CN105827059A - Micro high-frequency vibration motor - Google Patents
Micro high-frequency vibration motor Download PDFInfo
- Publication number
- CN105827059A CN105827059A CN201610315011.8A CN201610315011A CN105827059A CN 105827059 A CN105827059 A CN 105827059A CN 201610315011 A CN201610315011 A CN 201610315011A CN 105827059 A CN105827059 A CN 105827059A
- Authority
- CN
- China
- Prior art keywords
- iron core
- stator
- vibrating motor
- novel high
- rotating shaft
- 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
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
- H02K7/065—Electromechanical oscillators; Vibrating magnetic drives
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
The invention provides a micro high-frequency vibration motor which comprises a center spindle, an iron core rotor, a reset spring, a winding and a stator, wherein the iron core rotor sleeves the center spindle; magnetic assemblies are disposed on the iron core rotor; the quantity of the magnet assemblies is two, and the magnet assemblies are disposed symmetrically along the central axis center of the iron core rotor; each magnet assembly comprises N-pole magnets and S-pole magnets which are disposed at intervals along circumferences of the central axis of the iron core rotor; and the upper end of the iron core rotor is connected to an upper cover. The motor provided by the invention has the beneficial effects that according to electromagnetic induction and principles that magnets with the same magnetic property repel each other and magnets with the opposite magnetic properties attract each other, the direction of a current entering the winding is controlled, so that the N-pole magnets and the S-pole magnets can be deflected and then drive the iron core rotor to rotate back and forth, and thus the center spindle is driven to rotate back and forth, and vibration effects can be realized. A rotation angle of the iron core rotor is small, so that the motor has the advantages of high vibration frequency, stable vibration frequency, low energy consumption, a long service life and low noise.
Description
Technical field
The present invention relates to motor, particularly relate to a kind of novel high-frequency vibrating motor.
Background technology
It is known that traditional vibrating motor is to install an eccentric metal block at rotor of output shaft axle end, the centrifugal force utilizing axle and eccentric block high speed rotating to produce obtains exciting force.The vibration frequency range of vibrating motor is big, and only exciting force and power ties in and could reduce mechanicalness noise.Owing to it uses eccentric structure, its amplitude is uneven, and frequency of vibration is not sufficiently stable, and is difficult to miniaturization；Suitable limited of the amplitude of the most traditional vibrating motor, and extremely unstable.In addition it is referred to as than the class motor that has of conventional vibration motor more high-quality: " sound wave motor ", the resetting means of this type of motor is the snap the line used mostly, the ability of this snap the line anti-metal fatigue is the weakest, the situation of broken string easily occurs in use for some time so that there has been a greatly discount in the life-span of that class motor.
Summary of the invention
In order to solve the problems of the prior art, the invention provides a kind of be prone to miniaturization, frequency of vibration is high, frequency of vibration is stable, noise is low novel high-frequency vibrating motor.
nullThe invention provides a kind of novel high-frequency vibrating motor，Including central rotating shaft、Iron core、Back-moving spring、Winding and stator，Wherein，Described iron core is sheathed on described central rotating shaft，Described iron core is provided with magnet assemblies，Described magnet assemblies has two and is symmetrical arranged，Described magnet assemblies includes the central axis circumferentially spaced N pole Magnet along described iron core and S pole Magnet，The upper end of described iron core connects upper cover，The lower end of described iron core connects lower cover，Described back-moving spring is fixed on the tail end of central rotating shaft by spring mountings，The upper end of described stator is connected with described upper cover，The lower end of described stator is connected with described lower cover，Iron core described in described stator surrounding，The upper end of described stator connects upper insulating support，The lower end of described stator connects lower insulation support，Described winding is wound on described upper insulating support、On lower insulation support.
As a further improvement on the present invention, described iron core is provided with central shaft hole, described central rotating shaft is located on described central shaft hole, and the sidewall of described iron core is provided with four location and installation grooves, and described N pole Magnet, S pole Magnet are separately fixed in described location and installation groove.
As a further improvement on the present invention, two the N pole Magnet being positioned at described iron core both sides are symmetrical arranged, and two the S pole Magnet being positioned at described iron core both sides are symmetrical arranged.
As a further improvement on the present invention, described upper insulating support, lower insulation support are respectively fitted on described stator, and described upper insulating support, lower insulation support close up setting, and described stator is wrapped up in the insulation of described upper insulating support, lower insulation support.
As a further improvement on the present invention, the upper end of described central rotating shaft is arranged with copper sheathing, and the lower end of described central rotating shaft is arranged with lower copper sheathing, and described upper copper sheathing is positioned at the upper end of described iron core, and described lower copper sheathing is positioned at the lower end of described iron core.
As a further improvement on the present invention, described stator, upper cover, lower cover are installed by bolt, nut fastening.
As a further improvement on the present invention, the lower end of described central rotating shaft is provided with flat-shaped portion, and described flat-shaped portion tightens and is cased with back-moving spring.
As a further improvement on the present invention, described back-moving spring be use the processed curved handware to " m " character form structure of high tenacity snap the line, described under be covered with the mounting post with endoporus, described back-moving spring two ends are inserted in the endoporus of described mounting post.
As a further improvement on the present invention, described upper cover, lower cover are respectively equipped with location bone, and described location bone inserts described upper insulating support, lower insulation support respectively.
As a further improvement on the present invention, described stator is made by silicon steel material with iron core, described N pole Magnet, S pole Magnet are strip and be arranged in parallel with described iron core respectively, and described upper cover, lower cover are axial restraint, circumference clearance fit respectively with described iron core.
The invention has the beneficial effects as follows: pass through such scheme, the same sex according to electromagnetic induction and Magnet is repelled each other principle of opposite sex attraction, it is passed through the sense of current of winding by control, so that N pole Magnet and S pole Magnet deflect and drives iron core reciprocating rotation, thus drives central rotating shaft reciprocating rotation, realize vibrating effect, owing to iron core rotational angle is little, therefore, there is frequency of vibration high, frequency of vibration is stable, and the advantage that energy consumption is low, life-span length, noise are little.
Accompanying drawing explanation
Fig. 1 is the decomposing schematic representation of the present invention a kind of novel high-frequency vibrating motor.
Fig. 2 is the schematic perspective view of the present invention a kind of novel high-frequency vibrating motor.
Fig. 3 is the decomposing schematic representation of the present invention a kind of novel high-frequency vibrating motor.
Fig. 4 is the operating diagram of the present invention a kind of novel high-frequency vibrating motor.
Fig. 5 is the operating diagram of the present invention a kind of novel high-frequency vibrating motor.
Detailed description of the invention
The present invention is further described for explanation and detailed description of the invention below in conjunction with the accompanying drawings.
Drawing reference numeral in Fig. 1 to Fig. 5 is: central rotating shaft 1；Iron core 2, N pole Magnet 3；S pole Magnet 4；Upper cover 5；Lower cover 6；Winding 7；Stator 8；Upper insulating support 9；Lower insulation support 10；Upper copper sheathing 11；Lower copper sheathing 12；Bolt 13；Location and installation groove 14；Back-moving spring 15；Spring mountings 16；Mounting post 17；Location bone 18；Nut 19.
nullAs shown in Figures 1 to 5，A kind of novel high-frequency vibrating motor，Including central rotating shaft 1、Iron core 2、Winding 7 and stator 8，Wherein，Described iron core 2 is sheathed on described central rotating shaft 1，Described iron core 2 is provided with magnet assemblies，Described magnet assemblies has two and is symmetrical arranged，Described magnet assemblies includes central axis circumferentially spaced N pole the Magnet 3 and S pole Magnet 4 along described iron core 2，The upper end of described iron core 2 connects upper cover 5，The lower end of described iron core 2 connects lower cover 6，The upper end of described stator 8 is connected with described upper cover 5，The lower end of described stator 8 is connected with described lower cover 6，Described stator 8 surrounds described iron core 2，The upper end of described stator 8 connects upper insulating support 9，The lower end of described stator 8 connects lower insulation support 10，Described winding 7 is wound on described upper insulating support 9、On lower insulation support 10.
As shown in Figures 1 to 5, described iron core 2 is sheathed on middle part or the middle and lower part of central rotating shaft 1, and it can rotate with the rotation of central rotating shaft 1.
