CN110265267B - Relay with armature capable of stable reset - Google Patents
Relay with armature capable of stable reset Download PDFInfo
- Publication number
- CN110265267B CN110265267B CN201910571513.0A CN201910571513A CN110265267B CN 110265267 B CN110265267 B CN 110265267B CN 201910571513 A CN201910571513 A CN 201910571513A CN 110265267 B CN110265267 B CN 110265267B
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- armature
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- static
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- 230000003068 static effect Effects 0.000 claims abstract description 44
- 238000009434 installation Methods 0.000 claims abstract description 13
- 235000014676 Phragmites communis Nutrition 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 8
- 229910052742 iron Inorganic materials 0.000 abstract 3
- 238000003780 insertion Methods 0.000 description 7
- 230000037431 insertion Effects 0.000 description 7
- 230000000284 resting effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 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
- H01H50/16—Magnetic circuit arrangements
- H01H50/18—Movable parts of magnetic circuits, e.g. armature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
- H01H50/36—Stationary parts of magnetic circuit, e.g. yoke
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H51/00—Electromagnetic relays
- H01H51/02—Non-polarised relays
- H01H51/04—Non-polarised relays with single armature; with single set of ganged armatures
- H01H51/06—Armature is movable between two limit positions of rest and is moved in one direction due to energisation of an electromagnet and after the electromagnet is de-energised is returned by energy stored during the movement in the first direction, e.g. by using a spring, by using a permanent magnet, by gravity
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electromagnets (AREA)
Abstract
The invention discloses a relay with an armature capable of stably resetting, which comprises a shell, a movable spring component, a static spring component and a linkage component, wherein the shell forms an installation space, the movable spring component is arranged in the installation space, the movable spring component comprises a movable spring, a pair of movable contact bags, a movable spring pin and a pin contact bag, the pair of movable contact bags are respectively arranged on two sides of the movable spring, the pin contact bag is arranged on the movable spring pin, the static spring component is arranged in the installation space, the static spring component comprises a static spring pin and a static contact bag, the static contact bag is arranged opposite to one of the movable contact bags, the linkage component comprises a coil component, a yoke iron, a tension spring and an armature, the armature is pivotably coupled to the coil component through the yoke iron and the tension spring, and the yoke iron is provided with a limiting bulge, so that the armature can stably reset.
Description
Technical Field
The invention relates to a relay, in particular to a relay with an armature capable of being reset stably.
Background
As an electronic control device, a relay is generally widely used in an automatic control circuit. Whereas in essence a relay is an "automatic switch" that uses a smaller current to control a larger current. Therefore, the circuit plays roles of automatic regulation, safety protection, circuit switching and the like.
The prior relay comprises a shell, a base, a movable spring component, a static spring component and a linkage component, wherein the movable spring component, the static spring component and the linkage component are respectively arranged between the shell and the base. The movable spring component forms a movable contact. The static spring component forms a static contact. The movable contact of the movable spring assembly can be switched between a state of being conducted with the stationary contact and another state of being disconnected with the stationary contact through the linkage assembly.
The linkage assembly described in the prior art includes a coil assembly, an armature, a yoke, and a pivot member. The movable contact is fixed to the armature, wherein the armature is pivotably connected to the yoke by the pivot member. The pivot is typically embodied as a spring. When the coil assembly is not electrified, the movable contact arranged on the armature is not electrically conducted with the static contact, so that the movable contact of the movable spring assembly is in an outage state. When the coil assembly is electrified, the armature is attracted by a magnetic field generated by the coil assembly, so that the movable contact of the movable spring assembly is driven to move towards the stationary contact of the stationary spring assembly, and the movable contact is further attached to the stationary contact, so that the movable contact is in a state of being conducted with the stationary contact.
