CN201421810Y - External magnetic latching relay - Google Patents
External magnetic latching relay Download PDFInfo
- Publication number
- CN201421810Y CN201421810Y CN2008201233225U CN200820123322U CN201421810Y CN 201421810 Y CN201421810 Y CN 201421810Y CN 2008201233225 U CN2008201233225 U CN 2008201233225U CN 200820123322 U CN200820123322 U CN 200820123322U CN 201421810 Y CN201421810 Y CN 201421810Y
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- CN
- China
- Prior art keywords
- external magnetic
- magnetic latching
- latching relay
- electric energy
- energy meter
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model discloses an external magnetic latching relay, which comprises an electromagnetic system, a contact system, connecting terminals and a shell body, wherein the electromagnetic systemis located inside the shell body, the connecting terminals are distributed on two sides of the shell body, one end is the style which satisfies the requirements of the leading-out end of an electric energy meter, and the other end is the style which satisfies the requirements of the connecting terminals inside the electric energy meter. The electromagnetic system and a contacting system are divided into two layers, are suspended in parallel, or are erected inside the shell body in parallel. The external magnetic latching relay has the characteristics of low temperature rise, reliable action, compact structure and convenient mounting and dismounting. The external magnetic latching relay can be connected with the electric energy meter through a direct inserting mode, and is especially suitable for being applied in pre-payment and remote meter reading type three-phase electric energy meters.
Description
Technical field
The utility model relates to a kind of magnetic latching relay, relates in particular to the external mounting means of a kind of employing, the leading-out terminal of electric energy meter can be connected as a whole external magnetic latching relay with relay, belongs to the low voltage electrical apparatus technology field.
Background technology
Along with improving constantly of development and national economy and living standards of the people, the household electrical appliance that use in each family roll up, and employed distribution control element, appliance controling element require to switch bigger power.Therefore, work control element one magnetic latching relay of electric energy meter is towards powerful trend development, and power magnetic force keeping relay obtains using more widely.
At Chinese utility model patent ZL 200720002390.1 (Granted publication number: CN201063318Y, Granted publication day: on May 21st, 2008), disclose a kind of magnetic and kept external relay.This magnetic keeps external relay to be made up of electromagnetic system, contact system, leading-out terminal, housing; Wherein electromagnetic system and contact system are positioned at the inside of housing; Leading-out terminal is distributed in the both sides of housing, and an end is to meet the pattern that the exit of electric energy meter requires, and the other end is to meet the pattern that the splicing ear of electric energy meter inside requires.The distinguishing feature of this relay is the contact system of the leading-out terminal of electric energy meter and relay is connected as one, the leading-out terminal of realizing relay and electric energy meter is integrated, thereby significantly reduced relay temperature rise, saved resource and cost, especially adapt to existing electric energy meter to technological trend high-power, the high reliability development.
At present, for the performance that improves electric energy meter, the needs that satisfy the high-power applications occasion, electric energy meter becomes the trend of its development with the exteriorization of magnetic latching relay.For external magnetic latching relay, require the interface of itself and electric energy meter solid and reliable, also will be convenient to dismounting simultaneously and change, and above-mentioned magnetic keeps external relay still to have certain deficiency in this respect, also needs further to be improved.
Summary of the invention
The purpose of this utility model is to provide a kind of novel external magnetic latching relay.This magnetic latching relay adopts external mounting means, can be connected the leading-out terminal of electric energy meter as a whole with relay.
For realizing above-mentioned purpose, the utility model adopts following technical scheme:
A kind of external magnetic latching relay, form by electromagnetic system, contact system, binding post, housing, wherein electromagnetic system and contact system are positioned at the inside of described housing, described binding post is distributed in the both sides of housing, one end is to meet the pattern that the exit of electric energy meter requires, the other end is to meet the pattern that the splicing ear of electric energy meter inside requires, and it is characterized in that:
Described electromagnetic system and contact system divide two-layer, and be parallel overlapping or exist side by side and be positioned at enclosure interior.
Described contact system adopts reed-type single contact form.
Described binding post is fixed in the housing and contact system is assemblied in same aspect.
Described electromagnetic system has a coil block at least.
Wherein, described coil block comprises two yokes, an iron core, a coil, an I-shaped armature component.
Wherein, described I-shaped armature component comprises two parallel pole pieces, a permanent magnet, is injected into one by engineering plastic.
Wherein, described I-shaped armature component has the driving lever perpendicular to pole piece, and described driving lever is by the engineering plastic injection molded.
Described electromagnetic system is connected by pushing piece with contact system.Described electromagnetic system is by the driving lever of pushing piece by armature component, and the operate condition of armature component is passed to contact system.
