CN201435353Y - Magnetic latching relay of rotary magnetic circuit structure - Google Patents
Magnetic latching relay of rotary magnetic circuit structure Download PDFInfo
- Publication number
- CN201435353Y CN201435353Y CN2009201392156U CN200920139215U CN201435353Y CN 201435353 Y CN201435353 Y CN 201435353Y CN 2009201392156 U CN2009201392156 U CN 2009201392156U CN 200920139215 U CN200920139215 U CN 200920139215U CN 201435353 Y CN201435353 Y CN 201435353Y
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- contact spring
- movable contact
- swing arm
- push card
- spring
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Abstract
The utility model discloses a magnetic latching relay of a rotary magnetic circuit structure. The magnetic latching relay comprises push cards, a rotary armature portion, movable reeds, movable contacts, fixed contacts and lead-out pieces, wherein the lower armature of the armature portion is provided with a left and a right swinging arms, the end portions of the left and the right swinging arms are respectively clamped with the upper end portions of the left and the right push cards, the lower end portions of the left and the right push cards are respectively clamped with one ends of the leftand the right movable reeds, the other end of the left movable reed is fixed with the left lower movable reed lead-out piece, the right fixed contact which is matched with the left movable contact isfixed on an upper fixed reed, the other end of the right movable reed is fixed with the right upper movable reed lead-out piece, and the right fixed contact which is matched with the right movable reed is fixed in a right lower fixed reed. After adopting the structure, the magnetic circuit portion can be directly connected with the movable reeds of the contact portion only through two push cards,the number of required element is few, and the structure is simple, thereby improving the movement reliability of the relay, and having the characteristics of low cost and high production efficiency.
Description
Technical field
The utility model relates to a kind of relay, particularly relates to the magnetic latching relay that has the specified arrangement and the kind of drive between a kind of electromagnetic system and the contact system.
Background technology
Magnetic latching relay is a kind of new type of relay that grew up in recent years, also is a kind of automatic switch.The same with other electromagnetic relays, circuit is played automatic connection and cutting action.Different is, the normally closed or normally open of magnetic latching relay is the effect that relies on permanent-magnet steel fully, and the conversion of its on off state triggers by the pulse electrical signal of certain width and finishes.When the contact of relay need be opened or be closed state (when switching on or off load), only need to use just (instead) dc pulse voltage excitation coil, relay has just been finished the state exchange of opening and closing in moment.When usually the contact was in hold mode, coil need not continue energising, and it is constant to only depend on the magnetic force of permanent-magnet steel just can keep the state of relay.Magnetic latching relay is widely used in the electric power system.
The existing switch load that is used for is that the power magnetic force keeping relay of 240VAC, 200A mainly contains two kinds of typical structures, and a kind of is the magnetic latching relay of Direct Action Type magnetic structure; Another kind is the magnetic latching relay of rotary magnetic line structure; The former defective: the one, the input power of coil is big, the 2nd, relay is under two states of the contact disconnection and the closing of contact, the size that movable armature is partly gone up suffered power differs greatly, like this action, the involution voltage of relay will differ greatly, and the action stability of relay is bad; Though the latter is the rotary magnetic line structure, during the closed and disconnected of contact, two push card are to push away simultaneously or draw simultaneously, so just caused the part that promotes part many, make the mechanism of promotion very complicated, the dimension precision requirement height of part is unfavorable for producing in enormous quantities.
