CN112103141B - Reed, fixed contact, wiring assembly, rebound prevention assembly and magnetic latching relay - Google Patents
Reed, fixed contact, wiring assembly, rebound prevention assembly and magnetic latching relay Download PDFInfo
- Publication number
- CN112103141B CN112103141B CN201910935813.2A CN201910935813A CN112103141B CN 112103141 B CN112103141 B CN 112103141B CN 201910935813 A CN201910935813 A CN 201910935813A CN 112103141 B CN112103141 B CN 112103141B
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- assembly
- reed
- fixed contact
- contact
- rebound
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
- H01H50/56—Contact spring sets
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/02—Bases; Casings; Covers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/14—Terminal arrangements
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Elimination Of Static Electricity (AREA)
Abstract
The invention discloses a reed, a fixed contact, a wiring assembly, an anti-rebound assembly and a magnetic latching relay, wherein the conductive sectional area is ensured by combining a flow dividing sheet with the reed so as to achieve the flow dividing effect; when the contact is closed, the moving contact is contacted with the fixed contact to generate static pressure, and the moving contact and the fixed contact synchronously move under the elastic action of the reed and the flow dividing sheet so as to release the static pressure, ensure that arcing is not generated between the moving contact and the fixed contact, and prolong the service life.
Description
Technical Field
The invention relates to the technical field of circuit control, in particular to a reed, a fixed contact, a wiring assembly, an anti-rebound assembly and a 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 technology is that excitation is applied through a coil, a moving contact is contacted with a fixed contact, a circuit is connected, when the fixed contact is contacted with the moving contact, the moving contact can generate a bouncing phenomenon under the action of static pressure, the moving contact bounces to generate arcing, the moving contact and the contact on the fixed contact are burnt excessively, the service life is shortened, and in order to improve the service life, a reed, the fixed contact, a wiring assembly, an anti-bouncing assembly and the magnetic latching relay are provided.
Disclosure of Invention
The invention solves the existing technical problems and provides a reed, a fixed contact, a wiring assembly, an anti-rebound assembly and a magnetic latching relay.
The technical scheme provided by the invention is as follows:
the reed is bent to form a first connecting part and a second connecting part, the first connecting part and the second connecting part form a certain included angle, and the free end of the second connecting part moves in a certain stroke range.
In this technical scheme, with the crooked first connecting portion and the second connecting portion that form to have certain contained angle of reed, first connecting portion and second connecting portion are certain contained angle, on the one hand be convenient for install, on the other hand under the condition of coil excitation on the drive assembly, moving contact subassembly rapid movement under the drive of drive assembly, contact with stationary contact, the reed warp in order to release the stationary pressure on the moving contact this moment, the reed is restricted in certain formation within range motion simultaneously, just so guaranteed that the reed can not excessively warp, also can not excessively bounce simultaneously.
Preferably, the free end of the second connecting portion extends to form a limiting portion, and the limiting portion moves within a certain range.
In this technical scheme, the spacing portion that the free end of second connecting portion extends, and spacing portion can prevent the reed excessive deformation on the one hand, on the other hand can prevent the reed and bounce excessively when bouncing under the spacing effect of spacing lid that the below described.
Preferably, the bent portion of the reed forms a third bending portion with a certain radian, and the width of the third bending portion is slightly smaller than the width of the first connecting portion and the second connecting portion.
In the technical scheme, when the static pressure is released, the arc-shaped third bending part is beneficial to the deformation of the second connecting part, and meanwhile, the width of the third bending part is slightly smaller than the width of the first connecting part and the width of the second connecting part, so that the deformation degree of the second connecting part is increased, and the maximum static pressure release is achieved.
Preferably, the first connecting part is provided with a plurality of first mounting holes, and/or
And a second mounting hole is formed in the second connecting part.
The spring and the stationary contact are provided with the second boss which is used for fixedly connecting the stationary contact with the spring.
In the technical scheme, the fixed contact is riveted on the reed through the second boss to form the fixed contact, and the fixed contact and the movable contact are connected to play a role of communicating a line;
preferably, the spring leaf also comprises a splitter blade, wherein the splitter blade is clamped between the static contact blade and the spring leaf, and the splitter blade is matched with the shape of the spring leaf.
