CN205753725U - A kind of miniature brushless vibrating dynamo device - Google Patents
A kind of miniature brushless vibrating dynamo device Download PDFInfo
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- CN205753725U CN205753725U CN201620589699.4U CN201620589699U CN205753725U CN 205753725 U CN205753725 U CN 205753725U CN 201620589699 U CN201620589699 U CN 201620589699U CN 205753725 U CN205753725 U CN 205753725U
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- rotating shaft
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Abstract
The utility model discloses a kind of miniature brushless vibrating dynamo device.It includes rotor assembly, stator module and upper casing, described stator module includes FPC printed coil, rotating shaft, driver and bottom bracket, described FPC printed coil is placed on bottom bracket, described driver is placed on FPC printed coil and is connected with FPC printed coil, the center of described bottom bracket is provided with mounting seat, one end of described rotating shaft be placed in mounting seat and with mounting seat interference fit, described rotor assembly is arranged on the other end of rotating shaft, described upper casing matches with bottom bracket and forms a sealing space, described rotor assembly, FPC printed coil, rotating shaft and driver are placed in sealing space.The beneficial effects of the utility model are: use contactless brushless motor structure, to avoid electromechanical device to contact, thus the lifting motor life-span；While motor volume reduces, power does not reduces；Use parts are few, and production technology is simple, and service life is long, is not likely to produce noise, noise.
Description
Technical field
This utility model relates to micro-burst motor correlative technology field, refers in particular to a kind of miniature brushless vibrating dynamo dress
Put.
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；Mobile phone development screen simultaneously
Increasing, the function of curtain is more and more complete, battery is the most durable etc., it is desirable to the associated components in mobile phone is more and more less, gives
Screen, battery etc. allow place.
Vibrating motor, as vibrating function device, is the requisite device of mobile phone, and meanwhile, motor volume is also intended to ask more
Coming the least, and the volume of motor is directly proportional to power, volume reduces, and power of motor also can reduce, thus can affect vibration
Amount.
Traditional vibrating motor for mobile phone utilizes eccentric block operating to produce centrifugal force and produces vibration, and vibrating motor belongs to brush and connects
Touch structure, during work, brush and commutator segment abrasion, easily produce the foreign bodies such as oxide, thus affect service life；Meanwhile, line
The size of circle and magnet steel all has influence on the power of motor, and structure design is limited to motor volume, power of motor and vibratory output.Separately
Outward, coil is to there is technique and the wasting of resources in coiling, and tradition is low with the presence of brush configuration motor friction noise and service life.
Utility model content
This utility model is to overcome the deficiency of above-mentioned existence in prior art, it is provided that a kind of motor volume reduce but
The miniature brushless vibrating dynamo device that power does not reduces.
To achieve these goals, this utility model is by the following technical solutions:
A kind of miniature brushless vibrating dynamo device, including rotor assembly, stator module and upper casing, described stator module
Including FPC printed coil, rotating shaft, driver and bottom bracket, described FPC printed coil is placed on bottom bracket, described driving
Device is placed on FPC printed coil and is connected with FPC printed coil, and the center of described bottom bracket is provided with mounting seat, described rotating shaft
One end be placed in mounting seat and with mounting seat interference fit, described rotor assembly is arranged on the other end of rotating shaft, described
Upper casing matches with bottom bracket and forms a sealing space, described rotor assembly, FPC printed coil, rotating shaft and driver
It is placed in sealing space.
This utility model 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 while motor volume reduces, power does not subtracts
Little.
As preferably, described FPC printed coil includes that FPC substrate and coil groups, described FPC substrate use many stratas
Acid imide material is made, and described coil groups is printed on FPC substrate, and described coil groups includes four coils, described
The shape triangularity of coil.The FPC substrate using multilayer polyimide material carrys out printed coils to replace in conventional motors
Coil, ensure coil normal function under, reduce the volume of motor.
As preferably, described bottom bracket includes that coil bracket and electrode bracket, described bottom bracket are integrated,
Described coil bracket generally circular in shape, described electrode bracket is placed in the edge of coil bracket, one end peace of described rotating shaft
Being contained in the center of coil bracket, described coil is arranged on coil bracket and is placed in coil bracket away from the one of electrode bracket
On end, described driver is arranged on coil bracket and is placed in coil bracket on one end of electrode bracket, described line
Circle electrically connects with driver.By the relative Position Design of coil with driver, constitute the stator of motor.
