CN205542614U - Contactor that eddy current loss is low - Google Patents
Contactor that eddy current loss is low Download PDFInfo
- Publication number
- CN205542614U CN205542614U CN201620087095.XU CN201620087095U CN205542614U CN 205542614 U CN205542614 U CN 205542614U CN 201620087095 U CN201620087095 U CN 201620087095U CN 205542614 U CN205542614 U CN 205542614U
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- China
- Prior art keywords
- iron core
- current loss
- contactor
- eddy
- bar
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Abstract
The utility model discloses a contactor that eddy current loss is low, including moving contact, inductance coils, dwang, iron core, static contact, mount pad, horizontal horizontal pole and bottom plate, inductance coils, mount pad and horizontal horizontal pole are all installed perpendicularly on the bottom plate, and inductance coils lies in between mount pad and the horizontal horizontal pole, and still the installation is unshakable in one's determination on inductance coils's terminal surface, and the iron core is folded to rivet by the polylith silicon steel sheet and is formed, is equipped with the branch magnetic ring on the terminal surface of iron core, installs the static contact on the installation base, dwang one end fixed mounting moving contact, the horizontal horizontal pole of other end swing joint, the dwang still install armature on the surface, armature is with unshakable in one's determination relative, all sets up the wiring and hold on the below of dwang and mount pad. By adopting the above structure, the utility model, simple structure through the iron core of special setting, utilizes and divides the magnetic ring can let through the magnetic flow of two different casees on the time between the iron core, makes total magnetic flow can not exceed zero point, reduces the noise, and reduction eddy current loss improves life.
Description
Technical field
The utility model relates to power domain, in particular it relates to the contactor that eddy-current loss is low.
Background technology
Contactor, mainly in order to control direct circuit, is only that power supply plays transmission effect, electrical appliance size and electrical appliance
Rated current is relevant.In the contactor of present use, when being connected with alternating current in coil, the magnetic flux produced in iron core is
With the change of electric current same frequency, when power frequency is 50Hz, magnetic flux is per second has 100 times through zero crossing.When magnetic flux is through zero time,
Suction produced by it is also zero, and dynamic unshakable in one's determination (armature) leaves trend, but not and leave, magnetic flux does not the most quickly rise, dynamic iron core
The most sucked back, result causes vibration, produces noise, reduces the service life of contactor, and produces eddy-current loss.And eddy-current loss
It is conductor when moving in non-uniform magnetic-field or be in time dependent magnetic field, the energy that the electric current inducted in conductor causes
Amount loss, needs to avoid in transmittance process, to increase effective utilization of electric energy.
Utility model content
Technical problem to be solved in the utility model is to provide the contactor that eddy-current loss is low, and this apparatus structure is simple,
By the iron core of special setting, utilize divided magnetic ring can allow between iron core the magnetic flux by two different casees in time, make total magnetic flux
Not over zero point, reduce noise, reduce eddy-current loss, improve service life.
The technical scheme in the invention for solving the above technical problem is: the contactor that eddy-current loss is low, touches including dynamic
Head, inductance coil, rotation bar, iron core, static contact, mounting seat, horizontal cross bar and base plate, described inductance coil, mounting seat, He Shui
Flat cross bar is all vertically mounted on base plate, and inductance coil is between mounting seat and horizontal cross bar, on the end face of inductance coil
Also installing iron core, iron core is formed by polylith silicon steel sheet stack riveting, equipped with divided magnetic ring on end face unshakable in one's determination, mounting seat is installed quiet
Contact；Described rotation bar one end fixed installation moving contact, the other end is flexibly connected horizontal cross bar, also pacifies on the surface rotating bar
Dress armature, armature is relative with iron core, is respectively provided with terminals on the lower section rotating bar and mounting seat；Described moving contact and stationary contact
Head is relatively.Iron core is divided into two parts, bottom unshakable in one's determination not to be wrapped by divided magnetic ring, by the magnetic flux of this part by divided magnetic ringProduce
Suction, the upper surface unshakable in one's determination that divided magnetic ring is wrapped produces induced potential and electric current in divided magnetic ring, magnetic produced by this electric current
Lead to and will attempt to stop the change of magnetic flux in upper surface, cause the actual magnetic flux through upper surfaceLag behindOne angle, iron
Suction produced by the upper surface of the heartAlso will be late by, make total F that makes a concerted effort without zero point, thus eliminate vibration and
Noise, decreases eddy-current loss, and vibrations unshakable in one's determination reduce, improve service life.This device only need to access electricity inductance coil
Source, can produce electromagnetic induction and make iron core hold armature, so that moving contact contacts with static contact, switch on power, then will need
The electrical equipment accessed connects terminals, can realize electrical equipment and connect electricity, and simple in construction is easy to use.