Since the armature needs to swing through the pivoting member when being attracted by the coil assembly, a certain swing space is required at the end of the armature connected with the pivoting member. When the relay vibrates due to the swinging space, one end of the armature of the relay, which is connected with the pivoting piece, is possibly stranded on the yoke and cannot swing continuously, at the moment, the movable contact fixed on the armature cannot be switched between a state of being conducted with the stationary contact and another state of being disconnected with the stationary contact, and the relay also cannot function as a control circuit. For example, when the relay is subjected to resonance due to impact or mechanical stress. In addition, when the armature and the end of the pivot member are placed on the yoke and the movable contact and the stationary contact are always in a conductive state, some other electronic components in common with the relay may be damaged.
Disclosure of Invention
An object of the present invention is to provide a relay in which an armature is stably resettable, wherein the relay in which the armature is stably resettable is capable of stably swinging the armature in the relay, thereby keeping the relay stable.
Another object of the present invention is to provide a relay in which an armature can be stably reset, wherein the armature can be stably swung by increasing a supporting point of the armature during the swing.
It is another object of the present invention to provide an armature stable resettable relay wherein the armature in the armature stable resettable relay is held in a swing position without resting on the yoke.
Another object of the present invention is to provide a relay with an armature that is stable in resetting, wherein the relay with the armature that is stable in resetting is low in manufacturing cost.
To achieve at least one of the above objects of the present invention, there is provided a relay with an armature that is stably resettable, wherein the relay with the armature that is stably resettable includes:
a housing, wherein the housing forms an installation space;
the movable spring assembly is arranged in the installation space, and comprises a movable reed, a movable contact package and a pair of movable spring pins, wherein the movable contact package is arranged on the movable reed, contacts are respectively formed on two sides of the movable reed, and the pin contact package is arranged on the movable spring pins;
a static spring assembly, wherein the static spring assembly is arranged in the installation space, wherein the static spring assembly comprises a pair of static spring pins and a pair of static contact bags, wherein each static spring pin is provided with one static contact bag, and a pair of static spring pins are respectively kept at two sides of the movable spring pin; and
a linkage assembly, wherein the linkage assembly comprises:
a coil assembly, wherein the coil assembly forms a magnetic attraction end;
a yoke, wherein the yoke is mounted to the coil block and forms a fixed end, wherein the yoke is bent into an L shape and forms a coil fixing portion and an armature fixing portion, the armature fixing portion integrally extends from the coil fixing portion and forms a socket end, the coil fixing portion forms a bayonet at the socket end, the insertion end of the armature fixing portion forms a first limit portion and a second limit portion, wherein the first limit portion forms the bayonet, the first limit portion forms a shaft rotation opening, wherein the shaft rotation opening is communicated with the bayonet, the first limit portion forms a limit protrusion, and the pivot end of the armature is limited to swing in the bayonet after the armature is assembled to the bayonet;
a tension spring, wherein one end of the tension spring is fixed on the fixed end; and
the armature comprises a pivoting end and a swinging end, wherein the middle part of the pivoting end forms a mounting part, the other end of the tension spring is fixed on the mounting part, the pivoting end of the armature is pivotally inserted into the bayonet of the yoke through the tension spring, the swinging end of the armature is swingably coupled with the magnetic attraction end of the coil assembly, the moving contact bag opposite to the static contact bag on the armature is disconnected from the static contact bag when the coil assembly is not electrified, and the moving contact bag opposite to the static contact bag on the armature is conducted with the static contact bag when the coil assembly is electrified.
According to an embodiment of the present invention, the coil fixing portion of the yoke integrally extends to form a pair of the moving spring pins, wherein the moving spring assembly includes a braid wire, wherein the braid wire is electrically connected to the moving spring and the yoke.
According to an embodiment of the present invention, the limit projection is provided at a lower end of the first limit portion forming the shaft rotation port.
According to an embodiment of the present invention, the limit projection is provided at an upper end of the first limit portion forming the shaft rotation port.
According to an embodiment of the present invention, the limit projection is integrally formed with the first limit portion.
According to one embodiment of the invention, the top end of the limiting protrusion forms a rounded corner.
According to an embodiment of the invention, the limiting protrusion forms a further rounded corner towards one side of the bayonet.
