CN112103143B - Energy-storage type quick on-off magnetic latching relay - Google Patents
Energy-storage type quick on-off magnetic latching relay Download PDFInfo
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- CN112103143B CN112103143B CN201910935750.0A CN201910935750A CN112103143B CN 112103143 B CN112103143 B CN 112103143B CN 201910935750 A CN201910935750 A CN 201910935750A CN 112103143 B CN112103143 B CN 112103143B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/64—Driving arrangements between movable part of magnetic circuit and contact
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
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Abstract
The invention discloses an energy-storage type quick on-off magnetic latching relay which comprises a base, and a wiring assembly, a moving contact assembly, a linkage assembly and a driving assembly which are arranged on the base, wherein the moving contact assembly is arranged on the base in a sliding manner; the movable contact assembly comprises a support piece, a contact bridge plate and a movable contact, wherein the base comprises a guide structure arranged on the support piece, the support piece is along the guide structure on the base, and the guide structure is in tangential contact with the support piece. The support piece in the moving contact assembly is in linear contact with the base, the friction force is small, meanwhile, the magnetic steel is located at the end part of the coil framework, and external force is additionally applied to the iron core in the coil driving assembly by the magnetic steel, so that the contact between the moving contact and the static contact can be quickened, and the time for connecting the relay is shortened.
Description
Technical Field
The invention relates to the technical field of circuit control, in particular to an energy storage type quick on-off magnetic latching relay.
Background
The magnetic latching relay is a novel relay developed in recent years, is also an automatic switch, and has the function of automatically connecting and disconnecting a circuit like other electromagnetic relays. In contrast, a magnetically held relay is a bistable relay that remains in its energized state after the energization is removed.
The existing magnetic latching relay is small in stroke in use, in order to achieve the purpose of achieving the ultra-large stroke, the lever principle is utilized to achieve the purpose of achieving the ultra-large stroke, and secondly, when the coil is excited, the coil only generates a magnetic field to drive the iron core to move, and quick connection and disconnection cannot be achieved.
Disclosure of Invention
The invention solves the technical problems and provides the energy storage type quick on-off magnetic latching relay.
The technical scheme provided by the invention is as follows:
the energy-storage type quick on-off magnetic latching relay comprises a base, and a wiring assembly, a moving contact assembly, a linkage assembly and a driving assembly which are arranged on the base, wherein the moving contact assembly is arranged on the base in a sliding manner, and the driving assembly drives the linkage assembly to drive the moving contact assembly to slide so that the moving contact assembly is contacted with or separated from a static contact on the wiring assembly;
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;
the magnetic steel in the driving assembly is close to one end of the coil framework.
In this technical scheme, through setting up the magnet steel in the one end of coil skeleton, the magnet steel has the suction to the iron core, and under the effect of coil excitation, the movable iron core can faster motion to drive the linkage subassembly in order to drive the quick motion of movable contact subassembly, reach the quick contact of movable contact and stationary contact.
Preferably, the linkage assembly comprises a linkage rod, a connecting piece and a shaft, wherein the shaft is arranged on the base, the linkage rod is rotatably arranged on the shaft, the connecting piece is used for connecting the movable 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 assembly driving the linkage rod is smaller than the acting force arm of the movable contact assembly on the linkage rod.
In this technical scheme, through rotating the gangbar and connecting on the base, form the lever, drive the one end motion of gangbar through drive assembly, the other end of gangbar drives the moving contact subassembly motion, and in this scheme, drive assembly drives the arm of force that acts on the gangbar and is less than the arm of force that the moving contact subassembly acted on the gangbar to realize the overstroke.
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 for connecting the linkage rod and the moving contact assembly on one hand, and the linkage rod is convenient for driving the moving contact assembly on the other hand.
Preferably, the linkage rod is connected to the iron core of the driving assembly through a push-pull rod.
