CN112582128B - Compact high-voltage large-current electromagnetic repulsion coil - Google Patents
Compact high-voltage large-current electromagnetic repulsion coil Download PDFInfo
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- CN112582128B CN112582128B CN202011390639.7A CN202011390639A CN112582128B CN 112582128 B CN112582128 B CN 112582128B CN 202011390639 A CN202011390639 A CN 202011390639A CN 112582128 B CN112582128 B CN 112582128B
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- metal layer
- cutting gap
- electromagnetic repulsion
- current electromagnetic
- metal
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F5/00—Coils
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F5/00—Coils
- H01F5/04—Arrangements of electric connections to coils, e.g. leads
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention discloses a compact high-voltage large-current electromagnetic repulsion coil, which comprises a valve metal disc, wherein a cutting gap is cut on the valve metal disc to form a coil winding, a guide hole is formed in the center of the valve metal disc, the cutting gap is positioned around the guide hole, an inner edge conducting ring is formed between the guide hole and the cutting gap, an outer edge conducting ring is formed between the cutting gap and the outer peripheral surface of the valve metal disc, a ceramic oxide layer and a transition metal layer are sequentially arranged on the surface of the valve metal disc and the inner wall of the cutting gap, and a high-conductivity metal layer is arranged on the transition metal layer in the cutting gap.
Description
Technical Field
The invention belongs to the technical field of high-voltage switches, and relates to a compact high-voltage large-current electromagnetic repulsion coil.
Background
In the technical field of high-voltage switches in recent years, electromagnetic repulsion mechanisms are widely applied, as key components of the repulsion mechanisms, driving coils of the electromagnetic repulsion mechanisms need to bear high-voltage and high-current impact in a discharging process, and the electromagnetic repulsion mechanisms have higher closing and opening speeds, so that the coils and insulating packages of the coils face larger mechanical impact, and the mechanical reliability and the insulating reliability of the coils and the insulating packages of the coils are greatly threatened.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a compact high-voltage high-current electromagnetic repulsion coil which has high insulating capacity, current carrying capacity and mechanical strength.
In order to achieve the purpose, the compact high-voltage large-current electromagnetic repulsion coil comprises a valve metal disc, wherein a cutting gap is formed in the valve metal disc in a linear cutting mode to form a coil winding, a guide hole is formed in the center of the valve metal disc, the cutting gap is located around the guide hole, an inner edge conducting ring is formed between the guide hole and the cutting gap, an outer edge conducting ring is formed between the cutting gap and the outer peripheral surface of the valve metal disc, a ceramic oxide layer and a transition metal layer are sequentially arranged on the surface of the valve metal disc and the inner wall of the cutting gap from outside to inside, and a metal layer is arranged on the transition metal layer in the cutting gap;
a first sinking groove structure is formed in the inner edge conducting ring, and a first conducting metal connecting piece is arranged in the first sinking groove structure and connected with one end of the metal layer;
and a second sinking groove structure is formed in the outer edge conducting ring, and a second conducting metal connecting piece is arranged in the second sinking groove structure and is connected with the other end of the metal layer.
The inner edge conducting ring and the outer edge conducting ring are both provided with soft connection mounting holes.
The first conductive metal connecting piece is connected with the metal layer in a welding, riveting or screw hole mode.
The second conductive metal connecting piece is connected with the metal layer in a welding, riveting or screw hole mode.
The melting point of the metal layer is lower than the melting points of the transition metal layer and the ceramic oxide layer.
The cutting gaps are in spiral structures distributed from inside to outside.
The invention has the following beneficial effects:
when the compact high-voltage large-current electromagnetic repulsion coil is specifically operated, a cutting gap is arranged on the valve metal disc to form a coil winding, then a ceramic oxide layer is arranged in the cutting gap, and meanwhile, a metal layer is arranged in the ceramic oxide layer to separate and form a parallel coil structure, wherein the volume overhead for insulation is reduced to the maximum extent except for the space occupied by the ceramic oxide layer, the effective current carrying volume of the coil winding is improved, the electrical characteristics of high voltage and large current are realized, and meanwhile, the cut metal components are re-solidified into an integral structure, so that the problem of insufficient mechanical strength of the coil winding is fundamentally solved.
