CN106026471A - Miniature brushless vibration motor structure - Google Patents
Miniature brushless vibration motor structure Download PDFInfo
- Publication number
- CN106026471A CN106026471A CN201610422159.1A CN201610422159A CN106026471A CN 106026471 A CN106026471 A CN 106026471A CN 201610422159 A CN201610422159 A CN 201610422159A CN 106026471 A CN106026471 A CN 106026471A
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- CN
- China
- Prior art keywords
- coil
- bracket
- driver
- rotating shaft
- fpc
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/26—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors consisting of printed conductors
-
- 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
-
- 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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses a miniature brushless vibration motor structure, comprising a rotor component, a stator component and an upper closure, wherein the stator component comprises an FPC printed coil, a rotating shaft, a driver and a lower holder, the FPC printed coil is deposited on the lower holder, the driver is deposited on and connected with the FPC printed coil, one end of the rotating shaft is mounted at the center of the lower holder, the rotor component is mounted at the other end of the rotating shaft, the upper closure is matched with the lower holder to form a closed space, and the rotator component, the FPC printed coil, the rotating shaft and the driver are arranged in the closed space. The miniature brushless vibration motor structure has the beneficial effects of replacing a coil in a traditional motor with the FPC printed coil; the non-contact brushless motor structure is adopted to avoid device contact of the motor so as to improve the service life of the motor; the power is not reduced while the size of the motor is reduced; less parts are used, the production process is simple, the service life is long, noise is unlikely to be generated.
Description
Technical field
The present invention relates to micro-burst motor correlative technology field, refer in particular to a kind of miniature brushless vibrating electricity
Machine structure.
Background technology
Along with mobile phone electronic communication function is the most powerful, mobile phone is not the most driven in the life of people；Hands simultaneously
Screen is increasing in machine development, function is more and more complete, battery is the most durable etc., it is desirable in mobile phone
Associated components is more and more less, allows place to screen, battery etc..
Vibrating motor, as vibrating function device, is the requisite device of mobile phone, meanwhile, motor volume
Being also intended to ask more and more less, and the volume of motor is directly proportional to power, volume reduces, power of motor
Also can reduce, thus vibratory output can be affected.
Traditional vibrating motor for mobile phone utilizes eccentric block operating to produce centrifugal force and produces vibration, and vibrating motor belongs to
In brush contact structure, during work, brush and commutator segment abrasion, easily produce the foreign bodies such as oxide, from
And affect service life；Meanwhile, the size of coil and magnet steel all has influence on the power of motor, and structure designs
It is limited to motor volume, power of motor and vibratory output.It addition, coil is to there is technique and resource in coiling
Waste, tradition is low with the presence of brush configuration motor friction noise and service life.
Summary of the invention
The present invention is to overcome the deficiency of above-mentioned existence in prior art, it is provided that a kind of motor volume reduces
But the miniature brushless vibrating dynamo structure that power does not reduces.
To achieve these goals, the present invention is by the following technical solutions:
A kind of miniature brushless vibrating dynamo structure, including rotor assembly, stator module and upper casing, described
Stator module include FPC printed coil, rotating shaft, driver and bottom bracket, described FPC track
Circle is placed on bottom bracket, and described driver is placed on FPC printed coil and is connected with FPC printed coil,
One end of described rotating shaft is arranged on the center of bottom bracket, and described rotor assembly is arranged on another of rotating shaft
On end, the formation one that matches with bottom bracket of described upper casing seals space, described rotor assembly,
FPC printed coil, rotating shaft and driver are placed in sealing space.
The present invention uses FPC printed coil to replace the coil in conventional motors, uses contactless brushless
Electric machine structure, to avoid electromechanical device to contact, thus the lifting motor life-span；Simultaneously so that motor volume
While reduction, power does not reduces.
As preferably, described FPC printed coil includes FPC substrate and coil groups, described FPC
Substrate uses multilayer polyimide material to be made, and described coil groups is printed on FPC substrate, institute
The coil groups stated includes four coils, the shape triangularity of described coil.Use multilayer polyimide material
The FPC substrate of material carrys out printed coils to replace the coil in conventional motors, in the normal merit ensureing coil
Under energy, reduce the volume of motor.
