CN105448602A - Magnetic latching relay - Google Patents
Magnetic latching relay Download PDFInfo
- Publication number
- CN105448602A CN105448602A CN201610017010.5A CN201610017010A CN105448602A CN 105448602 A CN105448602 A CN 105448602A CN 201610017010 A CN201610017010 A CN 201610017010A CN 105448602 A CN105448602 A CN 105448602A
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- CN
- China
- Prior art keywords
- armature
- pushing mechanism
- movable contact
- pedestal
- latching relay
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- 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.)
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Classifications
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/02—Bases; Casings; Covers
- H01H50/026—Details concerning isolation between driving and switching circuit
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/02—Bases; Casings; Covers
- H01H50/04—Mounting complete relay or separate parts of relay on a base or inside a case
- H01H50/041—Details concerning assembly of relays
- H01H50/042—Different parts are assembled by insertion without extra mounting facilities like screws, in an isolated mounting part, e.g. stack mounting on a coil-support
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/64—Driving arrangements between movable part of magnetic circuit and contact
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electromagnets (AREA)
Abstract
The invention relates to a relay and discloses a magnetic latching relay. The magnetic latching relay comprises a pedestal, an armature, a pushing mechanism, a movable spring assembly and a static spring assembly, wherein the movable spring assembly comprises movable contact springs arranged on the pushing mechanism and movable contacts arranged on the movable contact springs, the static spring mechanism comprises static contacts, a cavity is arranged in the middle of the pushing mechanism, the pushing mechanism is provided with clamping ports, and the movable contact springs are clamped in the clamping ports. According to the invention, by use of a one-piece design mode, through arranging the armature at the pushing mechanism in a penetrating manner and arranging the movable contact springs in the clamping ports of the pushing mechanism, synchronous motion of the armature, the pushing mechanism and the movable contact springs is realized, the overall synchronism, balance and stability are greatly improved, material consumption is reduced, the cost is decreased and the mounting and dismounting is convenient. Besides, the movable spring assembly and the static spring assembly are isolated from a coil through arrangement an isolation frame such that the creepage distance is increased, and the work safety of the relay is greatly improved.
Description
Technical field
The present invention relates to a kind of relay, particularly relate to a kind of magnetic latching relay.
Background technology
In recent years, magnetic latching relay, as the one of electromagnetic relay, because its coil does not need long-term power supply, has the function automatically connecting and cut off circuit, effectively can reduce the energy consumption of relay coil, obtain and develop rapidly.
Existing magnetic latching relay mainly comprises pedestal, magnetic path, armature, pushing mechanism, movable spring assembly, quiet spring assembly, magnetic circuit system, armature, pushing mechanism, movable spring assembly, quiet spring assembly are all supported on pedestal, movable spring assembly comprises movable contact spring and moving contact, quiet spring assembly comprises fixed contact, coil electricity on magnetic path produces electromagnetism, movable contact spring is located on pushing mechanism, and pushing mechanism is located on armature.Basic functional principle is: armature, under electromagnetic action, back and forth movement occurs, thus drives pushing mechanism back and forth movement, and pushing mechanism drives movable contact spring to produce back and forth movement again, realizes the disconnection of moving contact and fixed contact and closed cyclic process.
Mainly there is following shortcoming in existing magnetic latching relay: one is the combining structure of pushing mechanism and movable contact spring: first, movable contact spring is adopted to be fastened in pushing mechanism by draw-in groove between pushing mechanism and movable contact spring, make pushing mechanism drive movable contact spring reciprocate in process, the action inefficacy that easy generation pushing mechanism slides away or comes off and make pushing mechanism drive movable contact spring synchronously to reciprocate from draw-in groove, cause the cyclic process of the connecting and disconnecting of moving contact and fixed contact to be forced to interrupt, thus cause relay cisco unity malfunction; Secondly, armature drives the manner of execution of pushing mechanism to be parallel-moving type but not swing type, and pushing mechanism and the integral structure layout of movable contact spring are that head and the tail connect layout, parallel-moving type, due to the weight of self, greatly reduces the precision of moving contact and fixed contact connecting and disconnecting cyclic process and consumes energy larger in the process that works long hours; Again, movable contact spring need adopt the sub-assembly of two parts assemblings of moving plate and shell fragment, both cost was added, turn increase between movable contact spring and pushing mechanism and occur to cause the possibility of relay cisco unity malfunction by regular event, also greatly reduce synchronism, balance and the stability in pushing mechanism and the movable contact spring course of work.Two is lack the interrupter come by the inductance loop seclusion on moving contact and fixed contact and magnetic path in relay: owing to producing powerful electromagnetic action during coil electricity, what lack that interrupter is easy to occur electromagnetic interference moving contact and fixed contact is switched on or switched off state, greatly have impact on the normal work of relay, even may cause relay cisco unity malfunction.Three are magnetic circuit systems, armature, pushing mechanism, movable spring assembly, quiet spring assembly be located on pedestal or base, overall structure lacks the design of integral structure mode, such that relay inner structure is not compact, stationarity is not high and install and remove not convenient.
