CN106787416A - Double air gaps multipath magnetic circuit electromagnetism finger device with big initial electromagnetic suction - Google Patents
Double air gaps multipath magnetic circuit electromagnetism finger device with big initial electromagnetic suction Download PDFInfo
- Publication number
- CN106787416A CN106787416A CN201710063998.3A CN201710063998A CN106787416A CN 106787416 A CN106787416 A CN 106787416A CN 201710063998 A CN201710063998 A CN 201710063998A CN 106787416 A CN106787416 A CN 106787416A
- Authority
- CN
- China
- Prior art keywords
- iron core
- magnetic circuit
- air gaps
- convex
- finger device
- 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/08—Structural association with bearings
- H02K7/085—Structural association with bearings radially supporting the rotary shaft at only one end of the rotor
Abstract
The present invention discloses a kind of double air gaps multipath magnetic circuit electromagnetism finger device with big initial electromagnetic suction, one or two is set near double air gaps with the secondary magnetic loop of convex, concave edge, the magnetic loop formed at double air gaps small air gap separation reduce magnetic field by when magnetic resistance, electromagnetic attraction of the increase electromagnetism finger device in original state under maximum working gap.It is an advantage of the invention that compared with existing double air gaps list magnetic circuit electromagnetism finger device, in same volume, identical weight and in the case of the identical working clearance, with bigger initial electromagnetic suction.
Description
Technical field
The present invention relates to have can with motor coaxle set and can finger and lock load torque dual-use function double air gaps
Multipath magnetic circuit electromagnetism finger device, more particularly to a kind of double air gaps multipath magnetic circuit electromagnetism finger device with big initial electromagnetic suction.
Background technology
The structure of double air gaps list magnetic circuit electromagnetism finger device in the market is as shown in figure 1, it includes spring 1, dynamic iron core
2nd, fixed board 3, pin disk 4, static iron core component 5, position-limiting tube 6 and trip bolt 7.
When finger is needed, the coil electricity in static iron core component 5, the electromagnetic force of generation passes through static iron core component magnetic conduction magnetic
The cylindrical and inner circle on road attracts dynamic iron core 2, and dynamic iron core 2 is inhaled by the left end of static iron core component 5 so that different in dynamic iron core 2
Shape pin transfers to the pin-and-hole of pin disk 4 so that the motor shaft being connected with pin disk 4 can be rotated freely.
When latch is needed, the coil blackout in static iron core component 5, the equally distributed spring 1 of the end face of static iron core component 5 will
Dynamic iron core 2 pushes left end to and is pressed against pin disk 4 so that in the pin-and-hole of the special-shaped pin insertion pin disk in dynamic iron core 2, so as to pin and drive
The pin disk 4 that dynamic motor shaft is fastened, that is, pinning motor axle prevents it from rotating.
The electromagnetism finger device of this structure generally has two air gaps, and only one of which magnetic circuit, as shown in Figure 2.Its magnetic circuit Φ
The electromagnetic force F and the relation between the working clearance of generation as shown in figure 3, in the original state of its work, i.e. maximum working gap
The electromagnetic attraction at place generally very little, and just increased sharply gap location is made close to odd-job.And for the electromagnetism in actually used
For finger device, electromagnetic force during its original state maximum working gap is most important, and it determines the finger of electromagnetism finger device
Success or failure and the finger think highly of shock resistance, the height of anti-vibration technical indicator wanted.In order to avoid double air gaps list magnetic circuit electromagnetism is dialled
Pin device this weakness, the volume and weight of general only increase electromagnetism finger device seeks the original state of electromagnetism finger device work
When, i.e., electromagnetic attraction larger at maximum working gap.Its increased volume and increased weight are to for space industry and boat
Electromagnetism finger device in empty field is flagrant.Seek for this is highly desirable in same volume, identical weight and identical work
When obtaining original state in the case of making gap, i.e., the electromagnetism finger device of larger electromagnetic attraction is produced at maximum working gap.
