CN204720531U - Circular arc curve high-voltage pulse transmission line and folded form high-voltage pulse transmission line - Google Patents

Circular arc curve high-voltage pulse transmission line and folded form high-voltage pulse transmission line Download PDF

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Publication number
CN204720531U
CN204720531U CN201520494116.5U CN201520494116U CN204720531U CN 204720531 U CN204720531 U CN 204720531U CN 201520494116 U CN201520494116 U CN 201520494116U CN 204720531 U CN204720531 U CN 204720531U
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China
Prior art keywords
transmission line
voltage pulse
pulse transmission
outer conductor
circular arc
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Expired - Fee Related
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CN201520494116.5U
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Chinese (zh)
Inventor
高峰
李劲
石金水
李�远
潘海峰
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Institute of Fluid Physics of CAEP
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Institute of Fluid Physics of CAEP
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Abstract

The utility model discloses a kind of circular arc curve high-voltage pulse transmission line and folded form high-voltage pulse transmission line, circular arc curve high-voltage pulse transmission line comprises outer conductor, inner wire, described outer conductor is an arc pipe, described inner wire and outer conductor are coaxially located in outer conductor, and being filled with liquid insulating medium between inner wire and outer conductor, transmission line two ends are provided with erection joint.Circular arc curve high-voltage pulse transmission line of the present utility model is bending, and its length taken up room is less than the arc length of its inner wire, reduces the length that itself takes up room; During transferring high voltage square-wave pulse, the loss of pulse amplitude and pulse front edge is few, can ensure that high-voltage square-wave pulse is with high fidelity transmitted; Circular arc curve high-voltage pulse transmission line of the present utility model can form foldable structure and folded form high-voltage pulse transmission line when coordinating with other transmission lines, can reduce space length shared by whole high-voltage pulse transmission line.

