CN105515322B - A kind of micro flat ribbon formula double magnetic circuit drive motor - Google Patents
A kind of micro flat ribbon formula double magnetic circuit drive motor Download PDFInfo
- Publication number
- CN105515322B CN105515322B CN201511000581.XA CN201511000581A CN105515322B CN 105515322 B CN105515322 B CN 105515322B CN 201511000581 A CN201511000581 A CN 201511000581A CN 105515322 B CN105515322 B CN 105515322B
- Authority
- CN
- China
- Prior art keywords
- coil
- magnetic circuit
- drive motor
- bearing
- circuit drive
- Prior art date
- 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.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/24—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets axially facing the armatures, e.g. hub-type cycle dynamos
-
- 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
Abstract
The present invention discloses a kind of micro flat ribbon formula double magnetic circuit drive motor, comprising: casing, rotor assembly and stator module in casing, casing include the first shell and second shell that lid closes；Rotor assembly includes the first bearing set on first shell inner bottom surface；Set on the second bearing of second shell inner bottom surface；One end is connected to first bearing, another shaft for being terminated at second bearing and the coil rotor being set in shaft；Stator module includes the first magnet steel for being fixed on first bearing, axial the second magnet steel and first line plate for being in turn secured to second bearing from top to bottom；And the brush that one end is fixed on first line plate and is electrically connected with first line plate, the brush other end are contacted with coil rotor Elastic Sliding.First magnet steel and the second magnet steel generate two magnetic circuit closed loops, and coil rotor generates the magnetic circuit of a reaction force after being powered, so that coil rotor rotation be made to generate driving force, the structure of double magnetic circuit greatly improves magnetic field utilization rate, increases effective magnetic property, reduce energy consumption.
Description
Technical field
The present invention relates to a kind of drive motor more particularly to a kind of micro flat ribbon formula double magnetic circuit drive motors.
Background technique
In precision intelligence control field, in intelligent door lock, intelligence WIFI control camera shooting and monitoring, it usually needs driving
Motor provides driving power for intellectual product.In the prior art, it is generally used drag cup drive motor or iron core drive motor,
In order to generate enough driving forces, used drag cup drive motor or the most structure of iron core drive motor are many and diverse, indirectly
So that drive motor size is larger, and energy consumption is high, and magnetic property can not be fully used, moreover, existing drag cup drives
Dynamic motor or iron core drive motor general diameter are in 3.2mm or more, and length is in 15mm or more.
Summary of the invention
Many and diverse and aiming at the problem that energy consumption is high drive motor structure in the prior art, the present invention provides a kind of structure letter
Single micro flat ribbon formula double magnetic circuit drive motor.
In order to solve the above-mentioned technical problem, present invention discloses a kind of micro flat ribbon formula double magnetic circuit drive motor is standby, packet
It includes:
Casing, casing include first shell and second shell, and first shell and second shell lid close；
Positioned at the rotor assembly of casing internal, comprising:
Set on the first bearing of first shell inner bottom surface；
Set on the second bearing of second shell inner bottom surface；
One end is connected to first bearing, another shaft for being terminated at second bearing；And
It is set in shaft, the coil rotor to generate electric current and rotate around the axis；
Positioned at the stator module of casing internal, comprising:
It is fixed on the first magnet steel of first bearing；
Axial the second magnet steel and first line plate being in turn secured in second bearing from top to bottom；And
The brush that one end is fixed on first line plate and is electrically connected with first line plate, the brush other end and coil rotor bullet
Property sliding contact.
According to an embodiment of the present invention, wherein coil rotor includes:
Coil mosaic block, coil mosaic block are sheathed in shaft；
The coil being embedded in coil mosaic block；
It is fixed on the second wiring board of coil mosaic block bottom surface, the second wiring board is electrically connected with coil, the brush other end
It is contacted with the second wiring board Elastic Sliding.
According to an embodiment of the present invention, the coil being embedded in coil mosaic block is 2~3 groups.
According to an embodiment of the present invention, the coil being embedded in coil mosaic block is 3 groups, and 3 groups of coils are uniform in a ring
Symmetrically it is distributed in coil mosaic block.
According to an embodiment of the present invention, the first magnet steel is made of neodymium-iron-boron magnetic material.
According to an embodiment of the present invention, the second magnet steel is made of neodymium-iron-boron magnetic material.
According to an embodiment of the present invention, the radial section of the first magnet steel and the second magnet steel is annular in shape, the two magnetic pole
Number is identical, is 4 poles or 6 poles.