The utility model content
The purpose of this utility model is to overcome the deficiency of prior art, a kind of magnetic latching relay of rotary magnetic line structure is provided, its magnetic circuit part only directly is connected with the movable contact spring of contact portion by two push card, the quantity of used part is few, simple for structure, thereby improved the reliable in action of relay, and it is low to have a cost, the characteristics that production efficiency is high.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of magnetic latching relay of rotary magnetic line structure comprises push card, rotatable armature part, movable contact spring, moving contact, fixed contact and lead-out tablet; The center of rotatable armature part is provided with rotating shaft, left and right left swing arm and the right swing arm that is respectively equipped with the opposite lower armature of swaying direction below rotating shaft; The end of a left side swing arm, right swing arm respectively with the upper end of left push card, right push card cutting ferrule mutually; The bottom of a left side push card, right push card respectively with the end clamping mutually of left movable contact spring, right movable contact spring; The moving spring lead-out tablet in the other end of left side movable contact spring and lower-left fixes, and the upside of left movable contact spring is equipped with left moving contact, and the left fixed contact that matches with left moving contact is fixed in the upper left static contact spring piece; The other end and the upper right moving spring lead-out tablet of right movable contact spring fix, and the downside of right movable contact spring is equipped with right moving contact, and the right fixed contact that matches with right moving contact is fixed in the static contact spring piece of bottom right.
Described rotatable armature partly comprises upper and lower armature and magnet steel, and upper and lower armature and magnet steel are connected into a H shape of toppling over, and wherein the two ends of lower armature stretch out respectively and constitute left swing arm and right swing arm.
Be respectively equipped with on described lower armature left side swing arm and the right swing arm and be used for realizing the bending of stepping down.
The upper end of described left push card and right push card is provided with groove respectively, the left swing arm of lower armature and the free end of right swing arm are contained in respectively in left push card and the pairing groove of right push card, are provided with the gap that is used for realizing idle stroke between the cell wall of the left swing arm of lower armature and the free end of right swing arm and described respective slot.
Described left movable contact spring along continuous straight runs and establishing; Left side movable contact spring has left sectional grooves along the length direction of its lamellar body, and left sectional grooves is extended the end that joins of the moving spring lead-out tablet of movable contact spring and lower-left left by the end edge that joins of left movable contact spring and left push card; Left side movable contact spring is divided into left front movable contact spring and left back movable contact spring by left sectional grooves.
Described left front movable contact spring and left back movable contact spring are equipped with a left moving contact respectively, the center of described left sectional grooves distance between the left moving contact of the left moving contact of left front movable contact spring and left back movable contact spring.
The lower end of described left push card is connected to the left sectional grooves place of described left movable contact spring.
Described right movable contact spring along continuous straight runs and establishing; Right movable contact spring has right sectional grooves along the length direction of its lamellar body, and right sectional grooves is by holding joining of right movable contact spring and right push card along the end extension of joining of movable contact spring and upper right moving spring lead-out tablet to the right; Right movable contact spring is divided into right front movable contact spring and right back movable contact spring by right sectional grooves.
Described right front movable contact spring and right back movable contact spring are equipped with a right moving contact respectively, the center of described right sectional grooves distance between the right moving contact of the right moving contact of right front movable contact spring and right back movable contact spring.
The lower end of described right push card is connected to the right sectional grooves place of described right movable contact spring.
