CN108599514B - Linear vibration motor and vibratory equipment - Google Patents
Linear vibration motor and vibratory equipment Download PDFInfo
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- CN108599514B CN108599514B CN201810115051.7A CN201810115051A CN108599514B CN 108599514 B CN108599514 B CN 108599514B CN 201810115051 A CN201810115051 A CN 201810115051A CN 108599514 B CN108599514 B CN 108599514B
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- linear vibration
- vibration motor
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- coil block
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
- H02K33/02—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/34—Reciprocating, oscillating or vibrating parts of the magnetic circuit
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
- H02K33/16—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with polarised armatures moving in alternate directions by reversal or energisation of a single coil system
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The invention discloses linear vibration motor and vibratory equipments, are related to linear vibration motor field.The present invention provides a kind of linear vibration motor, including shell, FPC plate, coil block, vibrational structure and elastic component, FPC plate is set to enclosure interior, coil block, vibrational structure and elastic component are all set in enclosure interior, the both ends of elastic component are connected to vibrational structure and shell, coil block is connected to FPC plate, vibrational structure includes the first magnet, second magnet and vibrating body, second magnet is connected to the wherein side of the first magnet, coil block is protruded into inside the first magnet by the first magnet far from the side of the second magnet and is arranged with the first magnet interval, vibrating body is connected to the outside of the first magnet.A kind of vibratory equipment, which employs above-mentioned linear vibration motors.Linear vibration motor and vibratory equipment provided by the invention can improve vibratory output, guarantee that user obtains information in time.
Description
Technical field
The present invention relates to linear vibration motor fields, in particular to linear vibration motor and vibratory equipment.
Background technique
In the fast-developing information age, the transmitting of information has been the technology that nowadays society focuses on very much.In information
It is also common technology in such a way that information is transmitted in mechanical oscillation in the mode of transmitting.For example, on the mobile terminals such as mobile phone
It is equipped with vibrating motor, so that the vibration by vibrating motor transmits information to user, i.e., makes the use of mobile phone by vibration
Person has learnt that information is transferred to mobile phone, is convenient for user's timely awareness information.
In the prior art, the vibratory equipments such as now current most of mobile phones are all made of linear vibration motor as mechanical vibration
Dynamic vibration source, but the vibratory output for showing the mechanical oscillation that current most of linear vibration electric motors can generate is inadequate, occurs often
Even if the case where linear vibration electric motor generates vibration, and user does not receive vibration information yet, largely causes information
Delay, bring great inconvenience to user.
Summary of the invention
The purpose of the present invention is to provide a kind of linear vibration motor, it can improve what vibrational structure was generated with respect to coil block
Electromagnetic force, can improve the vibratory output of vibrational structure, timely receive information convenient for user.
Another object of the present invention is to provide a kind of vibratory equipments, can improve vibrational structure and first generate to coil block
Electromagnetic force, the vibratory output of vibrational structure can be improved, timely receive information convenient for user.
The present invention provides a kind of technical solution:
A kind of linear vibration motor, including shell, FPC plate, coil block, vibrational structure and elastic component, the FPC plate are set
It is placed in the enclosure interior, the coil block, vibrational structure and the elastic component are all set in the enclosure interior, the bullet
The both ends of property part are connected to the vibrational structure and the shell, and the coil block is connected to the FPC plate, the vibration
Dynamic structure includes the first magnet, the second magnet and vibrating body, and second magnet is connected to the wherein side of first magnet,
The coil block protruded into inside first magnet by first magnet far from the side of second magnet and with it is described
The setting of first magnet interval, the vibrating body are connected to the outside of first magnet.
Further, first magnet surrounds the first accommodating space, and it is empty that second magnet is located at first accommodating
Between wherein one end, the coil block protrudes into described first far from one end of second magnet by first accommodating space
Accommodating space simultaneously has spacing with the internal perisporium of first accommodating space.
Further, the area of second magnet is greater than the aperture of first accommodating space, and second magnetic
Body is covered in first accommodating space.
Further, the coil block and second magnet interval are arranged.
