CN114743836B - Electromagnetic relay capable of controlling electrical switching by external manual operation - Google Patents
Electromagnetic relay capable of controlling electrical switching by external manual operation Download PDFInfo
- Publication number
- CN114743836B CN114743836B CN202110019305.7A CN202110019305A CN114743836B CN 114743836 B CN114743836 B CN 114743836B CN 202110019305 A CN202110019305 A CN 202110019305A CN 114743836 B CN114743836 B CN 114743836B
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- pull rod
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- electromagnetic relay
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 230000000007 visual effect Effects 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 8
- 238000013461 design Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
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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
- H01H50/02—Bases; Casings; Covers
- H01H50/04—Mounting complete relay or separate parts of relay on a base or inside a case
- H01H50/041—Details concerning assembly of relays
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
The invention provides an electromagnetic relay capable of being externally and manually controlled to be electrically opened and closed. The upper cover of the shell is sunken to form a slideway, one end of the slideway is communicated with the inner surface of the upper cover, the other end of the slideway is provided with a lug, and the section of the lug is T-shaped; the push-pull rod is arranged on the slideway and can move relative to the upper cover, one end of the push-pull rod is provided with a clamping hook part which is arranged in the shell in a penetrating way, the push-pull rod is recessed with a slot, a connecting sleeve hole and a sliding hole are formed at the bottom of the slot, the sliding hole is in a straight rectangle, the size of the sleeve hole corresponds to the protruding block, and the width of the sliding hole is smaller than that of the sleeve hole; the relay assembly is arranged on the base of the shell and is provided with a contact spring plate group and a deflector rod arranged towards the upper cover direction, one end of the deflector rod can directly or indirectly push a movable contact piece of the contact spring plate group to be contacted with or disconnected from a fixed contact piece, and the other end of the deflector rod is clamped and fixed with the clamping hook part. The sliding hole can move relative to the protruding block after the sleeving hole penetrates through the protruding block, so that the electric opening and closing state can be directly controlled from the outside according to various requirements.
Description
Technical Field
The invention relates to the field of relays, in particular to an electromagnetic relay which can respond to detection or other requirements by mutually combining a novel shell, a push-pull rod and a deflector rod structure and is assisted with external manual control on-off.
Background
A Relay (Relay) is also called a Relay, and is an electronic control component widely used in a control circuit, and in short, the Relay is an electronic switch for controlling a large current with a small current. Relays can be classified into various types according to the operation principle, such as optical relays, electromagnetic relays, thermal relays, and the like.
Taking an electromagnetic relay as an example, the electromagnetic relay can be divided into a direct current relay and an alternating current relay according to the input current property, and the working principle of the direct current relay and the alternating current relay is the same, and the difference is only in the iron core design. The electromagnetic relay is internally provided with an electromagnetic coil, a movable contact and a fixed contact, and the fixed contact is externally connected with a control circuit, when the electromagnetic coil is electrified, the movable contact can displace according to the electromagnetic action of the electromagnetic coil, so that the purpose of controlling the electric switching is achieved. However, the conventional electromagnetic relay is controlled to be in an overall electrical open/close state by changing a magnetic field of a coil provided inside the relay, but in some special applications, such as detection, replacement, etc., a current circuit on state cannot be known from outside the electromagnetic relay, and there is no problem that the electrical open/close of the electromagnetic relay is directly controlled by other means, and there is a possibility that dangerous false touch occurs during the operation in addition to considerable inconvenience.
In view of the above, the present inventors have concentrated many years of experience in related industries, conceived and proposed an electromagnetic relay capable of controlling electrical switching manually from outside, so as to effectively improve and solve the existing drawbacks, and provide a more convenient relay product.
Disclosure of Invention
An object of the present invention is to provide an electromagnetic relay capable of being manually controlled to be electrically opened and closed externally, which can be used for an operator to directly control the electrical opening and closing of the relay from the outside of the electromagnetic relay, so as to meet various application requirements and improve the convenience in operation.