External magnetic latching relay provided by the utility model has that temperature rise is low, the characteristics of reliable in action, compact conformation, easy installation and removal, can be connected with electric energy meter by the mode of directly pegging graft, especially be fit to be applied in pre-payment, the remote meter reading formula three-phase electric energy meter.
Description of drawings
Below be with embodiment the utility model to be further described in conjunction with the accompanying drawings.
Fig. 1 is the three-dimensional outline drawing of this external magnetic latching relay;
Fig. 2 is the internal structure schematic diagram after this external magnetic latching relay is opened lower cover;
Fig. 3 is the internal structure schematic diagram after this external magnetic latching relay is opened loam cake;
Fig. 4 is the internal structure decomposing schematic representation of this external magnetic latching relay;
Fig. 5 is the structural representation of coil block;
Fig. 6 is the wherein schematic diagram of a phase of contact system;
Fig. 7 is the schematic perspective view of another embodiment of this external magnetic latching relay;
Fig. 8 is a decomposing schematic representation embodiment illustrated in fig. 7;
Fig. 9 is that the A of Fig. 8 is to interior views.
Embodiment
Fig. 1 is the three-dimensional outline drawing of external magnetic latching relay described in the utility model.Wherein, the terminal board of A end for being connected with electric energy meter user exit, this terminal board has adopted the pattern that meets the requirement of electric energy meter user exit.B holds to inserting the terminals (being splicing ear) of electric energy meter inside, and these terminals have adopted and met the pattern that the electric energy meter internal structure requires, can realize direct grafting.The C end is a ledge arrangement that is provided with reinforcement.The effect of this ledge arrangement is to realize being connected and fixed of this external magnetic latching relay and electric energy meter shell.Also have one at the offside (not shown) of C end and hold similar ledge arrangement, so that realize external magnetic latching relay installing and fixing on electric energy meter with C.
Fig. 2 and Fig. 3 are respectively the internal structure schematic diagram after this external magnetic latching relay is opened lower cover 1 and loam cake 7, and Fig. 4 has then shown the decomposing state of above-mentioned internal structure.In this external magnetic latching relay, shell 4 is by the engineering plastic injection molded.As shown in Figure 4, there is dividing plate shell 4 inside, and this dividing plate is separated into independently two aspects with enclosure.One of them aspect is used to assemble electromagnetic system, comprises two coil blocks 2; The another one aspect is used to assemble the combination of contact system and binding post, comprises three moving plate assemblies 6, three 10, five binding posts 5 of still assembly.By dividing plate, electromagnetic system has been realized two-layer parallel overlapping assembly relation with contact system, thereby makes the compact conformation, easy to assembly of relay.The dividing plate of shell 4 inside also can independent injection molded, assembles then, is fixed in the shell 4, can play that so still shell 4 is divided into the independently effect of two aspects.There is the plastic cement wall shell 4 inside, are used to assemble, fix, also isolate mutually above-mentioned electromagnetic system and contact system, binding post combination.
Fig. 5 is in the electromagnetic system of this external magnetic latching relay, the schematic diagram of coil block 2.This coil block 2 is made up of coil 11, two yokes 12, I-shaped armature components 14.Coil 11 comprises bobbin and winding, and winding is arranged on the bobbin by hole 15.Armature component 14 comprises two pole pieces 13 and permanent magnet.The driving lever of armature component 14 is perpendicular to two pole pieces 13.The electromagnetic system of this external magnetic latching relay is made up of two coil blocks 2, can guarantee enough confining forces and electromagnetic force, thereby makes stable performance, the reliable operation of relay.
Fig. 6 is the wherein schematic diagram of a phase of contact system in the external magnetic latching relay, and the structure of all the other two-phases also is similar.This contact system adopts reed-type single contact form, comprises moving plate assembly 6 and still assembly 10.Wherein moving plate assembly 6 comprises conducting strip 16, several splitters 17, movable contact spring 18, moving contact 19; Still assembly 10 comprises still 21, fixed contact 20.Splitter 17 and movable contact spring 18 are riveted on the conducting strip 16, and moving contact 19 is riveted on splitter 17 and the movable contact spring 18, and fixed contact 20 is riveted on the still 21.Be provided with the compression spring 9 that produces contact pressure at moving contact 19 and fixed contact 20 position contacting.
This external magnetic latching relay is when work, and the three-phase of contact system is one, synchronization action by last pushing piece 8 series connection.Last pushing piece 8 moves in the track that shell 4 inwalls set.The rigging position alignment of last pushing piece 8 and following pushing piece 3 will be gone up pushing piece 8 and following pushing piece 3 and will be connected together.Armature component 14 in the coil system, its driving lever are stuck in the opening part of the following pushing piece 3 that sets aperture position.Following pushing piece 3 links two armature components 14 in one, also moves in the track that shell 4 inwalls set.Like this, can the operate condition of armature component 14 finally be passed to three moving plate assemblies 6, realize interlock by descending pushing piece 3.
