CN201522973U - Double-layer three-phase magnetic latching relay - Google Patents
Double-layer three-phase magnetic latching relay Download PDFInfo
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- CN201522973U CN201522973U CN2009202304595U CN200920230459U CN201522973U CN 201522973 U CN201522973 U CN 201522973U CN 2009202304595 U CN2009202304595 U CN 2009202304595U CN 200920230459 U CN200920230459 U CN 200920230459U CN 201522973 U CN201522973 U CN 201522973U
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Abstract
The utility model discloses a double-layer three-phase magnetic latching relay which comprises a magnetic circuit system, a contact system, a transmission part, a plywood and a plastic shell, wherein the plastic shell consists of a base, an upper shell and a lower shell; the injection molding middle of the base is provided with an interlayer to separate the base; the contact system is arranged at one side of the base; and the magnetic circuit system and the plywood are arranged at the other side of the base. The double-layer three-phase magnetic latching relay adopts the design scheme that the magnetic circuit system and the contact system are respectively arranged in an upper layer and a lower layer, the conductive leading-out terminals of the contact system evenly and symmetrically extend out of the plastic shell at the same side to be connected with the connecting terminals of a three-phase smart meter in a one-to-one correspondence way.
Description
Technical field
The utility model belongs to technical field of electronic components.In particular to a kind of three-phase power magnetic force keeping relay.
Background technology
Magnetic latching relay is a kind of under the effect of drive control signal, utilizes the interaction of solenoid and permanent magnet, relative motion to realize the closed and disconnected circuit.The control element that after drive control signal disappears, can still keep the state that is switched on or switched off.Characteristics with energy savings, working stability are widely used in electric system protection device and all kinds of telemechanical, remote control and the communicator.Especially be widely used in the intelligent electric energy meter, as the main element of intelligent electric energy meter.
Magnetic latching relay generally is made up of magnetic circuit system, driving member, contact system and plastic casing.Wherein magnetic circuit system is made up of solenoid, unitary armature assembly, magnetic conduction heel piece, conducting magnet core etc.; Contact system is made up of the helical spring or the flat spring of conducting strip and dynamic and static contact assembly and assurance contact point contact pressure; Utilize driving member connecting terminal assembly and magnetic circuit system, the operating state of magnetic circuit system is passed to contact assembly, realize transmission, interlock.Thereby it is closed or disconnect circuit between the dynamic and static contact assembly.
The patent No. is the utility model of ZL200720149487.5, has announced that a kind of relay leading-out terminal is from the monolateral three-phase magnetic latching relay that stretches out of relay1 case.This kind relay because and connect conveniently between the terminal of three-phase intelligent electric energy meter, and can save the lead that connects usefulness, dwindling installing space can be widely used.
But still have defective on the lead-out mode of this relay: the terminal of three-phase intelligent electric energy meter is about the center line symmetry, distributes uniformly, and its three-phase leading-out terminal of above-mentioned magnetic latching relay be asymmetric, concentrate drawing on one side.The lead that connects usefulness like this between magnetic latching relay and the three-phase multifunctional electrical energy meter is still longer, takes up room, and makes three-phase intelligent ammeter volume big, is not suitable for country or international relevant criterion.
Summary of the invention
The three-phase magnetic latching relay that provides a kind of three-phase intelligent electric energy meter to use is provided the purpose of this utility model, and its leading-out terminal stretches out from relay1 case is monolateral, and the three-phase terminal of the leading-out terminal that stretches out of its three-phase and three-phase intelligent electric energy meter is corresponding one by one.So just can further save the connecting conducting wire between three-phase magnetic latching relay and the three-phase intelligent electric energy meter, reduce the temperature rise of three-phase intelligent electric energy meter, dwindle the volume of three-phase intelligent electric energy meter, satisfy the inside installation requirement of three-phase intelligent electric energy meter standard.
Present design improves the performance of the utility model magnetic latching relay greatly, and production operation is simple, and the utility model also possesses the instantaneous short circuit current ability of tolerance.
