CN105679611A - Magnetic latching relay for resisting electromagnetic repulsion - Google Patents
Magnetic latching relay for resisting electromagnetic repulsion Download PDFInfo
- Publication number
- CN105679611A CN105679611A CN201610150819.5A CN201610150819A CN105679611A CN 105679611 A CN105679611 A CN 105679611A CN 201610150819 A CN201610150819 A CN 201610150819A CN 105679611 A CN105679611 A CN 105679611A
- Authority
- CN
- China
- Prior art keywords
- spring leaf
- relay
- magnetic latching
- electromagnetic repulsion
- latching relay
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
- H01H50/56—Contact spring sets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H51/00—Electromagnetic relays
- H01H51/01—Relays in which the armature is maintained in one position by a permanent magnet and freed by energisation of a coil producing an opposing magnetic field
Abstract
The invention discloses a magnetic latching relay for resisting electromagnetic repulsion. The magnetic latching relay comprises a relay base, wherein a stator plate assembly and a movable leaf spring assembly are arranged in the relay base; the movable leaf spring assembly is in contact connection with the stator plate assembly and comprises a conducting plate, a push card and a leaf spring; one end of the leaf spring is fixedly connected with the conducting plate; the other end of the leaf spring is connected with the push card; one end, connected with the conducting plate, of the leaf spring is in a bending structure; a positioning clamping groove is formed in the push card; and the push card is connected with the leaf spring through the positioning clamping groove. Through a bending structure design of the leaf spring, by resilience force of the leaf spring, the influences on a relay product caused by electromagnetic repulsion, contact system pressure, relay stress, mechanical impact and the like are reduced to the minimum; and meanwhile, the electromagnetic repulsion is counteracted by the resilience force of the leaf spring, so that the electrical life of the relay is greatly prolonged; and the resistance to temperature rise is greatly improved.
Description
Technical field
The present invention relates to relay technical field, particularly relate to a kind of magnetic latching relay resisting electromagnetic repulsion force.
Background technology
Magnetic latching relay is a kind of new type of relay grown up in recent years, is also a kind of switch automatically. The same with other electromagnetic relays, circuit is played turn on automatically and cutting action. Institute is entirely, the difference is that, the normally closed or normally open of magnetic latching relay, the effect relying on permanent-magnet steel, and the conversion of its on off state is that the pulse electrical signal by one fixed width triggers and completes.
In existing magnetic latching relay, what generally use is straight chip conducting strip relay or loop-type conducting strip relay, and when relay power, in contact moment, contact can produce very big short circuit current. The electromagnetic repulsion force that this short circuit current is formed is always on the rightabout of the closing of contact, and promote the power that power is electromagnetic system Accommodation of the closing of contact, it is insufficiently resistant to electromagnetic repulsion force, therefore easily knock-on and produce hard arc in contact, therefore contact can produce instantaneous high-temperature and melt and burn, so electromagnetic repulsion force has very big destruction.
In existing technology, no matter it is straight chip conducting strip relay, or loop-type conducting strip relay, due to the impact by contact force and electromagnetic repulsion force, the anti-repulsion design of shell fragment all has some limitations, and particularly has adjustment to easily lead to precompression deficiency when processing at product, so causing that relay is when logical loaded work piece switches, capital produces obvious electric arc, considerably reduces the electrical endurance of relay contact and the resistance to temperature rise ability of product.
Summary of the invention
It is an object of the invention to overcome weak point of the prior art, a kind of magnetic latching relay resisting electromagnetic repulsion force is provided, overcome the deficiency that current relay brings due to electromagnetic repulsion force, thus improving the electrical endurance of relay to greatest extent and improving the resistance to temperature rise ability of product.
It is an object of the invention to be achieved through the following technical solutions:
A kind of magnetic latching relay resisting electromagnetic repulsion force, including relay base, is provided with still assembly and the spring assembly of moving being connected with described still component touch in described relay base;
Described spring assembly of moving includes: conducting strip, push card and spring leaf, one end of described spring leaf is fixing with described conducting strip to be connected, the other end of described spring leaf is connected with described push card, and one end that described spring leaf is connected with described conducting strip is bending-type structure;
Offering locating groove in described push card, described push card is connected with described spring leaf by described locating groove.
As a preferred embodiment of the present invention, described spring leaf includes the first spring leaf of sequentially overlapped setting, the second spring leaf and the 3rd spring leaf, and a surface of described 3rd spring leaf contacts with described conducting strip.
As a preferred embodiment of the present invention, the surface of described first spring leaf is provided with movable contact.
As a preferred embodiment of the present invention, described movable contact is provided with two.
As a preferred embodiment of the present invention, described still assembly includes still and is located at the stationary contact on described still surface, and described stationary contact contacts connection with described movable contact.
As a preferred embodiment of the present invention, in described relay base, it is also equipped with electromagnetic assembly and permanent-magnet component.
As a preferred embodiment of the present invention, described electromagnetic assembly includes: the first yoke, the second yoke, iron core and be located at the coil between described first yoke and described second yoke, and described iron core is arranged on described coil.
As a preferred embodiment of the present invention, described permanent-magnet component includes the first armature, the second armature and permanent-magnet steel.
Compared with prior art, the invention have the advantages that
1, the magnetic latching relay of the opposing electromagnetic repulsion force of the present invention structural design by the bending-type of spring leaf, utilize the resilience force of spring leaf itself, by relay product due to by electromagnetic repulsion force, the pressure of contact system own and affected be preferably minimized by stress own, mechanical shock etc.
2, the magnetic latching relay of the opposing electromagnetic repulsion force of the present invention uses double-contact design, is further ensured that the reliability of relay contact system, reduces the contact drop of contact system.
3, the magnetic latching relay of the opposing electromagnetic repulsion force of the present invention design by push card and the fit structure of spring leaf so that spring leaf and push card are in zero-play condition all the time, so spring leaf is constant with push card position, elastic force is also stable.
Accompanying drawing explanation
Fig. 1 is the cut-away view of the magnetic latching relay of the opposing electromagnetic repulsion force of one embodiment of the invention;
Fig. 2 is the structure chart of the spring assembly of moving of the magnetic latching relay of the opposing electromagnetic repulsion force of Fig. 1;
Fig. 3 is the exploded view of the spring assembly of moving of Fig. 2;
Fig. 4 is the overall exploded view of the magnetic latching relay of the opposing electromagnetic repulsion force of Fig. 1.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
As shown in Figure 1, cut-away view for the magnetic latching relay 10 resisting electromagnetic repulsion force of one embodiment of the invention, a kind of magnetic latching relay 10 resisting electromagnetic repulsion force, including relay base 100, still assembly 200 is installed in relay base 100 and contacts the spring assembly 300 of moving connected with still assembly 200. Electromagnetic assembly 400 and permanent-magnet component 500 it is also equipped with in relay base 100.
Still assembly 200 includes still 210 and is located at the stationary contact 220 on still 210 surface.
As shown in Figure 2, spring assembly 300 of moving includes: conducting strip 310, push card 320 and spring leaf 330, one end of spring leaf 330 is fixing with conducting strip 310 to be connected, and the other end of spring leaf 330 is connected with push card 320, and one end that spring leaf 330 is connected with conducting strip 310 is bending-type structure.
The design that one end is bending-type structure being connected with conducting strip 310 about spring leaf 330, to illustrate that, shell fragment adopts the design of bending-type structure, for structure, spring leaf 330 integral part compared with traditional reed design is lengthened, so can be diffused into whole inner space faster by the heat of spring leaf 330 to dispel the heat, so that heat radiation is accelerated.
Furthermore, bending-type structure can be designed so that relay in closing course except permanent-magnet component 500 to constant pressure except, also ensure that resilience force produced by the resilience of spring leaf 330 own, accordingly even when create electromagnetic repulsion force in the process of bringing onto load switching, also the resilience force that can pass through spring leaf 330 itself is effectively offset, thus greatly promoting the electrical endurance of relay and resistance to temperature rise ability.
Spring leaf 330 adopts the design of bending-type structure, it is ensured that though product at switching to the closure state initial stage, spring leaf 330 also can pass through the elastic force auxiliary of itself, reduces required electromagnetic force during switching so that product can accomplish more small-power, reaches energy-conservation purpose,
As it is shown on figure 3, offer locating groove 321 in push card 320, push card 320 is connected with spring leaf 330 by locating groove 321.
