CN106328446A - Magnetic latching relay, magnetic circuit structure and work method thereof - Google Patents
Magnetic latching relay, magnetic circuit structure and work method thereof Download PDFInfo
- Publication number
- CN106328446A CN106328446A CN201610785122.5A CN201610785122A CN106328446A CN 106328446 A CN106328446 A CN 106328446A CN 201610785122 A CN201610785122 A CN 201610785122A CN 106328446 A CN106328446 A CN 106328446A
- Authority
- CN
- China
- Prior art keywords
- armature
- iron core
- magnet steel
- yoke
- magnetic
- 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
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
- H01H50/18—Movable parts of magnetic circuits, e.g. armature
- H01H50/24—Parts rotatable or rockable outside coil
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
- H01H50/36—Stationary parts of magnetic circuit, e.g. yoke
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/44—Magnetic coils or windings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H51/00—Electromagnetic relays
- H01H51/01—Relays in which the armature is maintained in one position by a permanent magnet and freed by energisation of a coil producing an opposing magnetic field
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electromagnets (AREA)
Abstract
The invention discloses a magnetic latching relay, a magnetic circuit structure and a work method thereof. The magnetic circuit structure comprises an iron core, a coil winding, magnetic steel, an armature and a yoke, the iron core and the yoke are fixed in an opposite manner, the iron core is wound by the coil winding, the magnetic steel is fixedly arranged between the iron core and the yoke, the armature is in a long strip shape and is provided with a downwardly-recessed arc segment, the bottom of the arc segment is contacted with the top line of the magnetic steel, a limiting block for limitation is arranged above the armature corresponding to the arc segment, the bottom end of the limiting block is a cambered surface matched with the arc segment, the bottom end of the limiting block cooperates with the top of the arc segment in a movable manner, and two ends of the armature are free ends and respectively correspond to the top end of the iron core and the top end of the yoke. According to the magnetic circuit structure, the structure is simple, the number of overall applied parts is small, the production and the assembling are easy, the work efficiency is improved, and the production cost is reduced.
Description
Technical field
The invention belongs to magnetic latching relay technical field, particularly relate to a kind of magnetic latching relay, magnetic structure and
Its method of work.
Background technology
Magnetic latching relay is a kind of new type of relay grown up in recent years, and it is a kind of switch automatically, and other
Electromagnetic relay is the same, and circuit plays turn on automatically and cutting action.The magnetic latching relay of prior art the most all has
Two panels yoke, this magnetic latching relay structure is complicated, produces, assembles inconvenience, is unfavorable for raising and the cost of production efficiency
Reduction.
Therefore, the defect how solving the existence of above-mentioned prior art becomes the direction that this skilled person makes great efforts.
Summary of the invention
It is an object of the invention to provide a kind of magnetic latching relay, magnetic path and method of work thereof, can be fully solved
Above-mentioned the deficiencies in the prior art.
The purpose of the present invention is realized by following technical proposals:
A kind of magnetic structure, including iron core, coil-winding, magnet steel, armature and yoke, described iron core is relatively fixed with yoke
Arranging, the outer coiling coiling of iron core, magnet steel is fixedly installed between iron core and yoke, and armature is strip, which is provided with down
Recessed segmental arc, the bottom of this segmental arc and magnet steel top linear contact lay, above armature, to arrange limited block spacing for corresponding segmental arc,
Limited block bottom is the cambered surface mated with segmental arc, and limited block bottom coordinates with segmental arc top movable, and armature two ends are freely
End, corresponding with iron core top and yoke top respectively.
A kind of magnetic latching relay, including pedestal, top cover, static contact spring piece, movable contact spring, stationary contact and movable contact, its feature exists
In: including that the magnetic structure described in claim 1, described pedestal are the cavity body structure of top end opening, top cover is arranged on pedestal top
Portion's opening part, described iron core, magnet steel and yoke be each attached in pedestal, and limited block is fixed on top cover inwall, armature and magnet steel pair
One end of answering connects movable contact spring, and static contact spring piece is arranged relative to movable contact spring, is correspondingly arranged movable contact and quiet on movable contact spring and static contact spring piece
Contact.
