CN206727861U - A kind of linear vibration electric motor - Google Patents
A kind of linear vibration electric motor Download PDFInfo
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- CN206727861U CN206727861U CN201720368801.2U CN201720368801U CN206727861U CN 206727861 U CN206727861 U CN 206727861U CN 201720368801 U CN201720368801 U CN 201720368801U CN 206727861 U CN206727861 U CN 206727861U
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Abstract
The utility model provides a kind of linear vibration electric motor, including the magnetic conductive shell with receiving space, the mass being suspended on by elastic component in receiving space, be fixedly installed on mass can hot-wire coil, and in receiving space, the magnet that is fixed on magnetic conductive shell, and coil is separated by a certain distance setting with magnet.Linear vibration electric motor provided by the utility model, in motor in use, be not in not only that magnet is inhaled extremely in the situation of magnetic conductive shell, and magnetic conductive shell effectively reduces the leakage field phenomenon of motor, the magnetic line of force of motor internal can be avoided to radiate caused magnetic field to outside motor through not magnetic conductive shell to spread, be advantageous to strengthen the magnetic field intensity in motor, improve magnetic field utilization rate, increase oscillator amplitude.
Description
Technical field
It the utility model is related to linear vibration electric motor technical field, and in particular to a kind of horizontal vibration type micro motor.
Background technology
The portable consumer electronics product such as mobile phone, tablet personal computer, handheld device is just more and more favored by consumers, on
State electronic product typically can do feedback of the information with vibration signal, for example the vibration of the call reminding, handheld device of mobile phone is anti-
Feedback etc., vibration prompting function is into vibrating motor in the most important application of consumer electronics field.
The coil that the existing general use of linear vibration electric motor can be powered is as stator, the peace that will be suspended in electric machine casing
Mass equipped with magnet steel is as oscillator, and after coil indirect current, the magnetic field force induced influence of magnet steel is of reciprocating vibration, this linearly to shake
The housing of dynamic motor is generally non-magnet_conductible material and is made, if because housing magnetic conduction, the magnet steel of suspension is easily by magnetic conduction shell
The influence of body, deviate the normal equilibrium position of oscillator, under attraction serious situation, magnet steel " will be inhaled dead " on housing,
Cause vibration failur；But non-magnetic electric machine casing, can cause motor flux leakage, i.e. the magnetic line of force caused by coil passes through housing outside
Diffusion, reduces the magnetic field intensity in housing, causes magnetic field utilization rate to decline, and influences the vibrating effect of oscillator.
Utility model content
Therefore, the technical problems to be solved in the utility model is to overcome linear vibration electric motor magnetic field utilization in the prior art
Rate is low, the defects of oscillator vibration effect difference, so as to provide a kind of utilization rate for being advantageous to improve magnetic field, strengthens oscillator vibration effect
Linear vibration electric motor.
The technical solution adopted in the utility model is as follows：
A kind of linear vibration electric motor, including：Magnetic conductive shell, there is receiving space；Mass, institute is suspended on by elastic component
State in receiving space；Magnet, in the receiving space, it is fixed on the magnetic conductive shell；Coil, it is fixedly installed on described
On mass, and setting is separated by a certain distance with the magnet, electromagnetic action during energization between the coil and the magnet
Electromagnetic force is produced, drives the coil of reciprocating vibration along electromagnetic force direction with the mass.
The magnetic conductive shell includes non-magnetic housing, and the magnetic conduction located at the magnet backwards to the coil side
Plate.
The magnetic conductive board is fixedly installed on the top plate or bottom plate of the housing, and the magnet is fixedly installed on the magnetic conduction
On plate.
The magnetic conductive shell includes housing, and the top plate or bottom plate of the housing are supported for permeability magnetic material, and the magnet is fixed
It is arranged on the top plate or bottom plate.
The housing is made up of permeability magnetic material, and the magnet is fixedly installed on the top plate or bottom plate of the housing.
The magnet includes several magnet steel, and several described magnet steel are located at the same side of the coil.
Accommodating chamber is provided with the mass, the coil is located in the accommodating chamber.