Preferably, the driving component comprises a coil framework, an electromagnetic coil, a magnetic yoke, a magnetic conduction plate, magnetic steel, an iron core arranged in the coil framework and a magnetic steel support used for arranging the magnetic steel, the coil is wound on the coil framework, the magnetic yoke and the magnetic conduction plate are surrounded on the periphery side of the coil framework to form a surrounding frame, the magnetic steel support is arranged on one end side wall of the coil framework, which is close to the driving component, and the magnetic steel is arranged in the magnetic steel support.
Preferably, the movable contact assembly further comprises a limiting cover, wherein limiting holes for limiting the movement of the two fixed contacts are formed in the limiting cover, movable holes communicated with the limiting holes are formed in the limiting cover, and the movable holes are used for limiting the movable contact assembly.
In this technical scheme, the pressfitting of spacing lid makes the drive assembly when driving the moving contact subassembly motion, and support piece in the moving contact subassembly slides along the movable hole, and simultaneously when the moving contact in the moving contact subassembly contacted with the static contact, in order to release the static pressure, the flow distribution reed on the static contact begins to warp spacing hole and is close to the maximum deformation that one side pore wall of locating piece was used for restricting the flow distribution reed, and one side that spacing hole kept away from the locating piece is used for preventing that the static contact from excessively kick-backing, plays spacing effect.
Preferably, the limiting cover is provided with a first fixing hole for positioning and two symmetrical second fixing holes.
In the technical scheme, the first fixing hole and the second fixing hole are used for clamping and fixing the limiting cover.
Preferably, two clamping columns matched with the second fixing holes are arranged on the base, and the two clamping columns are axisymmetric relative to the guide block.
Preferably, the limiting cover is further provided with a correction hole for correcting the guide block, and one end, away from the base, of the guide block is located in the correction hole.
In this technical scheme, through the design correction hole on spacing lid to prevent that the base from appearing crooking when the mould shaping, will influence support piece's slip like this, in order to eliminate the emergence of this kind of condition, the correction hole is used for correcting the guide piece, applys spacingly to the guide piece, in order to guarantee that the guide piece is in vertical state all the time.
Preferably, the limiting cover is further provided with a pressing hole for locking the shaft.
In this technical scheme, pressfitting hole and axle clearance fit, when covering spacing lid, spacing lid is spacing to the one end that the base was kept away from to the counter shaft to guarantee when can drive the motion of subassembly drive gangbar, the gangbar can not appear the landing, also is favorable to the installation and the dismantlement of gangbar simultaneously.
Compared with the prior art, the energy-storage type quick on-off magnetic latching relay provided by the invention has the following beneficial effects:
1. according to the invention, the driving assembly drives the linkage rod to move, so that the movable contact assembly is driven to move, and the small force arm drives the large force arm to realize an ultra-large stroke; the support piece in the moving contact assembly is in linear contact with the base, friction force is small, so that when excitation is applied to the coil, the moving contact can be quickly contacted with the fixed contact, meanwhile, the magnetic steel is positioned at the end part of the coil framework, and an external force is additionally applied to the iron core in the coil driving assembly by the magnetic steel, so that the contact between the moving contact and the fixed contact is quickened, and the switching-on time of the relay is shortened.
2. According to the invention, the limiting cover is added, so that on one hand, the deformation of the shell can be prevented, the position of an internal structural component is changed, the use is influenced, and the protection effect is achieved; meanwhile, the limiting cover can also be used for limiting the suction and rebound of the static contact, so that the static contact is prevented from excessive movement.
3. The limiting cover can also correct the guide block, so that the guide block is prevented from being askew when the die is reversed, and the guide block can also limit the shaft, so that the linkage rod is prevented from being separated from the shaft when the driving assembly drives.
Drawings
The above features, technical features, advantages and implementation modes of an energy storage type fast on-off magnetic latching relay will be further described in the following description of the preferred embodiments with reference to the accompanying drawings in a clear and understandable manner.
