permanent magnet, in the vertical direction, the side of permanent magnet 1 (is in figure
Upside) from being successively the first permanent magnet cover board 41, the first stator coil 31, first coil skeleton 101, to outside motor in motor
One stator core 21 and casing 6；The other side (in figure be downside) of permanent magnet 1 is from being followed successively by the second permanent magnetism to outside motor in motor
Body cover board 42, the second stator coil 32, the second coil rack 102, the second stator core 22 and casing 6；Using axis center as starting point,
In the horizontal direction, from being successively permanent magnet 1 to outside motor in motor, every magnetic patch 5 and casing 6.
The permanent magnet that permanent magnet 1 is integral, magnetizing direction is vertical with axis 7, and the upper end of permanent magnet 1 is the pole N, permanent magnet
1 lower end is the pole S；Alternatively, the upper end of permanent magnet 1 is the pole S, the lower end of permanent magnet 1 is the pole N.
As another embodiment, as shown in Figure 4 and Figure 5, one end of axis 7 is placed in the centre bit of the stationary part
It sets, permanent magnet 1 is placed in the side of axis 7.Preferably, permanent magnet 1 includes the first permanent magnet 11 and the second permanent magnetism 12, the first permanent magnet
11 and second permanent magnet 12 be symmetrically disposed in the two sides of axis 7, the stationary part of this kind of embodiment and above embodiment
Stationary part is identical.Using axis center as starting point, the side of axis 7 (being upside in figure), in vertical direction, from motor in motor
It is outside successively the first permanent magnet cover board 41, the first stator coil 31, first coil skeleton 101, the first stator core 21 and casing
6；The other side (in figure be downside) of axis 7 is successively the second permanent magnet cover board 42, the second stator coil 32, the from inside to outside by motor
Two wires ring framework 102, the second stator core 22 and casing 6；In the horizontal direction, the side (being left side in figure) of axis 7, by motor
Successively the first permanent magnet 11 from inside to outside, every magnetic patch 5 and casing 6, the other side (being right side in figure) of axis 7 by motor from inside to outside according to
Secondary is the second permanent magnet 12, every magnetic patch 5 and casing 6.
The magnetizing direction of first permanent magnet 11 and the second permanent magnet 12 is vertical with axis 7, and the first permanent magnet 11 and second is forever
The magnetizing direction of magnet 12 is identical, wherein the upper end of the first permanent magnet 11 and the second permanent magnet 12 is the pole N, the first permanent magnet
11 and second the lower end of permanent magnet 12 be the pole S；Alternatively, the upper end of the first permanent magnet 11 and the second permanent magnet 12 is the pole S, the
The lower end of one permanent magnet 11 and the second permanent magnet 12 is the pole N.
The invention further relates to a kind of electrical equipment, including permanent magnetism rotational oscillation motor, permanent magnetism rotational oscillation motor is above-mentioned
The permanent magnetism rotational oscillation motor of any technical solution.The permanent magnetism rotational oscillation motor use of above embodiments is in electrical equipment
On, wherein electrical equipment can be electric toothbrush, shaver, loudspeaker, electric hammer machine, blender, refrigerator, sewing machine, packing bundle
Mechanical, electrical magnetic pumping etc. is pricked, since the above electrical equipment is the prior art in addition to permanent magnetism rotational oscillation motor, is no longer gone to live in the household of one's in-laws on getting married one by one herein
It states.
The permanent magnetism rotational oscillation motor and electrical equipment of above embodiments, permanent magnetism rotational oscillation motor, structure is simple, coil
It is placed on stator, rotor portion is magnet structure, provides bigger air gap flux density, and quality is lighter, and dynamic response is fast；It is mentioning
For being 2-4 times of the power output of existing permanent magnetism vibration motor currently on the market, output torque is more under equal ampere-turn current conditions
Greatly.Rotor center is concentric with axis, and motor operation is relatively reliable.Permanent magnet uses the permanent magnet or two panels permanent magnet of an entirety,
Assembly is easy, and is improved production efficiency, is reduced cost, further increase the reliability of permanent magnetism rotational oscillation motor.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (9)
1. a kind of permanent magnetism rotational oscillation motor, including rotor portion, stationary part and for accommodating stationary part and rotor portions
The casing divided, the front end of the casing are provided with drive end bearing bracket, and the rear end of the casing is provided with rear end cap, it is characterised in that:
The rotor portion includes axis, permanent magnet, the first permanent magnet cover board, the second permanent magnet cover board, support front stall, supports back seat
And elastic device, the permanent magnet are placed between the first permanent magnet cover board and the second permanent magnet cover board, the permanent magnetism
Body, the first permanent magnet cover board and the second permanent magnet cover board form permanent magnet assembly, permanent magnet described in the axis connection
Component, the support front stall are placed in the first end of the permanent magnet assembly, and the support back seat is placed in the permanent magnet assembly
Second end, the elastic device are placed in the second end of the permanent magnet assembly, and the elastic device includes elastic element, first solid
Determine part and the second fixing piece, the first end of the elastic element connects first fixing piece, the second end of the elastic element
Connect second fixing piece, wherein first fixing piece is arranged in the rear end cap, and the second fixing piece setting exists
In the support back seat；The elastic element is spring steel wire or torsionspring；
The stationary part includes the first stator core, the first stator coil, first coil skeleton, the second stator core, second
Stator coil, the second coil rack and every magnetic patch, the stationary part are axially symmetric structure, first stator core, described
The side of the symmetry axis of the stationary part, the second stator iron is arranged in first stator coil and the first coil skeleton
The other side of the symmetry axis is arranged in the heart, second stator coil and second coil rack, described to be arranged every magnetic patch
Between first stator core and second stator core, first stator core and second stator core are logical
It is separated described in crossing every magnetic patch；
Magnetic field is generated when first stator coil and second stator coil are passed through square wave current or ac high frequency electric current,
With the permanent magnet interaction, to drive the rotor portion rotary motion.
