CN201238011Y - Diphasic high-power magnetic latching relay for control - Google Patents
Diphasic high-power magnetic latching relay for control Download PDFInfo
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- CN201238011Y CN201238011Y CNU2008200037769U CN200820003776U CN201238011Y CN 201238011 Y CN201238011 Y CN 201238011Y CN U2008200037769 U CNU2008200037769 U CN U2008200037769U CN 200820003776 U CN200820003776 U CN 200820003776U CN 201238011 Y CN201238011 Y CN 201238011Y
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- transmission
- drive link
- relay
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Abstract
The utility model discloses a two-phase high-power magnetic latching relay used for control. In the magnetic latching relay, an electromagnetic system adopts a suction type magnetic pole structure; wherein, a movable iron core is integrated with a transmission pull rod of a transmission system; the transmission system consists of the transmission pull rod, a first transmission rod, a second transmission rod and a rotary shaft; the first transmission rod is connected with the second transmission rod through the rotary shaft; the transmission pull rod is connected with the first transmission rod through the rotary shaft; and the second transmission rod is connected with a movable plate component. The state change of the movable iron core can be transmitted to the transmission system through the transmission pull rod. The transmission system then transmits the state change to the movable plate component in a contact system, so that the contact state between the movable plate component and a static plate component is changed. The magnetic latching relay, the operation of which is highly reliable, can resist the outside strong magnetism and pass through a transient short circuit current without being damaged and is widely applicable to various control devices such as meter control devices.
Description
Technical field
The utility model relates to a kind of magnetic latching relay, relates in particular to a kind of two-phase power magnetic force keeping relay that is used for the signal controlling field, belongs to technical field of electronic components.
Background technology
Magnetic latching relay is a kind of under the effect of drive control signal, utilizes the interaction of solenoid and permanent magnet, relative motion to realize make-and-break contact.After drive control signal disappears, the control element of the state that is switched on or switched off of latching relay still.
Common magnetic latching relay generally is made up of electromagnetic system, drive system, contact system and housing.Wherein electromagnetic system is made up of solenoid, permanent magnet (or permanent magnet assembly), magnetic conduction heel piece, other magnetic conduction part etc.; Contact system is made up of the helical spring or the flat spring of dynamic and static contact and assurance contact contact pressure; Utilize drive system connection contact system and electromagnetic systems such as catch bar, the operate condition of electromagnetic system is passed to contact system, realize transmission, interlock.
The characteristics that magnetic latching relay has energy savings, working stability, is convenient to control are widely used in electric system protection device and all kinds of telemechanical, remote control and the communicator.For example in electric energy meter, water meter, gas meter, street lamp control system, combination switch, be used as control element.Along with improving constantly of development and national economy and living standards of the people, the household electrical appliance that use in each family roll up, and employed distribution control element, appliance controling element require to switch bigger power.Therefore, magnetic latching relay especially power magnetic force keeping relay will obtain using more widely.
At present, in the two-phase power magnetic force keeping relay of selling on the market, the permanent magnet assembly of electromagnetic system adopts " worker " font armature component more.This armature component structure is when interacting with yoke, the suction that is produced is subjected to the restriction of contact area and is less, be easy to cause when connecting or disconnecting, promote hypodynamic problem, and can not resist extraneous strong magnetic disturbance, thereby reduce the functional reliability of magnetic latching relay.In addition, in existing two-phase power magnetic force keeping relay, for reaching the purpose of bearing instantaneous many times of short circuit currents, the galvanic circles of " it " font of adopting reduce the electromagnetic repulsion force that short circuit current produces more, and the galvanic circle of this " it " font needs more conductor line, has increased the production cost of relay.
Summary of the invention
The purpose of this utility model is to provide a kind of novel control two-phase power magnetic force keeping relay.This relay comes transmission power by adopting special linkage, and functional reliability is significantly improved, and can be widely used in ammeter control and all kinds of control appliance.
