CN206041952U - Compact GW level bipolar pulse produces device - Google Patents
Compact GW level bipolar pulse produces device Download PDFInfo
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- CN206041952U CN206041952U CN201621046176.1U CN201621046176U CN206041952U CN 206041952 U CN206041952 U CN 206041952U CN 201621046176 U CN201621046176 U CN 201621046176U CN 206041952 U CN206041952 U CN 206041952U
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Abstract
The utility model discloses a compact GW level bipolar pulse produces device, the circuit structure of device does: the high pressure input of low resistance line connects the high voltage output end of marx generator, and the high voltage output end of low resistance line is connected to the bipolar pulse forming line of low resistance through the main switch, and the bipolar pulse forming line's of low resistance high voltage output holds the input that is connected to the matched transmission line through the sharpen switch, and the output of matched transmission line is connected to ground through the matched resistance, the bipolar pulse forming line's of low resistance high pressure input is connected to ground through the short circuiting switch, the impedance match of low resistance line, the bipolar pulse forming line of low resistance, matched transmission line, and respective low -pressure end all is connected to ground. The utility model discloses because charge time shortens, insulating medium's breakdown field strength increases, and insulation distance shortens, and bipolar pulse forming line's radial dimension can reduce, and the short circuiting switch just can reduce with the radial dimension of sharpen switch like this, guarantees the coaxial of switch and transmission line more easily, and the realization multichannel switches on.
Description
Technical field
The invention belongs to High-Power Microwave technical field, and in particular to a kind of compact is charged to formation line using line is formed
Technology produces high power bipolar pulse device.
Background technology
Ultra broadband (UWB) high-power electromagnetic pulse has broadband character, is easier to the response frequency of coverage goal, Ke Yidu
Before the more protection circuit of goal systems, destruction or the electronic system after benumbing protection circuit, computer Sensitive Apparatuses and receiver
End, upsets system fuse, guidance and communication.
Super-broadband electromagnetic impulse formation basic theory is identical at root with general electromagnetic pulse formation basic theory, but ultra-wide
The characteristics of band electromagnetic pulse has its own.The spectrum requirement of super-broadband electromagnetic impulse is relatively wide, so pulse is typically narrow（Receive
Second or subnanosecond）.One of key technology as high power ultra-wideband pulse source, pulse-forming line has obtained more deep
Research.Ultra-wideband pulse is generally divided into shock pulse（Unipolar pulse）With two kinds of monocycle impulse (bipolar pulse).Typical waveform
See Fig. 1, wherein Fig. 1 a are shock pulse, Fig. 1 b monocycle pulse waveforms.Fig. 2 is the frequency of typical impact pulse and monocycle impulse
Spectrum, as can be seen from the figure shock pulse frequency spectrum low frequency component proportion is larger（See Fig. 2 a）, due to low frequency component it is difficult to spoke
Shoot out, radiation efficiency is relatively low；Monocycle impulse does not have DC component（See Fig. 2 b）, it is easy to radiate.Using formed line to formed
Line charging technique, can shorten the charging interval that bipolar pulse forms line, reduce the radial dimension that bipolar pulse forms line, reduce
Short switch and the size for sharpening switch, improve the job stability of device.
The content of the invention
The purpose of the present invention is to realize high-power bipolar pulse, while realizing higher mid frequency, there is provided Yi Zhongli
The device of high power bipolar pulse is produced to forming line charging technique with formation line.
For achieving the above object, the present invention is adopted the following technical scheme that：
A kind of compact GW levels bipolar pulse generator, the circuit structure of described device is：The high input voltage of low-resistance line
The high-voltage output end of end connection Marx generators, the high-voltage output end of low-resistance line are connected to low-resistance bipolar pulse shape by master switch
Into line, low-resistance bipolar pulse forms the input that the high-voltage output end of line is connected to matched transmission line by sharpening switch, matching
The outfan of transmission line is connected to ground by build-out resistor；The low-resistance bipolar pulse forms the high voltage input terminal of line by short circuit
Switch is connected to ground,
The low-resistance line, low-resistance bipolar pulse form line, the impedance matching of matched transmission line, and respective low-pressure end connects
It is connected to ground.
