CN107123569A - A kind of electromagnet - Google Patents
A kind of electromagnet Download PDFInfo
- Publication number
- CN107123569A CN107123569A CN201710490874.3A CN201710490874A CN107123569A CN 107123569 A CN107123569 A CN 107123569A CN 201710490874 A CN201710490874 A CN 201710490874A CN 107123569 A CN107123569 A CN 107123569A
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- CN
- China
- Prior art keywords
- iron core
- conical pole
- conical
- pole surface
- electromagnet
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
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- Electromagnets (AREA)
Abstract
The present invention relates to electromagnet technical field, a kind of particularly electromagnet of high energy efficiency volume ratio.The invention discloses a kind of electromagnet, including coil, skeleton, dynamic iron core and static iron core, the coil is wrapped on skeleton, the dynamic iron core and static iron core are arranged in skeleton, the static iron core is provided with multiple first Conical pole surfaces, and the dynamic iron core is provided with multiple second Conical pole surfaces, and multiple first Conical pole surfaces are adapted one by one with multiple second Conical pole surfaces, during coil electricity, the mutual adhesive by the electromagnetic force between the first Conical pole surface and the second Conical pole surface of dynamic iron core and static iron core.Compact conformation of the present invention, particularly small volume, longitudinal size are small, and efficiency volume ratio is high, and cost is low, is particularly suitable for use in the occasion for having strict demand to space.
Description
Technical field
The invention belongs to electromagnet technical field, more particularly to a kind of electromagnet of high energy efficiency volume ratio.
Background technology
Electric locomotive is big, warm round the clock to be applicable China's north and south span as floating population and the important means of Material Transportation
Difference than it is larger the characteristics of require the adaptive temperature scope of pneumatic element used on locomotive at -40 DEG C~+70 DEG C；Electromagnet is used for
Vacuum circuit breaker is promoted in locomotive vacuum breaker control system, and after breaker closing action, keeps it in combined floodgate shape
State, replaces Primordial Qi and moves or the pneumatic way of propelling combined in hold-in winding, adapt it to broader temperature range, reduce the link,
Increase product reliability.
Magnet spool internally produces electromagnetic field when being powered, and the dynamic iron core of the inside produces electromagnetism under magnetic fields
Power is simultaneously pulled together with static iron core, so that promote the stationary contact on the movable contact and vacuum circuit breaker in connecting rod to close, when
When electric current disconnects, dynamic iron core returns to original position under return spring effect.When needing enhancing magnetic field force, existing usual way
It is the line footpath or the number of turns for increasing coil, increases ampere-turn ratio, although this mode implements simply, but can becomes electromagnet volume
Greatly, and cost is high；When needing increase electromagnet stroke, existing usual way is to increase the angle of inclination of adhesive to reach mesh
, although this mode is implemented simply, but electromagnet can be made elongated also very heavy, and cost is high.
The content of the invention
It is small it is an object of the invention to provide a kind of small volume, particularly longitudinal size to solve the above problems, and reach
To optimal efficiency volume ratio, the low electromagnet of cost.
Therefore, the invention discloses a kind of electromagnet, including coil, skeleton, dynamic iron core and static iron core, the coil winding
On skeleton, the dynamic iron core and static iron core are arranged in skeleton, and the static iron core is provided with multiple first Conical pole surfaces, described dynamic
Iron core is provided with multiple second Conical pole surfaces, and multiple first Conical pole surfaces are adapted one by one with multiple second Conical pole surfaces, and coil leads to
When electric, the mutual adhesive by the electromagnetic force between the first Conical pole surface and the second Conical pole surface of dynamic iron core and static iron core.
Further, first Conical pole surface is conical pole-face, and second Conical pole surface is conical pole-face.
Further, the coning angle of first Conical pole surface and the second Conical pole surface is 15-25 degree, preferably 20
Degree.
Further, multiple first Conical pole surfaces are nested successively is set, and multiple second Conical pole surfaces are nested successively to be set.
Further, the incline direction of the first adjacent Conical pole surface is on the contrary, the inclination of the second adjacent Conical pole surface
In the opposite direction.
Further, have between the first adjacent Conical pole surface between a common port, the second adjacent Conical pole surface
With a common port
Further, the quantity of first tapered pole and the second Conical pole surface is 3.
Further, in addition to outer magnetic conductive loop, the outer magnetic conductive loop is coated on outside coil and skeleton.
Further, in addition to connecting rod, the connecting rod is fixedly installed with dynamic iron core.
The advantageous effects of the present invention：
Electricity is increased to increase magnetic flux area by the cooperation of multiple Conical pole surfaces between the dynamic iron core and static iron core of the present invention
Magnetic force, so as to realize that volume can be smaller, and particularly longitudinal size can subtract significantly in the requirement of same force value and range demands
Small so that lightweight, small power consumption, cost is low, long lifespan, is particularly suitable for use in the occasion for having strict demand to space.
Brief description of the drawings
Fig. 1 is the sectional view of the specific embodiment of the invention.