This is the place that the application needs to improve emphatically.
The content of the invention
The technical problems to be solved by the invention are to provide for one kind in same volume, identical weight and identical working clearance
In the case of, can realize being produced in original state the double air gaps multipath magnetic circuit with big initial electromagnetic suction of larger electromagnetic attraction
Electromagnetism finger device.
In order to solve the technical problem of the above, the invention provides a kind of many magnetic of double air gaps with big initial electromagnetic suction
Road electromagnetism finger device, sets one or two with the secondary magnetic loop of convex, concave edge near double air gaps, and the magnetic loop is at double air gaps
Formed small air gap separation reduce magnetic field by when magnetic resistance, increase electromagnetism finger device is in original state under maximum working gap
Electromagnetic attraction.
The magnetic loop secondary with convex, concave edge, is the static iron core in the dynamic iron core and static iron core component in double air gaps
Inner and outer rings, or the one initial magnetic air gap of reduction is set in the inside and outside rounded edge corresponding to dynamic iron core and static iron core unit coils groove
The second magnetic circuit passage Φ 2 being made up of convex, concave edge pair of width.
The minimum clearance of the secondary formation of convex, concave edge is a=0.03mm~0.30mm, angle γ=0 that its is convex, concave edge is formed
~15 °, its convex, concave edge overlaps the length b=0~2mm of part.
Static iron core in the dynamic iron core and static iron core component is convex, concave edge anterior angle is α=0~15 °, is to improve magnetic
The convex of power performance, outer forming angle β=15 °~60 ° of concave edge.
Static iron core left side in the right side and static iron core component of dynamic iron core is correspondingly provided with the initial magnetic circuit gas of reduction
Second magnetic circuit passage Φ 2 of gap width, is the double air gaps double magnetic circuit electromagnetism finger device with big initial electromagnetic suction.Generally work
Gap, i.e., the initial general 1~5mm of magnetic air gap width, and after being provided with the second magnetic circuit passage Φ 2, the initial magnetic circuit after reduction
Width of air gap is 0.03mm~0.30mm.Therefore, the second magnetic circuit passage Φ 2 greatly reduces electromagnetism finger device original state
Under, i.e., maximum working gap when initial magnetic air gap magnetic resistance.Two adhesive areas of dual air gap electromagnetic finger device are nearby in magnetic circuit
Two air-gap reluctances be greatly reduced.Meanwhile, dual air gap electromagnetic finger device has bigger suction than single air gap electromagnetic finger utensil
Close area so that the electromagnetism finger device after the improvement is in an initial condition, i.e., maximum working gap when electromagnetic attraction it is big
It is big to increase, effectively increase electromagnetism finger device and obtain bigger in same volume, identical weight and in the case of the identical working clearance
Shock resistance and anti-vibration grade, you can bigger spring compression is applied to the dynamic iron core of electromagnetism finger device with original state
Power, to increase shock resistance and the anti-vibration grade of whole electromagnetism finger device.
The magnetic loop secondary with convex, concave edge, is the static iron core in the dynamic iron core and static iron core component in double air gaps
Inner and outer rings and set that to reduce initial magnetic air gap wide in the inside and outside rounded edge corresponding to dynamic iron core and static iron core unit coils groove
The second magnetic circuit passage Φ 2 being made up of convex, concave edge pair and the 3rd magnetic circuit passage Φ 3 of degree.
The minimum clearance of the secondary formation of convex, concave edge is a=0.03mm~0.30mm, angle γ=0 that its is convex, concave edge is formed
~15 °, its convex, concave edge overlaps the length b=0~2mm of part.
Convex, concave edge the anterior angle of the static iron core in the dynamic iron core and static iron core component is α=0~15 °, to improve magnetic
The convex of suction performance, outer forming angle β=15 °~60 ° of concave edge.
