CN207204530U - A kind of linear motion device - Google Patents
A kind of linear motion device Download PDFInfo
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- CN207204530U CN207204530U CN201721171490.7U CN201721171490U CN207204530U CN 207204530 U CN207204530 U CN 207204530U CN 201721171490 U CN201721171490 U CN 201721171490U CN 207204530 U CN207204530 U CN 207204530U
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Abstract
The utility model is applied to linear motion device technical field, there is provided a kind of linear motion device, including：It is N number of to be sequentially connected in series and the coil of spaced setting, wherein, N is the integer more than or equal to 2；Inverse magnetic group, the yoke that inverse magnetic group includes the magnetic of the individual spaced settings of N+1 and is connected between adjacent two magnetic, the magnetic pole of adjacent two magnetics opposite side is identical, and coil is sheathed on inverse magnetic group and is arranged at intervals with inverse magnetic group.Linear motion device provided by the utility model is by setting at least two coils being serially connected and the inverse magnetic group formed being connected by multiple magnetics, by the way that more than two coils and driving force caused by magnetic field interaction in inverse magnetic group are overlapped mutually, driving force caused by the linear motion device can effectively be lifted, this only has not utilized positioned at the magnetic field at its both ends against magnetic group, and can be made full use of against the magnetic field at the magnetic both ends among magnetic group positioned at this, so as to reduce the waste of Magnetic Field of Magnetic Body.
Description
Technical field
The utility model belongs to linear motion device technical field, more particularly to a kind of linear motion device.
Background technology
Linear motion device is a kind of part that mechanical oscillation are converted electrical energy into by using the principle for producing electromagnetic force,
And it is typically mounted in electronic product to produce silent vibration prompting.With the Quick Extended of electronics market and more
Function increases to electronic product, requirement of the people to the silent vibration performance of electronic product also more and more higher.
In the prior art, linear motion device is usually provided with single coil and two magnetics, after single coil is powered
The driving force along magnetic axial direction is produced with two magnetic interactions, produces linear motion device of reciprocating vibration, but two
Magnetic field range caused by individual magnetic is narrow, and single coil and driving force caused by the magnetic field interaction of two magnetics are limited,
So that linear motion device is difficult to lift driving force.In order to lift the driving force of linear motion device, some are logical for prior art
Cross and multiple unicoils and multiple magnetic groups are set, wherein, the corresponding magnetic group of each unicoil, multiple magnetic group phases
Mutually interval, multiple unicoils are superimposed after being individually powered with the driving force of the magnetic field interaction of multiple magnetic groups to lift driving
Power, but the magnetic field at every group of magnetic both ends can not utilize so that and the magnetic field at multigroup magnetic group both ends is wasted.Therefore,
The problem of driving force is small and magnetic field waste is more be present in the linear motion device of prior art.
Utility model content
The utility model provides a kind of linear motion device, it is intended to which the linear motion device for solving prior art has driving
Power is small and magnetic field wastes the problem of more.
The utility model is achieved in that a kind of linear motion device, including：
It is N number of to be sequentially connected in series and the coil of spaced setting, wherein, N is the integer more than or equal to 2；
Inverse magnetic group, the inverse magnetic group include the magnetic of the individual spaced settings of N+1 and are connected to adjacent two magnetic
Yoke between property body, the magnetic pole of the adjacent two magnetic opposite side is identical, and the coil is sheathed on the inverse magnetic group simultaneously
It is arranged at intervals with the inverse magnetic group.
Preferably, N is equal to 2, and the magnetic includes spaced first magnetic, the second magnetic and the 3rd successively
Magnetic, the yoke include located at the first yoke between first magnetic and second magnetic and are located at
The second yoke between second magnetic and the 3rd magnetic, first magnetic and the second magnetic body phase
Identical to the magnetic pole of one end, second magnetic is identical with the magnetic pole of the 3rd magnetic opposite side.
Preferably, first magnetic and the second magnetic opposite side is S poles, second magnetic
Magnetic pole with the 3rd magnetic opposite side is N poles.
Preferably, N is the integer more than 2, and the quantity of the magnetic is N+1, and the quantity of the yoke is N number of.
Preferably, the magnetic is magnetite.
Preferably, N number of coil is formed by same wire rotating coiling.
Preferably, yoke described in each coil encircling and it is arranged at intervals with the yoke.
Preferably, the yoke and the gluing connection of the magnetic.
