CN102509671B - Relay with arc quenching devices - Google Patents
Relay with arc quenching devices Download PDFInfo
- Publication number
- CN102509671B CN102509671B CN201110315215.9A CN201110315215A CN102509671B CN 102509671 B CN102509671 B CN 102509671B CN 201110315215 A CN201110315215 A CN 201110315215A CN 102509671 B CN102509671 B CN 102509671B
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- Prior art keywords
- blow
- placed cavity
- grid
- relay
- contact
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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.)
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Links
- 238000010791 quenching Methods 0.000 title abstract description 10
- 230000000171 quenching effect Effects 0.000 title abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 32
- 239000010959 steel Substances 0.000 claims description 32
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 24
- 206010058109 Hangnail Diseases 0.000 claims description 14
- 230000003068 static effect Effects 0.000 claims description 11
- 210000002421 cell wall Anatomy 0.000 claims description 8
- 230000006978 adaptation Effects 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000000758 substrate Substances 0.000 abstract 3
- 238000010891 electric arc Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 239000004821 Contact adhesive Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005352 galvanomagnetic phenomena Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The invention relates to a relay with arc quenching devices. The relay comprises a substrate, a coil, an armature, sliders, moving contacts and fixed contacts, wherein the fixed contacts are arranged on the substrate; the sliders are arranged on the armature; the moving contacts corresponding to the fixed contacts are arranged on the sliders; a through arc quenching placing cavity is formed on the substrate and is arranged on one side of the fixed contacts, corresponding to the moving contacts; arc quenching devices are arranged in the arc quenching placing cavity; the arc quenching placing cavity extends toward the moving contacts along the fixed contacts to form an arc quenching chamber; and points of the moving and fixed contacts are arranged in the arc quenching chamber. The relay has the following beneficial effects that: the arc quenching devices are arranged near the moving and fixed contacts of the relay, so that the arc generated when the moving and fixed contacts are pulled in and disconnected is quickly adsorbed and quenched to prevent the contacts from being burnt down, thus greatly prolonging the service life of the relay.
Description
Technical field
The present invention relates to a kind of relay, especially a kind of relay with spark blowout.
Background technology
Relay generally forms by iron core, coil, armature, moving contact, stationary contact are first-class, as long as add certain voltage at coil two ends, certain electric current will be flow through in coil, thus generation galvanomagnetic effect, the pulling force that armature will overcome return spring under the effect of electromagnetic attracting force is inhaled to iron core, thus drives moving contact and fixed contact adhesive.The moving contact of relay can produce electric arc with fixed contact when contacting, particularly powerful relay, the moving contact of its inside contacts produced electric arc with fixed contact can by contact burning, the useful life of relay is reduced even cannot normally use, relay cannot be utilized to switch high power load.
Summary of the invention
The object of the invention is to the defect overcoming prior art, a kind of relay of the band spark blowout that can increase the service life under heavy load condition is provided.
For achieving the above object, the present invention adopts a kind of relay with spark blowout, comprise pedestal, coil, armature, slide block, moving contact, fixed contact, fixed contact is arranged on pedestal, slide block is arranged on armature, slide block arranges the moving contact corresponding with fixed contact, pedestal is formed through blow-out placed cavity, the corresponding moving contact of blow-out placed cavity is arranged on one side of fixed contact, spark blowout is provided with in blow-out placed cavity, blow-out placed cavity extends to form expulsion element along fixed contact to moving contact direction, and the contact of dynamic and static contact is all in expulsion element.
The invention has the beneficial effects as follows and arrange spark blowout at the dynamic and static proximate contacts of relay, the electric arc produced when making dynamic and static contact adhesive and disconnect, by extinguish fast, prevents contact from burning, substantially increases the useful life of relay; And the adhesive of dynamic and static contact and disconnection are all in expulsion element, the electric arc that its action produces can not have influence on other parts of relay, and can be extinguished by spark blowout faster.