To achieve the above object, the present invention discloses an electromagnetic relay capable of externally controlling electrical switching by hand, comprising: the shell is provided with a base and an upper cover, wherein the upper cover is sunken to form a slide way, one end of the slide way is communicated with the inner surface of the upper cover, the other end of the slide way is provided with a lug, and the section of the lug is in a T shape; the push-pull rod is arranged on the slideway and can move relative to the upper cover, one end of the push-pull rod forms a force application part, the other end forms a clamping hook part and is arranged in the shell in a penetrating way, the push-pull rod body is concavely provided with a slot, a sleeve hole and a sliding hole which are connected with each other are formed at the bottom of the slot, the sliding hole is in a straight rectangular shape, the size of the sleeve hole is corresponding to the size of the convex block, and the width of the sliding hole is smaller than that of the sleeve hole; the relay assembly is arranged on the base and is provided with at least one contact spring piece group and a deflector rod arranged towards the upper cover, the contact spring piece group is provided with at least one fixed contact piece and at least one movable contact piece, one end of the deflector rod can directly or indirectly push the movable contact piece to contact with or disconnect from the fixed contact piece, and the other end of the deflector rod is mutually clamped and fixed with the clamping hook part; the push-pull rod is provided with a push-pull hole, a push-pull hole and a pull rod, wherein the push-pull hole is sleeved with the convex block, the push-pull rod can enable the sliding hole to move relative to the convex block and link the clamping hook part to move in the shell, and when the force application part is stressed, the push-pull rod can enable the sliding hole to move relative to the convex block, so that the clamping hook part drives the deflector rod to push the contact spring plate group to form an electric connection or an electric disconnection state. Therefore, the push-pull rod, the slideway and the deflector rod can be matched to realize the purpose of directly controlling the electric opening and closing of the relay from the outside, thereby being beneficial to operators to rapidly control the state of the relay according to various requirements, not needing to adjust through other complicated procedures and improving the convenience in overhaul and assembly.
Preferably, the engaging hole is one of a circle or a square to facilitate the bump assembly; in addition, the force application part can be a T-shaped workpiece, so that the push-pull operation is facilitated.
Preferably, the push-pull rod is provided with a plurality of material stealing parts, so that the assembly cost is reduced, and simultaneously, a little deformation space is provided during the actuation, so that the push-pull actuation is facilitated.
Preferably, the upper cover is provided with a visual opening corresponding to the moving position of the deflector rod for visually judging whether the electrical property of the contact spring plate set is in a connection or disconnection state so as to improve the control convenience.
Preferably, the electromagnetic relay further comprises: the rotary bridge is provided with a body, a first rotary piece and a second rotary piece, wherein the first rotary piece and the second rotary piece extend from two sides of the body; when the number of the fixed contact pieces and the number of the movable contact pieces are respectively two, the fixed contact pieces and the movable contact pieces are respectively defined as a first fixed contact piece and a first movable contact piece, and a second fixed contact piece and a second movable contact piece; one end of the deflector rod is provided with a first clamping groove and a second clamping groove, the first clamping groove is fixedly connected with the first movable contact sheet in a clamping way, the second clamping groove is fixedly connected with the first rotating sheet in a clamping way, and the second rotating sheet is directly or indirectly fixedly connected with the second movable contact sheet in a clamping way; after the deflector rod is stressed, the contact or disconnection state of the first movable contact piece and the first fixed contact piece and the contact or disconnection state of the second movable contact piece and the second fixed contact piece can be synchronously realized, so that the electric switching of the relay is more stable and smooth.
Preferably, the second rotating plate of the rotating bridge is clamped and fixed at one end of an extension arm, and the other end of the extension arm is clamped and fixedly connected with the second movable contact plate, so that the second movable contact plate is driven by the extension arm structure, and the stability in operation is improved. Further, the body of the rotating bridge has magnetism to drive the rotating bridge to act through magnetic control.
In view of the above, the electromagnetic relay capable of being controlled to be opened and closed by external manual operation is a brand new product, and the push-pull rod arranged on the outer side of the electromagnetic relay is mutually assembled with the slideway on the shell and the deflector rod of the relay assembly, so that the purpose of directly controlling the relay to be opened and closed by external operation can be achieved, and the effect of greatly improving the application convenience is achieved. In addition to the structural design of the present invention not found in the electromagnetic relay field, the structure of the push-pull rod, the slide way and the deflector rod is designed based on various considerations, so that the structural design of the internal contact spring sheet set capable of being controlled from outside is added on the limited space of the electromagnetic relay. In addition, in order to facilitate push-pull control, the invention also provides more detailed structural characteristics about the sleeve hole and the push-pull rod; or in order to facilitate the quick identification of the opening and closing state of the relay, a visual opening and the like can be additionally arranged at the upper cover, which are further specific technical characteristics of the invention.
