CN204720350U - A kind of electromagnetic relay of magnet arc-control device - Google Patents
A kind of electromagnetic relay of magnet arc-control device Download PDFInfo
- Publication number
- CN204720350U CN204720350U CN201520293832.7U CN201520293832U CN204720350U CN 204720350 U CN204720350 U CN 204720350U CN 201520293832 U CN201520293832 U CN 201520293832U CN 204720350 U CN204720350 U CN 204720350U
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- Prior art keywords
- contact
- dynamic
- magnet
- pedestal
- electromagnetic relay
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- Expired - Fee Related
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- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The utility model designs a kind of electromagnetic relay of magnet arc-control device, comprise electromagnet portion, contact portion, pedestal, case, it is characterized in that: described pedestal and case form a confined space, electromagnet portion and contact portion are positioned at the confined space of pedestal and case formation, described contact portion comprises movable contact spring, moving contact, dynamic lead-out tablet, static contact and fixed contact, described is dynamic, median plane between fixed contact along its center line bilateral symmetry two grooves are set, magnet is provided with in groove, the magnetic line of force between described magnet and dynamic, median plane between fixed contact is vertical.The utility model has the advantages that generation magnetic field, to work electric arc interaction generation one Lorentz force produced with dynamic and static contact, elongate, the electric arc of generation when disperseing dynamic and static contact work reach final elimination, thus eliminate operating arc, improve the interrupting performance between contact, extend the electrical endurance of electromagnetic relay.
Description
Technical field
The utility model relates to a kind of electromagnetic relay of magnet arc-control device.
Background technology
When electromagnetic relay is for driving the load of larger current, especially when operating current is greater than IOOA, the electric arc caused during dynamic and static contact disjunction, contact is made to be difficult to disconnect rapidly, even occur to burn to melt the fault of adhesion, and often open, the contact of normally closed switch in a space, during work, electric arc interacts, make contact aging rapidly, reduce the useful life of electromagnetic relay.Therefore urgently the electromagnetic relay of large current load is improved, to ensure that the contact of electromagnetic relay can disconnect rapidly, prevent high-current leading electricity arc generation burning from melting adhesion or because of electric arc interaction, make contact aging rapidly.
Summary of the invention
The purpose of this utility model is that in solution prior art, electromagnetic relay is when driving the load of big current, and the problems referred to above existing for the electric arc caused during dynamic and static contact disjunction, provide a kind of electromagnetic relay of magnet arc-control device.The utility model designs a kind of electromagnetic relay of magnet arc-control device, comprise electromagnet portion, contact portion, pedestal, case, it is characterized in that: described pedestal and case form a confined space, electromagnet portion and contact portion are positioned at the confined space of pedestal and case formation, described contact portion comprises movable contact spring, moving contact, dynamic lead-out tablet, static contact and fixed contact, described is dynamic, median plane between fixed contact along its center line bilateral symmetry two grooves are set, magnet is provided with in groove, the magnetic line of force between described magnet and dynamic, median plane between fixed contact is vertical.The utility model has the advantages that generation magnetic field, to work electric arc interaction generation one Lorentz force produced with dynamic and static contact, elongate, the electric arc of generation when disperseing dynamic and static contact work reach final elimination, thus eliminate operating arc, improve the interrupting performance between contact, extend the electrical endurance of electromagnetic relay.
Accompanying drawing explanation
Accompanying drawing 1 is section of structure of the present utility model, Fig. 2 is the AA profile of Fig. 1 of the present utility model, and Fig. 3 is the magnetic figure between sound contact of the present utility model, and in figure, 13 is the magnetic line of force, Fig. 4 is the arclight figure between sound contact of the present utility model, and in figure, 14 is arclight.
Embodiment
A kind of electromagnetic relay of magnet arc-control device in figure, comprise electromagnet portion, contact portion, pedestal 1, case 2, electric battle, close point, common point 8, 9, 10, it is characterized in that: described pedestal and case form a confined space, electromagnet portion and contact portion are positioned at the confined space of pedestal and case formation, described contact portion comprises movable contact spring 3, moving contact 4, dynamic lead-out tablet 5, static contact 6 and fixed contact 7, described is dynamic, median plane between fixed contact along its center line bilateral symmetry two grooves 11 are set, magnet 12 is provided with in groove, the magnetic line of force between described magnet and dynamic, median plane between fixed contact is vertical.
When magnetic arc extinguishing electromagnetic relay work, Chang Kai, during normally closed switch conversion, dynamic, fixed contact electric arc that disjunction produces, under the impact in magnetic field, move to the direction inside perpendicular to plane, electric arc is elongated rapidly, arc voltage rises along with the increase of arc length, the magnetic field that they produce is with dynamic, electric arc interaction generation one Lorentz force that fixed contact work produces, elongate, dispersion is dynamic, the electric arc produced during fixed contact work also reaches final elimination, thus eliminate operating arc, improve the interrupting performance between contact, extend the electrical endurance of electromagnetic relay.
Claims (1)
1. the electromagnetic relay of a magnet arc-control device, comprise electromagnet portion, contact portion, pedestal, case, it is characterized in that: described pedestal and case form a confined space, electromagnet portion and contact portion are positioned at the confined space of pedestal and case formation, described contact portion comprises movable contact spring, moving contact, dynamic lead-out tablet, static contact and fixed contact, described is dynamic, median plane between fixed contact along its center line bilateral symmetry two grooves are set, magnet is provided with in groove, the magnetic line of force between described magnet and dynamic, median plane between fixed contact is vertical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520293832.7U CN204720350U (en) | 2015-05-08 | 2015-05-08 | A kind of electromagnetic relay of magnet arc-control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520293832.7U CN204720350U (en) | 2015-05-08 | 2015-05-08 | A kind of electromagnetic relay of magnet arc-control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204720350U true CN204720350U (en) | 2015-10-21 |
Family
ID=54319326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520293832.7U Expired - Fee Related CN204720350U (en) | 2015-05-08 | 2015-05-08 | A kind of electromagnetic relay of magnet arc-control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204720350U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108899252A (en) * | 2018-07-25 | 2018-11-27 | 浙江环方汽车电器有限公司 | A kind of relay of efficient arc extinguishing |
| CN109950095A (en) * | 2019-02-26 | 2019-06-28 | 哈尔滨工业大学 | A kind of arc extinguishing structure and its manufacturing method for relay |
| CN112908750A (en) * | 2020-12-30 | 2021-06-04 | 深圳市劲阳电子有限公司 | Arc-extinguishing relay, arc-extinguishing device and arc-extinguishing method |
-
2015
- 2015-05-08 CN CN201520293832.7U patent/CN204720350U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108899252A (en) * | 2018-07-25 | 2018-11-27 | 浙江环方汽车电器有限公司 | A kind of relay of efficient arc extinguishing |
| CN109950095A (en) * | 2019-02-26 | 2019-06-28 | 哈尔滨工业大学 | A kind of arc extinguishing structure and its manufacturing method for relay |
| CN112908750A (en) * | 2020-12-30 | 2021-06-04 | 深圳市劲阳电子有限公司 | Arc-extinguishing relay, arc-extinguishing device and arc-extinguishing method |
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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: 20151021 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |