CN112103143A - Energy storage type quick on-off magnetic latching relay - Google Patents
Energy storage type quick on-off magnetic latching relay Download PDFInfo
- Publication number
- CN112103143A CN112103143A CN201910935750.0A CN201910935750A CN112103143A CN 112103143 A CN112103143 A CN 112103143A CN 201910935750 A CN201910935750 A CN 201910935750A CN 112103143 A CN112103143 A CN 112103143A
- Authority
- CN
- China
- Prior art keywords
- contact
- base
- energy storage
- storage type
- 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.)
- Granted
Links
Images
Classifications
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
Abstract
The invention discloses an energy storage type rapid on-off magnetic latching relay, which comprises a base, and a wiring component, a moving contact component, a linkage component and a driving component which are arranged on the base, wherein the moving contact component is arranged on the base in a sliding manner; the movable contact assembly comprises a supporting piece, a contact bridge plate and a movable contact, the base comprises a guide structure arranged on the base, the supporting piece is along the guide structure on the base, and the guide structure is in tangent contact with the supporting piece; the supporting piece in the moving contact component is in linear contact with the base, friction is small, meanwhile, the magnetic steel is located at the end of the coil framework, and the magnetic steel additionally exerts an external force on the iron core in the coil driving component, so that the contact between the moving contact and the fixed contact can be accelerated, and the switching-on time of the relay is shortened.
Description
Technical Field
The invention relates to the technical field of circuit control, in particular to an energy storage type rapid on-off magnetic latching relay.
Background
The magnetic latching relay is a new type relay developed in recent years, and is also an automatic switch, and has automatic connection and disconnection functions on a circuit like other electromagnetic relays. In contrast, a magnetic latching relay is a bistable relay that remains in an energized state after de-energizing.
The existing magnetic latching relay is small in stroke when in use, in order to achieve an ultra-large stroke, the lever principle is utilized to achieve the purpose of achieving the over-stroke, secondly, when a coil applies excitation, an iron core is driven to move only through a magnetic field generated by the coil, rapid connection and disconnection cannot be achieved, and in order to solve the problem that the ultra-large stroke can be achieved and meanwhile rapid connection can be achieved, an energy storage type rapid connection and disconnection magnetic latching relay is provided.
Disclosure of Invention
The invention solves the technical problem and provides an energy storage type rapid on-off magnetic latching relay.
The technical scheme provided by the invention is as follows:
an energy storage type quick on-off magnetic latching relay comprises a base, and a wiring component, a movable contact component, a linkage component and a driving component which are arranged on the base, wherein the movable contact component is arranged on the base in a sliding manner, and the driving component drives the linkage component to drive the movable contact component to slide, so that the movable contact component is contacted with or separated from a fixed contact on the wiring component;
the movable contact assembly comprises a supporting piece, a contact bridge plate and a movable contact, wherein a guide structure is arranged on the base, the supporting piece slides along the guide structure on the base, and the guide structure is in tangential contact with the supporting piece;
and the magnetic steel in the driving assembly is close to one end of the coil framework.
In this technical scheme, through set up the magnet steel in the one end of coil skeleton, the magnet steel has suction to the iron core, under the effect of coil excitation, moves the motion that the iron core can be faster to drive the linkage subassembly in order to drive moving contact subassembly rapid movement, reach the quick contact of moving contact and static contact.
Preferably, the linkage assembly comprises a linkage rod, a connecting piece and a shaft, the shaft is arranged on the base, the linkage rod is rotatably arranged on the shaft, the connecting piece is used for connecting the moving contact assembly with one end of the linkage rod, and the other end of the linkage rod is connected to the driving assembly; the acting force arm of the driving component for driving the linkage rod is smaller than that of the moving contact component for the linkage rod.
In the technical scheme, the linkage rod is connected to the base in a rotating mode to form a lever, the driving assembly drives one end of the linkage rod to move, and the other end of the linkage rod drives the moving contact assembly to move.
Preferably, the connecting piece is a U-shaped link rod, one end of a U-shaped opening of the U-shaped link rod is connected to the linkage rod, and the other end of the U-shaped opening of the U-shaped link rod is connected to the supporting piece.
In the technical scheme, the U-shaped link rod is convenient to connect the linkage rod and the moving contact component on one hand, and is convenient to drive the moving contact component by the linkage rod on the other hand.
Preferably, the linkage rod is connected to the iron core of the driving assembly through a push-pull rod.
Preferably, drive assembly includes coil skeleton, solenoid, yoke, magnetic conductive plate, magnet steel, lays the iron core in coil skeleton and is used for laying the magnet steel's magnet steel support, the coil is around establishing on the coil skeleton, the yoke with the magnetic conductive plate encloses to be established coil skeleton week side forms encloses the frame, the magnet steel support sets up on the one end lateral wall that is close to drive assembly on the coil skeleton, just the magnet steel is placed in the magnet steel support.
Preferably, the device further comprises a limiting cover, wherein a limiting hole used for limiting the movement of the two static contacts is formed in the limiting cover, a movable hole communicated with the limiting hole is formed in the limiting cover, and the movable hole is used for limiting the movable contact assembly.
In the technical scheme, the limit cover is pressed, so that when the driving assembly drives the movable contact assembly to move, the supporting piece in the movable contact assembly slides along the movable hole, and meanwhile, when the movable contact in the movable contact assembly is contacted with the fixed contact, in order to release static joint pressure, the hole wall of one side, close to the positioning block, of the limiting hole, where the shunt reed on the fixed contact begins to deform, is used for limiting the maximum deformation of the shunt reed, and the side, far away from the positioning block, of the limiting hole is used for preventing the fixed contact from being excessively rebounded, so that the limiting effect is achieved.
Preferably, the limiting cover is provided with a first fixing hole for positioning and two symmetrical second fixing holes.
In this technical scheme, first fixed orifices and second fixed orifices are used for carrying out the block to spacing lid fixed.
Preferably, two clamping columns matched with the second fixing holes are arranged on the base, and the two clamping columns are axially symmetrical relative to the guide block.
Preferably, the limiting cover is further provided with a correcting hole for correcting the guide block, and one end of the guide block, which is far away from the base, is located in the correcting hole.
In this technical scheme, through cover the design correction hole at spacing to prevent that the base from when the mould shaping, the guide block appears crooked, will influence support piece's slip like this, in order to eliminate the emergence of this kind of condition, correct the hole and be used for proofreading and correct the guide block, exert spacingly to the guide block, in order to guarantee that the guide block is in vertical state all the time.
Preferably, the limit cover is further provided with a press-fit hole for locking the shaft.
In this technical scheme, the pressfitting hole and the clearance fit of axle, when covering spacing lid, spacing lid is spacing to the one end that the base was kept away from to the axle to when guaranteeing that can drive assembly drive the gangbar motion, the landing can not appear in the gangbar, also is favorable to the installation and the dismantlement of gangbar simultaneously.
Compared with the prior art, the energy storage type rapid on-off magnetic latching relay provided by the invention has the following beneficial effects:
1. the driving assembly drives the linkage rod to move, so that the movable contact assembly is driven to move, and a large force arm is driven by a small force arm to realize an overlarge stroke; the supporting piece in the moving contact component is in linear contact with the base, friction is small, so that when the coil applies excitation, the moving contact can be quickly contacted with the fixed contact, meanwhile, the magnetic steel is located at the end part of the coil framework, an external force is additionally applied to the iron core in the coil driving component by the magnetic steel, the moving contact can be accelerated to be contacted with the fixed contact, and the relay switching-on time is shortened.
2. By adding the limit cover, on one hand, the shell can be prevented from deforming, and the position of an internal structural component is changed, so that the use is influenced, and the effect of protection is achieved; meanwhile, the limiting cover can limit the attraction and rebound of the static contact, so that the static contact is prevented from moving excessively.
3. The limiting cover can also correct the guide block to prevent the guide block from being inclined during mold reversing, and the guide block can limit the shaft to prevent the linkage rod from being separated from the shaft during driving of the driving assembly.
Drawings
The above features, technical features, advantages and modes of realisation of an energy storing fast make and break magnetic latching relay will be further described in the following preferred embodiments in a clearly understandable way with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of an energy storage type fast on-off magnetic latching relay according to the present invention;
FIG. 2 is a schematic view of the structure of the position-limiting cover of the present invention;
FIG. 3 is a schematic structural view of the present invention after installation of a position-limiting cover;
FIG. 4 is a schematic structural view of the moving contact assembly;
fig. 5 is a schematic structural view of the base.
