CN105790492B - Inertial excitation motor - Google Patents
Inertial excitation motor Download PDFInfo
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- CN105790492B CN105790492B CN201610265371.1A CN201610265371A CN105790492B CN 105790492 B CN105790492 B CN 105790492B CN 201610265371 A CN201610265371 A CN 201610265371A CN 105790492 B CN105790492 B CN 105790492B
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- stator
- vibrational system
- excitation motor
- inertial excitation
- shell
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- 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
- H02K7/061—Means for converting reciprocating motion into rotary motion or vice versa using rotary unbalanced masses
- H02K7/063—Means for converting reciprocating motion into rotary motion or vice versa using rotary unbalanced masses integrally combined with motor parts, e.g. motors with eccentric rotors
Abstract
The present invention provides a kind of inertial excitation motor, including shell, both ends are separately fixed at the shaft on shell, and is set in shaft and accommodates vibrational system inside the shell and stator system；Vibrational system includes the eccentric massblock of sector structure and the permanent magnet that is embedded inside eccentric massblock, and stator system includes the stator support of circular configuration and the stator coil that is embedded inside stator support；Wherein, eccentric massblock and the circle centre position of stator support are provided with the corresponding through-hole in position, shaft penetrated through via holes fix vibrational system and stator system inside the shell.The direction of excitation of inertial excitation motor can be arbitrarily adjusted using foregoing invention, the accuracy of manufacture is high, and motion control is more accurate.
Description
Technical field
The present invention relates to consumer electronics technical fields, more specifically, are related to a kind of portable inertial excitation motor.
Background technology
With the development of VR technologies (Virtual Reality, virtual reality technology), electronic product exciting motor requirements energy
The reciprocal exciting force on specific direction is enough provided, existing solution mostly uses linear motor, and linear motor is capable of providing list
The reciprocal exciting force in direction still exists centainly in the accuracy of manufacture, the flexibility used and exciting force size performance
Limitation, controllability is poor, and the scope of application is small.
Therefore, there is an urgent need for other schemes to replace existing linear motor or to simulate the excitation structure of linear motor, with effective
Reciprocal exciting force is provided, meets currently the needs of feeding back to VR vibration equipments.
Invention content
In view of the above problems, the object of the present invention is to provide a kind of inertial excitation motors, to solve to use linear horse at present
Up to existing manufacture difficulty height, the problems such as flexibility is poor, and exciting force size is difficult to control.
A kind of inertial excitation motor is provided according to the present invention, including shell, both ends are separately fixed at the shaft on shell, with
And it is set in shaft and accommodates vibrational system inside the shell and stator system；Wherein, vibrational system includes sector structure
Eccentric massblock and the permanent magnet being embedded inside eccentric massblock, stator system include the stator support of circular configuration and are embedded
Stator coil inside stator support；Wherein, that the circle centre position of stator support is provided with position in eccentric massblock is corresponding
Through-hole, shaft penetrated through via holes fix vibrational system and stator system inside the shell.
Furthermore it is preferred that scheme be that vibrational system, stator system and shaft form one group of exciting component；Also, in shell
Inside contain at least two groups exciting component.
Furthermore it is preferred that scheme be to be provided with electromagnet between two groups of exciting components being provided adjacent to, pass through electromagnet
The initial position or stationary state of vibrational system are positioned；Alternatively, being set between two groups of exciting components being provided adjacent to
It is equipped with Elastic buckle, the initial position or stationary state of vibrational system are positioned by Elastic buckle.
Furthermore it is preferred that scheme be further include control chip and with the electric connection board that is connected of control chip, electric connection board
It fixes on the shell, stator coil is connected with electric connection board；Wherein, it is closed by controlling chip controls stator coil, by closing
Stator coil after conjunction positions the initial position or stationary state of vibrational system.