As preferably, described four coils symmetrical distribution on coil bracket, the most adjacent two coils it
Between the sense of current contrary, described driver is to have the motor driver of Hall function.So design ensure that motor
Vibration sense.
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, and described magnet steel is arranged on yoke, described bias
Balancing weight 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 with oiliness bearing is
Be centrally mounted on yoke, described eccentricity balance-weight block be shaped as semi-circular, the internal diameter of described magnet steel is more than oiliness bearing
Big external diameter, 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, described rotor set with the coil bracket of bottom bracket
Part, coil groups, rotating shaft and driver are placed in sealing space.
The beneficial effects of the utility model are: use FPC printed coil to replace the coil in conventional motors, use non-connecing
Touch brushless motor structure, to avoid electromechanical device to contact, thus the lifting motor life-span；Simultaneously so that motor volume reduces
Meanwhile, power does not reduces；Using parts few, production technology is simple, and service life is long, is not likely to produce noise, noise simultaneously；Separately
Outward, owing to eccentricity balance-weight block is relatively big, vibration sense is the strongest.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
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 torr
Frame, 15. electrode brackets.
Detailed description of the invention
With detailed description of the invention, this utility model is further described below in conjunction with the accompanying drawings.
In embodiment as described in Figure 1, a kind of miniature brushless vibrating dynamo device, including rotor assembly 2, stator module 3
With upper casing 1, stator module 3 includes FPC printed coil 4, rotating shaft 5, driver 6 and bottom bracket 7, and FPC printed coil 4 is placed in down
On bracket 7, driver 6 is placed on FPC printed coil 4 and is connected with FPC printed coil 4, and the center of bottom bracket 7 is provided with installation
Seat, one end of rotating shaft 5 be placed in mounting seat and with mounting seat interference fit, rotor assembly 2 is arranged on the other end of rotating shaft 5,
Upper casing 1 matches with bottom bracket 7 and forms a sealing space, rotor assembly 2, FPC printed coil 4, rotating shaft 5 and driver 6
It is placed in sealing space.
As shown in Figure 2 and Figure 3, FPC printed coil 4 includes FPC substrate 13 and coil groups 12, and FPC substrate 13 uses many stratas
Acid imide material is made, and coil groups 12 is printed on FPC substrate 13, and coil groups 12 includes four coils, the shape of coil
Triangularity.Bottom bracket 7 includes coil bracket 14 and electrode bracket 15, and bottom bracket 7 is integrated, the shape of coil bracket 14
Shape is circular, and 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, and driver 6 is arranged on
On coil bracket 14 and be placed in coil bracket 14 on one end of electrode bracket 15, coil electrically connects with driver 6.Four lines
Circle symmetrical distribution on coil bracket 14, the sense of current between the most adjacent two coils is contrary, and driver 6 is tool
There is the motor driver of Hall function.Upper casing 1 forms a sealing space, rotor assembly with the coil bracket 14 of bottom bracket 7
2, during coil groups 12, 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, and magnet steel 9 is arranged on yoke 11, eccentricity balance-weight block 8
It is arranged on yoke 11 and is placed in the outside of magnet steel 9.Magnet steel 9 is two to pole or three annular magnetic steels to pole, and magnet steel 9 is with oil-containing axle
Be arranged on centered by holding 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 10
Maximum outside diameter, 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, has the driver 6 of Hall function with relative position, forms motor
Stator module 3；The annular magnetic steel of pole is fixed on yoke 11, with eccentricity balance-weight block 8, oiliness bearing 10 groups by two pairs of poles or three
Become the rotor assembly 2 of motor；Rotor assembly 2, stator module 3 and upper casing 1 form whole vibrating motor structure.Utilize magnet steel 9
Permanent-magnetic field, by the motor driver 6 of Hall function, produce to the coil electricity being printed on FPC printed coil 4 and rotate
Eccentricity balance-weight block 8 on power rotor driven assembly 2 produces vibration sense.