For realizing above-mentioned goal of the invention, the utility model adopts following technical scheme:
A kind of double-decker three-phase magnetic latching relay, it comprises magnetic circuit system, contact system, driving member, clamping plate, plastic casing; It is characterized in that: described plastic casing is made up of pedestal and upper and lower two shells; There is an interlayer that it is separated in the middle of the described pedestal injection moulding; Described contact system is assemblied in wherein one side of pedestal; Described magnetic circuit system is assemblied in the other one side of pedestal with clamping plate.
Above-mentioned double-decker three-phase magnetic latching relay, it is further characterized in that:
The pedestal that described upper and lower two shells will be equipped with magnetic circuit system, contact system, driving member, clamping plate closes to be buckled.
Described contact system is made up of dynamic and static conducting strip and dynamic and static contact assembly; Described moving contact assembly is made up of movable contact spring, a plurality of splitter, contact, rivet and pressure shell fragment or the straight spring of spiral; The pressure shell fragment can be strong flaky metallic material of elasticity or the straight spring of spiral, the pressure shell fragment of flaky metallic material directly is riveted on movable contact spring and a plurality of splitters limit is integral, and the straight spring contact of spiral is riveted on the one back in movable contact spring, a plurality of splitter and contact; Described dynamic and static contact assembly is finished dynamic and static contact and is contacted by the driving member transmission that is connected with H type armature component in the magnetic circuit system;
Contact assembly in the described contact system is provided with the loop structure of double-contact or multiconductor parallel connection;
Described fixed contact assembly and moving contact assembly form the Short Circuit withstand current circuit of zig-zag type.
The dynamic and static conducting strip of described contact system stretches out in plastic casing by the same side; The dynamic and static conducting strip that plastic casing is stretched out in described same side is more even, symmetrical distribution, with the corresponding connection of three-phase intelligent electronics connecting terminal block.
Described magnetic circuit system by solenoid, H type armature component, magnetic conduction heel piece, conducting magnet core, form; Described H type armature component comprises the pole piece permanent magnet middle with being positioned at symmetrical pole piece of two symmetries, is encased by engineering plastics to be one, and forms the transmission driving lever by the engineering plastics injection moulding, and the transmission driving lever center of H type armature component is complete symmetrical structure; The upper and lower side of described H type armature component is provided with the fixed rotating shaft for its rotation.
Described clamping plate are rectangular flat, have a plurality of location holes and both sides that angle is arranged, and wherein a plurality of holes are positioned on the yoke of magnetic circuit system, and other has a middle hole to be used for fixing the rotating shaft of H type armature component; The angle on both sides inserts location in the corresponding hole of pedestal.
Described clamping plate are rectangular flat, have a plurality of location holes and both sides that angle is arranged, and wherein a plurality of holes are positioned on the yoke of magnetic circuit system, and other has a middle hole to be used for fixing the rotating shaft of the H type armature component in the magnetic circuit system; The angle on both sides inserts location in the corresponding hole of pedestal.
Described driving member is rectangular flat, and all there is opening on both sides, Yi Bian wherein there are a plurality of openings to be used to snap in the head and the pressure shell fragment of moving contact assembly, snaps in Yi Bian an opening in addition is used for the transmission driving lever of H type armature component; Described driving member also can be designed to have the opening of pressure shell fragment of installation or salient point and be used for the straight spring of setting screw except that the both sides opening is arranged.
Description of drawings
Fig. 1 is the utility model double-decker three-phase magnetic latching relay explosive effect stereogram;
Fig. 2 is the utility model double-decker three-phase magnetic latching relay A layer three-dimensional structure diagram;
Fig. 3 is the utility model double-decker three-phase magnetic latching relay B layer three-dimensional structure diagram;
Fig. 4 is the utility model double-decker three-phase magnetic latching relay contact system three-dimensional structure diagram;
Fig. 5 is the three-dimensional outline drawing of the utility model double-decker three-phase magnetic latching relay.
