CN103903838A - Compact-type inductance-integrated electrode and processing method thereof - Google Patents
Compact-type inductance-integrated electrode and processing method thereof Download PDFInfo
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- CN103903838A CN103903838A CN201410119380.0A CN201410119380A CN103903838A CN 103903838 A CN103903838 A CN 103903838A CN 201410119380 A CN201410119380 A CN 201410119380A CN 103903838 A CN103903838 A CN 103903838A
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- 238000003672 processing method Methods 0.000 title claims abstract description 9
- 238000005520 cutting process Methods 0.000 claims abstract description 26
- 238000009413 insulation Methods 0.000 claims abstract description 25
- 230000005684 electric field Effects 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 16
- 239000007787 solid Substances 0.000 claims abstract description 9
- 229910001369 Brass Inorganic materials 0.000 claims description 8
- 239000010951 brass Substances 0.000 claims description 8
- 230000007704 transition Effects 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 238000005498 polishing Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 7
- 230000002708 enhancing effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
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Abstract
The invention provides a compact-type inductance-integrated electrode and a processing method thereof. The compact-type inductance-integrated electrode comprises an electrode tip, an electrode chassis and an inductance unit which is arranged between the electrode tip and the electrode chassis. The electrode chassis is of a circular ring structure. The inductance unit comprises a semicircular ring inductor which is parallel to the electrode chassis, one end of the semicircular ring inductor is connected with the electrode tip through an inductor support section, and the other end of the same is connected with the electrode chassis. The inductor support sections are satisfactory to requirements of inductance insulation performance in height and can be placed in insulation gas or liquid to form a switch. The inductor support section is firstly processed by adopting a solid cone and the electrode tip and is then processed into a hollow cone, and finally the process of linear cutting can be realized; all electric field enhancement points are subjected to one-time cutting smooth processing during the linear cutting process; processing difficulty is lowered, and mechanical strength and electric-field insulating intensity of an inductance section are guaranteed; the best inductance insulation performance can be obtained.
Description
Technical field
The invention belongs to a kind of compact type electric inductance integrated electrode and processing method thereof, be specifically related to a kind of compact-type high-pressure switch of the forward position regulation technology for large-scale fast forward position electromagnetic impulse source.
Background technology
Switch is the Primary Component in Pulse Power Techniques field, and it is connecting energy storage device and load.The performance impact of switch rise time, shape and the amplitude of output voltage waveforms.The high-voltage switch gear being applied in pulse power field has gas switch, vacuum switch, semiconductor switch, mechanical switch etc., and different application scenarios is also different to the requirement of switch performance and type.In the electromagnetic impulse source of large-scale fast forward position, often require controlled, high withstand voltage, the compact conformation of switched inductors, control simple and reliable etc.
In conventional pulse-power apparatus, the general and inductance of switch designs respectively, is connected in circuit.The normal two electrode symmetric designs that adopt of switch, inside fill insulating gas or liquid, and switched inductors, by structures shape, can not regulate; The inductance sealing in switch loop generally adopt the external conductor lines of insulator surface cutting around surface insulation structure, must adopt surface insulation threshold value to consider, make this structure inductance heaviness, require insulation distance longer, cause that the volume of equipment is large and output-index is uncontrollable.Such switch loop structure needs enough spaces to settle respectively each parts, so switch loop structure volume is larger, that cannot do is very compact.Meanwhile, inductance adopts surface insulation may significantly reduce dielectric strength, and insulation damages easily occurs.
In the facility environment requiring at high voltage, highfield, the volume in General Requirements switch loop is as far as possible little.Because the volume meeting bigger than normal of switch loop causes insulator bulky, the series of problems such as manufacturing cost increase.And requiring to export in the electromagnetic impulse source in fast forward position, it is very difficult that the thinking that adopts electrode, inductance to design respectively regulates the output pulse front edge of electromagnetic pulse dummy source, technically with in manufacturing cost, be all worthless.