Fig. 7 has shown the another one embodiment of this external magnetic latching relay.Figure 8 shows that the decomposing schematic representation of this embodiment, wherein 22 be that upper shell, 23 is for lower house.Fig. 9 is that the A of Fig. 8 is to interior views.In this embodiment, electromagnetic system and contact system still are divided into two-layer, but both are and stand in enclosure interior.
Need to prove that electromagnetic system and contact system are not defined as the form in the foregoing description in this external magnetic latching relay.For example to be not limited to be two to the coil block in the electromagnetic system, and can increase according to actual needs or reduce; Coil block also is not limited to the form that has I-shaped armature shown in the accompanying drawing, and can adopt the structure (specifically can be, the patent No. is ZL 200720002391.6) of suction-type referring to the utility model patent " the suction-type field structure that is used for relay " of the applicant in first to file.In addition, contact system also can adopt the structure of bridge-type double break point.
In the above-described embodiment, the relay of being introduced is for being fit to the external magnetic latching relay of three-phase electric energy meter.But this external magnetic latching relay is not limited to three-phase, and its contact system and leading-out terminal are made an amendment slightly, can change single-phase magnetic latching relay at an easy rate into.This modification is the work that those of ordinary skills can both be competent at, and has not just given unnecessary details in detail at this.
More than external magnetic latching relay described in the utility model is had been described in detail.For the those skilled in the art in present technique field, the various conspicuous change of under the situation of spirit that does not deviate from technical scheme described in the utility model and claim scope it being carried out is all within protection range of the present utility model.
Claims (8)
1. external magnetic latching relay, form by electromagnetic system, contact system, binding post, housing, wherein electromagnetic system and contact system are positioned at the inside of described housing, described binding post is distributed in the both sides of housing, one end is to meet the pattern that the exit of electric energy meter requires, the other end is to meet the pattern that the splicing ear of electric energy meter inside requires, and it is characterized in that:
Described electromagnetic system and contact system divide two-layer, and be parallel overlapping or exist side by side and be positioned at enclosure interior.
2. external magnetic latching relay as claimed in claim 1 is characterized in that:
Described contact system adopts reed-type single contact form.
3. external magnetic latching relay as claimed in claim 1 is characterized in that:
Described binding post is fixed in the housing and contact system is assemblied in same aspect.
4. external magnetic latching relay as claimed in claim 1 is characterized in that:
Described electromagnetic system has a coil block at least.
5. external magnetic latching relay as claimed in claim 4 is characterized in that:
Described coil block comprises two yokes, an iron core, a coil, an I-shaped armature component.
6. external magnetic latching relay as claimed in claim 5 is characterized in that:
Described I-shaped armature component comprises two parallel pole pieces, a permanent magnet, is injected into one by engineering plastic.
7. external magnetic latching relay as claimed in claim 6 is characterized in that:
Described I-shaped armature component has the driving lever perpendicular to pole piece, and described driving lever is by the engineering plastic injection molded.
8. external magnetic latching relay as claimed in claim 1 is characterized in that:
Described electromagnetic system is by the driving lever of pushing piece by armature component, and the operate condition of armature component is passed to contact system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008201233225U CN201421810Y (en) | 2008-10-28 | 2008-10-28 | External magnetic latching relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008201233225U CN201421810Y (en) | 2008-10-28 | 2008-10-28 | External magnetic latching relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201421810Y true CN201421810Y (en) | 2010-03-10 |
Family
ID=41808471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008201233225U Expired - Lifetime CN201421810Y (en) | 2008-10-28 | 2008-10-28 | External magnetic latching relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201421810Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2008
- 2008-10-28 CN CN2008201233225U patent/CN201421810Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 | ||
| ASS | Succession or assignment of patent right |
Owner name: LEQING LIHUI ELECTRICAL APPLIANCE CO., LTD. Free format text: FORMER OWNER: ZHEJIANG PRESTIGE ELECTRONIC CO., LTD. Effective date: 20120409 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 325608 WENZHOU, ZHEJIANG PROVINCE TO: 325609 WENZHOU, ZHEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20120409 Address after: 325609, Yueqing, Zhejiang, Yueqing Po Chi Special Industrial Park (FAI science and technology inside) Patentee after: Yueqing Lihui Electrical Appliance Co., Ltd. Address before: 325608 Tiancheng Industrial Zone, Zhejiang, Yueqing Patentee before: Zhejiang Prestige Electronic Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100310 |