As preferably, described bottom bracket includes that coil bracket and electrode bracket, described bottom bracket are one
Body formed, described coil bracket generally circular in shape, described electrode bracket is placed in the limit of coil bracket
At edge, one end of described rotating shaft is arranged on the center of coil bracket, and described coil is arranged on coil torr
On frame and be placed in coil bracket away from one end of electrode bracket, described driver is arranged on coil bracket
Upper and be placed in coil bracket on one end of electrode bracket, described coil electrically connects with driver.Logical
Cross the relative Position Design of coil and driver, constitute the stator of motor.
As preferably, described four coils symmetrical distribution on coil bracket, the most adjacent two
The sense of current between individual coil is contrary, and described driver is to have the motor driver of Hall function.
So design ensure that the vibration sense of motor.
As preferably, described rotor assembly includes eccentricity balance-weight block, magnet steel, yoke and oiliness bearing,
Described yoke generally circular in shape, described oiliness bearing is arranged on the center of yoke, described magnet steel
Being arranged on yoke, described eccentricity balance-weight block is arranged on yoke and is placed in the outside of magnet steel.
As preferably, described magnet steel is two to pole or three annular magnetic steels to pole, and described magnet steel is to contain
Be arranged on centered by oil bearing on yoke, described eccentricity balance-weight block be shaped as semi-circular, described magnet steel
Internal diameter is more than the maximum outside diameter of oiliness bearing, and the internal diameter of described eccentricity balance-weight block is more than the external diameter of magnet steel.
As preferably, described upper casing forms a sealing space with the coil bracket of bottom bracket, described
Rotor assembly, coil groups, rotating shaft and driver be placed in sealing space in.
The invention has the beneficial effects as follows: use FPC printed coil to replace the coil in conventional motors, adopt
Use contactless brushless motor structure, to avoid electromechanical device to contact, thus the lifting motor life-span；Meanwhile,
While motor volume is reduced, power does not reduces；Using parts few, production technology is simple simultaneously,
Service life is long, is not likely to produce noise, noise；Further, since eccentricity balance-weight block is relatively big, vibration sense also phase
To stronger.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of stator module；
Fig. 3 is the sectional view of Fig. 2；
Fig. 4 is the structural representation of rotor assembly；
Fig. 5 is the sectional view of Fig. 4.
In figure: 1. upper casing, 2. rotor assembly, 3. stator module, 4.FPC printed coil, 5. rotating shaft,
6. driver, 7. bottom bracket, 8. eccentricity balance-weight block, 9. magnet steel, 10. oiliness bearing, 11. yokes,
12. coil groups, 13.FPC substrate, 14. coil brackets, 15. electrode brackets.
Detailed description of the invention
The present invention will be further described with detailed description of the invention below in conjunction with the accompanying drawings.
In embodiment as described in Figure 1, a kind of miniature brushless vibrating dynamo structure, including rotor assembly 2,
Stator module 3 and upper casing 1, stator module 3 includes FPC printed coil 4, rotating shaft 5, driver 6
With bottom bracket 7, FPC printed coil 4 is placed on bottom bracket 7, and driver 6 is placed in FPC printed coil
Being connected on 4 and with FPC printed coil 4, one end of rotating shaft 5 is arranged on the center of bottom bracket 7, turns
Sub-component 2 is arranged on the other end of rotating shaft 5, upper casing 1 match with bottom bracket 7 formation one close
Envelope space, rotor assembly 2, FPC printed coil 4, rotating shaft 5 and driver 6 are placed in sealing space.
As shown in Figure 2 and Figure 3, FPC printed coil 4 includes FPC substrate 13 and coil groups 12, FPC
Substrate 13 uses multilayer polyimide material to be made, and coil groups 12 is printed on FPC substrate 13,
Coil groups 12 includes four coils, the shape triangularity of coil.Bottom bracket 7 includes coil bracket 14
With electrode bracket 15, bottom bracket 7 is integrated, coil bracket 14 generally circular in shape, electrode
Bracket 15 is placed in the edge of coil bracket 14, and one end of rotating shaft 5 is arranged on the center of coil bracket 14
Place, coil is arranged on coil bracket 14 and is placed on coil bracket 14 one end away from electrode bracket 15,
Driver 6 is arranged on coil bracket 14 and is placed in coil bracket 14 on one end of electrode bracket 15,
Coil electrically connects with driver 6.Four coils symmetrical distribution, Qi Zhongxiang on coil bracket 14
The sense of current between adjacent two coils is contrary, and driver 6 is the motor driver with Hall function.
