CN208157318U - Vacuum interrupter and contactor for contactor - Google Patents
Vacuum interrupter and contactor for contactor Download PDFInfo
- Publication number
- CN208157318U CN208157318U CN201820391654.5U CN201820391654U CN208157318U CN 208157318 U CN208157318 U CN 208157318U CN 201820391654 U CN201820391654 U CN 201820391654U CN 208157318 U CN208157318 U CN 208157318U
- Authority
- CN
- China
- Prior art keywords
- contact
- shape
- stick
- sheet metal
- contactor
- 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
Links
- 210000000003 hoof Anatomy 0.000 claims abstract description 56
- 229910052751 metal Inorganic materials 0.000 claims abstract description 54
- 239000002184 metal Substances 0.000 claims abstract description 54
- 150000002739 metals Chemical class 0.000 claims abstract description 9
- 230000000712 assembly Effects 0.000 claims abstract description 4
- 238000000429 assembly Methods 0.000 claims abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 229910052742 iron Inorganic materials 0.000 claims description 5
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- SBYXRAKIOMOBFF-UHFFFAOYSA-N copper tungsten Chemical compound [Cu].[W] SBYXRAKIOMOBFF-UHFFFAOYSA-N 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical group [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 claims description 3
- 238000010891 electric arc Methods 0.000 abstract description 9
- 230000002776 aggregation Effects 0.000 abstract description 8
- 238000004220 aggregation Methods 0.000 abstract description 8
- 238000002679 ablation Methods 0.000 abstract description 7
- 230000005672 electromagnetic field Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 9
- 230000003068 static effect Effects 0.000 description 9
- 230000008569 process Effects 0.000 description 6
- 230000008901 benefit Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
- H01H33/18—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
- H01H33/185—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet using magnetisable elements associated with the contacts
Abstract
The utility model relates to the vacuum interrupters and contactor for contactor, it includes two contact assemblies, each contact assembly includes a contact stick and a contact blade, the contact blade is located at one end of the contact stick, and two contact blades are oppositely arranged, it is characterized in that, each contact assembly further includes：One shape of a hoof sheet metal has an opening and is sheathed on the contact stick, and the shape of a hoof sheet metal is fixed on the same side contacts of the contact blade with the contact stick；Wherein, the extending direction of the opening of two shape of a hoof sheet metals is opposite.According to the utility model, by the way that a shape of a hoof sheet metal is added in each contact assembly of contactor, to generate additional electromagnetic field, it can be avoided electric arc aggregation and lead to contact blade excessive surface ablation, to guarantee the service life of contactor as far as possible.
Description
Technical field
The utility model relates to machinery field, especially a kind of vacuum interrupter for contactor.In addition, this is practical new
Type further relates to the contactor using this vacuum interrupter.
Background technique
Contactor, which refers in industrial electro, flows through current induced magnetic field using coil, makes contact closure, to reach control load
It is electrical.The working principle of contactor is：After contactor coil is powered, coil current can generate magnetic field, and the magnetic field of generation makes
Static contact component generates electromagnetic attraction gravitational attraction moving contact component, and contactor point is driven to act, normally-closed contact disconnection or normally opened
Contact closure.When two contact assembly separation, electric arc can be generated therebetween.
But in practical operation, when electric current increases to a boundary value, electric arc will generate aggregation, in contact assembly
Contact blade carries out ablation, if ablation can excessively damage contact blade, and influences the service life of contactor.
Utility model content
In view of this, the utility model proposes a kind of vacuum interrupters and contactor for contactor, with as far as possible
Avoid the aggregation of electric arc.
On the one hand the utility model provides the vacuum interrupter for being used for contactor comprising two contact assemblies, Mei Gesuo
Stating contact assembly includes a contact stick and a contact blade, and the contact blade is located at one end of the contact stick, and two touchings
Head piece is oppositely arranged, which is characterized in that each contact assembly further includes：One shape of a hoof sheet metal has one and opens
Mouthful and be sheathed on the contact stick, the shape of a hoof sheet metal is fixed on the same of the contact blade with the contact stick and flanks
Touching；Wherein, the extending direction of the opening of two shape of a hoof sheet metals is opposite.