Description

Circular arc curve high-voltage pulse transmission line and folded form high-voltage pulse transmission line
Technical field
The utility model relates to high-voltage pulse transmitting device field, particularly, relates to a kind of circular arc curve high-voltage pulse transmission line and folded form high-voltage pulse transmission line.
Background technology
The development of Pulse Power Techniques facilitates the technological progress in High-Power Microwave field, also more and more higher to the requirement of transmission line.When transmission has the high-voltage nanosecond pulse signal of certain repetition rate, the peak power applied on the transmission line may reach gigawatt magnitude, and crest voltage reaches megavolt magnitude.
High-tension cable is widely used in technical field of pulse power, in order to can transferring high voltage pulse more with high fidelity, aqueous medium high-voltage pulse transmission line can be utilized to substitute high-tension cable.
High-voltage pulse transmission line of the prior art adopts the discontinuous stainless steel metal hard tube of multistage as carrier transmission pulse power mostly, and when utilizing aqueous medium high-voltage pulse transmission line, the aqueous medium transmission line total length of hundreds of nanosecond needs ten meters, and its length that takes up room is large.
Utility model content
The purpose of this utility model is just to provide a kind of circular arc curve high-voltage pulse transmission line, this circular arc curve high-voltage pulse transmission line entirety is in bending, the whole high-voltage pulse transmission line bending fold supporting this circular arc curve high-voltage pulse transmission line and other transmission lines to form is placed, reduce whole high-voltage pulse transmission line to take up room length, the utility model additionally provides the folded form high-voltage pulse transmission line adopting this circular arc curve high-voltage pulse transmission line.
The technical scheme in the invention for solving the above technical problem is:
Circular arc curve high-voltage pulse transmission line, comprise outer conductor, inner wire, described outer conductor is an arc pipe, and described inner wire and outer conductor are coaxially located in outer conductor, and being filled with liquid insulating medium between inner wire and outer conductor, transmission line two ends are provided with erection joint.In this programme, outer conductor adopts arc pipe, inner wire is also curved to be located in outer conductor, form forniciform circular arc curve high-voltage pulse transmission line, the length that not only circular arc curve high-voltage pulse transmission line itself takes up room is less than the arc length of inner wire, and the whole high-voltage pulse transmission line bending fold supporting this circular arc curve high-voltage pulse transmission line and other transmission lines to form is placed, reduce whole high-voltage pulse transmission line and to take up room length
As further improvement of the utility model, for ease of the connection of circular arc curve high-voltage pulse transmission line and other transmission lines or equipment, and ensure the high-fidelity transfer of high-voltage square-wave pulse signal, above-mentioned circular arc curve high-voltage pulse transmission line also comprises the insulation support plate being arranged on outer conductor two ends, described erection joint is flange, flange is fixedly connected on outer conductor end, insulation support plate is fixed on flange, described insulation support plate offers liquid through-hole and conductor through hole that dielectric for liquid passes through, the end of described inner wire is arranged in conductor through hole.
Further, for making the impedance of circular arc curve high-voltage pulse transmission line even, described insulation support plate comprises connecting portion and is set in the support portion outside connecting portion, two end faces of support portion are protruded at connecting portion two ends respectively, connecting portion wherein one end to stretch in outer conductor and fits tightly with outer conductor inwall, described support portion is connected with flange, and described conductor through hole is positioned at connecting portion center, and described liquid through-hole is opened on connecting portion.
Preferably, described insulation support plate adopts polymethyl methacrylate to make.
Further, for ease of the connection of circular arc curve high-voltage pulse transmission line and other transmission lines or equipment, described inner wire and outer conductor include segmental arc and are connected to the flat segments at segmental arc two ends.
Further, the central angle of described segmental arc is 180 °, makes whole circular arc curve high-voltage pulse transmission line more regular, more convenient with coordinating of other high-voltage pulse transmission lines.
Preferably, described liquid insulating medium is deionized water or propylene carbonate or ethylene glycol or transformer oil.
Preferably, described outer conductor adopts stainless steel to make, and described inner wire adopts aluminium bronze to make.
Folded form high-voltage pulse transmission line, comprise multiple bending high-voltage pulse transmission line and multiple straight high-voltage pulse transmission line, straight high-voltage pulse transmission line and bending high-voltage pulse transmission line are connected successively and interval is arranged, and described bending high-voltage pulse transmission line is arbitrary described circular arc curve high-voltage pulse transmission line in such scheme.Aforesaid be successively connected and interval arrange refer to the straight high-voltage pulse transmission line in one, interval between adjacent two bending high-voltage pulse transmission lines, the bending high-voltage pulse transmission line in one, interval between adjacent two straight high-voltage pulse transmission lines; In this programme, bending high-voltage pulse transmission line realizes the connection between adjacent two straight high-voltage pulse transmission lines and makes the parallel placement of two straight high-voltage pulse transmission lines and without the need to being located along the same line, substantially reduce the length that folded form high-voltage pulse transmission line takes up room.