Drawings
Fig. 1A is an exploded view of an electromagnetic relay according to an embodiment of the present invention.
Fig. 1B is another exploded view of an electromagnetic relay according to an embodiment of the present invention.
FIG. 2A is an exploded view of the outer cover and the push-pull rod according to an embodiment of the present invention.
FIG. 2B is an exploded view of the outer cover and push-pull rod according to an embodiment of the present invention.
Fig. 3 is a schematic diagram (a) illustrating an electromagnetic relay according to an embodiment of the present invention.
Fig. 4 is a schematic diagram (ii) of an electromagnetic relay according to an embodiment of the invention.
Reference numerals illustrate: 1-an electromagnetic relay; 10-a housing; 101-a base; 102-an upper cover; 1021-a slideway; 1022-bump; 1023-visual aperture; 11-a push-pull rod; 111-a force application part; 112-a hook portion; 113-slotting; 1131-a nest hole; 1132-a sliding hole; 114-a material stealing part; a 12-relay assembly; 121-a contact spring plate group; 1211-a first fixed contact piece; 1212-a first movable contact piece; 1213-a second fixed contact piece; 1214-second movable contact pieces; 122-a toggle; 1221-a first card slot; 1222-a second card slot; 13-a rotating bridge; 131-body; 1311-first rotor plate; 1312-a second rotor; 14-extension arm.
Detailed Description
So that those skilled in the art can clearly understand the present invention, reference will be made to the following description taken in conjunction with the accompanying drawings.
Fig. 1A to fig. 4 are an exploded view diagram and another exploded view diagram of an electromagnetic relay, an exploded view diagram and another exploded view diagram of an outer cover and a push-pull rod, an application diagram (one) and an application diagram (two) of the electromagnetic relay according to an embodiment of the invention. The invention discloses an electromagnetic relay 1 capable of being controlled to be opened and closed electrically by external manual operation, which comprises a shell 10, a push-pull rod 11 and a relay assembly 12, wherein the shell 10 is provided with a base 101 and an upper cover 102, the upper cover 102 is sunken to form a slide 1021, one end of the slide 1021 is communicated with the inner surface of the upper cover 102, the other end of the slide 1021 is provided with a lug 1022, and the section of the lug 1022 is in a T shape and is in a structure with a wide upper part and a narrow lower part.
The push-pull rod 11 is disposed on the slide 1021 and can move relative to the upper cover 102, one end of the push-pull rod 11 forms a force application portion 111, the other end forms a hook portion 112 and is disposed in the housing 10 in a penetrating manner, the push-pull rod 11 body is concavely provided with a slot 113, a fitting hole 1131 and a sliding hole 1132 are formed at the bottom of the slot 113 and are connected with each other, the sliding hole 1132 is in a straight rectangular shape, the size of the fitting hole 1131 is opened corresponding to the size of the bump 1022, and the width of the sliding hole 1132 is smaller than the fitting hole 1131, so as to facilitate the assembly of the bump 1022 and the movement of the push-pull rod 11.
The relay assembly 12 is disposed on the base 101 and has at least one contact spring set 121 and a lever 122 disposed toward the upper cover 102, the contact spring set 121 has at least one fixed contact piece and at least one movable contact piece, one end of the lever 122 can directly or indirectly push the movable contact piece to contact with or disconnect from the fixed contact piece, and the other end of the lever 122 is fastened with the hook portion 112; after the engaging hole 1131 of the push-pull rod 11 passes through the protruding block 1022, the sliding hole 1132 can move relative to the protruding block 1022, and the hook portion 112 is linked to move in the housing 10, when the force application portion 111 is forced, the sliding hole 1132 can move relative to the protruding block 1022, so that the hook portion 112 drives the shift lever 122 to push the contact spring set 121 to form an electrical connection or an electrical disconnection state. Thus, through the structures of the push-pull rod 11 and the slideway 1021, the hook portion 112 of the push-pull rod 11 can drive the deflector rod 122 by moving the push-pull rod 11 from the outside, and the deflector rod 122 can further link the movable contact piece to be contacted with or disconnected from the fixed contact piece, so that the effect of directly controlling the electrical state of the electromagnetic relay 1 from the outside is achieved. Thus, for example, when the replacement or maintenance is to be performed, the electromagnetic relay 1 can be controlled and ensured to be in the power-off state by the push-pull rod 11 so as to facilitate the subsequent processing.
