CN113113268B - Large-opening-distance high-tolerance magnetic latching relay - Google Patents
Large-opening-distance high-tolerance magnetic latching relay Download PDFInfo
- Publication number
- CN113113268B CN113113268B CN202110377217.4A CN202110377217A CN113113268B CN 113113268 B CN113113268 B CN 113113268B CN 202110377217 A CN202110377217 A CN 202110377217A CN 113113268 B CN113113268 B CN 113113268B
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- 230000003068 static effect Effects 0.000 claims abstract description 42
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229920001971 elastomer Polymers 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 239000000806 elastomer Substances 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 239000000306 component Substances 0.000 claims 9
- 239000008358 core component Substances 0.000 claims 3
- 238000010891 electric arc Methods 0.000 abstract description 2
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 230000005389 magnetism Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/14—Terminal arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electromagnets (AREA)
Abstract
The utility model relates to a large-opening-distance high-tolerance magnetic latching relay which comprises a base, an electromagnetic iron core assembly, a first static piece and a second static piece, wherein the electromagnetic iron core assembly, the first static piece and the second static piece are fixed on the base, and an operating rod assembly and a moving piece assembly are positioned and swung relative to the base. The control rod assembly is provided with a synchronous swinging control rod, the control rod assembly comprises a mobile plate and a mobile plate seat, the mobile plate is fixed on the mobile plate seat, the mobile plate seat is in positioning swinging rotation relative to the base, the mobile plate seat is provided with a linkage part linked with the control rod, when the mobile plate seat swings to one of the limiting ends along with the control rod, the mobile plate seat drives the mobile plate to be separated from the first static plate to form disconnection, when the mobile plate swings to the other limiting end along with the control rod, the mobile plate seat drives the mobile plate to be contacted with the first static plate to form guide connection, and in the guide connection state, the part, contacted with the mobile plate seat, of the control rod forms a swinging rotation dead point for limiting the active swinging rotation of the mobile plate seat. The structure has the advantages of small whole volume, large gap between the moving plate and the static plate, difficult generation of continuous electric arc, reliable and safe work and long service life.
Description
Technical Field
The utility model relates to a relay, in particular to a large-opening-distance high-tolerance magnetic latching relay.
Background
Currently, the main current magnetic latching relay with the largest using amount on the market has the specification of 63A-100A. The utility model name is a single-phase magnetic latching relay, for example, the authority notice number CN20154104410U published by Chinese patent literature is 9/1/2010, and the utility model name is a single-phase magnetic latching relay, for example, the authority notice number CN201691767U published by Chinese patent literature is 12/22/2010. The two magnetic latching relays are the most widely used two structures, and the external dimensions of the two magnetic latching relays are basically 310 (length) ×30 (width) ×16.5 (height) due to the limitation of application space, and the gap between separated electrified parts is difficult to reach more than 2mm when the main contacts of the two magnetic latching relays are at the disconnection positions due to the limitation of geometric space and the defects of the two magnetic latching relays. According to the regulation of JB/T12762-2015 self-resetting overvoltage and undervoltage protector, when the main contact is in the open position, the minimum electric gap between the separated electrified components is required to be 3.0mm or more, and obviously, the two magnetic latching relays are difficult to meet the requirements. The prior art also discloses a relay driven by a direct current motor, and under the condition of the same external dimension, the electric gap of the main contact is more than 3mm, but certain technical parameters are not ideal, so that the relay is limited in application. Therefore, how to achieve the electric gap of the main contact above 3mm without increasing the overall dimension of the magnetic latching becomes a difficult problem in the current technology.
In addition, the existing magnetic latching relay is poor in tolerance, and when the on transient current is large, the current impact and the insufficient magnetic latching force often cause disconnection, so that the reliability of operation is affected. For this reason, improvements are required to be made to the existing magnetic latching relay.