In the technical scheme, the shunt sheet is combined with the reed to ensure the conductive sectional area so as to achieve the effect of shunt; when the contact is closed, the moving contact is contacted with the fixed contact to generate static pressure, and the moving contact and the fixed contact synchronously move under the elastic action of the reed and the flow dividing sheet so as to release the static pressure, ensure that arcing is not generated between the moving contact and the fixed contact, and prolong the service life.
A wiring assembly comprises the fixed contact and a wiring board, wherein the fixed contact is arranged on the wiring board.
In this technical scheme, install the static contact on the wiring board, on the base at the wiring board block, played fine current conduction's effect.
Preferably, the device further comprises a shunt wire, one end of the shunt wire is connected to the reed, and the other end of the shunt wire is connected to the wiring board.
Preferably, the device further comprises a connecting piece, and the second connecting piece is connected to the second boss and used for connecting the wires.
In this technical scheme, be connected the linking piece with erecting the version through the wire, realize the reposition of redundant personnel effect to guarantee can pass through the heavy current, increase the commonality of changing the relay.
The rebound prevention assembly comprises the wiring assembly and the limiting cover, wherein the limiting cover is arranged on a base of the relay, and a limiting hole for limiting the free end of the reed to move is formed in the limiting cover.
In the technical scheme, under the condition of coil excitation, a moving contact in a relay is contacted with a fixed contact through the combination of a limiting cover and a wiring assembly, so that two wiring boards on a base are ensured to be connected, at the moment, the moving contact and the fixed contact can synchronously move, so that the fixed contact moves in a limiting hole to release static pressure, and meanwhile, the limiting hole can also play a limiting role on a reed to prevent the reed from excessively deforming; when the coil excitation is lost, the fixed contact and the movable contact move back, and the reed on the fixed contact cannot rebound excessively under the action of the limiting hole, so that the reed is protected, the service life is prolonged, and the rebound prevention effect is also well achieved.
The magnetic latching relay comprises the rebound prevention assembly, and a driving assembly, a linkage assembly and a moving contact assembly which are arranged on a base of the magnetic latching relay, wherein the driving assembly drives the linkage assembly to drive the moving contact assembly to slide so as to enable a moving contact and a fixed contact in the moving contact assembly to be closed;
wherein, the stationary contact in the wiring assembly is limited in the limiting hole of limiting cover and moves.
Compared with the prior art, the reed, the fixed contact, the wiring assembly, the rebound prevention assembly and the magnetic latching relay provided by the invention have the following beneficial effects:
1. the reed comprises the reed, with the first connecting portion and the second connecting portion that the reed crooked formation had certain contained angle, first connecting portion and second connecting portion are certain contained angle, on the one hand be convenient for install, on the other hand under the condition of coil excitation on the drive assembly, moving contact subassembly rapid motion under the drive of drive assembly, contact with stationary contact, the reed just begins to release the stationary pressure on the moving contact this moment, the reed takes place to warp in order to reach the purpose of release this moment, and the spacing portion that the second connecting portion extended along the direction of second connecting portion is under the spacing effect of enclosing cover, on the one hand can prevent the excessive deformation of reed, on the other hand can prevent when the reed bounce-back, excessive bounce-back.
2. When the static pressure is released, the arc-shaped third bending part is beneficial to the deformation of the second connecting part, and meanwhile, the width of the first bending part is slightly smaller than the width of the first connecting part and the width of the second connecting part, so that the deformation degree of the second connecting part is increased, and the maximum static pressure is released.
3. The invention ensures the conductive sectional area by combining the flow dividing sheet and the reed so as to achieve the flow dividing effect; when the contact is closed, the moving contact is contacted with the fixed contact to generate static pressure, and the moving contact and the fixed contact synchronously move under the elastic action of the reed and the flow dividing sheet so as to release the static pressure, ensure that arcing is not generated between the moving contact and the fixed contact, and prolong the service life.
4. The invention connects the connecting piece with the vertical plate through the lead, realizes the shunt effect, ensures that the universality of the relay can be improved through high current.