Further, described straight high-voltage pulse transmission line comprises outer conductor, the inner wire be located in outer conductor, be arranged on the adpting flange at outer conductor two ends, described inner wire is coaxial with outer conductor, be filled with liquid insulating medium between described inner wire and outer conductor, the insulation support plate that the adpting flange of described straight high-voltage pulse transmission line connects the straight high-voltage pulse transmission line be adjacent is connected.
To sum up, the beneficial effects of the utility model are:
1, circular arc curve high-voltage pulse transmission line of the present utility model is bending, and its length taken up room is less than the arc length of its inner wire, reduces the length that itself takes up room;
2, during the utility model transferring high voltage square-wave pulse, the loss of pulse amplitude and pulse front edge is few, can ensure that high-voltage square-wave pulse is with high fidelity transmitted;
3, can foldable structure be formed when circular arc curve high-voltage pulse transmission line of the present utility model coordinates with other transmission lines, reduce space length shared by whole high-voltage pulse transmission line that this circular arc curve high-voltage pulse transmission line and other transmission lines form.
Accompanying drawing explanation
Fig. 1 is the structural representation of circular arc curve high-voltage pulse transmission line of the present utility model;
Fig. 2 is the structural representation of insulation support plate;
Fig. 3 is a kind of execution mode structural representation of folded form high-voltage pulse transmission line;
Fig. 4 be folded form high-voltage pulse transmission line in embodiment 4 transmission 500ns before and after oscillogram.
Mark and corresponding parts title in accompanying drawing: 1-outer conductor; 2-inner wire; 3-flange; 4-insulation support plate; 41-connecting portion; 42-support portion; 5-liquid through-hole; 6-conductor through hole; 7-screwed hole; 8-adpting flange.
Embodiment
Below in conjunction with embodiment and accompanying drawing, to the detailed description further of the utility model do, but execution mode of the present utility model is not limited thereto.
Embodiment 1:
As shown in Figure 1, circular arc curve high-voltage pulse transmission line, comprise outer conductor 1, inner wire 2, be arranged on the insulation support plate 4 at outer conductor 1 two ends, described outer conductor 1 is an arc pipe, it is interior and coaxial with outer conductor 1 that described inner wire 2 is located in outer conductor 1, liquid insulating medium is filled with between inner wire 1 and outer conductor 2, transmission line two ends are provided with erection joint, in the present embodiment, described erection joint is flange 3, flange 3 is fixedly connected on outer conductor 1 end, and (flange 3 can be fixed on the outer wall of the end of outer conductor 1, also can be fixed on the end face of outer conductor 1), insulation support plate 4 is fixed on flange 3, described insulation support plate 4 offers liquid through-hole 5 and conductor through hole 6 that dielectric for liquid passes through, the end of described inner wire 2 to be arranged in conductor through hole 6.
In the present embodiment, described liquid insulating medium is deionized water or propylene carbonate or ethylene glycol or transformer oil; Described outer conductor 1 adopts stainless steel to make, and described inner wire 2 adopts aluminium bronze to make; Described insulation support plate 4 adopts polymethyl methacrylate to make.
Arc pipe refers to that pipeline entirety is curved and the central axis of pipeline is curved, and with outer conductor 1 is coaxial, inner wire 2 represents that inner wire 2 also bends to arc, and be positioned at the center of arc pipe; The effect of insulation support plate 4 is the connections for circular arc curve high-voltage pulse transmission line and other transmission lines or equipment, has fixing and supporting role, and this insulation support plate 4 also needs insulation simultaneously, prevents the loss of high-voltage square-wave pulse signal.
The present embodiment is combined into circular arc curve high-voltage pulse transmission line by arc pipe, inner wire 2 and insulation support plate 4, inside is full of liquid insulating medium, it is as a part for whole high-voltage pulse transmission line, whole high-voltage pulse transmission line bending fold formula can be placed, thus reduce space length shared by whole high-voltage pulse transmission line.
Embodiment 2:
For ease of the connection of circular arc curve high-voltage pulse transmission line and other circular arc curve high-voltage pulse transmission lines or straight high-voltage pulse transmission line, on the basis of embodiment 1, the present embodiment improves as follows to circular arc curve high-voltage pulse transmission line:
Described inner wire 2 and outer conductor 1 include segmental arc and are connected to the flat segments at segmental arc two ends.In Fig. 1, the part on the dotted line left side is flat segments, and the part on the right of dotted line is segmental arc, and the central angle of described segmental arc is 180 °, and segmental arc two ends respectively connect one section of flat segments.
Due to circular arc curve high-voltage pulse transmission line only there is segmental arc time, coordinate difficulty higher with other transmission lines, in the present embodiment, a flat segments is respectively set at segmental arc two ends, this flat segments be straight with other or the transmission line of arc coordinate all very convenient.
Embodiment 3:
In order to strengthen circular arc curve high-voltage pulse transmission line and coordinating convenience and ensureing that high-voltage square-wave pulse is with high fidelity transmitted between other transmission lines further, the present embodiment, on the basis of embodiment 1 or embodiment 2, further improves the insulation support plate 4 of circular arc curve high-voltage pulse transmission line:
As shown in Figure 2, described insulation support plate 4 comprise the rounded connecting portion in cross section 41 with the support portion 42 be set in outside connecting portion 41 and connecting portion 41 be fixedly connected with support portion 42, connecting portion 41 and support portion 42 preferably adopt that mould is one-body molded, one-shot forming is made.Flange 3 is fixed on the outer wall of outer conductor 1 end, described support portion 42 is connected with flange 3, two end faces of support portion 42 are protruded at connecting portion 41 two ends respectively, wherein one end of connecting portion 41 to be stretched in outer conductor 1 and is closely cooperated with outer conductor 1 inwall, inner wire 2 also fits tightly in conductor through hole 6 simultaneously, ensure that inner wire 2 is at outer conductor 1 center, thus make circular arc curve high-voltage pulse transmission line impedance even.
