CN203983146U - The horizontal magnetic structure of contact terminal of vacuum interrupter and electrode thereof and cup-shaped - Google Patents
The horizontal magnetic structure of contact terminal of vacuum interrupter and electrode thereof and cup-shaped Download PDFInfo
- Publication number
- CN203983146U CN203983146U CN201420042722.9U CN201420042722U CN203983146U CN 203983146 U CN203983146 U CN 203983146U CN 201420042722 U CN201420042722 U CN 201420042722U CN 203983146 U CN203983146 U CN 203983146U
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- China
- Prior art keywords
- cup
- horizontal magnetic
- contact
- magnetic contact
- shaped
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- Expired - Lifetime
Links
- 230000003068 static effect Effects 0.000 claims abstract description 11
- 238000009413 insulation Methods 0.000 claims abstract description 5
- 238000003754 machining Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010891 electric arc Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- ZTXONRUJVYXVTJ-UHFFFAOYSA-N chromium copper Chemical group [Cr][Cu][Cr] ZTXONRUJVYXVTJ-UHFFFAOYSA-N 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The utility model relates to the horizontal magnetic structure of contact terminal of a kind of vacuum interrupter and electrode and cup-shaped thereof, wherein vacuum interrupter comprises insulation crust and dynamic and static electrode, moving electrode comprises moving conductive rod and is fixedly installed the horizontal magnetic contact of cup-shaped thereon, stationary electrode comprises static conductive rod and is fixedly installed is the horizontal magnetic contact of cup-shaped thereon, the horizontal magnetic contact of cup-shaped comprises horizontal magnetic contact cup and is fixed on horizontal magnetic contact rim of a cup along upper annular contact blade, on the perisporium of described horizontal magnetic contact cup, along being circumferentially evenly equipped with three skewed slots, in horizontal magnetic contact cup, be provided with contact blade strutting piece.The utility model has reduced machining time, has improved mechanical strength and the specified through-current capability of contact, has reduced the resistance of galvanic circle.
Description
Technical field
The utility model relates to a kind of vacuum interrupter.
Background technology
Vacuum interrupter is the core component of vacuum switch, it mainly comprises the parts such as insulation crust, galvanic circle and shielding harness, wherein, galvanic circle is comprised of dynamic and static electrode, and dynamic and static electrode consists of corresponding conducting rod and the contact being fixedly installed on conducting rod.Because contact is the position that produces electric arc and extinguish arcs, so the structure of contact has a great impact the ability of arc control device drop-out current, existing drop-out current 31.5kA and following vacuum switch extensively adopt the horizontal magnetic contact of cup-shaped, this contact is mainly by horizontal magnetic contact cup, contact blade and be arranged in the supporting disk that contact cup supports contact blade and form, the material of contact blade is chromiumcopper, the material of contact cup is oxygen-free copper, the material of supporting disk is the stainless steel that conductance is very low, contact blade be cirque structure be welded on contact cup rim of a cup along on end face, on the perisporium of contact cup, there is uniformly at intervals skewed slot at an angle, skewed slot is divided into some circles by contact cup perisporium, the number of turn equates with skewed slot quantity, the cost of the number of the number of turn to contact cup, inclination angle and the rotation wrap angle of mechanical strength and skewed slot all have a great impact, and the inclination angle of skewed slot and rotation wrap angle play decisive action to magnetic field.At present the horizontal magnetic contact of cup-shaped is generally used 8-16 circle structure, and this contact exists that machining time is long, galvanic circle resistance ratio is large and the defect such as mechanical strength is lower.
Utility model content
The purpose of this utility model is to provide the horizontal magnetic structure of contact terminal of vacuum interrupter cup-shaped that a kind of machining time is short, galvanic circle resistance is little and mechanical strength is high.The utility model provides vacuum interrupter electrode and the vacuum interrupter that uses this structure of contact terminal simultaneously.
For achieving the above object, the horizontal magnetic structure of contact terminal of the utility model vacuum interrupter cup-shaped adopts following technical scheme: the horizontal magnetic structure of contact terminal of vacuum interrupter cup-shaped, comprise horizontal magnetic contact cup and be fixed on horizontal magnetic contact rim of a cup along upper annular contact blade, on the perisporium of described horizontal magnetic contact cup, along being circumferentially evenly equipped with three skewed slots, in horizontal magnetic contact cup, be provided with contact blade strutting piece.
Described strutting piece is for supporting body, and the external diameter and the horizontal magnetic contact cup internal diameter that support body are suitable.
