CN102087932B - Magnetic latching relay with symmetrical transmission structure - Google Patents
Magnetic latching relay with symmetrical transmission structure Download PDFInfo
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- CN102087932B CN102087932B CN 201010595981 CN201010595981A CN102087932B CN 102087932 B CN102087932 B CN 102087932B CN 201010595981 CN201010595981 CN 201010595981 CN 201010595981 A CN201010595981 A CN 201010595981A CN 102087932 B CN102087932 B CN 102087932B
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- driving member
- push card
- relay
- rotating shaft
- latching relay
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Abstract
The invention discloses a magnetic latching relay with a symmetrical transmission structure, which comprises a pushing part. The pushing part comprises an armature part, a transmission piece and a pushing clamp. One end of the transmission piece is clamped in a clamping groove at one end of the pushing clamp. The other end of the pushing clamp is matched with a movable spring assembly. The transmission piece rotates around an axle center, which passes through the clamping groove of the pushing clamp matched with the transmission piece from an action state to a return state of the relay, is positioned at the middle point of the displacement in the effective movement direction and is vertical to any point on a straight line in the effective movement direction. The axle center is provided with a rotating shaft. The rotating shaft is positioned and arranged on a shell. The other end of the transmission piece is matched with the armature part. After the magnetic latching relay adopts the structure, for a cantilever rotating magnetic circuit, the problem of unbalance of mechanical parameters in the actuating and return states of the relay in the actuating and return states, which is caused by displacement of the pushing clamp in the ineffective movement direction, can be solved, and the performance stability of a product is promoted; and for a direct-action type magnetic circuit, the aim of solving the problem on relation between the capacity and the volume of the relay so as to make the structure of the product more compact and make performance of the product more stable is fulfilled.
Description
Technical field
The present invention relates to a kind of electromagnetic relay, particularly relate to a kind of magnetic latching relay with symmetrical transmission mechanism.
Background technology
Magnetic latching relay is a kind of new type of relay that grew up in recent years, also is a kind of automatic switch.The same with other electromagnetic relays, circuit is played automatic connection and cutting action.Difference is that magnetic latching relay is after removing energizing quantity, a kind of bistable relay of state when still keeping excitation.
The structure of existing magnetic latching relay is comprised of magnetic circuit system, contact system, pushing portion and housing usually.Magnetic circuit system comprises magnetic conductive part (yoke, iron core class) and coil, and contact system comprises movable spring assembly and quiet spring assembly, and pushing portion comprises armature part and push card.Relay coil leads to direct impulse, magnetic circuit system work, the closing of contact, the actuating of relay; Coil leads to reverse impulse, magnetic circuit system work, and the contact disconnects, the relay involution.Relay uses two kinds of structures usually.A kind of is as shown in Figure 1 cantilever type rotating magnetic circuit relay, this magnetic latching relay comprise yoke 11 ', armature part 12 ', coil 13 ', movable spring assembly 14 ', quiet spring assembly 15 ' and push card 16 ', this armature part 12 ' injection molded by two blocks of armature and magnetic material.Armature part 12 ' bar section 121 ' with push card 16 ' clamping.Push card 16 ' with movable spring assembly 14 ' cooperate.Armature part 12 ' take rotating shaft 120 ' as axle center rotation.Rotating shaft 120 ' position is fixed.After the relay coil energising, under the effect of electromagnetic field, armature part 12 ' 120 ' rotation around the axle center, armature part 12 ' bar section 121 ' drives push card 16 ', push card 16 ' drives movable spring assembly 14 ', the relay realization is moved or involution.Armature part 12 ' bar section 121 ' with the draw-in groove 10 of push card 16 ' clamping ' movement locus asymmetric about y direction, push card 16 ' on horizontal and vertical, displacement is arranged, magnetic circuit system be applied to push card 16 ' the arm of force different in size, namely among the figure apart from a ' and distance b ' unequal, make the mechanical parameter of relay pushing mechanism in action, involution process asymmetric, the pull-off force of final influencing contactor, cause that electric parameter is uneven, increase power consumption and cause the performance of relay very unstable.Another kind is Direct Action Type magnetic circuit relay as shown in Figure 2, this magnetic latching relay comprise yoke 21 ', armature part 22 ', coil 23 ', movable spring assembly 24 ', quiet spring assembly 25 ', as the armature of pushing portion part and the synthetic part of push card.This armature part 22 ' formed by two blocks of armature and magnetic material plastic packaging, push card 26 ' with a part of armature part 22 ' synthesize.Push card 26 ' be provided with trepanning 261 ', movable spring assembly 24 ' be enclosed within trepanning 261 ' on.It is armature part 22 ' directly drive movable spring assembly 24 ' do linearly operating.The stroke of this magnetic circuit movable spring assembly equals armature part 22 ' straight-line stroke, that is to say contact gap.Requirement of withstand voltage is higher between the relay break contact, and contact gap is larger, uses the relay of this kind magnetic structure, and overall dimension is larger, and with the large capacity of present requirement, the development trend of small size is disagreed.