Technical solutions of the utility model, have the following advantages that：
1. linear vibration electric motor provided by the utility model, including the magnetic conductive shell with receiving space, pass through elastic component
The mass being suspended in receiving space, be fixedly installed on mass can hot-wire coil, and in receiving space, it is solid
The magnet being scheduled on magnetic conductive shell, and coil is separated by a certain distance setting with magnet, when coil indirect current, coil and magnet
Between electromagnetic action produce electromagnetic force, magnet, which is fixed on magnetic conductive shell, to be moved, and driving coil is by magnetic fields
Under, driving coil drives action direction synchronous reciprocating vibration of the mass along electromagnetic force；Due to hot-wire coil setting as oscillator
Put so that motor is not in not only that magnet is inhaled extremely in the situation of magnetic conductive shell, and magnetic conductive shell is effective in use
Reduce the leakage field phenomenon of motor, the magnetic line of force of motor internal can be avoided to be led through not magnetic conductive shell to outside motor radiation
The magnetic field diffusion of cause, is advantageous to strengthen the magnetic field intensity in motor, improves magnetic field utilization rate, increase oscillator amplitude.
2. linear vibration electric motor provided by the utility model, magnetic conductive shell includes non-magnetic housing, and positioned at magnet
Magnetic conductive board backwards to coil side, i.e. magnet are arranged between coil and magnetic conductive board, and the magnet magnetic line of force is concentrated on inside magnetic conductive board
And return, be advantageous to strengthen the magnetic field intensity in housing, there is provided the magnetic field utilization rate of motor.
3. linear vibration electric motor provided by the utility model, magnetic conductive shell includes housing, and the top plate or bottom plate of housing are to lead
Magnetic material is made, and magnet is fixedly installed on top plate or bottom plate, advantageously reduces the fuselage thickness of motor, it is small to comply with electronic product
The development trend of type.
4. linear vibration electric motor provided by the utility model, housing are all made up of permeability magnetic material, facilitate machine-shaping, together
When, it is more favorable to magnetic field concentration further improving the utilization rate in magnetic field in housing.
5. linear vibration electric motor provided by the utility model, magnet includes several magnet steel, and several magnet steel are located at line
The same side of circle, the both sides compared to coil respectively set the vibrating motor of several magnet steel, only set in the side of coil
The vibrating motor of several magnet steel, although weaker on vibrating effect, it is advantageous to the fuselage thickness for further reducing motor,
, can be lightening by product suitable for the product not high to motor oscillating effect requirements.
6. linear vibration electric motor provided by the utility model, accommodating chamber is provided with mass, coil is arranged on accommodating chamber
In so that the self space of mass can be fully used, and be more beneficial for reducing the fuselage thickness of motor.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the explosive view of the linear vibration electric motor provided in embodiment one of the present utility model；
Fig. 2 is the sectional view of the linear vibration electric motor shown in Fig. 1；
Fig. 3 is the explosive view of the linear vibration electric motor provided in embodiment two of the present utility model；
Fig. 4 is the sectional view of the linear vibration electric motor shown in Fig. 3.
Description of reference numerals：
1- housings；2- elastic components；3- magnet steel；4- masses；5- coils；6- accommodating chambers；7- magnetic conductive boards；8- top plates；9- bottoms
Plate；10- side plates.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is the utility model part of the embodiment, rather than whole embodiments.Based on the embodiment in the utility model, sheet
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instruction such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only
Described for the ease of description the utility model and simplifying, rather than instruction or imply signified device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
In addition, as long as technical characteristic involved in the utility model different embodiments disclosed below is each other
Conflict can is not formed to be combined with each other.