A kind of linear vibration motor, including shell, FPC plate, coil block, vibrational structure, magnetic yoke and elastic component, it is described
FPC plate is set to the enclosure interior, and the coil block, vibrational structure and the elastic component are all set in the shell
Portion, the both ends of the elastic component are connected to the vibrational structure and the shell, and the coil block is connected to the FPC
Plate, the vibrational structure include the first magnet, the second magnet and vibrating body, and second magnet is connected to first magnet
Wherein side, the coil block are protruded into inside first magnet by first magnet far from the side of second magnet
And be arranged with first magnet interval, the vibrating body is connected to the outside of first magnet.The magnetic yoke includes bottom
With enclose the portion of setting, the side enclosed the portion of setting and be connected to the bottom, and described enclose the portion of setting and the bottom surrounds second jointly
Accommodating space, first magnet and second magnet are all set in inside second accommodating space, and described second
Magnet fits in the bottom, and one end of the elastic component is connected to side of the bottom far from second magnet, described
Vibrating body is connected to the outside for enclosing the portion of setting.
Further, the internal perisporium for enclosing the portion of setting is fitted on the outside of first magnet.
Further, the coil block includes fixing axle, coil and pole piece, and one end of the fixing axle passes through described
FPC plate is connected to the shell, and the coil is sheathed on the fixing axle, and the coil is connected in the FPC plate, described
Pole piece is connected to the other end of the fixing axle.
Further, it is provided with plummer in the fixing axle, the plummer is around the fixing axle, the carrying
The side of platform fits in the shell, and one end of the coil is held in the other side of the plummer.
Further, the fixing axle includes installation protrusion, and the installation protrusion is set to the fixing axle far from described
The end face of shell, the pole piece is sheathed on the installation protrusion, and the side of the pole piece fits in the coil.
A kind of vibratory equipment, including linear vibration motor.The linear vibration motor includes shell, FPC plate, coil group
Part, vibrational structure and elastic component, the FPC plate are set to the enclosure interior, the coil block, vibrational structure and the bullet
Property part is all set in the enclosure interior, and the both ends of the elastic component are connected to the vibrational structure and the shell, institute
It states coil block and is connected to the FPC plate, the vibrational structure includes the first magnet, the second magnet and vibrating body, and described second
Magnet is connected to the wherein side of first magnet, and the coil block is by first magnet far from second magnet
Side is protruded into inside first magnet and is arranged with first magnet interval, and the vibrating body is connected to first magnet
Outside.
Compared with prior art, the beneficial effect of linear vibration motor and vibratory equipment provided by the invention is:
Linear vibration motor and vibratory equipment provided by the invention by being arranged the first magnet and the second magnetic inside housings
Two magnetic texures of body can generate jointly stronger magnetic field by the first magnet and the second magnet, just can be powered in coil block
When generate biggish electromagnetic force, just can improve the vibratory output of vibrational structure, can make generate mechanical oscillation be easier made
User experiences, and enables a user to the transmitting of timely awareness information, guarantees the transmission efficiency of information.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described.It should be appreciated that the following drawings illustrates only certain embodiments of the present invention, therefore it is not construed as pair
The restriction of range.It for those of ordinary skill in the art, without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the configuration schematic diagram for the linear vibration motor that the first embodiment of the present invention provides；
Fig. 2 is the cross-sectional view for the linear vibration motor that the first embodiment of the present invention provides；
Fig. 3 is the structural schematic diagram for the magnetic yoke that the first embodiment of the present invention provides；
Fig. 4 is the structural schematic diagram for the fixing axle that the first embodiment of the present invention provides；
Fig. 5 is the structural schematic diagram for the elastic component that the first embodiment of the present invention provides.