As shown in Figures 1 to 5, described upper cover 5, lower cover 6 are axial restraint, circumference clearance fit respectively with described iron core 2, the most described upper cover 5 is fixed on described iron core 2 two ends with lower cover about 6, for solid in the axial direction described iron core 2, and but described upper cover 5 do not rotate with the rotation of iron core 2 with lower cover 6.In the present embodiment, described upper cover 5, engages with lower cover 6 centered by stator 8 up and down.Described winding 7 includes symmetrically arranged first winding and the second winding, formed between described upper insulating support 9 and lower insulation support 10 and can install described first winding and the space of the second winding, first winding and the second winding symmetry are installed on described stator 8 so that this is first consistent around the coil direction of winding and the second winding.
As shown in Figures 1 to 5, described iron core 2 is provided with central shaft hole, described central rotating shaft 1 is located on described central shaft hole, and the sidewall of described iron core 2 is provided with four location and installation grooves 14, and described N pole Magnet 3, S pole Magnet 4 are separately fixed in described location and installation groove 14.
As shown in Figures 1 to 5, when described winding 7 is passed through positive and negative alternate electric current, described N pole Magnet 3 and S pole Magnet 4 drive described central rotating shaft 1 reciprocating rotation under magneticaction, form dither.
As shown in Figures 1 to 5, two the N pole Magnet 3 being positioned at described iron core 2 both sides are symmetrical arranged, and two the S pole Magnet 4 being positioned at described iron core 2 both sides are symmetrical arranged.
As shown in Figures 1 to 5, described upper insulating support 9, lower insulation support 10 are respectively fitted on described stator 8, and described upper insulating support 9, lower insulation support 10 close up setting, and described stator 8 is wrapped up in the insulation of described upper insulating support 9, lower insulation support 10.
As shown in Figures 1 to 5, the upper end of described central rotating shaft 1 is arranged with copper sheathing 11, and the lower end of described central rotating shaft 1 is arranged with lower copper sheathing 12, and described upper copper sheathing 11 is positioned at the upper end of described iron core 2, and described lower copper sheathing 12 is positioned at the lower end of described iron core 2.
As shown in Figures 1 to 5, described stator 8, upper cover 5, lower cover 6 are installed by bolt 13, nut 19 fastening, and described bolt 13 runs through described stator 8, upper cover 5, lower cover 6, and described nut 19 is anchored on described upper cover 5.
As shown in Figures 1 to 5, as shown in Figures 1 to 5, described central rotating shaft 1 is in round bar shape, its lower end by milling flat and in flat-shaped, it is referred to as flat-shaped portion, back-moving spring 15 is closely joined together with central rotating shaft 1 by described flat-shaped portion by a spring mountings 16 so that there is not diastema between both.
As shown in Figures 1 to 5, described spring mountings 16 is connected with back-moving spring 15, and described lower cover 5 is provided with the mounting post 17 with endoporus, and the endoporus of described mounting post 17 is fixing with the tail end of described back-moving spring 15 to be connected.Described spring mountings 16 is linked together with central rotating shaft by jackscrew with described back-moving spring 15.
As shown in Figures 1 to 5, the iron core 2 of motor is made to be maintained at the position at center by the back-moving spring 15 of a high-strength toughness, motor can be operated, during operating, back-moving spring 15 needs to keep out metal fatigue, this back-moving spring 15 can well be suitable for high-intensity oscillation thus be not easy metal fatigue, so that life of product is long.
As shown in Figures 1 to 5, described upper cover 5, lower cover 6 are respectively equipped with location bone 18, and described location bone 18 inserts described upper insulating support 9, lower insulation support 10 respectively.
As shown in Figures 1 to 5, described stator 8 is made by silicon steel material with iron core 2, and described upper insulating support 9 is made up of insulant with lower insulation support 10, and described N pole Magnet 3, S pole Magnet 4 are strip and be arranged in parallel with described iron core 2 respectively.
As shown in Figures 1 to 5, the center of described upper cover 5 and lower cover 6 is equipped with upper copper sheathing 11, lower copper sheathing 12, and it can be vertically connected with.
As shown in Figures 1 to 5, copper sheathing 11, lower copper sheathing 12 are installed at the inside recess 21 of this upper cover 5 and the inside recess 22 of lower cover 6.
As shown in Figures 1 to 5, the round inwall central authorities of described stator 8 are respectively provided with a spacer extended along its length.
