CN105679612B - A kind of synchronous switch magnetic latching relay - Google Patents
A kind of synchronous switch magnetic latching relay Download PDFInfo
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- CN105679612B CN105679612B CN201610151354.5A CN201610151354A CN105679612B CN 105679612 B CN105679612 B CN 105679612B CN 201610151354 A CN201610151354 A CN 201610151354A CN 105679612 B CN105679612 B CN 105679612B
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- reed
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- moving
- shrapnel
- movable plate
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 39
- 235000014676 Phragmites communis Nutrition 0.000 claims abstract description 41
- 238000005452 bending Methods 0.000 claims description 30
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 230000009471 action Effects 0.000 description 7
- 238000010891 electric arc Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
- H01H50/56—Contact spring sets
- H01H50/58—Driving arrangements structurally associated therewith; Mounting of driving arrangements on armature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electromagnets (AREA)
Abstract
The invention discloses a kind of synchronous switch magnetic latching relay, including relay base, stationary plate component is equipped in relay base and is connect with stationary plate component touch movable plate component.Movable plate component includes：Movable plate, push card and reed of moving, the one end for reed of moving are fixedly connected with movable plate, and the other end for reed of moving can be moved back and forth by push card drive.Positioning straight slot is offered on movable plate, push card is installed on positioning straight slot.Push card includes connecting pin and promote-side, and connecting pin is equipped with limited bayonet, and promote-side offers promotion straight slot, and push card is connect by limited bayonet with reed of moving.Reed of moving is equipped with movable contact, and movable contact is provided close to move on one end that reed moves back and forth.The synchronous switch magnetic latching relay of the present invention, it is possible to reduce relay actuation time and the time for being attracted rebound, to improve the consistency of relay actuation time, the relay made meets the requirement of synchronous switch performance.
Description
Technical field
The present invention relates to relay technical fields, more particularly to a kind of synchronous switch magnetic latching relay.
Background technology
The principle of synchronous switch is that switching is carried out before the zero crossing of alternating current, makes the contact of magnetic latching relay in electricity
It is closed just at the time of pressing through zero, realizes the no-flashy-flow input of capacitor；Premature excision magnetic is protected before the zero crossing of electric current
Relay is held, magnetic latching relay is made just to be disconnected in current zero-crossing point, realizes being cut off without electric arc for capacitor.
Influence of the magnetic latching relay to synchronous switch performance is mainly manifested in two aspects：1, in contact closure process
In, due to the constantly reduction of contact spacing so that dielectric strength is insufficient, generate arc through phenomenon, i.e. electric arc pre-burning phenomenon；2、
In the disconnection process of contact, contact distance increases to enough dielectric strengths and generates electric arc and rekindle not yet, i.e. electric arc weight
Fire phenomenon.Electric arc pre-burning causes the Mechanical Contact state of the conducting and cut-out and contact of circuit inconsistent with arc reignition phenomenon,
The performance of strong influence synchronous switch.
Traditional magnetic latching relay needs several milliseconds to more than ten milliseconds of delay time from action is issued a signal in place, is
The safety action time meets the requirements, the relay of existing producer's production mostly use the magnetic force for reducing relay magnet steel and shorten after
Electric appliance actuating length achieves the goal.Magnetic latching relay needs certain contact force just to can guarantee that contact is stablized, and
Reduce relay magnet steel magnetic force can then reduce contact force, have at work and armature component pushed open by electromagnetic repulsion force, cause after
Appliance contact wrong diagnosis is opened, and arcing burns contact, keeps relay entirely ineffective.And shorten method or the reduction of relay stroke
Spacing between contact reduces dielectric strength；The drop being just reduction of between contact influences the service life of relay.
Invention content
The purpose of the present invention is overcoming shortcoming in the prior art, a kind of synchronous switch magnetic holding relay is provided
Device reduces relay actuation time and is attracted and knock-ons, and to increase relay actuation time consistency, so that relay is met and synchronizes
Switch performance requirement.
The purpose of the present invention is achieved through the following technical solutions：
A kind of synchronous switch magnetic latching relay, including relay base are equipped with stationary plate in the relay base
Component and the movable plate component being connect with the stationary plate component touch；
The movable plate component includes：Movable plate, push card and reed of moving, one end of the reed of moving and the movable plate are solid
The other end of fixed connection, the reed of moving can be moved back and forth by push card drive；
Positioning straight slot is offered on the movable plate, the push card is installed on the positioning straight slot；
The push card includes connecting pin and promote-side, and the connecting pin is equipped with limited bayonet, and the promote-side opens up
There are promotion straight slot, the push card to be connect with the reed of moving by the limited bayonet；
The reed of moving is equipped with movable contact, and the movable contact is provided close to described move what reed moved back and forth
On one end.