Disclosure of Invention
In order to overcome the defects, the utility model aims to provide a large-opening-distance high-tolerance magnetic latching relay for solving the technical problems that the conventional similar magnetic latching relay is small in opening-closing distance, easy to generate continuous electric arcs and poor in tolerance and magnetic latching reliability during opening. The aim is achieved by the following technical scheme.
The utility model provides a high tolerance magnetism keeps relay of large opening, it includes the base, be fixed in the electromagnetic core subassembly in the base, form the control lever subassembly of spacing swing along with the magnetism variation of electromagnetic core subassembly, form the moving plate subassembly of contact linkage along with the control lever subassembly swing, the first quiet piece that the moving plate subassembly swing forms two kinds of state switching of leading with it, disconnection, keep the second quiet piece of leading between the moving plate subassembly through flexible wire, electromagnetic core subassembly, first quiet piece, second quiet piece are all fixed in the base, wherein the conducting pin of first quiet piece, second quiet piece all stretches out the base, the control lever subassembly, moving plate subassembly all is the location pendulum and changes with the base; the control rod assembly is characterized in that the control rod assembly is provided with a synchronous swinging control rod, the control rod assembly comprises a control rod and a control rod seat, the control rod is fixed on the control rod seat, the control rod seat is in positioning swinging relative to the base, the control rod seat is provided with a linkage part linked with the control rod, when the control rod swings to one limiting end, the control rod seat drives the control rod to be separated from the first static plate to form disconnection, when the control rod swings to the other limiting end, the control rod seat drives the control rod to be contacted with the first static plate to form guide connection, and in a guide connection state, the part, contacted with the control rod seat, of the control rod seat forms a swinging dead point for limiting the active swinging of the control rod seat. Through the structure, the middle transmission energy consumption component is reduced, the operating lever component is directly pushed by electromagnetic force to link the moving plate to swing to realize on-off operation, and through the arrangement of the swing dead points, when the moving plate is connected with the static plate in a guiding way, the moving plate cannot actively swing due to current impact between the moving plate and the static plate, namely, the operating lever acts as a rotation stopping supporting rod on the moving plate seat, and the magnetic retention is more reliable and stable. Besides, due to the fact that the middle transmission structure is reduced, the internal space is saved, compared with the magnetic latching relay in the prior art, the magnetic latching relay is smaller in size, larger opening distance is designed between the movable sheet and the static sheet conveniently, the requirement that the minimum electric gap between separated electrified parts is larger than or equal to 3mm when the main contact is at the disconnection position is met, and the magnetic latching relay is more reliable and safer to use.
The swing dead point is that when the acting force of the first static plate and the moving plate is stable in the guide connection state, the direction of the force formed by the moving plate seat on the operating rod is directed to the swing axis of the operating rod assembly, or the direction of the force is maintained on the current swing in-place state of the operating rod assembly. By this structure, the reliability of the swing dead point position is ensured.
The contact part of the movable sheet seat and the end of the operating rod is a groove. The structure is used as one of the schemes of linkage, and is simple in structure and easy to install and use.
Further, an elastic body is arranged between the end head of the operating rod and the groove, when the operating rod swings to the guide connection state, the elastic body is tightly expanded at a swinging dead point where the operating rod is contacted with the moving plate seat, and surface contact is formed between the elastic body and the moving plate seat and between the elastic body and the end head of the operating rod. By adding the elastic body, the point contact swing dead point of the original operating lever and the moving plate seat is changed into the surface contact swing dead point by utilizing the deformation of the elastic body, and the rotation stopping is more reliable and stable.
Further, the elastic body is fixed in the groove or fixed at the end of the operating rod. Through this structure, realize the effective fixed of elastomer, guarantee the reliable and stable of operation.
The movable plate seat is in sliding hinge with the end of the operating rod, namely the movable plate seat is provided with a hinge chute and is hinged with the end of the operating rod through a hinge pin. The structure is used as another scheme of linkage of the movable plate seat and the operating rod, the structural connection is reliable, the action process is not easy to deviate, and the work is more reliable and stable.