Summary of the invention
The object of the invention is to overcome the deficiency of prior art, a kind of magnetic latching relay of symmetrical transmission structure is provided, by between armature part and push card, symmetrical transmission mechanism being set, magnetic latching relay for the cantilever type rotating magnetic circuit, can solve relay in action, involution process, because of the unbalanced problem of mechanical parameter that the displacement of push card on y direction causes, reach the purpose of improving product stability; Adopt the symmetrical expression drive mechanism, for solving Direct Action Type magnetic circuit relay, can reduce overall dimension, meet the development trend of the large capacity of relay, small size.
The technical solution adopted for the present invention to solve the technical problems is: a kind of magnetic latching relay of symmetrical transmission structure comprises magnetic circuit part, contact portion, pushing portion and housing; This magnetic circuit part comprises magnetic conductive part (yoke, iron core class) and coil; This contact portion comprises movable spring assembly and quiet spring assembly; This pushing portion comprises armature part, driving member and push card; Driving member one end is connected in the draw-in groove of push card one end, and the push card other end matches with movable spring assembly; This driving member with the draw-in groove of crossing the push card be mated from actuating of relay state to the involution state, the mid point of the displacement on the effective exercise direction, and rotate as the axle center perpendicular to arbitrfary point on the straight line of effective exercise direction, this place, axle center arranges rotating shaft, and this rotating shaft location and installation is on housing; The driving member other end partly cooperates with armature; Described effective exercise direction is the direction perpendicular to the fixed contact surface.
Described driving member with the draw-in groove of crossing the push card be mated from actuating of relay state to the involution state, the mid point of the displacement on the effective exercise direction, and on the straight line perpendicular to the effective exercise direction, remove any point of the intersection point that partly matches with push card and armature and rotate as the axle center.
Described driving member is straight rod-shaped; The rotating shaft of driving member is positioned at the top of armature part and driving member cooperation position, or is positioned at the below of armature part and driving member cooperation position.
Described driving member is L shaped, and the rotating shaft of armature part and the rotating shaft of driving member are positioned on same level line or the same vertical curve.
One end of described driving member is connected in the draw-in groove of described push card one end, and the driving member other end partly matches with armature.The draw-in groove of driving member and push card clamping is the movement locus to the involution state from actuating of relay state, and is symmetrical about the straight line perpendicular to the effective exercise direction in the axle center of crossing driving member.
The invention has the beneficial effects as follows, owing to adopting symmetrical transmission structure at magnetic latching relay, magnetic latching relay for the cantilever type rotating magnetic circuit, can solve relay from operate condition to the involution state, the displacement of push card on the non-effective direction of motion (the vertical line direction of effective exercise direction), in action, in the involution process, the asymmetric problem of the mechanical parameter of pushing mechanism, thus promoted the stability of properties of product; For the magnetic latching relay of Direct Action Type magnetic circuit, can solve the relation of capacity and relay volume, make that product structure is compacter, performance is more stable.
Below in conjunction with drawings and Examples the present invention is described in further detail; But the magnetic latching relay of a kind of symmetrical transmission structure of the present invention is not limited to embodiment.