In above-mentioned technical proposal, described device includes following physical arrangement：Low-resistance line inner core, low-resistance line outer tube and set
Put the filled media between low-resistance line inner core and low-resistance line outer tube；Bipolar pulse forms line inner core, bipolar pulse and is formed outside line
Cylinder and the matched transmission line filled media being arranged between bipolar pulse formation line inner core and bipolar pulse formation line outer tube；It is low
Resistance line inner core and bipolar pulse are formed and connect master switch between line inner core, and bipolar pulse forms line inner core and bipolar pulse forms line
Short switch is provided between outer tube；Bipolar pulse forms the other end connection of line inner core and sharpens switch, sharpens the another of switch
End is connected to matched transmission line.
In above-mentioned technical proposal, the filled media between the low-resistance line inner core and low-resistance line outer tube for insulator,
Insulator is different with the diameter of insulator other parts near the end diameter of master switch.
In above-mentioned technical proposal, the inner side of the insulator end is not contacted with the outer wall of low-resistance elder generation inner core, both it
Between form gap.
In above-mentioned technical proposal, between the low-resistance line inner core and outer tube for etc. impedance taper transition structure.
In above-mentioned technical proposal, the short switch is ring switch, and the internal diameter of ring switch is more than bipolar pulse shape
Into the external diameter of line inner core.
In above-mentioned technical proposal, the matched transmission line includes matched transmission line outer tube and matched transmission line inner core, institute
It is ring switch to state sharpening switch, and ring switch is connected to the inner core of matched transmission line and bipolar pulse is formed between line inner core.
The line that formed in this utility model is the low-resistance coaxial line for filling organic glass medium, fills lucite and can contract
The short length for forming line.It is ring switch that low-resistance line and bipolar pulse form the switch between line（Referred to as master switch）, annular opens
The structure of pass can be realized switching multichannel conducting, and multichannel conducting can reduce switched inductors.
This utility model forms line：The high-voltage pulsed sources such as Marx are to shape
Charge into line, after forming the master switch conducting that line and bipolar pulse are formed between line when certain value is charged to, line is formed to bipolar
PFL charging, when maximum is charged to, short switch-sharpening switch is simultaneously turned on, and forms line in bipolar pulse
Bipolar pulse is formed on matched transmission line.
In sum, as a result of above-mentioned technical proposal, the invention has the beneficial effects as follows：
Line charging is formed to bipolar pulse using line is formed, that is, Marx generators first charge to forming line, rather than
By the way of Marx generators directly directly charge to bipolar pulse formation line.Form line to fill bipolar pulse pulse-forming line
The electric time is shorter, and 4 ~ 5ns can just be completed, and such short switch is with sharpening switch conduction just than very fast.Occurred using Marx
Device is directly long to the mode charging interval of the direct charging of matching transmission, probably needs 30ns.Simultaneously because charging interval contracting
Short, the disruptive field intensity of dielectric increases, and insulation distance shortens, and bipolar pulse forms the radial dimension of line and can reduce, so
Short switch can just reduce with the radial dimension for sharpening switch, it is easier to ensure that switch is coaxial with transmission line, realization is led to more
Road is turned on.
Description of the drawings
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein：
Fig. 1 a are typical impact impulse waveforms
Fig. 1 b are monocycle pulse waveforms；
Fig. 2 a are typical impact impulse waveforms
Fig. 2 b are monocycle impulse frequency spectrums；
Fig. 3 is circuit diagram of the present utility model；
Fig. 4 is structure chart of the present utility model；
Wherein:1 is low-resistance line outer tube, and 2 is low-resistance line filled media, and 3 is low-resistance line inner core, and 4 is low-resistance line and bipolar arteries and veins
Punching forms the master switch between line, and 5 is the lucite insulator between different cavitys, and 6 is that bipolar pulse formation line short circuit is opened
Close, 7 is that bipolar pulse forms line outer tube, and 8 is that bipolar pulse forms line inner core, and 9 is that bipolar pulse forms line sharpening switch.