As a preferred embodiment of the present invention, the reed of moving includes the first spring of overlapped setting successively
One surface of piece, second spring piece and third spring leaf, the third spring leaf is contacted with movable plate mutual cooperation.
As a preferred embodiment of the present invention, the middle part of first spring leaf and the second spring piece is bending-type
Structure, the third spring leaf are straight chip type structure.
As a preferred embodiment of the present invention, the third spring leaf is equipped with shrapnel and fixes bending angle and shrapnel extruding
Flanging, the shrapnel fix bending angle and squeeze flanging set on one end that the third spring leaf moves back and forth with the shrapnel
On.
As a preferred embodiment of the present invention, the third spring leaf is fixed bending angle by the shrapnel and is pushed away with described
Dynamic card connection, the shrapnel squeeze flanging close to the surface of the movable plate, and the shrapnel is fixed bending angle and squeezed with the shrapnel
The dog-ear direction of flanging is identical.
As a preferred embodiment of the present invention, the stationary plate component includes stationary plate and the stationary contact on the stationary plate
Point, the stationary contact are connected with the movable contact.
As a preferred embodiment of the present invention, electromagnetic assembly and permanent-magnet component are also equipped in the relay base.
As a preferred embodiment of the present invention, the electromagnetic assembly includes：First yoke, the second yoke and set on described
Coil between first yoke and second yoke.
As a preferred embodiment of the present invention, the permanent-magnet component includes fixed frame and rotational installation in the fixed frame
On permanent-magnet steel, the push card passes through the promotion straight slot and the permanent-magnet steel and is drivingly connected.
Compared with prior art, the present invention has the following advantages：
1, the snap-in design that synchronous switch magnetic latching relay of the invention passes through push card and reed of moving so that
Reed of moving locates relatively fixed position always with push card, so that push card action consistency is improved, to improve synchronous switch
With the consistency of magnetic latching relay actuation time.
2, synchronous switch magnetic latching relay of the invention squeezes the effect of flanging by the shrapnel of third spring leaf, increases
Suffered elastic force when synchronous switch magnetic latching relay having been added to be in open position, to improve the speed for being attracted response.
3, the reed of moving of synchronous switch magnetic latching relay of the invention is using three pieces shrapnel and push card cooperation
Design so that the stationary contact resistance suffered when contacting rebound with movable contact greatly improves so that the amplitude reduction of rebound returns
The jump time shortens, and meets the requirement of synchronous switch.
Description of the drawings
Fig. 1 is the internal structure chart of the synchronous switch magnetic latching relay of one embodiment of the invention；
Fig. 2 is the structure chart of the movable plate component of the synchronous switch magnetic latching relay of Fig. 1；
Fig. 3 is the schematic diagram at another visual angles Fig. 2；
Fig. 4 is the schematic diagram at another visual angles Fig. 2；
Fig. 5 is the structure chart of the third spring leaf in Fig. 2.
Specific implementation mode
Present invention will now be described in further detail with reference to the embodiments and the accompanying drawings, but embodiments of the present invention are unlimited
In this.
As shown in Figure 1, the internal structure chart of the synchronous switch magnetic latching relay 10 for one embodiment of the invention, a kind of
Synchronous switch magnetic latching relay 10, including relay base 100, be equipped in relay base 100 stationary plate component 200 and
The movable plate component 300 connected with stationary plate component 200.Electromagnetic assembly 400 and permanent magnetism group are also equipped in relay base 100
Part 500.
As shown in Fig. 2, movable plate component 300 includes：Movable plate 310, push card 320 and reed 330 of moving, reed 330 of moving
One end be fixedly connected with movable plate 310, the other end of reed 330 of moving can be moved back and forth by the drive of push card 320.
In conjunction with shown in Fig. 2 to Fig. 4, positioning straight slot 311 is offered on movable plate 310, push card 320 is installed on positioning straight slot
On 311.
Push card 320 includes connecting pin 321 and promote-side 322, and connecting pin 321 is equipped with limited bayonet 321a, promote-side
322 offer promotion straight slot 322a, and push card 320 is connect by limited bayonet 321a with reed 330 of moving.