Under double air gaps double magnetic circuit electromagnetism finger device is subject to volume, the dual limitation of weight, local magnetic in magnetic circuit is close to be reached
During to saturation state or close to saturation state, the static iron core inner and outer rings in dynamic iron core and static iron core component are respectively provided with gas in pairs
The magnetic structure of gap three, i.e., the static iron core left side in the right side of dynamic iron core and static iron core component is correspondingly provided with reduction just
Second magnetic circuit passage Φ 2 of beginning magnetic air gap width and the 3rd magnetic circuit passage Φ 3.So that the dynamic iron under volume and weight limitation
The local saturation magnetic induction of the static iron core magnetic circuit passage in core and static iron core component tends towards stability.Equally, in identical original state
When maximum working gap under produce bigger initial electromagnetic suction.
Superior effect of the invention is：
1）Compared with existing double air gaps list magnetic circuit electromagnetism finger device, in the feelings of same volume, identical weight and identical working clearance
Under condition, with bigger initial electromagnetic suction；
2）The bigger electromagnetic attraction causes that double air gaps multipath magnetic circuit electromagnetism finger device can be applied to require anti-vibration higher, resist
In the applied environment of impact.
Brief description of the drawings
The Figure of description for constituting the part of the application is used for providing a further understanding of the present invention, of the invention to show
Meaning property and its illustrates, for explaining the present invention, not constitute inappropriate limitation of the present invention embodiment.In the accompanying drawings：
Fig. 1 is double air gaps list magnetic circuit electromagnetism finger device structural representation on existing city's field boundary；
Fig. 2 is double air gaps list magnetic circuit electromagnetism finger device air gap and magnetic circuit schematic diagram on existing city's field boundary；
Fig. 3 is the relation schematic diagram between double air gaps list magnetic circuit electromagnetism finger device electromagnetic force F and working clearance δ on existing city's field boundary；
Fig. 4 is double air gaps double magnetic circuit electromagnetism finger device structural representation of the invention；
Fig. 5 is double air gaps double magnetic circuit electromagnetism finger device air gap of the invention and magnetic circuit schematic diagram；
Fig. 6 is the relation schematic diagram between double air gaps double magnetic circuit electromagnetism finger device electromagnetic force F and working clearance δ of the present invention；
Fig. 7 is the assembling schematic diagram of double air gaps double magnetic circuit electromagnetism finger device of the present invention and motor；
Fig. 8 is the structural representation of the specific embodiment one of double air gaps double magnetic circuit electromagnetism finger device of the present invention；
Fig. 9 is the structural representation of the specific embodiment two of double air gaps double magnetic circuit electromagnetism finger device of the present invention；
Figure 10 is the structural representation of the specific embodiment three of double air gaps double magnetic circuit electromagnetism finger device of the present invention；
Figure 11 is the structural representation of the magnetic circuit electromagnetism finger device of double air gaps of the present invention three；
Figure 12 is the magnetic circuit electromagnetism finger device air gap of double air gaps of the present invention three and magnetic circuit schematic diagram；
Figure 13 is the relation schematic diagram between double air gaps of the present invention three magnetic circuit electromagnetism finger device electromagnetic force F and working clearance δ；
Figure 14 is the structural representation of the specific embodiment one of the magnetic circuit electromagnetism finger device of double air gaps of the present invention three；
Figure 15 is the structural representation of the specific embodiment two of the magnetic circuit electromagnetism finger device of double air gaps of the present invention three；
Figure 16 is the dynamic iron core structure schematic diagram of the specific embodiment one of double air gaps double magnetic circuit electromagnetism finger device of the present invention；
Figure 17 is the static iron core structural representation of the specific embodiment one of double air gaps double magnetic circuit electromagnetism finger device of the present invention；