According to an embodiment of the present invention, the number of magnet poles of the first magnet steel and the second magnet steel is 6 poles.
According to an embodiment of the present invention, brush is 2.
According to an embodiment of the present invention, micro flat ribbon formula double magnetic circuit drive motor with a thickness of 3.0mm, diameter is
10mm。
Compared with prior art, the present invention can be obtained including following technical effect:
Two groups of magnet steel above and below first magnet steel and the second magnet steel generate two magnetic circuit closed loops (fixed magnetic circuit), coil rotor (from
By switching) be powered after generate a reaction force magnetic circuit, thus make coil rotor rotation generate driving force, structure is simple, and
And the structure of double magnetic circuit, magnetic field utilization rate is greatly improved, effective magnetic property is increased, micro flat ribbon formula double magnetic circuit is reduced and drives horse
Danone consumption.In preference, coil rotor includes 3 groups of coils, and the first magnet steel and the second magnetic steel magnetic pole are 6 poles, so that miniature flat
Flat double magnetic circuit drive motor is in thickness T still can be real in the case that 3mm diameter D is this frivolous apparent size of 10mm
Now strong torsion output, the control of micro flat ribbon formula double magnetic circuit drive motor is more intelligent, can quickly realize positive and negative rotating function, make it
Driven object is more flexible, more convenient, and because effective magnetism can increase, the power consumption energy consumption of micro flat ribbon formula double magnetic circuit drive motor is only
For 30mA or so, static energy consumption is zero.
Detailed description of the invention
Fig. 1 is the axial sectional view of the double magnetic circuit drive motor of an embodiment of the present invention；
Fig. 2 is the radial cross-section of the double magnetic circuit drive motor of an embodiment of the present invention；
Fig. 3 is the decomposition diagram of the double magnetic circuit drive motor of an embodiment of the present invention.
Description of symbols:
10, first shell；20, second shell；30, first bearing；40, second bearing；50, first line plate；60, first
Brush；70, the second brush；80, the first magnet steel；90, the second magnet steel；110, coil mosaic block；120, coil；130, the first pad
Circle；140, second packing ring；150, shaft；160, the second wiring board；T, motor thickness；D, diameter of motor；L, shaft axial length.
Specific embodiment
Multiple embodiments of the invention will be disclosed with schema below, as clearly stated, the details in many practices
It will be explained in the following description.It should be appreciated, however, that the details in these practices is not applied to limit the present invention.Also
It is to say, in some embodiments of the invention, the details in these practices is non-essential.In addition, for the sake of simplifying schema,
Some known usual structures and component will be painted it in the drawings in simply illustrative mode.
About it is used herein it " the first ＂, " the 2nd ＂ etc. not especially censures the meaning of order or cis-position, also non-use
The component described with limiting the present invention just for the sake of difference with same technique term or operation.
The present invention is the design about a kind of micro flat ribbon formula double magnetic circuit drive motor, this micro flat ribbon formula double magnetic circuit is driven
Dynamic motor can be applied to precision intelligence control field, such as: intelligent door lock, intelligence WIFI control camera shooting and monitoring；Industrial 4.0 products
And related fields, such as: the turning joint of intelligent robot and fine motion running part, in addition to this, the present invention can also be in future
It cuts a conspicuous figure in terms of Intelligent hardware product.
Fig. 1 and Fig. 3 is please referred to, Fig. 1 is the axial sectional view of the double magnetic circuit drive motor of an embodiment of the present invention, Fig. 3
For the decomposition diagram of the double magnetic circuit drive motor of an embodiment of the present invention.As shown, micro flat ribbon formula double magnetic circuit drives
Motor includes inner hollow forming the casing of accommodating cavity, accommodating the stator module in cavity positioned at casing and being located at casing
Accommodate the rotor assembly in cavity.In the embodiment of the present invention, the thickness T of micro flat ribbon formula double magnetic circuit drive motor is 3.0mm, directly
Diameter D is 10mm.
Wherein, casing includes first shell 10 and second shell 20, and first shell 10 and the lid of second shell 20 close, and forms one
Accommodate cavity, wherein the accommodating cavity of formation is approximate cylindric.Second shell 20 has a main part and one to outside main part
The extension of portion's stretching, extension, main part is discoid in one, and extension is used to draw the electric wire on first line plate 50.First shell 10
In hollow cylindrical, with upper bottom surface.Second shell 20 is covered on 10 lower section of first shell, forms the bottom of first shell 10
Face.
