CN107094008A - Gas rail is switched - Google Patents
Gas rail is switched Download PDFInfo
- Publication number
- CN107094008A CN107094008A CN201710494666.0A CN201710494666A CN107094008A CN 107094008 A CN107094008 A CN 107094008A CN 201710494666 A CN201710494666 A CN 201710494666A CN 107094008 A CN107094008 A CN 107094008A
- Authority
- CN
- China
- Prior art keywords
- electrode
- switch
- trigger
- base
- switch base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/12—Modifications for increasing the maximum permissible switched current
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/10—Nuclear fusion reactors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Plasma Technology (AREA)
Abstract
The invention discloses a kind of gas rail switch, including switch base and switch case, switch base is located at base cavity and is provided with trigger electrode centre mount, switch base is provided with two main electrodes, each main electrode is respectively provided with electrode head end and electrode tail end, trigger electrode centre mount is provided with the conductive pole for being provided with and being electrically connected with trigger electrode inside trigger electrode, trigger electrode centre mount, switch base and is provided with the trigger electrode conductive switch contact electrically connected with conductive pole；Main electrode is also corresponded to inside switch base and is provided with electrode embedded seat, electrode embedded seat has electrode connecting end A and the electrode connecting end B electrically connected with electrode connecting end A, electrode connecting end B is electrically connected with the electrode tail end of main electrode, is fixed between switch base and switch case by several mode connects for screw.The present invention uses integrated poured moulding process, simplifies the sealing structure of switch cavity, reduces switch maintenance workload, and improve switch mechanical property to turn on high current.
Description
Technical field
It is that the important front edge in pulse power science and technology branch is ground the present invention relates to Nuclear Science and Technology research field
Study carefully one of direction, more particularly to a kind of gas rail switch, be on anti-field configuration pre-add thermomagnetization during the fusion of magnetization target is studied
Core component during high current apparatus platform is built needed for plasma is produced.
Background technology
Switching technique is supported as the indispensable important foundation of pulse power science and technology research field, its technology water
It is straight to connect the large-scale pulse power device voltage of decision, current work index and subsequent physical experimental level.For different application
Scape and use condition are general to require switch used with high voltage, high current, fast conducting, Gao Zhongying, long-life, low jitter etc.
One of characteristic, or have concurrently.High-voltage switch requires that it has high voltage endurance capability, the pulse exported mainly for generation of high voltage
In power device, laying particular emphasis on the insulation resistance of switch can design；And high-current switch then requires that it has big through-flow conducting
Ability, is turned on, low inductance and anti-mainly for generation of the multichannel in the pulse power device of High-current output, laying particular emphasis on switch
Mechanical shock Intensity Design etc..
It is commonly used in high current, low inductance pulse forming network realizing before fast rise during multi-channel gas spark switch
Edge, the break-make of heavy current pulse.Multichannel can obtain less switched inductors, be conducive to improving device output level, bear big
Electric current simultaneously can extend switch life.The track switch through-current capability of existing mature technology is much smaller than 400kA, because of its through-current capability not
The factor restriction such as foot, working media non-pneumatic, use environment non-air, physical dimension be larger, it is full for needed for meeting real work
Needed for sufficient real work, spy, which have developed, is operated in the gas rail switch that through-current capability in air ambient is up to 400kA.
The content of the invention
For in place of prior art Shortcomings, it is an object of the invention to provide a kind of gas rail switch, for producing
The high current device built needed for raw anti-field configuration preheating magnetized plasma (magnetization target fusion research)；The gas rail of development
Road switch can be used in air ambient, and through-current capability is 400kA.
The purpose of the present invention is achieved through the following technical solutions：
A kind of gas rail switch, including switch base and switch case, the switch base is provided with base cavity, described
Switch base is located at base cavity center and is provided with trigger electrode centre mount, and the switch case is provided with to be connected with base cavity
Housing hollow, the base cavity and housing hollow collectively form switch cavity；The switch base is provided with two main electricity
Pole, each main electrode is respectively provided with electrode head end and electrode tail end, and the electrode head end of two main electrodes is relative to trigger electrode center
Seat is symmetrical arranged；The trigger electrode centre mount is provided with trigger electrode, and the trigger electrode is located at the electrode of two main electrodes
Between head end, provided with the conductive pole electrically connected with trigger electrode inside the trigger electrode centre mount, opened in the switch base
Have and the trigger electrode conductive switch that is electrically connected with conductive pole is installed in switch contact mounting hole, the switch contact mounting hole touched
Head；Inside the switch base also correspond to main electrode be provided with electrode embedded seat, the electrode embedded seat have electrode connecting end A and
The electrode connecting end B electrically connected with electrode connecting end A, electrode connecting end B are electrically connected with the electrode tail end of main electrode, the electrode
Connection end A, which runs through, is located at switch base side-walls；It is solid by several mode connects for screw between the switch base and switch case
It is fixed.