According to an embodiment of the present invention, the housing includes a bottom plate and a case, wherein the case forms the installation space, wherein the bottom plate is installed to the case, wherein the case is provided with a limit projection, wherein the limit projection is integrally formed to extend toward the bottom plate from a side opposite to the bottom plate, and one side of the armature is defined between the limit projection and the component mounting seat when the case is relatively fixed to the bottom plate.
Further objects and advantages of the present invention will become fully apparent from the following description and the accompanying drawings.
These and other objects, features and advantages of the present invention will become more fully apparent from the following detailed description, the accompanying drawings and the appended claims.
Drawings
Fig. 1 shows a perspective view of a relay of the present invention in which an armature is stable in reset.
Fig. 2 is a partially exploded view of a relay with an armature that can be stably reset according to the present invention.
Fig. 3 shows an exploded view of the relay of the present invention in another state in which the armature is stable to reset.
Fig. 4 shows a perspective view of a housing of a relay with an armature that can be stably reset according to the invention.
Fig. 5 shows a perspective view of a yoke of a relay with an armature that is stable in return according to the invention.
Fig. 6 is a schematic view showing a part of the structure of a relay in which an armature is stably reset when an energizing coil is not energized.
Fig. 7 is a schematic view showing a part of the structure of an energizing coil in the relay in which the armature is stably resettable.
Detailed Description
The following description is presented to enable one of ordinary skill in the art to make and use the invention. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art. The basic principles of the invention defined in the following description may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the invention.
It will be appreciated by those skilled in the art that in the present disclosure, the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. refer to an orientation or positional relationship based on that shown in the drawings, which is merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore the above terms should not be construed as limiting the present invention.
It will be understood that the terms "a" and "an" should be interpreted as referring to "at least one" or "one or more," i.e., in one embodiment, the number of elements may be one, while in another embodiment, the number of elements may be plural, and the term "a" should not be interpreted as limiting the number.
Referring to fig. 1 to 7, an armature-stabilized resettable relay 100 according to a preferred embodiment of the present invention, which can be used for automatic adjustment of a circuit, safety protection, circuit switching, etc., will be described in detail below.
The armature stable reset relay 100 includes a housing 10, a moving spring assembly 20, a static spring assembly 30, and a linkage assembly 40. The housing 10 forms an installation space 101, wherein the movable spring assembly 20, the stationary spring assembly 30 and the linkage assembly 40 are respectively disposed in the installation space 101.
Preferably, the housing 10 includes a base plate 11 and a shell 12, wherein the moving spring assembly 20, the moving spring assembly 30 and the linkage assembly 40 are respectively mounted to the base plate 11. The housing 12 forms the installation space 101. The housing 12 is relatively sealingly mounted to the base plate 11 such that the mounting space 101 is sealed by the base plate 11.
The base plate 11 is provided with a plurality of insertion holes 1101 through which pins formed by the movable spring assembly 20 and/or the stationary spring assembly 30 extend from one side of the base plate 11 to the other side of the base plate 11.
The movable spring assembly 20 includes a movable spring 21, a movable contact bag 22 inserted between two sides of the movable spring 21, at least a pair of movable spring pins 23, and a braided wire 24. It should be noted that, since the movable contact package 22 is disposed on the movable contact spring 21 in a penetrating manner, the movable contact package 22 forms a contact on both sides of the movable contact spring 21. The moving spring pin 23 is mounted on the base plate 11 and extends from one side of the base plate 11 to the other side of the base plate 11 after passing through the insertion hole 1101 on the base plate 11.
The static spring assembly 30 includes a pair of static spring pins 31 and two static contact bags 32 disposed on each static spring pin 31. The static spring pin 31 is provided to the base plate 11 and passes through at least one of the insertion holes 1101 on the base plate 11 from one side of the base plate 11. The static contact pack 32 and the moving contact pack 22 are disposed at the same level.