Embodiment one
Fig. 1 is the explosive view of the linear vibration electric motor provided in embodiment one of the present utility model；Fig. 2 is shown in Fig. 1
Linear vibration electric motor sectional view.As depicted in figs. 1 and 2, the linear vibration electric motor that the present embodiment provides, including with receiving
The magnetic conductive shell in space, the mass 4 being suspended on by elastic component 2 in receiving space, is fixedly installed on leading on mass 4
Electric coil 5, and in receiving space, the magnet that is fixed on magnetic conductive shell, and coil 5 is separated by a certain distance with magnet
Set, when the indirect current of coil 5, the electromagnetic action between coil 5 and magnet produces electromagnetic force, and magnet is fixed on magnetic conductive shell
It will not be moved, for driving coil 5 under by magnetic fields, driving coil drives action direction of the mass 4 along electromagnetic force synchronous
It is of reciprocating vibration；Due to setting of the hot-wire coil 5 as oscillator so that motor is not in not only that magnet is inhaled in use
Extremely in the situation of magnetic conductive shell, and magnetic conductive shell effectively reduces the leakage field phenomenon of motor, can avoid the magnetic of motor internal
The line of force radiates caused magnetic field to outside motor through not magnetic conductive shell and spread, and is advantageous to strengthen the magnetic field intensity in motor,
Magnetic field utilization rate is improved, increases oscillator amplitude.
Magnetic conductive shell includes housing 1, and housing 1 includes top plate 8, bottom plate 9 and the connection top plate 8 that permeability magnetic material is stamped to form
With the side plate 10 of bottom plate 9, several magnet steel 3 are fixed on the bottom plate 9 of housing 1, and mass 4 divides along the both ends on its direction of vibration
Not She You an elastic component 2, mass 4 is flatly hung in housing 1 by two elastic components 2, and elastic component 2 is V-type or c-type
Spring leaf, accommodating chamber 6 is formed on mass 4, coil 5 is in accommodating chamber 6, and housing 1 is directly made up of permeability magnetic material, favorably
In the thickness of housing 1 for reducing motor, facilitate the machine-shaping of housing 1, meanwhile, it is more favorable to enter magnetic field concentration in housing 1
One step improves the utilization rate in magnetic field.
Housing 1 includes top plate 8, bottom plate 9 and the two blocks of side plates 10 of split shaping, facilitates the handling of motor, is advantageous to drop
Low operation difficulty, improve installation accuracy.
Permeability magnetic material is alloy of the iron containing cobalt or nickel.
As the alternative embodiments of embodiment one, several magnet steel are fixed on the top plate of housing.
As the alternative embodiments of embodiment one, magnetic conductive shell includes housing, and housing includes top plate, bottom plate and company
The side plate of top plate and bottom plate is connect, the top plate of wherein housing is made up of permeability magnetic material, and several magnet steel are fixed on the top plate of housing.
As the alternative embodiments of embodiment one, magnetic conductive shell includes housing, and housing includes top plate, bottom plate and company
The side plate of top plate and bottom plate is connect, its bottom plate is made up of permeability magnetic material, and several magnet steel are fixed on the bottom plate of housing.
As the alternative embodiments of embodiment one, permeability magnetic material is the metal of other high permeabilities, such as containing leading
Mild steel or high-carbon steel of magnetic material etc..
As the alternative embodiments of embodiment one, permeability magnetic material is stainless steel.
As the alternative embodiments of embodiment one, top plate and the side plate of housing are integrally formed, this set motor zero
Part is few.
As the alternative embodiments of embodiment one, bottom plate and the side plate of housing are integrally formed.
Embodiment two
A kind of substitute mode of the present embodiment as embodiment one, there is provided a kind of linear vibration electric motor, the vibrating motor with
The difference of embodiment one is：
As shown in Figures 3 and 4, magnetic conductive shell includes non-magnetic housing 1, and housing 1 includes top plate 8, bottom plate 9, connection top plate 8
The bottom of housing 1 is fixedly installed on the side plate 10 of bottom plate 9, and the magnetic conductive board 7 located at magnet backwards to the side of coil 5, magnetic conductive board 7
On plate 9, several magnet steel 3 are fixedly installed on magnetic conductive board 7, i.e., magnet is arranged between coil 5 and magnetic conductive board 7, magnet magnetic force
Line concentrates on the inside of magnetic conductive board 7 and returned, and is advantageous to strengthen the magnetic field intensity in housing 1, there is provided the magnetic field utilization rate of motor.
As the alternative embodiments of embodiment two, magnetic conductive board is arranged on the top plate of housing, and several magnet steel are fixed
It is arranged on magnetic conductive board.