Linear motion device provided by the utility model is by setting at least two coils being serially connected and by multiple magnetic
The inverse magnetic group of body connection composition, with the magnetic field interaction of magnetic in inverse magnetic group and generation along magnetic after multiple coil electricities
The driving force of axial direction, by the way that driving force caused by magnetic field interaction in more than two coils and inverse magnetic group is mutually folded
Add, can effectively lift driving force caused by the linear motion device, and the magnetic in inverse magnetic group is arranged to multiple, increase
Magnetic field intensity and magnetic field range caused by inverse magnetic group, make driving force caused by the magnetic field interaction of coil and magnetic big.Together
When, connect to form inverse magnetic group by the way that multiple magnetics are passed sequentially through into yoke, this only has positioned at the magnetic field at its both ends not against magnetic group
It is utilized, and can be made full use of against the magnetic field at the magnetic both ends among magnetic group positioned at this, so as to reduces Magnetic Field of Magnetic Body
Waste.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model linear motion device；
Fig. 2 is the Distribution of Magnetic Field schematic diagram that Fig. 1 is the utility model linear motion device；
Fig. 3 is the structural representation of inverse magnetic group in the utility model linear motion device；
Fig. 4 is the structural representation of another embodiment of the utility model linear motion device；
Fig. 5 is the cross-sectional view of linear motion device shown in Fig. 4.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining
The utility model, it is not used to limit the utility model.
Linear motion device provided by the utility model is by setting at least two coils being serially connected and by multiple magnetic
The inverse magnetic group of body connection composition, with the magnetic field interaction of magnetic in inverse magnetic group and generation along magnetic after multiple coil electricities
The driving force of axial direction, by the way that driving force caused by magnetic field interaction in more than two coils and inverse magnetic group is mutually folded
Add, can effectively lift driving force caused by the linear motion device, and the magnetic in inverse magnetic group is arranged to multiple, increase
Magnetic field intensity and magnetic field range caused by inverse magnetic group, make driving force caused by the magnetic field interaction of coil and magnetic big.Together
When, connect to form inverse magnetic group by the way that multiple magnetics are passed sequentially through into yoke, this only has positioned at the magnetic field at its both ends not against magnetic group
It is utilized, and can be made full use of against the magnetic field at the magnetic both ends among magnetic group positioned at this, so as to reduces Magnetic Field of Magnetic Body
Waste.
Fig. 1-Fig. 3 is refer to, wherein, Fig. 1 is the structural representation of the utility model linear motion device；Fig. 2 is that Fig. 1 is
The Distribution of Magnetic Field schematic diagram of the utility model linear motion device；Fig. 3 is inverse magnetic group in the utility model linear motion device
Structural representation.The linear motion device include it is N number of be sequentially connected in series and the coil of spaced setting 1, wherein, N be more than etc.
In 2 integer；Inverse magnetic group 2, inverse magnetic group 2 include the magnetic 21 of the individual spaced settings of N+1 and are connected to adjacent two magnetic
Yoke 22 between body 21, the magnetic pole of the adjacent opposite side of two magnetic 21 is identical, coil 1 be sheathed on inverse magnetic group 2 and with inverse magnetic
Group 2 is arranged at intervals.
Linear motion device provided by the utility model is by setting at least two coils being serially connected and by multiple magnetic
The inverse magnetic group of body connection composition, coil and driving force caused by magnetic field interaction in inverse magnetic group are big, so as to effectively lift this
Driving force caused by linear motion device, and the waste of Magnetic Field of Magnetic Body can be reduced.
Referring once again to Fig. 2, in the utility model embodiment, N number of coil 1 is formed by wire rotating coiling, and N number of
Coil 1 is sequentially connected in series, and is made N number of coil 1 while is passed through alternating current and simultaneously switches off alternating current, and the electricity of adjacent two coil 1
Stream flow direction is opposite.Because adjacent two magnetic 21 is relative with magnetic pole, its magnetic strength mutual exclusion, the magnetic line of force between adjacent two magnetic 21
Extremely extruded, and conducted via yoke 22, and extremely strong Z-direction magnetic field is formed on the surface of yoke 22, according to Fleming left hand
Rule (Fleming ' s Left Hand Rule), the magnetic field of above-mentioned Z-direction produce reciprocation with the electric current of coil 1, produce
Along the driving force of the axial direction of magnetic 21, i.e., along the driving force of Y-direction.Wherein, the magnetic field that the adjacent surface of two yoke 22 is formed
In the opposite direction, the current direction of adjacent two coil 1 is on the contrary, according to left hand rule, driving force caused by adjacent two coil 1 is same
One direction, multiple coils 1 are overlapped with driving force caused by magnetic field interaction in inverse magnetic group 2, make coil 1 and magnetic
Driving force caused by 21 magnetic field interaction is big, so as to effectively lift driving force caused by the linear motion device.Meanwhile
Connect to form inverse magnetic group 2 by the way that multiple magnetics 21 are passed sequentially through into yoke 22, increase magnetic field intensity caused by inverse magnetic group 2 and
Magnetic field range, solve the magnetic field that prior art has every group of magnetic group both ends using multigroup magnetic group can not utilize and
The problem of causing more magnetic field to waste, inverse magnetic group 2 leads to multiple magnetics 21 successively in linear motion device of the present utility model
Yoke 22 to be crossed to connect, this only has against magnetic group 2, and the magnetic field for being located at its both ends is not utilized, and positioned at the owning against the centre of magnetic group 2
The magnetic field at the both ends of magnetic 21 can make full use of, and reduce unemployed magnetic field, so as to reduce the magnetic field of magnetic 21
Waste, when reaching the driving force of equal size, the usage quantity of magnetic 21 can be reduced, so as to reduce production cost and subtract
It is few to be taken up space, remain to realize the lifting of driving force in the confined space.