The reference numbers illustrate:
a wiring board 100;
a static contact 200;
the moving contact assembly 300, a support member 301, a spring 302, a contact bridge plate 303 and a moving contact 304;
linkage assembly 400, linkage rod 401, connector 402, shaft 403;
the magnetic steel magnetic;
the positioning device comprises a base 600, an outer frame 601, a partition plate 602, a first mounting area 603, a second mounting area 604, a guide block 605, a limiting part 605-1, an arc part 605-2, a limiting ball 605-3, a positioning block 606, a positioning column 606-1, a positioning part 606-2, a limiting groove 606-3, a guide groove 606-4, a clamping groove 607, a clamping column 608, a mounting hole 609 and a third mounting area 610;
the limiting cover 700, a limiting hole 701, a movable hole 702, a correction hole 703, a first fixing hole 704, a second fixing hole 705 and a press-fit hole 706.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will be made with reference to the accompanying drawings. It is obvious that the drawings in the following description are only some examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be derived from them without inventive effort.
For the sake of simplicity, only the parts relevant to the invention are schematically shown in the drawings, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".
According to an embodiment provided by the present invention, as shown in fig. 1, an energy storage type fast on-off magnetic latching relay includes a base 600, and a wiring assembly, a moving contact assembly 300, a linkage assembly 400 and a driving assembly 500 installed on the base 600, wherein the moving contact assembly 300 is slidably disposed on the base 600, and the driving assembly 500 drives the linkage assembly 400 to drive the moving contact assembly 300 to slide, so that the moving contact assembly 300 is in contact with or separated from a static contact 200 on the wiring assembly; in specific implementation, the wiring assembly is formed by mounting the fixed contact 200 on the wiring board 100, wherein the movable contact assembly 300 comprises a support piece 301, a contact bridge plate 303 and a movable contact 304, a guide structure is arranged on the base 600, the support piece 301 slides along the guide structure on the base 600, and the guide structure is in tangential contact with the support piece 601, in specific implementation, the guide structure is a guide block 605 and comprises a guide groove 606-4 formed on the base 600, the support piece 301 slides along the guide block 605 and the guide groove 606-4 on the base 600, and the guide block 605 is in tangential contact with the support piece 301; the magnetic steel 506 in the driving assembly 500 is located near one end of the bobbin 501, and in a specific implementation, the guiding structure may be a protrusion formed on the base 600 and provided with a sliding slot, and the protrusion slides in the sliding slot (not shown), which is not described in this embodiment.
As shown in fig. 5, in a specific implementation, a guide block 605 and a positioning block 606 are disposed on the base 600, wherein the positioning block 606 is mounted in the outer frame 601, the outer frame 601 is provided with two engaging slots for mounting the wiring board 100 in the wiring assembly, the positioning block 606 is provided with a vertical limiting slot 606-3 and a transverse guide slot 606-4 on a positioning post 606-1, the vertical limiting slot 606-3 is used for preventing the support member 301 from sliding, i.e., the maximum stroke of the relay, the inner wall of the limiting slot 606-3 is an arc-shaped structure, and the shape of the limiting slot 606-3 is matched with the sliding block 301-6; the positioning block 606 is provided with a guide groove 606-4 for sliding the sliding block 301-6, and directly guiding and limiting the sliding block 301-6, so as to indirectly limit the supporting element 301, the mounting hole 609 on the base 600 is used for fixing the upper end of the outer cover positioning column 606-1 of the relay, and is provided with a positioning part 606-2 matched with a first fixing hole 704 described below;
the guide block 605 is provided with two symmetrical arc parts 605-2 and a limiting ball 605-3, the limiting ball 605-3 is positioned at one end of the guide block 605 far away from the limiting groove 606-3, when the two arc parts 605-2 are close to one end of the positioning block 606, the two arc parts 605-2 form arc surface side walls, the arc parts 605-2 are tangent to the inner wall of the supporting piece 301 to ensure that the arc parts are in tangent contact, and the inner side walls of the limiting ball 605-3 are in tangent contact with each other with smaller friction force during sliding; the arc part 605-2 and the limiting ball 605-3 are at a certain distance to realize better limiting effect, and meanwhile, the guide block 605 is also provided with a limiting part 605-1 which is matched with a correction hole 703 described below.