Spring leaf 330 includes the first spring leaf the 331, second spring leaf 332 and the 3rd spring leaf 333 of sequentially overlapped setting, and a surface of the 3rd spring leaf 333 contacts with conducting strip.
The surface of the first spring leaf 331 is provided with movable contact 334, and movable contact 334 contacts connection with stationary contact 220, and in an embodiment of the present invention, movable contact 334 and stationary contact 220 are respectively provided with two.
To illustrate that, still assembly 200 adopts the way of contact of double-contact with spring assembly 300 of moving, can so that still assembly 200 be in the same size with the two-way pressure of spring assembly 300 compressing flex of moving, ensure that the contact of relay rebounds, so that relay stability is higher, and the ability of resistance to temperature rise is higher.
One end that first spring leaf 331 is connected with push card 320 is provided with the first bending angle 331a, one end that 3rd spring leaf 333 is connected with push card 320 is provided with the second bending angle 333a, and the second spring leaf 332 is with to state one end that push card 320 is connected be straight slice structure. First bending angle 331a and the second bending angle 333a bending in opposite direction. First bending angle 331a, the second bending angle 333a cooperate with the locating groove 321 in push card 320 and are connected. One end that first spring leaf 331 is connected with push card 320 is additionally provided with folded over limit 331b.
To illustrate that, push card 320 is the space by fixing push card 320 before and after the first bending angle 331a on the first spring leaf 331 and the 3rd spring leaf 333 and the second bending angle 333a, and the locating groove 321 penetrated in push card 320 by the first spring leaf 331 and the second spring leaf 332 is fixed so that the first spring leaf 331 is relatively fixed, with push card 320, the pressure producing static condition. By this fixed form so that push card 320 can be movable in a constant range, and such spring leaf 330 is in zero-play condition all the time with push card 320, so spring leaf 330 is constant with push card 320 position, elastic force is also stable.
In conjunction with, shown in Fig. 1 and Fig. 4, being also equipped with electromagnetic assembly 400 and permanent-magnet component 500 in relay base 100, permanent-magnet component 500 rotates and is installed on fixed mount 600.
Electromagnetic assembly 400 includes: first yoke the 410, second yoke 420, iron core 430 and be located at the coil 440 between the first yoke 410 and the second yoke 420.Iron core 430 is arranged on coil 440.
Permanent-magnet component 500 includes the first armature, the second armature and permanent-magnet steel.
It is noted that permanent-magnet component 500 rotates and is installed on fixed mount 600, by rotating under the combined effect of active force, thus driving push card 320 to move.
Compared with prior art, the invention have the advantages that
1, the magnetic latching relay 10 of the opposing electromagnetic repulsion force of the present invention structural design by the bending-type of spring leaf 330, utilize the resilience force of spring leaf 330 itself, by relay product owing to being preferably minimized by electromagnetic repulsion force, the pressure of contact system own and being affected by stress own, mechanical shock etc.
2, the magnetic latching relay 10 of the opposing electromagnetic repulsion force of the present invention uses double-contact to design, and is further ensured that the reliability of relay contact system, reduces the contact drop of contact system.
3, the magnetic latching relay 10 of the opposing electromagnetic repulsion force of the present invention design by push card 320 and the fit structure of spring leaf 330, spring leaf 330 and push card 320 is made to be in zero-play condition all the time, so spring leaf 330 is constant with push card 320 position, elastic force is also stable.
Above-described embodiment is the present invention preferably embodiment; but embodiments of the present invention are also not restricted to the described embodiments; the change made under other any spirit without departing from the present invention and principle, modification, replacement, combination, simplification; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (8)
1. the magnetic latching relay resisting electromagnetic repulsion force, it is characterised in that include relay base, is provided with still assembly and the spring assembly of moving being connected with described still component touch in described relay base;
Described spring assembly of moving includes: conducting strip, push card and spring leaf, and one end of described spring leaf is fixing with described conducting strip to be connected, and the other end of described spring leaf is connected with described push card;
One end that described spring leaf is connected with described conducting strip is bending-type structure;
Offering locating groove in described push card, described push card is connected with described spring leaf by described locating groove.