Description of drawings
Fig. 1-A is the schematic diagram of operate condition of one group of open type contact magnetic latching relay of the cantilever type rotating magnetic circuit of prior art;
Fig. 1-B is the schematic diagram of involution state of one group of open type contact magnetic latching relay of the cantilever type rotating magnetic circuit of prior art;
Fig. 2 is the partial schematic diagram of magnetic latching relay of the Direct Action Type magnetic circuit of prior art;
Fig. 3 is the partial schematic diagram of one group of open type contact magnetic latching relay extreme position of embodiment one Direct Action Type magnetic circuit of the present invention;
Fig. 4 is the partial schematic diagram of one group of open type contact magnetic latching relay extreme position of embodiment two cantilever type magnetic circuits of the present invention;
Fig. 5-A is the schematic diagram of operate condition of the conversion hysteria contact magnetic latching relay of embodiment two cantilever type rotating magnetic circuits of the present invention;
Fig. 5-B is the schematic diagram of involution state of the conversion hysteria contact magnetic latching relay of embodiment two cantilever type rotating magnetic circuits of the present invention;
Fig. 5-C is the conversion hysteria contact magnetic latching relay operate condition of embodiment two cantilever type rotating magnetic circuits of the present invention and the schematic diagram of the point midway that the involution state is changed.
Embodiment
Embodiment one, referring to shown in Figure 3, the magnetic latching relay of a kind of symmetrical transmission structure of the present invention comprises magnetic circuit part, contact portion, pushing portion and housing, magnetic circuit part and contact portion respectively correspondence are contained on the housing, and pushing portion connects magnetic circuit part and contact portion; This magnetic circuit part comprises yoke 31 and coil 33; This contact portion comprises movable spring assembly 34 and quiet spring assembly 35; This pushing portion comprises armature part 32, driving member 37 and push card 36.Push card 36 1 ends are provided with draw-in groove 361, and an end 371 of driving member 37 is connected in the draw-in groove 361 of push card, and push card 36 other ends are provided with draw-in groove 362, and movable spring assembly 34 is connected in the push card draw-in groove 362.Armature part 32 is with bar section structure 321, and bar section structure 321 is provided with trepanning 3211, and driving member 37 other ends 372 are enclosed within the trepanning 3211.Driving member 37 is take rotating shaft 373 as axis swing.Rotating shaft 373 is fixed on the housing.Rotating shaft 373 with the draw-in groove 361 of crossing push card 36 from actuating of relay state to the involution state, the mid point of the displacement on the effective exercise direction, and perpendicular to any point on the straight line of effective exercise direction.Wherein the fixed contact Surface Vertical is in the X-axis (being horizontal line) of this figure, and the direction of effective exercise is the X-direction along this figure.On the Y-axis line (vertical curve) of rotating shaft 373 with draw-in groove 361 mid point of the X-direction top offset to the involution state from actuating of relay state of mistake push card 36, any point except the intersection point of driving member 37 and push card 36 and armature part 32.
In the present embodiment, one end 371 of driving member 37 is connected in the draw-in groove 361 of described push card one end, the other end 372 of driving member partly matches with described armature, and the position that the position of matching with driving member 37 and push card 36 in the position of described rotating shaft 373 and driving member 37 and armature part 32 match does not overlap.
Wherein:
Described push card 36 matches with an end 371 clampings of driving member 37 by draw-in groove 361, and push card 36 matches with described movable spring assembly 34 clampings by the draw-in groove 362 of the other end;
The present embodiment is that driving member is applied in the magnetic latching relay of Direct Action Type magnetic circuit.
Described armature part 32 comprises by two blocks of armature and magnetic material plastic packaging and forming, and bar section structure 321 is arranged.Bar section structure 321 is provided with trepanning 3211, and driving member 37 is enclosed within the trepanning 3211.The position of trepanning 3211 does not overlap with rotating shaft 373 positions of driving member 37.
The draw-in groove 361 of push card 36 is the movement locus to the involution state from actuating of relay state, and is symmetrical about the Y-axis in the axle center of crossing driving member 37.
The magnetic latching relay of a kind of symmetrical transmission structure of the present invention, identical in magnetic structure and relay operation principle and the prior art.
In the present embodiment, driving member adopts the direct rod shape structure, and the position of the rotating shaft 373 of driving member 37 is positioned at the top of driving member 37 and armature part cooperation position.Certainly, the position of the rotating shaft 373 of driving member 37 also can be positioned at the below of driving member 37 and armature part cooperation position.