In the present embodiment, the quantity of conductor through hole 6 is 1, and the quantity of liquid through-hole 5 is 4.Described conductor through hole 6 is positioned at connecting portion 41 center, and 4 liquid through-holes 5 to be opened on support portion 42 and to be evenly distributed on the sagittal plane of support portion 42.On described support portion 42 and flange 3, also correspondence offers at least 2 screwed holes 7, just insulation support plate 4 can be fixed on flange 3 in the screwed hole 7 during installation, bolt being arranged on support portion 42 and flange 3.
Embodiment 4:
Folded form high-voltage pulse transmission line, comprise multiple bending high-voltage pulse transmission line and multiple straight high-voltage pulse transmission line, straight high-voltage pulse transmission line and bending high-voltage pulse transmission line are connected successively and interval is arranged, aforesaid be successively connected and interval arrange refer to the straight high-voltage pulse transmission line in one, interval between adjacent two bending high-voltage pulse transmission lines, the bending high-voltage pulse transmission line in one, interval between adjacent two straight high-voltage pulse transmission lines.Described bending high-voltage pulse transmission line is arbitrary described circular arc curve high-voltage pulse transmission line in embodiment 1-3.
In the present embodiment, the quantity of bending high-voltage pulse transmission line is 3, and the quantity of straight high-voltage pulse transmission line is 4, its syndeton as shown in Figure 3,4 straight high-voltage pulse transmission line horizontal positioned and arranging from top to bottom.From top to bottom, first bending high-voltage pulse transmission line is connected between first straight high-voltage pulse transmission line and the left end of second straight high-voltage pulse transmission line, and second bending high-voltage pulse transmission line is connected between the right-hand member of second straight high-voltage pulse transmission line and the right-hand member of the 3rd straight high-voltage pulse transmission line; 3rd bending high-voltage pulse transmission line is connected between the 3rd straight high-voltage pulse transmission line and the left end of the 4th straight high-voltage pulse transmission line, forms foldable structure.If bending high-voltage pulse transmission line, straight high-voltage pulse transmission line are more, continue in the manner aforesaid to be connected to form foldable structure.In practical application, straight high-voltage pulse transmission line can vertically be placed, and connected mode is equivalent to Fig. 3 half-twist or 270 °.
In the present embodiment, the structure of straight high-voltage pulse transmission line also comprises outer conductor 1, be located in the inner wire 2 in outer conductor 1, be arranged on the adpting flange 8 at outer conductor 1 two ends, described inner wire 2 is coaxial with outer conductor 1, liquid insulating medium is filled with between described inner wire 1 and outer conductor 2, adpting flange 8 offers the tapped through hole that to match with the screwed hole 7 on insulation support plate 4, the adpting flange 8 of described straight high-voltage pulse transmission line is bolted on the insulation support plate 4 of the straight high-voltage pulse transmission line be adjacent, the inner wire 2 of straight high-voltage pulse transmission line is connected in the conductor through hole 6 of insulation support plate 4 with the inner wire 2 of bending high-voltage pulse transmission line, two inner wires 2 directly can be connected and also can be connected by conventional inner wire 2 jointing, when adopting jointing, this jointing is positioned at insulation support plate 4.It is from bending the different of high-voltage pulse transmission line: straight high-voltage pulse transmission line does not bend, and its outer conductor 1 and inner wire 2 are all straight.
Empirical tests, the front and back of the folded form high-voltage pulse transmission line high-voltage square-wave pulse signal transmission 500ns of the present embodiment, its input pulse amplitude is 225kV, pulse front edge 30ns(amplitude 10%-90%); Output pulse amplitude is 220kV, and pulse front edge is 32ns(amplitude 10%-90%), the loss of pulse amplitude and pulse front edge is all little, and high-voltage square-wave pulse can with high fidelity be transmitted in folded form high-voltage pulse transmission line.
Fig. 4 is the front and back oscillogram of folded form high-voltage pulse transmission line 500ns of the present embodiment with oscilloscope checking, and transverse axis is time shaft T, and unit is in ns, Fig. 4, and the every large lattice of transverse axis represent 100ns, every little lattice 20ns; The longitudinal axis is pulse amplitude axle, and unit is the longitudinal axis in kV, Fig. 4 is the meaning that 100KV/div, div represent lattice, and namely in Fig. 4, the every large lattice of the longitudinal axis represent 100KV, every little lattice 20KV.In Fig. 4, from left to right, the 1st pulse (1. Fig. 4 acceptance of the bid is located) is the input pulse waveform of transmission line; 2nd pulse (2. Fig. 4 acceptance of the bid is located) is the output pulse waveform after burst transmissions 500ns on matched load.As can be seen from Figure 4, the pulse amplitude of input pulse is 225kV, and pulse front edge (amplitude 10%-90%), from 105ns, terminates to 135ns, altogether 30ns; The pulse amplitude exporting pulse is 220kV, and pulse front edge (amplitude 10%-90%), from 605ns, terminates to 637ns, is total up to 32ns, and the loss of pulse signal transmission 500ns afterpulse amplitude and pulse front edge is less.
Below be only preferred implementation of the present utility model, protection range of the present utility model be not only confined to above-described embodiment, all technical schemes belonged under the utility model thinking all belong to protection range of the present utility model.It should be pointed out that for those skilled in the art, not departing from the some improvements and modifications under the utility model principle prerequisite, protection range of the present utility model should be considered as.