Drawings
FIG. 1 is a cross-sectional view of the present invention;
fig. 2 is a schematic structural diagram of the present invention.
Wherein, 1 is a coil winding, 2 is a ceramic oxide layer, 3 is a transition metal layer, 4 is a metal layer, 5 is a guide hole, 6 is an inner edge conductive ring, 7 is a second sink groove structure, 8 is a first conductive metal connecting piece, 9 is an outer edge conductive ring, and 10 is a flexible connection mounting hole.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
referring to fig. 1 and 2, the compact high-voltage large-current electromagnetic repulsion coil of the present invention includes a valve metal disc, a cutting gap is cut on the valve metal disc to form a coil winding 1, a guide hole 5 is formed at a central position of the valve metal disc, wherein the cutting gap is located around the guide hole 5, an inner edge conductive ring 6 is formed between the guide hole 5 and the cutting gap, an outer edge conductive ring 9 is formed between the cutting gap and an outer circumferential surface of the valve metal disc, a ceramic oxide layer 2 and a transition metal layer 3 are sequentially disposed from outside to inside on a surface of the valve metal disc and an inner wall of the cutting gap, and a metal layer 4 is disposed on the transition metal layer 3 in the cutting gap; a first sinking groove structure is formed in the inner edge conducting ring 6, a first conductive metal connecting piece 8 is arranged in the first sinking groove structure, and the first conductive metal connecting piece 8 is connected with one end of the metal layer 4; the outer edge conducting ring 9 is provided with a second sinking groove structure 7, and a second conducting metal connecting piece is arranged in the second sinking groove structure 7, wherein the second conducting metal connecting piece is connected with the other end of the metal layer 4.
The inner edge conducting ring 6 and the outer edge conducting ring 9 are both provided with flexible connecting mounting holes 10; the first conductive metal connecting piece 8 is connected with the metal layer 4 in a welding, riveting or screw hole mode; the second conductive metal connecting piece is connected with the metal layer 4 through welding, riveting or screw hole screwing.
The melting point of the metal layer 4 is lower than the melting points of the transition metal layer 3 and the ceramic oxide layer 2; the cutting slit is of a spiral structure.
When the electromagnetic repulsion coil is used, the external driving unit is connected with the flexible connection mounting hole 10, and when current output by the external driving unit flows through the electromagnetic repulsion coil, electromagnetic eddy repulsion can be generated.
Claims (5)
1. A compact high-voltage large-current electromagnetic repulsion coil is characterized by comprising a valve metal disc, wherein a cutting gap is formed in the valve metal disc through linear cutting to form a coil winding (1), a guide hole (5) is formed in the center of the valve metal disc, the cutting gap is located around the guide hole (5), an inner edge conducting ring (6) is formed between the guide hole (5) and the cutting gap, an outer edge conducting ring (9) is formed between the cutting gap and the outer peripheral surface of the valve metal disc, a ceramic oxide layer (2) and a transition metal layer (3) are sequentially arranged on the surface of the valve metal disc and the inner wall of the cutting gap from outside to inside, and a metal layer (4) is arranged on the transition metal layer (3) in the cutting gap;
a first sinking groove structure is formed in the inner edge conducting ring (6), a first conducting metal connecting piece (8) is arranged in the first sinking groove structure, and the first conducting metal connecting piece (8) is connected with one end of the metal layer (4);
a second sinking groove structure (7) is formed in the outer edge conducting ring (9), a second conducting metal connecting piece is arranged in the second sinking groove structure (7), and the second conducting metal connecting piece is connected with the other end of the metal layer (4);
the melting point of the metal layer (4) is lower than the melting points of the transition metal layer (3) and the ceramic oxide layer (2).