Fig. 2 is the structural representation of the static iron core of the specific embodiment of the invention；
Fig. 3 is the structural representation of the dynamic iron core of the specific embodiment of the invention.
Embodiment
In conjunction with the drawings and specific embodiments, the present invention is further described.
As shown in figure 1, a kind of electromagnet, including it is outer magnetic conductive loop 1, coil 2, skeleton 3, dynamic iron core 4, back-moving spring 5, quiet
Iron core 6 and coil fixed seat 7, the coil 2 and skeleton 3 are set in outer magnetic conductive loop 1, and coil 2 is wound on skeleton 3, outside
Magnetic conductive loop 1 and skeleton 3 are fixed by coil fixed seat 7, and the static iron core 6 is fixedly installed in one end of skeleton 3, described
Dynamic iron core 4 can be in the presence of coil 2 and back-moving spring 5, along the longitudinal axis in skeleton 3, in attracted position and disengaged position
Between slide, its concrete structure is referred to existing electromagnet structure, and this is that those skilled in the art can realize easily,
No longer describe in detail.
In this specific embodiment, dynamic iron core 4 is further fixed on connecting rod 8, is specifically referred to the connection of existing breaker
Bar structure, this is that those skilled in the art can realize easily, is no longer described in detail.
The static iron core 6 is provided with multiple first Conical pole surfaces 61, and the dynamic iron core 4 is provided with multiple second Conical pole surfaces 41,
Multiple first Conical pole surfaces 61 are adapted one by one with multiple second Conical pole surfaces 41, when coil 2 is powered, dynamic iron core 4 and static iron core 6
The mutual adhesive by the electromagnetic force between the first Conical pole surface 61 and the second Conical pole surface 41.
In this specific embodiment, dynamic iron core 4 and static iron core 6 are made by soft magnetic materials.
In this specific implementation, the quantity of the first Conical pole surface 61 is 3, equally, and the quantity of the second Conical pole surface 41 is also 3
Individual, certainly, in other embodiments, the quantity of the first Conical pole surface 61 and the second Conical pole surface 41 can be according to different cross-sectional
To design, such as in order that electromagnet longitudinal size is smaller, then more tapered poles of first Conical pole surface 61 and second can be set
Face 41, this is that those skilled in the art can realize easily, is no longer described in detail.
In this specific implementation, first Conical pole surface 61 is conical pole-face, and second Conical pole surface 41 is corresponding
Also it is conical pole-face, conical pole-face can make more compact structure, and electromagnetic force is bigger, certainly, in other embodiments, first
The Conical pole surface 41 of Conical pole surface 61 and second can also use other pyramidal structures, such as triangular pyramidal or four sides pyramidal structure,
This is that those skilled in the art can realize easily, is no longer described in detail.
In this specific embodiment, the coning angle of the Conical pole surface 41 of the first Conical pole surface 61 and second is preferably in 15-
Between 25 degree, more preferably 20 degree.
In this specific embodiment, in order that dynamic iron core 4 and the more compact structure of static iron core 6, volume are smaller, particularly weft element
Product is smaller, and the multiple first Conical pole surface 61 is nested successively to be set, and the multiple second Conical pole surface 41 is also corresponding embedding successively
Set is set.
Certainly, in other embodiments, multiple first Conical pole surfaces 61 may not be nested setting successively, such as scattered to set
Put, this is that those skilled in the art can realize easily, is no longer described in detail.
Further, the incline direction of the first adjacent Conical pole surface 61 is on the contrary, inclining for adjacent the second Conical pole surface 41
Tilted direction is on the contrary, so that more compact between Conical pole surface, the volume of dynamic iron core 4 and static iron core 6 is smaller.
Further, there is a common port 62, the second adjacent Conical pole surface between the first adjacent Conical pole surface 61
There is a common port 42 so that adjacent conical pole-face spacing is minimum between 41, further reduce the body of dynamic iron core 4 and static iron core 6
Product.
Dynamic iron core 4 can be integrally formed part or be arranged by some conical rings to constitute, and static iron core 6 can be integrally formed part
Or be arranged and constitute by some conical rings.
The course of work：Coil 2 is when being powered, and dynamic iron core 4 and static iron core 6 pass through multiple second tapers under magnetic field force effect
Pole-face 41 and multiple first Conical pole surfaces 61 produce collapsible magnetic loop, produce big electromagnetic force, and are pulled together, from the company of promotion
Stationary contact closure on movable contact and vacuum circuit breaker on extension bar 8, when the current is switched off, work of the dynamic iron core 4 in back-moving spring 5
Under, original position is returned to.
Coordinate to increase magnetic flux area by multiple Conical pole surfaces between the dynamic iron core and static iron core of the present invention, and cause dynamic
Iron core 4 obtains bigger electromagnetic force, so that realize that the volume of electromagnet can be smaller in the requirement of same force value and range demands,
Particularly longitudinal size can be greatly reduced so that lightweight, and small power consumption, cost is low, long lifespan, be particularly suitable for use in having space
The occasion of strict demand.