Furthermore it is preferred that scheme be, shell include adaptation connection upper casing and lower casing, be respectively set on upper casing and lower casing
There are the corresponding bearing block in position, the both ends of shaft to be separately fixed in corresponding bearing block；Also, shaft and inertial excitation motor
Z-direction it is parallel.
Furthermore it is preferred that scheme be further include feedback transducer, feedback transducer be used to obtain vibrational system position and
Rotary speed information, and the position of acquisition and rotary speed information are fed back into control chip.
Furthermore it is preferred that scheme be to commutate to the DC signal being passed through in stator coil, by control chip obtain
Take position and the rotary speed information of vibrational system；In addition, forcing vibrational system stop motion by the DC signal after commutation.
Furthermore it is preferred that scheme be, by controlling the phase difference between the vibrational system that is provided adjacent to of chip adjustment, with control
The direction of excitation of inertial excitation motor processed.
Furthermore it is preferred that scheme be, eccentric massblock be tungsten steel block, nickel steel block or nickel tungsten block；Eccentric massblock
Radius is equal with the radius value of stator support.
Furthermore it is preferred that scheme be that the permanent magnet of one piece of sector structure, permanent magnet edge are at least set on eccentric massblock
The Z-direction of inertial excitation motor magnetizes, and the magnetizing direction of each permanent magnet is consistent；The axial direction and permanent magnetism of stator coil
The magnetizing direction of iron is parallel.
It can by the way of twin shaft/multiaxis combination inertia-powered using above-mentioned inertial excitation motor according to the present invention
Same inertial excitation motor is set to generate multidirectional exciting force；Furthermore it is possible to the phase difference between effectively eliminating vibrational system, more
Easily realize that the synchronization of vibrational system, the accuracy of manufacture and control accuracy can meet the demand of the currently vibrational feedback to VR equipment.
To the accomplishment of the foregoing and related purposes, one or more aspects of the present invention include be particularly described below and
The feature particularly pointed out in claim.Certain illustrative aspects of the invention is described in detail in the following description and the annexed drawings.
However, these aspects indicate only usable some of the various ways in the principles of the present invention.In addition, of the invention
It is intended to include all such aspects and their equivalent.
Description of the drawings
By reference to the following description in conjunction with the accompanying drawings and the contents of the claims, and with to the present invention more comprehensively
Understand, other objects and results of the present invention will be more clearly understood and understood.In the accompanying drawings：
Fig. 1 is the exploded view according to the inertial excitation motor of the embodiment of the present invention；
Fig. 2 is the internal structure schematic diagram according to the inertial excitation motor of the embodiment of the present invention；
Fig. 3 is the vibrational system structural schematic diagram according to the embodiment of the present invention；
Fig. 4 is the stator system structural schematic diagram according to the embodiment of the present invention；
Fig. 5 is the overall structure diagram according to the inertial excitation motor of the embodiment of the present invention；
Fig. 6 is the principle schematic according to the inertial excitation motor of the embodiment of the present invention.
Reference numeral therein includes：Upper casing 1, lower casing 2, eccentric massblock 3, permanent magnet 4, shaft 5, bearing block 6, bearing
Seat 6 ', stator support 7, stator coil 8, electric connection board 9.
Identical label indicates similar or corresponding feature or function in all the appended drawings.
Specific implementation mode
In the following description, for purposes of illustration, it in order to provide the comprehensive understanding to one or more embodiments, explains
Many details are stated.It may be evident, however, that these embodiments can also be realized without these specific details.
In other examples, one or more embodiments for ease of description, well known structure and equipment are shown in block form an.
Used " eccentric massblock " may also be referred to as " eccentricity balance-weight block " in the description of following specific implementation modes,
It refers both to and the permanent magnetism ferropexy of generation vibration is to reinforce the high quality of vibration balancing, high desnity metal block is made with increasing vibration force
The vibration of electronic product is stronger.
For detailed description of the present invention inertial excitation motor configuration, below with reference to attached drawing to specific embodiments of the present invention
It is described in detail.
