CN100409544C - Flat vibrating motor - Google Patents
Flat vibrating motor Download PDFInfo
- Publication number
- CN100409544C CN100409544C CNB2003101228322A CN200310122832A CN100409544C CN 100409544 C CN100409544 C CN 100409544C CN B2003101228322 A CNB2003101228322 A CN B2003101228322A CN 200310122832 A CN200310122832 A CN 200310122832A CN 100409544 C CN100409544 C CN 100409544C
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- China
- Prior art keywords
- magnetite
- collar extension
- lodestone
- motor
- bearing
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- 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.)
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- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The present invention relates to a flat vibrating motor which comprises a rotor part and a stator part, wherein the rotor part is composed of a lodestone, a lodestone collar extension arranged on the lodestone, and a bearing inlaid in the center of the lodestone and the lodestone collar extension; the stator part is composed of a circuit basal board, a coil fixed on the circuit basal board, a shaft arranged in the central position of the circuit basal board and a motor casing sheathed outside. The present invention is characterized in that the lodestone is composed of an S pole and an N pole and is semicircular; the lodestone collar extension forms a staircase shape, and surrounds the semicircular lodestone in a paraclase position; two gaps are arranged in the diameter direction of the lodestone collar extension; the coil is composed of two sub-coils of an electric machine. Because the two gaps are arranged on the lodestone collar extension, the present invention has the function equal to that quadrupole lodestone are arranged in a crossed way; simultaneously, because the lodestone is semicircular, the gravity centre of the lodestone is inclined so as to produce strong vibrating force; because the number of the loadstone is half, and the number of the coils is two, the present invention has the advantages of simple structure and low manufacture cost.
Description
Technical field
The present invention relates to a kind of vibrating motor, rotate and drive the flat oscillating motor of vibration thereby relate in particular to a kind of rotor that makes centre offset.
Background technology
The structure of prior art vibrating motor is usually by forming with lower member, the magnetite of one circular plate shape, the magnetite of this circular plate shape is by 4 N, the magnetization of the S utmost point, the motor subcoil of a plurality of centre offsets, magnetite is equipped with in opposite directions with a plurality of motor subcoils of centre offset setting, electric current by flowing through coil and the interaction between magnetite magnetic field, rotor begin to rotate and produce vibration.
Though vibrative effect of energy of above-mentioned flat oscillating motor device and effect, the problem that exists in actual manufacture process is:
1. complex structure makes it to involve great expense because the parts of above-mentioned prior art vibrating motor are many;
2. because the vibration force of above-mentioned prior art vibrating motor is equipped with the motor subcoil of centre offset in opposite directions by magnetite produces, it is not obvious to make it vibration force.
Summary of the invention
The object of the present invention is to provide a kind of flat oscillating motor, it can just can produce bigger vibration force by simple structure.
The object of the present invention is achieved like this:
A kind of flat oscillating motor comprises: rotor part of She Zhiing and stator component in opposite directions; Described rotor part by magnetite, be arranged on magnetite collar extension on the magnetite, the bearing that is embedded in magnetite and magnetite collar extension center forms; Described stator component by circuit substrate, be fixed on coil on the circuit substrate, be arranged on the axle on the circuit substrate center and be set in rotor part and casing that stator component is outer is formed; Be characterized in:
Magnetite in the described rotor is made up of a S utmost point and a N utmost point and is formed a semi-circular shape, and described magnetite collar extension is stepped, and it takes on semicircle magnetite in the tomography position, at the diametric suitable position place of these magnetite collar extension central authorities two slits is set;
Coil in the described stator component is made up of two motor subcoils.
In above-mentioned flat oscillating motor, wherein, the described length range that is arranged on each slit on the rotor magnetite collar extension is: 80 55 percent to percent of the radius of magnetite collar extension.
In above-mentioned flat oscillating motor, wherein, the width in described slit is equivalent to the width of magnetite two neighboring pole magnetic field boundary.
In above-mentioned flat oscillating motor, wherein, described bearing is positioned at the diameter center of semicircle magnetite, and the top of bearing is boss, and the central part of described magnetite collar extension is arranged on the bearing boss, and the neck of magnetite collar extension and bearing coincide fixing closely.
In above-mentioned flat oscillating motor, wherein, the thickness of described bearing is higher than the thickness of magnetite, forms the gap between magnetite collar extension, magnetite both and the two motor subcoils.
In above-mentioned flat oscillating motor, wherein, the described two motor subcoil ovalizes that are arranged on the circuit substrate, the outside of two motor subcoils is circular shape, and the inboard is the section shape linearly.