Further, the fitting hole 1131 may be one of a circle or a square, so as to be assembled with the bump 1022, and in this embodiment, the fitting hole 1131 is exemplified as a square. In addition, to facilitate control of the push-pull rod 11, the force application portion 111 may be a T-shaped workpiece, which is convenient for a person to hold and apply force to push-pull.
On the other hand, the push-pull rod 11 has a plurality of material stealing portions 114, which can reduce the assembly cost and the friction force between the push-pull rod 11 and the slide 1021 during the operation, thereby facilitating the push-pull operation, and in this embodiment, the push-pull rod 11 is provided with three material stealing portions 114.
In order to allow an operator to quickly identify the electrical state of the electromagnetic relay 1, preferably, the upper cover 102 is provided with a visual opening 1023 corresponding to the moving position of the lever 122 for visually determining whether the electrical state of the contact spring set 121 is a connected or disconnected state. In this way, when in use, the visual opening 1023 can be used to rapidly determine whether the electromagnetic relay 1 is in the energized state, and then the next operation procedure is performed, so as to improve the convenience of the operation, and further, a mark can be set at the position of the upper cover 102 corresponding to the visual opening 1023 to indicate the position of the electromagnetic relay 1 for electrically opening and closing.
In addition, in a preferred embodiment, the electromagnetic relay 1 may further include a rotating bridge 13, the rotating bridge 13 has a body 131, and a first rotating piece 1311 and a second rotating piece 1312 extending from two sides of the body 131, preferably, the body 131 of the rotating bridge 13 may have magnetism to drive the rotating bridge 13 to act through magnetic control. When the number of the fixed contact pieces and the movable contact pieces are two, the fixed contact pieces and the movable contact pieces are defined as a first fixed contact piece 1211 and a first movable contact piece 1212, and a second fixed contact piece 1213 and a second movable contact piece 1214, respectively; one end of the lever 122 is provided with a first slot 1221 and a second slot 1222, the first slot 1221 is fixedly connected with the first movable contact piece 1212, the second slot 1222 is fixedly connected with the first rotary piece 1311, and the second rotary piece 1312 is directly or indirectly fixedly connected with the second movable contact piece 1214; when the lever 122 is forced, the contact or disconnection state of the first movable contact piece 1212 and the first fixed contact piece 1211 and the contact or disconnection state of the second movable contact piece 1214 and the second fixed contact piece 1213 can be achieved synchronously. In this embodiment, the relay assembly 12 may be provided with two corresponding fixed contact pieces and movable contact pieces, and the first movable contact piece 1212 and the second movable contact piece 1214 can be synchronously controlled to open and close relative to the first fixed contact piece 1211 and the second fixed contact piece 1213 through the first rotating piece 1311 and the second rotating piece 1312 of the rotating bridge 13. In this embodiment, the second rotating piece 1312 of the rotating bridge 13 is clamped and fixed to one end of an extension arm 14, and the other end of the extension arm 14 is clamped and fixed to the second movable contact piece 1214, so that the second rotating piece 1312 of the rotating bridge 13 is clamped and fixed to the second movable contact piece 1214 through the extension arm 14, which is helpful for improving the stability of the second movable contact piece 1214 during operation.