Fig. 1 and Fig. 2 respectively illustrates the decomposition texture and internal structure of inertial excitation motor according to the ... of the embodiment of the present invention；
Fig. 3 shows the overall structure of perceptual exciting motor according to the ... of the embodiment of the present invention.
As Fig. 1 to Fig. 3 jointly shown in, the inertial excitation motor of the embodiment of the present invention, including shell, both ends are separately fixed at
Shaft 5 on shell, and be set in shaft 5 and accommodate vibrational system inside the shell and stator system；Wherein, vibration system
System includes the permanent magnet 4 of the eccentric massblock 3 of sector structure and several sector structures being embedded in eccentric massblock 3, inclined
Groove compatible with the permanent magnet 4 being embedded is uniformly distributed on heart mass block 3, each permanent magnet 4 is embedded in corresponding groove.It is fixed
Subsystem includes the stator support 7 of circular configuration, and is embedded the stator coil 8 inside stator support 7, in stator support 7
On be also evenly distributed with several grooves, the stator coil 8 of sector structure is embedded in corresponding groove.
In addition, the circle centre position in eccentric massblock 3 and stator support 7 is respectively arranged with the corresponding through-hole in position or more, turn
Axis 5 penetrates eccentric massblock 3 and the through-hole of stator support 7 fixes vibrational system and stator system inside the shell.Wherein, outside
The bearing block 6,6 ' of fixed rotating shaft 5 is provided in shell, the both ends limit of shaft 5 passes through bearing block 6,6 ' in bearing block 6,6 '
Shaft 5 is set to keep vertical state.
The inertial excitation motor of the present invention, shell includes the upper casing 1 and lower casing 2 of adaptation connection, on upper casing 1 and lower casing 2
It is respectively arranged with the corresponding bearing block 6,6 ' in position, two bearings seat 6,6 ' is corresponding up and down in the Z-direction of inertial excitation motor
The both ends of setting, shaft 5 are separately fixed in corresponding bearing block 6,6 ', also, the Z axis side of shaft 5 and inertial excitation motor
To parallel.Wherein, upper casing 1 is gap structure, and lower casing 2 cooperatively forms the cavity of receiving vibrational system and stator system with upper casing 1,
Electric connection board 9 is fixed on lower casing 2, and stator coil 8 is connected with electric connection board 9, and inertial excitation horse is realized by electric connection board 9
Up to the conducting of peripheral circuits.
In another embodiment of the present invention, inertial excitation motor further include control chip and with control chip
The electric connection board 9 of conducting, electric connection board 9 are fixed on the shell, and stator coil is connected with electric connection board 9；Wherein, by controlling core
Piece controls stator coil 8 and is closed, can be by the stator coil after closure to the initial position or stationary state of vibrational system
It is positioned.
Specifically, Fig. 4 shows vibrational system structure according to the ... of the embodiment of the present invention.
As shown in figure 4, the vibrational system of the embodiment of the present invention, includes the eccentric massblock 3 of sector structure, eccentric massblock
3 arc can be adjusted according to product and production requirement, be provided on eccentric massblock 3 several suitable with 4 phase of permanent magnet
The groove matched, permanent magnet 4 are fixed on by modes such as gluing or laser spot weldings in corresponding groove, wherein permanent magnet 4 is also set
It is set to sector structure, and the magnetizing direction of each permanent magnet 4 is consistent, and is that Z-direction magnetizes, two block permanent magnets of adjacent setting
The polarity of 4 abutting end is on the contrary, the center location in eccentric massblock 3 is arranged in the through-hole across shaft 5.
Specifically, Fig. 5 shows stator system structure according to the ... of the embodiment of the present invention.
As shown in figure 5, the stator system of the embodiment of the present invention is fixed on by electric connection board 9 on lower casing 2, stator system packet
It includes stator support 7 and is embedded several stator coils 8 on stator support 7, stator coil 8 is connected with electric connection board 9, extraneous
Control circuit or control chip are by electric connection board 9 by current signal transfer to stator coil 8.Wherein, in eccentric massblock
On be provided with the permanent magnet of at least one piece sector structure, permanent magnet magnetizes along the Z-direction of inertial excitation motor, stator coil 8
Axial direction it is parallel with the magnetizing direction of permanent magnet.