Flat oscillating motor of the present invention makes it compared with prior art owing to adopted above-mentioned technical scheme, has following advantage and good effect:
1. the present invention is owing to be provided with two slits on the magnetite collar extension of rotor, and thus, the magnetite collar extension part (is the semicircle on boundary with the slit) that the N pole-face of magnetite is followed mutually becomes the N utmost point, and the reverse side of the N utmost point is the S utmost point at this moment; And the magnetite S utmost point of following mutually with the magnetite collar extension just can this type of release: the magnetite collar extension part (is the semicircle on boundary with the slit) that the S pole-face of magnetite is followed mutually becomes the S utmost point, and the reverse side of the magnetite S utmost point is the N utmost point.So, relative with coil to rotor have and the mutual equal value of four utmost point magnetites of cross arrangement N, S;
2. the present invention is owing to be provided with the semicircular in shape shape with magnetite, and therefore when rotary rotor, the asymmetric of magnetite quality makes it center of gravity, thereby produces and rotate the corresponding vibration force of number;
3. therefore the present invention need not use and make it the brush of stream that rotates, thereby make it simple in structure because coil is set to two;
4. the present invention is set to half owing to magnetite, and coil is set to two, so manufacturing cost descends.
Description of drawings
By the description of a following embodiment to flat oscillating motor of the present invention, can further understand purpose of the present invention, specific structural features and advantage in conjunction with its accompanying drawing.Wherein, accompanying drawing is:
Fig. 1 is the decomposition texture schematic diagram of flat oscillating motor of the present invention;
Fig. 2 is the structural representation after the combination of flat oscillating motor of the present invention.
Embodiment
See also illustrated in figures 1 and 2ly, a kind of flat oscillating motor of the present invention is made up of rotor 10 parts and stator 20 parts that are provided with in opposite directions.
Described rotor 10 parts by magnetite 1, be arranged on magnetite collar extension 2 on the magnetite 1, the bearing 3 that is embedded in magnetite 1 and magnetite collar extension 2 centers forms.Magnetite 1 semicircular in shape shape, it is made up of a S utmost point and a N utmost point; Magnetite collar extension 2 is stepped, and magnetite collar extension 2 takes on semicircle magnetite 1 in tomography position 21.Diametric suitable position place in these magnetite collar extension 2 central authorities is provided with two slits 22, the length range in each slit 22 is 80 55 percent to percent of magnetite collar extension 2 radiuses, in the present embodiment, the length in slit 22 is about 70 percent of magnetite collar extension 2 radiuses; And the width in slit 22 is equivalent to the width of magnetite 1 two neighboring pole magnetic field boundary.Bearing 3 is positioned at the diameter center of semicircle magnetite 1, the top of bearing 3 is boss 31, the central part of magnetite collar extension 2 is arranged on bearing 3 boss 31, the neck of magnetite collar extension 2 and bearing 3 coincide fixing closely, because the thickness of bearing 3 is higher than the thickness of magnetite 1, therefore magnetite collar extension 2, magnetite 1 both with motor subcoil (5-1,5-2) between formation gap 11.
Described stator 20 parts by circuit substrate 6, be fixed on coil 5 on the circuit substrate 6, be arranged on the axle 4 on circuit substrate 6 centers and be set in outer casing 7 and formed.In the present invention, coil 5 is made up of two motor subcoil 5-1 and 5-2, two motor subcoil 5-1 and 5-2 ovalize, and the outside of oval motor subcoil 5-1 and 5-2 is circular shape, and the inboard is straight section.
On circuit substrate 6, also be provided with other necessary parts of vibrating motor, as IC integrated circuit 8, Hall element 9 etc.; Be vertically set on axle 4 bearings 3 that connecting in rotor 10 parts at circuit substrate 6 centers, thereby rotor 10 parts and stator 20 unit constructions are in the same place, and cover the complete flat oscillating motor of casing 7 formation.
In the present invention, magnetite 1 has formed a kind of states that stand facing each other mutually with coil 5 across magnetism gap 11 after being magnetized by N, the S utmost point.Similarly, in magnetite collar extension 2, the semi-circular portion that is not placed into magnetite 1 has also formed after having got involved magnetite gap 11 and a kind ofly has been in the state of face-off mutually with coil 5.And, the both sides semicircle central portion that has drop in magnetite collar extension 2 has two slits 22, these two slits 22 are because of having cut apart the magnetic pole of fixedly connected magnetite 1, so, magnetite collar extension 2 parts that the N pole-face of magnetite 1 is followed mutually (is the semicircle on boundary with the slit) become the N utmost point, and the reverse side of the N utmost point is the S utmost point at this moment; And the S utmost point of the magnetite of following mutually with magnetite collar extension 21 just can this type of release: magnetite collar extension 2 parts that the S pole-face of magnetite 1 is followed mutually (is the semicircle on boundary with the slit) become the S utmost point, and the reverse side of the S utmost point of magnetite 1 is the N utmost point.So, relative with coil to rotor have and the mutual equal value of four utmost point magnetites of cross arrangement N, S.
Simultaneously, because magnetite 1 is provided with the semicircular in shape shape, its asymmetric quality itself also plays effect, so, when rotary rotor 10, thereby produce and rotate the corresponding vibration force of number because of the inclination of asymmetric center of gravity.
The present invention is work like this:
As two motor subcoil 5-1 of coil 5 with 5-2 is logical when going up electric current, then look and begin to move like the electromagnetic force of the axle 4 between magnetite 1 for the rotation direction at center, because promptly can producing, the peculiar function that parts constituted on the circuit substrate 6 rotates stream, thereby can routinely rotate, therefore can be according to its off-centre the rotation of rotor 10 produce vibration force.
