CN107026552A - Electromagnetic driver - Google Patents
Electromagnetic driver Download PDFInfo
- Publication number
- CN107026552A CN107026552A CN201610075175.8A CN201610075175A CN107026552A CN 107026552 A CN107026552 A CN 107026552A CN 201610075175 A CN201610075175 A CN 201610075175A CN 107026552 A CN107026552 A CN 107026552A
- Authority
- CN
- China
- Prior art keywords
- permanent magnet
- mover
- electromagnetic driver
- upper lid
- stator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
A kind of electromagnetic driver, including mover and stator, the stator includes tubular shell, the coil and permanent magnet being fixedly installed in the housing, the housing includes base and upper lid, the inner side of the upper lid forms a through hole, and the mover is contained in the through hole and relative with the coil in which can slide axially, and the polarised direction of the permanent magnet is radial polarization, the base is magnetic conductive part and axially clamps the permanent magnet with the upper lid, to prevent the electromagnetic driver leakage field.
Description
Technical field
It is more particularly to a kind of to eliminate the electricity of leakage field the present invention relates to a kind of electromagnetic driver
Magnetic driven device.
Background technology
Electromagnetic driver is generally made up of magnet coil and permanent magnet combination, wherein, using to electricity
Magnetic coil energization produces magnetic force and the attraction of permanent magnet causes mover to move.
Permanent magnet in existing electromagnetic driver is combined into magnet ring setting for some arc magnetic stripes
And exposed to one end of electromagnetic driver, so that the magnetic circuit of electromagnetic driver has a common boundary in magnetic stripe
Leakage field phenomenon occurs for place.
The content of the invention
In view of this, present invention offer is a kind of can eliminate the electromagnetic driver of leakage field.
On the one hand, the electromagnetic driver that can eliminate leakage field that the present invention is provided includes mover and fixed
Son, the stator includes tubular shell, the coil and permanent magnet being fixedly installed in the housing,
The housing includes base and upper lid, and the inner side of the upper lid forms a through hole, and the mover can
It is contained in sliding axially in the through hole and, the pole of the permanent magnet relative with the coil
Change direction is radial polarization, and the base is magnetic conductive part with the upper lid and axially clamps institute
State permanent magnet.
It is immobilizated in it is preferred that the permanent magnet is a magnet ring between the base and the upper lid.
It is preferred that the permanent magnet is the magnet ring that multiple arcs magnetic stripe is spliced, correspondence is described
Between magnetic stripe at the position in gap, the upper lid is provided with screw, and some screws pass through the screw
The upper lid and the permanent magnet are locked on the base by the gap between the magnetic stripe.
It is preferred that the coil is annular, it is wound on a bobbin, the bobbin is insulation
Material is made.
It is preferred that the permanent magnet carries out axial poles after electromagnetic driver assembling is completed
Change.
It is preferred that the electromagnetic driver also includes a protection ring, the protection ring is sheathed on institute
Stating the outside of permanent magnet is used to protect the permanent magnet.
It is preferred that the stator is provided with a stopper slot, the mover is provided with fin, described spacing
The axial width of groove is more than the thickness of the fin vertically, and the fin is caught in the stopper slot
So as to limit the stroke that slides axially of the mover.
It is preferred that the base of the stator includes the bottom plate of annular, the outer side edges from the bottom plate
Outer wall and raised up from the inside edge vertical base plate of bottom plate that edge vertical base plate is upwardly extended
Flange, it is parallel with bottom plate with respect to top plate and the inner side edge from the top plate that the upper lid includes one
Edge vertical base plate extend downwardly and with the inwall of outside wall parallel, the inner wall forms described logical
Hole, the bottom of the inwall is relative with the head clearance of flange and forms the stopper slot.
It is preferred that flexible member is additionally provided with the mover to be used to provide elastic force to the mover.
On the other hand, the electromagnetic driver that can eliminate leakage field that provides of the present invention include mover and
Stator, the stator includes housing, magnetic conductive part, the coil being fixedly installed in the housing
And permanent magnet, the housing is with a through hole, and one end of the mover is stretched into the through hole simultaneously
Relative with the coil, the polarised direction of the permanent magnet is radial polarization, the magnetic conductive part
Axially clamp the permanent magnet and form magnetic loop with the mover.
Compared to prior art, electromagnetic driver of the present invention utilizes the permanent magnet radial polarization,
The housing axially clamps the permanent magnet with upper lid, so as to avoid the magnetic flux leakage of permanent magnet.
