CN110401370A - A kind of low inductance Marx generator machine core and Marx generator - Google Patents
A kind of low inductance Marx generator machine core and Marx generator Download PDFInfo
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- CN110401370A CN110401370A CN201910677140.5A CN201910677140A CN110401370A CN 110401370 A CN110401370 A CN 110401370A CN 201910677140 A CN201910677140 A CN 201910677140A CN 110401370 A CN110401370 A CN 110401370A
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- electrode
- capacitor
- switch
- machine core
- low inductance
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/53—Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback
- H03K3/537—Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback the switching device being a spark gap
Abstract
To reduce Marx generator discharge loop inductance, while guaranteeing its reliable and stable foundation, the present invention provides a kind of low inductance Marx generator machine core and Marx generators.Marx generator machine core includes the generator unit component that at least one is sequentially connected in series along same straight line；Each generator unit component includes sequentially connected first capacitor device unit, multi-channel switch and the second capacitor unit；First, second capacitor unit structure is identical；First capacitor device unit includes the first, second high pressure plastic housing capacitor in parallel；Multi-channel switch includes that at least independent switch gap of two-way, all switch gaps share the closed shell of insulation；One of electrode leads to client that each switch gap passes through electrode connecting parts high pressure plastic housing capacitor adjacent thereto respectively is connected；It is connected between two neighboring generator unit component by another electrode leads to client of its adjacent high pressure plastic housing capacitor.The present invention can at least reduce by 1/2 relative to conventional linear arrangement architecture, discharge loop inductance.
Description
Technical field
The invention belongs to technical field of pulse power, and in particular to a kind of low inductance Marx generator machine core and Marx occur
Device.
Background technique
High voltage pulse generation device of the Marx generator as a kind of classics, with LTD (Linear Transformer
Driver), Tesla transformer, model De Graff generator are compared, have output voltage is high, energy storage density is big, structure is simple,
Many advantages, such as operation and maintenance facilitate.High-energy physics has been widely used in it since nineteen twenty-three is by Erwin Otto Marx invention
The fields such as experimental study and Pulse Power Techniques application.In recent years, as large radiation simulator is in nuclear blast effect analog, grain
The deep development of the research fields such as beamlet weapon, fusion energy resource is in as the main high pressure Marx generator for selecting scheme of primary energy
Reveal two development trends: more parallel connections and repid discharge.Wherein, repid discharge can effectively reduce simulator intermediate pulse pressure
Contracting link simplifies apparatus structure, reduces overall complexity, and then promotes complete machine operational reliability.To reach this purpose, it is desirable that
Separate unit Marx generator discharge loop inductance is small as far as possible.
Currently, low inductance compact Marx generator mostly uses, high pressure plastic housing capacitor, machine core are arranged in a linear, gas is opened
Close is discoid three electrode switch or strip multi-channel switch.High pressure plastic housing capacitor certifiable Marx generator arranged in a straight line
Distance is more compact between internal element and unit, discoid three electrode switch can compression switch volume as far as possible, to make whole
A Marx generator architecture is more compact, achievees the purpose that reduce loop inductance.The shortcomings that this scheme is that structure and device are solid
After fixed, loop inductance determines substantially, when needing to further decrease loop inductance, can only be realized using multi-channel switch.Multi-pass
The use of road switch can further decrease Marx generator discharge loop electricity by reducing switch gap discharge spark inductance
Sense.But limitation of the formation of multichannel by the gap conduction position electromagnetic wave transition time is switched, there is very big do not know
Property.And switch formed multichannel ability and its electrode size and quantity it is proportional, and electrode size is excessive, quantity excessively meeting
Lead to the increase of construction of switch inductance.
Summary of the invention
In order to reduce Marx generator discharge loop inductance, while guaranteeing its reliable and stable foundation, the present invention provides one
The low inductance Marx generator machine core of kind and Marx generator.
The technical scheme is that
A kind of low inductance Marx generator machine core；It is characterized in that including N number of hair being sequentially connected in series along same straight line
Raw device unit block；N is positive integer；
Each generator unit component includes sequentially connected first capacitor device unit, multi-channel switch and the second capacitor
Unit, and first capacitor device unit and the second capacitor unit are arranged in parallel；
First capacitor device unit and the second capacitor unit structure are identical；First capacitor device unit includes in parallel first high
Compression moulding shell capacitor and the second high pressure plastic housing capacitor, the first high pressure plastic housing capacitor and the second high pressure plastic housing capacitor are along its length
Edge direction is collinearly arranged；
Multi-channel switch includes the closed shell of insulation and at least the independent switch gap of two-way, all switch gaps share institute
State the closed shell of insulation；
Each switch gap passes through one of electrode of electrode connecting parts high pressure plastic housing capacitor adjacent thereto respectively
Exit is connected；
It is drawn between two neighboring generator unit component by another electrode of its adjacent high pressure plastic housing capacitor
End is connected.