Claims (10)

1. circular arc curve high-voltage pulse transmission line, comprise outer conductor (1), inner wire (2), it is characterized in that, described outer conductor (1) is an arc pipe, described inner wire (2) and outer conductor (1) are coaxially located in outer conductor (1), and being filled with liquid insulating medium between inner wire (1) and outer conductor (2), transmission line two ends are provided with erection joint.
2. circular arc curve high-voltage pulse transmission line according to claim 1, it is characterized in that, also comprise the insulation support plate (4) being arranged on outer conductor (1) two ends, described erection joint is flange (3), flange (3) is fixedly connected on outer conductor (1) end, insulation support plate (4) is fixed on flange (3), described insulation support plate (4) offers liquid through-hole (5) and conductor through hole (6) that dielectric for liquid passes through, the end of described inner wire (2) is arranged in conductor through hole (6).
3. circular arc curve high-voltage pulse transmission line according to claim 2, it is characterized in that, described insulation support plate (4) comprises connecting portion (41) and is set in connecting portion (41) support portion outward (42), two end faces of support portion (42) are protruded at connecting portion (41) two ends respectively, connecting portion (41) wherein one end to stretch in outer conductor (1) and fits tightly with outer conductor (1) inwall, described support portion (42) is connected with flange (3), described conductor through hole (6) is positioned at connecting portion (41) center, described liquid through-hole (5) is opened on connecting portion (41).
4. circular arc curve high-voltage pulse transmission line according to claim 2, is characterized in that, described insulation support plate (4) adopts polymethyl methacrylate to make.
5. according to the arbitrary described circular arc curve high-voltage pulse transmission line of Claims 1-4, it is characterized in that, described inner wire (2) and outer conductor (1) include segmental arc and are connected to the flat segments at segmental arc two ends.
6. circular arc curve high-voltage pulse transmission line according to claim 5, is characterized in that, the central angle of described segmental arc is 180 °.
7. according to the arbitrary described circular arc curve high-voltage pulse transmission line of Claims 1-4, it is characterized in that, described liquid insulating medium is deionized water or propylene carbonate or ethylene glycol or transformer oil.
8. according to the arbitrary described circular arc curve high-voltage pulse transmission line of Claims 1-4, it is characterized in that, described outer conductor (1) adopts stainless steel to make, and described inner wire (2) adopts aluminium bronze to make.
9. folded form high-voltage pulse transmission line, it is characterized in that, comprise multiple bending high-voltage pulse transmission line and multiple straight high-voltage pulse transmission line, straight high-voltage pulse transmission line and bending high-voltage pulse transmission line are connected successively and interval is arranged, and described bending high-voltage pulse transmission line is arbitrary described circular arc curve high-voltage pulse transmission line in claim 2-4.
10. folded form high-voltage pulse transmission line according to claim 9, it is characterized in that, described straight high-voltage pulse transmission line comprises outer conductor (1), the inner wire (2) be located in outer conductor (1), be arranged on the adpting flange (8) at outer conductor (1) two ends, described inner wire (2) is coaxial with outer conductor (1), be filled with liquid insulating medium between described inner wire (1) and outer conductor (2), the insulation support plate (4) that the adpting flange (8) of described straight high-voltage pulse transmission line connects the straight high-voltage pulse transmission line be adjacent is connected.
CN201520494116.5U 2015-07-10 2015-07-10 Circular arc curve high-voltage pulse transmission line and folded form high-voltage pulse transmission line Expired - Fee Related CN204720531U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106158077A (en) * 2016-06-22 2016-11-23 西北核技术研究所 A kind of radial direction three board transmission line of Transmission Convergence pulse current
CN109524751A (en) * 2017-09-20 2019-03-26 株式会社东芝 RF power synthesizer
CN109712746A (en) * 2018-12-27 2019-05-03 青岛泰克博思电工技术有限公司 Deionized water insulated cable system and manufacturing method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106158077A (en) * 2016-06-22 2016-11-23 西北核技术研究所 A kind of radial direction three board transmission line of Transmission Convergence pulse current
CN109524751A (en) * 2017-09-20 2019-03-26 株式会社东芝 RF power synthesizer
CN109712746A (en) * 2018-12-27 2019-05-03 青岛泰克博思电工技术有限公司 Deionized water insulated cable system and manufacturing method

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Granted publication date: 20151021

Termination date: 20210710