Meanwhile, electromagnetic driver of the present invention it is simple in construction, be easy to assembling, leakage field can be avoided, easily
In popularization and application.Furthermore, the present invention is by changing the polarised direction of permanent magnet and position and then keeping away
Leakage field is exempted from, it is not necessary to other leakproof magnetic devices, so as to save cost.
Brief description of the drawings
Fig. 1 is the structural representation of the better embodiment of electromagnetic driver of the present invention.
Fig. 2 is the sectional view of electromagnetic driver in Fig. 1.
Fig. 3 is the sectional view of stator in Fig. 1.
Fig. 4 is the structural representation of permanent magnet in Fig. 1.
Embodiment
Before describing the embodiments in more detail, it should be understood that the invention is not restricted in the application
Detailed construction or arrangement of elements hereafter or described in accompanying drawing.The present invention can be real for other manner
Existing embodiment.Furthermore, it is to be understood that wording used herein and term are solely for retouching
Purposes is stated, should not the explanation of being construed as limiting property." comprising " used herein, "comprising", " having "
Meant etc. similar wording comprising items listed thereafter, its equivalent and other additional things.
Particularly, when describing " certain element ", the present invention do not limit the quantity of the element as
One, it can also include multiple.
Refer to shown in Fig. 1, Fig. 2 and Fig. 3, the electromagnetic driver 100 of one embodiment of the invention
Including stator 10 and mover 30.
The stator 10 includes cylinder shell, the coil for being fixedly installed in the housing and consolidated
Dingan County is loaded on the permanent magnet 15 of the housing.The housing includes base 12 and upper lid 16.Institute
Stating base 12 includes the bottom plate of annular, prolongs upwards from the outer ledge vertical base plate of the bottom plate
The outer wall stretched and the flange raised up from the inside edge vertical base plate of bottom plate.The upper lid
16 include a relative top plate parallel with bottom plate and the inside edge vertical base plate from the top plate
Extend downwardly and with the inwall of outside wall parallel so that the housing base 12 and upper lid 16
Enclose jointly and form receiving space 18.One through hole 50 of the inner wall formation.In described
The bottom of wall is relative with the head clearance of flange and forms a stopper slot.The base 12 and institute
It is that permeability magnetic material is made to state lid 16.
The coil 14 is placed in the accommodation space 18, and the coil 14 is annular,
It is wound on a bobbin 19, the bobbin 19 is made up of insulating materials.In present embodiment,
The bobbin 19 is relatively fixed with the base 12, and the material of the bobbin 19 is plastics.
The overall permanent magnet 15 is in annular, is folded in the top of the outer wall of the base 12
Between the top plate of upper lid 16, i.e. the upper and lower surface of permanent magnet 15 reclines the upper lid 16 respectively
Top plate and the base 12 side wall.The permanent magnet 15 is radial polarization, its polarization side
To parallel with the direction of motion of the mover 30, i.e. the upper and lower surface of permanent magnet 15 is respectively forever
The relative magnetic pole of magnet.
Please also refer to Fig. 4, the permanent magnet 15 can be consolidated for an integrally formed magnet ring
It is held between the base 12 and the upper lid 16, or multiple arcs magnetic stripe 151 is spelled
The magnet ring connect.In present embodiment, the permanent magnet 15 is that six magnetic stripes are spliced.
Between the correspondence magnetic stripe at the position in gap, screw, some spiral shells are provided with the upper lid 16
Nail 11 by the gap between the screw and the magnetic stripe 151 by the upper lid 16 and it is described forever
Magnet 15 is locked on the base 12.
In present embodiment, the electromagnetic driver 100 also includes a protection ring 17, described
The outside that protection ring 17 is sheathed on the permanent magnet 15 is used to protect the permanent magnet 15 to prevent
The permanent magnet 15 drops.The material of the protection ring 17 is non-magnet material.
The mover 30 is made up of permeability magnetic material, is cylindric or cylindrical shape, and its external diameter is omited
Less than the diameter of the through hole of the stator.The mover 30 axially slidably houses and stretches into institute
State through hole 50.The mover 30 is convexly equipped with fin 33 on the outer cylinder of its bottom 32,
The fin 33 of the mover 30 is caught in the stopper slot of the stator 10, described for limiting
The axial movement stroke of mover 30, specifically, the base 12 is towards the upper lid 16
The flange of inwall forms the first stopper section 22 of the stopper slot, the inwall court of the upper lid 16
The second stopper section 24 of the stopper slot, the stopper slot are formed to the flange of the base 12
Axial width, i.e. the distance between the first stopper section 22 and the second stopper section 24 is more than described
The thickness of fin 33 vertically.The fin 33 of the mover 30 is held in first backstop
Portion 22 causes the mover 30 to be in first position, and the fin 33 of the mover 30 is held in
Second stopper section 24 causes the mover 30 to be in the second place..