2. The compact high-voltage high-current electromagnetic repulsion coil according to claim 1, characterized in that the inner conductive ring (6) and the outer conductive ring (9) are provided with flexible connection mounting holes (10).
3. The compact high-voltage high-current electromagnetic repulsion coil according to claim 1, characterized in that the first conductive metal connecting member (8) is connected with the metal layer (4) by welding, riveting or screw-threading.
4. A compact high-voltage high-current electromagnetic repulsion coil according to claim 1, characterized in that the second conductive metal connecting member is connected with the metal layer (4) by welding, riveting or screwing.
5. The compact high-voltage high-current electromagnetic repulsion coil according to claim 1, characterized in that the cutting slits are in a spiral structure distributed from inside to outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011390639.7A CN112582128B (en) | 2020-12-02 | 2020-12-02 | Compact high-voltage large-current electromagnetic repulsion coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011390639.7A CN112582128B (en) | 2020-12-02 | 2020-12-02 | Compact high-voltage large-current electromagnetic repulsion coil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112582128A CN112582128A (en) | 2021-03-30 |
| CN112582128B true CN112582128B (en) | 2022-05-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011390639.7A Active CN112582128B (en) | 2020-12-02 | 2020-12-02 | Compact high-voltage large-current electromagnetic repulsion coil |
Country Status (1)
| Country | Link |
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| CN (1) | CN112582128B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102750942A (en) * | 2011-04-20 | 2012-10-24 | 中国科学院声学研究所 | High-power electromagnetic pulse energy converter |
| CN105244199A (en) * | 2015-11-03 | 2016-01-13 | 国家电网公司 | Coil device as well as electromagnetic repulsion mechanism and quick switch adopting coil device |
| US20170194063A1 (en) * | 2015-12-31 | 2017-07-06 | Xiyu HUANG | Electromagnetic coil bobbin used in reactor as well as inner bobbin and outter shell |
| CN107993860A (en) * | 2017-12-13 | 2018-05-04 | 上海电气集团股份有限公司 | A kind of high-speed circuit breaker electromagnetic repulsion mechanism coil |
| CN111863472A (en) * | 2020-07-08 | 2020-10-30 | 西安交通大学 | Electromagnetic repulsion coil based on micro-arc oxidation mode |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2556118B2 (en) * | 1988-11-15 | 1996-11-20 | 三菱マテリアル株式会社 | Manufacturing method of superconducting ceramic coil by plasma |
| JPH03190114A (en) * | 1989-12-20 | 1991-08-20 | Mitsubishi Materials Corp | Manufacture of slice coil |
| JPH0696974A (en) * | 1992-09-10 | 1994-04-08 | Nippon Filcon Co Ltd | Production of sheet coil |
| JP3748134B2 (en) * | 1996-09-20 | 2006-02-22 | 株式会社安川電機 | Sheet coil type resolver |
-
2020
- 2020-12-02 CN CN202011390639.7A patent/CN112582128B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102750942A (en) * | 2011-04-20 | 2012-10-24 | 中国科学院声学研究所 | High-power electromagnetic pulse energy converter |
| CN105244199A (en) * | 2015-11-03 | 2016-01-13 | 国家电网公司 | Coil device as well as electromagnetic repulsion mechanism and quick switch adopting coil device |
| US20170194063A1 (en) * | 2015-12-31 | 2017-07-06 | Xiyu HUANG | Electromagnetic coil bobbin used in reactor as well as inner bobbin and outter shell |
| CN107993860A (en) * | 2017-12-13 | 2018-05-04 | 上海电气集团股份有限公司 | A kind of high-speed circuit breaker electromagnetic repulsion mechanism coil |
| CN111863472A (en) * | 2020-07-08 | 2020-10-30 | 西安交通大学 | Electromagnetic repulsion coil based on micro-arc oxidation mode |
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| Publication number | Publication date |
|---|---|
| CN112582128A (en) | 2021-03-30 |
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