According to the utility model, by the way that a shape of a hoof sheet metal is added in each contact assembly of contactor, to produce
Raw additional electromagnetic field can be avoided electric arc aggregation and lead to contact blade excessive surface ablation, to guarantee contactor as far as possible
Service life.This mode simple process, cost is relatively low.
According to vacuum interrupter as described above, optionally, the shape of a hoof sheet metal is shape of a hoof electrical pure iron piece.Electricity
The technique of work pure iron is skillful, and functional and price is lower.
According to vacuum interrupter as described above, optionally, the outer diameter of the shape of a hoof sheet metal is less than or equal to described
The outer diameter of contact blade.
According to vacuum interrupter as described above, optionally, the contact stick is posted by the inside of the opening.In this way,
Magnetic field caused by two shape of a hoof sheet metals can be covered in contact blade as far as possible.
According to vacuum interrupter as described above, optionally, the shape of a hoof sheet metal and the contact blade are welded to connect.
Using welding manner simple process and high reliablity.
According to vacuum interrupter as described above, optionally, the recessed portion that there are two the contact stick tools, the shape of a hoof
Sheet metal is sheathed on the recessed portion.Two symmetrical recessed portions are set on contact stick, it can be convenient for shape of a hoof sheet metal
Opening is set on contact stick, and then convenient for assembling.
According to vacuum interrupter as described above, optionally, the contact blade is rounded, and the contact stick is cylindrical body,
The diameter of the contact blade is greater than the diameter of the contact stick.In this way, contact assembly is not likely to produce point discharge, and can save
Material reduces cost.
According to vacuum interrupter as described above, optionally, the contact blade is tungsten carbide silver strip or tungsten copper piece.
On the other hand the utility model provides contactor, including as above described in any item vacuum interrupters.By connecing
A shape of a hoof sheet metal is added in each contact assembly of tentaculum, to generate additional electromagnetic field, can be avoided electric arc aggregation
And lead to contact blade excessive surface ablation, to guarantee the service life of contactor as far as possible.This mode simple process, cost compared with
It is low.
Detailed description of the invention
The preferred embodiment of the utility model will be described in detail by referring to accompanying drawing below, make the ordinary skill people of this field
Member becomes apparent from the above and other feature and advantage of the utility model, in attached drawing：
Fig. 1 is the structural representation according to two contact blade separated positions in the contact assembly of an embodiment of the present invention
Figure.
Fig. 2 is the structural representation according to two contact blade contact conditions in the contact assembly of an embodiment of the present invention
Figure.
Fig. 3 is the structural schematic diagram according to the shape of a hoof sheet metal of an embodiment of the present invention.
Appended drawing reference：
Contact stick in 101- static contact component
The recessed portion of contact stick in 1011- static contact component
Contact blade in 102- static contact component
Contact stick in 103- moving contact component
The recessed portion of contact stick in 1031- moving contact component
Contact blade in 104- moving contact component
Shape of a hoof sheet metal in 105- static contact component
The inner edge of 1051- opening
Shape of a hoof sheet metal in 106- moving contact component
110- opening
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, by the following examples to the utility model
It is further described.
The present embodiment provides a kind of vacuum interrupters for contactor.The vacuum interrupter includes two contact assemblies,
Respectively moving contact component and static contact component.Static contact component includes a contact stick 101 and a contact blade 102, described
Contact blade 102 is located at one end of the contact stick 101.Moving contact component equally includes a contact stick 103 and a contact blade
104.Moving contact component can move up and down to be contacting and separating with static contact component.Contact blade 102 and contact blade 104 are set relatively
It sets, contact blade 104 can be moved up and down with contact stick 103, and then contacted or separated with contact blade 102, to realize contactor
On-off.
In the present embodiment, each contact assembly further includes a shape of a hoof sheet metal.The shape of a hoof sheet metal can be with
It is welded with contact blade, welding manner simple process and high reliablity.Shape of a hoof sheet metal has an opening, the opening and contact
Stick cooperation.As depicted in figs. 1 and 2, static contact component includes a shape of a hoof sheet metal 105, has an opening and passes through
The opening sleeve is set on contact stick 101.The shape of a hoof sheet metal 105 and contact stick 101 are fixed on the same side of contact blade 102.