Reed 330 of moving includes the first spring leaf 331, second spring piece 332 and the third bullet of overlapped setting successively
One surface of reed 333, third spring leaf 333 is contacted with the mutual cooperation of movable plate 310.It moves and is additionally provided with movable contact on reed 330
334, movable contact 334 is provided close to move on one end that reed 330 moves back and forth.
As shown in figure 3, the middle part of the first spring leaf 331 and second spring piece 332 is bending-type structure, third spring leaf
333 be straight chip type structure.
It is noted that the operation principle of synchronous switch makes it produce very high requirement to being attracted bounce time, and return
The generation of jump from contact hit at the time of contact caused by spring back.When being sprung back, the change for the reed 330 that can cause to move
Shape can cause that shrapnel deformation is big, returns in this way if reed 330 of moving at this time is only provided by a piece of shrapnel to the oppressive force of rebound
The big result of bullet.In the present invention, reed 330 of moving is connect using three pieces shrapnel with push card 320, in stationary contact 220 and is moved
When contact 334 contacts, push card can also contact, in this way other than it can be contacted with third spring leaf 333 with second spring piece 332
Suffered oppressive force can become much larger when rebound, under the action of identical impact force, the reed 330 of moving designed by the present invention
The deformation of generation can be smaller, and rebound can also become smaller, and the rebound time in this way will reduce.
In conjunction with shown in Fig. 2 to Fig. 4, the first spring leaf 331 is equipped with the first fixation bending that cooperation is connect with push card 320
Angle 331a and second fixes bending angle 331b, first fix bending angle 331a and the second fixation bending angle 331b respectively with push card
Connecting pin both sides secure fit, first fix bending angle 331a with second fixation the direction of bending angle 331b bendings it is identical,
One end that second spring piece 332 is connect with push card 320 is straight chip type structure.
As shown in figure 5, third spring leaf 333 is equipped with, shrapnel fixes bending angle 333a and shrapnel squeezes flanging 333b, bullet
Piece fixes bending angle 333a and squeezes flanging 333b on one end that third spring leaf 333 moves back and forth with shrapnel.Third
Spring leaf 333 is fixed bending angle 333a by shrapnel and is connect with push card 320, and shrapnel squeezes flanging 333b close to movable plate 310
Surface, it is identical as the dog-ear direction of shrapnel extruding flanging 333b that shrapnel fixes bending angle 333a.
It is noted that push card 320 is the first fixation bending angle 331a and the second fixation on the first spring leaf 331
Bending angle 331b is fixed by the first spring leaf 331 with the shrapnel on third spring leaf 333 to carry out the fixation of front and back position
Bending angle 333a's coordinates to carry out the fixation of upper and lower position.Make push card 320 only can be one by this fixed form
It is movable in a smaller range, therefore the action form of push card 320 can be fixed up.
Above structure can be described as the snap-in structure of push card 320 and reed 330 of moving, the design of this snap-in structure
Be advantageous in that, by the cooperation of move reed 330 and push card 320, thoroughly limit the left and right of push card 320 with it is upper and lower
Scope of activities.In addition, since the shrapnel on third spring leaf 333 fixes the design of bending angle 333a so that push card 320 is always
There are an oppressive forces, so no matter how push card 320 is moved, the position of push card 320 and third spring leaf 333 is all
Relatively determine, to the stability of the compressed position and compressing amount of third spring leaf 333 when to ensure that it does mechanical action,
So that the consistency that synchronous switch is acted with magnetic latching relay 10 is very high.
Unique design about third spring leaf 333, it is to be noted that, synchronous switch is being carried out with magnetic latching relay 10
It, can be suffered under the collective effect of two kinds of power by the elastic force of reed 330 and the electromagnetic force of generation of moving in attracting process
Power is bigger, and synchronous switch is naturally faster with the speed that magnetic latching relay 10 is attracted.As shown in figure 5, on third spring leaf 333
Flanging 333b is squeezed equipped with shrapnel so that for stationary contact 220 with movable contact 334 in open position, shrapnel squeezes flanging 333b meetings
It is contacted with the surface of movable plate 310, to generate prodigious elastic force, such synchronous switch is with magnetic latching relay 10 in attracting process
In, suffered power will greatly improve, to make the speed of actuation improve, so being attracted the required time will be reduced.