Summary of the invention
For the problems referred to above, the invention provides a kind of structure compacter, compact type electric inductance integrated electrode and processing method thereof that inductance insulation property are good, adopt inductor integrated mentality of designing.
The technology scheme of determining of the present invention is:
A kind of compact type electric inductance integrated electrode, its special character is:
Comprise electrode tip, electrode chassis and be arranged on electrode tip and electrode chassis between inductance unit;
Described electrode chassis is cirque structure;
Described inductance unit comprises a semicircle ring-shaped inductors; Described semicircle ring-shaped inductors is parallel with electrode chassis, and its one end is connected with electrode tip by inductance supporting section, and its other end is connected with electrode chassis; The height of described inductance supporting section meets the requirement of inductance insulation property;
Described electrode tip, semicircle semicircle ring-shaped inductors, inductance supporting section form an open circles conical surface layout.
The tip end surface rounding off of above-mentioned electrode tip, forms the slightly non-uniform electric field that electric field nonuniformity coefficient is less than 2; Between described electrode tip and inductance supporting section, between inductance supporting section and semicircle ring-shaped inductors, between inductance supporting section and electrode chassis, be the transition structure of fillet line cutting.
The cone angle scope of above-mentioned open circles conical surface structure is 15～60 degree angles.
Above-mentioned electrode tip, electrode chassis, inductance unit adopt stainless steel or brass.
A kind of compact type electric inductance integrated electrode, its special character is:
Comprise electrode tip, electrode chassis and be arranged on electrode tip and electrode chassis between inductance unit;
Described electrode chassis is cirque structure;
Described inductance unit comprises at least two semicircle ring-shaped inductors; Described semicircle ring-shaped inductors is parallel with electrode chassis; Between adjacent described semicircle ring-shaped inductors, phase angle differs 180 degree; Between adjacent described semicircle ring-shaped inductors, join end to end by inductance supporting section; The other end of the semicircle ring-shaped inductors of top is connected with electrode tip by inductance supporting section, and the other end of the semicircle ring-shaped inductors of bottommost is connected with electrode chassis by inductance supporting section; The height of described inductance supporting section meets the requirement of inductance insulation property;
Described electrode tip, semicircle semicircle ring-shaped inductors, inductance supporting section form an open circles conical surface layout.
The tip end surface rounding off of above-mentioned electrode tip, forms the slightly non-uniform electric field that electric field nonuniformity coefficient is less than 2; Between described electrode tip and inductance supporting section, between inductance supporting section and semicircle ring-shaped inductors, between inductance supporting section and electrode chassis, be the transition structure of fillet line cutting.
The cone angle scope of above-mentioned open circles conical surface structure is 15～60 degree angles.
Above-mentioned electrode tip, electrode chassis, inductance unit adopt stainless steel or brass.
The processing method of above-mentioned compact type electric inductance integrated electrode, is characterized in that: comprise the following steps:
1) first process the solid circular cone of electrode tip and electrode tip below;
2) according to thickness requirement, solid circular cone is emptied into hollow cone;
3) adopt the technique of line cutting to cut out semicircle ring-shaped inductors and inductance supporting section;
4) form compact type electric inductance integrated electrode.
Said method also comprises the step of carrying out the rounding off of all seamed edges and the polishing of electrode surface after line cutting.
Advantage of the present invention is:
1, the present invention has realized inductance under high voltage, strong electric field condition and the integral structure of electrode, makes electrode loop structure compacter, and self inductance is controlled.Can be applicable in the facility environment of high voltage, highfield, small size requirement, for example, in high-voltage switch gear.
2, inductance main part of the present invention adopts body to puncture the form of insulation, and electric field is strengthened to point has carried out round and smooth processing, and the volume of inductance section is reduced greatly, and dielectric strength obtained larger lifting, thereby reaches the object that improves withstand voltage and cramped construction.