And a limiting hook groove which is blocked with the hinge pin is formed at the swing dead point of the hinge sliding groove of the movable sheet seat, and the hooking direction of the limiting hook groove corresponds to the direction of the contact stress at the swing dead point. With this structure, the locking effect at the swing dead point can be improved as well.
The movable plate and the movable plate seat are in plug-in fit, namely, after the pins of the movable plate penetrate through the jacks of the movable plate seat, the movable plate is bent to form a clamping and fixing structure, and the pins of the movable plate penetrating through the movable plate seat are connected with the second static plate in a guiding way through flexible wires.
The electromagnetic iron core assembly comprises an electromagnetic coil body with an embedded iron core, symmetrical yokes are arranged at two ends of the electromagnetic coil body, the operating rod assembly comprises an insulating piece which swings relative to a base in a positioning mode, two parallel and spaced armatures are fixedly connected to the insulating piece in a penetrating mode, permanent magnets which enable the two armatures to form opposite polarities are arranged in the insulating piece, each armature extends out of two ends of the insulating piece, limiting notches are formed between the two armatures extending out of the ends, the yokes are provided with bending parts which extend into the corresponding side limiting notches and limit swing strokes of the insulating piece, and one side of the insulating piece is integrally provided with the operating rod. The structure is a specific structural scheme of the electromagnetic iron core assembly, and the electromagnetic iron core assembly is simple in structure and convenient to install.
And arc extinguishing grid plates are arranged in the base and are positioned at adjacent positions of the guide joint of the moving plate and the first static plate. Through this structure, realize the arc extinguishing effect between moving plate and the first quiet piece.
The utility model has the advantages of simple integral structure, small volume, larger gap between the moving plate and the static plate, difficult generation of continuous electric arc, reliable and safe operation and long service life, and is suitable for being used as a magnetic latching relay or the structural improvement of similar products.
Drawings
Fig. 1 is a schematic view of an internal structure of the present utility model in a use state, wherein G is a swing dead point, and O is a swing axis point of the lever assembly.
Fig. 2 is a schematic view of the internal structure of the present utility model in a second use state.
Fig. 3 is a schematic view of the internal structure of another embodiment of the present utility model.
Fig. 4 is a schematic structural diagram of the modification of fig. 1.
The serial numbers and names in the figures are: 1. base, 2, electromagnetic core assembly, 201, solenoid body, 202, yoke, 3, lever assembly, 301, insulator, 302, armature, 303, permanent magnet, 304, lever, 305, hinge pin, 306, elastomer, 4, moving sheet assembly, 401, moving sheet, 402, moving sheet seat, 403, groove, 404, hinge chute, 5, first static sheet, 6, second static sheet, 7, flexible wire, 8, arc extinguishing grid sheet, 9, clamping plate, 10, housing.
Detailed Description
The utility model will now be further described with reference to the accompanying drawings.
As shown in fig. 1 and 2, the magnetic latching relay comprises a base 1 and a housing 10, wherein an electromagnetic iron core assembly 2, a control rod assembly 3, a moving plate assembly 4, a first static plate 5 and a second static plate 6 are respectively arranged in the base.
The electromagnetic iron core assembly 2 is fixed in the base 1 and comprises an electromagnetic coil body 201 with an iron core arranged inside, and symmetrical yokes 202 are arranged at two ends of the electromagnetic coil body.
The main part of the control rod assembly 3 is an insulating part 301, an axle rod is integrally arranged on the insulating part, one end of the axle rod is pivoted and positioned on the base 1, the other end of the axle rod is pivoted and positioned on the clamping plate 9 in the housing 10, the insulating part is connected and fixed with two parallel and spaced armatures 302 in a penetrating way, permanent magnets 303 which enable the two armatures to form opposite polarities are arranged in the insulating part, each armature extends out of two ends of the insulating part, limit notches are formed between the two armatures extending out of each end, a bending part which extends into the corresponding side limit notch and limits the swing stroke of the insulating part is arranged on one side of the insulating part, and the control rod 304 is integrally arranged on one side of the insulating part.