Icon: 10- linear vibration motor；100- shell；200-FPC plate；300- vibrational structure；310- vibrating body；320-
First magnet；The first accommodating space of 321-；The second magnet of 330-；340- magnetic yoke；The bottom 341-；342- encloses the portion of setting；343- second
Accommodating space；400- coil block；410- coil；420- pole piece；430- fixing axle；431- central spindle；432- plummer；433- peace
Dress protrusion；500- elastic component；510- inner ring；The outer ring 520-；The 530- elasticity arm of force.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described.Obviously, described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it is to be understood that, term " on ", "lower", "inner", "outside", "left", "right" etc. indicate
Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings or the invention product using when usually put
Orientation or positional relationship or the orientation or positional relationship that usually understands of those skilled in the art, be merely for convenience of retouching
It states the present invention and simplifies description, rather than the equipment of indication or suggestion meaning or element must have a particular orientation, with specific
Orientation construction and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " etc. are only used for distinguishing description, it is not understood to indicate or imply relatively important
Property.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, " setting ", " even
Connect " etc. terms shall be understood in a broad sense, for example, " connection " may be a fixed connection, may be a detachable connection, or integrally connect
It connects；It can be mechanical connection, be also possible to be electrically connected；It can be and be directly connected to, can also be indirectly connected with by intermediary, it can
To be the connection inside two elements.For the ordinary skill in the art, can understand as the case may be above-mentioned
The concrete meaning of term in the present invention.
With reference to the accompanying drawing, detailed description of the preferred embodiments.
First embodiment
Referring to Fig. 1, providing a kind of linear vibration motor 10 in the present embodiment, vibratory output can be improved, can guarantee makes
User timely receives mechanical oscillation information, guarantees the transmission efficiency of information.
Wherein, Fig. 1 and Fig. 2 are please referred to, linear vibration motor 10 includes shell 100, vibrational structure 300, coil group
Part 400, FPC plate 200 and elastic component 500.Vibrational structure 300, coil block 400, FPC plate 200 and elastic component 500 are all set in
Inside shell 100, i.e., provided by shell 100 to vibrational structure 300, coil block 400, FPC plate 200 and elastic component 500
Carrying provides place to the generation of mechanical oscillation.FPC plate 200 is connected to shell 100, and one end of coil block 400 is connected to
FPC plate 200, the other end of coil block 400 then protrude into the inside of vibrational structure 300, and coil block 400 and vibrational structure
Setting is spaced between 300.In addition, the both ends of elastic component 500 are connected to shell 100 and vibrational structure 300.When coil 410
When energization, the electromagnetic force generated by the magnetic field generated inside vibrational structure 300, so that vibrational structure 300 is in elastic component 500
The reciprocating motion for generating high speed under booster action relative to coil block 400, just can generate mechanical oscillation.
Further, vibrational structure 300 includes vibrating body 310, the first magnet 320 and the second magnet 330, the second magnet
330 are connected to one end of the first magnet 320, the other end of the one end of coil block 400 far from FPC plate 200 from the first magnet 320
It protrudes into inside the first magnet 320, and there is spacing between coil block 400 and the first magnet 320.Vibrating body 310 then connects
In the outside of the first magnet 320.That is, can be by the first magnet 320 and the second magnet 330 jointly in the inside of the first magnet 320
Stronger magnetic field is formed, biggish electromagnetic force can be generated when coil block 400 is powered, so that the first magnet 320 and the
Two magnets 330 can drive vibrating body 310 to generate biggish vibratory output, and the mechanical oscillation that vibrating body 310 can be made to generate are easier
It is perceived, just the transmitting of information can be enabled to be known in time by user, improve the transmission efficiency of information.
Wherein, the first magnet 320 surrounds the first accommodating space 321, the second magnet 330 be connected to the first magnet 320 and
Positioned at one end of the first accommodating space 321, coil block 400 then protrudes into the first accommodating by the other end of the first accommodating space 321
Inside space 321, and there is spacing between coil block 400 and the internal perisporium of the first accommodating space 321, so that coil group
When part 400 is powered, the first magnet 320 can the opposite generation of coil block 400 mechanical oscillation.In the present embodiment, the first magnet 320
It is cylindrical, and the first magnet 320 surrounds the first cylindrical accommodating space 321, and the first magnet 320 can be empty in the first accommodating
Between 321 inside form uniform and stable magnetic field.Coil block 400 protrudes into inside the first accommodating space 321, just can receive when being powered
To uniform power, guarantees that the first magnet 320 can move reciprocatingly under the action of uniform power, avoid vibrating body 310 and shell
100 internal perisporium generates excessive collision or friction.