Rotor assembly includes first bearing 30, second bearing 40, shaft 150 and coil rotor.Such as Fig. 1 and 3, first axle
30 inner bottom surfaces for being set to first shell 10 are held, specifically, first bearing 30 is fixed on the center of 10 main part of first shell；
Second bearing 40 is set to the inner bottom surface of second shell 20, specifically, second bearing 40 is fixed in 20 upper bottom surface of second shell
Heart position, and with 30 face of first bearing；One end of shaft 150 is connected to first bearing 30, another to be terminated at second bearing 40, turns
Axis 150 is located on the axis of casing, wherein the axial length L=6.8mm of shaft 150；Coil rotor is set in shaft 150, and around
Shaft 150 rotates, and coil rotor forms electric field to generate electric current.
Stator module includes the first magnet steel 80 for being fixed on first bearing 30, is passed through between the first magnet steel 80 and coil rotor
First washer 130 separates；Stator module further includes the first line plate 50 and the second magnet steel being in turn secured in second bearing 40
90, as shown in figure 3, from the point of view of axial direction along micro flat ribbon formula double magnetic circuit drive motor, first line plate 50 and the second magnet steel 90
It is fixed on second bearing 40 from the bottom to top, is separated between the second magnet steel 90 and coil rotor by second packing ring 140；And it is fixed
Sub-component further includes the brush that one end is fixed on first line plate 50 and is electrically connected with first line plate 50, the brush other end and line
The contact of rotor Elastic Sliding is enclosed, to change sense of current in coil rotor.It wherein, is the first brush there are two brush is total to
60 and second brush 70, wherein one end of each brush be fixed on first line plate 50, the other end and coil rotor elasticity are sliding
Dynamic contact.
Still further, coil rotor includes coil mosaic block 110, coil 120 and the second wiring board 160, coil
Mosaic block 110 is sheathed in shaft 150, which is provided with the chamber of damascene wiring 120；Such as Fig. 1 and 2, coil 120 is embedded in coil edge
In chamber in abaculus 110；Second wiring board 160 is then fixed on the bottom surface of coil mosaic block 110, and is electrically connected with coil 120,
The brush other end is contacted with 160 Elastic Sliding of the second wiring board.First line plate 50 connect external power supply, first line plate 50 with
Current path is formed by brush between second wiring board 160, coil 120 is made to be powered.Wherein, first line plate 50 is F-PCB
Plate, the second wiring board 160 are H-PCB plate.Coil 120 is 2~3 groups, and in practice, optimal coil 120 is 3 groups, 3 groups of coils 120
It is evenly and symmetrically distributed in coil mosaic block 110 in a ring.As seen in figures 2 and 3,110 radial section of coil mosaic block is circle
Shape digs out 3 chambers thereon, and one group of coil 120 is respectively embedded into each chamber, and the radial section of coil 120 is in approximate " D " type,
With approximate straightway and the segmental arc to connect near linear section both ends, wherein the segmental arc of every group of coil 120 all leans on
The outer edge of near line circle mosaic block 110, the near linear section of every group of coil 120 is towards shaft 150.
In practical application, the radial section of 90 the two of the first magnet steel 80 and the second magnet steel is annular in shape, specifically using your iron
Boron material is made, and the two number of magnet poles is identical, is 4 poles or 6 poles, optimal is 6 poles.
The working principle of micro flat ribbon formula double magnetic circuit drive motor is: by 90 two groups of magnetic of the first magnet steel 80 and the second magnet steel
Steel (neodymium-iron-boron magnetic material) generates two magnetic circuit closed loops (fixed magnetic circuit), and three groups of coils (free switching) generate one after being powered
The magnetic circuit of reaction force, so that coil rotor rotation be made to generate driving force.The electrical property of micro flat ribbon formula double magnetic circuit drive motor
Parameter is as follows: operating voltage: 3.0V；Operating current: 50mA or less；Starting current: 80mA or less；Start the time: 45nS.
The structure of double magnetic circuit greatly improves magnetic field utilization rate, increases effective magnetic property, reduces micro flat ribbon formula double magnetic circuit and drives
Dynamic motor energy consumption.In preference, coil rotor includes 3 groups of coils, and the first magnet steel 80 and 90 magnetic pole of the second magnet steel are 6 poles, is made
Micro flat ribbon formula double magnetic circuit drive motor thickness T be in the case that 3mm diameter D is this frivolous apparent size of 10mm still
Strong torsion output so may be implemented, thus, the control of micro flat ribbon formula double magnetic circuit drive motor is more intelligent, can quickly realize just
Reverse function keeps its driven object more flexible, more convenient, and because effective magnetism can increase, micro flat ribbon formula double magnetic circuit drives horse
The power consumption energy consumption reached is only 30mA or so, and static energy consumption is zero.The structure of 3 groups of coils and 6 pole magnetic poles, so that coil handoff procedure
In, magnetic field is fully used using no dead angle, magnetic field.