Further, hollow slots are carved on the surface of the electrode connecting parts.
Further, each way switch gap is a three electrode four-way gas switch.
Further, the three electrode four-way gas switch include main electrode and trigger electrode；Main electrode includes four
To cylindrical electrode group relatively independent, disposed in parallel；Every a pair of cylindrical electrode group includes the first cylindrical electrode and second
Cylindrical electrode；First cylindrical electrode and the second cylindrical electrode are distributed in insulation closed housing body in 180 degree, the first cylinder
One end of shape electrode and the second cylindrical electrode is each attached on the closed shell of insulation, the other end be located in insulation closed housing body and
Relative spacing setting；Trigger electrode is knife edge shape long-bar metal electrode, and one end of trigger electrode is fixed on the closed shell of insulation,
The other end is between the first cylindrical electrode and the second cylindrical electrode；Four pairs of cylindrical electrode groups pass through the electrode respectively
One of electrode leads to client of connector high pressure plastic housing capacitor adjacent thereto is connected.
Alternatively, each way switch gap is a three electrode triple channel gas switch.
Alternatively, each way switch gap is three electrodes, a two channel gas switch.
Further, the closed shell of the insulation can tolerate 1Mpa air pressure.
Further, the closed shell of insulation is the cylindrical closed shell of organic glass.
Further, multi-channel switch includes the independent switch gap of two-way.
The present invention also provides a kind of low inductance Marx generators, are characterized in that including above-mentioned low inductance
Marx generator machine core.
Beneficial effects of the present invention:
1. the present invention can be equivalent to the parallel form of the Marx generator machine core of at least two-way conventional linear arrangement architecture, phase
For conventional linear arrangement architecture, Marx generator discharge loop inductance of the present invention can at least reduce by 1/2.
2. multi-channel switch is worked independently side by side using two three electrode four-ways switches and shares one absolutely in the present invention
The structure of edge cavity, two three electrode four-ways switch electrode between there is no electrical connection, effectively prevent one of them three electricity
There is a phenomenon where lead to potential change to inhibit another three electrodes four-way switch conduction for pole four-way switch；Together
When, the conducting of three electrode four-ways switch can also switch another three electrodes four-way and generate ultraviolet light, induce
It is connected, to both improve the synchronism of conducting, and then ensure that and establishes between two-way Marx generator machine core arranged in a straight line
Effective synchronization of process.
3. multi-channel switch uses three electrode four-way structures in invention unit, each channel is relatively independent, can increase as far as possible
Add each interchannel electromagnetic wave gets over transmission range；Path clearance is arranged in a linear, and breakdown occurs for a channel can be logical to other
Road generates ultraviolet irradiation, induces its fast conducting, so that multi-channel discharge be more readily formed, further decreases switch spark discharge
Channel inductance.
4. each equal hollow out cutting of electrode connecting piece, can increase each interchannel electromagnetic wave propagation path in the present invention, increase
The electromagnetic wave transition time is conducive to the formation of multi-channel discharge.
5. each generator unit component of the present invention is arranged in a linear, line is simple, is conducive to reliable and stable foundation.
Detailed description of the invention
Fig. 1 is the structure top view of the low inductance Marx machine core embodiment of the present invention.
Fig. 2 is the perspective view of the low inductance Marx machine core embodiment of the present invention.
Fig. 3 is the cross-sectional view of multi-channel switch embodiment in the low inductance Marx machine core of the present invention.
Fig. 4 is the side sectional view of multi-channel switch embodiment in the low inductance Marx machine core of the present invention.
Fig. 5 is the perspective view of multi-channel switch embodiment in the low inductance Marx machine core of the present invention.
Description of symbols:
1- generator unit component；2- first capacitor device unit；3- multi-channel switch；The second capacitor unit of 4-；5-
One high pressure plastic housing capacitor；6- the second high pressure plastic housing capacitor；The closed shell of 7- insulation；8- electrode connecting parts；9- main electrode；
10- trigger electrode；11- gas nozzle；12- main electrode leading-in end；13- trigger electrode leading-in end；The first cylindrical electrode of 14-；15-
Two cylindrical electrodes.
Specific embodiment
The present invention is further described with reference to the accompanying drawing.
Existing Marx generator includes hollow cylinder or square metal cylinder, the Marx being arranged in metal cylinder generation
Device machine core；Transformer oil or insulating gas are filled between Marx generator machine core and metal cylinder.The present invention occurs in existing Marx
On the basis of device, the improvement in structure is made to its Marx generator machine core, to reduce the inductance of Marx generator.