Figure 18 is the dynamic iron core structure schematic diagram of the specific embodiment two of double air gaps double magnetic circuit electromagnetism finger device of the present invention；
Figure 19 is the static iron core structural representation of the specific embodiment two of double air gaps double magnetic circuit electromagnetism finger device of the present invention；
Figure 20 is the dynamic iron core structure schematic diagram of the specific embodiment three of double air gaps double magnetic circuit electromagnetism finger device of the present invention；
Figure 21 is the static iron core structural representation of the specific embodiment three of double air gaps double magnetic circuit electromagnetism finger device of the present invention；
Figure 22 is the dynamic iron core structure schematic diagram of the specific embodiment one of the magnetic circuit electromagnetism finger device of double air gaps of the present invention three；
Figure 23 is the static iron core structural representation of the specific embodiment one of the magnetic circuit electromagnetism finger device of double air gaps of the present invention three；
Figure 24 is the dynamic iron core structure schematic diagram of the specific embodiment two of the magnetic circuit electromagnetism finger device of double air gaps of the present invention three；
Figure 25 is the static iron core structural representation of the specific embodiment two of the magnetic circuit electromagnetism finger device of double air gaps of the present invention three；
Label declaration in figure：
1-spring；Dynamic iron core on 2-existing market；
2 ＇-dynamic iron core of the invention；3-fixed board；
4-pin disk；Static iron core component on 5-existing market；
5 ＇-static iron core component of the invention；6-position-limiting tube；
7-trip bolt；8-working clearance；
9-air gap 1；10-air gap 2；
11-motor.
Specific embodiment
Embodiments of the invention are described in detail below in conjunction with accompanying drawing, but the present invention can be defined by the claims
Multitude of different ways with covering is implemented.
The embodiment that the invention will now be described in detail with reference to the accompanying drawings.
It is attached in double air gaps the invention provides a kind of double air gaps multipath magnetic circuit electromagnetism finger device with big initial electromagnetic suction
One or two is closely set with the secondary magnetic loop of convex, concave edge, the magnetic loop forms small air gap separation at double air gaps and reduces magnetic
By when magnetic resistance, increase electromagnetic attraction of the electromagnetism finger device in original state under maximum working gap.
Fig. 4 shows double air gaps double magnetic circuit electromagnetism finger device structural representation of the invention；Fig. 5 shows of the invention double
Air gap double magnetic circuit electromagnetism finger device air gap and magnetic circuit schematic diagram；Fig. 6 shows double air gaps double magnetic circuit electromagnetism finger device electricity of the present invention
Relation schematic diagram between magnetic force F and working clearance δ.As shown in figure 4, quiet in the right side of the ＇ of dynamic iron core 2 and the ＇ of static iron core component 5
Iron core left side is correspondingly provided with the second magnetic circuit passage Φ 2 for reducing initial magnetic air gap width.As shown in figure 5, its two
The the second magnetic circuit passage Φ 2 for reducing initial magnetic air gap width is provided with individual air gap.In the maximum working gap of original state
When second magnetic circuit Φ 2 play a major role, produce larger electromagnetic attraction.First magnetic circuit Φ 1 then becomes in the subsequent working clearance
It is gradually increased during small.Variation relation between its electromagnetic attraction F and working clearance δ is as shown in Figure 6.Electromagnetism finger of the invention
Device is as shown in Figure 7 with the installation diagram of motor 11.
The structure of the specific embodiment one of double air gaps double magnetic circuit electromagnetism finger device of the invention as shown in figure 8, in dynamic iron core,
Outer shroud is flange（Second magnetic circuit ring Φ 2）And positioned at its inside and outside circle most edge, static iron core inner and outer rings are concave edge（Second
Magnetic circuit ring Φ 2）And positioned at the most edge of the inside and outside circle of static iron core.The structure of its dynamic iron core 2 ＇ is as shown in figure 16, its static iron core group
Static iron core structure on the ＇ of part 5 is as shown in figure 17.