Wherein, it for convenience of the fair line of multiple stator coils 8, and carries out positioning with the pad on electric connection board 9 and is connected, it can be with
It sets stator support 7 to plastic frame structure, the card slot of housing stator coil 8 is uniformly arranged on stator support 7.Also,
Through-hole corresponding with the through-hole of eccentric massblock is set in the center location of stator support 7, to pass through shaft 5 and its both ends
Bearing block 6,6 ' common cooperation, by vibrational system and stator system be fixed on shell formation cavity in.
In above-mentioned inertial excitation motor, vibrational system, stator system and the corresponding shaft 5 for passing through the two collectively form
One group of exciting component in inertial excitation motor of the invention, at least contains one group of exciting component in shell, below will be with two groups
Exciting component is described in detail for specific embodiment.
In the specific embodiment of the present invention, electromagnetism is provided between two groups of exciting components being provided adjacent to
Iron positions the initial position or stationary state of vibrational system by electromagnet；Alternatively, swashing in two groups be provided adjacent to
It shakes and Elastic buckle is set between component, the initial position or stationary state of vibrational system are positioned by Elastic buckle.
Wherein, if exciting component is provided only with one group, electromagnet or Elastic buckle can be arranged the one of this group of exciting component
Side, you can play identical positioning action, in the case of being provided at least two groups exciting component, two groups of adjacent setting swash
The component that shakes can share a positioning component (electromagnet or Elastic buckle).
It should be noted that the positioning component of the present invention is not limited to electromagnet or Elastic buckle, it can be to vibration system
Electricity, magnetic or the mechanical part that system is positioned.For example, by by the lead short circuit in electronic coil, make stator coil
Closing coil is formed, (faradic magnetic field force/Ampere force on motion conduct always lead by resistance/obstruction according to Lenz's law
The movement of body), you can the initial position or stationary state of vibrational system are positioned by the stator coil after closure,
When product is not used or is static, vibrational system can be positioned, avoid carrying vibrational system in transfer process and voluntarily transport
It is dynamic.
In the inertial excitation motor of the present invention, feedback transducer can also be set, obtained and vibrated by feedback transducer
The position of system and rotary speed information, and the position of acquisition and rotary speed information are fed back into control chip, control chip can be improved
To the control accuracy of vibrational system.In addition it is also possible to by stator coil after closure or detection across the magnetic of electronic coil
The modes such as flux obtain position and the rotary speed information of vibrational system.
It, can be in addition, to prevent the inertial excitation motor lifting time (inertial excitation motor starting and dwell time) longer
Apply high voltage to it in inertial excitation motor starting, and the circuit that reversal connection is connected with stator coil in stopping or brake
Or add negative voltage.For example, by commutating to the DC signal in stator coil, vibrational system can be forced short
Stop motion in time, in addition, control chip can also obtain the position of vibrational system by the state of the stator coil after commutation
It sets and rotary speed information.
It is found that it is mutually powered-down to be integrated with driving, positioning, feedback processing of inertial excitation motor etc. in the control chip of the present invention
Road and algorithm can control entire inertial excitation by controlling the phase difference between the vibrational system that chip adjustment is provided adjacent to
The direction of excitation of motor is used alternatingly stator coil in control chip and dynamic adjusts the voltage swing being applied in electronic coil
Control under, can arbitrarily adjust the size of the direction of excitation and exciting force of inertial excitation motor.
Fig. 6 shows the theory structure of inertial excitation motor according to the ... of the embodiment of the present invention.