Summary of the invention
The technical problem that the present invention solves is, overcome the defect of prior art, provide when a kind of compact conformation, work and there is higher synchronizing capacity, balanced capacity and stability and the magnetic latching relay of the electromagnetic interference moving contact that can effectively prevent coil from producing and fixed contact.
In order to solve the problems of the technologies described above, the present invention is solved by following technical proposals:
Magnetic latching relay, comprise pedestal, the armature be supported on pedestal, pushing mechanism, movable spring assembly, quiet spring assembly, movable spring assembly comprises the movable contact spring be located on pushing mechanism, the moving contact be located on movable contact spring, quiet spring assembly comprises the fixed contact contacting with moving contact or throw off, be provided with in the middle of pushing mechanism for armature through and armature swings time cavity for reciprocating about driving pushing mechanism, pushing mechanism at least one end is provided with clamp port, and movable contact spring is folded in clamp port.
Work relationship between armature, pushing mechanism, movable contact spring, moving contact, fixed contact is: reciprocate about driving pushing mechanism while armature swings, reciprocate about driving movable contact spring while reciprocating about pushing mechanism, reciprocate about driving moving contact while reciprocating about movable contact spring, form the cyclic process that moving contact contacts with fixed contact or throws off in the process reciprocated about making moving contact, thus produce moving contact and fixed contact and to disconnect or from the cyclic process being disconnected to connection from being switched to.
Armature is positioned in the middle of pushing mechanism through cavity, on the one hand, reciprocate active force in process about making armature swing drive pushing mechanism balanced simultaneously, substantially increase synchronism, balance and the stability in armature and the pushing mechanism course of work, also improve the mounting or dismounting Discussing Convenience between armature and pushing mechanism on the other hand.
Movable contact spring is folded in the clamp port that pushing mechanism is arranged by the present invention's employing, with adopt in prior art movable contact spring is fastened on the draw-in groove that pushing mechanism is arranged structure compared with, clamp port can block movable contact spring completely on the one hand, make that there is between pushing mechanism and movable contact spring larger forced contact area, avoid movable contact spring occur swing or play or shake etc. be unfavorable for the situation that movable contact spring moves left and right, substantially increase the synchronism reciprocated about pushing mechanism drives movable contact spring, balance and stability, also substantially increase on the other hand Discussing Convenience movable contact spring being arranged on pushing mechanism or disassembling from pushing mechanism.
The movable contact spring be folded in clamp port is positioned at the side of pedestal, has both greatly facilitated the layout of pushing mechanism and movable contact spring, efficiently utilizes again space limited in relay, especially substantially reduces the length of pedestal and has saved consumptive material, reducing cost.
A clamp port is respectively established at pushing mechanism two ends, and the final products of relay can be adopt only one of them clamp port to settle a movable contact spring, and two clamp ports also can be adopted to settle each movable contact spring simultaneously.
As preferably, pushing mechanism comprises push card, and cavity is located at the centre of push card, and push card two ends are fixed with a clamping part respectively, form clamp port between clamping part and push card wall.Push card and two clamping parts are all connected as a single entity.
Two clamping parts that push card is fixedly connected with its two ends form the pushing mechanism be symmetrical set, when push card is interacted with armature, movable contact spring, active force is balanced, also further increases balance when armature and push card, push card and movable contact spring are synchronized with the movement and stability.
The interior sidewall surface of clamping part is set to arc line shaped, when movable contact spring follow push card move simultaneously time, movable contact spring may touch the interior sidewall surface of clamping part, and the interior sidewall surface of arc line shaped is conducive to reducing or alleviating touching dynamics and frictional force, makes movable contact spring follow push card synchronizing moving more swimmingly.
As preferably, pushing mechanism also comprises the upper locating button and lower locating button that are fixedly connected with push card, upper locating button is positioned at directly over lower locating button, the part that armature passes cavity is fixed and is fastened between locating button and lower locating button, thus armature is clamped through cavity and is positioned in push card.Upper locating button, lower locating button are all connected as a single entity with push card.
A pair locating button, can carry out precise positioning by armature and push card, have the function that stability is high, balanced capacity is strong, and further increases armature and swing the synchronism, balance and the stability that drive simultaneously and reciprocate about push card.
