阅读说明：本技术 一种紧凑型高电压大电流电磁斥力线圈 (Compact high-voltage large-current electromagnetic repulsion coil ) 是由 翟小社 王建华 于 2020-12-02 设计创作，主要内容包括：本发明公开了一种紧凑型高电压大电流电磁斥力线圈,包括阀性金属圆盘,所述阀性金属圆盘上线切割有切割缝隙,以形成线圈绕组,阀性金属圆盘的中心位置处开设有导向孔,其中,切割缝隙位于导向孔的周围,导向孔与切割缝隙之间形成内缘导电环,切割缝隙与阀性金属圆盘的外周面之间形成外缘导电环,阀性金属圆盘的表面及切割缝隙的内壁上均依次设置有陶瓷氧化层及过渡金属层,切割缝隙内的过渡金属层上设置有高导电率金属层,该线圈具有较强的绝缘能力、载流能力及机械强度。(The invention discloses a compact high-voltage large-current electromagnetic repulsion coil, which comprises a valve metal disc, wherein a cutting gap is formed in the valve metal disc through linear cutting 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.)

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, and a high-conductivity 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 high-conductivity metal layer (4);

and a second sinking groove structure (7) is formed in the outer edge conducting ring (9), and a second conducting metal connecting piece is arranged in the second sinking groove structure (7) and is connected with the other end of the high-conductivity metal layer (4).

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 connector (8) is connected with the high-conductivity metal layer (4) by welding, riveting or screwing.

4. The 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 high-conductivity metal layer (4) by welding, riveting or screwing.

5. A compact high voltage high current electromagnetic repulsion coil according to claim 1, characterized in that the melting point of the high conductivity metal layer (4) is lower than the melting point of the transition metal layer (3) and the ceramic oxide layer (2).

6. 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.

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, and a high-conductivity 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 conductive metal connecting piece is arranged in the first sinking groove structure and connected with one end of the high-conductivity 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 high-conductivity metal layer.

The inner edge conducting ring and the outer edge conducting ring are provided with flexible connection mounting holes.

The first conductive metal connecting piece is connected with the high-conductivity metal layer in a welding, riveting or screw hole mode.

The second conductive metal connecting piece is connected with the high-conductivity metal layer in a welding, riveting or screw hole mode.

The melting point of the high-conductivity metal layer is lower than that 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 high-conductivity metal layer is arranged in the ceramic oxide layer to form a parallel coil structure in a separated mode.

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 high-conductivity metal layer, 5 is a guide hole, 6 is an inner edge conductive ring, 7 is a second sink 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 according to 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 on a surface of the valve metal disc and an inner wall of the cutting gap, and a high-conductivity 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 high-conductivity metal layer 4; the outer edge conductive ring 9 is provided with a second sinking groove structure 7, and a second conductive metal connecting piece is arranged in the second sinking groove structure 7, wherein the second conductive metal connecting piece is connected with the other end of the high-conductivity 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 high-conductivity metal layer 4 in a welding, riveting or screw hole mode; the second conductive metal connecting piece is connected with the high-conductivity metal layer 4 through welding, riveting or screw hole screwing.

The melting point of the high-conductivity metal layer 4 is lower than the melting points of the transition metal layer 3 and the ceramic oxide layer 2; the cutting gaps are in spiral structures distributed from inside to outside.

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.