Upper casing 1 forms a sealing space, rotor assembly 2, coil groups with the coil bracket 14 of bottom bracket 7
12, during rotating shaft 5 and driver 6 are placed in sealing space.
As shown in Figure 4, Figure 5, rotor assembly 2 includes eccentricity balance-weight block 8, magnet steel 9, yoke 11 and
Oiliness bearing 10, yoke 11 generally circular in shape, oiliness bearing 10 is arranged on the center of yoke 11,
Magnet steel 9 is arranged on yoke 11, and eccentricity balance-weight block 8 is arranged on yoke 11 and is placed in outside magnet steel 9
Side.Magnet steel 9 is two to install pole or three annular magnetic steels to pole, magnet steel 9 centered by oiliness bearing 10
On yoke 11, eccentricity balance-weight block 8 be shaped as semi-circular, the internal diameter of magnet steel 9 be more than oiliness bearing
The maximum outside diameter of 10, the internal diameter of eccentricity balance-weight block 8 is more than the external diameter of magnet steel 9.
FPC printed coil 4, is fixed on bottom bracket 7, with the driving that relative position has Hall function
Device 6, the stator module 3 of composition motor；The annular magnetic steel of pole is fixed on yoke 11 by two pairs of poles or three,
With the rotor assembly 2 that eccentricity balance-weight block 8, oiliness bearing 10 form motor；Rotor assembly 2, stator pack
Part 3 and upper casing 1 form whole vibrating motor structure.Utilize the permanent-magnetic field of magnet steel 9, pass through Hall
The motor driver 6 of function, produces revolving force band to the coil electricity being printed on FPC printed coil 4
Eccentricity balance-weight block 8 on dynamic rotor assembly 2 produces vibration sense.
Claims (7)
1. a miniature brushless vibrating dynamo structure, is characterized in that, including rotor assembly (2), stator module (3)
With upper casing (1), described stator module (3) include FPC printed coil (4), rotating shaft (5),
Driver (6) and bottom bracket (7), described FPC printed coil (4) is placed on bottom bracket (7),
Described driver (6) is placed in FPC printed coil (4) and above and is connected with FPC printed coil (4),
One end of described rotating shaft (5) is arranged on the center of bottom bracket (7), described rotor assembly (2) peace
Being contained on the other end of rotating shaft (5), described upper casing (1) matches with bottom bracket (7) formation one
Individual sealing space, described rotor assembly (2), FPC printed coil (4), rotating shaft (5) and driver
(6) it is placed in sealing space.
One the most according to claim 1 miniature brushless vibrating dynamo structure, is characterized in that, described FPC
Printed coil (4) includes FPC substrate (13) and coil groups (12), described FPC substrate (13)
Using multilayer polyimide material to be made, described coil groups (12) is printed on FPC substrate (13)
On, described coil groups (12) includes four coils, the shape triangularity of described coil.
One the most according to claim 2 miniature brushless vibrating dynamo structure, is characterized in that, described subiculum
Frame (7) includes that coil bracket (14) and electrode bracket (15), described bottom bracket (7) are that one becomes
Type, described coil bracket (14) generally circular in shape, described electrode bracket (15) is placed in coil
The edge of bracket (14), one end of described rotating shaft (5) is arranged on the center of coil bracket (14),
Described coil is arranged on coil bracket (14) and above and is placed in coil bracket (14) away from electrode bracket (15)
One end on, it is upper and be placed in coil bracket (14) that described driver (6) is arranged on coil bracket (14)
On one end of electrode bracket (15), described coil electrically connects with driver (6).
One the most according to claim 3 miniature brushless vibrating dynamo structure, is characterized in that, described four
Coil is in the upper symmetrical distribution of coil bracket (14), the electric current side between the most adjacent two coils
To on the contrary, described driver (6) is the motor driver with Hall function.
One the most according to claim 1 miniature brushless vibrating dynamo structure, is characterized in that, described rotor
Assembly (2) includes eccentricity balance-weight block (8), magnet steel (9), yoke (11) and oiliness bearing (10),
Described yoke (11) generally circular in shape, described oiliness bearing (10) is arranged on yoke (11)
Center, described magnet steel (9) is arranged on yoke (11), described eccentricity balance-weight block (8) peace
It is contained on yoke (11) and is placed in the outside of magnet steel (9).