Drawings
The foregoing features, technical features, advantages and implementation of the reed, fixed contact, wiring assembly, anti-rebound assembly and magnetic latching relay will be further described in the following description of the preferred embodiments with reference to the accompanying drawings in a clearly understood manner.
Figure 1 is a schematic diagram of the reed structure of the present invention;
FIG. 2 is a schematic view of the structure of the static contact of the present invention;
FIG. 3 is a schematic view of the structure of FIG. 2 from another view;
fig. 4 is a schematic structural view of an embodiment of the wiring assembly of the present invention.
FIG. 5 is a schematic view of another embodiment of a wiring assembly of the present invention;
FIG. 6 is a schematic view of the structure of the wiring assembly of the present invention mounted on a relay;
fig. 7 is a schematic view of a relay structure of the invention with a limit cover installed.
Reference numerals illustrate: the wiring board 100, the welding part 101, the mounting part 102, the riser 102a, the cross plate 102b, the first plug-in piece 103, the second plug-in piece 104, the first taper end 105, the second taper end 106, the first protruding part 107, the second protruding part 108, the first bending part 109, the second bending part 110, the arc-shaped part 111 and the first boss 112;
a stationary contact 200;
a shunt piece 201, a first conductive portion 201-1, a second conductive portion 201-2, a third conductive portion 201-3, and a fourth conductive portion 201-4;
the spring plate 202, the first connecting part 202-1, the third bending part 202-2, the second connecting part 202-3, the limiting part 202-4, the first mounting hole 202-5 and the second mounting hole 202-6;
a second boss 203, a stationary contact 204, and a coupling piece 205;
a moving contact assembly 300;
a linkage assembly 400;
a drive assembly 500;
a base 600;
a limit cover 700 and a limit hole 701.
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 one embodiment of the present invention, as shown in fig. 1, a reed comprises: the reed 202 is made of beryllium bronze, the reed 202 is bent to form a first connecting portion 202-1 and a second connecting portion 202-3, the first connecting portion 202-1 and the second connecting portion 202-3 form a certain included angle, the free end of the first connecting portion 202-1 moves within a certain travel range, when the reed is implemented, the free end of the second connecting portion 202-3 extends to form a limiting portion 202-4, the limiting portion 202-4 moves in a limiting hole 701 on a limiting cover 700 described below, and the limiting portion 202-4 is located in the limiting hole 701 on the limiting cover 700 described below to limit the movement of the reed 202 and prevent the reed 202 from being excessively deformed and rebounded excessively.
In order to ensure that the reed 202 can achieve a good anti-bouncing effect, in another embodiment of the present invention, the bent portion of the reed forms a third bending portion 202-2 with a certain radian, and in a specific implementation, the widths of the whole first connecting portion 202-1, the third bending portion 202-2 and the second connecting portion 202-3 are consistent, or the width of the third bending portion 202-2 is slightly smaller than the widths of the first connecting portion 202-1 and the second connecting portion 202-3, in this embodiment, the latter is preferred, and when the static pressure is released, the curved third bending portion 202-2 is beneficial to the deformation of the second connecting portion 202-3, and meanwhile, the width of the third bending portion 202-2 is slightly smaller than the width of the first connecting portion 202-1 and the width of the second connecting portion 202-3, so as to increase the deformation degree of the second connecting portion 202-3, so as to achieve the maximum release of the static pressure.
In another embodiment of the present invention, the first connection portion 202-1 is provided with a plurality of first mounting holes 202-5; for mounting the first connection portion 202-1 on the wiring board, the second connection portion 202-3 is provided with a second mounting hole 202-6 for mounting the stationary contact 204;
as shown in fig. 2 and 3, a stationary contact 200 includes a reed 202 and a stationary contact 204 as described above, where the stationary contact 204 is provided with a second boss 203, and the second boss 203 passes through the second mounting hole 202-6 to fixedly connect the stationary contact 204 with the reed 202, so as to achieve current connection.