As shown in fig. 4, the movable contact assembly 300 is formed by installing a contact bridge plate 303 on a supporting member 301, the contact bridge plate 303 slides in a hole of an inner bottom wall of a base on the supporting member 301 in parallel, a guide block 605 on the base 600 is inserted in the hole of the supporting member 301 perpendicular to the inner bottom wall of the base, an outer wall of the guide block 605 is tangent to a longitudinal hole on the supporting member, two movable contacts are symmetrically installed on one side of the contact bridge plate 303, the other side of the contact bridge plate is connected with the supporting member 301 through two springs 302, when the supporting member 301 moves to a movable contact 304 and a stationary contact 204, at this time, under the driving of the driving assembly 500, the linkage rod 401 continues to drive the supporting member 301 to move, at this time, the contact bridge plate 303 slides relative to the supporting member 301, and the springs 302 compress.
The base 600 divides the inner space of the outer frame 601 into two parallel first and second mounting areas 603 and 604 and a lateral third mounting area 610 perpendicular to the first and second mounting areas 604 through a partition plate 602, the first mounting area 603 is used for mounting the driving assembly 500, the second mounting area 604 is used for mounting the wiring assembly and the movable contact assembly 300, and the third mounting area 610 is used for mounting the linkage assembly 400.
Referring to fig. 1 again, in another embodiment of the present invention, the linkage assembly 400 includes a linkage rod 401, a connecting member 402 and a shaft 403, the shaft 403 is disposed on the base 600, the shaft 403 is integrally formed with an outer frame 601 on the base 600, the linkage rod 401 is rotatably disposed on the shaft 403, the connecting member 402 connects one end of the movable contact assembly 300 and one end of the linkage rod 401, and the other end of the linkage rod 401 is connected to the driving assembly 500. In specific implementation, the connecting member 402 is a U-shaped link rod, one end of a U-shaped opening of the U-shaped link rod is connected to the linkage rod 401, and the other end of the U-shaped opening of the U-shaped link rod is connected to the supporting member 301. The other end of the linkage rod 401 is connected to the iron core of the driving assembly 500 through a push-pull rod 505, wherein the acting force arm of the linkage rod 401 in the linkage assembly 400, which is applied by the driving assembly 500, is smaller than the acting force arm of the moving contact assembly 300 to the linkage rod 401, so as to realize an ultra-large stroke.
Referring again to fig. 1, in another embodiment of the present invention, the driving assembly 500 includes a bobbin 501, a coil 502, a yoke 503, a magnetic conductive plate 504, a magnetic steel 506, an iron core disposed in the bobbin, and a magnetic steel bracket 507 for disposing the magnetic steel 506; the coil 502 is wound on the coil frame 501, and the yoke 503 and the magnetic conductive plate 504 are surrounded on the periphery of the coil frame 501 to form a surrounding frame.
As shown in fig. 2, in another embodiment of the present invention, the present invention further includes a limiting cover 700, the limiting cover 700 is provided with a limiting hole 701 for limiting the movement of the two static contacts 200, the limiting cover 700 is provided with a movable hole 702 communicated with the limiting hole 701, and the movable hole 702 is used for limiting the movable contact assembly 300.
Specifically, a first fixing hole 704 and two symmetrical second fixing holes 705 are formed in the position limiting cover 700 to facilitate fixing the position limiting cover 700 on the base 600; the base 600 is provided with two engaging posts 608 matching with the second fixing holes 705, and the two engaging posts 608 are symmetrical with respect to the guide block 605 about the axis 403.
As shown in fig. 2 and 3, the limiting cover 700 is further provided with a correction hole 703 for correcting the guide block 605, and one end of the guide block 605, which is away from the base 600, is located in the correction hole 703 for correcting the guide block 605, so as to prevent the guide block 605 from being tilted outward during the die-reversing process, and thus the correction hole 703 can perform a good correction function. The limit cover 700 is further provided with a press-fit hole 706 for locking the shaft 403, so as to prevent the linkage rod 401 from being separated from the shaft 403 when moving.