It can be that inverse magnetic group 2 can also be coil 1 that the axial driving force, which promotes the part of motion,.In actual applications, when
Inverse magnetic group 2 is fixed, the magnetic field interaction that multiple coils 1 are formed after being powered with yoke 22, the caused multiple lines of drive force
Circle 1 moves along the axial direction of magnetic 21, so as to realize linear oscillator.When coil 1 is fixed, multiple coils 1 produce magnetic after being powered
Field is simultaneously moved with the magnetic field interaction of the formation of yoke 22, caused drive force against magnetic group 2 along the axial direction of magnetic 21,
So as to realize linear oscillator, the part of this axial powered motion can be configured according to being actually needed.It is passed through when coil 1
When the sense of current changes, the direction of the driving force changes, so that the linear motion device is of reciprocating vibration.Wherein,
Driving force when being passed through forward current and reverse current is along the axial direction of magnetic 21, but be passed through caused by forward current
Driving force when driving force is with being passed through reverse current is in opposite direction.
As one embodiment of the present utility model, N number of coil 1 is formed by same wire rotating coiling, is easy to add
All coils 1 in the work linear motion device.
As one embodiment of the present utility model, each coil 1 is arranged at intervals around yoke 22 and with yoke 22, makes yoke
The surface of iron 22 forms magnetic field and passes completely through coil 1, so that coil 1 and driving force caused by magnetic field interaction are big.
As one embodiment of the present utility model, yoke 22 and 21 gluing connection of magnetic, be easy to connect yoke 22 with
Magnetic 21.
Please further in conjunction with referring to Figures 1 and 2, as one embodiment of the present utility model, N is equal to 2, the i.e. number of coil 1
Measure as two, coil 1 includes the coil 12 of first coil 11 and second, and the coil 12 of first coil 11 and second is connected and spaced
Set, magnetic 21 includes spaced first magnetic 211, the second magnetic 212 and the 3rd magnetic 213 successively；Yoke
Iron 22 is included located at the first yoke 221 between the first magnetic 211 and the second magnetic 212, located at the and of the second magnetic 212
The magnetic pole phase of the second yoke 222 between 3rd magnetic 213, the first magnetic 211 and the opposite side of the second magnetic 212
Together, the second magnetic 212 is identical with the magnetic pole of the opposite side of the 3rd magnetic 213.First coil 11 is set around the first yoke 221
Put, the second coil 12 is set around the second yoke 222.After the coil 12 of first coil 11 and second is passed through electric current.First coil 11
After being passed through alternating current with the second coil 12, the current direction of the coil 12 of first coil 11 and second is on the contrary, the surface of the first yoke 221
The magnetic direction that the magnetic direction of formation and the surface of the second yoke 222 are formed is on the contrary, the surface of 11 and first yoke of first coil 221
Driving force direction caused by the magnetic field that driving force caused by the magnetic field of formation and the second coil 12 and the surface of the second yoke 222 are formed
It is identical, by the way that caused driving force is overlapped, realize effective lifting of driving force.
As one embodiment of the present utility model, the first magnetic 211 and the opposite side of the second magnetic 212 are
The magnetic pole of S poles, the second magnetic 212 and the opposite side of the 3rd magnetic 213 is N poles.Certainly, the first magnetic 211 and
The opposite side of two magnetic 212 can also be N poles, and the magnetic pole of the second magnetic 212 and the opposite side of the 3rd magnetic 213 is S
Pole.