Described iron core is divided into two-layer, two-layer to stagger, and every layer is vertically stacked by polylith silicon steel sheet and to rivet together, only on top
Equipped with divided magnetic ring on Ceng.Two-layer staggers, and upper strata magnetic flux and lower floor magnetic flux can preferably work alone, and are independent of each other, and unshakable in one's determination is upper
When layer can preferably realize the stenosed section that magnetic flux passes thin slice, some narrow and small loops stream that eddy current is limited in each
Crossing, and the clean electromotive force in these loops is less, the length in loop is relatively big, then owing to the resistivity of this sheeting is big, this
Sample just can significantly reduce eddy-current loss.
It is also connected with antagonistic spring between bottom described rotation bar and bottom base plate.When after inductance coil power-off, unshakable in one's determination and
Armature separates, pullling because of spring, it is to avoid rotates bar and 360 ° of rotations occurs, cause security incident, damages and rotate on bar
Moving contact and rotate the active connection place of bar and horizontal cross bar, improve service life.When unshakable in one's determination and armature need adhesive
Time, antagonistic spring can be compressed again, does not affect its adhesive, flexible and convenient to use.
Described moving contact and static contact opposite end are arcuate structure.It is easy to preferably contact.
The angular range that the flexible connection point that described rotation bar can be wound on horizontal cross bar rotates counterclockwise is 0-45 °.
While ensureing iron core and armature adhesive and separating, moreover it is possible to avoid rotating bar rotation amplitude excessive, it is ensured that the safety of each parts.
Two terminals are also set up on described inductance coil.Convenient and outside electric equipment is connected.
To sum up, the beneficial effects of the utility model are:
1, the utility model iron core by special setting, utilizes divided magnetic ring can allow between iron core and passes through two the most not
With the magnetic flux of case, make total magnetic flux not over zero point, reduce noise, reduce eddy-current loss, improve service life, this apparatus structure
Simply, practical and convenient.
2, two-layer unshakable in one's determination staggers, and upper strata magnetic flux and lower floor magnetic flux can preferably work alone, and are independent of each other, the upper strata of iron core
When can preferably realize the stenosed section that magnetic flux passes thin slice, some narrow and small loops that eddy current is limited in each are flow through,
And clean electromotive force in these loops is less, the length in loop is relatively big, then owing to the resistivity of this sheeting is big, thus
Eddy-current loss can be significantly reduced.
3, the setting of antagonistic spring, when, after inductance coil power-off, iron core separates with armature, drawing because of spring
Pull, it is to avoid rotate bar and 360 ° of rotations occur, cause security incident, damage the moving contact rotated on bar and rotation bar is horizontal with level
The active connection place of bar, improves service life.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the enlarged drawing in Fig. 1 at A.
Mark and corresponding parts title in accompanying drawing: 1, moving contact；2, inductance coil；3, bar is rotated；4, unshakable in one's determination；5, rank
Iron；6, static contact；7, mounting seat；8, horizontal cross bar；9, antagonistic spring；10, base plate；11, terminals；12, divided magnetic ring；13、
Silicon steel sheet.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the utility model is made detailed description further, but of the present utility model
Embodiment is not limited to this.
Embodiment 1:
As shown in Figure 1-2, the utility model includes moving contact 1, inductance coil 2, rotates bar 3, iron core 4, static contact 6, peace
Dress seat 7, horizontal cross bar 8 and base plate 10, described inductance coil 2, mounting seat 7 and horizontal cross bar 8 are all vertically mounted on base plate 10
On, inductance coil 2 between mounting seat 7 and horizontal cross bar 8, the end face of inductance coil 2 is also installed unshakable in one's determination 4, unshakable in one's determination 4 by
Polylith silicon steel sheet 13 is folded riveting and is formed, and equipped with divided magnetic ring 12 on the end face of unshakable in one's determination 4, mounting seat 7 is installed static contact 6；Described
Rotating bar 3 one end fixed installation moving contact 1, the other end is flexibly connected horizontal cross bar 8, also installs rank on the surface rotating bar 3
Iron 5, armature 5 is relative with iron core 4, is respectively provided with terminals 11 on the lower section rotating bar 3 and mounting seat 7；Described moving contact 1 He
Static contact 6 is relative.
This device only need to access power supply the two ends on inductance coil, can produce electromagnetic induction and make iron core hold armature,
So that moving contact contacts with static contact, switch on power, then by needing the electrical equipment accessed to connect terminals, electrical equipment can be realized and connect
Electricity, simple in construction, easy to use.
Iron core is divided into two parts, bottom unshakable in one's determination not to be wrapped by divided magnetic ring, by the magnetic flux of this part by divided magnetic ringProduce
Raw suction, the upper surface unshakable in one's determination that divided magnetic ring is wrapped produces induced potential and electric current, produced by this electric current in divided magnetic ring
Magnetic flux will attempt to stop the change of magnetic flux in upper surface, causes the actual magnetic flux through upper surfaceLag behindOne angle,
Suction produced by upper surface unshakable in one's determinationAlso will be late by, make total F that makes a concerted effort without zero point, thus eliminate vibration
And noise, decreasing eddy-current loss, vibrations unshakable in one's determination reduce, improve service life.