The first static plate 5 and the second static plate 6 are fixed in corresponding groove positions of the base 1, and conductive pins of the first static plate and the second static plate extend out of the base.
The moving plate assembly 4 comprises a moving plate 401 and a moving plate seat 402, wherein the moving plate and the moving plate seat are fixed in a plugging manner, namely, pins of the moving plate penetrate through insertion holes of the moving plate seat and then are bent to form a locking fixation, and pins of the moving plate penetrating through the moving plate seat are connected with the second static plate 6 in a guiding manner through flexible wires 7. The mobile seat is positioned between the base 1 and the casing 10 in a swinging way and is provided with a groove 403 associated with the lever 304. When the operating lever swings to one of the limiting ends of the groove, the moving plate seat drives the moving plate to be separated from the first static plate 5 to be disconnected; when the operating rod swings to the other limit end of the groove, the moving plate seat drives the moving plate to contact with the first static plate to form a guide joint, and in the guide joint state, the operating rod and the groove part of the moving plate seat form a swing dead point for limiting the active swing of the moving plate seat, namely a point G in the figure. The swing dead point is the position beyond the swing dead point, such as GF direction in the figure, where the force of the first stationary plate and the moving plate is stable, and the force of the moving plate seat on the operating lever is directed to the swing axis of the operating lever assembly, i.e., GO direction, or the force of the force forms an included angle with respect to GO direction, i.e., the position beyond the swing dead point, and the force of GF direction keeps the current swing state of the operating lever assembly. Through this structure, when the movable plate is driven to the movable plate group and the first quiet piece forms the guide and connects, no matter how big effort is formed between first quiet piece and the movable plate, the movable plate seat can't initiatively drive the action lever and swing, effectively prevents to produce the problem of mistake disconnection because of the instantaneous heavy current impact of guide and connect department.
Further, as shown in fig. 4, an elastomer 306, preferably a rubber member, may be added between the end of the lever 304 and the groove 403, and the elastomer is fixed at the groove or the end of the lever. When the operating lever swings to the above-mentioned guiding state, the elastic body is tensioned at the swing dead point where the operating lever contacts the moving plate seat 402, and surface contact is formed between the elastic body and the moving plate seat and between the elastic body and the operating lever end.
Further, in order to implement the arc extinguishing operation between the moving plate 401 and the first static plate 5, an arc extinguishing gate 8 is disposed in the base 1 at a position adjacent to the position where the moving plate 401 and the first static plate 5 are connected.
As shown in fig. 3, the recess of the movable plate seat may be changed into a sliding hinge between the movable plate seat 402 and the end of the operating rod 304, that is, the movable plate seat is provided with a hinge chute 404, and the hinge is formed between the hinge chute and the end of the operating rod through a hinge pin 305. Furthermore, a limit hook groove which is blocked with the hinge pin is arranged at the swing dead point of the hinged chute, and the hooking direction of the limit hook groove corresponds to the direction of the contact stress at the swing dead point, so that the rotation stopping effect at the dead point can be enhanced.
The specific working principle of the magnetic latching relay is as follows: the magnetism of the armatures 202 at two ends is changed by the energization of the electromagnetic iron core assembly 2, so that the operating rod assembly 3 is driven to swing, the operating rod 304 of the operating rod assembly is linked with the moving plate seat 402 of the moving plate assembly 4 to swing, the moving plate seat drives the moving plate 401 to realize the guide connection with the first static plate 5, and when in guide connection, the swing dead point is formed at the contact position of the moving plate seat and the operating rod, so that the active swing of the moving plate seat is limited, and the reliability and stability of a magnetic latching relay passage are ensured. When the magnetic latching relay is disconnected, the control rod actively releases the swing dead point, so that the movable sheet seat is driven to swing, the movable sheet is separated from the first static section, and the disconnection of the magnetic latching relay is realized.
The above description is intended to illustrate the technical means of the present utility model, and not to limit the technical scope of the present utility model. The present utility model is obviously modified by a person skilled in the art in combination with the prior common general knowledge, and also falls within the scope of protection of the claims of the present utility model.