As shown in fig. 6, being provided with two groups as embodiment using exciting component, make the phase difference between two eccentric massblocks
It it is 108 degree, two eccentric massblocks are rotated backward with rotating speed, and according to the synthesis principle of rational mechanics, two eccentric massblocks exist
The centrifugal force size that is generated in the X-direction of inertial excitation motor is identical, direction on the contrary, to cancel out each other in the X-axis direction,
And reciprocal effect resultant force is generated in the Y direction of inertial excitation motor.Wherein, m1 and m2 indicate eccentric massblock respectively,
Curved arrow indicates the rotation direction of eccentric massblock, and the straight arrows being located on eccentric massblock indicate corresponding eccentric mass
The Impact direction of block.It is found that by controlling the phase difference between the vibrational system that chip adjustment is provided adjacent to, inertia can be controlled
The direction of excitation of exciting motor, to make inertial excitation motor generate the exciting force on any direction.
In another embodiment of the present invention, eccentric massblock can be tungsten steel block, nickel steel block or nickel tungsten
The contour density-metal material of block is made, and to increase the vibration force of vibrational system, keeps the vibration of electronic product stronger, eccentric mass
The radius of block is equal with the radius value of stator support or is correspondingly arranged.
It should be noted that in the inertial excitation motor of the present invention, various ways may be used between each vibration component
It synchronizes, three kinds of methods of synchronization described below：
(1) stator coil that reverse charging may be used carries out condition monitoring, and adjusts vibration in real time by controlling chip
System and stator system, to realize the synchronization between vibrational system；
(2) common circuit may be used between each vibrational system, the mode of magnetic circuit synchronizes；
(3) forced contact method may be used between each vibrational system to synchronize.
In addition, to reduce electric quantity consumption, realizes electricity saving and energy saving, vibrational system work can be made in a manner of analog mechanical brush
Make that stator coil progress short circuit is not used in engineering.
By the above embodiment as can be seen that the inertial excitation motor of the present invention has the following advantages：
It 1, can be by between control chip adjusting vibrational system by the way of twin shaft/multiaxis combination inertia-powered
Phase difference controls direction of excitation, can realize the multidirectional vibration of inertial excitation motor.
2, the size and Orientation of exciting force can be adjusted by the combination of multiple exciting components, variation combining form compared with
It is more.
3, each exciting group is eliminated by initial alignment component (stator coil etc. after electromagnet, Elastic buckle or closure)
Phase difference between the exciting force that part provides, the more easily synchronization between exciting component；Inertial excitation motor it is static or
When break-off, the rotation of vibrational system is controlled by the electronic coil after closure.
4, setting feedback monitor component (stator coil etc. after feedback transducer or current signal commutation), it is more convenient
Control of the chip to stator system and vibrational system is controlled, control accuracy is improved.
5, the installation manufacture difficulty of inertial excitation motor can be effectively reduced using shaft type inertial excitation component, improve product
The accuracy of manufacture.
Describe inertial excitation motor according to the present invention in an illustrative manner above with reference to attached drawing.But this field skill
Art personnel should be appreciated that the inertial excitation motor proposed for aforementioned present invention, can also not depart from the content of present invention
On the basis of make various improvement.Therefore, protection scope of the present invention should be determined by the content of appended claims.
Claims (8)
1. a kind of inertial excitation motor, including shell, both ends are separately fixed at the shaft on the shell, and are set in described
In shaft and the vibrational system and stator system that are housed in the shell；Wherein,
The vibrational system includes eccentric massblock and the permanent magnet being embedded inside the eccentric massblock, the institute of sector structure
State the stator support and the stator coil being embedded inside the stator support that stator system includes circular configuration；Wherein,
The eccentric massblock and the circle centre position of the stator support are provided with the corresponding through-hole in position, the shaft penetrates institute
It states through-hole the vibrational system and the stator system are fixed in the shell；
The vibrational system, stator system and shaft form one group of exciting component；Also,
Exciting component described at least two groups is contained in the shell；
By controlling the phase difference between the vibrational system that chip adjustment is provided adjacent to, to control swashing for the inertial excitation motor
Shake direction.