When synchronous switch magnetic latching relay 10, which is in, is closed stable state, shrapnel squeezes flanging 333b and movable plate
310 separation a certain distance are touched when synchronous switch carries out release movement with magnetic latching relay 10 from stationary contact 220 with dynamic
Point 334 is completely attached to during being fully disconnected, and shrapnel squeezes flanging 333b with movable plate 310 not in contact with thus will not be right
Synchronous switch is had an impact with the release of the magnetic latching relay 10 required time.
Referring to Fig. 1, stationary plate component 200 includes stationary plate 210 and the stationary contact 220 on stationary plate 210, stationary contact
220 connect with movable contact 334.
Electromagnetic assembly 400 includes：First yoke 410, the second yoke 420 and be set to the first yoke 410 and the second yoke 420
Between coil 430.
Permanent-magnet component 500 includes fixed frame 510 and rotational installation in the permanent-magnet steel 520 on fixed frame 510, push card 320
By pushing straight slot 322a to be drivingly connected with permanent-magnet steel 520.
Compared with prior art, the present invention has the following advantages：
1, synchronous switch magnetic latching relay 10 of the invention passes through push card 320 and the snap-in of reed 330 that move
Design so that reed 330 of moving locates relatively fixed position always with push card 320, and 320 action consistency of push card is made to carry
Height, to improve the consistency of 10 actuation time of synchronous switch magnetic latching relay.
2, synchronous switch of the invention squeezes flanging 333b with magnetic latching relay 10 by the shrapnel of third spring leaf 333
Effect, increase the elastic force that synchronous switch magnetic latching relay 10 is in suffered when open position, to improve be attracted
The speed of response.
3, the reed 330 of moving of synchronous switch magnetic latching relay 10 of the invention uses three pieces shrapnel and push card
The design of 320 cooperations so that the resistance suffered when contacting rebound with movable contact 334 of stationary contact 220 greatly improves so that returns
The amplitude reduction of bullet, bounce time shorten, and meet the requirement of synchronous switch.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, it is other it is any without departing from the spirit and principles of the present invention made by changes, modifications, substitutions, combinations, simplifications,
Equivalent substitute mode is should be, is included within the scope of the present invention.
Claims (4)
1. a kind of synchronous switch magnetic latching relay, which is characterized in that including relay base, peace in the relay base
The movable plate component being connect equipped with stationary plate component and with the stationary plate component touch；
The movable plate component includes：Movable plate, push card and reed of moving, one end of the reed of moving is fixed with the movable plate to be connected
It connects, the other end of the reed of moving can be moved back and forth by push card drive；
Positioning straight slot is offered on the movable plate, the push card is installed on the positioning straight slot；
The push card includes connecting pin and promote-side, and the connecting pin is equipped with limited bayonet, and the promote-side, which offers, to push away
Dynamic straight slot, the push card are connect by the limited bayonet with the reed of moving；
The reed of moving is equipped with movable contact, and the movable contact is provided close to one end that the reed of moving moves back and forth
On；
The reed of moving includes the first spring leaf, second spring piece and third spring leaf of overlapped setting successively, described
One surface of third spring leaf is contacted with movable plate mutual cooperation；
The middle part of first spring leaf and the second spring piece is bending-type structure, and the third spring leaf is straight chip type knot
Structure；
The third spring leaf, which is equipped with shrapnel, to be fixed bending angle and shrapnel and squeezes flanging, the shrapnel fix bending angle with it is described
Shrapnel squeezes flanging and is set on one end that the third spring leaf moves back and forth；
The third spring leaf is fixed bending angle by the shrapnel and is connect with the push card, and it is close that the shrapnel squeezes flanging
The surface of the movable plate, it is identical as the shrapnel extruding dog-ear direction of flanging that the shrapnel fixes bending angle；
First spring leaf is equipped with the first fixation bending angle and the second fixation bending angle that cooperation is connect with the push card,
Described first fix bending angle with described second fix bending angle respectively with the both sides secure fit of the connecting pin of the push card,
The first fixation bending angle is identical as the second fixation direction of bending angle bending, the second spring piece and the promotion
One end of card connection is straight chip type structure；
The stationary plate component includes stationary plate and the stationary contact on the stationary plate, and the stationary contact contacts company with the movable contact
It connects.
2. synchronous switch magnetic latching relay according to claim 1, which is characterized in that in the relay base also
Electromagnetic assembly and permanent-magnet component are installed.