Based on the above embodiment, in actual use, when the coil 502 in the driving assembly 500 is excited, the iron core in the coil bobbin 501 starts to slide, and the magnetic steel 506 also generates attraction to the iron core, so that the iron core will slide faster, when the iron core moves fast, one end of the linkage rod 401 in the linkage assembly 400 is driven to move to drive the supporting piece 301 of the moving contact assembly 300 to slide, at this time, as the supporting piece 301 slides with the base 600 and the supporting piece 301 makes linear contact with the guide block 605 on the base 600, friction is reduced, the moving contact 304 in the moving contact assembly 300 can quickly contact with the fixed contact 200 in the wiring assembly to achieve circuit connection, when the fixed contact 200 contacts the moving contact 304, the fixed contact 200 moves together with the moving contact 304, at this time, the spring 302 starts to compress until the two are stationary, the spring 302 compresses to achieve energy storage, so as to ensure that the moving contact 304 is always in contact with the fixed contact on the fixed contact 200, avoid the loss of the moving contact 304 and the fixed contact on the fixed contact 200 without contact, and simultaneously, the spring 302 can ensure that the moving contact and the fixed contact are quickly disconnected under the condition of no excitation of the coil 502.
It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a quick break-make magnetic latching relay of energy storage type which characterized in that: the movable contact component is arranged on the base in a sliding mode, and the driving component drives the linkage component to drive the movable contact component to slide so as to enable the movable contact component to be in contact with or separated from a fixed contact on the wiring component;
the movable contact assembly comprises a supporting piece, a contact bridge plate and a movable contact, wherein a guide structure is arranged on the base, the supporting piece slides along the guide structure on the base, and the guide structure is in tangential contact with the supporting piece;
and the magnetic steel in the driving assembly is close to one end of the coil framework.
2. The energy storage type rapid on-off magnetic latching relay according to claim 1, characterized in that: the linkage assembly comprises a linkage rod, a connecting piece and a shaft, the shaft is arranged on the base, the linkage rod is rotatably arranged on the shaft, the connecting piece is used for connecting the moving contact assembly with one end of the linkage rod, and the other end of the linkage rod is connected to the driving assembly;
the acting force arm of the driving component for driving the linkage rod is smaller than that of the moving contact component for the linkage rod.
3. The energy storage type rapid on-off magnetic latching relay according to claim 2, characterized in that: the connecting piece is a U-shaped link rod, one end of a U-shaped opening of the U-shaped link rod is connected to the linkage rod, and the other end of the U-shaped opening of the U-shaped link rod is connected to the supporting piece.
4. The energy storage type rapid on-off magnetic latching relay according to claim 2, characterized in that: the linkage rod is connected to the iron core of the driving assembly through a push-pull rod.
5. The energy storage type rapid on-off magnetic latching relay according to claim 1, characterized in that: drive assembly includes coil skeleton, solenoid, yoke, magnetic conductive plate, magnet steel, lays the iron core in coil skeleton and is used for laying the magnet steel support of magnet steel the coil is around establishing on the coil skeleton, the yoke with the magnetic conductive plate encloses to be established coil skeleton week side forms encloses the frame, the magnet steel support sets up on the one end lateral wall that is close to drive assembly on the coil skeleton, just the magnet steel is placed in the magnet steel support.
6. The energy storage type rapid on-off magnetic latching relay according to claim 1, characterized in that: the movable contact assembly is characterized by further comprising a limiting cover, wherein a limiting hole used for limiting the movement of the two fixed contacts is formed in the limiting cover, a movable hole communicated with the limiting hole is formed in the limiting cover, and the movable hole is used for limiting the movable contact assembly.
7. The energy storage type rapid on-off magnetic latching relay according to claim 6, characterized in that: the limiting cover is provided with a first fixing hole for positioning and two symmetrical second fixing holes.
8. The energy storage type rapid on-off magnetic latching relay according to claim 7, characterized in that: two clamping columns matched with the second fixing holes are arranged on the base, and the two clamping columns are axially symmetrical relative to the guide block.
9. The energy storage type rapid on-off magnetic latching relay according to claim 1, characterized in that: the limiting cover is further provided with a correcting hole for correcting the guide block, and one end, far away from the base, of the guide block is located in the correcting hole.