Further, the area of the second magnet 330 is greater than the aperture of the first accommodating space 321, so that the second magnet 330
The first accommodating space 321 can be covered.So that forming uniform earth magnetism inside the first accommodating space 321 by the second magnet 330
.Uniform magnetic field and the second magnet 330 are formed inside the first accommodating space 321 by the first magnet 320 to hold first
321 inside form uniform magnetic field superposition formation and are equably superimposed magnetic field between emptying, so that coil block 400 is in superposition magnetic field
Portion can be by being powered so that vibrational structure 300 generates biggish magnetic field force, and the vibratory output of raising vibrational structure 300 just can make
The mechanical oscillation that vibrational structure 300 generates improve the efficiency of information transmitting convenient for user's reception.
In the present embodiment, the second magnet 330 is filled in cake, and the outer profile of the second magnet 330 and the first magnet 320
Section outer profile it is identical, enable the second magnet 330 covering make the second magnet simultaneously when the first accommodating space 321
A cylindrical surface is collectively formed in 330 outside and the outside of the first magnet 320, in order to enhance the first magnet 320 and the second magnetic
The connective stability of body 330.
Further, there is spacing between coil block 400 and the second magnet 330, avoid the second magnet 330 and coil group
Collision is generated between part 400, guarantees vibrational structure 300 when steadily moving back and forth, and guarantees that mechanical oscillation generate steady
It is qualitative.
In addition, please referring to Fig. 2 and Fig. 3, in the present embodiment, linear vibration motor 10 further includes magnetic yoke 340,
In, the first magnet 320 and the second magnet 330 are all set in the inside of magnetic yoke 340, and vibrating body 310 is connected to magnetic yoke 340
Outside, one end of elastic component 500 are connected to the outside of magnetic yoke 340.Wherein, by setting the first magnet 320 and the second magnet 330
It is placed in inside magnetic yoke 340, the magnetic field that first magnet 320 and the second magnet 330 generate is gathered in magnetic yoke by magnetic yoke 340
Inside 340, magnetic field can be gathered in inside the first accommodating space 321, it, can be into one to enhance the magnetic density in superposition magnetic field
Step improves the electromagnetic force that coil block 400 generates vibrational structure 300, improves the vibratory output of vibrational structure 300.
Magnetic yoke 340 includes bottom 341 and encloses the portion of setting 342, encloses the side that the portion of setting 342 is connected to bottom 341, and enclose the portion of setting
342 and bottom 341 surround the second accommodating space 343 jointly, the first magnet 320 and the second magnet 330 are all set in the second accommodating
Inside space 343.And the second magnet 330 fits in bottom 341, in order to which the magnetic field energy that the second magnet 330 generates passes through magnetic
Yoke 340 is assembled.One end of elastic component 500 is connected to side of the bottom 341 far from the second magnet 330, and vibrating body 310, which is connected to, to be enclosed
If the outside in portion 342.
In addition, the outside of the first magnet 320 fits in the internal perisporium for enclosing the portion of setting 342, and in the present embodiment, the first magnetic
The one end of body 320 far from the second magnet 330 is equal with the one end of the portion of setting 342 far from bottom 341 is enclosed, and enables magnetic yoke 340 by
The magnetic field that one magnet 320 and the second magnet 330 generate jointly gathers inside the first accommodating space 321, intensifier coil component 400
Magnetic density inside the first locating accommodating space 321 just can enhance what vibrational structure 300 can be generated by superposition magnetic field
Electromagnetic force improves the vibratory output of vibrational structure 300.In addition, the both ends of vibrating body 310 respectively with the both ends flush of magnetic yoke 340,
The flexible of elastic component 500 is influenced to avoid vibrating body 310, elastic component 500 is steadily moved back and forth.