In present embodiment, the bottom of the mover 30 is additionally provided with a flexible member 41, institute
State flexible member 41 and be also connected with a load (not shown), for providing bullet to the mover 30
Power.
The electromagnetic brake 100 is when assembling the permanent magnet 15, and the permanent magnet 15 can
Assembled or assembled again after being completed with advance polarization and polarized again after completing.
In present embodiment, the permanent magnet 15 is polarized again after being completed for assembling.
After the completion of the permanent magnet 15 polarization, due to the base 12 and the upper lid 16
It is that permeability magnetic material is made and axially clamps the permanent magnet 15, is planted such as Fig. 2 shown in dotted line,
The base 12, the permanent magnet 15, formation between the upper lid 16 and the mover 30
Magnetic loop.
Specifically, in 14 no power of coil, electromagnetic driver 100 of the present invention it is dynamic
Son 30 is in initial position, and such as second place, now, the attraction of the permanent magnet 15 are small
In the elastic force of the flexible member 41, the fin 33 of the mover 30 is close to described second and stopped
Stopper 24.When the coil 14 leads to magnetic field and institute that a suitable electric current to be produced by electric current
State permanent magnet 15 generation magnetic field it is identical when, the mover 30 is by the He of permanent magnet 15
The attraction that the coil 14 is produced is more than the elastic force of the flexible member 41, then now described
Mover 30 is forced downwards so that the mover 30 can overcome frictional force, from second
Put and move to first position, i.e., described mover 30 moves downward and the fin 33 is close to institute
State the first stopper section 22.When the coil 18 leads to an appropriate electrical opposite with the above-mentioned sense of current
Stream so that when the magnetic field produced by electric current is opposite with the magnetic field that the permanent magnet 15 is produced, institute
Mover 30 is stated by the permanent magnet 15 and the attraction of the generation of the coil 14 less than described
The elastic force of flexible member 41, then now the mover 30 by upward power so that it is described dynamic
Son 30 can overcome frictional force, and the second place is moved to from first position, now, described dynamic
The fin 33 of son 30 is close to second stopper section 24.
In present embodiment, the electromagnetic driver 100 utilizes the attraction of the permanent magnet 15
Electromagnetic force after power, the elastic force of the flexible member 41 and the energization of the coil 18 causes described
Mover 30 does piston movement between the first position and the second place in the stopper slot, its
In his embodiment, the motion mode of the mover 30 of electromagnetic driver 100 can also be by
Be superimposed and moved with other power, e.g., the gravity of mover itself, the stator with it is described dynamic
The elastic force of another flexible member acquisition is set between son, leads to the pulse of different directions to the coil
Produce different electromagnetic forces etc..Corresponding, the motion of the mover 30 is also not necessarily limited to
Between one position and the second place, other positions can also be included.
In present embodiment, the base 12 axially clamps the permanent magnet 15 with upper lid 16
And formed with the mover 30 in magnetic loop, other embodiment, the electromagnetic driver 100
It can also contact to be formed with the axial end of the permanent magnet 15 respectively including other magnetic conductive parts
Magnetic loop, now, the base 12 are not limited to permeability magnetic material with the upper lid and are made, example
It such as can be non-magnet material.In present embodiment, the stator of the electromagnetic driver 100 is in
In one toroidal, other embodiment, the electromagnetic driver 100 can also be as needed
Other shapes are set to, it is such as square.
Permanent magnet in existing electromagnetic driver sets and is exposed to the electromagnetic driver
One end, the permanent magnet is radial polarised, so that the magnetic circuit of electromagnetic driver is handed in magnetic stripe
Leakage field phenomenon occurs at boundary.Electromagnetic driver 100 of the present invention utilizes the axial direction of permanent magnet 15
Polarization, the base 12 axially clamps the permanent magnet 15 with upper lid 16, so as to avoid forever
The magnetic flux leakage of magnet 15.Meanwhile, electromagnetic driver 100 of the present invention it is simple in construction, just
In assembling, leakage field can be avoided, it is easy to popularization and application.Furthermore, the present invention is by changing permanent magnetism
The polarised direction of body and position and then avoid leakage field, it is not necessary to other leakproof magnetic devices, from
And save cost.