The upper only embodiments of the present invention, are not intended to restrict the invention.For those skilled in the art
For, the invention may be variously modified and varied.All any modifications made in spirit and principles of the present invention are equal
Replacement, improvement etc., should all be included within scope of the presently claimed invention.
Claims (9)
1. a kind of micro flat ribbon formula double magnetic circuit drive motor characterized by comprising
Casing, the casing include first shell (10) and second shell (20), the first shell (10) and second shell
(20) lid closes；
Positioned at the rotor assembly of the casing internal, comprising:
Set on the first bearing (30) of the first shell (10) inner bottom surface；
Set on the second bearing (40) of the second shell (20) inner bottom surface；
One end is connected to the first bearing (30), another shaft (150) for being terminated at the second bearing (40)；And
It is set on the shaft (150), to generate electric current and around the coil rotor of the shaft (150) rotation；The line
Enclosing rotor includes coil mosaic block (110), coil (120) and the second wiring board (160), and coil mosaic block (110) is sheathed on
In shaft (150), the chamber of damascene wiring (120) which is provided with；Coil (120) is embedded in the chamber in coil mosaic block (110)；
Second wiring board (160) is then fixed on the bottom surface of coil mosaic block (110), and is electrically connected with coil (120)；
Wherein coil mosaic block (110) radial section is circle, digs out 3 chambers thereon, 3 chambers are along coil mosaic block
(110) even circumferential is distributed, and one group of coil (120) is respectively embedded into each chamber, the radial section of coil (120) is in approximate
" D " type, with approximate straightway and the segmental arc to connect near linear section both ends, wherein the arc of every group of coil (120)
Shape section is all close to the outer edge of coil mosaic block (110), and the near linear section of every group of coil (120) is towards shaft (150)；
Positioned at the stator module of the casing internal, comprising:
It is fixed on the first magnet steel (80) of the first bearing (30)；
Axial the second magnet steel (90) and first line plate (50) being in turn secured on the second bearing (40) from top to bottom；With
And
The brush that one end is fixed on first line plate (50) and is electrically connected with first line plate (50), the brush other end and institute
State the contact of the second wiring board (160) Elastic Sliding；The brush is 2, and 2 brushes are arranged around the shaft.
2. micro flat ribbon formula double magnetic circuit drive motor according to claim 1, it is characterised in that: be embedded in the coil and inlay
Coil (120) in block (110) is 2~3 groups.
3. micro flat ribbon formula double magnetic circuit drive motor according to claim 2, it is characterised in that: be embedded in the coil and inlay
Coil (120) in block (110) is 3 groups, and 3 groups of coils (120) are evenly and symmetrically distributed on the coil mosaic block in a ring
(110) in.
4. micro flat ribbon formula double magnetic circuit drive motor according to claim 1 to 3, it is characterised in that: first magnetic
Steel (80) is made of neodymium-iron-boron magnetic material.
5. micro flat ribbon formula double magnetic circuit drive motor according to claim 1 to 3, it is characterised in that: second magnetic
Steel (90) is made of neodymium-iron-boron magnetic material.
6. micro flat ribbon formula double magnetic circuit drive motor according to claim 1 to 3, it is characterised in that: first magnetic
The radial section of steel (80) and second magnet steel (90) is annular in shape, and the two number of magnet poles is identical, is 4 poles or 6 poles.
7. micro flat ribbon formula double magnetic circuit drive motor according to claim 6, which is characterized in that first magnet steel (80)
And the number of magnet poles of second magnet steel (90) is 6 poles.
8. micro flat ribbon formula double magnetic circuit drive motor according to claim 1 to 3, which is characterized in that the brush is
2.