As preferably, armature comprises the iron passing cavity, and the part that iron passes cavity is provided with two the first draw-in grooves, and two the first draw-in grooves are located at top and the bottom of iron respectively, and upper locating button, lower locating button are fastened on one of them first draw-in groove respectively.
The buckle-type locate mode of locating button and the first draw-in groove, further increases the positioning accurate accuracy between armature and push card, thus further increases armature and swing the synchronism, balance and the stability that drive simultaneously and reciprocate about push card.
As preferably, armature also comprises the briquetting be fixedly connected with iron one end, and briquetting is arranged with chuck, and chuck is provided with arc convex portion, and arc convex portion has elastic deformation characteristics.Armature take briquetting as fulcrum, plane rocking along place, briquetting bottom surface, and iron reciprocates about swinging and driving pushing mechanism simultaneously.
Iron and briquetting are connected as a single entity and form T-shaped armature.Arc convex portion and chuck are connected as a single entity.
As preferably, pedestal is fixed with brace table, briquetting is located on brace table.Brace table effectively prevent briquetting in the vertical direction and occurs to swing or skew.
As preferably, pedestal is fixed with the yoke of pair of parallel setting, yoke wall withstands arc convex portion, and armature two ends are all arranged between a pair yoke, are equipped with the first activity space between armature and a pair yoke.
The setting of a pair yoke, had both enhanced the suction-combining force of solenoid, strengthened again the support degree to armature, also play position-limiting action and the swing of armature is limited in the first activity space.
As preferably, be also folded with the magnet be positioned at below armature between a pair yoke, by liner, magnet clipped between a pair yoke.Yoke, magnet coordinate armature to further increase electromagnetic action effect and operating efficiency.
When in armature swing process, yoke wall and arc convex portion interact, and arc convex portion can produce certain strain, are conducive to the elastic deformation ability that when armature swings, enhancing chuck contacts with armature.
A pair yoke profile is U-shaped, and pushing mechanism is stuck in the U-shaped space of a pair yoke.
As preferably, also comprise the magnetic path be supported on pedestal, armature through magnetic path and and be provided with the second activity space magnetic path, both armature had been made can to obtain good electromagnetic action effect, make again armature be limited in the second activity space to freely swing, control the amplitude of fluctuation of armature further;
Pedestal is also provided with through hole, and magnetic path is provided with passage, is equipped with pin between magnetic path and pedestal by passage and through hole, and pin is provided with recessed step, double wedge, and passage is provided with projection, and projection is located in recessed step, and double wedge is engaged on through hole hole wall.
Projection coordinates with recessed step, plays position-limiting action, make pin by unidirectional location and cooperatively interact more firm.
Double wedge coordinates with through hole the snap-in force considerably increased between pin and pedestal, and when making pin load pedestal, higher, the balanced capacity of stability is stronger, thus substantially increases stationarity when relay is installed and used.
Magnetic path comprises winding, is fixedly connected on the bracing frame of winding one end, and winding is wound with coil, and coil electricity produces electromagnetism, and armature produces by electromagnetic action and swings.
Magnetic path also comprises the fixed head being fixedly connected on the winding other end, and bracing frame and the fixed head at winding and winding two ends are all connected as a single entity.
Passage is located in bracing frame, and projection and bracing frame are connected as a single entity, and double wedge and pin are connected as a single entity.
As preferably, also comprise the isolation frame be supported on pedestal, movable spring assembly and quiet spring assembly are all arranged at outside isolation frame; Isolation frame is provided with spatial accommodation, and winding is embedded in spatial accommodation; Isolation frame bottom is provided with the convex tendon be positioned at above magnet, and convex tendon is fastened in the first activity space;
Convex tendon had both played the effect of reinforcement, had again spacing and positioning function, substantially increased integrally-built stationarity, also greatly strengthen integrally-built spacing and positioning function.
Winding is arranged in isolation circle, movable spring assembly and quiet spring assembly are all arranged at outside isolation circle, inductance loop seclusion on movable spring assembly, quiet spring assembly and winding is come by isolation frame, increases creepage distance, substantially increase the fail safe of relay work.
Convex tendon is connected as a single entity with isolation frame.
Isolation frame comprises two side plates that bottom is fastened on base plate in the first activity space, is fixedly connected with base plate, and formation spatial accommodation crowded around by base plate and two side plates, and two side plates to be fastened on pedestal and to paste firm yoke, and convex tendon is located on base plate.The profile of side plate is L shape, and base plate and two side plates are all connected as a single entity.