FIG. 1 is a schematic diagram of an energy-storage type fast on-off magnetic latching relay;
FIG. 2 is a schematic view of the limiting cover structure of the present invention;
FIG. 3 is a schematic view of the structure of the utility mounted limit cap;
FIG. 4 is a schematic view of the structure of the moving contact assembly;
fig. 5 is a schematic structural view of the base.
Reference numerals illustrate:
a wiring board 100;
a stationary contact 200;
the movable contact assembly 300, the support 301, the spring 302, the contact bridge 303 and the movable contact 304;
linkage assembly 400, linkage rod 401, connector 402, shaft 403;
the magnetic steel coil comprises a driving assembly 500, a coil framework 501, a coil 502, a magnetic yoke 503, a magnetic conduction plate 504, a push-pull rod 505, magnetic steel 506 and a magnetic steel bracket 507;
the device comprises a limit cover 700, a limit hole 701, a movable hole 702, a correction hole 703, a first fixing hole 704, a second fixing hole 705 and a pressing 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 explain the specific embodiments of the present invention with reference to the accompanying drawings. It is evident that the drawings in the following description are only examples of the invention, from which other drawings and other embodiments can be obtained by a person skilled in the art without inventive effort.
For simplicity of the drawing, only the parts relevant to the invention are schematically shown in each drawing, and they do not represent the actual structure thereof as a product. Additionally, in order to simplify the drawing for ease of understanding, components having the same structure or function in some of the drawings are shown schematically with only one of them, or only one of them is labeled. Herein, "a" means not only "only this one" but also "more than one" case.
According to an embodiment of the present invention, as shown in fig. 1, an energy-storage type rapid 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 which are 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 as to achieve contact or separation between the moving contact assembly 300 and a fixed contact 200 on the wiring assembly; in the implementation, the wiring assembly is formed by installing the fixed contact 200 on the wiring board 100, wherein the movable contact assembly 300 comprises a supporting piece 301, a contact bridge 303 and a movable contact 304, a guide structure is arranged on the base 600, the supporting piece 301 slides along the guide structure on the base 600, the guide structure is in tangential contact with the supporting piece 301, in the implementation, the guide structure is a guide block 605 and comprises a guide groove 606-4 formed on the base 600, the supporting 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 supporting piece 301; the magnetic steel 506 in the driving assembly 500 is located near one end of the coil skeleton 501, and in the implementation, the guiding structure may be a protrusion formed on a support member with a sliding groove formed on the base 600, and the protrusion slides in the sliding groove (not shown), which will not be described in detail in this embodiment.
As shown in fig. 5, in the 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, two clamping grooves are formed on the outer frame 601 for mounting the wiring board 100 in the wiring assembly, a vertical limit groove 606-3 and a horizontal guide groove 606-4 are formed on the positioning block 606 by the positioning column 606-1, the vertical limit groove 606-3 is used for preventing the support 301 from sliding, that is, the maximum stroke of the relay, the inner wall of the limit groove 606-3 is in an arc structure, and the shape of the limit groove 606-3 is matched with the sliding block 301-6; the guide groove 606-4 formed on the positioning block 606 is used for sliding the sliding block 301-6, and plays a role in directly guiding and limiting the sliding block 301-6, so that indirect limiting of the supporting piece 301 is achieved, and the upper end of the outer cover positioning column 606-1 for fixing the relay through the mounting hole 609 on the base 600 is provided with a positioning part 606-2 which is matched with the first fixing hole 704;
the guide block 605 is provided with two symmetrical arc-shaped parts 605-2 and a limit ball 605-3, the limit ball 605-3 is positioned at one end of the guide block 605 far away from the limit groove 606-3, when the two arc-shaped parts 605-2 are close to one end of the positioning block 606, the two arc-shaped parts 605-2 form arc-shaped side walls, the arc-shaped parts 605-2 are tangent with the inner wall of the supporting piece 301 so as to ensure tangential contact, friction force during sliding is small, and the inner side walls of the limit balls 605-3 are in tangential contact; the arc-shaped part 605-2 and the limiting ball 605-3 are at a certain distance to achieve a 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, wherein the contact bridge plate 303 slides in a hole of an inner bottom wall of a base in parallel on the supporting member 301, a guide block 605 on the base 600 is inserted in a hole of the supporting member 301 perpendicular to the inner bottom wall of the base, the outer wall of the guide block 605 is tangential 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, and when the supporting member 301 moves to the movable contact 304 and the fixed contact 204, the linkage rod 401 continuously drives the supporting member 301 to move under the driving of the driving assembly 500, and at the moment, the contact bridge plate 303 slides relatively with the supporting member 301, and the springs 302 compress to realize the energy storage effect.