In sum, as previously discussed, present embodiment is to be just to realize having the flat oscillating motor of 4 utmost points, 2 coils with simple structure, so effect cheap for manufacturing cost is arranged.Flat oscillating motor of the present invention is owing to be provided with two slits on the magnetite collar extension of rotor, make it to have the equivalent effect with the magnetite of four utmost point N, S cross arrangement; Simultaneously, because magnetite is provided with the semicircular in shape shape, the asymmetric of it makes it center of gravity, thereby produces stronger vibration force; In addition, be set to two because magnetite is set to half, coil, therefore simple in structure and manufacturing cost descends.This shows, the flat oscillating motor of the present invention by providing a kind of simple structure just can produce big vibration force is therefore very practical.
Claims (6)
1. flat oscillating motor comprises: the rotor of She Zhiing (10) parts and stator (20) parts in opposite directions; Described rotor (10) parts by magnetite (1), be arranged on magnetite collar extension (2) on the magnetite (1), the bearing (3) that is embedded in magnetite (1) and magnetite collar extension (2) center forms; Described stator (20) parts by circuit substrate (6), be fixed on coil (5) on the circuit substrate (6), be arranged on the axle (4) on circuit substrate (6) center and be set in described rotor part and casing (7) that described stator component is outer is formed;
It is characterized in that:
Magnetite (1) in the described rotor (10) is made up of a S utmost point and a N utmost point and is formed a semi-circular shape, described magnetite collar extension (2) is stepped, it takes on semicircle magnetite (1) in tomography position (21), at the diametric suitable position place of these magnetite collar extension (2) central authorities two slits (22) is set;
Coil (5) in described stator (20) parts is made up of two motor subcoils (5-1,5-2).
2. flat oscillating motor as claimed in claim 1 is characterized in that: the described length range that is arranged on each slit (22) on rotor (10) the magnetite collar extension (2) is: 80 55 percent to percent of the radius of magnetite collar extension (2).
3. flat oscillating motor as claimed in claim 1 or 2 is characterized in that: the width of described slit (22) is equivalent to the width of magnetite (1) two neighboring pole magnetic field boundary.
4. flat oscillating motor as claimed in claim 1, it is characterized in that: described bearing (3) is positioned at the diameter center of semicircle magnetite (1), the top of bearing (3) is boss (31), the central part of described magnetite collar extension (2) is arranged on bearing (3) boss (31), and the neck of magnetite collar extension (2) and bearing (3) coincide fixing closely.
5. as claim 1 or 4 described flat oscillating motors, it is characterized in that: the thickness of described bearing (3) is higher than the thickness of magnetite (1), forms gap (11) between magnetite collar extension (2), magnetite (1) both and the motor subcoil (5-1,5-2).
6. flat oscillating motor as claimed in claim 1, it is characterized in that: described two motor subcoils (5-1, the 5-2) ovalize that is arranged on the circuit substrate (6), the outside of motor subcoil (5-1,5-2) is circular shape, and the inboard is the section shape linearly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101228322A CN100409544C (en) | 2003-12-26 | 2003-12-26 | Flat vibrating motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101228322A CN100409544C (en) | 2003-12-26 | 2003-12-26 | Flat vibrating motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1635688A CN1635688A (en) | 2005-07-06 |
| CN100409544C true CN100409544C (en) | 2008-08-06 |
Family
ID=34844629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003101228322A Expired - Fee Related CN100409544C (en) | 2003-12-26 | 2003-12-26 | Flat vibrating motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100409544C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102817870B (en) * | 2011-06-08 | 2016-05-11 | 富准精密工业(深圳)有限公司 | Radiator fan |
| CN105811674A (en) * | 2016-05-28 | 2016-07-27 | 杨永清 | Method for manufacturing permanent magnet power generators with equal-diameter stator and rotor combinations |
| CN109217501A (en) * | 2018-10-22 | 2019-01-15 | 中国船舶重工集团公司第七0七研究所 | A kind of bidirectional self-locking rotary magnetic retainer |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6566772B2 (en) * | 2001-01-18 | 2003-05-20 | Tokyo Parts Industrial Co., Ltd. | Axial directional gap type eccentric rotor having stop position maintaining unit and flat coreless vibration motor using the rotor |
| US6700250B2 (en) * | 2001-06-20 | 2004-03-02 | Entac Co., Ltd. | Vibration motor |
-
2003
- 2003-12-26 CN CNB2003101228322A patent/CN100409544C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6566772B2 (en) * | 2001-01-18 | 2003-05-20 | Tokyo Parts Industrial Co., Ltd. | Axial directional gap type eccentric rotor having stop position maintaining unit and flat coreless vibration motor using the rotor |
| US6700250B2 (en) * | 2001-06-20 | 2004-03-02 | Entac Co., Ltd. | Vibration motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1635688A (en) | 2005-07-06 |
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Granted publication date: 20080806 Termination date: 20141226 |
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