As shown in Figure 1 and Figure 2, Marx generator machine core provided by the present invention includes N number of hair being sequentially connected in series along same straight line
Raw device unit block 1；N is positive integer；Since series can excessively bring charging problem of non-uniform, actual design Marx occurs
When device series N would generally be designed according to loop parameter；In the present embodiment, N=6；
Each generator unit component 1 includes first capacitor device unit 2, the multi-channel switch 3 and second being sequentially connected electrically
Capacitor unit 4, and first capacitor device unit 2 and the second capacitor unit 4 are arranged in parallel；
First capacitor device unit 2 is identical with 4 structure of the second capacitor unit；First capacitor device unit 2 includes in parallel the
One high pressure plastic housing capacitor 5 and the second high pressure plastic housing capacitor 6, the first high pressure plastic housing capacitor 5 and the second high pressure plastic housing capacitor
Device 6 is collinearly arranged along its longitudinal direction, and the short side of the two is in contact；First high pressure plastic housing capacitor 5 in other embodiments
It can not also be contacted with the short side of the second high pressure plastic housing capacitor 6, the more compact structure when short side is in contact.
As shown in Figure 3,4, multi-channel switch 3 includes the closed shell 7 of insulation of a cylindrical, tolerable 1Mpa air pressure
With the independent switch gap of two-way, each way switch gap is a three electrode four-way gas switch, and double switch gap is total
With a closed shell 7 of insulation；The insulate end of closed shell 7 is provided with gas nozzle 11；Each three electrode four-way gas is opened
Close includes main electrode 9 and trigger electrode 10；Main electrode 9 includes four pairs of cylindrical electrode groups relatively independent, disposed in parallel；It is each
It include the first cylindrical electrode 14 and the second cylindrical electrode 15 to cylindrical electrode group；First cylindrical electrode 14 and the second circle
Cylindrical electrode 15 is distributed in the closed shell 7 that insulate in 180 degree, and the one of the first cylindrical electrode 14 and the second cylindrical electrode 15
End is each attached on the closed shell 7 of insulation, and the other end is located in the closed shell 7 of insulation and relative spacing is arranged；Trigger electrode 10
For knife edge shape long-bar metal electrode, one end of trigger electrode 10 is fixed on the closed shell 7 of insulation, and the other end is located at the first cylinder
Between shape electrode 14 and the second cylindrical electrode 15；The combination of four pairs of cylindrical electrode groups and a trigger electrode constitutes four
Channel；Insulate closed shell 7 side wall on be additionally provided with for by main electrode 9 introduce external circuit main electrode leading-in end 12,
And the trigger electrode leading-in end 13 for trigger electrode 10 to be introduced to external circuit；The closed shell 7 that insulate in the present embodiment is adopted
With the closed shell of organic glass；
As shown in Figure 1, Figure 2, Figure 5,4 pairs of cylindrical electrode groups in each three electrodes four-way gas switch pass through respectively
One of electrode leads to client that the high pressure plastic housing capacitor adjacent thereto of electrode connecting parts 8 of hollow slots is carved on surface is connected；
It is connected between two neighboring generator unit component 1 by another electrode leads to client of its adjacent high pressure plastic housing capacitor.
It should be noted that in other embodiments, multi-channel switch 3 also may include the independent switch room of two-way or more
Gap；Each way switch gap may be a three electrode triple channel gas switch, or be three electrodes, two channel gas
Switch.
Claims (10)
1. a kind of low inductance Marx generator machine core；It is characterized by comprising N number of generator lists being sequentially connected in series along same straight line
First component；N is positive integer；
Each generator unit component includes sequentially connected first capacitor device unit, multi-channel switch and the second capacitor list
Member, and first capacitor device unit and the second capacitor unit are arranged in parallel；
First capacitor device unit and the second capacitor unit structure are identical；First capacitor device unit includes the first high compression moulding in parallel
Shell capacitor and the second high pressure plastic housing capacitor, the first high pressure plastic housing capacitor and the second high pressure plastic housing capacitor are along its long side side
To conllinear setting；
Multi-channel switch includes the closed shell of insulation and at least the independent switch gap of two-way, all switch gaps share described exhausted
The closed shell of edge；
One of electrode that each switch gap passes through electrode connecting parts high pressure plastic housing capacitor adjacent thereto respectively is drawn
End is connected；
Pass through another electrode leads to client phase of its adjacent high pressure plastic housing capacitor between two neighboring generator unit component
Even.
2. low inductance Marx generator machine core according to claim 1, it is characterised in that: the surface of the electrode connecting parts
It is carved with hollow slots.