One the most according to claim 5 miniature brushless vibrating dynamo structure, is characterized in that, described magnet steel
(9) it is two to be with oiliness bearing (10) to pole or three annular magnetic steels to pole, described magnet steel (9)
Be centrally mounted on yoke (11), described eccentricity balance-weight block (8) be shaped as semi-circular, described magnet steel
(9) internal diameter is more than the maximum outside diameter of oiliness bearing (10), the internal diameter of described eccentricity balance-weight block (8)
External diameter more than magnet steel (9).
One the most according to claim 3 miniature brushless vibrating dynamo structure, is characterized in that, described upper machine
Shell (1) forms a sealing space, described rotor set with the coil bracket (14) of bottom bracket (7)
Part (2), coil groups (12), rotating shaft (5) and driver (6) are placed in sealing space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610422159.1A CN106026471A (en) | 2016-06-15 | 2016-06-15 | Miniature brushless vibration motor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610422159.1A CN106026471A (en) | 2016-06-15 | 2016-06-15 | Miniature brushless vibration motor structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106026471A true CN106026471A (en) | 2016-10-12 |
Family
ID=57088599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610422159.1A Pending CN106026471A (en) | 2016-06-15 | 2016-06-15 | Miniature brushless vibration motor structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106026471A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109067099A (en) * | 2018-09-25 | 2018-12-21 | 深圳市千代机电设备有限公司 | A kind of FPC winding motor and generator |
| CN109120128A (en) * | 2018-09-29 | 2019-01-01 | 立得微电子(惠州)有限公司 | A kind of DC Brushless Motor and its assemble method |
| CN109660048A (en) * | 2019-01-12 | 2019-04-19 | 江苏云能电器研究院有限公司 | A kind of design method of PCB winding overhang optimization |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040104631A1 (en) * | 2002-12-03 | 2004-06-03 | Tokyo Parts Industrial Co., Ltd. | Brushless vibration motor |
| CN201383721Y (en) * | 2009-02-23 | 2010-01-13 | 深圳市仓兴达科技有限公司 | Circular flat brushless non-iron core permanent-magnet direct current vibration micro-motor |
| CN204013168U (en) * | 2014-06-24 | 2014-12-10 | 东莞市吉铼升电机有限公司 | A kind of flat DC permanent magnet iron-core-free brushless motor for ultra-thin DVD |
-
2016
- 2016-06-15 CN CN201610422159.1A patent/CN106026471A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040104631A1 (en) * | 2002-12-03 | 2004-06-03 | Tokyo Parts Industrial Co., Ltd. | Brushless vibration motor |
| CN201383721Y (en) * | 2009-02-23 | 2010-01-13 | 深圳市仓兴达科技有限公司 | Circular flat brushless non-iron core permanent-magnet direct current vibration micro-motor |
| CN204013168U (en) * | 2014-06-24 | 2014-12-10 | 东莞市吉铼升电机有限公司 | A kind of flat DC permanent magnet iron-core-free brushless motor for ultra-thin DVD |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109067099A (en) * | 2018-09-25 | 2018-12-21 | 深圳市千代机电设备有限公司 | A kind of FPC winding motor and generator |
| CN109067099B (en) * | 2018-09-25 | 2023-10-03 | 深圳市千代机电设备有限公司 | FPC winding motor and generator |
| CN109120128A (en) * | 2018-09-29 | 2019-01-01 | 立得微电子(惠州)有限公司 | A kind of DC Brushless Motor and its assemble method |
| CN109660048A (en) * | 2019-01-12 | 2019-04-19 | 江苏云能电器研究院有限公司 | A kind of design method of PCB winding overhang optimization |
| CN109660048B (en) * | 2019-01-12 | 2020-10-02 | 江苏云能电器研究院有限公司 | Design method for optimizing end part of PCB (printed circuit board) winding |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 322118 Hengdian Industrial Zone, Jinhua, Zhejiang, China (head of bridge), Dongyang Applicant after: Zhejiang city of Dongyang Province east Cheng Electronic Co., Ltd. Address before: 322118 Hengdian Industrial Zone, Jinhua, Zhejiang, China () Applicant before: Zhejiang Dongyang Chengji Electric Motor Co., Ltd. |
|
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161012 |