3, the processing of inductance segment electrode of the present invention adopts and first processes solid conical and electrode tip, is reprocessed into the hollow conical surface, and the technique of finally carrying out line cutting realizes; And in cutting on line process, all electric fields enhancing points are carried out to the round and smooth processing of disposable cutting; Thereby reduce difficulty of processing, and ensured mechanical strength and the electric field dielectric strength of inductance section.Practical application proves, switched inductors section is born electric power and is greater than 370N, and mechanical deformation does not occur; Switch is under 2.5MV pulse voltage, and insulation breakdown does not occur inductance section.
4, main body electrode of the present invention adopts brass, can improve switch and puncture stability under pulse voltage, can reduce the difficulty in the course of processing simultaneously.
5, the present invention is coaxial but nonaxisymmetric structure has stronger expandability; Can adopt the mode of multistage inductance section series connection to carry out adjustment of inductance.
6, electrode of the present invention can adapt to the operational environment of the inner compactness of large-scale electromagnetic pulse analogue means, complexity and gas pressure wide variation; The forward position that can meet forward position 1-a few ns pulse voltages regulates.
Brief description of the drawings
Fig. 1 is the inductor integrated electrode structure schematic diagram of the present invention;
Fig. 2 is the inductor integrated electrode schematic three dimensional views of the present invention;
Fig. 3 is inductance insulation schematic diagram of the present invention;
Reference numeral is as follows: 1-electrode tip, 2-semicircle ring-shaped inductors, 21-the first semicircle ring-shaped inductors, 22-the second semicircle ring-shaped inductors, 3-inductance supporting section, 4-electrode chassis, 5-inductance insulation fillet.
Embodiment
As shown in Figure 1, a kind of compact type electric inductance integrated electrode of the present invention comprise electrode tip 1, electrode chassis 4 and be arranged on electrode tip and electrode chassis between inductance unit; Electrode chassis is cirque structure; Inductance unit comprises a semicircle ring-shaped inductors 2; Semicircle ring-shaped inductors is parallel with electrode chassis, and its one end is connected with electrode tip by inductance supporting section, and its other end is connected with electrode chassis; The height of 2 sense supporting sections meet the requirement of inductance insulation property, can be placed in insulating gas or liquid forms switch.Electrode is processed by the brass material of high conductivity, nonferromagnetic material.Eletrode tip surface rounding off, forms the slightly non-uniform electric field that electric field nonuniformity coefficient is less than 2.
The overall structure of electrode of the present invention adopts the bipyramid structure of mating with load request, and bipyramid becomes 15～60 degree angles with axle center.According to the computing formula of bipyramid impedance, can obtain, adopt the load impedance of this electrode, can make it consistent with equipment output loading requirement.
The design of electrode inductance section of the present invention concentrates on the supporting section of electrode tip.Electrode meets by one section the hollow cone support structure that degree of load angle requires, and adopts wire cutting technology to make two sections or several sections of semi arch inductance 2 on this hollow cone surface, and in all transition structures, adopts fillet line cutting.Two sections of inductance adopt series aiding connection structure on circuit, and every section of inductance all carries out round-corner transition processing along the conical surface, to obtain best inductance insulation property.Its processing technology is: first process electrode tip and solid circular cone supporting section; Then according to thickness requirement, conical section is emptied into hollow cone; The 3rd step adopts the technique of line cutting to cut out inductance section and inductance supporting section; The 4th step is carried out the polishing of rounding off and the electrode surface of all seamed edges.
Referring to Fig. 1, electrode of the present invention is made up of jointly the inductance section of electrode tip and support electrode head.Wherein inductance section can be made up of the semi arch inductance of one section, two sections or several sections electric current series aiding connection, has extensibility.Electrode material can adopt stainless steel or brass, and interim brass electrode has better processing characteristics and punctures stability.
Referring to Fig. 2, the present invention adopts wire cutting technology to make two sections of semi arch inductance on this hollow cone surface, and every section of inductance adopts series aiding connection structure on circuit.The processing of inductance segment electrode of the present invention adopts first solid conical and electrode tip, is reprocessed into the hollow conical surface, and the technique of finally carrying out line cutting realizes; And in cutting on line process, all electric fields enhancing points are carried out to the round and smooth processing of disposable cutting; Thereby reduce difficulty of processing, and ensured mechanical strength and the electric field dielectric strength of inductance section.To obtain best inductance insulation property.