Embodiment
With embodiment in conjunction with the accompanying drawings the utility model is further described below.
As shown in Figure 1, the pedestal 1 of the utility model double-decker three-phase magnetic latching relay is respectively arranged with A layer and B layer.And be provided with insulating barrier between A layer and B are two-layer, be isolated into relatively independent structure respectively two-layer.
Described pedestal 1, its A layer is provided with a plurality of openings in the K side, for the dynamic and static 6a of assembling three-phase terminal, 7a, 6b, 7b, 6c, 7c.And the dynamic and static terminal 6a of three-phase, 7a, 6b, 7b, 6c, 7c stretch out in the K side and draw.
The three-phase terminal that the dynamic and static terminal 6a of described three-phase, 7a, 6b, 7b, 6c, 7c stretch out in K side extension and three-phase multifunctional electrical energy meter is corresponding one by one.
As Fig. 2 and shown in Figure 1, the contact system of the utility model double-decker three-phase magnetic latching relay comprises the dynamic and static contact assembly 5a of three-phase, 5b and 5c.Pedestal 1 is provided with a plurality of holddown grooves at its A layer, is used to assemble the dynamic and static contact assembly 5a of three-phase, 5b and 5c.
The dynamic and static contact assembly 5a of described three-phase, 5b and 5c adopt on all four setting.With wherein a mutually dynamic and static contact assembly 5a is that example illustrates its structure.
Described dynamic and static contact assembly 5a, adopting in a zigzag, the Short Circuit withstand current circuit is provided with.
Described dynamic and static contact assembly 5a adopts the sheet spring structure.
Described dynamic and static contact assembly 5a, include static terminal 6a, fixed contact 19a, the sub-7a in moved end, moving contact 18a, movable contact spring 20a, a plurality of splitter 21a, 22a and 23a, rivet 25a and 26a, rivet pressing plate 24a and pressure shell fragment (the pressure shell fragment can be strong flaky metallic material of elasticity or the straight spring of spiral) 27a.
Described fixed contact 19a rivets or is welded on the static terminal 6a.
Described movable contact spring 20a, a plurality of splitter 21a, 22a and 23a are by rivet 25a, and 26a, rivet pressing plate 24a are riveted on the sub-7a in moved end.
Described moving contact 18a riveted and fixed is in movable contact spring 20a, a plurality of splitter 21a, and 22a and 23a go up the contact holes that is provided with.And pressure shell fragment 27a is riveted on movable contact spring 20a goes up (the pressure shell fragment also can adopt the straight spring of spiral, and the straight spring of spiral is in direct contact with the movable contact spring back).
As Fig. 3 and shown in Figure 1, pedestal 1 is provided with holddown groove at its B layer, is used to assemble magnetic circuit system 9.
Described magnetic circuit system 9 includes bobbin 16, coil windings, conducting magnet core 12, magnetic conduction heel piece 11a and 11b, armature component 13, driving lead-in wire 4a, 4b, 4c.
Be wound with coil windings on the described bobbin 16.
Be connected with on the described winding and drive lead-in wire 4a, 4b, 4c.
Described conducting magnet core 12 is as a whole with magnetic conduction heel piece 11a and 11b, bobbin riveted and fixed.
Described armature component 13 includes pole piece 14a, 14b and permanent magnet 17, and as a whole by some engineering plastics injection mouldings.
Described armature component 13 is symmetrical H type structure, and by engineering plastics injection mo(u)lding driving lever 15.
Described armature component 13 be supported between magnetic conduction heel piece 11a, the 11b the axle on.
Axle between described magnetic conduction heel piece 11a, the 11b is determined by the axis hole that is provided with on clamping plate 8 and the pedestal 1B layer.
Described driving member is provided with a plurality of openings, and its split shed is respectively applied for the sheet spring free end of assembling dynamic and static contact assembly 5a, 5b, 5c and each corresponding pressure shell fragment 27a, 27b, 27c.Other has opening to be used to assemble the driving lever 15 of armature component 13; Described driving member also can be designed to have the opening of pressure shell fragment (flaky metallic material) of installation or salient point and be used for the straight spring of setting screw except that the both sides opening is arranged.
Fig. 4 is the utility model double-decker three-phase magnetic latching relay contact system three-dimensional structure diagram, static terminal 6a, fixed contact 19a, the sub-7a in moved end, moving contact 18a among the figure, fixed contact 19a rivets or is welded on the static terminal 6a, and movable contact spring 20a, a plurality of splitter 21a, 22a and 23a are riveted on the sub-7a in moved end by rivet 25a, 26a, rivet pressing plate 24a.
As Fig. 5 and shown in Figure 1, dynamic and static contact assembly 5a, 5b, the 5c of the contact system of the utility model double-decker three-phase magnetic latching relay, magnetic circuit system 9 and driving member 10 are assemblied in pedestal 1 and loam cake 2, lower cover 3 fasten in the plastic casing that forms.
The specific embodiment of the utility model double-decker three-phase magnetic latching relay to sum up, has been described.The utility model has been optimized the lead-out mode of three-phase magnetic latching relay, has improved the performance of magnetic latching relay.As long as in line with the utility model basic structure, can derive specific embodiment, for example magnetic circuit system is changed into the suction-type magnetic circuit system; And for example adopt the magnetic circuit system described in a plurality of present embodiments to drive; Change the pressure shell fragment into helical spring etc. for another example.These are by the structural design personnel, can realize by simple transformation, also in description scope of the present utility model.
Claims (8)
1. double-decker three-phase magnetic latching relay, described magnetic circuit system, contact system, driving member, clamping plate, the plastic casing of comprising; It is characterized in that:
Described plastic casing is made up of pedestal and upper and lower two shells; There is an interlayer to separate in the middle of the described pedestal injection moulding;
Described contact system is assemblied in wherein one side of pedestal; Described magnetic circuit system is assemblied in the other one side of pedestal with clamping plate.
2. double-decker three-phase magnetic latching relay according to claim 1 is characterized in that:
The pedestal that described upper and lower two shells will be equipped with magnetic circuit system, contact system, driving member, clamping plate closes to be buckled.
3. double-decker three-phase magnetic latching relay according to claim 1 and 2 is characterized in that:
Described contact system is made up of dynamic and static conducting strip and dynamic and static contact assembly; Described moving contact assembly is made up of movable contact spring, a plurality of splitter, contact, rivet and pressure shell fragment or the straight spring of spiral; The pressure shell fragment can be strong flaky metallic material of elasticity or the straight spring of spiral, the pressure shell fragment of flaky metallic material directly is riveted on movable contact spring and a plurality of splitters limit is integral, and the straight spring contact of spiral is riveted on the one back in movable contact spring, a plurality of splitter and contact; Described dynamic and static contact assembly is finished dynamic and static contact and is contacted by the driving member transmission that is connected with H type armature component in the magnetic circuit system;
Contact assembly in the described contact system is provided with the loop structure of double-contact or multiconductor parallel connection;
Described fixed contact assembly and moving contact assembly form the Short Circuit withstand current circuit of zig-zag type.
4. double-decker three-phase magnetic latching relay according to claim 3 is characterized in that:
The dynamic and static conducting strip of described contact system stretches out in plastic casing by the same side; The dynamic and static conducting strip that plastic casing is stretched out in described same side is more even, symmetrical distribution, with the corresponding connection of three-phase intelligent electronics connecting terminal block.
5. double-decker three-phase magnetic latching relay according to claim 1 and 2 is characterized in that:
Described magnetic circuit system by solenoid, H type armature component, magnetic conduction heel piece, conducting magnet core, form; Described H type armature component comprises the pole piece permanent magnet middle with being positioned at symmetrical pole piece of two symmetries, is encased by engineering plastics to be one, and forms the transmission driving lever by the engineering plastics injection moulding, and the transmission driving lever center of H type armature component is complete symmetrical structure; The upper and lower side of described H type armature component is provided with the fixed rotating shaft for its rotation.