2. the magnetic latching relay of opposing electromagnetic repulsion force according to claim 1, it is characterized in that, described spring leaf includes the first spring leaf of sequentially overlapped setting, the second spring leaf and the 3rd spring leaf, and a surface of described 3rd spring leaf contacts with described conducting strip.
3. the magnetic latching relay of opposing electromagnetic repulsion force according to claim 2, it is characterised in that the surface of described first spring leaf is provided with movable contact.
4. the magnetic latching relay of opposing electromagnetic repulsion force according to claim 3, it is characterised in that described movable contact is provided with two.
5. the magnetic latching relay of opposing electromagnetic repulsion force according to claim 4, it is characterised in that described still assembly includes still and is located at the stationary contact on described still surface, and described stationary contact contacts connection with described movable contact.
6. the magnetic latching relay of opposing electromagnetic repulsion force according to claim 1, it is characterised in that be also equipped with electromagnetic assembly and permanent-magnet component in described relay base.
7. the magnetic latching relay of opposing electromagnetic repulsion force according to claim 6, it is characterized in that, described electromagnetic assembly includes: the first yoke, the second yoke, iron core and be located at the coil between described first yoke and described second yoke, and described iron core is arranged on described coil.
8. the magnetic latching relay of opposing electromagnetic repulsion force according to claim 6, it is characterised in that described permanent-magnet component includes the first armature, the second armature and permanent-magnet steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610150819.5A CN105679611A (en) | 2016-03-16 | 2016-03-16 | Magnetic latching relay for resisting electromagnetic repulsion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610150819.5A CN105679611A (en) | 2016-03-16 | 2016-03-16 | Magnetic latching relay for resisting electromagnetic repulsion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105679611A true CN105679611A (en) | 2016-06-15 |
Family
ID=56310683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610150819.5A Pending CN105679611A (en) | 2016-03-16 | 2016-03-16 | Magnetic latching relay for resisting electromagnetic repulsion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105679611A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107342190A (en) * | 2017-08-22 | 2017-11-10 | 江阴力源电子有限公司 | A kind of pushing mechanism of bistable magnetic latching relay |
| CN108962689A (en) * | 2017-07-11 | 2018-12-07 | 厦门宏发电力电器有限公司 | A kind of movable contact spring and its electromagnetic relay that resist blocking and that ability and disjunction power can be improved |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201655692U (en) * | 2010-03-05 | 2010-11-24 | 深圳市创银科技股份有限公司 | Magnetic latching relay |
| CN202930332U (en) * | 2012-09-11 | 2013-05-08 | 浙江亿德科技有限公司 | Magnetic latching relay |
| CN103227078A (en) * | 2013-04-12 | 2013-07-31 | 东莞市三友联众电器有限公司 | Elastic-piece closed initial power enhanced magnetic latching relay |
| CN203205353U (en) * | 2013-04-19 | 2013-09-18 | 湖南航天经济发展有限公司 | Magnetic latching relay for increasing load contact pressure |
| CN104037026A (en) * | 2014-06-30 | 2014-09-10 | 惠州亿纬锂能股份有限公司 | Magnetic latching relay |
| CN204102816U (en) * | 2014-09-23 | 2015-01-14 | 东莞市三友联众电器有限公司 | A kind of have the magnetic latching relay contact system reducing closed bouncing time |
| CN204991503U (en) * | 2014-08-21 | 2016-01-20 | 德昌电机(深圳)有限公司 | Big power relay of bistable state |
| CN205542620U (en) * | 2016-03-16 | 2016-08-31 | 惠州亿纬科技有限公司 | Resist magnetic repulsion's magnetic latching relay |
-
2016
- 2016-03-16 CN CN201610150819.5A patent/CN105679611A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201655692U (en) * | 2010-03-05 | 2010-11-24 | 深圳市创银科技股份有限公司 | Magnetic latching relay |