During assembling, first the iron core 2 being equiped with N pole Magnet 3 and S pole Magnet 4 is set on central rotating shaft 1, upper copper sheathing 11 is loaded on upper cover 5 and lower cover 6 respectively with lower copper sheathing 12, and upper cover 5 and lower cover 6 install after being screwed, and put spring mountings 16 in the flat-shaped portion of central rotating shaft 1.Thereafter being fixed with jackscrew by spring mountings 16, back-moving spring 15 is linked together with central rotating shaft by its spring mountings 16 by jackscrew.The most just the novel high-frequency vibrating motor of the present invention is defined.
The operation principle of a kind of novel high-frequency vibrating motor that the present invention provides is:
During use, as shown in Figure 4, when device no power, owing to the torsion of back-moving spring 15 limits, the spacer of described stator 8 is corresponding to the line of centres of described N pole Magnet 3 and S pole Magnet 4, i.e. spacer is not located along the same line with N pole Magnet 3 or S pole Magnet 4.As it is shown in figure 5, when described winding 7 forward is passed through unidirectional current, according to Ampere's law (screw law), described stator 8 has polarity because of electromagnetic induction, as formed S pole.Owing to the Magnet same sex is repelled each other, there is a natural attraction between the sexes, and Magnet drives central rotating shaft 1 to rotate under magneticaction, makes N pole Magnet 3 deflect to the spacer conllinear with stator 8.And when being reversely passed through unidirectional current, described stator 8 forms N pole so that S pole Magnet 4 deflects to the spacer conllinear with stator 8.When being passed through positive and negative alternate unidirectional current persistently to winding 7, iron core 2 will in limited angle reciprocating rotary, thus drive central rotating shaft 1 reciprocating rotation.
A kind of novel high-frequency vibrating motor that the present invention provides has broken away from the defect of high cost using miniature bearing, by the low cost of copper sheathing and the advantage with less coefficient of friction, well instead of processing technique difficulty and the shortcoming of high cost of precision bearing；On the other hand in terms of friction factor, can well the performance of lifting motor.
A kind of novel high-frequency vibrating motor that the present invention provides, due to iron core 2, to rotate rotational angle little, and therefore, frequency of vibration is high, and frequency of vibration is stable, and energy consumption is low, life-span length, noise are little.
A kind of novel high-frequency vibrating motor that the present invention provides, can be widely applied to shake the products such as toothbrush, sound wave face washing device, masseur, sex toy.
Above content is to combine concrete preferred implementation further description made for the present invention, it is impossible to assert the present invention be embodied as be confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, it is also possible to make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (10)
- null1. a novel high-frequency vibrating motor，It is characterized in that: include central rotating shaft、Iron core、Back-moving spring、Winding and stator，Wherein，Described iron core is sheathed on described central rotating shaft，Described iron core is provided with magnet assemblies，Described magnet assemblies has two and is symmetrical arranged，Described magnet assemblies includes the central axis circumferentially spaced N pole Magnet along described iron core and S pole Magnet，The upper end of described iron core connects upper cover，The lower end of described iron core connects lower cover，Described back-moving spring is fixed on the tail end of described central rotating shaft by spring mountings，The upper end of described stator is connected with described upper cover，The lower end of described stator is connected with described lower cover，Iron core described in described stator surrounding，The upper end of described stator connects upper insulating support，The lower end of described stator connects lower insulation support，Described winding is wound on described upper insulating support、On lower insulation support.
- Novel high-frequency vibrating motor the most according to claim 1, it is characterized in that: described iron core is provided with central shaft hole, described central rotating shaft is located on described central shaft hole, the sidewall of described iron core is provided with four location and installation grooves, and described N pole Magnet, S pole Magnet are separately fixed in described location and installation groove.
- Novel high-frequency vibrating motor the most according to claim 1, it is characterised in that: two the N pole Magnet being positioned at described iron core both sides are symmetrical arranged, and two the S pole Magnet being positioned at described iron core both sides are symmetrical arranged.
- Novel high-frequency vibrating motor the most according to claim 1, it is characterized in that: described upper insulating support, lower insulation support are respectively fitted on described stator, described upper insulating support, lower insulation support close up setting, and described stator is wrapped up in the insulation of described upper insulating support, lower insulation support.