In another embodiment of the present invention, the current divider further comprises a current divider 201, wherein the current divider 201 is made of red copper, the current divider 201 is clamped between the static contact and the reed 202, the current divider 201 is matched with the reed 202 in shape, the current divider 201 is clamped between the static contact 204 and the reed 202 to increase the conductive sectional area, when the pure reed 202 is combined with the static contact 204, the reed 202 needs to be slightly thicker to ensure the conductive sectional area, and the elasticity of the reed 202 is correspondingly reduced, therefore, the current divider 201 is added to ensure that the conductive sectional area can be increased while the better elasticity can be maintained, so that the large current can be ensured; when installed, the shunt 201 is attached to the reed 202, and the two are perfectly matched.
In the specific implementation, the shunt piece 201 includes a first conductive portion 201-1, a second conductive portion 201-2, a third conductive portion 201-3 and a fourth conductive portion 201-4, the width of the third bending portion 202-2 is slightly smaller than the width of the second conductive portion 201-2, and the shapes and widths of the first conductive portion 201-1, the third conductive portion 201-3 and the fourth conductive portion 201-4 are matched with those of the reed 202.
As shown in fig. 3, a wiring assembly includes a stationary contact 200 and a wiring board as described above, and the stationary contact 200 is mounted on the wiring board.
In a specific implementation, the static contact 200 is mounted on the transverse plate 102b in the wiring board 100 through the first boss 112 on the wiring board 100, and the wiring board 100 further includes a welding portion 101 and a mounting portion 102, where the welding portion 101 and the mounting portion 102 are in a vertical state, and a bending portion 109 of the welding portion 101 and the mounting portion 102 is formed in an arc shape, where the mounting portion 102 is set in a vertical state by the vertical plate 102a and the transverse plate 102b, a second bending portion 110 is formed at a connecting portion of the vertical plate 102a and the transverse plate 102b, and the static contact 200 is combined with the wiring board 100 to form a wiring assembly and is clamped on the base 600.
As shown in fig. 3, for the convenience of use of the wiring assembly, the welding portion 101 is further provided with a first insert 103 and a second insert 104 which are perpendicular to each other, and one end of the first insert 103 away from the second insert 104 is provided with a first tapered end 105, one end of the second insert 104 away from the first insert 103 is provided with a second tapered end 106, meanwhile, the side wall of the welding portion 101 is further provided with a first protruding portion 107 and a second protruding portion 108 for welding an external wiring, and the welding portion 101 is provided with two symmetrical arc portions 111, which is not only beneficial to mold forming, but also is convenient for beauty.
In order to ensure that the relay can accommodate both small and large currents, in another embodiment of the present invention, a shunt line is further included, one end of which is connected to the reed 202, and the other end of which is connected to the side wall of the terminal plate 100 opposite to the reed 202. In particular, in order to ensure the universality of the relay and prevent the static contact 200 from being burned off by high current, a wire is welded between the static contact 200 and the wiring board to ensure that the high current can pass through.
Illustratively, a coupling piece 205 is further included, the coupling piece 205 being coupled to the second boss 203 for coupling to one end of the wire.
In a specific application, the formed wiring assembly is mounted on the base 600, and the driving assembly 500 drives the linkage assembly 400 to move, so that the moving contact assembly 300 is driven to slide on the base 600, and the moving contact is contacted with the fixed contact 200.
As shown in fig. 6, an anti-rebound assembly comprises the above-mentioned wiring assembly and a limit cover 700, wherein the limit cover 700 is mounted on a base 600 of a relay, and a limit hole 701 for limiting the free end movement of a reed is formed in the limit cover 700.
As shown in fig. 5 and 6, a magnetic latching relay includes the above-mentioned anti-bouncing component, and a driving component 500, a linkage component 400 and a moving contact component 300 which are disposed on a magnetic latching relay base 600, wherein the driving component 500 drives the linkage component 400 to drive the moving contact component 300 to slide, so that a moving contact in the moving contact component 300 is closed with a fixed contact 200; wherein, the fixed contact 200 in the wiring assembly is limited to move in the limiting hole on the limiting cover.