Between described support body and horizontal magnetic contact cup, it is matched in clearance.
The utility model vacuum interrupter electrode adopts following technical scheme: vacuum interrupter electrode, comprise conducting rod and be fixedly installed on the horizontal magnetic contact of cup-shaped on conducting rod, horizontal magnetic contact comprises horizontal magnetic contact cup and is fixed on horizontal magnetic contact rim of a cup along upper annular contact blade, on the perisporium of described horizontal magnetic contact cup, along being circumferentially evenly equipped with three skewed slots, in horizontal magnetic contact cup, be provided with contact blade strutting piece.
Described strutting piece is for supporting body, and the external diameter and the horizontal magnetic contact cup internal diameter that support body are suitable.
Between described support body and horizontal magnetic contact cup, it is matched in clearance.
Described horizontal magnetic contact cup and conducting rod are structure as a whole.
The utility model vacuum interrupter adopts following technical scheme: vacuum interrupter, comprise insulation crust and dynamic and static electrode, moving electrode comprises moving conductive rod and is fixedly installed the horizontal magnetic contact of cup-shaped thereon, stationary electrode comprises static conductive rod and is fixedly installed the horizontal magnetic contact of cup-shaped thereon, the horizontal magnetic contact of cup-shaped comprises horizontal magnetic contact cup and is fixed on horizontal magnetic contact rim of a cup along upper annular contact blade, on the perisporium of described horizontal magnetic contact cup, along being circumferentially evenly equipped with three skewed slots, in horizontal magnetic contact cup, be provided with contact blade strutting piece.
Described strutting piece is for supporting body, and the external diameter and the horizontal magnetic contact cup internal diameter that support body are suitable.
Described horizontal magnetic contact cup and conducting rod are structure as a whole.
The utility model is offered three skewed slots on horizontal magnetic contact cup, contact cup cup body perisporium is divided into three circle structures, do not increasing under the prerequisite of contact diameter and arc control device volume, three circle structures have reduced machining time on the one hand, improved the mechanical strength of contact, increased on the other hand conductive area, reduced the resistance of galvanic circle, improved the specified through-current capability of the horizontal magnetic contact of cup-shaped, the third aspect, because fluting is less, increased the radial component of electric current, improved the magnetic field intensity between contact, thereby improved the ability of vacuum interrupter drop-out current.
Accompanying drawing explanation
Fig. 1 is the structural representation of galvanic circle part in a kind of embodiment of the utility model vacuum interrupter;
Fig. 2 is the structural representation that supports body in Fig. 1;
Fig. 3 is the structural representation of horizontal magnetic contact cup in Fig. 1;
Fig. 4 is the structural representation of contact blade in Fig. 1.
Embodiment
Vacuum interrupter embodiment of the present utility model: it mainly comprises insulation crust, galvanic circle and shielding harness, assembly relation between them is same as the prior art, wherein, galvanic circle comprises dynamic and static electrode, the structure of two electrodes as Figure 1-4, moving electrode is comprised of moving conductive rod 2 and the horizontal magnetic contact 4 of cup-shaped being fixedly installed on moving conductive rod, stationary electrode is comprised of static conductive rod 1 and the horizontal magnetic contact 3 of cup-shaped being fixedly installed on static conductive rod, and the agent structure of the horizontal magnetic contact of two cup-shapeds is identical.
In the present embodiment, the horizontal magnetic contact of cup-shaped comprises horizontal magnetic contact cup and is weldingly fixed on horizontal magnetic contact rim of a cup along the annular contact blade 5 on end face, in horizontal magnetic contact cup, be provided with the strutting piece 6 for supports contacts sheet, this strutting piece adopts support set body structure, and the external diameter and the horizontal magnetic contact cup internal diameter that support body are suitable, guarantee that support set body can successfully be assembled in horizontal magnetic contact cup, in the present embodiment, support between body and horizontal magnetic contact cup is matched in clearance, thereby can play support effect better, axially contact blade is played a supporting role, radially the finger ring of horizontal magnetic contact cup is played to positioning supports effect, prevent the distortion of contact cup, on the perisporium of described horizontal magnetic contact cup, along being circumferentially evenly equipped with three, by cup body perisporium root, tilted to extend upwardly to rim of a cup along the skewed slot 7 on end face, three skewed slots are divided into three circle structures by cup body perisporium, when galvanic circle is connected, electric current enters horizontal magnetic contact by conducting rod, and electric current flows into three finger rings of another horizontal magnetic contact by three finger rings of a horizontal magnetic contact through contact blade, when two contacts are separated, between two contacts, produce transverse magnetic, electric arc rotates along contact blade 5 under the effect of Lorentz force.In the present embodiment, two horizontal magnetic contact cups are all made integrative-structure with corresponding conducting rod, and horizontal magnetic contact cup structure is directly processed in the one end that is about to conducting rod.