- Novel high-frequency vibrating motor the most according to claim 1, it is characterized in that: the upper end of described central rotating shaft is arranged with copper sheathing, the lower end of described central rotating shaft is arranged with lower copper sheathing, and described upper copper sheathing is positioned at the upper end of described iron core, and described lower copper sheathing is positioned at the lower end of described iron core.
- Novel high-frequency vibrating motor the most according to claim 1, it is characterised in that: described stator, upper cover, lower cover are installed by bolt, nut fastening.
- Novel high-frequency vibrating motor the most according to claim 1, it is characterised in that: the lower end of described central rotating shaft is provided with flat-shaped portion, and described back-moving spring is tightly placed in described flat-shaped portion.
- Novel high-frequency vibrating motor the most according to claim 7, it is characterized in that: described back-moving spring is to use the processed curved handware to " m " character form structure of high tenacity snap the line, being covered with the mounting post with endoporus under described, described back-moving spring two ends are inserted in the endoporus of described mounting post.
- Novel high-frequency vibrating motor the most according to claim 1, it is characterised in that: described upper cover, lower cover are respectively equipped with location bone, and described location bone inserts described upper insulating support, lower insulation support respectively.
- Novel high-frequency vibrating motor the most according to claim 1, it is characterized in that: described stator is made by silicon steel material with iron core, described N pole Magnet, S pole Magnet are strip and be arranged in parallel with described iron core respectively, and described upper cover, lower cover are axial restraint, circumference clearance fit respectively with described iron core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610315011.8A CN105827059A (en) | 2016-05-13 | 2016-05-13 | Micro high-frequency vibration motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610315011.8A CN105827059A (en) | 2016-05-13 | 2016-05-13 | Micro high-frequency vibration motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105827059A true CN105827059A (en) | 2016-08-03 |
Family
ID=56529395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610315011.8A Pending CN105827059A (en) | 2016-05-13 | 2016-05-13 | Micro high-frequency vibration motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105827059A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106953493A (en) * | 2017-04-13 | 2017-07-14 | 珠海三吉士健康科技有限公司 | A kind of brushless ac vibrates micro machine |
| CN108667205A (en) * | 2018-05-31 | 2018-10-16 | 广东雪洁日化用品有限公司 | A kind of electric toothbrush vibrating motor |
| CN108667255A (en) * | 2018-06-05 | 2018-10-16 | 三椒口腔健康股份有限公司 | A kind of electric toothbrush vibrating motor |
| CN108700884A (en) * | 2017-09-19 | 2018-10-23 | 深圳市大疆创新科技有限公司 | Unmanned plane localization method, device and electric tune, dynamical system, UAV system |
| CN109620030A (en) * | 2019-01-22 | 2019-04-16 | 美制科技（深圳）有限公司 | A kind of multi-functional face cleaning instrument |
| EP3771500A1 (en) | 2019-07-31 | 2021-02-03 | A O Ideas GmbH | Separator and method of operation |
| CN114268205A (en) * | 2021-11-08 | 2022-04-01 | 赫比（上海）家用电器产品有限公司 | Double-shaft sound wave motor |
| CN114421656A (en) * | 2021-12-31 | 2022-04-29 | 歌尔股份有限公司 | Rotating device, force feedback device and electronic equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201243252Y (en) * | 2008-06-30 | 2009-05-20 | 依必安派特风机(上海)有限公司 | Brushless DC motor |
| CN203674947U (en) * | 2013-11-25 | 2014-06-25 | 东莞市瑞科五金塑胶制品有限公司 | Minitype brushless direct current motor |
| CN203967899U (en) * | 2014-07-29 | 2014-11-26 | 朱忠磊 | Small-sized high-frequency vibration device |
| CN104518601A (en) * | 2013-09-26 | 2015-04-15 | 日本电产株式会社 | Inner-rotor motor |
-
2016