Obviously, above-described embodiment is only intended to clearly illustrate example, and is not the restriction to embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or
Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or
Among the protection domain that variation is created still in the utility model.
Claims (7)
- A kind of 1. linear vibration electric motor, it is characterised in that including：Magnetic conductive shell, there is receiving space；Mass (4), it is suspended on by elastic component (2) in the receiving space；Magnet, in the receiving space, it is fixed on the magnetic conductive shell；Coil (5), it is fixedly installed on the mass (4), and setting is separated by a certain distance with the magnet, described in during energization Electromagnetic action between coil (5) and the magnet produces electromagnetic force, drives the coil (5) and the mass (4) along electricity Magneticaction direction is of reciprocating vibration.
- 2. linear vibration electric motor according to claim 1, it is characterised in that the magnetic conductive shell includes non-magnetic housing , and the magnetic conductive board (7) located at the magnet backwards to the coil (5) side (1).
- 3. linear vibration electric motor according to claim 2, it is characterised in that the magnetic conductive board (7) is fixedly installed on described On the top plate (8) or bottom plate (9) of housing (1), the magnet is fixedly installed on the magnetic conductive board (7).
- 4. linear vibration electric motor according to claim 1, it is characterised in that the magnetic conductive shell includes housing (1), described The top plate (8) or bottom plate (9) of housing (1) are made up of permeability magnetic material, and the magnet is fixedly installed on the top plate (8) or bottom plate (9) on.
- 5. linear vibration electric motor according to claim 4, it is characterised in that the housing (1) is made up of permeability magnetic material, institute Magnet is stated to be fixedly installed on the top plate (8) or bottom plate (9) of the housing (1).
- 6. according to the linear vibration electric motor any one of claim 1-5, it is characterised in that the magnet includes several Magnet steel (3), several described magnet steel (3) are located at the same side of the coil (5).
- 7. linear vibration electric motor according to claim 6, it is characterised in that be provided with accommodating chamber on the mass (4) (6), the coil (5) is located in the accommodating chamber (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720368801.2U CN206727861U (en) | 2017-04-10 | 2017-04-10 | A kind of linear vibration electric motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720368801.2U CN206727861U (en) | 2017-04-10 | 2017-04-10 | A kind of linear vibration electric motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206727861U true CN206727861U (en) | 2017-12-08 |
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ID=60504210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720368801.2U Active CN206727861U (en) | 2017-04-10 | 2017-04-10 | A kind of linear vibration electric motor |
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| Country | Link |
|---|---|
| CN (1) | CN206727861U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109149894A (en) * | 2018-09-10 | 2019-01-04 | 浙江省东阳市东磁诚基电子有限公司 | A kind of Novel horizontal vibrating motor with damping system |
| CN110048553A (en) * | 2019-04-24 | 2019-07-23 | 瑞声精密制造科技(常州)有限公司 | Electromagnetic switching device |
| CN111725965A (en) * | 2020-07-01 | 2020-09-29 | 浙江省东阳市东磁诚基电子有限公司 | Non-contact vibration damping linear vibration motor and implementation method thereof |
-
2017
- 2017-04-10 CN CN201720368801.2U patent/CN206727861U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109149894A (en) * | 2018-09-10 | 2019-01-04 | 浙江省东阳市东磁诚基电子有限公司 | A kind of Novel horizontal vibrating motor with damping system |
| CN110048553A (en) * | 2019-04-24 | 2019-07-23 | 瑞声精密制造科技(常州)有限公司 | Electromagnetic switching device |
| WO2020215378A1 (en) * | 2019-04-24 | 2020-10-29 | 常州市瑞泰光电有限公司 | Electromagnetic switch device |
| CN111725965A (en) * | 2020-07-01 | 2020-09-29 | 浙江省东阳市东磁诚基电子有限公司 | Non-contact vibration damping linear vibration motor and implementation method thereof |
| CN111725965B (en) * | 2020-07-01 | 2022-08-23 | 浙江省东阳市东磁诚基电子有限公司 | Non-contact vibration damping linear vibration motor and implementation method thereof |
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