3. low inductance Marx generator machine core according to claim 1 or 2, it is characterised in that: each way switch gap is
One three electrode four-way gas switch.
4. low inductance Marx generator machine core according to claim 3, it is characterised in that:
The three electrode four-way gas switch include main electrode and trigger electrode；Main electrode includes four pairs relatively independent, flat
The cylindrical electrode group of row setting；Every a pair of cylindrical electrode group includes the first cylindrical electrode and the second cylindrical electrode；The
One cylindrical electrode and the second cylindrical electrode are distributed in insulation closed housing body in 180 degree, the first cylindrical electrode and second
One end of cylindrical electrode is each attached on the closed shell of insulation, and the other end is located in insulation closed housing body and relative spacing is set
It sets；Trigger electrode is knife edge shape long-bar metal electrode, and one end of trigger electrode is fixed on the closed shell of insulation, and the other end is located at
Between first cylindrical electrode and the second cylindrical electrode；
Four pairs of cylindrical electrode groups respectively by electrode connecting parts high pressure plastic housing capacitor adjacent thereto one of them
Electrode leads to client is connected.
5. low inductance Marx generator machine core according to claim 1 or 2, it is characterised in that: each way switch gap is
One three electrode triple channel gas switch.
6. low inductance Marx generator machine core according to claim 1 or 2, it is characterised in that: each way switch gap is
One three electrodes, two channel gas switch.
7. low inductance Marx generator machine core according to claim 1 or 2, it is characterised in that: the insulation closed housing
Body can tolerate 1Mpa air pressure.
8. low inductance Marx generator machine core according to claim 7, it is characterised in that: the closed shell of insulation is circle
The cylindrical closed shell of organic glass.
9. low inductance Marx generator machine core according to claim 1, it is characterised in that: multi-channel switch includes that two-way is only
Vertical switch gap.
10. a kind of low inductance Marx generator, it is characterised in that: including any low inductance Marx hair of claim 1-9
Raw device machine core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910677140.5A CN110401370B (en) | 2019-07-25 | 2019-07-25 | Low-inductance Marx generator core and Marx generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910677140.5A CN110401370B (en) | 2019-07-25 | 2019-07-25 | Low-inductance Marx generator core and Marx generator |
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| Publication Number | Publication Date |
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| CN110401370A true CN110401370A (en) | 2019-11-01 |
| CN110401370B CN110401370B (en) | 2021-08-31 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102185515A (en) * | 2011-01-14 | 2011-09-14 | 西北核技术研究所 | Marx generator |
| CN102255552A (en) * | 2011-06-21 | 2011-11-23 | 西安交通大学 | Compact type fast pulse discharging unit |
| CN103475255A (en) * | 2013-08-02 | 2013-12-25 | 西北核技术研究所 | Marx generator with compact structure |
| CN103490283A (en) * | 2013-08-27 | 2014-01-01 | 西北核技术研究所 | Square gas switch with multiple gaps connected in parallel and discharge circuit comprising same |
| CN104467512A (en) * | 2014-12-19 | 2015-03-25 | 西安交通大学 | Impulse voltage generation module and impulse voltage generator |
| CN104617918A (en) * | 2014-12-19 | 2015-05-13 | 西安交通大学 | Closed gas-filled shock voltage generator installation and removal method |
| CN108111147A (en) * | 2017-12-19 | 2018-06-01 | 合肥博雷电气有限公司 | A kind of Marx generators of compact structure |
-
2019
- 2019-07-25 CN CN201910677140.5A patent/CN110401370B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102185515A (en) * | 2011-01-14 | 2011-09-14 | 西北核技术研究所 | Marx generator |
| CN102255552A (en) * | 2011-06-21 | 2011-11-23 | 西安交通大学 | Compact type fast pulse discharging unit |
| CN103475255A (en) * | 2013-08-02 | 2013-12-25 | 西北核技术研究所 | Marx generator with compact structure |
| CN103490283A (en) * | 2013-08-27 | 2014-01-01 | 西北核技术研究所 | Square gas switch with multiple gaps connected in parallel and discharge circuit comprising same |
| CN104467512A (en) * | 2014-12-19 | 2015-03-25 | 西安交通大学 | Impulse voltage generation module and impulse voltage generator |
| CN104617918A (en) * | 2014-12-19 | 2015-05-13 | 西安交通大学 | Closed gas-filled shock voltage generator installation and removal method |
| CN108111147A (en) * | 2017-12-19 | 2018-06-01 | 合肥博雷电气有限公司 | A kind of Marx generators of compact structure |
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| Publication number | Publication date |
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| CN110401370B (en) | 2021-08-31 |
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