The base 600 divides the inner space of the outer frame 601 into two parallel first and second mounting areas 603 and 604 by a partition plate 602, and a lateral third mounting area 610 perpendicular to the first and second mounting areas 604, 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 moving contact assembly 300, and the third mounting area 610 is used for mounting the linkage assembly 400.
Referring again to fig. 1, in another embodiment of the present invention, the link assembly 400 includes a link lever 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 link lever 401 is rotatably disposed on the shaft 403, the connecting member 402 connects the movable contact assembly 300 and one end of the link lever 401, and the other end of the link lever 401 is connected to the driving assembly 500. In a specific implementation, the connecting piece 402 is a U-shaped link, one end of a U-shaped opening of the U-shaped link is connected to the linkage rod 401, and the other end of the U-shaped opening of the U-shaped link is connected to the supporting piece 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 force arm of the linkage rod 401 in the linkage assembly 400, which is applied to the driving assembly 500, is smaller than the force arm of the movable contact assembly 300, which acts on the linkage rod 401, so as to realize the ultra-large stroke.
Referring again to fig. 1, in another embodiment of the present invention, a driving assembly 500 includes a coil bobbin 501, a coil 502, a yoke 503, a magnetic conductive plate 504, magnetic steel 506, an iron core placed in the coil bobbin, and a magnetic steel bracket 507 for placing the magnetic steel 506; the coil 502 is wound around the coil bobbin 501, and the yoke 503 and the magnetic conductive plate 504 are wound around the coil bobbin 501 to form a frame.
As shown in fig. 2, in another embodiment of the present invention, the present invention further includes a limiting cover 700, a limiting hole 701 for limiting the movement of the two fixed contacts 200 is formed on the limiting cover 700, a movable hole 702 communicating with the limiting hole 701 is formed on the limiting cover 700, and the movable hole 702 is used for limiting the moving contact assembly 300.
Specifically, the limiting cover 700 is provided with a first fixing hole 704 and two symmetrical second fixing holes 705 for positioning, so as to fix the limiting cover 700 on the base 600 conveniently; two engaging posts 608 matching with the second fixing hole 705 are provided on the base 600, and the two engaging posts 608 are symmetrical about the axis 403 of the guide block 605.
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 away from the base 600 is located in the correction hole 703 for correcting the guide block 605, so that the guide block 605 is prevented from being inclined outwards during mold reversing, and thus the correction hole 703 can well perform the correction function. The limiting cover 700 is further provided with a pressing hole 706 for locking the shaft 403, so as to prevent the shaft 403 from being separated when the linkage rod 401 moves.
Based on the above embodiment, when the coil 502 in the driving assembly 500 is excited during actual use, at this time, the iron core in the coil bobbin 501 starts to slide, and at the same time, the magnetic steel 506 also generates suction force 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, so as to drive the moving contact assembly 300 to slide, at this time, because the support 301 slides between the base 600 and the support 301 is in linear contact with the guide block 605 on the base 600, friction force is reduced, so that the moving contact 304 in the moving contact assembly 300 can quickly contact with the fixed contact 200 in the wiring assembly, thereby realizing the connection circuit, when the fixed contact 200 contacts with the moving contact 304, the moving contact 200 moves together, at this time, the spring 302 compresses until both are stationary, so as to ensure that the moving contact 304 always contacts 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, and at the same time, the spring 302 can ensure that the moving contact 304 and the fixed contact 200 are not contacted with each other under the condition that the coil excitation is not excited.