9. micro flat ribbon formula double magnetic circuit drive motor according to claim 1 to 3, which is characterized in that described miniature flat
Flat double magnetic circuit drive motor with a thickness of 3.0mm, diameter 10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511000581.XA CN105515322B (en) | 2015-12-24 | 2015-12-24 | A kind of micro flat ribbon formula double magnetic circuit drive motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511000581.XA CN105515322B (en) | 2015-12-24 | 2015-12-24 | A kind of micro flat ribbon formula double magnetic circuit drive motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105515322A CN105515322A (en) | 2016-04-20 |
| CN105515322B true CN105515322B (en) | 2018-12-25 |
Family
ID=55723064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511000581.XA Active CN105515322B (en) | 2015-12-24 | 2015-12-24 | A kind of micro flat ribbon formula double magnetic circuit drive motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105515322B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113922544B (en) * | 2021-10-08 | 2023-02-14 | 浙江大学 | Miniature flat motor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201230260Y (en) * | 2008-06-20 | 2009-04-29 | 倪瑞廷 | Dual ring permanent disk type DC motor |
| CN201315521Y (en) * | 2008-12-17 | 2009-09-23 | 文登永柏微电机有限公司 | Flat vibrating motor |
| DE102009034091A1 (en) * | 2008-07-21 | 2010-01-28 | Johnson Electric S.A. | Electric motor and rotor for it |
| CN103346638A (en) * | 2013-07-03 | 2013-10-09 | 中国科学院电工研究所 | Disc-type motor |
| US20130307380A1 (en) * | 2012-05-17 | 2013-11-21 | Johnson Electric S.A. | Electric Motor |
| CN205265501U (en) * | 2015-12-24 | 2016-05-25 | 惠州市创科电子有限公司 | Miniature flat double magnetic circuit CD -ROM drive motor |
-
2015
- 2015-12-24 CN CN201511000581.XA patent/CN105515322B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201230260Y (en) * | 2008-06-20 | 2009-04-29 | 倪瑞廷 | Dual ring permanent disk type DC motor |
| DE102009034091A1 (en) * | 2008-07-21 | 2010-01-28 | Johnson Electric S.A. | Electric motor and rotor for it |
| CN201315521Y (en) * | 2008-12-17 | 2009-09-23 | 文登永柏微电机有限公司 | Flat vibrating motor |
| US20130307380A1 (en) * | 2012-05-17 | 2013-11-21 | Johnson Electric S.A. | Electric Motor |
| CN103346638A (en) * | 2013-07-03 | 2013-10-09 | 中国科学院电工研究所 | Disc-type motor |
| CN205265501U (en) * | 2015-12-24 | 2016-05-25 | 惠州市创科电子有限公司 | Miniature flat double magnetic circuit CD -ROM drive motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105515322A (en) | 2016-04-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8970141B2 (en) | Resonant actuator using magnetic action for a power toothbrush | |
| CN105006942B (en) | A kind of Miniature reciprocating wig-wag | |
| JP2007181392A (en) | Vibration motor | |
| CN101505085A (en) | Electric motor | |
| WO2022037208A1 (en) | High-frequency high-speed swing motor and method for implementing same | |
| CN108604843A (en) | Electric machine structure | |
| EP3089702B1 (en) | Actuator with grouped magnets for personal care appliance | |
| CN105515322B (en) | A kind of micro flat ribbon formula double magnetic circuit drive motor | |
| US9577500B2 (en) | Rotary continuous permanent magnet motor | |
| CN102761223B (en) | There is brushless motor | |
| US10357346B2 (en) | Actuator with enhanced magnetic spring function for personal care appliance | |
| TWI558086B (en) | A motor speed control method and system thereof | |
| CN106026471A (en) | Miniature brushless vibration motor structure | |
| CN206977328U (en) | A kind of electromagnetic flywheels | |
| CN205265501U (en) | Miniature flat double magnetic circuit CD -ROM drive motor | |
| JP5055858B2 (en) | Rotating generator | |
| CN110445299B (en) | Disk type mobile phone vibrating motor | |
| CN101217258B (en) | A brushless automatic control electric machine liquid resistance starter | |
| CN208738978U (en) | A kind of brushless motor | |
| RU2316881C2 (en) | Electric motor based on constant magnets | |
| CN210225223U (en) | Small motor | |
| CN205265500U (en) | Miniature flat single magnetic circuit CD -ROM drive motor | |
| CN210350882U (en) | Integrated rotor for motor | |
| CN215938240U (en) | Fascia gun | |
| TWI738090B (en) | Motor that increases torque by magnetic force |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191114 Address after: Room 01, 9th floor, unit 1, Xinglun mansion, No.36, Huifeng 6th Road, Zhongkai high tech Zone, Huizhou City, Guangdong Province (office only) Patentee after: Huizhou Yixin Intelligent Control Technology Co., Ltd. Address before: 516006 Guangdong province Huizhou City Zhongkai high tech Zone No. 26 area F building seven floor Patentee before: HUIZHOU CHUANGKE ELECTRONICS CO., LTD. |
|
| TR01 | Transfer of patent right |