Please continue to refer to Fig. 1 and Fig. 2, coil block 400 includes fixing axle 430, coil 410 and pole piece 420, fixing axle
430 one end, which is connected to, is connected to shell 100 across FPC plate 200, and coil 410 is sheathed on fixing axle 430, and coil 410 in
FPC plate 200 connects, in order to 410 conduction of coil in electrical transmission to coil 410, will be made to make the by FPC plate 200
One magnet 320 and the second magnet 330 can generate electromagnetic force and generate reciprocating motion.Pole piece 420 is set to the another of fixing axle 430
End is assembled by the magnetic field that pole piece 420 can generate coil 410 when coil 410 is powered, coil 410 is held first
321 inside form the magnetic field of stable and uniform between emptying, and the first magnet 320 and the second magnet 330 is enabled to generate stable and uniform
Electromagnetic force, the vibration that just vibrational structure 300 can be made stable.
In addition, please referring to Fig. 2 and Fig. 4, plummer 432 and installation protrusion 433 are additionally provided in fixing axle 430.Its
Middle plummer 432 is around fixing axle 430, and the side of plummer 432 fits in shell 100, and one end of coil 410 supports
In the other side of plummer 432.Installation protrusion 433 is then set to end face of the fixing axle 430 far from shell 100, and pole piece 420 is arranged
In installation protrusion 433, and the side of pole piece 420 fits in coil 410.
Specifically, in the present embodiment, fixing axle 430 includes central spindle 431, plummer 432 and installation protrusion 433.Central spindle
431, which pass through FPC plate 200, is connected to shell 100, wherein central spindle 431 is connected to there are many kinds of the modes of shell 100, is welded and viscous
Connecing can implement, and in the present embodiment, the through-hole (figure is not marked) for connecting central spindle 431, central spindle 431 be offered on shell 100
It protrudes into through-hole and is fastened in through-hole to realize that central spindle 431 is connected to shell 100.At this point, plummer 432 around central spindle
431, and the side of plummer 432 fits in shell 100, and the thickness of plummer 432 is identical as the thickness of FPC plate 200.
One end of coil 410 is held in plummer 432, and coil 410 is connect with FPC plate 200, and FPC plate 200 is drawn electric energy
It is directed at coil 410, coil 410 is made to be powered.Installation protrusion 433 is then set to end face of the central spindle 431 far from shell 100, pole piece 420
It is then sheathed in installation protrusion 433, and the thickness for installing protrusion 433 is identical in the thickness of pole piece 420, is avoided that installation protrusion
433 stretching pole pieces 420 cause vibrational structure 300 to collide the second magnet 330 when generating mechanical oscillation.In addition, the foreign steamer of pole piece 420
It is wide identical as the outer profile in 410 section of coil, so that pole piece 420 when fitting in coil 410, can make the outer rim of pole piece 420
A cylindrical surface is collectively formed with the outer rim of coil 410.
Wherein, in the present embodiment, central spindle 431, plummer 432 and installation protrusion 433 are integrally formed.Pass through central spindle 431
It is connected to shell 100 by through-hole, enhancing fixing axle 430 is connected to the connective stability of shell 100.In addition, passing through plummer
432 carrying coils 410, are avoided that extruding FPC plate 200 between coil 410, extend the service life of FPC plate 200, and be avoided that
Circuit on FPC plate 200 is affected.By the way that installation protrusion 433 is arranged in the end face of central spindle 431, the company of pole piece 420 can be enhanced
Stability is connect, guarantees that pole piece 420 can steadily carry out poly- magnetic.
Referring to Fig. 5, elastic component 500 includes inner ring 510, outer ring 520 and multiple elastic arm of forces 530, multiple elasticity arm of forces
530 are arranged at intervals between inner ring 510 and outer ring 520, and multiple elastic arm of forces 530 twist extend.Wherein, inner ring
510 are connected to the bottom 341 of magnetic yoke 340 far from the side of the second magnet 330, and outer ring 520 is connected to shell 100.In coil 410
When energization, by the elastic force of the elastic arm of force 530 vibrational structure 300 can steadily be vibrated in stroke.