In order to which the present invention is better achieved, switch base side wall is provided with connector, the switch base, triggering electricity
The integrated poured machine-shaping manufacture of pole centre mount, electrode embedded seat, main electrode, connector.
Preferably, the electrode head end of two main electrodes is semicylinder shape, the trigger electrode is in integrally Rhizoma Sparganii
Cylinder body shape, the triggering summit of trigger electrode is located at below the line of centres of two electrode head ends.
Preferably, the switch housing body sidewall, which is provided with connector, the connector, is provided with several threaded connections
Hole B.
Preferably, the electrode tail end is connected by several screws with electrode connecting end B.
Preferably, the through-current capability that can bear between two main electrodes is 400kA.
Preferably, the switch base is formed by vinylite material manufacture；The main electrode is by chromium-zirconium-copper electrode
Manufacture is constituted, and the trigger electrode is formed using chromium-zirconium-copper material manufacture.
The present invention compared with the prior art, with advantages below and beneficial effect：
(1) present invention uses integrated poured moulding process, simplifies the sealing structure of switch cavity, reduces system member device
Number of packages amount, reduces switch maintenance workload, and improve switch mechanical property to turn on high current.The switch base of the present invention is adopted
With vinylite, switch base uses integrated poured machine-shaping with connector so that switch base body is more flexible, less
It is broken, there is higher impact strength, its through-current capability can be improved.
(2) main electrode of the present invention uses major diameter rectilinear orbit chromium-zirconium-copper electrode, switch electrode surface when reducing charging
The graded of electric-field intensity, and the electric-force gradient in trigger electrode region is effectively reduced, improve switch reliability.
(3) present invention can be directly connected to trigger cable, so as to reduce tactile without extra triggering biasing or coupling component
Hair ring road inductance value, is conducive to trigger electrode to obtain high steepness trigger pulse.Trigger electrode uses chromium-zirconium-copper material, installed in master
Below electrode axis, reduce the ablation of trigger electrode, so as to extend switch service life.
Brief description of the drawings
Fig. 1 is sectional view of the invention；
Fig. 2 is the structural representation of switch base of the present invention.
Wherein, it is entitled corresponding to the reference in accompanying drawing：
1- switch bases, 2- switch cases, 3- trigger electrode centre mounts, 4- base cavities, 5- electrode embedded seats,
51- electrode connecting ends A, 52- electrode connecting end B, 6- main electrode, 61- electrode head ends, 62- electrode tail ends, 7- connections
Part, 8- trigger electrodes, 9- conductive poles, 10- threaded connection holes A, 11- switch contact mounting hole.
Embodiment
The present invention is described in further detail with reference to embodiment：
Embodiment
As shown in Fig. 1~Fig. 2, a kind of gas rail is switched, including switch base 1 and switch case 2, and switch base 1 is opened
There is base cavity 4, switch base 1 is located at the center of base cavity 4 and is provided with trigger electrode centre mount 3, and switch base 1 is by vinyl
Resin material manufacture is formed, and main electrode 6 is made up of the manufacture of chromium-zirconium-copper electrode, and trigger electrode 8 is formed using chromium-zirconium-copper material manufacture.
Switch case 2 is provided with the housing hollow being connected with base cavity 4, and base cavity 4 collectively forms switch cavity with housing hollow.
The side wall of switch base 1 is provided with connector 7, switch base 1, trigger electrode centre mount 3, electrode embedded seat 5, main electrode 6, connection
The integrated poured machine-shaping of part 7 is manufactured.The side wall of switch case 2, which is provided with connector 7, connector 7, is provided with several screw threads company
Meet hole B.