The magnetic latching relay of a kind of rotary magnetic line structure of the present utility model, it is design by the specified arrangement and the kind of drive between electromagnetic system and the contact system, make relay in the closing of contact, when disconnecting, two push card all are to draw one to push away to the action of movable contact spring.The excitation effect that partly is subjected to yoke when rotatable armature is when clockwise direction rotates, and the left swing arm of lower armature is swing upwards, and the right swing arm of lower armature is to lower swing; When left side swing arm is upwards swung left push card is upwards drawn, left side push card by on driven when drawing and have the left movable contact spring of left moving contact partly to move upward, because left fixed contact is fixed on upper left static contact spring piece, be positioned at the top of left movable contact spring, therefore, this action makes the left moving contact on the left movable contact spring contact with the left fixed contact that is positioned at the top, has realized the closure of contact, and the moving spring lead-out tablet in upper left static contact spring piece and lower-left is realized electric connection; Right swing arm pushes away right push card downwards when lower swing, having driven when pushing away under the right push card has the right movable contact spring of right moving contact partly to move downward, because right fixed contact is fixed on the bottom right static contact spring piece, be positioned at the below of right movable contact spring, therefore, this action makes the right moving contact on the right movable contact spring contact with the right fixed contact that is positioned at the below, has also realized the closure of contact, and upper right moving spring lead-out tablet and bottom right static contact spring piece are realized the electricity connection.The excitation effect that partly is subjected to yoke when rotatable armature is when counterclockwise rotating, and the left swing arm of lower armature is to lower swing, and the right swing arm of lower armature is swing upwards; When the left swing arm of lower armature is swung left push card is pushed away downwards, having driven when pushing away under the push card of a left side has the left movable contact spring of left moving contact partly to move downward, the left moving contact on the left movable contact spring and the left fixed contact of upper left static contact spring piece are separated, realized the disconnection of contact, upper left static contact spring piece is not communicated with the moving spring lead-out tablet in lower-left; When the right swing arm of lower armature is upwards swung right push card is upwards drawn, having driven when drawing on the right push card has the right movable contact spring of right moving contact partly to move upward, the right moving contact on the right movable contact spring and the right fixed contact of bottom right static contact spring piece are separated, realized the disconnection of contact, upper right moving spring lead-out tablet is not communicated with the bottom right static contact spring piece yet.
The beneficial effects of the utility model are, owing to adopted the left and right left swing arm of the opposite lower armature of swaying direction and the right swing arm of lower armature of being respectively equipped with below rotating shaft; And the end of left swing arm, right swing arm respectively with the upper end of left push card, right push card cutting ferrule mutually; The bottom of a left side push card, right push card respectively with the end clamping mutually of left movable contact spring, right movable contact spring; The moving spring lead-out tablet in the other end of left side movable contact spring and lower-left fixes, and the upside of left movable contact spring is equipped with left moving contact, and the left fixed contact that matches with left moving contact is fixed in the upper left static contact spring piece; The other end and the upper right moving spring lead-out tablet of right movable contact spring fix, and the downside of right movable contact spring is equipped with right moving contact, and the right fixed contact that matches with right moving contact is fixed in the static contact spring piece of bottom right.This structure is that the rotation magnetic circuit is in the same place by a specific textural association with the contact system with Short Circuit withstand function of current, make the armature part under the disconnection and closure state of the contact of relay, all be by push card movable contact spring one to be pushed away one to draw, like this, just guaranteed that under the disconnection and closure state of the contact of relay the size that is applied to the power on the armature part by push card is basic equating; Its magnetic circuit part only directly is connected with the movable contact spring of contact portion by two push card, and the quantity of used part is few, and is simple for structure, thereby improved the reliable in action of relay, and it is low to have a cost, the characteristics that production efficiency is high.
Below in conjunction with drawings and Examples the utility model is described in further detail; But the magnetic latching relay of a kind of rotary magnetic line structure of the present utility model is not limited to embodiment.
Description of drawings
Fig. 1 is the organigram of the utility model (critical piece);
Fig. 2 is the front view of the utility model (critical piece);
Fig. 3 is the organigram of armature part of the present utility model;
Fig. 4 organigram that to be push card of the present utility model partly match with armature;
Fig. 5 vertical view that to be push card of the present utility model partly match with armature;
Fig. 6 is the cutaway view along A-A line among Fig. 5;
Fig. 7 is a local structure schematic diagram of the present utility model.
