CN104900464A - Combined-type vacuum diode - Google Patents
Combined-type vacuum diode Download PDFInfo
- Publication number
- CN104900464A CN104900464A CN201510360111.8A CN201510360111A CN104900464A CN 104900464 A CN104900464 A CN 104900464A CN 201510360111 A CN201510360111 A CN 201510360111A CN 104900464 A CN104900464 A CN 104900464A
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- urceolus
- negative electrode
- insulator
- diode
- cathode
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J21/00—Vacuum tubes
- H01J21/02—Tubes with a single discharge path
- H01J21/04—Tubes with a single discharge path without control means, i.e. diodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
- H01J19/42—Mounting, supporting, spacing, or insulating of electrodes or of electrode assemblies
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
- H01J19/42—Mounting, supporting, spacing, or insulating of electrodes or of electrode assemblies
- H01J19/46—Mountings for the electrode assembly as a whole
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Abstract
The present invention discloses a combined-type vacuum diode used for a high-power microwave source. The combined-type vacuum diode comprises a large outer cylinder which may be connected with the high-power microwave source, a microwave source shielding ring, an insulator, a vacuum side shielding ring, a cathode pedestal, cathodes, a small outer cylinder and anodes. According to the combined-type vacuum diode, a plurality of cathode and anode structures share one insulator, and thus the cathode and anode structures or high-power microwave devices are combined for parallel drive to generate high-power electron beams.
Description
Technical field
The invention belongs to microwave electronics field, be specifically related to a kind of combined electrical vacuum diode, the present invention can be applied to the high-power microwave source development of High-Power Microwave technical field.
Background technology
Along with the development of High-Power Microwave technology, the output microwave power of high-power microwave source improves constantly, but, be subject to the restriction of size, volume, then the power output improving single microwave device further will become more difficult.For this reason, the mode that can be bundled by multiple high-power pulsed ion beams realizes larger output microwave power.One the most directly bundlees mode: completely independently multiple high-power pulsed ion beams bundles, and this mode not only requires bulky, and synchronously difficult, the probability that power increases is extremely low; And another mode is: individual pulse power source drives multiple independently high-power pulsed ion beams, this mode can increasing power, but wants cube also larger.Propose a kind of combined electrical vacuum diode structure for this reason, namely multiple high-power pulsed ion beams shares the insulator of a diode, high electric field pulse is loaded on diode isolation by individual pulse power source, then high electric field pulse is divided into the anode and cathode that multichannel drives multiple independently high-power pulsed ion beams respectively in vacuum chamber.Individual pulse power source is utilized to drive this combined electrical vacuum diode, synchronous and the frequency locking that can realize between two or more devices in parallel is phase-locked, and while realizing power increase, the volume of requirement is minimum, meet compactedness requirement, for practical research provides technical support.
Summary of the invention
The object of the invention is on the basis of existing diode, propose a kind of new thinking, the thought utilizing one end to input multiterminal output is improved structure, realize one and can drive multiple independently microwave device with a clock, and realize cathode and anode integration; When wanting cube, realize the parallel drive of multiple microwave device.
For achieving the above object, the present invention adopts following technical scheme:
A kind of combined electrical vacuum diode, described diode has a high electric field pulse and is input on diode isolation, and in vacuum chamber, have several independently anode and cathode output, each anode and cathode shares diode isolation.
In technique scheme, described composite vacuum diode comprises a urceolus, and one end of urceolus is set to disc structure, and disc surfaces is provided with several independently cylinders, and each separate cylinder is communicated with the hollow structure of disc structure, urceolus;
Composite vacuum diode comprises an insulator, and insulator is arranged on the side near disc structure in urceolus, and urceolus is divided into two independently spaces by insulator;
Composite vacuum diode comprises a negative electrode, and negative electrode is arranged in urceolus and passes insulator, is provided with a cathode block, cathode block is provided with several independently negative electrode branches in disc structure;
The position of described negative electrode branch and the cylinder position of disc surfaces adapt, and each negative electrode branch is enclosed within alone one independently in cylinder;
The side of insulator is provided with power source side shading ring; The opposite side of insulator is the disc structure of urceolus, is provided with inlet side shading ring, and this section in urceolus is vacuum;
Urceolus is the anode of composite vacuum diode.
In technique scheme, in the size of described cathode block and disc structure, space size adapts, and negative electrode, cathode block, negative electrode branch to be all arranged in urceolus and not to contact with outer tube inner wall.
In technique scheme, the quantity of the negative electrode branch of described combined electrical vacuum diode and the cylinder that matches with negative electrode branch, position is adjustable.
The operation principle of combined electrical vacuum diode of the present invention is: under the high electric field pulse of pulse power supply drives, by support structure and the High-Voltage Insulation effect of an insulator, high electric field pulse is introduced large urceolus and cathode substructure, again through cathode substructure and large outer drum flange, high-tension electricity is assigned in parallel negative electrode and the anode of multiple device, produces highfield between a cathode and an anode and produce strong current electron beam.