As shown in figure 1, switch base 1 is provided with the through-flow energy that can bear between two main electrodes 6, two main electrodes 6
Power is 400kA.Each main electrode 6 is respectively provided with electrode head end 61 and electrode tail end 62, and the electrode head end 61 of two main electrodes 6 is relative
It is symmetrical arranged in trigger electrode centre mount 3.The electrode head end 61 of two main electrodes 6 is semicylinder shape, and trigger electrode 8 is whole
Body is in tri-prismoid shape, and the triggering summit of currently preferred trigger electrode 8 is located at the line of centres of two electrode head ends 61
Below.Trigger electrode centre mount 3 is provided with trigger electrode 8, and trigger electrode 8 is located between the electrode head end 61 of two main electrodes 6,
The inside of trigger electrode centre mount 3, which is provided with the conductive pole 9 electrically connected with trigger electrode 8, switch base 1, is provided with switch contact installation
The trigger electrode conductive switch contact electrically connected with conductive pole 9 is installed in hole 11, switch contact mounting hole 11.
As shown in figure 1, main electrode 6 is also corresponded to inside switch base 1 is provided with electrode embedded seat 5, electrode embedded seat 5 has electricity
Pole connection end A51 and the electrode connecting end B52 electrically connected with electrode connecting end A51, electrode connecting end B52 and the electricity of main electrode 6
Pole tail end 62 is electrically connected, and electrode connecting end A51, which runs through, is located at the side-walls of switch base 1.Between switch base 1 and switch case 2
Fixed by several mode connects for screw, be provided with several threaded connection holes A, switch case 2 and be provided with and screw thread in switch base 1
Threaded connection hole C corresponding connecting hole A, screw sequentially passes through the threaded connection hole C of switch case 2, the screw thread of switch base 1 connects
Meet hole A switch case 2 is connected with switch base 1.Electrode tail end 62 is connected by several screws and electrode connecting end B52
Connect fixation.
The operation principle of the present invention is as follows：
In use, trigger electrode conductive switch contact is installed in switch contact mounting hole 11, it is conductive by trigger electrode
Switch contact connects external trigger power supply, and external trigger cable making operation is carried out by trigger electrode conductive switch contact.Two
The electrode connecting end A51 of individual electrode embedded seat 5 is respectively turned on external switch counterpart or external power source, electrode embedded seat 5 and master
Electrode 6, which is corresponded, to be set, and the through-current capability that can bear between the electrode head end 61 of two main electrodes 6 is 400kA.Work as triggering
Electrodes conduct switch contact electrically connects conductive pole 9 by external trigger power supply, and conductive pole 9 is electrically connected with trigger electrode 8, trigger electrode
8 trigger through-flow electric energy between the electrode head end 61 of two main electrodes 6 by forceful electric power field distortion, realize the effect of gas rail switch
And can be with through-flow 400kA electric energy.
The present invention is in order to produce the 400kA gas rails that anti-field configuration magnetized plasma is built high current device and developed
Switch.Employ integrated poured processing mode, can simplify switch chamber sealing means, advantageously reduce system component number with
Reduction switch maintenance workload.Main electrode 6 uses major diameter rectilinear orbit chromium-zirconium-copper electrode, advantageously reduces before switch do not turn on
The graded of its electrode surface electric-field intensity, while the effectively electric-force gradient in reduction trigger electrode region, improves switch
Reliability.Trigger electrode 8 uses chromium-zirconium-copper material, below the line of centres of two main electrodes 6, can reduce trigger electrode
8 ablation, the service life for being conducive to extension to switch.Switch triggering Track desigh is in the gap middle of main electrode 6, without volume
Outer triggering biasing or coupling component, are easy to be directly connected to trigger cable, can reduce triggering loop inductance amount, beneficial to triggering electricity
Pole obtains high steepness trigger pulse.
The invention has the advantages that：
Firstth, to simplify switch cavity seal, system component number is reduced, switch maintenance workload is reduced, and
Switch mechanical property is improved to turn on high current, track switch base body uses integrated poured processing molding method.
Secondth, through many wheel construction changes in design and through-flow debugging, it is final determine switch base body using vinylite with
The integrated poured method of large scale metal insert (metal insert is connector).
3rd, main electrode 6 uses major diameter rectilinear orbit chromium-zirconium-copper electrode, to reduce switch electrode surface field during charging
The graded of intensity, while effectively reducing the electric-force gradient in trigger electrode region, can improve switch reliability.