Further, described yoke includes base plate, connecting plate and jointing plate, and connecting plate and laminating are passed through in one end of described base plate
One end of plate connects, and described connecting plate tilts laterally, and the described base plate lateral symmetry near connecting plate one end offers stopper slot,
Being provided with 4 spacing holes on base plate between 2 stopper slots, these 4 spacing holes are positioned on the corner of same rectangle, the described end
The other end of plate offers riveted holes, is provided with limited post at pedestal inner bottom part correspondence stopper slot and spacing hole, and base plate coordinates at base
Seat inner bottom part, limited post is straight up through stopper slot and spacing hole, and magnet steel bottom is placed between limited post limited, at the bottom of iron core
End is riveted at riveted holes.
The present invention realizes armature and iron core laminating or armature and yoke according to the magnetic direction that coil-winding energising produces
Laminating.The motion of armature is moved together with movable contact spring so that movable contact contacts or disconnection with stationary contact.Armature motion is complete
After, all can form new magnetic circuit, keep this state by magnet steel, coil then need not be energized again.
A kind of magnetic circuit method of work of magnetic latching relay, described magnetic latching relay is relay recited above, its
Being characterised by: in the case of not powering to coil-winding, armature is fitted with yoke, and now, the magnetic field of magnet steel is by the N pole of magnet steel
Return to the S pole of magnet steel through armature, yoke, fraction leakage field is through armature and the gap of iron core, then returns to magnetic through iron core and yoke
The S pole of steel.
In the case of powering to coil-winding, if the magnetic field that coil-winding electric current produces is the most contrary with magnet steel, then
Armature can by the suction of iron core, when this suction more than magnet steel to the retentivity of yoke and armature time, armature is then by iron core adhesive；
After armature and iron core adhesive, the magnetic field of magnet steel is returned to the S pole of magnet steel by the N pole of magnet steel through iron core, yoke；If coil-winding is electric
The magnetic field of miscarriage life is the most identical with magnet steel, then iron core produces repulsive force to armature, when repulsive force more than magnet steel to armature and ferrum
During the retentivity of core, armature is then arranged, armature and yoke adhesive；And so forth, the contact component of relay is driven to cut-off.
Compared with prior art, the beneficial effects of the present invention is: magnetic keeps function, magnetic only to need a piece of yoke to achieve that
Line structure is simple, and overall use parts are few, produces, assembles easily, is conducive to improving work efficiency and reduction production cost.Permissible
By the angle of shaping yoke Yu armature fitting part come regulating relay contact open away from, extend relay electrical endurance.
Accompanying drawing explanation
Fig. 1 is the structural representation after the present invention removes pedestal；
Fig. 2 is the structural representation of pedestal of the present invention；
Fig. 3 is the front view of armature in Fig. 1；
Fig. 4 is the top view of Fig. 3；
Fig. 5 is the structural representation of yoke in Fig. 1；
Fig. 6 is yoke, the magnet steel fiting relation figure in pedestal；
Fig. 7 is a kind of working state figure of the present invention；
Fig. 8 is the another kind of working state figure of the present invention.
Detailed description of the invention
Below in conjunction with specific embodiments and the drawings, the present invention is further illustrated.
As shown in Figures 1 to 6, a kind of magnetic structure, including iron core 10, coil-winding 11, magnet steel 4, armature 2 and yoke 3,
Described iron core 10 and yoke 3 are relatively fixed setting, iron core 10 outer coiling coiling 11, magnet steel 4 be fixedly installed on iron core 10 and
Between yoke 3, armature 2 is strip, which is provided with recessed segmental arc 22, the bottom of this segmental arc 22 and magnet steel 4 top line
Contact, above armature 2, to arrange limited block 14 spacing for corresponding segmental arc 22, and limited block 14 bottom is the arc mated with segmental arc 22
Face, limited block 14 bottom coordinates with segmental arc 22 top movable, and armature 2 two ends are free end, respectively with iron core 10 top and yoke
Ferrum 3 top is corresponding.Described segmental arc 22 is arranged on the position kept right in the middle part of armature 2.