Correspondingly, moving contact component includes a shape of a hoof sheet metal 106, equally has an opening and is set to by the opening sleeve
On contact stick 103.The shape of a hoof sheet metal 106 and contact stick 103 are fixed on the same side of contact blade 104.
The extending direction of the opening of two shape of a hoof sheet metals of the present embodiment is on the contrary, i.e. shape of a hoof sheet metal 105 is opened
The extending direction of mouth is opposite with the extending direction of the opening of shape of a hoof sheet metal 106.In this way, in two shape of a hoof sheet metals 105
Between be formed by electromagnetism field direction be it is longitudinal, i.e., perpendicular to two shape of a hoof sheet metals.The electromagnetic field can be avoided contact blade
Between the aggregation of electric arc that is generated in separation.
According to the utility model, by the way that a shape of a hoof sheet metal is added in each contact assembly of contactor, with
The corresponding region of shape of a hoof sheet metal generates additional electromagnetic field, the additional electromagnetic field, can be avoided electric arc aggregation to contact
Ablation caused by piece, to guarantee the service life of contactor as far as possible.This mode simple process, cost is relatively low.
Optionally, two shape of a hoof sheet metals of the present embodiment are shape of a hoof electrical pure iron piece.The technique of electrical pure iron is pure
Ripe, functional and price is lower.
Optionally, the outer diameter of the embodiment of the present invention shape of a hoof sheet metal is less than or equal to the outer diameter of the contact blade.Such as
Shown in Fig. 1 and Fig. 2, the outer diameter of shape of a hoof sheet metal 105 is less than or equal to the outer diameter of contact blade 102, shape of a hoof sheet metal 106
Outer diameter be less than or equal to contact blade 104 outer diameter.In this way, shape of a hoof sheet metal can be installed on contact blade more conveniently,
And will not be excessive waste material.
Optionally, contact stick is posted by the inside of opening.As depicted in figs. 1 and 2, the opening of shape of a hoof sheet metal 105
Inside is posted by contact stick 101, and contact stick 103 is posted by the inside of the opening of shape of a hoof sheet metal 106, in such manner, it is possible to as far as possible
Magnetic field is generated in the range of contact blade covering.In actual production, the inside that can choose shape of a hoof sheet metal opening is posted by
Contact stick, and the outer profile of shape of a hoof sheet metal is identical as the outer profile of contact blade, at this time institute between two shape of a hoof sheet metals
The magnetic field range of generation is the largest.Certainly, the inside of opening can also have certain gap with contact stick, specifically can be according to
Actual needs setting, the utility model are not construed as limiting.
Optionally, for each contact stick tool of the present embodiment there are two symmetrical recessed portion, shape of a hoof sheet metal is sheathed on this
Recessed portion.As depicted in figs. 1 and 2, the recessed portion 1011 there are two the tools of contact stick 101 (shows a recessed portion in figure
1011), shape of a hoof sheet metal 105 is sheathed on recessed portion 1011, as shown in figure 3, an inner edge 1051 of opening 110 and recess
Portion 1011 is opposite, such as can contact recessed portion 1011.The tool of contact stick 103 (shows one there are two recessed portion 1031 in figure
Recessed portion 1031), shape of a hoof sheet metal 106 is sheathed on recessed portion 1031.Two symmetrical recessed portions, energy are set on contact stick
It is enough set on contact stick convenient for the opening of shape of a hoof sheet metal, and then convenient for assembling.
Optionally, the contact blade of the present embodiment is rounded, and contact stick is in cylindrical body, and the diameter of contact blade is greater than contact stick
Diameter.In this way, being not likely to produce point discharge using round or cylindrical body, contact blade and contact stick.The diameter of contact blade is greater than
The diameter of contact stick can save the material of contact stick, reduce cost.The contact blade of the present embodiment can be tungsten carbide silver strip or
Tungsten copper piece.