4th, being fixedly connected using slotted hole structure design between main electrode 6 and switch base 4, is conveniently adjusted main electrode
Between the depth of parallelism and clearance distance, be conducive to switch range regulation.
5th, switch triggering Track desigh is in the gap middle of main electrode 6, without extra triggering biasing or the first device of coupling
Part, can be directly connected to trigger cable, so as to reduce triggering loop inductance amount, be conducive to trigger electrode 8 to obtain high steepness triggering arteries and veins
Punching.Trigger electrode 8 uses chromium-zirconium-copper material, below main electrode axis, reduces the ablation of trigger electrode, so as to extend switch
Service life.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (7)
1. a kind of gas rail switch, including switch base (1) and switch case (2), it is characterised in that：The switch base
(1) base cavity (4) is provided with, the switch base (1) is located at base cavity (4) center and is provided with trigger electrode centre mount (3),
The switch case (2) is provided with the housing hollow being connected with base cavity (4)；The switch base (1) is provided with two masters
Electrode (6), each main electrode (6) is respectively provided with electrode head end (61) and electrode tail end (62), the electrode head end of two main electrodes (6)
(61) it is symmetrical arranged relative to trigger electrode centre mount (3)；The trigger electrode centre mount (3) is provided with trigger electrode (8), institute
Trigger electrode (8) is stated between the electrode head end (61) of two main electrodes (6), is set inside the trigger electrode centre mount (3)
Have and be provided with switch contact mounting hole (11) on the conductive pole (9) electrically connected with trigger electrode (8), the switch base (1), it is described
The trigger electrode conductive switch contact electrically connected with conductive pole (9) is installed in switch contact mounting hole (11)；The switch base
The internal main electrode (6) that also corresponds to of seat (1) is provided with electrode embedded seat (5), and the electrode embedded seat (5) has electrode connecting end A
(51) the electrode connecting end B (52) and with electrode connecting end A (51) electrically connected, electrode connecting end B (52) and the electricity of main electrode (6)
Pole tail end (62) is electrically connected, and the electrode connecting end A (51), which is run through, is located at switch base (1) side-walls；The switch base (1)
Fixed between switch case (2) by several mode connects for screw.
2. switched according to the gas rail described in claim 1, it is characterised in that：Switch base (1) side wall is provided with company
Fitting (7), the switch base (1), trigger electrode centre mount (3), electrode embedded seat (5), main electrode (6), connector (7) are whole
Body cast machine-shaping manufacture.
3. switched according to the gas rail described in claim 1, it is characterised in that：The electrode head end (61) of two main electrodes (6)
It is semicylinder shape, the trigger electrode (8) is in integrally tri-prismoid shape, and the triggering summit of trigger electrode (8) is located at
Below the line of centres of two electrode head ends (61).
4. switched according to the gas rail described in claim 2, it is characterised in that：Switch case (2) side wall is provided with company
Several threaded connection holes B is provided with fitting (7), the connector (7).
5. switched according to the gas rail described in claim 1 or 3, it is characterised in that：The electrode tail end (62) is by some
Individual screw is connected with electrode connecting end B (52).
6. switched according to the gas rail described in claim 1, it is characterised in that：It can bear between two main electrodes (6)
Through-current capability is 400kA.
7. switched according to the gas rail described in claim 1, it is characterised in that：The switch base (1) is by vinylite
Material manufacture is formed；The main electrode (6) is made up of the manufacture of chromium-zirconium-copper electrode, and the trigger electrode (8) uses chromium-zirconium-copper material
It is fabricated by.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710494666.0A CN107094008B (en) | 2017-06-26 | 2017-06-26 | Gas rail switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710494666.0A CN107094008B (en) | 2017-06-26 | 2017-06-26 | Gas rail switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107094008A true CN107094008A (en) | 2017-08-25 |
| CN107094008B CN107094008B (en) | 2023-04-18 |
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ID=59640984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710494666.0A Active CN107094008B (en) | 2017-06-26 | 2017-06-26 | Gas rail switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107094008B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110996489A (en) * | 2019-12-09 | 2020-04-10 | 西安交通大学 | Plasma spraying device |
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| Publication number | Publication date |
|---|---|
| CN107094008B (en) | 2023-04-18 |
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