3. synchronous switch magnetic latching relay according to claim 2, which is characterized in that the electromagnetic assembly includes：
First yoke, the second yoke and the coil between first yoke and second yoke.
4. synchronous switch magnetic latching relay according to claim 2, which is characterized in that the permanent-magnet component includes solid
Frame and rotational installation are determined in the permanent-magnet steel on the fixed frame, and the push card is driven by the promotion straight slot and the permanent-magnet steel
Dynamic connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610151354.5A CN105679612B (en) | 2016-03-16 | 2016-03-16 | A kind of synchronous switch magnetic latching relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610151354.5A CN105679612B (en) | 2016-03-16 | 2016-03-16 | A kind of synchronous switch magnetic latching relay |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105679612A CN105679612A (en) | 2016-06-15 |
| CN105679612B true CN105679612B (en) | 2018-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610151354.5A Active CN105679612B (en) | 2016-03-16 | 2016-03-16 | A kind of synchronous switch magnetic latching relay |
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| CN (1) | CN105679612B (en) |
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|---|---|---|---|---|
| CN201584379U (en) * | 2009-11-12 | 2010-09-15 | 厦门宏发电力电器有限公司 | Magnetic latching relay |
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| CN202996731U (en) * | 2012-12-28 | 2013-06-12 | 厦门宏发电力电器有限公司 | Magnetic latching relay with stagger cooperation between push block and movable spring |
| CN104037026A (en) * | 2014-06-30 | 2014-09-10 | 惠州亿纬锂能股份有限公司 | Magnetic latching relay |
| CN204102816U (en) * | 2014-09-23 | 2015-01-14 | 东莞市三友联众电器有限公司 | A kind of have the magnetic latching relay contact system reducing closed bouncing time |
| CN205542622U (en) * | 2016-03-16 | 2016-08-31 | 惠州亿纬科技有限公司 | Magnetic latching relay for synchro switch |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10162585C1 (en) * | 2001-12-19 | 2003-04-24 | Gruner Ag | Electrical relay has auxiliary spring acting on switched contact spring in closed contact position for reducing rebound |
| JP2013041764A (en) * | 2011-08-17 | 2013-02-28 | Panasonic Corp | Contact device and electromagnetic relay using contact device |
| CN202816810U (en) * | 2012-08-30 | 2013-03-20 | 海盐众信电子有限公司 | Moving reed assembly of magnetic latching relay |
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2016
- 2016-03-16 CN CN201610151354.5A patent/CN105679612B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201584379U (en) * | 2009-11-12 | 2010-09-15 | 厦门宏发电力电器有限公司 | Magnetic latching relay |
| CN202423142U (en) * | 2012-01-16 | 2012-09-05 | 浙江朗万电气科技有限公司 | Hinge-type driving mechanism applicable to magnetic latching relay |
| CN202930332U (en) * | 2012-09-11 | 2013-05-08 | 浙江亿德科技有限公司 | Magnetic latching relay |
| CN202996728U (en) * | 2012-11-14 | 2013-06-12 | 上海亚银电器制造有限公司 | Soft contact structure of contact of relay |
| CN202996731U (en) * | 2012-12-28 | 2013-06-12 | 厦门宏发电力电器有限公司 | Magnetic latching relay with stagger cooperation between push block and movable spring |
| CN104037026A (en) * | 2014-06-30 | 2014-09-10 | 惠州亿纬锂能股份有限公司 | Magnetic latching relay |
| CN204102816U (en) * | 2014-09-23 | 2015-01-14 | 东莞市三友联众电器有限公司 | A kind of have the magnetic latching relay contact system reducing closed bouncing time |
| CN205542622U (en) * | 2016-03-16 | 2016-08-31 | 惠州亿纬科技有限公司 | Magnetic latching relay for synchro switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105679612A (en) | 2016-06-15 |
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Address after: No. 7, Building 19, Phase I Villa, Shibang Wetland Park, Dongga Town, Duilongdeqing District, Lhasa City, Tibet Autonomous Region, 851400 Patentee after: Tibet Yiwei Holding Co.,Ltd. Address before: 516003 No.03, 18 / F, fuligang Central Hotel, No.2 Dongjiang 2nd Road, Jiangbei, Huicheng District, Huizhou City, Guangdong Province Patentee before: HUIZHOU EVE HOLDING Co.,Ltd. |
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