Claims (9)
1. A large-opening-distance high-tolerance magnetic latching relay comprises a base (1), an electromagnetic iron core component (2) fixed in the base, an operating rod component (3) which forms limit swing along with the magnetic change of the electromagnetic iron core component, a moving plate component (4) which forms contact linkage along with the swing of the operating rod component, a first static plate (5) which forms conduction connection and disconnection switching between the swing of the moving plate component and the moving plate component, and a second static plate (6) which keeps conduction connection between the moving plate component and the moving plate component through a flexible lead (7), wherein the electromagnetic iron core component, the first static plate and the second static plate are fixed on the base, conductive pins of the first static plate and the second static plate extend out of the base, and the operating rod component and the moving plate component are positioned and swing relative to the base; the control rod assembly (3) is provided with a control rod (304) which swings synchronously, the moving plate assembly (4) comprises a moving plate (401) and a moving plate seat (402), the moving plate is fixed on the moving plate seat, the moving plate seat is in positioning swinging relative to the base (1), the moving plate seat is provided with a linkage part which is linked with the control rod, when the moving plate swings to one limiting end, the moving plate seat drives the moving plate to be separated from the first static plate (5) to be disconnected, when the moving plate swings to the other limiting end, the moving plate seat drives the moving plate to be contacted with the first static plate to form guide connection, and in the guide connection state, the contact part of the moving plate and the moving plate seat forms a swinging dead point which limits the active swinging of the moving plate seat; the swing dead point means that when the acting force of the first static plate (5) and the moving plate (401) is stable in the guide connection state, the direction of the force formed by the moving plate seat (402) on the operating rod (304) points to the swing axle center of the operating rod assembly (3), or the direction of the force keeps the current swing state of the operating rod assembly.
2. The large-opening high-tolerance magnetic latching relay according to claim 1, wherein the contact part of the moving plate seat (402) and the end of the operating rod (304) is a groove (403).
3. The large-opening-distance high-tolerance magnetic latching relay according to claim 2, characterized in that an elastic body (306) is arranged between the end head of the operating lever (304) and the groove (403), when the operating lever swings to the conductive state, the elastic body is tensioned at a swinging dead point where the operating lever contacts the moving plate seat (402), and surface contact is formed between the elastic body and the moving plate seat and between the elastic body and the end head of the operating lever.
4. A large opening high withstand magnetic latching relay according to claim 3, characterized in that said elastomer (306) is fixed in said recess or at the end of said lever (304).
5. The large-opening high-tolerance magnetic latching relay according to claim 1, characterized in that the sliding hinge is provided between the rotor base (402) and the end of the operating lever (304), i.e. the rotor base is provided with a hinge chute (404) and the hinge is formed between the hinge chute and the end of the operating lever by a hinge pin (305).
6. The large-opening-distance high-tolerance magnetic latching relay according to claim 5, wherein a limit hook groove which is blocked with the hinge pin (305) is arranged at the swing dead point of the hinge chute (404) of the movable sheet seat (402), and the hooking direction of the limit hook groove corresponds to the direction of contact stress at the swing dead point.
7. The magnetic latching relay with large opening distance and high tolerance according to claim 1, wherein the moving plate (401) is in plug-in fit with the moving plate seat (402), namely, after the pins of the moving plate penetrate through the insertion holes of the moving plate seat, the moving plate is bent to form a locking fixation, and the pins of the moving plate penetrating through the moving plate seat are connected with the second static plate (6) through flexible wires (7).
8. The large-opening-distance high-tolerance magnetic latching relay according to claim 1, characterized in that the electromagnetic iron core assembly (2) comprises an electromagnetic coil body (201) with an inner iron core, symmetrical yokes (202) are arranged at two ends of the electromagnetic coil body, the operating lever assembly comprises an insulating part (301) which is positioned and swung relative to the base, two parallel and spaced armatures (302) are fixedly connected in a penetrating way through the insulating part, permanent magnets (303) which enable the two armatures to form opposite polarities are arranged in the insulating part, each armature extends out of two ends of the insulating part, limit notches are formed between the two armatures extending out of each end, the yokes are provided with bending parts which extend into the limit notches at the corresponding sides and limit the swinging stroke of the insulating part, and one side of the insulating part is integrally provided with the operating lever (304).