- 2016-05-13 CN CN201610315011.8A patent/CN105827059A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201243252Y (en) * | 2008-06-30 | 2009-05-20 | 依必安派特风机(上海)有限公司 | Brushless DC motor |
| CN104518601A (en) * | 2013-09-26 | 2015-04-15 | 日本电产株式会社 | Inner-rotor motor |
| CN203674947U (en) * | 2013-11-25 | 2014-06-25 | 东莞市瑞科五金塑胶制品有限公司 | Minitype brushless direct current motor |
| CN203967899U (en) * | 2014-07-29 | 2014-11-26 | 朱忠磊 | Small-sized high-frequency vibration device |
Non-Patent Citations (1)
| Title |
|---|
| 宋进桂: "《福特轿车修理手册》", 31 January 2000, 机械工业出版社 * |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106953493B (en) * | 2017-04-13 | 2023-06-20 | 珠海三吉士健康科技有限公司 | Brushless alternating current oscillation micro motor |
| CN106953493A (en) * | 2017-04-13 | 2017-07-14 | 珠海三吉士健康科技有限公司 | A kind of brushless ac vibrates micro machine |
| CN108700884A (en) * | 2017-09-19 | 2018-10-23 | 深圳市大疆创新科技有限公司 | Unmanned plane localization method, device and electric tune, dynamical system, UAV system |
| CN108667205A (en) * | 2018-05-31 | 2018-10-16 | 广东雪洁日化用品有限公司 | A kind of electric toothbrush vibrating motor |
| CN108667255A (en) * | 2018-06-05 | 2018-10-16 | 三椒口腔健康股份有限公司 | A kind of electric toothbrush vibrating motor |
| CN109620030A (en) * | 2019-01-22 | 2019-04-16 | 美制科技（深圳）有限公司 | A kind of multi-functional face cleaning instrument |
| WO2020151043A1 (en) * | 2019-01-22 | 2020-07-30 | 美制科技（深圳）有限公司 | Multi-functional face cleaning instrument |
| EP3771500A1 (en) | 2019-07-31 | 2021-02-03 | A O Ideas GmbH | Separator and method of operation |
| WO2021019087A1 (en) | 2019-07-31 | 2021-02-04 | A O Ideas Gmbh | Separating device and method of operation |
| US11786936B2 (en) | 2019-07-31 | 2023-10-17 | A O Ideas Gmbh | Separation device and method of operation |
| CN114268205A (en) * | 2021-11-08 | 2022-04-01 | 赫比（上海）家用电器产品有限公司 | Double-shaft sound wave motor |
| CN114268205B (en) * | 2021-11-08 | 2023-12-22 | 赫比（上海）家用电器产品有限公司 | Double-shaft acoustic motor |
| CN114421656A (en) * | 2021-12-31 | 2022-04-29 | 歌尔股份有限公司 | Rotating device, force feedback device and electronic equipment |
| CN114421656B (en) * | 2021-12-31 | 2023-09-29 | 歌尔股份有限公司 | Rotating device, force feedback device and electronic equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105827059A (en) | Micro high-frequency vibration motor | |
| CN104578668B (en) | Small-sized high-frequency vibration device | |
| CN107534378B (en) | Slotless brushless DC motor/actuator | |
| KR100726243B1 (en) | Vibration motor | |
| EP1100188A3 (en) | Electric machine with permanent magnet poles and controllable rotor flux | |
| JP7017577B2 (en) | Electric motors, electric motor systems and power generation systems | |
| EP1467472A3 (en) | Electric motor | |
| CN203967899U (en) | Small-sized high-frequency vibration device | |
| CN207442673U (en) | Motor | |
| WO2020063579A1 (en) | Vehicle seat and permanent magnet dc motor thereof | |
| KR101238855B1 (en) | Double air gap type generator | |
| CN106992617A (en) | A kind of high pulling torque magneto | |
| KR101230054B1 (en) | Slotted axial field permanent magnet synchronous generator for small wind turbine generator | |
| CN205595945U (en) | Miniature high -frequency vibration motor | |
| CN209170063U (en) | Small-sized high-frequency vibration device | |
| CN207021878U (en) | Toothbrush motor | |
| DE602007006684D1 (en) | ||
| CN110266170A (en) | A kind of vibrating motor of electric toothbrush | |
| CN106787591B (en) | A kind of swing type energy gathering apparatus | |
| CN205725187U (en) | A kind of dither motor | |
| CN106602833A (en) | High-frequency vibration motor of electric toothbrush | |
| CN108273715A (en) | Small-sized high-frequency vibration device | |
| JP2014057502A (en) | Power generating device suppressing cogging force | |
| KR20090038532A (en) | Power generating device and method for generating electricity in which coil winding unit rotates along the gap between N pole permanent magnet and S pole permanent magnet | |
| KR101246824B1 (en) | Bar type vibration motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160803 |