Incorporated by reference to reference picture 4 and Fig. 5, wherein, Fig. 4 is that the structure of another embodiment of the utility model linear motion device is shown
It is intended to；Fig. 5 is the cross-sectional view of linear motion device shown in Fig. 4.As another embodiment of the present utility model, N
For the integer more than 2, the quantity of magnetic 21 is N+1, and the quantity of yoke 22 is N number of, i.e., coil 1 has two or more, such as
For 3,4,5,6 etc., wherein N value can be configured according to being actually needed.Multiple coils 1 are sequentially connected in series simultaneously mutually
It is arranged at intervals, according to left hand rule, after multiple coils 1 are passed through alternating current, the magnetic direction phase of the adjacent surface of two yoke 22 formation
Instead, the current direction of adjacent two coil 1 is on the contrary, according to left hand rule, driving force caused by adjacent two coil 1 is same side
To multiple coils 1 are overlapped with driving force caused by the interaction in magnetic field in inverse magnetic group 2, make coil 1 and magnetic 21
Driving force is big caused by magnetic field interaction, so as to effectively lift driving force caused by the linear motion device.
As one embodiment of the present utility model, magnetic 21 is magnetite.Certainly, magnetic 21 can also use magnetic
Iron.
Linear motion device provided by the utility model is by setting at least two coils being serially connected and by multiple magnetic
The inverse magnetic group of body connection composition, with the magnetic field interaction of magnetic in inverse magnetic group and generation along magnetic after multiple coil electricities
The driving force of axial direction, by the way that driving force caused by magnetic field interaction in more than two coils and inverse magnetic group is mutually folded
Add, can effectively lift driving force caused by the linear motion device, and the magnetic in inverse magnetic group is arranged to multiple, increase
Magnetic field intensity and magnetic field range caused by inverse magnetic group, make driving force caused by the magnetic field interaction of coil and magnetic big.Together
When, connect to form inverse magnetic group by the way that multiple magnetics are passed sequentially through into yoke, this only has positioned at the magnetic field at its both ends not against magnetic group
It is utilized, and can be made full use of against the magnetic field at the magnetic both ends among magnetic group positioned at this, so as to reduces Magnetic Field of Magnetic Body
Waste.
Preferred embodiment of the present utility model is these are only, it is all in this practicality not to limit the utility model
All any modification, equivalent and improvement made within new spirit and principle etc., should be included in guarantor of the present utility model
Within the scope of shield.
Claims (8)
- A kind of 1. linear motion device, it is characterised in that including：It is N number of to be sequentially connected in series and the coil of spaced setting, wherein, N is the integer more than or equal to 2；Inverse magnetic group, the inverse magnetic group include the magnetic of the individual spaced settings of N+1 and are connected to adjacent two magnetic Between yoke, the magnetic pole of the adjacent two magnetic opposite side is identical, the coil be sheathed on the inverse magnetic group and with institute Inverse magnetic group is stated to be arranged at intervals.
- 2. linear motion device as claimed in claim 1, it is characterised in that N is equal to 2, and the magnetic includes being spaced successively The first magnetic, the second magnetic and the 3rd magnetic set, the yoke are included located at first magnetic and described The first yoke between second magnetic and the second yoke between second magnetic and the 3rd magnetic Iron, first magnetic is identical with the magnetic pole of the second magnetic opposite side, second magnetic and the described 3rd The magnetic pole of magnetic opposite side is identical.
- 3. linear motion device as claimed in claim 2, it is characterised in that first magnetic and second magnetic Opposite side is S poles, and the magnetic pole of second magnetic and the 3rd magnetic opposite side is N poles.
- 4. linear motion device as claimed in claim 1, it is characterised in that N is integer more than 2, the number of the magnetic Measure as N+1, the quantity of the yoke is N number of.
- 5. linear motion device as claimed in claim 1, it is characterised in that the magnetic is magnetite.
- 6. linear motion device as claimed in claim 1, it is characterised in that N number of coil is by same wire rotating Coiling is formed.
- 7. linear motion device as claimed in claim 1, it is characterised in that yoke described in each coil encircling and with institute State yoke interval setting.
- 8. linear motion device as claimed in claim 1, it is characterised in that the yoke and the gluing connection of the magnetic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721171490.7U CN207204530U (en) | 2017-09-13 | 2017-09-13 | A kind of linear motion device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721171490.7U CN207204530U (en) | 2017-09-13 | 2017-09-13 | A kind of linear motion device |
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| CN207204530U true CN207204530U (en) | 2018-04-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107597532A (en) * | 2017-09-13 | 2018-01-19 | 烟台金钢磁性材料有限公司 | A kind of linear motion device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107597532A (en) * | 2017-09-13 | 2018-01-19 | 烟台金钢磁性材料有限公司 | A kind of linear motion device |
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