Movable spring assembly also comprises the dynamic spring lead-out tablet be fixedly located on pedestal, and movable contact spring is fixedly connected with dynamic spring lead-out tablet;
Quiet spring assembly comprises the static contact spring piece be fixedly located on pedestal, fixed contact is fixedly located on static contact spring piece, moving contact and fixed contact are just right, reciprocate about driving moving contact while reciprocating about movable contact spring, form the cyclic process that moving contact contacts with fixed contact or throws off in the process reciprocated about making moving contact, thus produce moving contact and fixed contact and to disconnect or from the cyclic process being disconnected to connection from being switched to.
As preferably, also comprise the shell be fixedly located at outside pedestal, the U-shaped frame that pedestal comprises base, is fixedly located at the postive stop baffle of base both sides respectively, is fixedly connected on postive stop baffle two ends, brace table is located on base; Base, postive stop baffle, U-shaped frame are all connected as a single entity between any two, and brace table and base are connected as a single entity.
U-shaped frame is provided with the spacing space of U-shaped, and one end of yoke and one end of armature are all arranged in the spacing space of U-shaped; The U-shaped frame arranged, both played support various components inside and shell mounting or dismounting act on easily, there is again the function of the band armature of electromagnetism, yoke, magnet being kept apart with movable spring assembly, quiet spring assembly, further ensure armature, yoke, magnet electromagnetism do not disturb the continuous operation of movable spring assembly, quiet spring assembly.
Base is provided with the second draw-in groove, and isolation frame is fixedly fastened in the second draw-in groove, pushes up firm shell shell face above isolation frame.
Be provided with L shape posting in shell, L shape posting and shell are connected as a single entity, and match in the L shape grafting space that L shape posting is formed with isolation frame.
The basic functional principle of magnetic latching relay of the present invention is as follows:
When relay does not work, moving contact and fixed contact are in and contact or off-state, the coil electricity of relay 30 seconds, coil generating electromagnetic, armature is by electromagnetic action, armature take briquetting as fulcrum, along the plane rocking at place, briquetting bottom surface, iron reciprocates about swinging and driving pushing mechanism simultaneously, reciprocate about driving movable contact spring while reciprocating about pushing mechanism, reciprocate about driving moving contact while reciprocating about movable contact spring, the cyclic process that moving contact contacts with fixed contact or throws off is formed in the process reciprocated about making moving contact, thus produce moving contact and fixed contact and to disconnect or from the cyclic process being disconnected to connection from being switched to.
The present invention is owing to have employed above technical scheme, there is significant technique effect: adopt unitary design mode, by armature being located in pushing mechanism and movable contact spring is placed in the clamp port of pushing mechanism, achieve armature, pushing mechanism, being synchronized with the movement of movable contact spring, substantially increase overall synchronism, balance and stability, save consumptive material, reduce cost and mounting or dismounting facility, movable spring assembly and quiet spring assembly and inductance loop seclusion come by the isolation frame again by arranging, increase creepage distance, substantially increase the job security of relay.
Accompanying drawing explanation
Fig. 1 is the structural representation that enclosure implementations removed by magnetic latching relay of the present invention.
Fig. 2 is the explosive view of Fig. 1.
Fig. 3 is the structural representation of push card in Fig. 2, armature, yoke, interrupter, magnet, liner, movable spring assembly, quiet spring assembly assembling embodiment.
Fig. 4 is the structural representation of push card in Fig. 2, armature, movable contact spring assembling embodiment.
Fig. 5 is the decomposition texture schematic diagram of Fig. 4.
Fig. 6 is the structural representation that armature of the present invention and chuck assemble embodiment.
Fig. 7 is the structural representation of chuck embodiment of the present invention.
Fig. 8 is the structural representation that magnetic path of the present invention and pin assemble embodiment.
Fig. 9 is the structural representation of magnetic path embodiment of the present invention.
Figure 10 is the structural representation of pin embodiment of the present invention.
Figure 11 is the structural representation that the present invention isolates frame embodiment.
Figure 12 is the structural representation in direction, Figure 11 back side.
Figure 13 is the structural representation of base embodiment of the present invention.
Figure 14 is the structural representation of enclosure implementations of the present invention.
The toponym that in accompanying drawing, each number designation refers to is as follows: 1-moving contact, 2-liner, 3-armature, 4-pedestal, 5-yoke, 6-upper locating button, 7-clamping part, 8-push card, 9-fixed head, 10-winding, 11-isolation frame, 12-pin, 13-bracing frame, 14-dynamic spring lead-out tablet, 15-movable contact spring, 16-fixed contact, 17-static contact spring piece, 18-chuck, 19-the second activity space, 20-magnet, 21-shell, 22-L shape posting, 23-lower locating button, 31-iron, 32-briquetting, 41-base, 42-postive stop baffle, 43-U-shaped frame, 44-brace table, 45-through hole, 46-the second draw-in groove, 50-the first activity space, 70-clamp port, 80-cavity, 111-L shape grafting space, 112-spatial accommodation, 113-side plate, 114-base plate, 115-convex tendon, 121-recessed step, 122-double wedge, 131-passage, 132-projection, 180-arc convex portion, 310-the first draw-in groove, the spacing space of 430-U-shaped.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is described in further detail.