The structure of the specific embodiment two of double air gaps double magnetic circuit electromagnetism finger device of the invention as shown in figure 9, in dynamic iron core,
Outer shroud is concave edge（Second magnetic circuit ring Φ 2）And positioned at its inside and outside circle most edge, static iron core inner and outer rings are flange（Second
Magnetic circuit ring Φ 2）And positioned at the most edge of the inside and outside circle of static iron core.The structure of its dynamic iron core 2 ＇ is as shown in figure 18, its static iron core group
Static iron core structure on the ＇ of part 5 is as shown in figure 19.
The structure of the specific embodiment three of double air gaps double magnetic circuit electromagnetism finger device of the invention is as shown in Figure 10, dynamic iron core
Inner and outer rings are flange（Second magnetic circuit ring Φ 2）And correspond respectively to the inside and outside rounded edge of static iron core coil groove, static iron core line
The inside and outside circle of ring recess is arranged respectively to concave edge corresponding with dynamic iron core（Second magnetic circuit ring Φ 2）.Structure such as Figure 20 of its dynamic iron core 2 ＇
Shown, the static iron core structure on its static iron core component 5 ＇ is as shown in figure 21.
In three kinds of specific embodiments, convex, concave edge the anterior angle of the static iron core in the dynamic iron core and static iron core component is α
=0~15 °, to improve the convex of magnetic attraction performance, outer forming angle β=15 °~60 ° of concave edge.
In three kinds of specific embodiments, the second magnetic circuit passage Φ 2 is greatly reduced under electromagnetism finger device original state, convex, recessed
The secondary minimum clearance for being formed of edge is a=0.03mm~0.30mm, angle γ=0~15 ° that its is convex, concave edge is formed, and its is convex, concave edge phase
Initial magnetic air gap magnetic resistance during the length b=0~2mm, i.e. maximum working gap of mutual intersection.Dual air gap electromagnetic finger device
Two air-gap reluctances near two adhesive areas in magnetic circuit are greatly reduced.Meanwhile, dual air gap electromagnetic finger device is than single air gap
Electromagnetism finger utensil has bigger adhesive area, so that the electromagnetism finger device after the improvement is in an initial condition, i.e., it is maximum
The electromagnetic attraction during working clearance is greatly increased, and effectively increases electromagnetism finger device in same volume, identical weight and identical work
Bigger shock resistance and anti-vibration grade is obtained in the case of making gap, you can electromagnetism finger device is moved with original state
Iron core applies bigger pressing force of the spring, to increase shock resistance and the anti-vibration grade of whole electromagnetism finger device.
Figure 11 shows the structural representation of the magnetic circuit electromagnetism finger device of double air gaps of the present invention three；Figure 12 shows of the invention double
The magnetic circuit electromagnetism finger device air gap of air gap three and magnetic circuit schematic diagram；Figure 13 shows the magnetic circuit electromagnetism finger device of double air gaps of the present invention three electricity
Relation schematic diagram between magnetic force F and working clearance δ.As shown in figure 11, in the ＇ of dynamic iron core 2 and static iron core component in double air gaps
＇ inner and outer rings of static iron core 5 and being set in the inside and outside rounded edge corresponding to the ＇ of dynamic iron core 2 and static iron core unit coils groove reduce just
The second magnetic circuit passage Φ 2 being made up of convex, concave edge pair of beginning magnetic air gap width and the 3rd magnetic circuit passage Φ 3.So that in volume
Local saturation magnetic induction with the static iron core magnetic circuit passage in the ＇ of dynamic iron core 2 and the ＇ of static iron core component 5 under weight limitation tends towards stability.
Bigger initial electromagnetic suction is produced under maximum working gap in identical original state.Its air gap and magnetic circuit such as Figure 12 institutes
Show；Its electromagnetic force F is as shown in figure 13 with the relation of each magnetic circuit and working clearance δ.