10. The energy storage type rapid on-off magnetic latching relay according to claim 1, characterized in that: the limiting cover is also provided with a pressing hole for locking the shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910935750.0A CN112103143B (en) | 2019-09-29 | 2019-09-29 | Energy-storage type quick on-off magnetic latching relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910935750.0A CN112103143B (en) | 2019-09-29 | 2019-09-29 | Energy-storage type quick on-off magnetic latching relay |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112103143A true CN112103143A (en) | 2020-12-18 |
| CN112103143B CN112103143B (en) | 2023-05-23 |
Family
ID=73749005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910935750.0A Active CN112103143B (en) | 2019-09-29 | 2019-09-29 | Energy-storage type quick on-off magnetic latching relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112103143B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008098481A1 (en) * | 2007-02-12 | 2008-08-21 | Zhejiang Chint Electrics Co., Ltd | A low voltage apparatus having mechanical interlocking means |
| CN203377178U (en) * | 2013-07-09 | 2014-01-01 | 海盐众信电子有限公司 | Direct-operated magnetic latching relay |
| KR20140079280A (en) * | 2012-12-18 | 2014-06-26 | 후지 덴키 기기세이교 가부시끼가이샤 | Rail mounted apparatus for electrical equipment and thermal overload relay using the same |
| CN206595211U (en) * | 2017-03-30 | 2017-10-27 | 深圳高登电器有限公司 | Magnetic keeps high-voltage relay |
| CN206727016U (en) * | 2017-04-14 | 2017-12-08 | 浙江正泰电器股份有限公司 | Magnetic latching relay |
| CN206877912U (en) * | 2017-03-09 | 2018-01-12 | 浙江正泰电器股份有限公司 | Magnetic latching relay |
| CN208970439U (en) * | 2018-11-20 | 2019-06-11 | 浙江广威电子有限公司 | A kind of armature slidingtype magnetic latching relay |
| CN209015917U (en) * | 2018-10-20 | 2019-06-21 | 天水二一三电器有限公司 | A kind of switching contact head |
-
2019
- 2019-09-29 CN CN201910935750.0A patent/CN112103143B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008098481A1 (en) * | 2007-02-12 | 2008-08-21 | Zhejiang Chint Electrics Co., Ltd | A low voltage apparatus having mechanical interlocking means |
| KR20140079280A (en) * | 2012-12-18 | 2014-06-26 | 후지 덴키 기기세이교 가부시끼가이샤 | Rail mounted apparatus for electrical equipment and thermal overload relay using the same |
| CN203377178U (en) * | 2013-07-09 | 2014-01-01 | 海盐众信电子有限公司 | Direct-operated magnetic latching relay |
| CN206877912U (en) * | 2017-03-09 | 2018-01-12 | 浙江正泰电器股份有限公司 | Magnetic latching relay |
| CN206595211U (en) * | 2017-03-30 | 2017-10-27 | 深圳高登电器有限公司 | Magnetic keeps high-voltage relay |
| CN206727016U (en) * | 2017-04-14 | 2017-12-08 | 浙江正泰电器股份有限公司 | Magnetic latching relay |
| CN209015917U (en) * | 2018-10-20 | 2019-06-21 | 天水二一三电器有限公司 | A kind of switching contact head |
| CN208970439U (en) * | 2018-11-20 | 2019-06-11 | 浙江广威电子有限公司 | A kind of armature slidingtype magnetic latching relay |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112103143B (en) | 2023-05-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4471859B2 (en) | Electromagnetic relay | |
| US8289111B2 (en) | Electromagnetic contactor | |
| JP4212248B2 (en) | Electromagnetic relay | |
| JP2002168166A (en) | Magnet switch for starter | |
| EP3629357B1 (en) | Electromagnetic relay | |
| TW559849B (en) | Electromagnetic relay | |
| CN112103143A (en) | Energy storage type quick on-off magnetic latching relay | |
| CN112582218A (en) | Relay with a movable contact | |
| EP3770941A1 (en) | Relay | |
| EP1049127A3 (en) | Electromagnetic relay, apparatus and method for making it | |
| EP1253611A3 (en) | Electromagnetic relay having a reduced height | |
| JP5025321B2 (en) | Electromagnetic relay | |
| JP2011081956A (en) | Electromagnetic relay device | |
| KR20220128941A (en) | Electromagnetic relay | |
| JP7156050B2 (en) | relay | |
| CN109716477B (en) | Electromagnetic relay | |
| CN113272930B (en) | Relay device | |
| CN214505389U (en) | Electromagnetic relay | |
| CN214624906U (en) | Novel multiunit bridging formula magnetic latching relay | |
| JP4453875B2 (en) | Electromagnetic relay | |
| JP2006059702A (en) | Electromagnetic relay | |
| CN219979461U (en) | Magnetic latching electromagnetic relay with impact resistance | |
| CN215834474U (en) | Adjusting device for contact pressure of electromagnetic relay | |
| CN219658620U (en) | Friction-reducing magnetic latching relay | |
| CN112582210A (en) | Relay with a movable contact |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |