CN105448586B - Support plate and contact assembly, the vacuum interrupter for using the support plate - Google Patents
Support plate and contact assembly, the vacuum interrupter for using the support plate Download PDFInfo
- Publication number
- CN105448586B CN105448586B CN201510878513.7A CN201510878513A CN105448586B CN 105448586 B CN105448586 B CN 105448586B CN 201510878513 A CN201510878513 A CN 201510878513A CN 105448586 B CN105448586 B CN 105448586B
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- CN
- China
- Prior art keywords
- tooth
- conductive
- contact blade
- contact
- support plate
- 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.)
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Links
- 238000003754 machining Methods 0.000 claims description 5
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 238000004080 punching Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 238000010891 electric arc Methods 0.000 description 2
- 238000002679 ablation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000007704 transition Effects 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
- H01H33/6643—Contacts; Arc-extinguishing means, e.g. arcing rings having disc-shaped contacts subdivided in petal-like segments, e.g. by helical grooves
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The invention discloses contact assembly, the vacuum interrupters of a kind of support plate and the use support plate.Contact assembly includes fixed contact blade on conducting rod and its end, contact blade is equipped with fylfot or spiral type groove and divides valve between adjacent two type groove, it is fixed with support plate between the back side and conducting rod of contact blade, support plate includes the conducting ring that suit is fixed on the periphery of conducting rod, it is convexly equipped with circumferentially spaced conductive tooth on conducting ring, divides valve between each type groove of the corresponding conductive contact contact blade of tooth top of each conduction tooth.The conductive tooth of support plate forms the end-tooth for conductive supporting contact blade on conducting ring, so that the centre of contact blade is directly anchored on conducting rod, a point lobe position is supported by conductive tooth, after type groove in this way on contact blade is deepened, the conductive tooth that point lobe position still can be supported disk in conductive tooth is supported, and also ensures that the structural strength of entire contact assembly entirety.
Description
Technical field
The present invention relates to contact assembly, the vacuum interrupters of a kind of support plate and the use support plate.
Background technology
Currently, there are two types of the structure of contact terminals of the vacuum interrupter of 12kV series, one is transverse magnetic field contact, another kind is
Longitudinal field contact.The type groove of spiral shape or fylfot is wherein offered on the contact blade of transverse magnetic field contact, which makes
The connecting-disconnecting function of transverse magnetic field contact is better than longitudinal field contact, is conducive to minimizing, being at low cost for vacuum interrupter, by more
Carry out more producer's favors.But the structural strength of transverse magnetic field contact and the magnetic induction intensity of generation be it is conflicting, i.e.,
The path slotted on transverse magnetic field contact is longer, and magnetic induction intensity is stronger, but the structural strength of contact will be lower, specified
Operation-current under electrical endurance will be shorter, therefore the transverse magnetic field contact that is used in existing vacuum interrupter exists
The defect of magnetic induction poor performance, structural strength difference.
Invention content
The support plate of contact blade structural strength is improved the object of the present invention is to provide a kind of, while additionally providing a kind of use
The contact assembly of the support plate and the vacuum interrupter for using the contact assembly.
In order to achieve the goal above, the technical solution of support plate is as follows in the present invention：
Support plate includes for being set with the conducting ring being fixed on the periphery of conducting rod, being convexly equipped with circumferentially on conducting ring
The conductive tooth being spaced apart, the tooth top of each conduction tooth is for point between each type groove of corresponding conductive contact contact blade
Valve, the interval notch between each conduction tooth is for avoiding each type groove on contact blade.
Each conduction tooth is in the flange edge of conducting ring machining or be stamped to form.
The endoporus of conducting ring is the center hole coaxially installed for conducting rod, and each conduction tooth is the axis around center hole
The arc-shaped gear that direction extends, and each conductive tooth is on the same circumference of conducting ring.
The technical solution of contact assembly is as follows in the present invention：
Fixed contact blade on contact assembly, including conducting rod and its end, contact blade are equipped with fylfot or spiral shape
The type groove being evenly distributed and divide valve between adjacent two type groove, and define one end that contact blade is connect with conducting rod
End face is the back side, the end face for coordinating with another contact assembly is front, is fixed between the back side and conducting rod of contact blade
Support plate, support plate include the conducting ring that suit is fixed on the periphery of conducting rod, and circumferentially spaced point is convexly equipped on conducting ring
The conductive tooth of cloth divides valve between each type groove of the corresponding conductive contact contact blade of tooth top of each conduction tooth, each conduction tooth
Between interval notch be used to avoid each type groove on contact blade.
Each conduction tooth is in the flange edge of conducting ring machining or be stamped to form.
The endoporus of conducting ring is the center hole coaxially installed for conducting rod, and each conduction tooth is the axis around center hole
The arc-shaped gear that direction extends, and each conductive tooth is on the same circumference of conducting ring.
The conducting ring of support plate is weldingly fixed on the periphery of conducting rod, the tooth top of conductive tooth is weldingly fixed on contact blade
Divide on valve.
The technical solution of vacuum interrupter is as follows in the present invention：
Vacuum interrupter, includes two contact assemblies for axially opposed division, contact assembly include conducting rod and its
Fixed contact blade on end, contact blade are equipped with fylfot or the spiral type groove being evenly distributed and are in adjacent amphitypy
Divide valve between slot, and the end face for defining one end that contact blade is connect with conducting rod is the back side, for matching with another contact assembly
The end face of conjunction is front, and support plate is fixed between the back side and conducting rod of contact blade, and support plate includes that suit is fixed on conduction
Conducting ring on the periphery of bar, circumferentially spaced conductive tooth is convexly equipped on conducting ring, and the tooth top of each conduction tooth is right respectively
Divide valve between each type groove for the conductive contact contact blade answered, the interval notch between each conduction tooth is for avoiding on contact blade
Each type groove.
Each conduction tooth is in the flange edge of conducting ring machining or be stamped to form.
The conducting ring of support plate is weldingly fixed on the periphery of conducting rod, the tooth top of conductive tooth is weldingly fixed on contact blade
Divide on valve.
Contact assembly has installed support plate additional between conducting rod and contact blade in the present invention, and the conductive tooth of support plate is in conduction
The end-tooth for conductive supporting contact blade is formed on ring so that the centre of contact blade is directly anchored on conducting rod, divides
Lobe position is supported by conductive tooth, and after the type groove in this way on contact blade is deepened, point lobe position still can be supported disk in conductive tooth
Conductive tooth supported, also ensure that the structural strength of entire contact assembly entirety, avoid contact blade divide valve transition overhang
The problem of.Meanwhile the face gear structure that entire support plate is presented so that electric current between support plate and contact blade can only be from
Conductive tooth is transmitted on point valve, without being transmitted between the conducting ring of support plate and the centre of contact blade, ensure that tactile
Point lobe position current strength of head piece is not suffered a loss, and also allowing for the induced field intensity of contact blade will not lose.
Description of the drawings
Fig. 1 is the structural schematic diagram of the embodiment of the vacuum interrupter of the present invention；
Fig. 2 is the structural schematic diagram of support plate in Fig. 1；
Fig. 3 is the matching relationship schematic diagram of support plate and contact blade in Fig. 1.
Specific implementation mode
The embodiment of vacuum interrupter in the present invention：As shown in Figure 1 to Figure 3, include two contacts of axially opposed division
The structure of component, two contact assemblies is identical, is made of conducting rod 1, support plate 2 and contact blade 3.
The structure of conducting rod 1 and contact blade 3 is identical as traditional structure of transverse magnetic field contact assembly.The end of conducting rod 1
Portion is provided with the shaft end thinner than middle part, and shaft end inserts the centre for being welded on discoidal contact blade 3, and defines contact blade 3
Connection conducting rod 1 shaft end one end end face be the back side, the opposite other end be front, with by two contact assemblies in an axial direction
Opposite division realize the divide-shut brake of entire vacuum interrupter.Axially uniformly distributed there are four being opened up on the periphery of contact blade 3
The type groove of fylfot, this four type grooves are the direct through groove for the both ends end face for penetrating through contact blade 3, and being in for contact blade 3 is adjacent
Entity part between type groove is to divide valve, these divide valve to drive by contact blade 3 and shrink electric arc and be rotated,
So that the heat dispersion that electric arc generates, avoids 3 ablation of contact blade.
Support plate 2 is added by stainless steel plate purl machine（Machine）Or punching flange（That is punching press）It forms, so that should
The contrate gear that support plate 2 is integrated the conducting ring 21 of setting and conductive tooth 22 forms.Conducting ring 21 is the annulus of rule, conductive
The female coaxial of ring 21 is weldingly fixed on the shaft end periphery of conducting rod 1, and the outer periphery of conducting ring 21 is along the slot for being in each type groove
At the half in deep direction.For cross-sectional shape, conductive tooth 22 is turning over to front fold at the edge of conducting ring 21
Side；For extending direction, which is the arc-shaped gear of the circumferentially extending along conducting ring 21.There are four conductive teeth 22, simultaneously
It is circumferentially spaced uniformly distributed at the edge of conducting ring 21, it is each it is conductive tooth 22 is corresponding is welded on the back side of each point of valve, and lead
The tooth top of electric tooth 22 and divide valve conductive contact；Interval notch between adjacent two conductive teeth 22 is escape port corresponding with type groove,
The escape port makes each conductive tooth 22 be corresponded with valve is divided.
In the above-described embodiments, conductive tooth is the flange at conducting ring edge, and in other embodiments, conductive tooth can also be
Boss on the end face for the conducting ring fixed or be wholely set, or even conductive tooth is the conduct piece being connected on conducting ring, such as
Conductive contact finger, power spring etc..Corresponding, conductive tooth is in the location of conducting ring, either edge, can also be center
Position, that is, the edge of conducting ring can expose from conductive tooth periphery.
In the above-described embodiments, support plate is weldingly fixed between conducting rod and contact blade, in other embodiments, support
The modes such as disk can also be connected through a screw thread, crimp, elastic conjunction are fixed between conducting rod and contact blade.
The embodiment of contact assembly in the present invention：Sets of contacts in the structure of contact assembly and above-described embodiment in the present embodiment
The structure of part is identical, therefore repeats no more.
The embodiment of support plate in the present invention：In the present embodiment in the structure of support plate and above-described embodiment support plate knot
Structure is identical, therefore repeats no more.
Claims (10)
1. support plate, which is characterized in that include the projection on conducting ring for being set with the conducting ring being fixed on the periphery of conducting rod
It is the flange to front fold at the edge of conducting ring to have circumferentially spaced conductive tooth, conductive tooth, and conductive tooth is in conduction
The end-tooth for conductive supporting contact blade is formed on ring, each conduction tooth is used for corresponding each point of valve for being welded on contact blade
The back side on, and the tooth top of each conductive tooth is respectively led for dividing valve between each type groove of corresponding conductive contact contact blade
Interval notch between electric tooth is for escape port that is corresponding with each type groove and being connected to corresponding type groove, and the interval notch is used for
Avoid each type groove on contact blade.
2. support plate according to claim 1, which is characterized in that each conduction tooth is in the machining of the edge of conducting ring or punching
Flange made of pressure.
3. support plate according to claim 1 or 2, which is characterized in that the endoporus of conducting ring is coaxially to be installed for conducting rod
Center hole, each conduction tooth is the arc-shaped gear extended around the axis direction of center hole, and each conductive tooth is in conducting ring
Same circumference on.
4. fixed contact blade on contact assembly, including conducting rod and its end, contact blade is equipped with fylfot or spiral
The type groove that is evenly distributed and divide valve between adjacent two type groove, and defines the end of one end that contact blade is connect with conducting rod
Face is the back side, the end face for coordinating with another contact assembly is front, which is characterized in that the back side of contact blade and conducting rod it
Between be fixed with support plate, support plate includes the conducting ring that suit is fixed on the periphery of conducting rod, is convexly equipped with along week on conducting ring
To the conductive tooth being spaced apart, conductive tooth is the flange to front fold, conductive tooth shape on conducting ring at the edge of conducting ring
At the end-tooth of conductive supporting contact blade, on the back side of the corresponding each point of valve for being welded on contact blade of each conduction tooth, and it is each
Divide valve, the interval notch between each conduction tooth between each type groove of the corresponding conductive contact contact blade of tooth top of conductive tooth
It is for escape port that is corresponding with each type groove and being connected to corresponding type groove, the interval notch is various on contact blade for avoiding
Slot.
5. contact assembly according to claim 4, which is characterized in that it is each conduction tooth be conducting ring edge machining or
The flange being stamped to form.
6. contact assembly according to claim 4 or 5, which is characterized in that the endoporus of conducting ring is coaxially to be worn for conducting rod
The center hole of dress, each conduction tooth is the arc-shaped gear extended around the axis direction of center hole, and each conductive tooth is in conduction
On the same circumference of ring.
7. contact assembly according to claim 4 or 5, which is characterized in that the conducting ring of support plate is weldingly fixed on conduction
On the periphery of bar, the tooth top of conductive tooth be weldingly fixed on the dividing on valve of contact blade.
8. vacuum interrupter, includes two contact assemblies for axially opposed division, contact assembly includes conducting rod and its end
Fixed contact blade on head, contact blade are equipped with fylfot or the spiral type groove being evenly distributed and are in adjacent two type groove
Between divide valve, and define one end that contact blade is connect with conducting rod end face be the back side, be used for and another contact assembly coordinate
End face be front, which is characterized in that be fixed with support plate between the back side and conducting rod of contact blade, support plate includes that suit is solid
The conducting ring being scheduled on the periphery of conducting rod, circumferentially spaced conductive tooth is convexly equipped on conducting ring, and conductive tooth is to lead
The flange that the edge of electric ring is turned down to front, conductive tooth form the end-tooth of conductive supporting contact blade, each conduction on conducting ring
On the back side of the corresponding each point of valve for being welded on contact blade of tooth, and the corresponding conductive contact of tooth top of each conductive tooth touches
Divide valve between each type groove of head piece, the interval notch between each conduction tooth be for it is corresponding with each type groove and with corresponding type groove company
Logical escape port, the interval notch are used to avoid each type groove on contact blade.
9. vacuum interrupter according to claim 8, which is characterized in that each conduction tooth is to be machined at the edge of conducting ring
Or the flange being stamped to form.
10. vacuum interrupter according to claim 8 or claim 9, which is characterized in that the conducting ring of support plate, which is weldingly fixed on, leads
On the periphery of electric pole, the tooth top of conductive tooth be weldingly fixed on the dividing on valve of contact blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510878513.7A CN105448586B (en) | 2015-12-04 | 2015-12-04 | Support plate and contact assembly, the vacuum interrupter for using the support plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510878513.7A CN105448586B (en) | 2015-12-04 | 2015-12-04 | Support plate and contact assembly, the vacuum interrupter for using the support plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105448586A CN105448586A (en) | 2016-03-30 |
| CN105448586B true CN105448586B (en) | 2018-07-27 |
Family
ID=55558668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510878513.7A Active CN105448586B (en) | 2015-12-04 | 2015-12-04 | Support plate and contact assembly, the vacuum interrupter for using the support plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105448586B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4695689A (en) * | 1984-11-22 | 1987-09-22 | Hitachi, Ltd. | Vacuum circuit breaker |
| CN103026444A (en) * | 2010-02-24 | 2013-04-03 | 三菱电机株式会社 | Vacuum valve |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201590373U (en) * | 2010-01-13 | 2010-09-22 | 锦州华光玻璃开关管有限公司 | Low-voltage big-breaking capacity ceramic vacuum switch tube |
| CN201622971U (en) * | 2010-01-13 | 2010-11-03 | 锦州华光玻璃开关管有限公司 | Longitudinal magnetic contact of bounce-proofing vacuum arc extinguish chamber |
| CN205282376U (en) * | 2015-12-04 | 2016-06-01 | 天津平高智能电气有限公司 | Supporting disk and use contact subassembly, vacuum interrupter of this supporting disk |
-
2015
- 2015-12-04 CN CN201510878513.7A patent/CN105448586B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4695689A (en) * | 1984-11-22 | 1987-09-22 | Hitachi, Ltd. | Vacuum circuit breaker |
| CN103026444A (en) * | 2010-02-24 | 2013-04-03 | 三菱电机株式会社 | Vacuum valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105448586A (en) | 2016-03-30 |
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