As shown in Figures 1 to 6, a kind of magnetic latching relay, it has above-mentioned magnetic structure, also includes pedestal 12, top
Lid 1, static contact spring piece 6, movable contact spring 9, stationary contact 7, movable contact 8, copper braided wire 5 and the sheet 13 that confluxes.Described pedestal 12 is cuboid
Structure, is provided with the cavity of top end opening in it, top cover 1 is arranged on pedestal 12 top open part.Described iron core 10, magnet steel 4 and yoke
Ferrum 3 is each attached in the cavity of pedestal 12, and limited block 14 is fixed on top cover 1 inwall, one end riveting that armature 2 is corresponding with magnet steel 4
Movable contact spring 9, the relative movable contact spring 8 of static contact spring piece 6 is arranged, and is correspondingly arranged movable contact 8 and stationary contact 7 on movable contact spring 8 and static contact spring piece 6.
Described movable contact spring 9 is connected with the sheet 13 that confluxes by copper braided wire 5, and described copper braided wire 5 is L-shaped.
Seeing Fig. 5 and Fig. 6, described yoke 3 includes base plate 35, connecting plate 36 and jointing plate 31, one end of described base plate 35
Being connected by one end of connecting plate 36 with jointing plate 31, described connecting plate 36 tilts laterally, and described base plate 35 is near connecting plate
The lateral symmetry of 36 one end offers stopper slot 32, and the base plate 36 between 2 stopper slots 32 is provided with 4 square spacing holes 34,
These 4 spacing holes 34 are positioned on the corner of same rectangle, and the other end of described base plate 35 offers riveted holes 33, at pedestal 12
Inner bottom part correspondence stopper slot 32 and spacing hole 34 are provided with cross spacing post 15 and longitudinal spacing post 16, and base plate 35 coordinates at pedestal 12
Inner bottom part, cross spacing post 15 is straight up through stopper slot 32, and longitudinal spacing post 16 is straight up through spacing hole 34, magnet steel
4 bottoms are placed between cross spacing post 15 and longitudinal spacing post 16 so that magnet steel 4 horizontal and vertical limited, iron core 10 end
End is riveted at riveted holes 33.
Above-mentioned armature 2 is spacing by magnet steel 4 and limited block 14 at vertical direction, and the contact point of armature 2 and magnet steel 4 is as propping up
Point, the two ends, left and right of armature 2 can swing up and down, thus realize armature 2 and fit with yoke 3 or fit with iron core 10.Armature 2 He
Magnet steel 4 is linear contact lay, and linear contact lay makes armature 2 to move at two as fulcrum, then the fulcrum of this linear contact lay is motion.
The magnetic structure of the present invention is simple, uses part few, and processing and manufacturing and assembling are simple, are conducive to improving production efficiency
With reduction production cost.The magnetic latching relay of prior art the most all uses two panels yoke could realize its function, and this
The most a piece of bright yoke achieves that magnetic keeps function.Further, since the two ends of armature are own end, the middle linear contact lay with magnet steel
Position is fulcrum, therefore can by the angle of shaping yoke Yu armature fitting part come regulating relay contact open away from, prolong
The electrical endurance of long relay.
The magnetic circuit method of work of above-mentioned magnetic latching relay, specific as follows: the magnetic field of described magnet steel 4, N pole is pushed up at magnet steel 4
End, S pole is in magnet steel 4 bottom.In the case of powering to coil-winding 11, armature 2 right-hand member pastes with the jointing plate 31 of yoke 3
Closing, now, the magnetic field of magnet steel 4 is returned to the S pole of magnet steel 4, little portion by the N pole of magnet steel 4 through armature 2 right-hand member, jointing plate 31, base plate 35
Point leakage field is through armature 2 left end and the gap of iron core 10, then returns to the S pole of magnet steel 4 through iron core 10 and base plate 35.