The utility model also provides a kind of true arc-chutes, including above-mentioned contactor.According to the utility model, by connecing
A shape of a hoof sheet metal is added in each contact assembly of tentaculum, to generate additional electromagnetic field, can be avoided electric arc aggregation
And lead to contact blade excessive surface ablation, to guarantee the service life of contactor as far as possible.This mode simple process, cost compared with
It is low.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (9)
1. being used for the vacuum interrupter of contactor comprising two contact assemblies, each contact assembly include a contact
Stick (101,103) and a contact blade (102,104), the contact blade (102,104) are located at the contact stick (101,103)
One end, and two contact blades (102,104) are oppositely arranged, which is characterized in that each contact assembly further includes：
One shape of a hoof sheet metal (105,106) has an opening and is sheathed on the contact stick (101,103), institute
It states shape of a hoof sheet metal (105,106) and is fixed on the same of the contact blade (102,104) with the contact stick (101,103)
Side；
Wherein, the extending direction of the opening (110) of two shape of a hoof sheet metals (105,106) is opposite.
2. vacuum interrupter according to claim 1, which is characterized in that the shape of a hoof sheet metal (105,106) is horse
Ungulate electrical pure iron piece.
3. vacuum interrupter according to claim 1, which is characterized in that outside the shape of a hoof sheet metal (105,106)
Diameter is less than or equal to the outer diameter of the contact blade (102,104).
4. vacuum interrupter according to claim 1, which is characterized in that be posted by the inside of the opening (110) described
Contact stick.
5. vacuum interrupter according to claim 1, which is characterized in that the shape of a hoof sheet metal (105,106) and institute
State contact blade (102,104) welded connecting.
6. vacuum interrupter according to any one of claims 1-5, which is characterized in that the contact stick (101,103)
The recessed portion (1011,1031) that there are two tools, the shape of a hoof sheet metal (105,106) be sheathed on the recessed portion (1011,
1031)。
7. vacuum interrupter according to any one of claims 1-5, which is characterized in that the contact blade (102,104)
Rounded, the contact stick (101,103) is cylindrical body, and the diameter of the contact blade (102,104) is greater than the contact stick
(101,103) diameter.
8. vacuum interrupter according to any one of claims 1-5, which is characterized in that the contact blade (102,104)
It is tungsten carbide silver strip or tungsten copper piece.
9. contactor, which is characterized in that including vacuum interrupter of any of claims 1-8.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820391654.5U CN208157318U (en) | 2018-03-21 | 2018-03-21 | Vacuum interrupter and contactor for contactor |
| PCT/EP2019/056861 WO2019180030A1 (en) | 2018-03-21 | 2019-03-19 | Vacuum arc-extinguishing chamber used for contactors and contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820391654.5U CN208157318U (en) | 2018-03-21 | 2018-03-21 | Vacuum interrupter and contactor for contactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208157318U true CN208157318U (en) | 2018-11-27 |
Family
ID=64392428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820391654.5U Expired - Fee Related CN208157318U (en) | 2018-03-21 | 2018-03-21 | Vacuum interrupter and contactor for contactor |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN208157318U (en) |
| WO (1) | WO2019180030A1 (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8400873A (en) * | 1984-03-19 | 1985-10-16 | Hazemeijer Bv | VACUUM SWITCH, EQUIPPED WITH HORSESHOE-ORGANS FOR GENERATING AN AXIAL MAGNETIC FIELD. |
| JP5648577B2 (en) * | 2011-05-17 | 2015-01-07 | 株式会社明電舎 | Vacuum interrupter |
| US8653396B2 (en) * | 2011-09-28 | 2014-02-18 | Eaton Corporation | Vacuum switch and hybrid switch assembly therefor |
| CN107086149A (en) * | 2017-06-05 | 2017-08-22 | 西安交通大学 | A kind of high voltage vacuum interrupter horseshoe-shaped indulges magnetic contact conductive structure |
| CN206849764U (en) * | 2017-06-06 | 2018-01-05 | 西安交通大学 | High rated current longitudinal magnetic field vacuum arc-extinguishing chamber contact structure |
-
2018
- 2018-03-21 CN CN201820391654.5U patent/CN208157318U/en not_active Expired - Fee Related
-
2019
- 2019-03-19 WO PCT/EP2019/056861 patent/WO2019180030A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019180030A1 (en) | 2019-09-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181127 |