The described spark blowout that the present invention is set to further comprises blow-out seat and multi-disc blow-out grid, and the inwall that blow-out seat is close to blow-out placed cavity is fixedly installed, and blow-out grid is evenly arranged in blow-out seat in the horizontal direction.Carrying out blow-out by blow-out grid is modal blow-out mode, is usually applied in AC load relay, and blow-out grid is let out expulsion of arc after electric arc being segmented into multiple short electric arc and gone out.
Another kind of the present invention is set to described spark blowout and comprises blow-out seat and magnet steel, and the inwall that blow-out seat is close to blow-out placed cavity is fixedly installed, and magnet steel is arranged in blow-out seat.DC load relay adopts magnet steel blow-out usually, and magnet steel extinguishes after arc column deflection being elongated.
The mounting means of blow-out seat of the present invention is that the inner of described blow-out seat outer wall both sides respectively forms a fastener, fastener is inclined-plane towards the one side of the inner, the outer end of blow-out seat outer wall both sides respectively forms fixture block, blow-out placed cavity inwall both sides form projection, and the fastener of blow-out seat and fixture block are stuck in projection both sides and fix.Fastener by pressed through projection, can just be stuck in the inner of projection, coordinates thus fixing blow-out seat, simple installation with the fixture block of projection outer end.
The inner two side of blow-out seat that is specifically set to of blow-out grid blow-out is adopted to form multiple grid groove, described blow-out grid is suction arc end towards one end of moving contact, the other end is for letting out arc end, the middle part of inhaling arc end offers inhales arc breach, let out arc end both sides to stretch out formation block, blow-out grid both sides form hangnail, and hangnail is inclined-plane towards suction arc end, grid groove inwardly forms the gear mouth with block adaptation towards pedestal lateral ends, and blow-out grid is fixed in grid groove by hangnail and block.Blow-out grid can make hangnail pass the grid groove of blow-out seat by pressing, is just stuck in the inner of blow-out seat, coordinates thus be fixed in blow-out seat by blow-out grid, simple installation with the block of blow-out grid outer end.
Adopt upper and lower two inwalls of blow-out seat that are specifically set to of magnet steel blow-out to form magnet steel holddown groove, the cell wall of magnet steel holddown groove is divided into multistage and arranges, and magnet steel holddown groove is inclined-plane towards the cell wall outer end inside pedestal.Magnet steel can be installed in magnet steel holddown groove by the inclined-plane of inner cell wall, simple installation.
It is that grid, magnet steel are dual-purpose that the present invention is set to described blow-out seat further, and upper and lower two inwalls of blow-out seat form magnet steel holddown grooves, and the cell wall of magnet steel holddown groove is divided into multistage and arranges, and magnet steel holddown groove is inclined-plane towards the cell wall outer end inside pedestal; Blow-out seat inner left and right sides wall forms multiple grid groove, blow-out grid is suction arc end towards one end of moving contact, the other end is for letting out arc end, the middle part of inhaling arc end offers inhales arc breach, let out arc end both sides to stretch out formation block, blow-out grid both sides form hangnail, and hangnail is inclined-plane towards suction arc end, grid groove inwardly forms the gear mouth with block adaptation towards pedestal lateral ends, and blow-out grid can be fixed in grid groove by hangnail and block; Or in magnet steel holddown groove, magnet steel is set.This structure can meet the installation of grid and magnet steel blow-out simultaneously, and structure is simple, easy for installation.
The present invention is specifically set to the upper and lower both sides of corresponding moving contact on described pedestal further and is provided with fixed contact, and blow-out placed cavity is arranged between upper and lower static contact.
The present invention is specifically set to corresponding fixed contact on the blow-out placed cavity of described pedestal and expulsion element's madial wall further and forms locating piece, and fixed contact is fixed on the sidewall of expulsion element's placed cavity and expulsion element by locating piece.Locating piece makes the location of fixed contact more accurate, stable.
