CN201054338Y - Mutual-induction three-phase magnetic keeping relay - Google Patents
Mutual-induction three-phase magnetic keeping relay Download PDFInfo
- Publication number
- CN201054338Y CN201054338Y CNU2007200342659U CN200720034265U CN201054338Y CN 201054338 Y CN201054338 Y CN 201054338Y CN U2007200342659 U CNU2007200342659 U CN U2007200342659U CN 200720034265 U CN200720034265 U CN 200720034265U CN 201054338 Y CN201054338 Y CN 201054338Y
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- CN
- China
- Prior art keywords
- relay
- electric energy
- energy meter
- utility
- model
- Prior art date
- 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 - Fee Related
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Abstract
The utility model relates to a mutual inductance type three-phase magnetic holding relay which is convenient for the assemble of an electric energy meter manufacturer and the integrative design of a mutual inductor and a relay. The utility model comprises a bottom casing, a static contact component, a moving contact component, a magnetic holding mechanism, an upper cover, and also a mutual inductor sleeved on the conductive bar of the relay. The utility model reduces the connection frequency among the connecting terminal of an electric energy meter, the primary circuit terminal of the mutual inductor and the primary circuit terminal of the relay, and shortens the length of a connecting line, therefore the valuable space of the electric energy meter occupied by the original mutual inductor and the relay is decreased, the copper loss is greatly saved, the voltage drop between the input and the output terminals in the primary circuit terminal of the electric energy meter is reduced, the heating effect of the electric energy meter is reduced, and the reliability of the electric energy meter is improved. The utility model transfers force and changes the transfer direction according to the principle of a pinion and a rack, and improves the efficiency of the magnetic holding mechanism. A drop pit and a fixing hole of the relay improve the shock resistant capability of the relay.
Description
Technical field
The utility model relates to a kind of relay, relates in particular to a kind of mutual inductance type three-phase magnetic latching relay.
Background technology
The method of attachment of three-phase electric energy meter repeat circuit, instrument transformer at present is: be connected with screw between the binding post of electric energy meter and instrument transformer binding post, be connected with screw again between instrument transformer and the relay, be connected with screw again between relay output end and the electric energy meter output.Too much screw connected when both having increased the assembler, and the contact resistance between transition joint causes heating easily simultaneously, and very long lead-in wire has increased the caloric value in the ammeter.Relay factory considers from user's angle, and the fixing not firm problem of failing to assist complete system plant to solve and may occur in vibration, the shock test is failed the unified the problems referred to above of considering in the design process of relay, make complete system plant be difficult to resolve certainly the problems referred to above.
Summary of the invention
In order to overcome the above-mentioned deficiency of commercially available three phase relaies at present, the utility model provides a kind of mutual inductance type three-phase magnetic latching relay.
The technical scheme that its technical problem that solves the utility model adopts is:
Mutual inductance type three-phase magnetic latching relay comprises drain pan, fixed contact assembly, moving contact assembly, magnetic maintenance mechanism, loam cake, and it also is provided with the instrument transformer on the bus that is socketed in relay.
Be attached thereto gear that connects and the connecting rod of being with pinion rack other also being provided with of magnetic maintenance mechanism.
On described drain pan, be provided with a plurality of pits, be provided with fixing threaded hole at described drain pan middle part.
The utility model had both been considered to reserve pit in the bottom of relay, can match with the boss of electric energy meter bottom, also considered to be provided with fixing hole at the middle part of relay, was convenient to further be screwed with electric energy meter, guaranteed reliable assembling.
The beneficial effect of utility model is the integrated cost that reduced relay and electric energy meter, has reduced the pressure drop on the primary circuit in the electric energy meter, has reduced the electric energy meter internal calorific power, has fixed relay easily, has improved the reliability of the actuating of relay and the reliability of electric energy meter complete machine.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the relay position schematic diagram of prior art.
Fig. 2 is a position view of the present utility model.
Fig. 3 is a structural representation of the present utility model.