Specific embodiment
All features disclosed in this specification, or disclosed all methods or during the step of, except mutually exclusive
Feature and/or step beyond, can combine by any way.
As shown in figure 3, for the present invention electrical connection schematic diagram, Marx generators produce high-voltage pulse be directly inputted to
On the high-pressure side of low-resistance line T1, the high-voltage output end of low-resistance line T1 is connected to bipolar pulse by a master switch U1 and forms line T2
High-pressure side on, while bipolar pulse formed line T2 high-pressure side and low-pressure end between connect a short switch U2, it is bipolar
The high-voltage output end of pulse-forming line T2 is connected to matched transmission line T3 by sharpening switch U3, and the high pressure of matched transmission line T3 is defeated
Go out end and be connected to ground by a build-out resistor；And low-resistance line T1, bipolar pulse form line T2, the low-pressure end of matched transmission line T3
It is grounded.
As shown in figure 4, according to the electrical principle in Fig. 3, the device of the present invention of design, including two parts, before device
Hold as low-resistance line part, rear end is with transmission line portions.The low-resistance line part of device includes low-resistance line outer tube and low-resistance line inner core,
Low-resistance line filled media is filled between inner/outer tube, forms the coaxial line of the filling organic glass medium that line is low-resistance, filling
Lucite can shorten the length to form line.Annular master switch is set in the outfan annular mouth of low-resistance line inner core, is used for
The matched transmission line part of attachment means.
The matched transmission line part of device includes two parts, and a part forms line for bipolar pulse, including bipolar pulse
Form line inner core and bipolar pulse form line outer tube, bipolar pulse forms the input of line inner core and is connected on annular master switch,
And form the short switch for arranging annular between line inner core and bipolar pulse formation line in bipolar pulse, and in bipolar pulse shape
Formed into line inner core and bipolar pulse lucite is filled between line outer tube；Another part is matched line, and matched transmission line also has
Inner core and outer tube, the inner core of matched transmission line and bipolar pulse form connection between spool and sharpen switch, matched transmission line it is interior
Air is filled between cylinder and outer tube.
According to the example that such scheme is implemented：
Low-resistance line forms line with bipolar pulse, and the external diameter of low-resistance line outer tube is：168mm, interior Jing are：160mm；In low-resistance line
Cylinder outer Jing be：122.6mm, internal diameter be：116.6mm；Ring switch between low-resistance line and bipolar pulse（Master switch）It is outer
Footpath is：84.2mm, internal diameter are 78.2mm, and the end face of switch falls the fillet of R1.5.
Bipolar pulse forms the external diameter of line outer tube：118mm, interior Jing are：110mm；Bipolar pulse forms the outer of line inner core
Footpath is：84.2mm, interior Jing are：78.2mm；Sharpening the external diameter for switching is：84.2mm, interior Jing are：80.2mm, the end face of switch fall
The fillet of R1.0；Short switch is the lamellar ring switch of thick 2mm, and the internal diameter of switch is 90.2mm.
The ring-like short switch of ring switch, bipolar pulse formation line between low-resistance line and bipolar pulse formation line-sharp
Switching is sealed in different hyperbar cavitys respectively, and cavity realizes high pressure using lucite insulator and O-ring seal
The sealing of gas.High pressure SF6 gases being filled in cavity, mainly there are two effects, one can be the insulation for improving cavity, and two can be
Shorten switch conduction times, improve the mid frequency of wide range oscillating impulse.
The invention is not limited in aforesaid specific embodiment.The present invention is expanded to and any is disclosed in this manual
New feature or any new combination, and the arbitrary new method that discloses or the step of process or any new combination.