2. inertial excitation motor as described in claim 1, which is characterized in that
It is provided with electromagnet between two groups of exciting components being provided adjacent to, by the electromagnet to the first of the vibrational system
Beginning position or stationary state positioned；Alternatively,
It is provided with Elastic buckle between two groups of exciting components being provided adjacent to, by Elastic buckle to the first of the vibrational system
Beginning position or stationary state positioned.
3. inertial excitation motor as described in claim 1, which is characterized in that
Further include the electric connection board for controlling chip and being connected with the control chip, the electric connection board is fixed on the shell
On, the stator coil is connected with the electric connection board；Wherein,
It is closed by stator coil described in the control chip controls, by the stator coil after closure to the vibrational system
Initial position or stationary state are positioned.
4. inertial excitation motor as described in claim 1, which is characterized in that
The shell includes the upper casing and lower casing of adaptation connection, and position correspondence is respectively arranged on the upper casing and the lower casing
Bearing block, the both ends of the shaft are separately fixed in corresponding bearing block；Also,
The shaft is parallel with the Z-direction of inertial excitation motor.
5. inertial excitation motor as claimed in claim 3, which is characterized in that
Further include feedback transducer, the feedback transducer is used to obtain position and the rotary speed information of the vibrational system, and will
The position of the vibrational system obtained and rotary speed information feed back to the control chip.
6. inertial excitation motor as described in claim 1, which is characterized in that
It commutates to the DC signal being passed through in the stator coil, the vibrational system is obtained by the control chip
Position and rotary speed information；In addition,
The vibrational system stop motion is forced by the DC signal after commutation.
7. inertial excitation motor as described in claim 1, which is characterized in that
The eccentric massblock is tungsten steel block, nickel steel block or nickel tungsten block；
The radius of the eccentric massblock is equal with the radius value of the stator support.
8. inertial excitation motor as described in claim 1, which is characterized in that
The permanent magnet of one piece of sector structure is at least set on the eccentric massblock, and the permanent magnet is along the inertial excitation horse
The Z-direction reached magnetizes, and the magnetizing direction of each permanent magnet is consistent；
The axial direction of the stator coil is parallel with the magnetizing direction of the permanent magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610265371.1A CN105790492B (en) | 2016-04-25 | 2016-04-25 | Inertial excitation motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610265371.1A CN105790492B (en) | 2016-04-25 | 2016-04-25 | Inertial excitation motor |
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| CN105790492A CN105790492A (en) | 2016-07-20 |
| CN105790492B true CN105790492B (en) | 2018-07-27 |
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| CN201610265371.1A Active CN105790492B (en) | 2016-04-25 | 2016-04-25 | Inertial excitation motor |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108144832A (en) * | 2016-12-05 | 2018-06-12 | 南京圣威惠众机电技术有限公司 | A kind of rotation vibrator of quick adjusting exciting force |
| EP4014300A4 (en) | 2019-08-16 | 2023-08-23 | Ghsp, Inc. | Circular force generator having a self-contained positioning sensor assembly |
| CN112688483B (en) * | 2020-12-23 | 2022-03-01 | 维沃移动通信有限公司 | Vibration motor and electronic device |
| CN116742995B (en) * | 2023-06-08 | 2024-03-08 | 海南行者新材料科技有限公司 | Intelligent control system of circular high-power excitation motor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2002219415A (en) * | 2001-01-24 | 2002-08-06 | Shicoh Eng Co Ltd | Flat vibration motor |
| CN101026323A (en) * | 2003-07-16 | 2007-08-29 | 冯鲁民 | Asymmetric magnetic field 2/2 pole reluctance 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 |
| KR101406207B1 (en) * | 2014-04-04 | 2014-06-16 | 영백씨엠 주식회사 | Brushless direct current vibrational motor |
| KR20160015001A (en) * | 2014-07-30 | 2016-02-12 | 삼성전기주식회사 | Flat type vibration motor |
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