| CN202930332U (en) * | 2012-09-11 | 2013-05-08 | 浙江亿德科技有限公司 | Magnetic latching relay |
| CN103227078A (en) * | 2013-04-12 | 2013-07-31 | 东莞市三友联众电器有限公司 | Elastic-piece closed initial power enhanced magnetic latching relay |
| CN203205353U (en) * | 2013-04-19 | 2013-09-18 | 湖南航天经济发展有限公司 | Magnetic latching relay for increasing load contact pressure |
| CN104037026A (en) * | 2014-06-30 | 2014-09-10 | 惠州亿纬锂能股份有限公司 | Magnetic latching relay |
| CN204991503U (en) * | 2014-08-21 | 2016-01-20 | 德昌电机(深圳)有限公司 | Big power relay of bistable state |
| CN204102816U (en) * | 2014-09-23 | 2015-01-14 | 东莞市三友联众电器有限公司 | A kind of have the magnetic latching relay contact system reducing closed bouncing time |
| CN205542620U (en) * | 2016-03-16 | 2016-08-31 | 惠州亿纬科技有限公司 | Resist magnetic repulsion's magnetic latching relay |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108962689A (en) * | 2017-07-11 | 2018-12-07 | 厦门宏发电力电器有限公司 | A kind of movable contact spring and its electromagnetic relay that resist blocking and that ability and disjunction power can be improved |
| CN108962689B (en) * | 2017-07-11 | 2023-11-17 | 厦门宏发电力电器有限公司 | Movable contact spring capable of improving anti-adhesion capability and breaking force and electromagnetic relay thereof |
| CN107342190A (en) * | 2017-08-22 | 2017-11-10 | 江阴力源电子有限公司 | A kind of pushing mechanism of bistable magnetic latching relay |
| CN107342190B (en) * | 2017-08-22 | 2019-07-19 | 江阴力源电子有限公司 | A kind of pushing mechanism of bistable magnetic latching relay |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2394284B1 (en) | Electromagnetic relay assembly | |
| JP2012517093A (en) | Electromagnetic relay assembly | |
| KR101951428B1 (en) | Latch Relay | |
| CN205542620U (en) | Resist magnetic repulsion's magnetic latching relay | |
| CN105679611A (en) | Magnetic latching relay for resisting electromagnetic repulsion | |
| JP4281251B2 (en) | Electromagnetic relay | |
| CN113178359A (en) | High-voltage direct-current relay with magnetic steel arc extinguishing function | |
| JP2011108452A (en) | Electromagnetic relay | |
| CN203205353U (en) | Magnetic latching relay for increasing load contact pressure | |
| CN104299853A (en) | Magnetic latching relay contact system capable of shortening closure bounce time | |
| CN204809158U (en) | Bridge type double break point DC electromagnetic contactor | |
| CN205542622U (en) | Magnetic latching relay for synchro switch | |
| CN216120109U (en) | High-voltage direct-current relay capable of enhancing arc extinguishing capability | |
| CN109920704A (en) | Anti- Lorentz force relay | |
| CN213845169U (en) | Magnetic latching relay | |
| CN113808884A (en) | High-voltage direct-current relay capable of longitudinally arcing | |
| CN220753326U (en) | Magnetic latching relay capable of effectively extinguishing arc | |
| CN107342190B (en) | A kind of pushing mechanism of bistable magnetic latching relay | |
| CN217788293U (en) | Magnetic latching relay push-piece structure | |
| CN108461355B (en) | High-voltage direct-current relay with micro switch | |
| CN209912814U (en) | Stable state electromechanical relay for preventing bad contact | |
| CN219917049U (en) | Delay release and circuit breaker | |
| CN214505390U (en) | High-voltage direct-current relay with magnetic steel arc extinguishing function | |
| CN219534341U (en) | Contactor with movable plate arc extinguishing structure | |
| CN215869142U (en) | High-voltage direct-current relay capable of longitudinally arcing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 516003 Guangdong Province, Huizhou city Huicheng District Jiangbei two Road No. two, decimating the Laguna The Heart of Pai 18 floor of No. 03 Applicant after: Huizhou billion Holdings Co., Ltd. Address before: Goose Ridge Road 516008 in Guangdong province Huizhou city Huicheng District No. 110 building 117th room B1201 and Jin Ge Applicant before: HUIZHOU EVE TECHNOLOGY CO., LTD. |
|
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160615 |