For realizing above-mentioned purpose, the utility model adopts following technical scheme:
A kind of control two-phase power magnetic force keeping relay, comprise the electromagnetic system, drive system and the contact system that are enclosed in the housing that forms by shell and loam cake fastening, wherein said electromagnetic system adopts the suction-type field structure, described contact system comprises still assembly and moving plate assembly, it is characterized in that:
In the described electromagnetic system, gone up the magnetic conduction heel piece of magnetic pole and the magnetic conduction cover plate of riveted joint lower magnetic pole by riveted joint and assemble the magnetic conduction magnetic circuit that forms sealing, the moving iron core in the electromagnetic system and the shackle rod of described drive system connect as one;
Described drive system is made up of shackle rod, first drive link, second drive link and rotating shaft;
Described first drive link is realized being connected by described rotating shaft and second drive link, and is that rotate with fixing radian at the center with described rotating shaft, and described shackle rod is connected by described rotating shaft and the realization of described first drive link;
Described second drive link is connected with described moving plate assembly.
Wherein, described still assembly and described moving plate assembly have two groups respectively, be the left-right symmetric mode and distribute in described shell, and the conduction splitter in two groups of moving plate assemblies is connected with same long conducting strip respectively.
Described shell is symmetrical " protruding " type, is provided with open slot in corresponding two sides, and the exit of described still assembly and moving plate assembly stretches out to the relay outside from described open slot.
Described enclosure is provided with the guide rail structure that slides for described second drive link.
Magnetic latching relay provided by the utility model adopts novelty structural design scheme cleverly, and functional reliability is significantly improved.This magnetic latching relay not only can stably switch the high-power circuit of two-phase under rated condition, and can resist extraneous strong magnetic disturbance, shows its distinctive unfailing performance when the transient short-circuit current that bears up to 30 times.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is further described.
Fig. 1 is the three-dimensional outline drawing of control provided by the utility model with the two-phase power magnetic force keeping relay;
Fig. 2 is the vertical view of relay shown in Figure 1;
Fig. 3 is the end view of relay shown in Figure 1;
Fig. 4 is the shell mechanism schematic diagram of relay shown in Figure 1;
Fig. 5 is the internal structure schematic diagram of relay shown in Figure 1;
Fig. 6 is the electromagnetic system structure schematic diagram of relay shown in Figure 1;
Fig. 7 is the three-dimensional outline drawing of the still assembly of relay shown in Figure 1;
Fig. 8 is the three-dimensional outline drawing of the moving plate assembly of relay shown in Figure 1;
Fig. 9 is in the drive system of relay shown in Figure 1, the schematic diagram of a kind of operate condition of linkage;
Figure 10 is in the drive system of relay shown in Figure 1, the schematic diagram of the another kind of operate condition of linkage.
Embodiment
Referring to shown in Figure 1, the monnolithic case of this two-phase power magnetic force keeping relay is " protruding " flask body.Should " protruding " flask body by the shell of " protruding " type and with it the loam cake of cooperation fasten up and down and form." protruding " type shell and loam cake are formed by the engineering plastics injection mo(u)lding.Fig. 2 and Fig. 3 are respectively the vertical view and the end view of this magnetic latching relay.
The structure of shell 2 as shown in Figure 4, its edge is useful on the buckle structure that fastens with loam cake, the centre position is provided with the structure of Motionless electromagnetic system, still assembly, moving plate assembly.Shell 2 inside also are provided with the guide rail structure that slides for second drive link 9.
From Fig. 1～Fig. 4 as can be seen, the shell 2 that is " protruding " type is symmetrical structure, is provided with open slot in corresponding two sides, and still assembly exit and moving plate assembly exit stretch out to the relay outside from this open slot, use for wiring.In addition, also have a side to be provided with the control lead end 1 outwardly directed opening of coil in the power supply magnetic system.
Referring to Fig. 5～shown in Figure 8, electromagnetic system, drive system and contact system are arranged in the internal fixation of this magnetic latching relay.Be illustrated respectively below.
Electromagnetic system employing suction-type field structure (specifically can be referring to the applicant's patent application formerly " the suction-type field structure that is used for relay ", application number is 200720002391.6), comprise solenoid 19, magnetic conduction heel piece 16, magnetic conduction cover plate 15, permanent magnet 7, moving iron core 20 and last magnetic pole 21, lower magnetic pole 18.Two permanent magnets 7 are close to magnetic conduction heel piece 16, and lay respectively at the both sides of bobbin 17.Bobbin 17 and the enamelled wire 8 that twines on it have been formed solenoid 19.Last magnetic pole 21 is riveted on the magnetic conduction heel piece 16; Lower magnetic pole 18 is riveted on the magnetic conduction cover plate 15.Magnetic conduction cover plate 15 assemblings of the magnetic conduction heel piece 16 of magnetic pole 21 and riveted joint lower magnetic pole 18 form the magnetic conduction magnetic circuit that seals in the riveted joint, therefore have the effect of anti-extraneous strong magnetic.Shackle rod 22 and moving iron core 20 in the drive system connect as one, and pass the pilot hole of magnetic pole 21, and stretch out in electromagnetic system, and the operate condition of electromagnetic system is passed to drive system.