It should be noted that the above embodiments can be freely combined as needed. The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (7)
1. An energy-storage type quick on-off magnetic latching relay is characterized in that: the movable contact assembly is arranged on the base in a sliding manner, and the movable contact assembly is driven by the driving assembly to drive the movable contact assembly to slide so as to be contacted with or separated from a fixed contact on the wiring assembly;
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;
the magnetic steel in the driving assembly is close to one end of the coil framework; the contact bridge plate is arranged on the supporting piece in a sliding way, one side of the contact bridge plate is provided with the movable contact, and the other side of the contact bridge plate is connected with the supporting piece through a spring; when the support piece moves to the state that the movable contact is contacted with the fixed contact, the contact bridge plate and the support piece relatively slide, so that the spring is compressed;
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 movable 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 assembly driving the linkage rod is smaller than the acting force arm of the movable contact assembly on the linkage rod; 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.
2. The energy-storage type rapid on-off magnetic latching relay according to claim 1, wherein: the driving assembly comprises a coil framework, an electromagnetic coil, a magnetic yoke, a magnetic conduction plate, magnetic steel, an iron core arranged in the coil framework and a magnetic steel support used for arranging the magnetic steel, wherein the coil is wound on the coil framework, the magnetic yoke and the magnetic conduction plate are arranged around the coil framework to form a surrounding frame, the magnetic steel support is arranged on one end side wall of the coil framework, which is close to the driving assembly, and the magnetic steel is arranged in the magnetic steel support.
3. The energy-storage type rapid on-off magnetic latching relay according to claim 1, wherein: the movable contact assembly is characterized by further comprising a limiting cover, wherein limiting holes for limiting the movement of the two fixed contacts are formed in the limiting cover, movable holes communicated with the limiting holes are formed in the limiting cover, and the movable holes are used for limiting the movable contact assembly.
4. The energy-storage type rapid on-off magnetic latching relay according to claim 3, wherein: the limiting cover is provided with a first fixing hole for positioning and two symmetrical second fixing holes.
5. The energy-storage type rapid on-off magnetic latching relay according to claim 4, wherein: the guide structure comprises a guide block, two clamping columns matched with the second fixing holes are arranged on the base, and the two clamping columns are axisymmetric relative to the guide block.
6. The energy-storage type rapid on-off magnetic latching relay according to claim 3, wherein: the guide structure comprises a guide block, a correction hole for correcting the guide block is further formed in the limiting cover, and one end, away from the base, of the guide block is located in the correction hole.
7. The energy-storage type rapid on-off magnetic latching relay according to claim 3, wherein: and 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 |
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| CN112103143A CN112103143A (en) | 2020-12-18 |
| CN112103143B true CN112103143B (en) | 2023-05-23 |
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| CN201910935750.0A Active CN112103143B (en) | 2019-09-29 | 2019-09-29 | Energy-storage type quick on-off magnetic latching relay |
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| CN203377178U (en) * | 2013-07-09 | 2014-01-01 | 海盐众信电子有限公司 | Direct-operated 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 |
| 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 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101246791B (en) * | 2007-02-12 | 2011-04-13 | 浙江正泰电器股份有限公司 | Low-voltage electrical apparatus with mechanical interlock device |
| JP6107115B2 (en) * | 2012-12-18 | 2017-04-05 | 富士電機機器制御株式会社 | Rail mounting device for electrical equipment and thermal overload relay using the same |
| CN206727016U (en) * | 2017-04-14 | 2017-12-08 | 浙江正泰电器股份有限公司 | Magnetic latching relay |
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2019
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
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| CN112103143A (en) | 2020-12-18 |
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