Claims (7)
1. a kind of compact GW levels bipolar pulse generator, it is characterised in that the circuit structure of described device is：Low-resistance line
High voltage input terminal connects the high-voltage output end of Marx generators, and the high-voltage output end of low-resistance line is connected to low-resistance pair by master switch
Pole pulse-forming line, low-resistance bipolar pulse form the input that the high-voltage output end of line is connected to matched transmission line by sharpening switch
End, the outfan of matched transmission line are connected to ground by build-out resistor；The low-resistance bipolar pulse forms the high voltage input terminal of line
Ground is connected to by short switch,
The low-resistance line, low-resistance bipolar pulse form line, the impedance matching of matched transmission line, and respective low-pressure end is all connected to
Ground.
2. a kind of compact GW levels bipolar pulse generator according to claim 1, it is characterised in that described device bag
Include following physical arrangement：Low-resistance line inner core, low-resistance line outer tube and it is arranged on filling out between low-resistance line inner core and low-resistance line outer tube
Filling medium；Bipolar pulse forms line inner core, bipolar pulse and forms line outer tube and be arranged on bipolar pulse and forms line inner core and double
Matched transmission line filled media between the pulse-forming line outer tube of pole；Low-resistance line inner core and bipolar pulse are formed and are connected between line inner core
Master switch is connect, and bipolar pulse forms line inner core and bipolar pulse to be formed and short switch is provided between line outer tube；Bipolar pulse shape
Other end connection into line inner core sharpens switch, and the other end for sharpening switch is connected to matched transmission line.
3. a kind of compact GW levels bipolar pulse generator according to claim 2, it is characterised in that the low-resistance line
Filled media between inner core and low-resistance line outer tube for insulator, insulator near master switch end diameter and insulator its
His diameter of part is different.
4. a kind of compact GW levels bipolar pulse generator according to claim 3, it is characterised in that the insulator
The inner side of end is not contacted with the outer wall of low-resistance elder generation inner core, forms gap between the two.
5. a kind of compact GW levels bipolar pulse generator according to claim 2, it is characterised in that the low-resistance line
Between inner core and outer tube for etc. impedance taper transition structure.
6. a kind of compact GW levels bipolar pulse generator according to claim 2, it is characterised in that the short circuit is opened
Close as ring switch, the internal diameter of ring switch forms the external diameter of line inner core more than bipolar pulse.
7. a kind of compact GW levels bipolar pulse generator according to claim 2, it is characterised in that the matching is passed
Defeated line includes matched transmission line outer tube and matched transmission line inner core, and the sharpening switch is ring switch, and ring switch is connected to
The inner core of matched transmission line and bipolar pulse are formed between line inner core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621046176.1U CN206041952U (en) | 2016-09-09 | 2016-09-09 | Compact GW level bipolar pulse produces device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621046176.1U CN206041952U (en) | 2016-09-09 | 2016-09-09 | Compact GW level bipolar pulse produces device |
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| CN206041952U true CN206041952U (en) | 2017-03-22 |
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| CN201621046176.1U Active CN206041952U (en) | 2016-09-09 | 2016-09-09 | Compact GW level bipolar pulse produces device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106938052A (en) * | 2017-04-26 | 2017-07-11 | 中国工程物理研究院流体物理研究所 | A kind of bipolarity nanosecond pulsed electric field loading, electric field sterilization device and method |
| CN109557490A (en) * | 2018-11-16 | 2019-04-02 | 西北核技术研究所 | The caliberating device and method of fast pulse measuring probe are used for based on pulse current source |
-
2016
- 2016-09-09 CN CN201621046176.1U patent/CN206041952U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106938052A (en) * | 2017-04-26 | 2017-07-11 | 中国工程物理研究院流体物理研究所 | A kind of bipolarity nanosecond pulsed electric field loading, electric field sterilization device and method |
| CN106938052B (en) * | 2017-04-26 | 2023-07-25 | 中国工程物理研究院流体物理研究所 | Bipolar nanosecond pulse electric field loading and electric field sterilizing device and method |
| CN109557490A (en) * | 2018-11-16 | 2019-04-02 | 西北核技术研究所 | The caliberating device and method of fast pulse measuring probe are used for based on pulse current source |
| CN109557490B (en) * | 2018-11-16 | 2020-11-17 | 西北核技术研究所 | Calibration device and method for fast pulse measurement probe based on pulse current source |
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