Claims (7)
1. a miniature brushless vibrating dynamo device, is characterized in that, including rotor assembly (2), stator module (3) and upper casing
(1), described stator module (3) includes FPC printed coil (4), rotating shaft (5), driver (6) and bottom bracket (7), described
FPC printed coil (4) is placed on bottom bracket (7), and described driver (6) is placed in FPC printed coil (4) and above and prints with FPC
Coil (4) connect, the center of described bottom bracket (7) is provided with mounting seat, one end of described rotating shaft (5) be placed in mounting seat and with peace
Dress seat interference fit, described rotor assembly (2) is arranged on the other end of rotating shaft (5), described upper casing (1) and bottom bracket
(7) formation one that matches seals 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 device, is characterized in that, described FPC printed coil
(4) include that FPC substrate (13) and coil groups (12), described FPC substrate (13) use multilayer polyimide material to be made,
Described coil groups (12) is printed on FPC substrate (13), and described coil groups (12) includes four coils, the shape of described coil
Shape triangularity.
One the most according to claim 2 miniature brushless vibrating dynamo device, is characterized in that, described bottom bracket (7) bag
Including coil bracket (14) and electrode bracket (15), described bottom bracket (7) is integrated, the shape of described coil bracket (14)
Shape is circular, and described electrode bracket (15) is placed in the edge of coil bracket (14), and one end of described rotating shaft (5) is installed online
The center of circle bracket (14), described coil is arranged on coil bracket (14) and above and is placed in coil bracket (14) away from electrode torr
On one end of frame (15), described driver (6) is arranged on coil bracket (14) and above and is placed in coil bracket (14) near electrode
On one end of bracket (15), described coil electrically connects with driver (6).
One the most according to claim 3 miniature brushless vibrating dynamo device, is characterized in that, four described coils are online
The upper symmetrical distribution of circle bracket (14), the sense of current between the most adjacent two coils is contrary, described driver (6)
For having the motor driver of Hall function.
One the most according to claim 1 miniature brushless vibrating dynamo device, is characterized in that, described rotor assembly (2)
Including eccentricity balance-weight block (8), magnet steel (9), yoke (11) and oiliness bearing (10), described yoke (11) generally circular in shape, institute
The oiliness bearing (10) stated is arranged on the center of yoke (11), and described magnet steel (9) is arranged on yoke (11), and described is inclined
Heart balancing weight (8) is arranged on yoke (11) and is placed in the outside of magnet steel (9).
One the most according to claim 5 miniature brushless vibrating dynamo device, is characterized in that, described magnet steel (9) is two
To pole or three annular magnetic steels to pole, described magnet steel (9) is arranged on yoke (11) centered by oiliness bearing (10), described
Eccentricity balance-weight block (8) be shaped as semi-circular, the internal diameter of described magnet steel (9) is more than the maximum outside diameter of oiliness bearing (10), described
The internal diameter of eccentricity balance-weight block (8) is more than the external diameter of magnet steel (9).
One the most according to claim 3 miniature brushless vibrating dynamo device, is characterized in that, described upper casing (1) with
The coil bracket (14) of bottom bracket (7) forms one and seals space, described rotor assembly (2), coil groups (12), rotating shaft (5)
It is placed in sealing space with driver (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620589699.4U CN205753725U (en) | 2016-06-15 | 2016-06-15 | A kind of miniature brushless vibrating dynamo device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620589699.4U CN205753725U (en) | 2016-06-15 | 2016-06-15 | A kind of miniature brushless vibrating dynamo device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205753725U true CN205753725U (en) | 2016-11-30 |
Family
ID=57385223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620589699.4U Active CN205753725U (en) | 2016-06-15 | 2016-06-15 | A kind of miniature brushless vibrating dynamo device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205753725U (en) |
-
2016
- 2016-06-15 CN CN201620589699.4U patent/CN205753725U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 322118 Hengdian Industrial Zone, Jinhua, Zhejiang, China (head of bridge), Dongyang Patentee after: Zhejiang city of Dongyang Province east Cheng Electronic Co., Ltd. Address before: 322118 Hengdian Industrial Zone, Jinhua, Zhejiang, China () Patentee before: Zhejiang Dongyang Chengji Electric Motor Co., Ltd. |