Linear vibration motor 10 provided in this embodiment inside shell 100 by being arranged the first magnet 320 and the second magnetic
330 two magnetic texures of body can generate jointly stronger magnetic field by the first magnet 320 and the second magnet 330, just can be in coil
Component 400 generates biggish electromagnetic force when being powered, and just can improve the vibratory output of vibrational structure 300, can make the machinery generated
Vibration is easier to be felt by the user, and enables a user to the transmitting of timely awareness information, guarantees the transmission efficiency of information.
In addition, by the way that the second magnet 330 and the first magnet 320 to be set to inside magnetic yoke 340, to pass through the magnet accumulating cap of magnetic yoke 340,
The electromagnetic force that the first magnet 320 and the second magnet 330 generate is further enhanced, the vibration of vibrational structure 300 just can be further enhanced
Momentum.Coil 410 and pole piece 420 are connected by setting fixing axle 430, guarantees the connective stability of coil 410 and pole piece 420,
Just it can be powered by coil 410 and form stable magnetic field, just vibrational structure 300 can be made to generate stable mechanical oscillation.
Second embodiment
A kind of vibratory equipment is provided in the present embodiment, which employs the linear vibration motors provided in first embodiment
10, the electromagnetic force that vibrational structure 300 first generates coil block 400 can be improved, the vibratory output of vibrational structure 300 can be improved,
Information is timely received convenient for user.
Wherein, vibratory equipment can be the mobile terminals such as mobile phone or tablet computer.Linear vibration motor 10 is then set to
Inside the mobile terminals such as mobile phone or tablet computer.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of linear vibration motor, which is characterized in that including shell, FPC plate, coil block, vibrational structure and elastic component, institute
It states FPC plate and is set to the enclosure interior, the coil block, vibrational structure and the elastic component are all set in the shell
Portion, the both ends of the elastic component are connected to the vibrational structure and the shell, and the coil block is connected to the FPC
Plate, the vibrational structure include the first magnet, the second magnet and vibrating body, and second magnet is connected to first magnet
Wherein side, the coil block are protruded into inside first magnet by first magnet far from the side of second magnet
And be arranged with first magnet interval, the vibrating body is connected to the outside of first magnet, and the elastic component includes interior
Circle, outer ring and multiple elastic arm of forces, multiple elastic arm of forces are arranged at intervals between the inner ring and the outer ring.
2. linear vibration motor according to claim 1, which is characterized in that first magnet surrounds the first accommodating sky
Between, second magnet is located at wherein one end of first accommodating space, and the coil block is by first accommodating space
Between one end far from second magnet is protruded into first accommodating space and is had with the internal perisporium of first accommodating space
Away from.
3. linear vibration motor according to claim 2, which is characterized in that the area of second magnet is greater than described the
The aperture of one accommodating space, and second magnet is covered in first accommodating space.
4. a kind of linear vibration motor, which is characterized in that including shell, FPC plate, coil block, vibrational structure, magnetic yoke and elasticity
Part, the FPC plate are set to the enclosure interior, and the coil block, vibrational structure and the elastic component are all set in described
Enclosure interior, the both ends of the elastic component are connected to the vibrational structure and the shell, and the coil block is connected to
The FPC plate, the vibrational structure include the first magnet, the second magnet and vibrating body, and second magnet is connected to described the
The wherein side of one magnet, the coil block protrude into described first far from the side of second magnet by first magnet
It is arranged inside magnet and with first magnet interval, the vibrating body is connected to the outside of first magnet, the magnetic yoke
Including bottom and enclose the portion of setting, the side enclosed the portion of setting and be connected to the bottom, and described enclose the portion of setting and the bottom is common
The second accommodating space is surrounded, first magnet and second magnet are all set in inside second accommodating space, and
Second magnet fits in the bottom, and one end of the elastic component is connected to one of the bottom far from second magnet
Side, the vibrating body are connected to the outside for enclosing the portion of setting, and the elastic component includes inner ring, outer ring and multiple elastic arm of forces, more
A elastic arm of force is arranged at intervals between the inner ring and the outer ring.