In application, as shown in fig. 3 and 4, in order to facilitate schematic illustration of the operation state, some elements are omitted in fig. 3 and 4, fig. 3 shows the electromagnetic relay 1 in a conductive state, and fig. 4 shows the electromagnetic relay 1 in a non-conductive state. In a preferred embodiment, when the electrical state of the electromagnetic relay 1 needs to be adjusted, the force application portion 111 of the push-pull rod 11 pulls the sliding hole 1132 outwards to move relative to the bump 1022, the hook portion 112 will displace in the housing 10 to drive the lever 122 upwards, and the second slot 1222 of the lever 122 drives the first rotor 1311 to move upwards, so that the rotary bridge 13 rotates. At this time, the first movable contact piece 1212 is driven by the first card slot 1221 connected thereto to disconnect from the first fixed contact piece 1211, and the second movable contact piece 1214 is disconnected from the second fixed contact piece 1213 in synchronization with the second rotating piece 1312 of the rotating bridge 13, so that the electromagnetic relay 1 is in a non-conductive state, and the electrical state of the electromagnetic relay 1 can be switched from fig. 3 to fig. 4. Conversely, to turn the electromagnetic relay 1 into a conductive state, the push-pull rod 11 is pushed to move the sliding hole 1132 relative to the bump 1022, so that the hook 112 drives the lever 122 downward. At this time, the second slot 1222 of the lever 122 drives the first rotary plate 1311 to move downward and rotate the rotary bridge 13, the first movable contact plate 1212 can contact with the first fixed contact plate 1211 corresponding to the first slot 1221 connected thereto, and the second movable contact plate 1214 can synchronously contact with the second fixed contact plate 1213 corresponding to the second rotary plate 1312 of the rotary bridge 13, so that the electromagnetic relay 1 is turned on, and then the state of fig. 4 is switched to the state of fig. 3.
In view of the above, the electromagnetic relay 1 of the present invention is a new type of product, which is capable of being controlled by external manual operation to open and close the relay by combining the push-pull rod 11 disposed outside the electromagnetic relay 1 with the slide 1021 on the housing 10 and the shifter 122 of the relay assembly 12, so as to achieve the purpose of controlling the relay to open and close the relay directly from the outside, thereby greatly improving the application convenience. In addition to the structural design of the present invention not found in the electromagnetic relay field, the structures of the push-pull rod 11, the slide 1021 and the shift lever 122 are also designed based on various considerations, so as to add a structural design capable of externally controlling the inner contact spring plate set on the limited space of the electromagnetic relay 1. In addition, in order to facilitate the push-pull control, the invention also provides more detailed structural features regarding the sleeve hole 1131 and the push-pull rod 11; or in order to facilitate quick recognition of the opening and closing state of the relay, a visible opening 1023 may be additionally provided at the upper cover 102, which is a further specific technical feature of the present invention.
However, the above description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the present invention; equivalent changes and modifications are intended to be included within the scope of the present invention.
Claims (8)
1. An electromagnetic relay capable of externally and manually controlling electrical switching, comprising:
a shell provided with a base and an upper cover, wherein the upper cover is sunken to form a slide way, one end of the slide way is communicated with the inner surface of the upper cover, and the other end of the slide way is provided with a bump;
the push-pull rod is arranged on the slideway and can move relative to the upper cover, one end of the push-pull rod forms a force application part, the other end forms a clamping hook part and is arranged in the shell in a penetrating way, the push-pull rod body is concavely provided with a slot, a sleeve hole and a sliding hole which are connected with each other are formed at the bottom of the slot, the sliding hole is in a straight rectangular shape, the size of the sleeve hole is corresponding to the size of the convex block, and the width of the sliding hole is smaller than that of the sleeve hole; wherein the cross section of the lug on the moving direction perpendicular to the plane of the slideway and the push-pull rod is T-shaped; and
The relay assembly is arranged on the base and is provided with at least one contact spring piece group and a deflector rod arranged towards the upper cover, the contact spring piece group is provided with at least one fixed contact piece and at least one movable contact piece, one end of the deflector rod can directly or indirectly push the movable contact piece to contact with or disconnect from the fixed contact piece, and the other end of the deflector rod is mutually clamped and fixed with the clamping hook part; the push-pull rod is provided with a push-pull hole, a push-pull hole and a pull rod, wherein the push-pull hole is sleeved with the convex block, the push-pull rod can enable the sliding hole to move along a slideway relative to the convex block and link the clamping hook part to displace in the shell, and when the force application part is stressed, the push-pull rod can enable the sliding hole to move relative to the convex block, so that the clamping hook part drives the deflector rod to push the contact spring piece group to form an electric connection or electric disconnection state.
2. The electromagnetic relay of claim 1 wherein the engagement aperture is circular or square.
3. The electromagnetic relay of claim 2 wherein the force applying portion is a T-shaped workpiece.
4. The electromagnetic relay of claim 3 wherein the push-pull rod has a plurality of feed-stealing portions.
5. The electromagnetic relay of claim 4 wherein the upper cover is provided with a visual opening corresponding to the moving position of the shift lever for visually judging whether the electrical property of the contact spring set is in a connected or disconnected state.
6. The electromagnetic relay capable of externally and manually controlling electrical switching according to any one of claims 1 to 5, further comprising: the rotary bridge is provided with a body, a first rotary piece and a second rotary piece, wherein the first rotary piece and the second rotary piece extend from two sides of the body; the number of the fixed contact pieces is two, namely a first fixed contact piece and a second fixed contact piece, and the number of the movable contact pieces is two, namely a first movable contact piece and a second movable contact piece; one end of the deflector rod is provided with a first clamping groove and a second clamping groove, the first clamping groove is fixedly connected with the first movable contact sheet in a clamping way, the second clamping groove is fixedly connected with the first rotating sheet in a clamping way, and the second rotating sheet is directly or indirectly fixedly connected with the second movable contact sheet in a clamping way; when the deflector rod is stressed, the contact or disconnection state of the first movable contact piece and the first fixed contact piece and the contact or disconnection state of the second movable contact piece and the second fixed contact piece can be synchronously realized.
7. The electromagnetic relay of claim 6 wherein the second rotating piece of the rotating bridge is clamped at one end of an extension arm, and the other end of the extension arm is clamped with the second movable contact piece.
8. The electromagnetic relay of claim 7 wherein the body of the rotating bridge is magnetic.
Priority Applications (1)
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CN202110019305.7A CN114743836B (en) | 2021-01-07 | 2021-01-07 | Electromagnetic relay capable of controlling electrical switching by external manual operation |
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CN202110019305.7A CN114743836B (en) | 2021-01-07 | 2021-01-07 | Electromagnetic relay capable of controlling electrical switching by external manual operation |
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CN114743836A CN114743836A (en) | 2022-07-12 |
CN114743836B true CN114743836B (en) | 2024-02-27 |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008159476A (en) * | 2006-12-25 | 2008-07-10 | Matsushita Electric Works Ltd | Relay |
JP2010198867A (en) * | 2009-02-24 | 2010-09-09 | Panasonic Electric Works Co Ltd | Electromagnetic relay, and control device using it |
KR101310602B1 (en) * | 2013-03-27 | 2013-09-23 | 강춘기 | Relay apparatus provided with indicator |
KR101362901B1 (en) * | 2013-11-20 | 2014-02-13 | 주식회사 와이엠텍 | Latch relay |
CN110098090A (en) * | 2019-06-23 | 2019-08-06 | 孙茹 | A kind of multifunction energy-saving relay |
CN110323106A (en) * | 2018-03-29 | 2019-10-11 | 厦门台松精密电子有限公司 | Movable elastic piece structure and its relay |
-
2021
- 2021-01-07 CN CN202110019305.7A patent/CN114743836B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008159476A (en) * | 2006-12-25 | 2008-07-10 | Matsushita Electric Works Ltd | Relay |
JP2010198867A (en) * | 2009-02-24 | 2010-09-09 | Panasonic Electric Works Co Ltd | Electromagnetic relay, and control device using it |
KR101310602B1 (en) * | 2013-03-27 | 2013-09-23 | 강춘기 | Relay apparatus provided with indicator |
KR101362901B1 (en) * | 2013-11-20 | 2014-02-13 | 주식회사 와이엠텍 | Latch relay |
CN110323106A (en) * | 2018-03-29 | 2019-10-11 | 厦门台松精密电子有限公司 | Movable elastic piece structure and its relay |
CN110098090A (en) * | 2019-06-23 | 2019-08-06 | 孙茹 | A kind of multifunction energy-saving relay |
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