The embodiment of vacuum interrupter electrode of the present utility model is identical with moving electrode or stationary electrode structure in above-mentioned vacuum interrupter embodiment, no longer repeats herein.
The embodiment of the horizontal magnetic structure of contact terminal of vacuum interrupter cup-shaped of the present utility model is identical with the structure of the horizontal magnetic contact of cup-shaped in above-mentioned vacuum interrupter embodiment, no longer repeats herein.
In the various embodiments described above, the material of horizontal magnetic contact cup and contact blade 5, strutting piece 6 is identical with prior art.The ring body structurc of strutting piece 6 can adopt supporting disk of the prior art to substitute.In addition, horizontal magnetic contact cup and conducting rod can also adopt the structure being fixed together by welding again after independent making respectively.
Claims (6)
1. the horizontal magnetic structure of contact terminal of vacuum interrupter cup-shaped, comprise horizontal magnetic contact cup and be fixed on horizontal magnetic contact rim of a cup along upper annular contact blade, it is characterized in that: on the perisporium of described horizontal magnetic contact cup, along being circumferentially evenly equipped with three skewed slots, in horizontal magnetic contact cup, be provided with contact blade strutting piece.
2. vacuum interrupter electrode, comprise conducting rod and be fixedly installed on the horizontal magnetic contact of cup-shaped on conducting rod, horizontal magnetic contact comprises horizontal magnetic contact cup and is fixed on horizontal magnetic contact rim of a cup along upper annular contact blade, it is characterized in that: on the perisporium of described horizontal magnetic contact cup, along being circumferentially evenly equipped with three skewed slots, in horizontal magnetic contact cup, be provided with contact blade strutting piece.
3. vacuum interrupter electrode according to claim 2, is characterized in that: described strutting piece is for supporting body, and the external diameter and the horizontal magnetic contact cup internal diameter that support body are suitable.
4. vacuum interrupter electrode according to claim 3, is characterized in that: between described support body and horizontal magnetic contact cup, be matched in clearance.
5. vacuum interrupter, comprise insulation crust and dynamic and static electrode, moving electrode comprises moving conductive rod and is fixedly installed the horizontal magnetic contact of cup-shaped thereon, stationary electrode comprises static conductive rod and is fixedly installed the horizontal magnetic contact of cup-shaped thereon, the horizontal magnetic contact of cup-shaped comprises horizontal magnetic contact cup and is fixed on horizontal magnetic contact rim of a cup along upper annular contact blade, it is characterized in that: on the perisporium of described horizontal magnetic contact cup, along being circumferentially evenly equipped with three skewed slots, in horizontal magnetic contact cup, be provided with contact blade strutting piece.
6. vacuum interrupter according to claim 5, is characterized in that: described strutting piece is for supporting body, and the external diameter and the horizontal magnetic contact cup internal diameter that support body are suitable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420042722.9U CN203983146U (en) | 2014-01-23 | 2014-01-23 | The horizontal magnetic structure of contact terminal of vacuum interrupter and electrode thereof and cup-shaped |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420042722.9U CN203983146U (en) | 2014-01-23 | 2014-01-23 | The horizontal magnetic structure of contact terminal of vacuum interrupter and electrode thereof and cup-shaped |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203983146U true CN203983146U (en) | 2014-12-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420042722.9U Expired - Lifetime CN203983146U (en) | 2014-01-23 | 2014-01-23 | The horizontal magnetic structure of contact terminal of vacuum interrupter and electrode thereof and cup-shaped |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203983146U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104701068A (en) * | 2015-03-12 | 2015-06-10 | 西安交通大学 | Contact of transverse magnetic field of novel vacuum arc-extinguishing chamber |
-
2014
- 2014-01-23 CN CN201420042722.9U patent/CN203983146U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104701068A (en) * | 2015-03-12 | 2015-06-10 | 西安交通大学 | Contact of transverse magnetic field of novel vacuum arc-extinguishing chamber |
| CN104701068B (en) * | 2015-03-12 | 2015-12-02 | 西安交通大学 | A kind of Novel vacuum interrupter transverse magnetic field contact |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141203 |