The structure of the specific embodiment one of the magnetic circuit electromagnetism finger device of double air gaps of the invention three is as shown in figure 14, dynamic iron core
Inner and outer rings are flange（Second magnetic circuit ring Φ 2）And positioned at its inside and outside circle most edge, dynamic iron core annulus middle part sets two
Flange（3rd magnetic circuit ring Φ 3）And correspond respectively to the inside and outside rounded edge of static iron core coil groove.Static iron core inner and outer rings are recessed
Edge（Second magnetic circuit ring Φ 2）And the most edge of the inside and outside circle positioned at static iron core.The inside and outside circle of static iron core coil groove is respectively provided with
Concave edge corresponding with dynamic iron core intermediate flange（3rd magnetic circuit ring Φ 3）.The structure of its dynamic iron core 2 ＇ is as shown in figure 22, its static iron core
Static iron core structure on the ＇ of component 5 is as shown in figure 23.
The structure of the specific embodiment two of the magnetic circuit electromagnetism finger device of double air gaps of the invention three is as shown in figure 15, dynamic iron core
Inner and outer rings are concave edge（Second magnetic circuit ring Φ 2）And positioned at its inside and outside circle most edge, dynamic iron core annulus middle part sets two
Flange（3rd magnetic circuit ring Φ 3）And correspond respectively to the inside and outside rounded edge of static iron core coil groove.Static iron core inner and outer rings are convex
Edge（Second magnetic circuit ring Φ 2）And the most edge of the inside and outside circle positioned at static iron core.The inside and outside circle of static iron core coil groove is respectively provided with
Concave edge corresponding with dynamic iron core intermediate flange（3rd magnetic circuit ring Φ 3）.The structure of its dynamic iron core 2 ＇ is as shown in figure 24, its static iron core
Static iron core structure on the ＇ of component 5 is as shown in figure 25.
In two kinds of specific embodiments, convex, concave edge the anterior angle of the ＇ of static iron core 5 in the ＇ of the dynamic iron core 2 and static iron core component
α=0~15 ° are, to improve the convex of magnetic attraction performance, outer forming angle β=15 °~60 ° of concave edge.
In two kinds of specific embodiments, the second magnetic circuit passage Φ 2 and the second magnetic circuit passage Φ 3 greatly reduce electromagnetism finger device
Under original state, the minimum clearance of the secondary formation of convex, concave edge is a=0.03mm~0.30mm, angle γ=0 that its is convex, concave edge is formed
~15 °, its convex, concave edge overlap part length b=0~2mm, i.e. maximum working gap when initial magnetic air gap magnetic resistance,
Bigger initial electromagnetic suction is produced under maximum working gap in identical original state.
Preferred embodiments of the invention are the foregoing is only, is not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (7)
1. a kind of double air gaps multipath magnetic circuit electromagnetism finger device with big initial electromagnetic suction, it is characterised in that：Near double air gaps
One or two is set with the secondary magnetic loop of convex, concave edge, the magnetic loop forms small air gap separation at double air gaps and reduces magnetic field
By when magnetic resistance, increase electromagnetic attraction of the electromagnetism finger device in original state under maximum working gap.
2. the double air gaps multipath magnetic circuit electromagnetism finger device with big initial electromagnetic suction according to claim 1, its feature exists
In：The magnetic loop secondary with convex, concave edge, is the dynamic iron core in double air gaps（2 ＇）With static iron core component（5 ＇）In quiet iron
Core inner and outer rings, or corresponding to dynamic iron core（2 ＇）With static iron core component（5 ＇）The inside and outside rounded edge of coil groove sets one and reduces just
The second magnetic circuit passage Φ 2 being made up of convex, concave edge pair of beginning magnetic air gap width.
3. the double air gaps multipath magnetic circuit electromagnetism finger device with big initial electromagnetic suction according to claim 2, its feature exists
In：The minimum clearance of the secondary formation of convex, concave edge is a=0.03mm~0.30mm, angle γ=0 that its is convex, concave edge is formed~
15 °, its convex, concave edge overlaps the length b=0~2mm of part.