Contact system is made of still assembly and moving plate assembly.Still assembly and moving plate assembly have two groups, and all mount is the left-right symmetric mode and distributes in shell 2.Referring to shown in Figure 7, the still assembly is made up of conducting strip 12 and two fixed contacts 11, and fixed contact 11 riveted and fixed are on conducting strip 12.Referring to shown in Figure 8, the moving plate assembly is made up of long conducting strip 3, movable contact spring 6, two conduction splitters 4,5, spring 10 and moving contacts 24.Wherein, movable contact spring 6, conduction splitter 4,5 are connected with long conducting strip 3 respectively, are provided with the contact holes of alignment on movable contact spring 6 and conduction splitter 4,5, and moving contact 24 is passed by contact holes and connects movable contact spring 6 and conduct electricity splitter 4,5.Between moving contact 24 and shell 2, spring 10 is installed.Second drive link 9 also is connected with moving contact 24, so that the contact condition of control moving plate assembly and still assembly.
Referring to Fig. 5, Fig. 9 and shown in Figure 10, the drive system in the utility model is a kind of custom-designed linkage.This linkage is made up of shackle rod 22, first drive link 13, second drive link 9 and rotating shaft 14, and Fig. 9 and Figure 10 are the generalized schematic of this linkage.Wherein a is moving iron core 20, and b is a shackle rod 22, and c is second drive link 9, and d is first drive link 13.Second drive link 9 is realized being connected with first drive link 13 by rotating shaft 14, and first drive link 13 is that rotate with fixing radian at the center with rotating shaft 14.The other end of first drive link 13 is realized being connected with shackle rod 22 by rotating shaft 14.When moving iron core 20 moves, drive shackle rod 22 actions, shackle rod 22 drives first drive link 13, slides in the guide rail structure that shell 2 sets thereby further drive second drive link 9.When second drive link 9 slided, the moving plate assembly also can move thereupon, thereby effectively changes the contact condition of moving plate assembly and still assembly.
By above-mentioned explanation as can be seen, the kinematic link mechanism that the utility model adopted can effectively utilize the confining force of relay electro-magnetic system, thereby effectively increases the functional reliability of relay.
In addition, complex chart 5, Fig. 7 and shown in Figure 8, in the contact system of this relay, electric current is being divided into two-way after long conducting strip 3, is one the tunnel compiling again by two fixed contacts 11 and two moving contacts 24 respectively.Like this, the electric current that is born on the contact is 1/2 of a relay rated current, has reduced the scaling loss degree of contact when switch current, has effectively improved the electrical endurance of relay.And, instantaneous during in tolerance up to 30 times of short circuit currents, can effectively reduce the electrodynamic repulsion force that is subjected on the contact, further improve the functional reliability of relay.
This two-phase power magnetic force keeping relay is in when work, can directly change the sense of current and size in the coil by control lead end 1, thereby change corresponding electromagnetic force state.Particularly, the coil in the electromagnetic system utilizes electromagnetic force to change the state of moving iron core 20, is connected with shackle rod 22 and move iron core 20.The state variation of therefore moving iron core 20 passes to drive system by shackle rod 22, and drive system passes to the moving plate assembly in the contact system again, and the contact condition of moving plate assembly and still assembly is changed.So just realized utilizing this magnetic latching relay to control the purpose of other high-power circuit on off state.
More than control described in the utility model is had been described in detail with the two-phase power magnetic force keeping relay.For the those skilled in the art in present technique field, the various conspicuous change of under the situation of spirit that does not deviate from technical scheme described in the utility model and claim scope it being carried out is all within protection range of the present utility model.