Embodiment
Shown in accompanying drawing, the magnetic latching relay of a kind of rotary magnetic line structure of the present utility model comprises push card 1, rotatable armature part 2, movable contact spring 3, moving contact 4, fixed contact 5, lead-out tablet 6, yoke 7 and coil 8; Push card 1 includes left push card 11 and right push card 12; Movable contact spring 3 includes left movable contact spring 31 and right movable contact spring 32; Moving contact 4 includes left moving contact 41 and right moving contact 42; Moving contact 4 includes left fixed contact 51 and right fixed contact 52; Lead-out tablet 6 includes the moving spring lead-out tablet 61 in lower-left, upper left static contact spring piece 62, upper right moving spring lead-out tablet 63 and bottom right static contact spring piece 64; Yoke 7 is loaded on coil 8;
The center of rotatable armature part 2 is provided with rotating shaft 21, and armature part 2 is contained between base and the fixed mount by rotating shaft 21; The left and right left swing arm 22 of the opposite lower armature of swaying direction and the right swing arm 23 of lower armature of being respectively equipped with below rotating shaft 21; The end of a left side swing arm 22, right swing arm 23 respectively with the upper end of left push card 11, right push card 12 cutting ferrule mutually; The bottom of a left side push card 11, right push card 12 respectively with the end clamping mutually of left movable contact spring 31, right movable contact spring 32; The moving spring lead-out tablet 61 in the other end of left side movable contact spring 31 and lower-left fixes, and the upside of left movable contact spring 31 is equipped with left moving contact 41, and the left fixed contact 51 that matches with left moving contact 41 is fixed in the upper left static contact spring piece 62; The other end and the upper right moving spring lead-out tablet 63 of right movable contact spring 32 fix, and the downside of right movable contact spring 32 is equipped with right moving contact 42, and the right fixed contact 52 that matches with right moving contact 42 is fixed in the bottom right static contact spring piece 64.
Wherein:
The left swing arm 22 of lower armature is provided with and is used for realizing the bending 221 of stepping down and bending 222; The right swing arm 23 of lower armature is provided with and is used for realizing the bending 231 of stepping down and bending 232;
The upper end of left side push card 11 is provided with groove 111, the upper end of right push card 12 is provided with groove 121, the free end of the left swing arm 22 of lower armature is contained in the groove 111 of left push card 11, is provided with between the free end of the left swing arm 22 of lower armature and the cell wall of described groove 111 and is used for realizing the idle stroke gap; The free end of the right swing arm 23 of lower armature is contained in the groove 121 of right push card 12, is provided with the gap that is used for realizing idle stroke between the free end of the right swing arm 23 of lower armature and the cell wall of described groove 121;
Left side movable contact spring 31 along continuous straight runs and establishing; Left side movable contact spring 31 has left sectional grooves 311 along the length direction of its lamellar body, and left sectional grooves 311 is extended the end that joins of the moving spring lead-out tablet of movable contact spring and lower-left left by the end edge that joins of left movable contact spring and left push card; Left side movable contact spring 31 is divided into left front movable contact spring 312 and left back movable contact spring 313 by left sectional grooves 311;
Left front movable contact spring 312 and left back movable contact spring 313 are equipped with a left moving contact 41 respectively, the center of this left side sectional grooves 311 distance between the left moving contact 41 of the left moving contact 41 of left front movable contact spring 312 and left back movable contact spring 313;
The lower end of left side push card 11 is connected to left sectional grooves 311 places of described left movable contact spring;
Right movable contact spring 32 along continuous straight runs and establishing; Right movable contact spring 32 has right sectional grooves 321 along the length direction of its lamellar body, and right sectional grooves 321 is by holding joining of right movable contact spring and right push card along the end extension of joining of movable contact spring and upper right moving spring lead-out tablet to the right; Right movable contact spring 32 is divided into right front movable contact spring 322 and right back movable contact spring 323 by right sectional grooves 321;
Right front movable contact spring 322 and right back movable contact spring 323 are equipped with a right moving contact 42 respectively, the center of this right side sectional grooves 321 distance between the right moving contact 42 of the right moving contact 42 of right front movable contact spring 322 and right back movable contact spring 323;
The lower end of right push card 12 is connected to right sectional grooves 321 places of described right movable contact spring.
