CN218676954U - Magnetic latching relay structure suitable for installation of three-phase guide rail meter - Google Patents
Magnetic latching relay structure suitable for installation of three-phase guide rail meter Download PDFInfo
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- CN218676954U CN218676954U CN202223200052.2U CN202223200052U CN218676954U CN 218676954 U CN218676954 U CN 218676954U CN 202223200052 U CN202223200052 U CN 202223200052U CN 218676954 U CN218676954 U CN 218676954U
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Abstract
The utility model provides a magnetic latching relay structure suitable for installation of three-phase guide rail table, include: the shell comprises a base and an upper cover, wherein a magnetic circuit component mounting area and a contact component mounting area are arranged in the base; the three groups of reed assemblies are arranged in the base and are used for conducting contact or breaking actions; the magnetic circuit assembly is arranged in the base and used for driving the push sheet based on the current control signal so as to control the three groups of contact assemblies to be in synchronous contact conduction or disconnection; the magnetic circuit assembly and the contact assemblies are positioned on the same flat layer in the base, and the magnetic circuit assembly is positioned between two groups of the contact assemblies. The utility model discloses a magnetic latching relay structure is applicable to the installation of three-phase guide rail table, has the advantage that the design layout is compact, simple to operate, good reliability.
Description
Technical Field
The utility model relates to a magnetic latching relay technical field, concretely relates to magnetic latching relay structure suitable for installation of three-phase guide rail table.
Background
The magnetic latching relay is a new type relay developed in recent years, and is also an automatic switch, and like other electromagnetic relays, the magnetic latching relay has the function of automatically switching on and off a circuit. The magnetic latching relay has the advantages that the normally closed state or the normally open state of the magnetic latching relay completely depends on the action of permanent magnetic steel, and the switching state of the magnetic latching relay is triggered by pulse electric signals with certain width to complete the switching.
As shown in fig. 1, the conventional three-phase track meter is assembled by three old individual relays, and three relays 52, 53 and 54 are arranged side by side and driven by a magnetic circuit assembly 51 installed in a housing 50. Adopt this structure installation troublesome to in disjunction closed process easily because three relay action is asynchronous, the problem of the operation of lack of phase appears.
In addition, chinese utility model patent CN 201503823U discloses a bilayer structure three-phase modular magnetic latching relay. The scheme designs the three-phase magnetic latching relay, the three-phase electric energy meter terminal base, the electric energy meter auxiliary wiring terminal and the current sampling component into a whole. The utility model discloses a modularization of three-phase electric energy meter components and parts has been realized for product property can be reliable, simple structure, simple to operate. However, this scheme adopts bilayer structure for the overall structure of relay is great thick, is unfavorable for the miniaturized design of ammeter, also is difficult to carry out the cloth board design simultaneously.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a design layout is compact, simple to operate, good reliability and be applicable to the magnetic latching relay structure of three-phase guide rail table installation.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a magnetic latching relay structure adapted for three-phase rail meter installation, comprising:
the shell comprises a base and an upper cover, wherein a magnetic circuit component mounting area and a contact component mounting area are arranged in the base;
the three groups of reed assemblies are arranged in the base and are used for conducting contact or breaking actions;
the magnetic circuit assembly is arranged in the base and used for driving the push sheet based on the current control signal so as to control the three groups of contact assemblies to be in synchronous contact conduction or disconnection;
the magnetic circuit assembly and the contact assemblies are positioned on the same flat layer in the base, and the magnetic circuit assembly is positioned between two groups of the contact assemblies.
In some embodiments, the magnetic circuit assembly comprises a coil yoke assembly, a magnetic steel assembly, a positioning plate and a push plate, wherein the coil yoke assembly comprises a coil mounted on a coil frame and a pair of yokes matched with the coil; the magnetic steel assembly comprises a magnetic steel body arranged between the positioning plate and the base through an installation shaft, two ends of the magnetic steel body are provided with double-headed magnets matched with the tail ends of the yokes, and one side of the magnetic steel body is provided with a shifting lever extending outwards.
In some embodiments, the contact assembly comprises a movable spring assembly and a fixed spring assembly, the fixed spring assembly comprises a fixed connecting sheet arranged on the base and a fixed contact arranged on the fixed connecting sheet, the movable spring assembly comprises a movable connecting sheet arranged on the base and a splitter assembly with one end riveted with the movable connecting sheet, and one side of the splitter assembly, which faces the fixed connecting sheet close to the splitter assembly, is provided with a movable contact matched with the fixed contact; the tail end of the splitter component extends out of a cantilever end and a spring plate which are matched with the push piece.
In some embodiments, the splitter plate subassembly includes movable reed, little splitter plate and the big splitter plate that coincide in proper order set up, all be equipped with the arc bellying on movable reed, little splitter plate and the big splitter plate just the radius of arc bellying increases in proper order.
In some embodiments, the pushing sheet is movably arranged at the bottom end of the base and comprises a strip-shaped body, and an engaging part and three clamping groove parts which are arranged on the strip-shaped body, wherein the engaging part is provided with a shifting hole matched with a shifting rod on the magnetic steel assembly, and the shifting rod penetrates through the shifting hole; the clamping groove part is formed by a front convex block and a rear convex block which are opposite, the cantilever end of the flow dividing plate assembly is arranged in the clamping groove, and the elastic sheet is abutted to the rear wall of the rear convex block.