Although specifically showing and describing the present invention with reference to preferred embodiment, those skilled in the art should be bright
In vain, do not departing from the spirit and scope of the present invention that appended claims are limited, in the form and details can be right
The present invention makes a variety of changes, and is protection scope of the present invention.
Claims (9)
1. a kind of electromagnet, including coil, skeleton, dynamic iron core and static iron core, the coil are wrapped on skeleton, the dynamic iron core
It is arranged on static iron core in skeleton, it is characterised in that：The static iron core is provided with multiple first Conical pole surfaces, and the dynamic iron core is provided with
Multiple second Conical pole surfaces, multiple first Conical pole surfaces are adapted one by one with multiple second Conical pole surfaces, during coil electricity, move iron
The mutual adhesive by the electromagnetic force between the first Conical pole surface and the second Conical pole surface of core and static iron core.
2. electromagnet according to claim 1, it is characterised in that：First Conical pole surface is conical pole-face, described
Second Conical pole surface is conical pole-face.
3. electromagnet according to claim 2, it is characterised in that：The circle of first Conical pole surface and the second Conical pole surface
Cone angle is 15-25 degree, preferably 20 degree.
4. the electromagnet according to Claims 2 or 3, it is characterised in that：Multiple first Conical pole surfaces are nested successively to be set, many
Individual second Conical pole surface is nested successively to be set.
5. electromagnet according to claim 4, it is characterised in that：The incline direction of the first adjacent Conical pole surface on the contrary,
The incline direction of the second adjacent Conical pole surface is opposite.
6. electromagnet according to claim 5, it is characterised in that：It is public with one between the first adjacent Conical pole surface
There is a common port between end, the second adjacent Conical pole surface.
7. the electromagnet according to claim 1-3 any one, it is characterised in that：First tapered pole and the second taper
The quantity of pole-face is 3.
8. the electromagnet according to claim 1-3 any one, it is characterised in that：Also include outer magnetic conductive loop, it is described outer
Magnetic conductive loop is coated on outside coil and skeleton.
9. the electromagnet according to claim 1-3 any one, it is characterised in that：Also include connecting rod, the connecting rod
It is fixedly installed with dynamic iron core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710490874.3A CN107123569B (en) | 2017-06-22 | 2017-06-22 | Electromagnet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710490874.3A CN107123569B (en) | 2017-06-22 | 2017-06-22 | Electromagnet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107123569A true CN107123569A (en) | 2017-09-01 |
| CN107123569B CN107123569B (en) | 2020-10-20 |
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ID=59718695
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710490874.3A Active CN107123569B (en) | 2017-06-22 | 2017-06-22 | Electromagnet |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10251851A1 (en) * | 2002-07-16 | 2004-02-12 | Eto Magnetic Kg | Electromagnetic actuator, e.g. for vehicle ABS, has end faces with number of inclined areas forming multiple conical and/or serrated crossing region with no non-magnetic distancing element in end face crossing region |
| CN1854370A (en) * | 2005-04-28 | 2006-11-01 | 星锐缝纫机股份有限公司 | Electromagnetic driver of sewing machine |
| CN201029076Y (en) * | 2007-03-20 | 2008-02-27 | 吴纪顺 | Driving mechanism |
| CN101783263A (en) * | 2010-02-04 | 2010-07-21 | 东南大学 | Bistable-state permanent magnet mechanism of parallel magnetic circuits |
| CN203179712U (en) * | 2013-03-05 | 2013-09-04 | 陈勤 | Electromagnet equipment with permanent magnet |
| CN206877906U (en) * | 2017-06-22 | 2018-01-12 | 厦门安达兴自动化设备有限公司 | A kind of electromagnet |
-
2017
- 2017-06-22 CN CN201710490874.3A patent/CN107123569B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10251851A1 (en) * | 2002-07-16 | 2004-02-12 | Eto Magnetic Kg | Electromagnetic actuator, e.g. for vehicle ABS, has end faces with number of inclined areas forming multiple conical and/or serrated crossing region with no non-magnetic distancing element in end face crossing region |
| CN1854370A (en) * | 2005-04-28 | 2006-11-01 | 星锐缝纫机股份有限公司 | Electromagnetic driver of sewing machine |
| CN201029076Y (en) * | 2007-03-20 | 2008-02-27 | 吴纪顺 | Driving mechanism |
| CN101783263A (en) * | 2010-02-04 | 2010-07-21 | 东南大学 | Bistable-state permanent magnet mechanism of parallel magnetic circuits |
| CN203179712U (en) * | 2013-03-05 | 2013-09-04 | 陈勤 | Electromagnet equipment with permanent magnet |
| CN206877906U (en) * | 2017-06-22 | 2018-01-12 | 厦门安达兴自动化设备有限公司 | A kind of electromagnet |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107123569B (en) | 2020-10-20 |
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