The linkage assembly 40 includes a coil assembly 41, an armature 42, a yoke 43, and a tension spring 44. The yoke 43 is bent in an L shape to form a coil fixing portion 431 and an armature fixing portion 432. The armature fixing portion 432 integrally extends from the coil fixing portion 431 and forms a socket end 4321. The armature fixing portion 432 forms a bayonet 43210 at the insertion end 4321. The armature 42 has a pivot end 421 and a swing end 422, and the pivot end 421 of the armature 42 is inserted into the bayonet 43210. A mounting portion 423 is further formed in the middle of the pivoting end 421 of the armature 42 for fixing one end of the tension spring 44. After the movable contact spring 21 is mounted on the armature 42, the movable contact pack 22 on the movable contact spring 21 is relatively fixed near the swinging end 422 so as to be capable of swinging along with the swinging of the swinging end 422 of the armature 42.
The yoke 43 and the movable contact spring 21 are electrically connected to each other through the braided wire 24. It should be noted that, in the present invention, the yoke 43 integrally extends to form the moving spring pin 23.
The coil fixing portion 431 and the armature fixing portion 432 are connected to each other to form a fixed end 4311 at the middle portion thereof for mounting the other end of the tension spring 44. The yoke 43 is fixed to the base plate 11. In this way, the pivoting end 421 of the armature 42 can be continuously subjected to the tension of the tension spring 44, thereby maintaining the armature 42 in balance.
In addition, the coil assembly 41 includes an energizing coil 411, a fixing base 412 and a core 413, wherein the fixing base 412 is fixed to the base plate 11. The holder 412 includes a coil bobbin 4121, a yoke mount 4122 and a component mount 4123. The yoke mounting seat 4122 and the assembly mounting seat 4123 are formed at both ends of the coil bobbin 4121, respectively. The energizing coil 411 is wound around the coil bobbin 4121, wherein the iron core 413 is coaxially disposed on the coil bobbin 4121, and after the energizing coil 411 is inserted, a magnetic attraction end 4131 is formed through the component mounting seat 4123. The coil fixing portion 431 of the yoke 43 is mounted to the yoke mounting seat 4122. The movable spring 21 and the stationary spring pin 31 are respectively fixed to the component mounting seat 4123 of the fixing seat 412.
The swing end 422 of the armature 42 is coupled to the magnetically attractive end 4131 formed by the core 413 of the coil assembly 41. When the energizing coil 411 is energized, the attractive force of the magnetic attraction end 4131 is larger than the tensile force received by the pivot end 421 of the armature 42, so that the swing end 422 of the armature 42 swings.
The movable spring 21 is fixed to the armature 42, and when the energizing coil 411 is not energized, one of the contacts formed on the movable spring 21 on the movable contact pack 22 side is conducted with one of the stationary contact packs 32 on one of the stationary spring pins 31. After the energizing coil 411 is energized, one of the contacts formed on the other side of the movable contact package 22 on the movable contact spring 21 swings along with the attraction of the magnetic attraction end 4131 of the iron core 413, and then is conducted with the stationary contact package 32 on the other stationary spring pin 31.
In this manner, the moving spring assembly 20 is able to form two distinct conductive circuits.
Further, in the present invention, the insertion end 4321 of the armature fixing portion 432 forms a first limiting portion 4322 and a second limiting portion 4323, wherein the first limiting portion 4322 forms the bayonet 43210. The second limiting portion 4323 forms a pivot opening 43230 and the insertion end 4321, wherein the pivot opening 43230 is in communication with the bayonet 43210. It should be noted that the size of the pivoting opening 43230 formed by the second limiting portion 4323 is smaller than the size of the bayonet 43210, so that the pivot end 421 of the armature 42 can be fixed to and engaged with the bayonet 43210. In other words, since the size of the pivoting opening 43230 formed by the second limiting portion 4323 is smaller than the size of the bayonet 43210, a step is formed between the first limiting portion 4322 and the second limiting portion 4323, thereby facilitating the assembly between the armature 42 and the yoke 43.
Further, the second limiting portion 4323 forms a limiting protrusion 43231. After the armature 42 is assembled to the bayonet 43210, the pivot end 421 of the armature 42 is restricted to swing in the bayonet 43210, so that the pivot end 421 of the armature 42 cannot be moved to the pivot opening 43230 by being separated from the bayonet 43210 and resting on the second stopper 4323.