5. linear vibration motor according to claim 4, which is characterized in that fitted on the outside of first magnet described
Enclose the internal perisporium in the portion of setting.
6. linear vibration motor according to claim 4, which is characterized in that the coil block includes fixing axle, coil
And pole piece, one end of the fixing axle pass through the FPC plate and are connected to the shell, the coil is sheathed on the fixing axle,
And the coil is connected in the FPC plate, and the pole piece is connected to the other end of the fixing axle.
7. linear vibration motor according to claim 6, which is characterized in that be provided with plummer, institute in the fixing axle
Plummer is stated around the fixing axle, the side of the plummer fits in the shell, and one end of the coil is held in
The other side of the plummer.
8. linear vibration motor according to claim 6, which is characterized in that the fixing axle includes installation protrusion, described
Installation protrusion is set to end face of the fixing axle far from the shell, and the pole piece is sheathed on the installation protrusion, and institute
The side for stating pole piece fits in the coil.
9. a kind of vibratory equipment, which is characterized in that including the linear vibration motor as described in any one of claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810115051.7A CN108599514B (en) | 2018-02-05 | 2018-02-05 | Linear vibration motor and vibratory equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810115051.7A CN108599514B (en) | 2018-02-05 | 2018-02-05 | Linear vibration motor and vibratory equipment |
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| Publication Number | Publication Date |
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| CN108599514A CN108599514A (en) | 2018-09-28 |
| CN108599514B true CN108599514B (en) | 2019-11-05 |
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| CN201810115051.7A Active CN108599514B (en) | 2018-02-05 | 2018-02-05 | Linear vibration motor and vibratory equipment |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209313677U (en) * | 2018-12-27 | 2019-08-27 | 瑞声科技（南京）有限公司 | Linear vibration electric motor |
| WO2021000184A1 (en) * | 2019-06-30 | 2021-01-07 | 瑞声声学科技(深圳)有限公司 | Vibration motor |
| CN113495236A (en) * | 2020-04-07 | 2021-10-12 | 中国航天科工飞航技术研究院（中国航天海鹰机电技术研究院） | Superconducting magnet vibration test system with background magnetic field |
| CN113258823A (en) * | 2021-05-17 | 2021-08-13 | 维沃移动通信有限公司 | Vibration motor and electronic device |
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| CN102916554A (en) * | 2011-08-03 | 2013-02-06 | 三星电机株式会社 | Linear vibration device |
| CN106712436A (en) * | 2016-11-30 | 2017-05-24 | 歌尔股份有限公司 | Linear vibrating motor |
| CN106817006A (en) * | 2017-01-20 | 2017-06-09 | 瑞声科技(新加坡)有限公司 | Vibrating motor |
| CN207801717U (en) * | 2018-02-05 | 2018-08-31 | 四川安和精密电子电器有限公司 | Linear vibration motor and vibratory equipment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3375233B2 (en) * | 1995-04-21 | 2003-02-10 | シーアイ化成株式会社 | Vibration actuator for portable equipment |
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2018
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102916554A (en) * | 2011-08-03 | 2013-02-06 | 三星电机株式会社 | Linear vibration device |
| CN106712436A (en) * | 2016-11-30 | 2017-05-24 | 歌尔股份有限公司 | Linear vibrating motor |
| CN106817006A (en) * | 2017-01-20 | 2017-06-09 | 瑞声科技(新加坡)有限公司 | Vibrating motor |
| CN207801717U (en) * | 2018-02-05 | 2018-08-31 | 四川安和精密电子电器有限公司 | Linear vibration motor and vibratory equipment |
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| CN108599514A (en) | 2018-09-28 |
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Denomination of invention: Linear vibration motor and vibration equipment Effective date of registration: 20210623 Granted publication date: 20191105 Pledgee: Agricultural Bank of China Limited by Share Ltd. Mianyang Fucheng branch Pledgor: SICHUAN AWA SEIMITSU ELECTRIC Co.,Ltd. Registration number: Y2021980005174 |
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