The present invention is the direct-acting magnet latching relay that adopts symmetrical transmission structure, can arrive by the rotating shaft 373 of regulating driving member 37 distance of the draw-in groove 361 of push card 36, comes regulating relay action or the needed power of involution.The relay size on the effective exercise direction, is on the X-direction in this figure namely on the straight moving direction of armature part, can reduce at least half size of contact gap.
Embodiment two, referring to Fig. 4, shown in Figure 5, the magnetic latching relay of a kind of symmetrical transmission structure of the present invention comprises magnetic circuit part, contact portion, pushing portion and housing, magnetic circuit part and contact portion respectively correspondence are contained on the housing, and pushing portion connects magnetic circuit part and contact portion; This magnetic circuit part comprises yoke 1 and coil 3; This contact portion comprises movable spring assembly 4 and quiet spring assembly; This pushing portion is comprised of armature part 2, driving member 7, push card 6, these push card 6 one ends are provided with draw-in groove 61, one end 71 of driving member 7 is connected in the draw-in groove 61 of push card 6 one ends, and push card 6 other ends are provided with draw-in groove 62, and movable spring assembly 4 is connected in the draw-in groove 62 of push card 6.Driving member adopts the shape of " L ", driving member 7 with the draw-in groove 61 of crossing push card 6 from actuating of relay state to the involution state, the mid point of the displacement on the effective exercise direction, and rotate as the axle center perpendicular to any point on the straight line of effective exercise direction, this place, axle center arranges rotating shaft 73, and these rotating shaft 73 location and installation are on housing; The other end 72 of driving member 7 cooperates with armature part 2; Described effective exercise direction is the direction perpendicular to the fixed contact surface, is X-direction (horizontal direction) in this figure.One end 71 of driving member 7 and the other end of driving member 7 72 are mutually vertical, consist of the shape of " L ", and armature part 2 is provided with spherical protuberance, and armature part 2 is by protuberance and driving member 72 phase hinges.Armature part 2 drives driving member 7 take rotating shaft 73 as axis swing.Rotating shaft 73 with the draw-in groove 61 of crossing push card 6 from actuating of relay state to the involution state, on the Y-axis line (vertical curve) of the mid point of the displacement on the X-direction, any point except the cooperation position of driving member 7 and push card 6 and armature part 2.
Wherein:
Described push card 6 cooperates with an end 71 clampings of driving member 7 by draw-in groove 61, and push card 6 matches with described movable spring assembly 4 clampings by the draw-in groove 62 of the other end.
The draw-in groove 61 of push card 6 is the movement locus to the involution state from actuating of relay state, and is symmetrical about the Y-axis line in the axle center of crossing driving member 37.
Fig. 4 is shown one group of open type contact, and one group of quiet spring assembly 5 is arranged.
Fig. 5 is shown the conversion hysteria contact, and two groups of quiet spring assemblies 51 and 52 are arranged.
In the present embodiment, armature part 2 adopts symmetrical structure, and the rotating shaft 20 of armature part 2 is positioned on the same level line with the rotating shaft 73 of driving member 7.Among Fig. 5-A, the operate condition of Transformational magnetic latching relay, magnetic circuit system are to the arm of force a of push card, and among Fig. 5-B, Transformational magnetic latching relay involution state, magnetic circuit system are to the arm of force b of push card, and a and b equate.To the involution state, the Y direction top offset is zero to the draw-in groove 61 of push card 6 from actuating of relay state.
In the present embodiment, armature partly adopts symmetrical structure, and driving member adopts the shape of " L ".
Above-described embodiment only is used for further specifying the magnetic latching relay of a kind of symmetrical transmission structure of the present invention; but the present invention is not limited to embodiment; every foundation technical spirit of the present invention all falls in the protection range of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment does.
Claims (5)
1. the magnetic latching relay of a symmetrical transmission structure comprises magnetic circuit part, contact portion, pushing portion and housing; This magnetic circuit part comprises magnetic conductive part and coil; This contact portion comprises movable spring assembly and quiet spring assembly; This pushing portion comprises armature part and push card; It is characterized in that: this pushing portion also comprises a driving member, this driving member be assemblied in push card and armature part between;
Described driving member is provided with a rotating shaft, and driving member rotates take rotating shaft as the axle center and drives the push card motion, during operate condition magnetic circuit system to the arm of force of push card during with the involution state magnetic circuit system arm of force of push card is equated.