In the case of powering to coil-winding 11, if the magnetic field of coil-winding 11 electric current generation and magnet steel 4 phase in the same direction
Instead, i.e. the magnetic field of magnet steel 4 is that upper N extremely descends S pole, the magnetic field of coil-winding 11 to be that upper S extremely descends N pole (as shown in Figure 7), then armature 2
Can by the suction of iron core 10, when this suction more than magnet steel 4 to the retentivity of yoke 3 and armature 2 time, armature 2 is then by iron core 10
Adhesive.After armature 2 and iron core 10 adhesive, the magnetic field of magnet steel 4 is returned to magnet steel 4 by the N pole of magnet steel 4 through iron core 10, yoke base plate 35
S pole.If the magnetic field that coil-winding 11 electric current produces is the most identical with magnet steel 4, i.e. coil-winding magnetic field and magnet steel magnetic field are all
Be that upper N extremely descends S pole (as shown in Figure 8), then iron core 10 produces repulsive force to armature 2, when repulsive force more than magnet steel 4 to armature 2 He
During the retentivity of iron core 10, armature 2 is then arranged, armature 2 and yoke 3 adhesive.And so forth, the movable contact 8 of relay is driven
Contact with stationary contact 7 or disconnection.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any amendment, equivalent and the improvement etc. made within god and principle, should be included within the scope of the present invention.
Claims (4)
1. a magnetic structure, it is characterised in that: include iron core, coil-winding, magnet steel, armature and yoke, described iron core and yoke
Ferrum is relatively fixed setting, the outer coiling coiling of iron core, and magnet steel is fixedly installed between iron core and yoke, and armature is strip,
Which is provided with recessed segmental arc, the bottom of this segmental arc and magnet steel top linear contact lay, above armature, corresponding segmental arc is arranged
Limited block is spacing, and limited block bottom is the cambered surface mated with segmental arc, and limited block bottom coordinates with segmental arc top movable, armature
Two ends are free end, corresponding with iron core top and yoke top respectively.
2. a magnetic latching relay, including pedestal, top cover, static contact spring piece, movable contact spring, stationary contact and movable contact, it is characterised in that:
Including the magnetic structure described in claim 1, described pedestal is the cavity body structure of top end opening, and top cover is arranged on pedestal top and opens
At Kou, described iron core, magnet steel and yoke are each attached in pedestal, and limited block is fixed on top cover inwall, and armature is corresponding with magnet steel
One end connects movable contact spring, and static contact spring piece is arranged relative to movable contact spring, is correspondingly arranged movable contact and stationary contact on movable contact spring and static contact spring piece.
Magnetic latching relay the most according to claim 2, it is characterised in that: described yoke includes base plate, connecting plate and patch
Plywood, one end of described base plate is connected with one end of jointing plate by connecting plate, and described connecting plate tilts laterally, described base plate
Lateral symmetry near connecting plate one end offers stopper slot, and the base plate between 2 stopper slots is provided with 4 spacing holes, these 4
Spacing hole is positioned on the corner of same rectangle, and the other end of described base plate offers riveted holes, limits in pedestal inner bottom part correspondence
Position groove and spacing hole are provided with limited post, and base plate coordinates at pedestal inner bottom part, and limited post passes stopper slot and spacing hole straight up,
Magnet steel bottom is placed between limited post limited, and iron core bottom is riveted at riveted holes.