Embodiment 1
Magnetic latching relay, as represented in figures 1 through 14, comprise pedestal 4, the armature 3 be supported on pedestal 4, pushing mechanism, movable spring assembly, quiet spring assembly, movable spring assembly comprises the movable contact spring 15 be located on pushing mechanism, the moving contact 1 be located on movable contact spring 15, quiet spring assembly comprises the fixed contact 16 contacting with moving contact 1 or throw off, be provided with in the middle of pushing mechanism for armature 3 through and armature 3 swings time cavity 80 for reciprocating about driving pushing mechanism, pushing mechanism at least one end is provided with clamp port 70, and movable contact spring 15 is folded in clamp port 70.
Work relationship between armature 3, pushing mechanism, movable contact spring 15, moving contact 1, fixed contact 16 is: reciprocate about driving pushing mechanism while armature 3 swings, movable contact spring about 15 is driven to reciprocate while reciprocating about pushing mechanism, moving contact about 1 is driven to reciprocate while movable contact spring about 15 reciprocates, form the cyclic process that moving contact 1 contacts with fixed contact 16 or throws off in the process that moving contact about 1 is reciprocated, thus produce moving contact 1 and fixed contact 16 and to disconnect or from the cyclic process being disconnected to connection from being switched to.
Armature 3 is positioned in the middle of pushing mechanism through cavity 80, on the one hand, armature 3 is swung drive to reciprocate active force in process about pushing mechanism balanced simultaneously, substantially increase armature 3 and synchronism, balance and the stability in the pushing mechanism course of work, also improve the mounting or dismounting Discussing Convenience between armature 3 and pushing mechanism on the other hand.
Movable contact spring 15 is folded in the clamp port 70 that pushing mechanism is arranged by the present invention's employing, particularly, clamp port 70 is set to the clamp port 70 of opening groove mode, movable contact spring 15 is fastened on compared with the structure of the draw-in groove that pushing mechanism is arranged with adopting in prior art, clamp port 70 can block movable contact spring 15 completely on the one hand, make that there is between pushing mechanism and movable contact spring 15 larger forced contact area, avoid movable contact spring 15 occur swing or play or shake etc. be unfavorable for the situation that movable contact spring 15 moves left and right, substantially increase the synchronism that pushing mechanism drives movable contact spring about 15 to reciprocate, balance and stability, also substantially increase on the other hand Discussing Convenience movable contact spring 15 being arranged on pushing mechanism or disassembling from pushing mechanism.
Particularly, the existing movable contact spring 15 of replacement that arranges of a movable contact spring 15 is adopted to adopt the combination of moving plate and shell fragment to arrange, and the movable contact spring be folded in clamp port 70 is positioned at the side of pedestal 4, both pushing mechanism had been greatly facilitated and movable contact spring 15 is arranged, efficiently utilize again space limited in relay, especially substantially reduce the length of pedestal 4 and saved consumptive material, reducing cost.
A clamp port 70 is respectively established at pushing mechanism two ends, and the final products of relay can be adopt only one of them clamp port 70 to settle a movable contact spring 15, and two clamp ports 70 also can be adopted to settle each movable contact spring 15 simultaneously.
Pushing mechanism comprises push card 8, and cavity 80 is located at the centre of push card 8, and push card 8 two ends are fixed with a clamping part 7 respectively, forms clamp port 70 between clamping part 7 and push card 8 wall.Push card 8 and two clamping parts 7 are all connected as a single entity.
Two clamping parts 7 that push card 8 is fixedly connected with its both sides form the pushing mechanism be symmetrical set, when push card 8 is interacted with armature 3, movable contact spring 15, active force is balanced, also further increases balance when armature 3 is synchronized with the movement with movable contact spring 15 with push card 8, push card 8 and stability.
The interior sidewall surface of clamping part 7 is set to arc line shaped, when movable contact spring 15 follow push card 8 move simultaneously time, movable contact spring 15 may touch the interior sidewall surface of clamping part 7, the interior sidewall surface of arc line shaped is conducive to reducing or alleviating touching dynamics and frictional force, makes movable contact spring 15 follow push card 8 synchronizing moving more swimmingly.