Furthermore, the end parts of the opposite sides of the front and rear lugs are provided with inclined chamfers.
In some embodiments, a contact detection assembly is further disposed in the base, and the contact detection assembly is disposed between the other two sets of contact assemblies.
In some embodiments, the contact detection assembly comprises a micro switch for detecting the state of the contact, the micro switch is provided with a linkage pressing sheet connected with the push sheet, and the linkage pressing sheet is abutted with a contact of the micro switch.
The utility model has the advantages that:
the utility model discloses a magnetic latching relay structure adopts the integrated design, through three group's contacts of same magnetic force system drive, accomplishes the synchronous switch-over, has solved current three-phase guide rail table relay and has leaded to the problem of default phase operation because the inefficacy of a relay easily, and the operation is reliable, the fault rate is low. Meanwhile, the design layout is compact, the thickness of the relay is effectively reduced, and the installation is more convenient.
Drawings
Fig. 1 is a schematic structural view of a conventional magnetic latching relay.
Fig. 2 is a schematic structural diagram of a magnetic latching relay according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of a back structure of a magnetic latching relay according to an embodiment of the present invention.
Fig. 4 is the schematic diagram of the magnetic latching relay structure according to the embodiment of the present invention after the positioning plate is removed.
Fig. 5 is a schematic view of the structure and installation of the magnetic circuit assembly and the spring assembly in the magnetic latching relay structure according to the embodiment of the present invention.
Detailed Description
For further understanding of the present invention, preferred embodiments of the present invention will be described below with reference to examples, but it should be understood that these descriptions are only for the purpose of further illustrating the features and advantages of the present invention, and are not intended to limit the claims of the present invention.
Referring to fig. 2-5, the embodiment of the present invention provides a magnetic latching relay structure suitable for three-phase guide rail meter installation, which includes a housing 1 having a base and an upper cover (not shown in the figure), and a magnetic circuit component installation region and a contact component installation region are provided in the base.
Three groups of spring assemblies 21, 22 and 23 are mounted in the contact assembly mounting area, and the spring assemblies are connected with a three-phase circuit through connecting sheets extending out of the shell and used for conducting contact conduction or breaking actions. And the magnetic circuit component 3 is arranged in the magnetic circuit component mounting area and used for driving the push sheet based on the current control signal so as to control the synchronous contact conduction or disconnection of the three groups of contact components. Wherein, the magnetic circuit component 3 and the contact components 21, 22, 23 are located on the same flat layer in the base 1, and the magnetic circuit component 3 is located between two sets of the contact components 21, 22.
Referring to fig. 2, 4 and 5, the magnetic circuit assembly 3 includes a coil yoke assembly, a magnetic steel assembly, a positioning plate 31 and a push plate 34. Wherein, the coil yoke assembly comprises a coil 32 mounted on the coil frame, and a pair of yokes 35 adapted to the coil 32; the magnetic steel assembly comprises a magnetic steel body 33 installed between the positioning plate 31 and the shell base through an installation shaft, double-headed magnets matched with the tail ends of the yokes are arranged at two ends of the magnetic steel body 33, and a shifting rod 331 extending outwards is arranged on one side of the magnetic steel body.
Each set of contact assemblies comprises a movable spring assembly and a static spring assembly. Referring to fig. 2 and 5, the static spring assembly includes a static connecting plate 210 mounted on the base and a static contact 211 provided on the static connecting plate; the movable spring assembly includes a movable connecting plate 212 mounted on the base and a shunt plate assembly 213 having one end riveted to the movable connecting plate. The side of the shunt member 213 facing the static connection plate adjacent thereto is provided with a moving contact 214 which mates with the static contact 211. The end of the splitter component extends to form a cantilever end 215 and a spring piece 216 which are matched with the push piece.
In this embodiment, the splitter plate subassembly is including the movable reed, little splitter plate and the big splitter plate that coincide in proper order set up, all is equipped with arc bellying and the radius of this arc bellying increases in proper order on movable reed, little splitter plate and the big splitter plate.
Referring to fig. 5, the pushing piece 34 is movably disposed at the bottom end of the base, and includes a bar-shaped body, and a connecting portion 341 and three slot portions disposed on the bar-shaped body. The engaging portion 341 has a hole adapted to the driving rod 331 of the magnetic steel assembly, and the driving rod 331 penetrates the hole during assembly, so that the movable pushing piece 34 can move left and right. The slot portion is formed by a front protrusion 342 and a rear protrusion 343, which are opposite to each other, and the cantilever end 215 of the splitter assembly is mounted in the slot when the splitter assembly is assembled, and the resilient tab 216 abuts against the rear wall of the rear protrusion 343. For the convenience of assembly, the opposite side ends of the front projection 342 and the rear projection 343 are provided with an inclined chamfer.
As a further preferred embodiment, in this embodiment, a contact detection assembly is further disposed in the base, and is disposed between the other two sets of contact assemblies 22 and 23, and is used for detecting the open/close state of the contact assemblies.
Specifically, referring to fig. 2 and 5, in the present embodiment, the contact detection assembly includes a micro switch 41 for detecting the contact state, and a linkage pressing piece 42 connected to the micro switch 41, the linkage pressing piece 42 abuts against a contact of the micro switch 41, and the other end is connected to the pushing piece 34.
Therefore, when the push plate 34 moves left and right under the action of the magnetic circuit assembly, the moving spring assembly in the three sets of contact assemblies can be driven to synchronously act, so that the moving contact 214 is in contact with or separated from the fixed contact 211, and the three-phase circuit is switched on or switched off; meanwhile, the linkage pressing sheet 4 acts on the contact of the microswitch 41 synchronously, and then a detection signal is transmitted out through the microswitch 41.
The above description of the embodiments is only intended to help understand the method of the present invention and its core ideas. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (8)
1. A magnetic latching relay structure suitable for installation of a three-phase guide rail meter, comprising:
the shell comprises a base and an upper cover, wherein a magnetic circuit component mounting area and a contact component mounting area are arranged in the base;
the three groups of reed assemblies are arranged in the base and are used for conducting contact or breaking actions;
the magnetic circuit assembly is arranged in the base and used for driving the push sheet based on the current control signal so as to control the three groups of contact assemblies to be in synchronous contact conduction or disconnection;
the magnetic circuit assembly and the contact assemblies are positioned on the same flat layer in the base, and the magnetic circuit assembly is positioned between two groups of the contact assemblies.
2. The magnetic latching relay structure adapted for three-phase rail surface mounting of claim 1, wherein said magnetic circuit assembly comprises a coil yoke assembly, a magnetic steel assembly, a positioning plate and a push plate, said coil yoke assembly comprising a coil mounted on a coil frame, and a pair of yokes fitted with the coil; the magnetic steel assembly comprises a magnetic steel body arranged between the positioning plate and the base through an installation shaft, two ends of the magnetic steel body are provided with double-headed magnets matched with the tail ends of the yokes, and one side of the magnetic steel body is provided with a shifting lever extending outwards.
3. The magnetic latching relay structure suitable for installation of a three-phase guide rail meter as claimed in claim 2, wherein the contact assembly comprises a movable spring assembly and a static spring assembly, the static spring assembly comprises a static connecting sheet installed on the base and a static contact arranged on the static connecting sheet, the movable spring assembly comprises a movable connecting sheet installed on the base and a splitter sheet assembly with one end riveted with the movable connecting sheet, and one side of the splitter sheet assembly facing the static connecting sheet close to the splitter sheet assembly is provided with a movable contact adapted to the static contact; the tail end of the splitter component extends out of a cantilever end and a spring plate which are matched with the push piece.
4. The magnetic latching relay structure suitable for installation of a three-phase guide rail meter according to claim 3, wherein the splitter vane assembly comprises a movable spring plate, a small splitter vane and a large splitter vane which are sequentially overlapped, arc-shaped protruding parts are arranged on the movable spring plate, the small splitter vane and the large splitter vane, and the radius of the arc-shaped protruding parts is sequentially increased.
5. The magnetic latching relay structure suitable for installation of a three-phase guide rail meter as claimed in claim 3, wherein the push plate is movably arranged at the bottom end of the base and comprises a bar-shaped body, and an engaging part and three clamping groove parts which are arranged on the bar-shaped body, the engaging part is provided with a poking hole matched with a poking rod on the magnetic steel assembly, and the poking rod penetrates into the poking hole; the clamping groove part is formed by a front convex block and a rear convex block which are opposite, the cantilever end of the flow dividing plate assembly is arranged in the clamping groove, and the elastic sheet is abutted to the rear wall of the rear convex block.
6. The magnetic latching relay structure adapted for three-phase rail watch mounting of claim 5, wherein said front and rear projections are provided with an inclined chamfer at opposite side ends.
7. A magnetic latching relay structure suitable for installation of a three-phase guideway meter according to any of claims 1-6, characterized in that a contact detection assembly is further provided in the base, and the contact detection assembly is provided between the other two sets of contact assemblies.
8. The magnetic latching relay structure suitable for installation of a three-phase guide rail meter as claimed in claim 7, wherein the contact detection assembly comprises a micro switch for detecting the state of the contact, the micro switch is provided with a linkage pressing piece connected with the pushing piece, and the linkage pressing piece is abutted with a contact of the micro switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223200052.2U CN218676954U (en) | 2022-11-30 | 2022-11-30 | Magnetic latching relay structure suitable for installation of three-phase guide rail meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223200052.2U CN218676954U (en) | 2022-11-30 | 2022-11-30 | Magnetic latching relay structure suitable for installation of three-phase guide rail meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218676954U true CN218676954U (en) | 2023-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223200052.2U Active CN218676954U (en) | 2022-11-30 | 2022-11-30 | Magnetic latching relay structure suitable for installation of three-phase guide rail meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218676954U (en) |
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2022
- 2022-11-30 CN CN202223200052.2U patent/CN218676954U/en active Active
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