Embodiment 2:
The present embodiment preferred concrete structure on the basis of embodiment 1 is as follows: unshakable in one's determination 4 are divided into two-layer, two-layer to stagger, every layer
It is vertically stacked by polylith silicon steel sheet 13 and rivets together, only equipped with divided magnetic ring 12 on top layer.Two-layer staggers, upper strata magnetic flux with
Lower floor's magnetic flux can preferably work alone, and is independent of each other, and upper strata unshakable in one's determination can preferably realize magnetic flux is passed the narrow of thin slice
During cross section, some narrow and small loops that eddy current is limited in each are flow through, and the clean electromotive force in these loops is less, loop
Length is relatively big, then owing to the resistivity of this sheeting is big, thus can significantly reduce eddy-current loss.
Embodiment 3:
The present embodiment increases following technical characteristic on the basis of above-described embodiment: rotate bottom bar 3 and bottom base plate 10
Between be also connected with antagonistic spring 9.When, after inductance coil power-off, iron core separates with armature, pullling because of spring, it is to avoid
Rotate bar and 360 ° of rotations occur, cause security incident, damage the moving contact rotated on bar and rotate the work of bar and horizontal cross bar
Be dynamically connected place, improves service life.When unshakable in one's determination and armature need adhesive, antagonistic spring can be compressed again, does not affect it
Adhesive, flexible and convenient to use.
Moving contact 1 and static contact 6 opposite end are arcuate structure.
The angular range that the flexible connection point that rotation bar 3 can be wound on horizontal cross bar 8 rotates counterclockwise is 0-45 °.?
While ensureing iron core and armature adhesive and separating, moreover it is possible to avoid rotating bar rotation amplitude excessive, it is ensured that the safety of each parts.
Two terminals are also set up on inductance coil 2.
As it has been described above, the utility model can preferably be realized.
The above, be only preferred embodiment of the present utility model, and the utility model not does any pro forma limit
System, every according to technical spirit of the present utility model, above example is made any simple modification, equivalent variations, each fall within
Within protection domain of the present utility model.
Claims (6)
1. the contactor that eddy-current loss is low, it is characterised in that include moving contact (1), inductance coil (2), rotate bar (3), iron core
(4), static contact (6), mounting seat (7), horizontal cross bar (8) and base plate (10), described inductance coil (2), mounting seat (7) and water
Flat cross bar (8) is all vertically mounted on base plate (10), and inductance coil (2) is positioned between mounting seat (7) and horizontal cross bar (8),
Also installing iron core (4) on the end face of inductance coil (2), (4) unshakable in one's determination are formed, in (4) unshakable in one's determination by the folded riveting of polylith silicon steel sheet (13)
Equipped with divided magnetic ring (12) on end face, mounting seat (7) is installed static contact (6)；The fixed installation of described rotation bar (3) one end is dynamic touches
Head (1), the other end is flexibly connected horizontal cross bar (8), also installs armature (5), armature (5) and iron on the surface rotating bar (3)
The heart (4) is relative, is respectively provided with terminals (11) on the lower section rotating bar (3) and mounting seat (7)；Described moving contact (1) and quiet
Contact (6) is relative.
The contactor that eddy-current loss the most according to claim 1 is low, it is characterised in that described iron core (4) is divided into two-layer, two
Fault is opened, and every layer is vertically stacked by polylith silicon steel sheet (13) and to rivet together, only equipped with divided magnetic ring (12) on top layer.
The contactor that eddy-current loss the most according to claim 1 is low, it is characterised in that described rotation bar (3) bottom and the end
Plate (10) is also connected with antagonistic spring (9) between bottom.
The contactor that eddy-current loss the most according to claim 1 is low, it is characterised in that described moving contact (1) and static contact
(6) opposite end is arcuate structure.
The contactor that eddy-current loss the most according to claim 1 is low, it is characterised in that described rotation bar (3) can be wound on
An angular range rotated counterclockwise that is flexibly connected on horizontal cross bar (8) is 0-45 °.
The contactor that eddy-current loss the most according to claim 1 is low, it is characterised in that described inductance coil also sets on (2)
Put two terminals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620087095.XU CN205542614U (en) | 2016-01-29 | 2016-01-29 | Contactor that eddy current loss is low |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620087095.XU CN205542614U (en) | 2016-01-29 | 2016-01-29 | Contactor that eddy current loss is low |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205542614U true CN205542614U (en) | 2016-08-31 |
Family
ID=56772060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620087095.XU Expired - Fee Related CN205542614U (en) | 2016-01-29 | 2016-01-29 | Contactor that eddy current loss is low |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205542614U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106229222A (en) * | 2016-01-29 | 2016-12-14 | 四川行之智汇知识产权运营有限公司 | The catalyst of low eddy-current loss |
-
2016
- 2016-01-29 CN CN201620087095.XU patent/CN205542614U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106229222A (en) * | 2016-01-29 | 2016-12-14 | 四川行之智汇知识产权运营有限公司 | The catalyst of low eddy-current loss |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20170129 |