Concepts described herein may be embodied in the case of without departing from its spirit and characteristic
Other forms.Disclosed specific embodiment should be considered as exemplary rather than restricted.Cause
This, the scope of the present invention be by appended claim, rather than according to before these description
It is determined.Any change in the letter and equivalency range of claim should all belong to
The scope of these claims.
Claims (10)
1. a kind of electromagnetic driver, including mover and stator, it is characterised in that the stator bag
The coil and permanent magnet for include tubular shell, being fixedly installed in the housing, the housing include
Base and upper lid, the inner side of the upper lid form a through hole, and the mover can slide axially ground
It is contained in the through hole and relative with the coil, the polarised direction of the permanent magnet is axial
Polarization, the base is magnetic conductive part with the upper lid and axially clamps the permanent magnet.
2. electromagnetic driver as claimed in claim 1, it is characterised in that the permanent magnet is
One magnet ring is immobilizated between the base and the upper lid.
3. electromagnetic driver as claimed in claim 1, it is characterised in that the permanent magnet is
It is described between the magnet ring that multiple arcs magnetic stripe is spliced, the correspondence magnetic stripe at the position in gap
Upper lid is provided with screw, and some screws will be described by the gap between the screw and the magnetic stripe
Upper lid and the permanent magnet are locked on the base.
4. electromagnetic driver as claimed in claim 1, it is characterised in that the coil is circle
Annular, is wound on a bobbin, and the bobbin is made up of insulating materials.
5. electromagnetic driver as claimed in claim 1, it is characterised in that the permanent magnet exists
The electromagnetic driver assembling carries out radial polarization after completing.
6. electromagnetic driver as claimed in claim 1, it is characterised in that the electromagnetic drive
Device also includes a protection ring, and the outside that the protection ring is sheathed on the permanent magnet is used to protect institute
State permanent magnet.
7. electromagnetic driver as claimed in claim 1, it is characterised in that the stator is provided with
One stopper slot, the mover is provided with fin, and the axial width of the stopper slot is more than the fin
Thickness vertically, the fin is caught in the stopper slot so as to which the axial direction for limiting the mover is sliding
Dynamic stroke.
8. electromagnetic driver as claimed in claim 7, it is characterised in that the bottom of the stator
The outer wall that seat includes annular bottom plate, upwardly extended from the outer ledge vertical base plate of the bottom plate
And the flange raised up from the inside edge vertical base plate of bottom plate, it is described it is upper lid include one and bottom
Plate is parallel extended downwardly with respect to top plate and from the inside edge vertical base plate of the top plate and with it is outer
The parallel inwall of wall, the inner wall forms the through hole, the bottom of the inwall and flange
Head clearance it is relative and form the stopper slot.
9. the electromagnetic driver as described in claim 1-8, it is characterised in that on the mover
Being additionally provided with flexible member is used to provide elastic force to the mover.
10. a kind of electromagnetic driver, including mover and stator, it is characterised in that the stator
It is described including housing, magnetic conductive part, the coil and permanent magnet that are fixedly installed in the housing
Housing has a through hole, one end of the mover stretch into it is in the through hole and relative with the coil,
The polarised direction of the permanent magnet is radial polarization, and the magnetic conductive part axially clamps the permanent magnetism
Body simultaneously forms magnetic loop with the mover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610075175.8A CN107026552A (en) | 2016-02-02 | 2016-02-02 | Electromagnetic driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610075175.8A CN107026552A (en) | 2016-02-02 | 2016-02-02 | Electromagnetic driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107026552A true CN107026552A (en) | 2017-08-08 |
Family
ID=59524076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610075175.8A Pending CN107026552A (en) | 2016-02-02 | 2016-02-02 | Electromagnetic driver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107026552A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109335944A (en) * | 2018-11-06 | 2019-02-15 | 王玉青 | It is a kind of for the permanent-magnetism electromagnetic handler of magnetic conductive metal body, device and method |
-
2016
- 2016-02-02 CN CN201610075175.8A patent/CN107026552A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109335944A (en) * | 2018-11-06 | 2019-02-15 | 王玉青 | It is a kind of for the permanent-magnetism electromagnetic handler of magnetic conductive metal body, device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170808 |
|
| WD01 | Invention patent application deemed withdrawn after publication |