In other words, in the present invention, by providing the stopper projection 43231 at the second stopper 4323, the pivot end 421 of the armature 42 can be stably held in the bayonet 43210. Even when the armature-stable reset relay 100 is mechanically stressed or resonated, the pivot end 421 of the armature 42 is not stranded against the second limiter 4323. In other words, when the energizing coil 411 is switched between the energized state and the de-energized state, the armature 43 can be stably reset, so that the movable contact pack 22 on the movable contact spring 21 on the armature 43 can be stably switched between the state of being in conduction with the stationary contact pack 32 and the other state of being in de-energized with the stationary contact pack 32.
In addition, the limit projection 43231 further provides a rotation supporting point for the armature 42 when the armature 42 swings, that is, when the armature 42 swings, the pivot end 421 of the armature 42 rotates with the position where the tension spring 44 applies the tension to the armature 42 and the position where the limit projection 43231 is located as supporting points, so as to limit the excessive displacement generated when the armature 42 rotates and resonates.
It should be noted that the end of the limiting protrusion 43231 forms a chamfer, preferably, the end of the limiting protrusion 43231 forms a chamfer, so as to prevent the armature 42 from being scratched to generate conductive metal scraps during the swinging process of the armature 42, and further prevent a short circuit caused by the generation of the conductive scraps.
It should be further noted that the limiting protrusion 43231 forms another rounded corner toward the bayonet 43210.
Referring to fig. 5, the stopper projection 43231 is preferably provided at a lower end of the second stopper 4323 forming the pivoting opening 43230, and at this time, the stopper projection 43231 integrally extends from the second stopper 4323 in a direction away from the bottom plate 11. In another embodiment of the present invention, the limiting protrusion 43231 is disposed at an upper end of the second limiting portion 4323 forming the shaft rotating opening 43230, and at this time, the limiting protrusion 43231 is integrally disposed to extend from the second limiting portion 4323 toward the base plate 11, such that the size of the shaft rotating opening 43230 formed by the second limiting portion 4323 is smaller than the size of the bayonet 43210.
Referring to fig. 4, further, a limit bump 50 is disposed on the housing 12, wherein the limit bump 50 is integrally formed by extending from a side opposite to the bottom plate 11 toward the bottom plate 11. When the housing 12 is relatively fixed to the base plate 11, one side of the armature 42 is defined between the limit bump 50 and the component mount 4123.
Particularly, when the limiting protrusion 43231 is disposed on the second limiting portion 4323 forming the lower end of the pivot opening 43230, three portions of the outer side surface of the armature 42 are respectively limited, so that the pivot end 421 of the armature 42 is not easy to slide out of the bayonet 43210, and the armature 42 can be stably reset after swinging.
As will be appreciated by those skilled in the art, since the armature 42 can be stably reset, the movable spring 21 fixed to the armature 42 can be stably switched in a state of being in conduction with one of the static contact packs 32 and in conduction with the other static contact pack 32.
It will be appreciated by persons skilled in the art that the embodiments of the invention described above and shown in the drawings are by way of example only and are not limiting. The objects of the present invention have been fully and effectively achieved. The functional and structural principles of the present invention have been shown and described in the examples and embodiments of the invention may be modified or practiced without departing from the principles described.