4. a magnetic circuit method of work for magnetic latching relay, described magnetic latching relay is the relay described in Claims 2 or 3
Device, it is characterised in that:
In the case of not powering to coil-winding, armature and yoke are fitted, now, the magnetic field of magnet steel by the N pole of magnet steel through rank
Ferrum, yoke return to the S pole of magnet steel, and fraction leakage field is through armature and the gap of iron core, then returns to the S of magnet steel through iron core and yoke
Pole；
In the case of powering to coil-winding, if the magnetic field that coil-winding electric current produces is the most contrary with magnet steel, then armature
Can by the suction of iron core, when this suction more than magnet steel to the retentivity of yoke and armature time, armature is then by iron core adhesive；Armature
After iron core adhesive, the magnetic field of magnet steel is returned to the S pole of magnet steel by the N pole of magnet steel through iron core, yoke；
If the magnetic field that coil-winding electric current produces is the most identical with magnet steel, then iron core produces repulsive force to armature, works as repulsive force
During more than magnet steel to the retentivity of armature and iron core, armature is then arranged, armature and yoke adhesive；And so forth, relay is driven
The contact component of device cut-offs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610785122.5A CN106328446A (en) | 2016-08-31 | 2016-08-31 | Magnetic latching relay, magnetic circuit structure and work method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610785122.5A CN106328446A (en) | 2016-08-31 | 2016-08-31 | Magnetic latching relay, magnetic circuit structure and work method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106328446A true CN106328446A (en) | 2017-01-11 |
Family
ID=57789202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610785122.5A Pending CN106328446A (en) | 2016-08-31 | 2016-08-31 | Magnetic latching relay, magnetic circuit structure and work method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106328446A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108878220A (en) * | 2017-05-09 | 2018-11-23 | 浙江正泰电器股份有限公司 | Magnetic latching relay |
| CN109830408A (en) * | 2019-03-29 | 2019-05-31 | 苏州吉控电器有限公司 | Magnetic latching relay |
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| CN201754389U (en) * | 2010-08-17 | 2011-03-02 | 东莞市三友联众电器有限公司 | Magnetic latching relay |
| CN201838418U (en) * | 2010-09-02 | 2011-05-18 | 乐清市广威电子有限公司 | Magnetic latching magnetic circuit system |
| CN103295847A (en) * | 2012-03-01 | 2013-09-11 | 德昌电机(深圳)有限公司 | Driving device and relay provided with same |
| CN103489717A (en) * | 2013-08-27 | 2014-01-01 | 厦门宏发电声股份有限公司 | Clapper-type double-magnetic circuit magnetic latching relay |
| US20150042423A1 (en) * | 2012-03-30 | 2015-02-12 | Phoenix Contact Gmbh & Co. Kg | Relay Having Two Switches That Can Be Actuated In Opposite Directions |
| CN104364870A (en) * | 2012-06-11 | 2015-02-18 | 雷比诺有限公司 | Electrical switching apparatus and relay including a ferromagnetic or magnetic armature having a tapered portion |
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201112292Y (en) * | 2007-06-06 | 2008-09-10 | 浙江中孚电子有限公司 | Magnetic retaining relay for controlling |
| CN201754389U (en) * | 2010-08-17 | 2011-03-02 | 东莞市三友联众电器有限公司 | Magnetic latching relay |
| CN201838418U (en) * | 2010-09-02 | 2011-05-18 | 乐清市广威电子有限公司 | Magnetic latching magnetic circuit system |
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| US20150042423A1 (en) * | 2012-03-30 | 2015-02-12 | Phoenix Contact Gmbh & Co. Kg | Relay Having Two Switches That Can Be Actuated In Opposite Directions |
| CN104364870A (en) * | 2012-06-11 | 2015-02-18 | 雷比诺有限公司 | Electrical switching apparatus and relay including a ferromagnetic or magnetic armature having a tapered portion |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108878220A (en) * | 2017-05-09 | 2018-11-23 | 浙江正泰电器股份有限公司 | Magnetic latching relay |
| CN108878220B (en) * | 2017-05-09 | 2024-04-19 | 浙江正泰电器股份有限公司 | Magnetic latching relay |
| CN109830408A (en) * | 2019-03-29 | 2019-05-31 | 苏州吉控电器有限公司 | Magnetic latching relay |
| CN109830408B (en) * | 2019-03-29 | 2023-11-10 | 安徽吉控电器有限公司 | Magnetic latching relay |
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Application publication date: 20170111 |