The magnetic latching relay of a kind of rotary magnetic line structure of the present utility model, it is design by the specified arrangement and the kind of drive between electromagnetic system and the contact system, relay is in the closing of contact, when disconnecting, and two push card all are to draw one to push away to the action of movable contact spring.The excitation effect that is subjected to yoke 7 when rotatable armature part 2 when clockwise direction rotates, the upwards swing of left swing arm 22 of the lower armature of armature part, the right swing arm 23 of the lower armature of armature part is to lower swing; When the left swing arm 22 of lower armature is upwards swung left push card 11 is upwards drawn, left side push card 11 by on driven when drawing and have the left movable contact spring of left moving contact 31 parts to move upward, because left fixed contact 51 is fixed on upper left static contact spring piece 62, be positioned at the top of left movable contact spring 31, therefore, this action makes the left moving contact 41 on the left movable contact spring contact with the left fixed contact 51 that is positioned at the top, has realized the closure of contact, and upper left static contact spring piece 62 is realized electric connection with the moving spring lead-out tablet 61 in lower-left; The right swing arm 23 of lower armature pushes away right push card 12 downwards when lower swing, right push card has driven when pushing away for 12 times has the right movable contact spring of right moving contact 32 parts to move downward, because right fixed contact 52 is fixed on bottom right static contact spring piece 64, be positioned at the below of right movable contact spring 32, therefore, this action makes the right moving contact 42 on the right movable contact spring contact with the right fixed contact 52 that is positioned at the below, has also realized the closure of contact, and upper right moving spring lead-out tablet 63 is realized electric connection with bottom right static contact spring piece 64.The excitation effect that is subjected to yoke 7 when rotatable armature part 2 is when counterclockwise rotating, and the left swing arm 22 of the lower armature of armature part is to lower swing, the upwards swing of right swing arm 23 of the lower armature of armature part; The left swing arm 22 of lower armature pushes away left push card 11 downwards when lower swing, left side push card has driven when pushing away for 11 times has the left movable contact spring of left moving contact 31 parts to move downward, the left fixed contact 51 of left moving contact 41 and upper left static contact spring piece on the left movable contact spring is separated, realized the disconnection of contact, upper left static contact spring piece 62 is not communicated with the moving spring lead-out tablet 61 in lower-left; When the right swing arm 23 of lower armature is upwards swung right push card 12 is upwards drawn, having driven when drawing on the right push card 12 has the right movable contact spring of right moving contact 32 parts to move upward, the right fixed contact 52 of right moving contact 42 and bottom right static contact spring piece on the right movable contact spring is separated, also realized the disconnection of contact, upper right moving spring lead-out tablet 63 is not communicated with bottom right static contact spring piece 64.
The foregoing description only is used for further specifying the magnetic latching relay of a kind of rotary magnetic line structure of the present utility model; but the utility model is not limited to embodiment; every foundation technical spirit of the present utility model all falls in the protection range of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.
Claims (10)
1. the magnetic latching relay of a rotary magnetic line structure comprises push card, rotatable armature part, movable contact spring, moving contact, fixed contact and lead-out tablet; The center of rotatable armature part is provided with rotating shaft; It is characterized in that: left and right left swing arm and the right swing arm that is respectively equipped with the opposite lower armature of swaying direction below rotating shaft; The end of a left side swing arm, right swing arm respectively with the upper end of left push card, right push card cutting ferrule mutually; The bottom of a left side push card, right push card respectively with the end clamping mutually of left movable contact spring, right movable contact spring; The moving spring lead-out tablet in the other end of left side movable contact spring and lower-left fixes, and the upside of left movable contact spring is equipped with left moving contact, and the left fixed contact that matches with left moving contact is fixed in the upper left static contact spring piece; The other end and the upper right moving spring lead-out tablet of right movable contact spring fix, and the downside of right movable contact spring is equipped with right moving contact, and the right fixed contact that matches with right moving contact is fixed in the static contact spring piece of bottom right.