Pushing mechanism also comprises the upper locating button 6 and lower locating button 23 that are fixedly connected with push card 8, and upper locating button 6 is positioned at directly over lower locating button 23, and the part that armature 3 passes cavity 80 is fixed and is fastened between locating button 6 and lower locating button 23.Upper locating button 6 and lower locating button 23 are all connected as a single entity with push card 8.
A pair locating button, can carry out precise positioning by armature 3 and push card 8, have the function that stability is high, balanced capacity is strong, and further increases armature 3 and swing the synchronism, balance and the stability that drive push card about 8 to reciprocate simultaneously.
Armature 3 comprises the iron 31 passing cavity 80, the part that iron 31 passes cavity 80 is provided with two the first draw-in grooves 310, two the first draw-in grooves 310 are located at top and the bottom of iron 31 respectively, and upper locating button 6, lower locating button 23 are fastened on one of them first draw-in groove 310 respectively.
The buckle-type locate mode of locating button and the first draw-in groove 310, further increases the positioning accurate accuracy between armature 3 and push card 8, thus further increases armature 3 and swing and drive push card about 8 synchronism, balance and the stability that reciprocate simultaneously.
Armature 3 also comprises the briquetting 32 be fixedly connected with iron 31 one end, and briquetting 32 is arranged with chuck 18, chuck 18 is provided with arc convex portion 180, and arc convex portion 180 has elastic deformation characteristics.
Armature 3 with briquetting 32 be fulcrum, along the plane rocking at place, briquetting 32 bottom surface, iron 31 reciprocates about swinging and driving pushing mechanism simultaneously.
Iron 31 and briquetting 32 are connected as a single entity and form T-shaped armature 3.Arc convex portion 180 and chuck 18 are connected as a single entity.
Pedestal 4 is fixed with brace table 44, briquetting 32 is located on brace table 44.Brace table 44 effectively prevent briquetting 32 in the vertical direction and occurs to swing or skew.
Pedestal 4 is fixed with pair of parallel and just to arrange yoke 5, yoke 5 wall withstands arc convex portion 180, and armature 3 two ends are all arranged between a pair yoke 5, are equipped with the first activity space 50 between armature 3 and a pair yoke 5.
The setting of a pair yoke 5, had both enhanced the suction-combining force of solenoid, strengthened again the support degree to armature 3, also play position-limiting action and the swing of armature 3 is limited in the first activity space 50.
Also be folded with the magnet 20 be positioned at below armature 3 between a pair yoke 5, by liner 2, magnet 20 clipped between a pair yoke 5.
Yoke 5, magnet 20 coordinate armature 3 to further increase electromagnetic action effect and operating efficiency.
When in armature 3 swing process, yoke 5 wall and arc convex portion 180 interact, and arc convex portion 180 can produce certain strain, are conducive to the elastic deformation ability that when armature 3 swings, enhancing chuck 18 contacts with armature 3.
A pair yoke 5 profile is U-shaped, and pushing mechanism is stuck in the U-shaped space of a pair yoke 5.
Also comprise the magnetic path be supported on pedestal 4, armature 3 through magnetic path and and be provided with the second activity space 19 magnetic path, both armature 3 had been made can to obtain good electromagnetic action effect, make again armature 3 be limited in the second activity space 19 to freely swing, control the amplitude of fluctuation of armature 3 further;
Pedestal 4 is also provided with through hole 45, magnetic path is provided with passage 131, pin 12 is equipped with by passage 131 and through hole 45 between magnetic path and pedestal 4, pin 12 is provided with recessed step 121, double wedge 122, passage 131 is provided with projection 132, projection 132 is located in recessed step 121, and double wedge 122 is engaged on through hole 45 hole wall.
Projection 132 coordinates with recessed step 121, plays position-limiting action, make pin 12 by unidirectional location and cooperatively interact more firm.
Double wedge 122 coordinates with through hole 45 the snap-in force considerably increased between pin 12 and pedestal 4, and when making pin 12 load pedestal 4, stability is higher, balanced capacity is stronger, thus substantially increases stationarity when relay is installed and used.
Magnetic path comprises winding 10, is fixedly connected on the bracing frame 13 of winding 10 one end, and winding 10 is wound with coil, and coil electricity produces electromagnetism, and armature 3 produces by electromagnetic action and swings.
Magnetic path also comprises the fixed head 9 being fixedly connected on winding 10 other end, and bracing frame 13 and the fixed head 9 at winding 10 and winding 10 two ends are all connected as a single entity.
Passage 131 is located in bracing frame 13, and projection 132 and bracing frame 13 are connected as a single entity, and double wedge 122 and pin 12 are connected as a single entity.