The present invention can be the relay of many group contacts, pedestal correspondence is often organized contact and is provided with blow-out placed cavity and expulsion element, in blow-out placed cavity, spark blowout is set, expulsion element is multiple closed O-shaped structures, sidewall by expulsion element between Mei Zu expulsion element is separated, the creepage distance between each sets of contacts can be increased, prevent from producing electric arc between sets of contacts.
Accompanying drawing explanation
Fig. 1 is first embodiment of the invention stereogram.
Fig. 2 is the stereogram after first embodiment of the invention removes housing.
Fig. 3 is the exploded perspective view after first embodiment of the invention removes housing.
Fig. 4 is the exploded perspective view after second embodiment of the invention removes housing.
Fig. 5 is third embodiment of the invention stereogram.
Fig. 6 is the stereogram after third embodiment of the invention removes housing.
Fig. 7 is the exploded perspective view after third embodiment of the invention removes housing.
Fig. 8 is the exploded perspective view after fourth embodiment of the invention removes housing.
Fig. 9 is the assembling stereogram of blow-out seat of the present invention and blow-out grid.
Figure 10 is the assembling stereogram of blow-out seat of the present invention and blow-out grid.
Figure 11 is the assembling stereogram of blow-out seat of the present invention and magnet steel.
Figure 12 is the assembling stereogram of blow-out seat of the present invention and magnet steel.
Figure 13 is blow-out seat schematic diagram of the present invention.
Figure 14 is the front view of blow-out grid of the present invention.
Figure 15 is the fixed contact of third embodiment of the invention and the exploded perspective view of pedestal.
Embodiment
As Figure 1-3, first specific embodiment of the present invention is a kind of relay with spark blowout, comprise housing 9, pedestal 3, coil, iron core, yoke, armature 7, slide block 6, moving contact 5, fixed contact 4, back-moving spring, upper and lower two fixed contacts 4 are arranged on pedestal 3, slide block 6 is arranged on armature 7, slide block 6 is connected with moving contact 5, moving contact 5 is arranged between upper and lower two fixed contacts 4, pedestal 3 is formed through blow-out placed cavity 31, the corresponding moving contact 5 of blow-out placed cavity 31 is arranged between upper and lower static contact 4, spark blowout is provided with in blow-out placed cavity 31, blow-out placed cavity 31 extends to form the expulsion element 32 of O-shaped structure along fixed contact to moving contact 5 direction, dynamic, the contact 51 of fixed contact is all wrapped in expulsion element 32, spark blowout comprises blow-out seat 1 and multi-disc blow-out grid 2 as shown in Fig. 9-14, the inner of blow-out seat 1 outer wall both sides respectively forms a fastener 11, fastener 11 is inclined-plane towards the one side of the inner, the outer end of blow-out seat 1 outer wall both sides respectively forms two fixture blocks 12, blow-out placed cavity 31 inwall both sides form projection 33, the fastener 11 of blow-out seat 1 and fixture block 12 are stuck in projection 33 both sides and fix, blow-out seat about 1 two inwall forms magnet steel holddown groove 13, the cell wall of magnet steel holddown groove 13 is divided into multistage and arranges, and magnet steel holddown groove 13 is inclined-plane towards internal groove side wall 14 outer end inside pedestal, blow-out seat 1 inner left and right sides wall forms multiple grid groove 15, blow-out grid 2 is U-shaped suction arc end 21 towards one end of moving contact, the other end is for letting out arc end 22, the middle part of inhaling arc end 21 offers inhales arc breach 23, let out arc end 22 both sides stretch out formed block 24, blow-out grid 2 both sides form hangnail 25, hangnail 25 is inclined-plane towards suction arc end 21, grid groove 15 outer end inwardly forms the gear mouth 16 with block 24 adaptation, blow-out grid 2 is inserted in grid groove 15 by hangnail 25, and hangnail 25 and block 24 are stuck in grid groove 15 two ends and blow-out grid 2 are fixed in blow-out seat 1.