9. The large-opening high-tolerance magnetic latching relay according to claim 1, characterized in that an arc extinguishing grid sheet (8) is arranged in the base (1) at the adjacent position of the guide joint of the moving sheet (401) and the first static sheet (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110377217.4A CN113113268B (en) | 2021-04-08 | 2021-04-08 | Large-opening-distance high-tolerance magnetic latching relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110377217.4A CN113113268B (en) | 2021-04-08 | 2021-04-08 | Large-opening-distance high-tolerance magnetic latching relay |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113113268A CN113113268A (en) | 2021-07-13 |
| CN113113268B true CN113113268B (en) | 2024-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110377217.4A Active CN113113268B (en) | 2021-04-08 | 2021-04-08 | Large-opening-distance high-tolerance magnetic latching relay |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007258186A (en) * | 2007-05-18 | 2007-10-04 | Fujitsu Component Ltd | Electromagnetic relay |
| CN101976637A (en) * | 2010-10-09 | 2011-02-16 | 朱志华 | Magnetic latching relay with self-locking structure |
| WO2017157121A1 (en) * | 2016-03-18 | 2017-09-21 | 彭旭华 | Bistable magnetic latching relay based on mechanical h-bridge |
| CN107342190A (en) * | 2017-08-22 | 2017-11-10 | 江阴力源电子有限公司 | A kind of pushing mechanism of bistable magnetic latching relay |
| CN109119294A (en) * | 2018-09-26 | 2019-01-01 | 上海苏慧电气有限公司 | A kind of magnetic latching relay |
| CN111092003A (en) * | 2020-03-01 | 2020-05-01 | 台州晨诺科技有限公司 | High-breaking magnetic latching relay |
| CN111613487A (en) * | 2020-05-22 | 2020-09-01 | 任东园 | Magnetic latching relay and working method thereof |
| WO2022152219A1 (en) * | 2021-01-15 | 2022-07-21 | 厦门宏发电力电器有限公司 | Clapping-type bistable magnetic circuit structure and magnetic latching relay |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9799475B2 (en) * | 2016-01-12 | 2017-10-24 | Dongguan Sanyou Electrical Appliances Co., Ltd | Magnetic latching relay |
-
2021
- 2021-04-08 CN CN202110377217.4A patent/CN113113268B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007258186A (en) * | 2007-05-18 | 2007-10-04 | Fujitsu Component Ltd | Electromagnetic relay |
| CN101976637A (en) * | 2010-10-09 | 2011-02-16 | 朱志华 | Magnetic latching relay with self-locking structure |
| WO2017157121A1 (en) * | 2016-03-18 | 2017-09-21 | 彭旭华 | Bistable magnetic latching relay based on mechanical h-bridge |
| CN107342190A (en) * | 2017-08-22 | 2017-11-10 | 江阴力源电子有限公司 | A kind of pushing mechanism of bistable magnetic latching relay |
| CN109119294A (en) * | 2018-09-26 | 2019-01-01 | 上海苏慧电气有限公司 | A kind of magnetic latching relay |
| CN111092003A (en) * | 2020-03-01 | 2020-05-01 | 台州晨诺科技有限公司 | High-breaking magnetic latching relay |
| CN111613487A (en) * | 2020-05-22 | 2020-09-01 | 任东园 | Magnetic latching relay and working method thereof |
| WO2022152219A1 (en) * | 2021-01-15 | 2022-07-21 | 厦门宏发电力电器有限公司 | Clapping-type bistable magnetic circuit structure and magnetic latching relay |
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| CN113113268A (en) | 2021-07-13 |
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