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 (8)
1. An anti-rebound assembly, characterized by:
the magnetic latching relay comprises a wiring assembly and a limiting cover, wherein the limiting cover is arranged on a base of the magnetic latching relay, and a limiting hole for limiting the free end of the reed to move is formed in the limiting cover;
the wiring assembly comprises a fixed contact and a wiring board, and the fixed contact is arranged on the wiring board;
the fixed contact comprises a reed and a fixed contact, a second boss is arranged on the fixed contact, and the second boss is used for fixedly connecting the fixed contact with the reed;
the reed is bent to form a first connecting part and a second connecting part, and the first connecting part and the second connecting part form a certain included angle;
the rebound prevention assembly is used for a magnetic latching relay; the limit cover is suitable for being mounted on the base of the magnetic latching relay;
the free end of the second connecting part moves in a certain travel range; and the limit cover prevents the reed from excessively deforming and excessively rebounding in the closing process of the movable contact assembly and the fixed contact of the magnetic latching relay by limiting the movement of the free end.
2. The anti-rebound assembly of claim 1 wherein the free end of the second connecting portion extends to form a limit stop and the limit stop is positioned for movement within a range.
3. The anti-rebound assembly of claim 1 wherein: the bent part of the reed forms a third bending part with a certain radian, and the width of the third bending part is slightly smaller than the widths of the first connecting part and the second connecting part.
4. The anti-rebound assembly of claim 1 wherein: a plurality of first mounting holes are formed in the first connecting part;
and/or
And a second mounting hole is formed in the second connecting part.
5. The anti-rebound assembly of any one of claims 1 to 4 wherein: the device also comprises a splitter plate, wherein the splitter plate is clamped between the fixed contact and the reed, and the splitter plate is matched with the shape of the reed.
6. The anti-rebound assembly of claim 5 wherein; the novel electric wire is characterized by further comprising a shunt wire, one end of the shunt wire is connected to the reed, and the other end of the shunt wire is connected to the wiring board.
7. The anti-rebound assembly as set forth in claim 6 wherein: the connecting piece is connected to the second boss and is used for connecting the lead.
8. A magnetic latching relay, characterized by: a rebound prevention assembly as claimed in any one of claims 1 to 7, and a driving assembly, a linkage assembly and a moving contact assembly which are arranged on the base of the magnetic latching relay, wherein the driving assembly drives the linkage assembly to drive the moving contact assembly to slide so as to close the moving contact and the fixed contact in the moving contact assembly;
wherein, the stationary contact in the wiring assembly is limited in the limiting hole of limiting cover and moves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910935813.2A CN112103141B (en) | 2019-09-29 | 2019-09-29 | Reed, fixed contact, wiring assembly, rebound prevention assembly and magnetic latching relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910935813.2A CN112103141B (en) | 2019-09-29 | 2019-09-29 | Reed, fixed contact, wiring assembly, rebound prevention assembly and magnetic latching relay |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112103141A CN112103141A (en) | 2020-12-18 |
| CN112103141B true CN112103141B (en) | 2023-05-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910935813.2A Active CN112103141B (en) | 2019-09-29 | 2019-09-29 | Reed, fixed contact, wiring assembly, rebound prevention assembly and magnetic latching relay |
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| Country | Link |
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| CN (1) | CN112103141B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203521331U (en) * | 2013-09-25 | 2014-04-02 | 上海贝斯特电器制造有限公司 | Magnetic steel combination applied to magnetic latching relay, and magnetic latching relay |
| US9799475B2 (en) * | 2016-01-12 | 2017-10-24 | Dongguan Sanyou Electrical Appliances Co., Ltd | Magnetic latching relay |
| CN205564653U (en) * | 2016-04-12 | 2016-09-07 | 中山市汉功电器科技有限公司 | Set up splitter vane's electromagnetic relay |
| CN206564226U (en) * | 2017-02-10 | 2017-10-17 | 宁波华冠电子有限公司 | A kind of push-down high-power magnetic relay |
| CN207282408U (en) * | 2017-09-22 | 2018-04-27 | 湖北天运汽车电器系统有限公司 | A kind of relay |
| CN108648962A (en) * | 2018-07-18 | 2018-10-12 | 浙江凡华电子有限公司 | A kind of low fever high life armature structure of electromagnetic relay |
| CN208922994U (en) * | 2018-10-18 | 2019-05-31 | 乐清市前继继电器有限公司 | A kind of small high-power relay |
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| CN112103141A (en) | 2020-12-18 |
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