4. the double air gaps multipath magnetic circuit electromagnetism finger device with big initial electromagnetic suction according to claim 3, its feature exists
In：The dynamic iron core（2 ＇）With static iron core component（5 ＇）In convex, concave edge the anterior angle of static iron core be α=0~15 °, it is convex, recessed
Outer forming angle β=15 °~60 ° of edge.
5. the double air gaps multipath magnetic circuit electromagnetism finger device with big initial electromagnetic suction according to claim 1, its feature exists
In：The magnetic loop secondary with convex, concave edge, is the dynamic iron core in double air gaps（2 ＇）With static iron core component（5 ＇）In quiet iron
Core inner and outer rings and corresponding to dynamic iron core（2 ＇）With static iron core component（5 ＇）The inside and outside rounded edge of coil groove sets and reduces initially
The second magnetic circuit passage Φ 2 being made up of convex, concave edge pair of magnetic air gap width and the 3rd magnetic circuit passage Φ 3.
6. the double air gaps multipath magnetic circuit electromagnetism finger device with big initial electromagnetic suction according to claim 4, its feature exists
In：The minimum clearance of the secondary formation of convex, concave edge is a=0.03mm~0.30mm, angle γ=0 that its is convex, concave edge is formed~
15 °, its convex, concave edge overlaps the length b=0~2mm of part.
7. the double air gaps multipath magnetic circuit electromagnetism finger device with big initial electromagnetic suction according to claim 6, its feature exists
In：The dynamic iron core（2 ＇）With static iron core component（5 ＇）In convex, concave edge the anterior angle of static iron core be α=0~15 °, it is convex, recessed
Outer forming angle β=15 °~60 ° of edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710063998.3A CN106787416A (en) | 2017-02-04 | 2017-02-04 | Double air gaps multipath magnetic circuit electromagnetism finger device with big initial electromagnetic suction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710063998.3A CN106787416A (en) | 2017-02-04 | 2017-02-04 | Double air gaps multipath magnetic circuit electromagnetism finger device with big initial electromagnetic suction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106787416A true CN106787416A (en) | 2017-05-31 |
Family
ID=58956581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710063998.3A Withdrawn CN106787416A (en) | 2017-02-04 | 2017-02-04 | Double air gaps multipath magnetic circuit electromagnetism finger device with big initial electromagnetic suction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106787416A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003068524A (en) * | 2001-08-29 | 2003-03-07 | Hitachi Ltd | Electromagnetic device |
| JP2005116554A (en) * | 2003-10-02 | 2005-04-28 | Chunichi Denki Kogyo Kk | High-sensitivity electromagnet |
| CN1846285A (en) * | 2003-09-05 | 2006-10-11 | Abb技术有限公司 | Electromagnetic actuator having a improved initial force and latching force |
| US20110012041A1 (en) * | 2007-12-31 | 2011-01-20 | Enzo De Santis | Electromagnetic actuator for a proportional solenoid valve |
| CN103117147A (en) * | 2012-12-31 | 2013-05-22 | 杭州沪宁电梯配件有限公司 | Disc type ratio electromagnet end portion structure |
| CN103560614A (en) * | 2013-11-13 | 2014-02-05 | 中国电子科技集团公司第二十一研究所 | Electromagnetic pin pulling device coaxially arranged with motor and bearing load torque |
| CN103996487A (en) * | 2014-06-18 | 2014-08-20 | 重庆华渝电气集团有限公司 | Outer armature type high-precision locating electromagnet |
| CN104167274A (en) * | 2014-08-20 | 2014-11-26 | 浙江万向精工有限公司 | Proportional electromagnet |