2. permanent magnetism rotational oscillation motor according to claim 1, it is characterised in that:
The permanent magnet is placed in the center of the stationary part, the center line of the center line of the axis and the stationary part
It is overlapped.
3. permanent magnetism rotational oscillation motor according to claim 2, it is characterised in that:
The permanent magnet that the permanent magnet is integral, magnetizing direction and the axis are vertical.
4. permanent magnetism rotational oscillation motor according to claim 1, it is characterised in that:
One end of the axis is placed in the center of the stationary part, and the permanent magnet is placed in the side of the axis.
5. permanent magnetism rotational oscillation motor according to claim 4, it is characterised in that:
The permanent magnet includes the first permanent magnet and the second permanent magnetism, and first permanent magnet and the second permanent magnet are symmetrically disposed in
The magnetizing direction of the two sides of the axis, first permanent magnet and second permanent magnet is vertical with the axis.
6. permanent magnetism rotational oscillation motor according to claim 1-5, it is characterised in that:
First stator coil and second stator coil are connected in series or in parallel, and first stator coil and described
Magnetic line of force direction caused by second stator coil is consistent.
7. permanent magnetism rotational oscillation motor according to claim 1-5, it is characterised in that:
The first permanent magnet cover board and the second permanent magnet cover board are made of permeability magnetic material, first stator core and
Second stator core is U-shaped and is made of permeability magnetic material, described to be made every magnetic patch of un-conducted magnetic material.
8. permanent magnetism rotational oscillation motor according to claim 1-5, it is characterised in that:
The frequency of the square wave current or the ac high frequency electric current is equal or close to the resonant frequency of the rotor portion.
9. a kind of electrical equipment, including permanent magnetism rotational oscillation motor, it is characterised in that:
The permanent magnetism rotational oscillation motor is the described in any item permanent magnetism rotational oscillation motors of claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410748641.5A CN105743234B (en) | 2014-12-09 | 2014-12-09 | Permanent magnetism rotational oscillation motor and electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410748641.5A CN105743234B (en) | 2014-12-09 | 2014-12-09 | Permanent magnetism rotational oscillation motor and electrical equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105743234A CN105743234A (en) | 2016-07-06 |
| CN105743234B true CN105743234B (en) | 2019-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410748641.5A Active CN105743234B (en) | 2014-12-09 | 2014-12-09 | Permanent magnetism rotational oscillation motor and electrical equipment |
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| Country | Link |
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| CN (1) | CN105743234B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106026605B (en) * | 2016-07-25 | 2019-03-01 | 深圳市宝丽洁科技有限公司 | A kind of acoustic vibration pen |
| CN108712050A (en) * | 2018-07-26 | 2018-10-26 | 广州薇美姿实业有限公司 | A kind of electric toothbrush with linear vibration electric motor |
| CN114480118B (en) * | 2020-11-12 | 2023-12-12 | 北京桑翌实验仪器研究所 | Split type oscillator and include vibration incubator of this split type oscillator |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1691921A (en) * | 2002-11-26 | 2005-11-02 | 松下电工株式会社 | Magnetically actuated toothbrush |
| CN104143890A (en) * | 2014-08-22 | 2014-11-12 | 宁波赛嘉电器有限公司 | High-frequency vibration motor |
| CN204290516U (en) * | 2014-12-09 | 2015-04-22 | 中国科学院宁波材料技术与工程研究所 | Permanent magnetism rotational oscillation motor and electrical equipment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010069470A (en) * | 2008-08-22 | 2010-04-02 | Sanyo Electric Co Ltd | Linear motor and portable apparatus equipped with linear motor |
-
2014
- 2014-12-09 CN CN201410748641.5A patent/CN105743234B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1691921A (en) * | 2002-11-26 | 2005-11-02 | 松下电工株式会社 | Magnetically actuated toothbrush |
| CN104143890A (en) * | 2014-08-22 | 2014-11-12 | 宁波赛嘉电器有限公司 | High-frequency vibration motor |
| CN204290516U (en) * | 2014-12-09 | 2015-04-22 | 中国科学院宁波材料技术与工程研究所 | Permanent magnetism rotational oscillation motor and electrical equipment |
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| CN105743234A (en) | 2016-07-06 |
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Address after: 315201, 519, Zhenhai Avenue, Ningbo, Zhejiang Co-patentee after: Ningbo Saijia electromechanical Co., Ltd Patentee after: NINGBO INSTITUTE OF MATERIALS TECHNOLOGY & ENGINEERING, CHINESE ACADEMY OF SCIENCES Address before: 315201, 519, Zhenhai Avenue, Ningbo, Zhejiang Co-patentee before: NINGBO SAIJIA MOTOR Co.,Ltd. Patentee before: NINGBO INSTITUTE OF MATERIALS TECHNOLOGY & ENGINEERING, CHINESE ACADEMY OF SCIENCES |
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