6. double-decker three-phase magnetic latching relay according to claim 5 is characterized in that:
Described clamping plate are rectangular flat, have a plurality of location holes and both sides that angle is arranged, and wherein a plurality of holes are positioned on the yoke of magnetic circuit system, and other has a middle hole to be used for fixing the rotating shaft of H type armature component; The angle on both sides inserts location in the corresponding hole of pedestal.
7. double-decker three-phase magnetic latching relay according to claim 1 is characterized in that:
Described clamping plate are rectangular flat, have a plurality of location holes and both sides that angle is arranged, and wherein a plurality of holes are positioned on the yoke of magnetic circuit system, and other has a middle hole to be used for fixing the rotating shaft of the H type armature component in the magnetic circuit system; The angle on both sides inserts location in the corresponding hole of pedestal.
8. double-decker three-phase magnetic latching relay according to claim 3 is characterized in that:
Described driving member is rectangular flat, and all there is opening on both sides, Yi Bian wherein there are a plurality of openings to be used to snap in the head and the pressure shell fragment of moving contact assembly, snaps in Yi Bian an opening in addition is used for the transmission driving lever of H type armature component; Described driving member also can be designed to have the opening of pressure shell fragment of installation or salient point and be used for the straight spring of setting screw except that the both sides opening is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202304595U CN201522973U (en) | 2009-08-14 | 2009-08-14 | Double-layer three-phase magnetic latching relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202304595U CN201522973U (en) | 2009-08-14 | 2009-08-14 | Double-layer three-phase magnetic latching relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201522973U true CN201522973U (en) | 2010-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202304595U Expired - Fee Related CN201522973U (en) | 2009-08-14 | 2009-08-14 | Double-layer three-phase magnetic latching relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201522973U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106504949A (en) * | 2016-11-25 | 2017-03-15 | 厦门宏发电力电器有限公司 | A kind of magnetic latching relay that can resist short circuit current flow |
| CN108493056A (en) * | 2018-06-06 | 2018-09-04 | 广西睿奕科技开发有限公司 | A kind of bilayer small size two-way magnetic latching relay |
| CN109545623A (en) * | 2018-12-28 | 2019-03-29 | 亚洲龙电气股份有限公司 | A kind of integral type industry control electromagnetic relay |
| US11031202B2 (en) | 2016-11-25 | 2021-06-08 | Xiamen Hongfa Electric Power Controls Co., Ltd. | Magnetic latching relay capable of resisting short-circuit current |
-
2009
- 2009-08-14 CN CN2009202304595U patent/CN201522973U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106504949A (en) * | 2016-11-25 | 2017-03-15 | 厦门宏发电力电器有限公司 | A kind of magnetic latching relay that can resist short circuit current flow |
| US11031202B2 (en) | 2016-11-25 | 2021-06-08 | Xiamen Hongfa Electric Power Controls Co., Ltd. | Magnetic latching relay capable of resisting short-circuit current |
| US11476070B2 (en) | 2016-11-25 | 2022-10-18 | Xiamen Hongfa Electric Power Controls Co., Ltd. | Magnetic latching relay capable of accurately positioning magnetic circuit |
| CN108493056A (en) * | 2018-06-06 | 2018-09-04 | 广西睿奕科技开发有限公司 | A kind of bilayer small size two-way magnetic latching relay |
| CN109545623A (en) * | 2018-12-28 | 2019-03-29 | 亚洲龙电气股份有限公司 | A kind of integral type industry control electromagnetic relay |
| CN109545623B (en) * | 2018-12-28 | 2023-09-08 | 亚洲龙电气股份有限公司 | Integrated industrial electromagnetic relay |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100707 Termination date: 20170814 |
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| CF01 | Termination of patent right due to non-payment of annual fee |