Fig. 4 is an end view of the present utility model.
Fig. 5 is the utility model drain pan structural representation.
Embodiment
This relay 11 is a kind ofly to be made of drain pan 1, instrument transformer 2, fixed contact assembly 3, moving contact assembly 4, connecting rod rack 5, gear 6, magnetic maintenance mechanism 7, loam cake 8, pit 9 and center fixed screw 10.Instrument transformer 2 is socketed on the bus of relay 11, with the primary circuit bus of relay 11 primary circuit as instrument transformer 2.Drain pan 1, loam cake 8 are made by the compound of fire-retardant polycarbonate (PC), flame-proof ABS plastics and glass fibre, have good flame-retarding characteristic and heat-resisting quantity.Gear 6 and connecting rod rack 5 are made by polyformaldehyde.Moving component in the magnetic maintenance mechanism moves up and down, and the side-to-side movement of the rotating band carry-over bar by gear 6 is drawn back moving contact or closed.There are several pits 9 and fixing threaded hole 10 to supply to have increased anti-vibration, the impact resistance of relay and electric energy meter 12 on the drain pan with electric energy meter 12 fit applications.Magnetic maintenance mechanism 7 is made up of coil, magnetic circuit and permanent magnet, and magnetic maintenance mechanism 7 assemblies utilize the positioning element of himself directly to insert the inboard pit of drain pan 1 and loam cake 8 and are able to accurate location.
Claims (3)
1. mutual inductance type three-phase magnetic latching relay comprises drain pan, fixed contact assembly, moving contact assembly, magnetic maintenance mechanism, loam cake, and it is characterized in that: it also is provided with the instrument transformer on the bus that is socketed in relay.
2. mutual inductance type three-phase magnetic latching relay according to claim 1 is characterized in that: be attached thereto gear that connects and the connecting rod of being with pinion rack other also being provided with of magnetic maintenance mechanism.
3. mutual inductance type three-phase latching relay according to claim 1 is characterized in that: be provided with a plurality of pits on described drain pan, be provided with fixing threaded hole at described drain pan middle part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200342659U CN201054338Y (en) | 2007-02-05 | 2007-02-05 | Mutual-induction three-phase magnetic keeping relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200342659U CN201054338Y (en) | 2007-02-05 | 2007-02-05 | Mutual-induction three-phase magnetic keeping relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201054338Y true CN201054338Y (en) | 2008-04-30 |
Family
ID=39393998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200342659U Expired - Fee Related CN201054338Y (en) | 2007-02-05 | 2007-02-05 | Mutual-induction three-phase magnetic keeping relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201054338Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102141579A (en) * | 2010-01-29 | 2011-08-03 | 胡国祥 | Multifunctional combined terminal of intelligent electric energy meter |
| CN101593637B (en) * | 2008-05-27 | 2012-05-30 | 松下电器产业株式会社 | Remote control relay |
-
2007
- 2007-02-05 CN CNU2007200342659U patent/CN201054338Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101593637B (en) * | 2008-05-27 | 2012-05-30 | 松下电器产业株式会社 | Remote control relay |
| CN102141579A (en) * | 2010-01-29 | 2011-08-03 | 胡国祥 | Multifunctional combined terminal of intelligent electric energy meter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 226200 No. two, No. 262, weft Road, Qidong Development Zone, Jiangsu, China Co-patentee after: Nantong Gleefit Electric Co., Ltd. Patentee after: Nantong Hele Electrical Products Equipment Co., Ltd. Co-patentee after: Jiangsu Linyang Electronics Co., Ltd. Address before: 226200 No. two, No. 262, weft Road, Qidong Development Zone, Jiangsu, China Co-patentee before: Nantong Gleefit Electric Co., Ltd. Patentee before: Nantong Hele Electrical Products Equipment Co., Ltd. Co-patentee before: Linyang Electronics Co., Ltd., Jiangsu |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080430 Termination date: 20150205 |
|
| EXPY | Termination of patent right or utility model |