| CN206775309U (en) * | 2017-02-04 | 2017-12-19 | 中国电子科技集团公司第二十一研究所 | Double air gaps multipath magnetic circuit electromagnetism finger device with big initial electromagnetic suction |
-
2017
- 2017-02-04 CN CN201710063998.3A patent/CN106787416A/en not_active Withdrawn
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003068524A (en) * | 2001-08-29 | 2003-03-07 | Hitachi Ltd | Electromagnetic device |
| CN1846285A (en) * | 2003-09-05 | 2006-10-11 | Abb技术有限公司 | Electromagnetic actuator having a improved initial force and latching force |
| JP2005116554A (en) * | 2003-10-02 | 2005-04-28 | Chunichi Denki Kogyo Kk | High-sensitivity electromagnet |
| US20110012041A1 (en) * | 2007-12-31 | 2011-01-20 | Enzo De Santis | Electromagnetic actuator for a proportional solenoid valve |
| CN103117147A (en) * | 2012-12-31 | 2013-05-22 | 杭州沪宁电梯配件有限公司 | Disc type ratio electromagnet end portion structure |
| CN103560614A (en) * | 2013-11-13 | 2014-02-05 | 中国电子科技集团公司第二十一研究所 | Electromagnetic pin pulling device coaxially arranged with motor and bearing load torque |
| CN103996487A (en) * | 2014-06-18 | 2014-08-20 | 重庆华渝电气集团有限公司 | Outer armature type high-precision locating electromagnet |
| CN104167274A (en) * | 2014-08-20 | 2014-11-26 | 浙江万向精工有限公司 | Proportional electromagnet |
| CN206775309U (en) * | 2017-02-04 | 2017-12-19 | 中国电子科技集团公司第二十一研究所 | Double air gaps multipath magnetic circuit electromagnetism finger device with big initial electromagnetic suction |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10734153B2 (en) | Three-phase reactor comprising iron-core units and coils | |
| US7560846B2 (en) | Flux barrier type synchronous reluctance motor and rotor thereof | |
| US8707822B2 (en) | Active electric torsional vibration damper and method to realize the same | |
| CN203071678U (en) | Embedded shock absorption rotor structure | |
| CN107327483B (en) | A kind of vehicle-mounted flying wheel battery double spherical surface hybrid magnetic bearings of alternating current-direct current five degree of freedom | |
| JP2014521006A (en) | Reciprocating compressor with leaf spring attached | |
| CN106329813B (en) | Shaft, motor and air conditioner | |
| JP2014522934A (en) | Arrangement configuration of linear compressor components | |
| CN110277844A (en) | Rotor for rotating electric machine | |
| CN206775309U (en) | Double air gaps multipath magnetic circuit electromagnetism finger device with big initial electromagnetic suction | |
| CN110391703A (en) | A kind of low-loss axial flux permanent magnet motor rotor yoke | |
| JP2011015592A (en) | Split stator and manufacturing method thereof | |
| CN106787416A (en) | Double air gaps multipath magnetic circuit electromagnetism finger device with big initial electromagnetic suction | |
| CN110994932A (en) | High-frequency direct-acting type force motor based on mixed air gap | |
| CN103959605B (en) | The laminate core of motor | |
| WO2012067178A1 (en) | Electromagnetic actuator | |
| CN202190130U (en) | Switched reluctance motor stator | |
| CN110932464B (en) | High-frequency direct-acting type power motor with symmetrical magnetic circuits | |
| US9673671B2 (en) | Permanent magnet rotor | |
| CN102255466A (en) | Switch reluctance motor (SRM) stator | |
| CN108494129A (en) | A kind of magnetic steel fixed structure of p-m rotor | |
| CN115130252A (en) | Design method of radial magnetic bearing and radial magnetic bearing | |
| CN206559152U (en) | Magnet ring rotor and motor | |
| CN107565793B (en) | A kind of cylinder type voice coil motor with MULTILAYER COMPOSITE Halbach array of magnetic dipoles | |
| CN219617653U (en) | Double-side suction type electromagnetic pin puller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170531 |