Referring to Fig. 3, electrode inductance section insulation of the present invention mainly carrys out optimal design by the electric field centrostigma round-corner transition of two sections of inductance, taking the structure of two sections of semicircle inductance as example, distribute redundancy and insulation distance by the size of inductance and the pulse voltage of bearing thereof, such as the insulating properties of whole electrode requires as 70NH, vertically insulated distance h 1 between the first semicircle ring-shaped inductors and the second semicircle ring-shaped inductors is not less than 20mm so, if the insulating properties between electrode tip and the first semicircle ring-shaped inductors requires as 18.6NH, vertically insulated distance h 2 between electrode tip and the first semicircle ring-shaped inductors is not less than 10mm so, if the insulating properties between the second semicircle ring-shaped inductors and electrode domain requires as 51.4NH, the vertically insulated distance h 3 between the second semicircle ring-shaped inductors and electrode domain is not less than 14mm so.
Operation principle of the present invention is:
In the time that high-voltage pulse arrives, between switch positive and negative electrode, produce highfield, cause switch main gap to puncture, inductance and bipyramid load are accessed in switch loop simultaneously, and then realize inductance and load in little space in place in circuit.Now, the voltage drop of electrode inductance section and the value of every section of inductance and to be carried in the rate of change of its electric current of two sections relevant, must carry out design and the check of dielectric strength.After pulse voltage disappears, the blow-out of switch main gap, switch returns to state of insulation, and the voltage drop of electrode inductance section disappears.
The integral structure of inductance and electrode:
The overall structure of electrode of the present invention adopts and inductor integrated mentality of designing, and the supporting section of electrode adopts the form of semicircle ring-shaped inductors semicircle series connection, considers inductance insulation property and carry out electric field design according to different dielectrics between each semicircle.
The processing method of electrode:
The present invention adopts wire cutting technology to make two sections of semi arch inductance on this hollow cone surface, and every section of inductance adopts series aiding connection structure on circuit.The processing of inductance segment electrode of the present invention adopts first solid conical and electrode tip, is reprocessed into the hollow conical surface, and the technique of finally carrying out line cutting realizes; And in cutting on line process, all electric fields enhancing points are carried out to the round and smooth processing of disposable cutting; Thereby reduce difficulty of processing, and ensured mechanical strength and the electric field dielectric strength of inductance section.To obtain best inductance insulation property.
The thought that electrode inductance is controlled:
By regulating the diameter of electrode inductance section and the quantity of semicircle inductance can realize the control to electrode inductance.
Claims (10)
1. a compact type electric inductance integrated electrode, is characterized in that:
Comprise electrode tip, electrode chassis and be arranged on electrode tip and electrode chassis between inductance unit;
Described electrode chassis is cirque structure;
Described inductance unit comprises a semicircle ring-shaped inductors; Described semicircle ring-shaped inductors is parallel with electrode chassis, and its one end is connected with electrode tip by inductance supporting section, and its other end is connected with electrode chassis; The height of described inductance supporting section meets the requirement of inductance insulation property;
Described electrode tip, semicircle semicircle ring-shaped inductors, inductance supporting section form an open circles conical surface layout.
2. compact type electric inductance integrated electrode according to claim 1, is characterized in that: the tip end surface rounding off of described electrode tip, forms the slightly non-uniform electric field that electric field nonuniformity coefficient is less than 2; Between described electrode tip and inductance supporting section, between inductance supporting section and semicircle ring-shaped inductors, between inductance supporting section and electrode chassis, be the transition structure of fillet line cutting.
3. compact type electric inductance integrated electrode according to claim 1 and 2, is characterized in that: the cone angle scope of described open circles conical surface structure is 15～60 degree angles.
4. compact type electric inductance integrated electrode according to claim 3, is characterized in that: described electrode tip, electrode chassis, inductance unit adopt stainless steel or brass.
5. a compact type electric inductance integrated electrode, is characterized in that:
Comprise electrode tip, electrode chassis and be arranged on electrode tip and electrode chassis between inductance unit;
Described electrode chassis is cirque structure;
Described inductance unit comprises at least two semicircle ring-shaped inductors; Described semicircle ring-shaped inductors is parallel with electrode chassis; Between adjacent described semicircle ring-shaped inductors, phase angle differs 180 degree; Between adjacent described semicircle ring-shaped inductors, join end to end by inductance supporting section; The other end of the semicircle ring-shaped inductors of top is connected with electrode tip by inductance supporting section, and the other end of the semicircle ring-shaped inductors of bottommost is connected with electrode chassis by inductance supporting section; The height of described inductance supporting section meets the requirement of inductance insulation property;
Described electrode tip, semicircle semicircle ring-shaped inductors, inductance supporting section form an open circles conical surface layout.
6. compact type electric inductance integrated electrode according to claim 5, is characterized in that: the tip end surface rounding off of described electrode tip, forms the slightly non-uniform electric field that electric field nonuniformity coefficient is less than 2; Between described electrode tip and inductance supporting section, between inductance supporting section and semicircle ring-shaped inductors, between inductance supporting section and electrode chassis, be the transition structure of fillet line cutting.
7. according to the compact type electric inductance integrated electrode described in claim 5 or 6, it is characterized in that: the cone angle scope of described open circles conical surface structure is 15～60 degree angles.
8. compact type electric inductance integrated electrode according to claim 7, is characterized in that: described electrode tip, electrode chassis, inductance unit adopt stainless steel or brass.
9. the processing method of compact type electric inductance integrated electrode described in claim 1 to 8, is characterized in that: comprise the following steps:
1) first process the solid circular cone of electrode tip and electrode tip below;
2) according to thickness requirement, solid circular cone is emptied into hollow cone;
3) adopt the technique of line cutting to cut out semicircle ring-shaped inductors and inductance supporting section;
4) form compact type electric inductance integrated electrode.
10. the processing method of compact type electric inductance integrated electrode according to claim 9, is characterized in that: also comprise the step of carrying out the rounding off of all seamed edges and the polishing of electrode surface after line cutting.
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| CN201410119380.0A CN103903838B (en) | 2014-03-27 | 2014-03-27 | A kind of compact type electric inductance integrated electrode and processing method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104135250A (en) * | 2014-07-25 | 2014-11-05 | 中国工程物理研究院应用电子学研究所 | Pulse power device based on annular ceramic solid state line |
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| EP0921542B1 (en) * | 1997-03-28 | 2005-11-09 | Matsushita Electric Industrial Co., Ltd. | Chip inductor and method for manufacturing the same |
| CN201114977Y (en) * | 2007-09-20 | 2008-09-10 | 复旦大学 | RF Inductively Coupled Plasma Generation Antenna |
| CN201315225Y (en) * | 2008-11-17 | 2009-09-23 | 深圳振华富电子有限公司 | Inductor |
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2014
- 2014-03-27 CN CN201410119380.0A patent/CN103903838B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0921542B1 (en) * | 1997-03-28 | 2005-11-09 | Matsushita Electric Industrial Co., Ltd. | Chip inductor and method for manufacturing the same |
| CN1311858A (en) * | 1998-07-10 | 2001-09-05 | 日本发条株式会社 | Conductive contact |
| CN1489158A (en) * | 2002-09-13 | 2004-04-14 | ��ʿͨ��ʽ���� | Adjustable Inductor and Its Inductance Adjustment Method |
| KR20040106834A (en) * | 2003-06-11 | 2004-12-18 | 대한민국 (경상대학교 총장) | A superconductor turn-to-turn insulation design structure for 22.9kV class double pancake coil type high temperature superconducting transformer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104135250A (en) * | 2014-07-25 | 2014-11-05 | 中国工程物理研究院应用电子学研究所 | Pulse power device based on annular ceramic solid state line |
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| CN103903838B (en) | 2016-02-10 |
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