As shown in Figure 4, the second specific embodiment of the present invention is a kind of relay with spark blowout, does not install blow-out grid 2 in blow-out seat 1, but in blow-out seat 1 mounting magnetic steel 8, magnet steel 8 is fixed in magnet steel holddown groove 13.
As shown in Fig. 5-7 and Figure 15, 3rd specific embodiment of the present invention is a kind of relay with spark blowout, the moving contact 5 that connection three is parallel on slide block 6, pedestal 3 is arranged three groups of upper and lower static contacts 4, often organize between upper and lower static contact 4 and all form blow-out placed cavity 31, blow-out placed cavity 31 extends internally the expulsion element 32 of O-shaped structure that formation three is separated, the inwall of blow-out placed cavity 31 and expulsion element 32 is formed locating piece 34, fixed contact is fixed on the inwall up and down of blow-out placed cavity 31 and expulsion element 32 by locating piece 34, blow-out seat 1 is set in blow-out placed cavity 31, blow-out grid 2 is provided with in blow-out seat 1.
As shown in Figure 8, 4th specific embodiment of the present invention is a kind of relay with spark blowout, the moving contact 5 that connection three is parallel on slide block 6, pedestal 3 is arranged three groups of upper and lower static contacts 4, often organize between upper and lower static contact 4 and form blow-out placed cavity 31, blow-out placed cavity 31 extends internally and forms the expulsion element 32 of O-shaped structure, the inwall of blow-out placed cavity 31 and expulsion element 32 is formed locating piece 34, fixed contact is fixed on the inwall up and down of blow-out placed cavity 31 and expulsion element 32 by locating piece 34, blow-out seat 1 is set in blow-out placed cavity 31, magnet steel 8 is provided with in blow-out seat 1.
The present invention is not limited to above-mentioned four kinds of embodiments, and the number of spark blowout of the present invention is pressed the quantity of the sets of contacts of relay and determines, and can be the quantity of mating with sets of contacts arbitrarily; The structure that spark blowout adopts also is not limited to said structure, the load connected according to relay is to select grid or magnet steel arc extinguishing, blow-out seat adopts multiple different structure according to arc quenching method, the blow-out seat of grid and magnet steel double-purpose in above-described embodiment can not only be adopted, also can adopt special respectively with grid and the supporting blow-out seat of magnet steel.The combination more than changed and change is all in protection scope of the present invention.
Claims (4)
1. the relay with spark blowout, comprise pedestal, coil, armature, slide block, moving contact, fixed contact, fixed contact is arranged on pedestal, slide block is arranged on armature, slide block arranges the moving contact corresponding with fixed contact, pedestal is formed through blow-out placed cavity, the corresponding moving contact of blow-out placed cavity is arranged on one side of fixed contact, spark blowout is provided with in blow-out placed cavity, blow-out placed cavity extends to form expulsion element along fixed contact to moving contact direction, dynamic, the contact of fixed contact is all in expulsion element, described spark blowout comprises blow-out seat and multi-disc blow-out grid, the inwall that blow-out seat is close to blow-out placed cavity is fixedly installed, multi-disc blow-out grid is evenly arranged in blow-out seat in the horizontal direction, it is characterized in that: upper and lower two inwalls of described blow-out seat form magnet steel holddown groove, the cell wall of magnet steel holddown groove is divided into multistage and arranges, magnet steel holddown groove is inclined-plane towards the cell wall outer end inside pedestal, blow-out seat inner left and right sides wall forms multiple grid groove, described blow-out grid is suction arc end towards one end of moving contact, the other end is for letting out arc end, the middle part of inhaling arc end offers inhales arc breach, let out arc end both sides to stretch out formation block, blow-out grid both sides form hangnail, and hangnail is inclined-plane towards suction arc end, grid groove inwardly forms the gear mouth with block adaptation towards pedestal lateral ends, and blow-out grid is fixed in grid groove by hangnail and block.