Claims (8)
1. A relay with an armature that is stable in reset, wherein the relay with the armature that is stable in reset comprises:
a housing, wherein the housing forms an installation space;
the movable spring assembly is arranged in the installation space, and comprises a movable reed, a movable contact package and a pair of movable spring pins, wherein the movable contact package is arranged on the movable reed, contacts are respectively formed on two sides of the movable reed, and the pin contact package is arranged on the movable spring pins;
a static spring assembly, wherein the static spring assembly is arranged in the installation space, wherein the static spring assembly comprises a pair of static spring pins and a pair of static contact bags, wherein each static spring pin is provided with one static contact bag, and a pair of static spring pins are respectively kept at two sides of the movable spring pin; and
a linkage assembly, wherein the linkage assembly comprises:
a coil assembly, wherein the coil assembly forms a magnetic attraction end;
a yoke, wherein the yoke is mounted to the coil block and forms a fixed end, wherein the yoke is bent into an L shape and forms a coil fixing portion and an armature fixing portion integrally extending from the coil fixing portion and forming a socket end, the armature fixing portion forming a first limit portion and a second limit portion at the yoke near the socket end, wherein the first limit portion forms a bayonet, the second limit portion forms a pivoting opening and the socket end, wherein the pivoting opening communicates with the bayonet, the second limit portion forms a limit protrusion, and the pivoting end of the armature is limited to swing in the bayonet after the armature is assembled to the bayonet;
a tension spring, wherein one end of the tension spring is fixed on the fixed end; and
the armature comprises a pivoting end and a swinging end, wherein the middle part of the pivoting end forms a mounting part, the other end of the tension spring is fixed on the mounting part, the pivoting end of the armature is pivotally inserted into the bayonet of the yoke through the tension spring, the swinging end of the armature is swingably coupled with the magnetic attraction end of the coil assembly, the moving contact bag opposite to the static contact bag on the armature is disconnected from the static contact bag when the coil assembly is not electrified, and the moving contact bag opposite to the static contact bag on the armature is conducted with the static contact bag when the coil assembly is electrified.
2. The armature stable reset relay of claim 1 wherein the coil securing portion of the yoke integrally extends to form a pair of the moving spring prongs, wherein the moving spring assembly includes a braided wire, wherein the braided wire is electrically connected to the moving spring and the yoke.
3. The armature-stable-reset relay according to claim 2, wherein the stopper projection is provided at a lower end of the second stopper portion forming the shaft rotation port.
4. The armature-stable-reset relay according to claim 1, wherein the stopper projection is provided at an upper end of the second stopper portion forming the shaft rotation port.
5. The armature-stable resettable relay according to claim 3 or 4, wherein the stopper projection is provided integrally formed extending from the second stopper portion.
6. The armature-stable reset relay of claim 3 or 4, wherein the limit bump top end forms a rounded corner.
7. The armature-stabilized resettable relay of claim 6, wherein the stop tab forms another rounded corner toward the bayonet side.
8. The armature-stable reset relay of claim 7, wherein the housing includes a base plate and a housing, wherein the housing forms the mounting space, wherein the base plate is mounted to the housing, wherein the housing is provided with a limit tab, wherein the limit tab is integrally formed extending toward the base plate from a side opposite the base plate, and wherein one side of the armature is defined between the limit tab and the component mount when the housing is relatively secured to the base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910571513.0A CN110265267B (en) | 2019-06-25 | 2019-06-25 | Relay with armature capable of stable reset |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910571513.0A CN110265267B (en) | 2019-06-25 | 2019-06-25 | Relay with armature capable of stable reset |
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| Publication Number | Publication Date |
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| CN110265267A CN110265267A (en) | 2019-09-20 |
| CN110265267B true CN110265267B (en) | 2024-03-12 |
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| CN201910571513.0A Active CN110265267B (en) | 2019-06-25 | 2019-06-25 | Relay with armature capable of stable reset |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113078031B (en) * | 2021-04-02 | 2021-12-31 | 浙江安迅电气股份有限公司 | Magnetic latching relay and voltage regulating device thereof |
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| CN105448602A (en) * | 2016-01-12 | 2016-03-30 | 宁波天波港联电子有限公司 | Magnetic latching relay |
| CN106057581A (en) * | 2016-05-25 | 2016-10-26 | 海拉（厦门）汽车电子有限公司 | Micro magnetic latching relay with magnet steel directly connected in series to magnetic circuit |
| CN205789766U (en) * | 2016-06-30 | 2016-12-07 | 浙江正泰汽车科技有限公司 | Automotive relay |
| CN210136828U (en) * | 2019-06-25 | 2020-03-10 | 宁波天波港联电子有限公司 | Relay with armature capable of stably resetting |
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| CN110265267A (en) | 2019-09-20 |
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