Also comprise the isolation frame 11 be supported on pedestal 4, quiet spring assembly, movable spring assembly and quiet spring assembly are all arranged at outside isolation frame 11; Isolation frame 11 is provided with spatial accommodation 112, and winding 10 is embedded in spatial accommodation 112; Be provided with the convex tendon 115 be positioned at above magnet 20 bottom isolation frame 11, convex tendon 115 is fastened in the first activity space 50.
Convex tendon 115 had both played the effect of reinforcement, had again spacing and positioning function, substantially increased integrally-built stationarity, also greatly strengthen integrally-built spacing and positioning function.
Winding 10 is arranged in isolation frame 11 frame, movable spring assembly and quiet spring assembly are all arranged at outside isolation frame 11 frame, inductance loop seclusion on movable spring assembly, quiet spring assembly and winding 10 is come by isolation frame 11, increases creepage distance, substantially increase the job security of relay.
Convex tendon 115 is connected as a single entity with isolation frame 11.
Two side plates 113 be fastened on the base plate 114 in the first activity space bottom isolation frame 11 comprises, being fixedly connected with base plate 114, base plate 114 and two side plates 113 are crowded around and are formed spatial accommodation 112, two side plates 113 to be fastened on pedestal 4 and to paste firm yoke 5, and convex tendon 115 is located on base plate 114.The profile of side plate 113 is L shape, and base plate 114 and two side plates 113 are all connected as a single entity.
Movable spring assembly also comprises the dynamic spring lead-out tablet 14 be fixedly located on pedestal 4, and movable contact spring 15 is fixedly connected with dynamic spring lead-out tablet 14;
Quiet spring assembly comprises the static contact spring piece 17 be fixedly located on pedestal 4, fixed contact 16 is fixedly located on static contact spring piece 17, moving contact 1 is just right with fixed contact 16, drive moving contact about 1 to reciprocate while movable contact spring about 15 reciprocates, thus produce moving contact 1 and fixed contact 16 and to disconnect or from the cyclic process being disconnected to connection from being switched to.
Also comprise the shell 21 be fixedly located at outside pedestal 4, the U-shaped frame 43 that pedestal 4 comprises base 41, is fixedly located at the postive stop baffle 42 of base 41 both sides respectively, is fixedly connected on postive stop baffle 42 two ends, brace table 44 is located on base 41; Base 41, postive stop baffle 42, U-shaped frame 43 are all connected as a single entity between any two, and brace table 44 and base 41 are connected as a single entity.
U-shaped frame 43 is provided with the spacing space 430 of U-shaped, and one end of yoke 5 and one end of armature 3 are all arranged in the spacing space 430 of U-shaped; The U-shaped frame 43 arranged, both played and supported various components inside and shell 21 and install and remove and act on easily, there is again the function of the band armature 3 of electromagnetism, yoke 5, magnet 20 being kept apart with movable spring assembly, quiet spring assembly, further ensure armature 3, yoke 5, magnet 20 electromagnetism do not disturb the continuous operation of movable spring assembly, quiet spring assembly.
Base 41 is provided with the second draw-in groove 46, and isolation frame 11 is fixedly fastened in the second draw-in groove 46, and isolation frame 11 pushes up firm shell 21 shell face above.
Being provided with L shape posting 22, L shape posting 22 in shell 21 to be connected as a single entity with shell 21, matches in the L shape grafting space 111 that L shape posting 22 is formed with isolation frame 11.
The basic functional principle of magnetic latching relay of the present invention is as follows:
When relay does not work, moving contact 1 is in fixed contact 16 and contacts or off-state, the coil electricity of relay 30 seconds, coil generating electromagnetic, armature 3 is by electromagnetic action, armature 3 with briquetting 32 for fulcrum, along the plane rocking at place, briquetting 32 bottom surface, iron 31 reciprocates about swinging and driving pushing mechanism simultaneously, movable contact spring about 15 is driven to reciprocate while reciprocating about pushing mechanism, moving contact about 1 is driven to reciprocate while movable contact spring about 15 reciprocates, the cyclic process that moving contact 1 contacts with fixed contact 16 or throws off is formed in the process that moving contact about 1 is reciprocated, thus produce moving contact 1 and fixed contact 16 and to disconnect or from the cyclic process being disconnected to connection from being switched to.
In a word, the foregoing is only preferred embodiment of the present invention, all equalizations done according to the present patent application the scope of the claims change and modify, and all should belong to the covering scope of patent of the present invention.
Claims (10)
1. magnetic latching relay, comprise pedestal (4), be supported on the armature (3) on pedestal (4), pushing mechanism, movable spring assembly, quiet spring assembly, movable spring assembly comprises the movable contact spring (15) be located on pushing mechanism, be located at the moving contact (1) on movable contact spring (15), quiet spring assembly comprises the fixed contact (16) contacting with moving contact (1) or throw off, it is characterized in that: be provided with in the middle of pushing mechanism for armature (3) through and armature (3) swings time cavity (80) for reciprocating about driving pushing mechanism, pushing mechanism at least one end is provided with clamp port (70), movable contact spring (15) is folded in clamp port (70).
2. magnetic latching relay according to claim 1, it is characterized in that: pushing mechanism comprises push card (8), cavity (80) is located at the centre of push card (8), push card (8) two ends are fixed with a clamping part (7) respectively, form clamp port (70) between clamping part (7) and push card (8) wall.
3. magnetic latching relay according to claim 2, it is characterized in that: pushing mechanism also comprises the upper locating button (6) and lower locating button (23) that are fixedly connected with push card (8), upper locating button (6) is positioned at directly over lower locating button (23), and the part that armature (3) passes cavity (80) is fixed and is fastened between locating button (6) and lower locating button (23).
4. magnetic latching relay according to claim 3, it is characterized in that: armature (3) comprises the iron (31) passing cavity (80), the part that iron (31) passes cavity (80) is provided with two the first draw-in grooves (310), two the first draw-in grooves (310) are located at top and the bottom of iron (31) respectively, and upper locating button (6), lower locating button (23) are fastened on one of them first draw-in groove (310) respectively.
5. magnetic latching relay according to claim 4, it is characterized in that: armature (3) also comprises the briquetting (32) be fixedly connected with iron (31) one end, briquetting (32) is arranged with chuck (18), chuck (18) is provided with arc convex portion (180).
6. magnetic latching relay according to claim 5, is characterized in that: pedestal (4) is fixed with brace table (44), and briquetting (32) is located on brace table (44).
7. magnetic latching relay according to claim 6, it is characterized in that: the yoke (5) pedestal (4) being fixed with pair of parallel setting, yoke (5) wall withstands arc convex portion (180), armature (3) two ends are all arranged between a pair yoke (5), are equipped with the first activity space (50) between armature (3) and a pair yoke (5).
8. magnetic latching relay according to claim 7, it is characterized in that: be also folded with the magnet (20) being positioned at armature (3) below between a pair yoke (5), by liner (2), magnet (20) clipped between a pair yoke (5).
9. the magnetic latching relay according to claim 1 or 8, it is characterized in that: also comprise the magnetic path be supported on pedestal (4), armature (3) is through magnetic path and and be provided with the second activity space (19) magnetic path.
10. magnetic latching relay according to claim 9, it is characterized in that: pedestal (4) is also provided with through hole (45), magnetic path is provided with passage (131), pin (12) is equipped with by passage (131) and through hole (45) between magnetic path and pedestal (4), pin (12) is provided with recessed step (121), double wedge (122), passage (131) is provided with projection (132), projection (132) is located in recessed step (121), and double wedge (122) is engaged on through hole (45) hole wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610017010.5A CN105448602A (en) | 2016-01-12 | 2016-01-12 | Magnetic latching relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610017010.5A CN105448602A (en) | 2016-01-12 | 2016-01-12 | Magnetic latching relay |
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| Publication Number | Publication Date |
|---|---|
| CN105448602A true CN105448602A (en) | 2016-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610017010.5A Pending CN105448602A (en) | 2016-01-12 | 2016-01-12 | Magnetic latching relay |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107017125A (en) * | 2017-03-28 | 2017-08-04 | 厦门宏发电声股份有限公司 | A kind of strong and weak relay for being electrically isolated and being easy to implement Automated assembly |
| CN107706052A (en) * | 2017-10-23 | 2018-02-16 | 三友联众集团股份有限公司 | A kind of iron core swing type relay |
| CN109119294A (en) * | 2018-09-26 | 2019-01-01 | 上海苏慧电气有限公司 | A kind of magnetic latching relay |
| CN109859992A (en) * | 2019-02-14 | 2019-06-07 | 江小林 | A kind of relay |
| CN110265267A (en) * | 2019-06-25 | 2019-09-20 | 宁波天波港联电子有限公司 | Armature can stablize the relay of reset |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110265267A (en) * | 2019-06-25 | 2019-09-20 | 宁波天波港联电子有限公司 | Armature can stablize the relay of reset |
| CN110265267B (en) * | 2019-06-25 | 2024-03-12 | 宁波天波港联电子有限公司 | Relay with armature capable of stable reset |
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