2. the magnetic latching relay of symmetrical transmission structure according to claim 1, it is characterized in that: described driving member one end is connected in the draw-in groove of push card one end, and the push card other end cooperates with movable spring assembly, and the driving member other end partly cooperates with armature; This driving member with the draw-in groove of crossing the push card be mated from actuating of relay state to the involution state, the mid point of the displacement on the effective exercise direction, and rotate as the axle center perpendicular to any point on the straight line of effective exercise direction, this place, axle center arranges rotating shaft, and this rotating shaft location and installation is on housing.
3. the magnetic latching relay of symmetrical transmission structure according to claim 2, it is characterized in that: described driving member with the draw-in groove of crossing the push card be mated from actuating of relay state to the involution state, the mid point of the displacement on the effective exercise direction, and on the straight line perpendicular to the effective exercise direction, remove any point of the intersection point that partly matches with push card and armature and rotate as the axle center.
4. the magnetic latching relay of symmetrical transmission structure according to claim 3, it is characterized in that: described driving member is straight rod-shaped; The rotating shaft of driving member is positioned at the top of armature part and driving member cooperation position, or is positioned at the below of armature part and driving member cooperation position.
5. the magnetic latching relay of symmetrical transmission structure according to claim 3, it is characterized in that: described driving member is L shaped, the rotating shaft of armature part and the rotating shaft of driving member are positioned on same level line or the same vertical curve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010595981 CN102087932B (en) | 2010-12-18 | 2010-12-18 | Magnetic latching relay with symmetrical transmission structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010595981 CN102087932B (en) | 2010-12-18 | 2010-12-18 | Magnetic latching relay with symmetrical transmission structure |
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| Publication Number | Publication Date |
|---|---|
| CN102087932A CN102087932A (en) | 2011-06-08 |
| CN102087932B true CN102087932B (en) | 2013-04-10 |
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| CN 201010595981 Active CN102087932B (en) | 2010-12-18 | 2010-12-18 | Magnetic latching relay with symmetrical transmission structure |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107305825B (en) * | 2017-07-11 | 2019-09-06 | 厦门宏发电力电器有限公司 | A kind of electromagnetic relay of strap type push card |
| CN108962686A (en) * | 2018-08-08 | 2018-12-07 | 漳州宏发电声有限公司 | A kind of electromagnetic relay for dual power supply switching |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3310528A1 (en) * | 1981-10-02 | 1984-09-27 | Brown, Boveri & Cie Ag, 6800 Mannheim | Bistable electromagnetic force switching element of small construction |
| CN2798300Y (en) * | 2005-08-30 | 2006-07-19 | 张兴建 | Bidirectional full self locking relay |
| CN201084654Y (en) * | 2007-10-09 | 2008-07-09 | 陈挺 | A magnetism-retaining relay |
| CN201112291Y (en) * | 2007-08-13 | 2008-09-10 | 南学林 | Magnetic retaining relay |
| CN201886978U (en) * | 2010-12-18 | 2011-06-29 | 厦门宏发电力电器有限公司 | Magnetic hold relay with symmetric transmission type structure |
-
2010
- 2010-12-18 CN CN 201010595981 patent/CN102087932B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3310528A1 (en) * | 1981-10-02 | 1984-09-27 | Brown, Boveri & Cie Ag, 6800 Mannheim | Bistable electromagnetic force switching element of small construction |
| CN2798300Y (en) * | 2005-08-30 | 2006-07-19 | 张兴建 | Bidirectional full self locking relay |
| CN201112291Y (en) * | 2007-08-13 | 2008-09-10 | 南学林 | Magnetic retaining relay |
| CN201084654Y (en) * | 2007-10-09 | 2008-07-09 | 陈挺 | A magnetism-retaining relay |
| CN201886978U (en) * | 2010-12-18 | 2011-06-29 | 厦门宏发电力电器有限公司 | Magnetic hold relay with symmetric transmission type structure |
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| CN102087932A (en) | 2011-06-08 |
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