2. the magnetic latching relay of rotary magnetic line structure according to claim 1, it is characterized in that: described rotatable armature partly comprises upper and lower armature and magnet steel, upper and lower armature and magnet steel are connected into a H shape of toppling over, and wherein the two ends of lower armature stretch out respectively and constitute the left swing arm and the right swing arm of lower armature.
3. the magnetic latching relay of rotary magnetic line structure according to claim 1 and 2 is characterized in that: be respectively equipped with on the left swing arm iron of described lower armature and the right swing arm and be used for realizing the bending of stepping down.
4. the magnetic latching relay of rotary magnetic line structure according to claim 1, it is characterized in that: the upper end of described left push card and right push card is provided with groove respectively, the left swing arm of lower armature and the free end of right swing arm are contained in respectively in left push card and the pairing groove of right push card, are provided with the gap that is used for realizing idle stroke between the cell wall of the left swing arm of lower armature and the free end of right swing arm and described respective slot.
5. the magnetic latching relay of rotary magnetic line structure according to claim 1 is characterized in that: described left movable contact spring along continuous straight runs and establishing; Left side movable contact spring has left sectional grooves along the length direction of its lamellar body, and left sectional grooves is extended the end that joins of the moving spring lead-out tablet of movable contact spring and lower-left left by the end edge that joins of left movable contact spring and left push card; Left side movable contact spring is divided into left front movable contact spring and left back movable contact spring by left sectional grooves.
6. the magnetic latching relay of rotary magnetic line structure according to claim 5, it is characterized in that: described left front movable contact spring and left back movable contact spring are equipped with a left moving contact respectively, the center of described left sectional grooves distance between the left moving contact of the left moving contact of left front movable contact spring and left back movable contact spring.
7. the magnetic latching relay of rotary magnetic line structure according to claim 6 is characterized in that: the lower end of described left push card is connected to the left sectional grooves place of described left movable contact spring.
8. the magnetic latching relay of rotary magnetic line structure according to claim 1 is characterized in that: described right movable contact spring along continuous straight runs and establishing; Right movable contact spring has right sectional grooves along the length direction of its lamellar body, and right sectional grooves is by holding joining of right movable contact spring and right push card along the end extension of joining of movable contact spring and upper right moving spring lead-out tablet to the right; Right movable contact spring is divided into right front movable contact spring and right back movable contact spring by right sectional grooves.
9. the magnetic latching relay of rotary magnetic line structure according to claim 8, it is characterized in that: described right front movable contact spring and right back movable contact spring are equipped with a right moving contact respectively, the center of described right sectional grooves distance between the right moving contact of the right moving contact of right front movable contact spring and right back movable contact spring.
10. the magnetic latching relay of rotary magnetic line structure according to claim 9 is characterized in that: the lower end of described right push card is connected to the right sectional grooves place of described right movable contact spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201392156U CN201435353Y (en) | 2009-06-22 | 2009-06-22 | Magnetic latching relay of rotary magnetic circuit structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201392156U CN201435353Y (en) | 2009-06-22 | 2009-06-22 | Magnetic latching relay of rotary magnetic circuit structure |