2. the relay of band spark blowout according to claim 1, it is characterized in that: the inner of described blow-out seat outer wall both sides respectively forms a fastener, fastener is inclined-plane towards the one side of the inner, the outer end of blow-out seat outer wall both sides respectively forms fixture block, blow-out placed cavity inwall both sides form projection, and the fastener of blow-out seat and fixture block are stuck in projection both sides and fix.
3. the relay of band spark blowout according to claim 1, is characterized in that: on described pedestal, the upper and lower both sides of corresponding moving contact are provided with fixed contact, and blow-out placed cavity is arranged between upper and lower static contact.
4. the relay of band spark blowout according to claim 1, is characterized in that: on the blow-out placed cavity of described pedestal and expulsion element's madial wall, corresponding fixed contact forms locating piece, and fixed contact is fixed on the sidewall of expulsion element's placed cavity and expulsion element by locating piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110315215.9A CN102509671B (en) | 2011-10-10 | 2011-10-10 | Relay with arc quenching devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110315215.9A CN102509671B (en) | 2011-10-10 | 2011-10-10 | Relay with arc quenching devices |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102509671A CN102509671A (en) | 2012-06-20 |
| CN102509671B true CN102509671B (en) | 2015-07-22 |
Family
ID=46221742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110315215.9A Expired - Fee Related CN102509671B (en) | 2011-10-10 | 2011-10-10 | Relay with arc quenching devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102509671B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107230584B (en) * | 2017-07-25 | 2018-12-14 | 浙江工贸职业技术学院 | A kind of high-current supply relay |
| KR102275001B1 (en) * | 2019-10-17 | 2021-07-08 | 엘에스일렉트릭(주) | Magnetic contactor that is capable of extinguish the Arc effectively |
| CN115206705B (en) * | 2022-09-14 | 2022-12-02 | 广州市兆能有限公司 | Relay with arc quenching device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4404443A (en) * | 1980-10-03 | 1983-09-13 | Thomson-Csf | Electromagnetic relay |
| CN201522976U (en) * | 2009-11-12 | 2010-07-07 | 浙江亚洲龙继电器有限公司 | Relay with arc quenching device |
| CN201708095U (en) * | 2010-02-10 | 2011-01-12 | 浙江亚洲龙继电器有限公司 | High-power relay |
| CN202221737U (en) * | 2011-10-10 | 2012-05-16 | 浙江亚洲龙继电器有限公司 | Relay with arc quenching device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2524359Y (en) * | 2002-01-04 | 2002-12-04 | 苏怀彬 | Three-phase electromagnetic relay |
-
2011
- 2011-10-10 CN CN201110315215.9A patent/CN102509671B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4404443A (en) * | 1980-10-03 | 1983-09-13 | Thomson-Csf | Electromagnetic relay |
| CN201522976U (en) * | 2009-11-12 | 2010-07-07 | 浙江亚洲龙继电器有限公司 | Relay with arc quenching device |
| CN201708095U (en) * | 2010-02-10 | 2011-01-12 | 浙江亚洲龙继电器有限公司 | High-power relay |
| CN202221737U (en) * | 2011-10-10 | 2012-05-16 | 浙江亚洲龙继电器有限公司 | Relay with arc quenching device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102509671A (en) | 2012-06-20 |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170630 Address after: 325000, No. 7, Tengfei Road, Dongfeng Industrial Zone, Liushi Town, Zhejiang City, Yueqing province (Zhejiang Asia Dragon relay Co., Ltd.) Patentee after: Asia Dragon Electric Co.,Ltd. Address before: 325204 No. 7 Tengfei Road, Dongfeng Industrial Zone, Liushi Town, Zhejiang, Yueqing Patentee before: ZHEJIANG ASIA DRAGON RELAY Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150722 |
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| CF01 | Termination of patent right due to non-payment of annual fee |