Claims (4)
1. control two-phase power magnetic force keeping relay, comprise the electromagnetic system, drive system and the contact system that are enclosed in the housing that forms by shell and loam cake fastening, wherein said electromagnetic system adopts the suction-type field structure, described contact system comprises still assembly and moving plate assembly, it is characterized in that:
In the described electromagnetic system, gone up the magnetic conduction heel piece of magnetic pole and the magnetic conduction cover plate of riveted joint lower magnetic pole by riveted joint and assemble the magnetic conduction magnetic circuit that forms sealing, the moving iron core in the electromagnetic system and the shackle rod of described drive system connect as one;
Described drive system is made up of shackle rod, first drive link, second drive link and rotating shaft;
Described first drive link is realized being connected by described rotating shaft and second drive link, and is that rotate with fixing radian at the center with described rotating shaft, and described shackle rod is connected by described rotating shaft and the realization of described first drive link;
Described second drive link is connected with described moving plate assembly.
2. control two-phase power magnetic force keeping relay as claimed in claim 1 is characterized in that:
Described still assembly and described moving plate assembly have two groups respectively, be the left-right symmetric mode and distribute in described shell, and the conduction splitter in two groups of moving plate assemblies is connected with same long conducting strip respectively.
3. control two-phase power magnetic force keeping relay as claimed in claim 1 is characterized in that:
Described shell is symmetrical " protruding " type, is provided with open slot in corresponding two sides, and the exit of described still assembly and moving plate assembly stretches out to the relay outside from described open slot.
4. control two-phase power magnetic force keeping relay as claimed in claim 1 is characterized in that:
Described enclosure is provided with the guide rail structure that slides for described second drive link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200037769U CN201238011Y (en) | 2008-02-20 | 2008-02-20 | Diphasic high-power magnetic latching relay for control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200037769U CN201238011Y (en) | 2008-02-20 | 2008-02-20 | Diphasic high-power magnetic latching relay for control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201238011Y true CN201238011Y (en) | 2009-05-13 |
Family
ID=40650746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200037769U Expired - Lifetime CN201238011Y (en) | 2008-02-20 | 2008-02-20 | Diphasic high-power magnetic latching relay for control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201238011Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102956406A (en) * | 2012-11-13 | 2013-03-06 | 上海金岩电器制造有限公司 | Straight-pulling type magnetic latching relay |
| CN103247482A (en) * | 2013-05-22 | 2013-08-14 | 安徽永安电子科技有限公司 | Special transmission device with flexible shock absorption structure for magnetic latching relay |
| CN103441038A (en) * | 2013-08-16 | 2013-12-11 | 上海万佳联众电子有限公司 | Dual-phase relay |
| ITRM20130229A1 (en) * | 2013-04-17 | 2014-10-18 | Bitron Spa | DETECTED OR MEASURED MEASUREMENT EQUIPMENT. |
-
2008
- 2008-02-20 CN CNU2008200037769U patent/CN201238011Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102956406A (en) * | 2012-11-13 | 2013-03-06 | 上海金岩电器制造有限公司 | Straight-pulling type magnetic latching relay |
| CN102956406B (en) * | 2012-11-13 | 2015-03-11 | 上海金岩电器制造有限公司 | Straight-pulling type magnetic latching relay |
| ITRM20130229A1 (en) * | 2013-04-17 | 2014-10-18 | Bitron Spa | DETECTED OR MEASURED MEASUREMENT EQUIPMENT. |
| EP2793033A1 (en) * | 2013-04-17 | 2014-10-22 | BITRON S.p.A. | Improved detecting or measuring apparatus |
| CN103247482A (en) * | 2013-05-22 | 2013-08-14 | 安徽永安电子科技有限公司 | Special transmission device with flexible shock absorption structure for magnetic latching relay |
| CN103247482B (en) * | 2013-05-22 | 2015-11-11 | 安徽永安电子科技有限公司 | The transmission device of magnetic latching relay band special flexible damping structure |
| CN103441038A (en) * | 2013-08-16 | 2013-12-11 | 上海万佳联众电子有限公司 | Dual-phase relay |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: LEQING LIHUI ELECTRICAL APPLIANCE CO., LTD. Free format text: FORMER OWNER: ZHEJIANG PRESTIGE ELECTRONIC CO., LTD. Effective date: 20120410 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 325608 WENZHOU, ZHEJIANG PROVINCE TO: 325609 WENZHOU, ZHEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20120410 Address after: 325609, Yueqing, Zhejiang, Yueqing Po Chi Special Industrial Park (FAI science and technology inside) Patentee after: Yueqing Lihui Electrical Appliance Co., Ltd. Address before: 325608 Tiancheng Industrial Zone, Zhejiang, Yueqing Patentee before: Zhejiang Prestige Electronic Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090513 |