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| Publication Number | Publication Date |
|---|---|
| CN201435353Y true CN201435353Y (en) | 2010-03-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201392156U Expired - Lifetime CN201435353Y (en) | 2009-06-22 | 2009-06-22 | Magnetic latching relay of rotary magnetic circuit structure |
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| CN (1) | CN201435353Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102683118A (en) * | 2012-06-15 | 2012-09-19 | 东莞市三友联众电器有限公司 | Double-magnetic-loop magnetic latching relay |
| CN102903575A (en) * | 2011-07-27 | 2013-01-30 | 松下电器产业株式会社 | Contact device and electromagnetic relay including same |
| WO2013186799A1 (en) | 2012-06-15 | 2013-12-19 | Bitron S.P.A. | Improved relay |
| CN103794415A (en) * | 2014-01-23 | 2014-05-14 | 厦门宏发电力电器有限公司 | Electromagnetic relay and movable contact spring thereof |
| CN105940476A (en) * | 2014-01-28 | 2016-09-14 | 泰科电子奥地利有限责任公司 | Switching contact and method of producing latter |
| CN106024526A (en) * | 2016-06-20 | 2016-10-12 | 惠州亿纬科技有限公司 | Beat-type electromagnetic relay used for high-voltage direct current |
| CN106504949A (en) * | 2016-11-25 | 2017-03-15 | 厦门宏发电力电器有限公司 | A kind of magnetic latching relay that can resist short circuit current flow |
| CN106548906A (en) * | 2017-01-16 | 2017-03-29 | 张微 | Monostable magetic holding relay containing double magnetic control systems |
| CN106971913A (en) * | 2017-04-01 | 2017-07-21 | 厦门宏发电力电器有限公司 | It is a kind of to resist the magnetic latching relay of short circuit current flow |
| US11031202B2 (en) | 2016-11-25 | 2021-06-08 | Xiamen Hongfa Electric Power Controls Co., Ltd. | Magnetic latching relay capable of resisting short-circuit current |
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2009
- 2009-06-22 CN CN2009201392156U patent/CN201435353Y/en not_active Expired - Lifetime
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102903575A (en) * | 2011-07-27 | 2013-01-30 | 松下电器产业株式会社 | Contact device and electromagnetic relay including same |
| CN102683118B (en) * | 2012-06-15 | 2015-07-29 | 东莞市三友联众电器有限公司 | A kind of double magnetic loop magnetic latching relay |
| WO2013186799A1 (en) | 2012-06-15 | 2013-12-19 | Bitron S.P.A. | Improved relay |
| CN102683118A (en) * | 2012-06-15 | 2012-09-19 | 东莞市三友联众电器有限公司 | Double-magnetic-loop magnetic latching relay |
| CN103794415B (en) * | 2014-01-23 | 2017-04-05 | 厦门宏发电力电器有限公司 | electromagnetic relay and its movable contact spring |
| CN103794415A (en) * | 2014-01-23 | 2014-05-14 | 厦门宏发电力电器有限公司 | Electromagnetic relay and movable contact spring thereof |
| CN105940476A (en) * | 2014-01-28 | 2016-09-14 | 泰科电子奥地利有限责任公司 | Switching contact and method of producing latter |
| CN105940476B (en) * | 2014-01-28 | 2018-09-25 | 泰科电子奥地利有限责任公司 | The method of switching contact and manufacture switching contact |
| US10431397B2 (en) | 2014-01-28 | 2019-10-01 | Tyco Electronics Austria Gmbh | Switching contact and a method of producing the latter |
| CN106024526A (en) * | 2016-06-20 | 2016-10-12 | 惠州亿纬科技有限公司 | Beat-type electromagnetic relay used for high-voltage direct current |
| CN106504949A (en) * | 2016-11-25 | 2017-03-15 | 厦门宏发电力电器有限公司 | A kind of magnetic latching relay that can resist short circuit current flow |
| US11031202B2 (en) | 2016-11-25 | 2021-06-08 | Xiamen Hongfa Electric Power Controls Co., Ltd. | Magnetic latching relay capable of resisting short-circuit current |
| US11476070B2 (en) | 2016-11-25 | 2022-10-18 | Xiamen Hongfa Electric Power Controls Co., Ltd. | Magnetic latching relay capable of accurately positioning magnetic circuit |
| CN106548906A (en) * | 2017-01-16 | 2017-03-29 | 张微 | Monostable magetic holding relay containing double magnetic control systems |
| CN106971913A (en) * | 2017-04-01 | 2017-07-21 | 厦门宏发电力电器有限公司 | It is a kind of to resist the magnetic latching relay of short circuit current flow |
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