In sum, owing to have employed technique scheme, the invention has the beneficial effects as follows: what the present invention adopted is a single input, the structure of multi output, drives this combined electrical vacuum diode with individual pulse power source, and the synchronous and frequency locking that can realize between two or more devices in parallel is phase-locked, while realizing power increase, the volume required is minimum, meets compactedness requirement, for practical research provides technical support.
Accompanying drawing explanation
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein:
Fig. 1 is the sectional structure schematic diagram of embodiments of the invention one;
Fig. 2 be embodiments of the invention two analyse and observe mechanism's front view;
Wherein: 1 is urceolus, 2 is power source side shading rings, and 3 is insulators, and 4 is inlet side shading rings, and 5 is cathode substructures, and 6,7,8 is negative electrode branches, and 9,10 is cylinders.
Embodiment
The present invention is a kind of combined electrical vacuum diode, and described diode has a high electric field pulse and is input on diode isolation, and in vacuum chamber, have several independently anode and cathode output, each anode and cathode shares diode isolation.
The present invention includes a urceolus as the anode of diode, be connected with pulse power supply; Negative electrode is arranged on the axial location in cylinder.Space in urceolus is divided into two to seal and independently space by insulator, and negative electrode is through insulator, and insulator is provided with power source side shading ring near the side that pulse power supply connects, and the opposite side of insulator is set to inlet side shading ring.Negative electrode is connected with a cathode block in the side of inlet side shading ring, and this cathode block is disc structure, also can adopt ring flange.Be provided with Liang Ge negative electrode branch on the surface of cathode block, each negative electrode branch is independently.The structure of certain urceolus also and then negative electrode change and change, also change in the structure of the outside urceolus of cathode block, the surface of each negative electrode branch have one independently urceolus entangled.So just each negative electrode branch is made to form independently anode and cathode with the urceolus coordinated with it.
As shown in Figure 1, in the present embodiment, utilize this combined electrical vacuum diode, the binding of two high-power pulsed ion beams can be realized, reach the parallel drive of the negative electrode of two high-power pulsed ion beams.Its annexation is, the right-hand member of urceolus connects the cylinder (9,10) of two devices, the left end of urceolus connects the output urceolus of external high-voltage pulse power source, the left end of power source side shading ring is connected with the inner wire of high-voltage pulse power source, the left end of inlet side shading ring passes the endoporus connection power source side shading ring of insulator, the right-hand member of inlet side shading ring connects cathode substructure, and the flange of cathode substructure separates the negative electrode branch (6,7) of two devices
The course of work of combined electrical vacuum diode of the present invention is, under the high electric field pulse of pulse power supply drives, by support structure and the High-Voltage Insulation effect of an insulator, high electric field pulse is introduced large urceolus and cathode substructure, again through cathode substructure and large outer drum flange, high-tension electricity is assigned in parallel negative electrode and the anode of two devices, produces highfield between a cathode and an anode and produce strong current electron beam.In numerical simulation, the voltage endurance capability of this composite type diode can reach 800kV, and two of parallel connection separate high power microwave devices can independently normally work.
Embodiment 2
As shown in Figure 2, the form one of them negative electrode branch being adopted again to branch with place different in embodiment 1, this negative electrode branch is divided into two negative electrode branches exported, same makes corresponding adjustment by corresponding outer tube structure, each negative electrode branch exported of final guarantee and a urceolus adapt, and newly go out complete output anode and cathode.
In the present embodiment, utilize this combined electrical vacuum diode, the binding of three high-power pulsed ion beams can be realized, reach the parallel drive of the negative electrode of three high-power pulsed ion beams.
Its annexation is, the right-hand member of urceolus connects the cylinder (9,10,11) of three devices, the left end of urceolus connects the output urceolus of external high-voltage pulse power source, the left end of power source side shading ring is connected with the inner wire of high-voltage pulse power source, the left end of inlet side shading ring passes the endoporus connection power source side shading ring of insulator, the right-hand member of inlet side shading ring connects cathode substructure, and the flange of cathode substructure separates the negative electrode branch (6,7,8) of three devices.
The course of work of combined electrical vacuum diode of the present invention is, under the high electric field pulse of pulse power supply drives, by support structure and the High-Voltage Insulation effect of an insulator, high electric field pulse is introduced large urceolus and cathode substructure, again through cathode substructure and large outer drum flange, high-tension electricity is assigned in parallel negative electrode and the anode of three devices, produces highfield between a cathode and an anode and produce strong current electron beam.In numerical simulation, the voltage endurance capability of this composite type diode can reach 800kV, and three of parallel connection separate high power microwave devices can independently normally work.
Certainly, the present invention can also carry out work by calculating to separate with many negative electrode branches, improves constantly from the output microwave power truly realized high-power microwave source, and not by the restriction in space.
The present invention is not limited to aforesaid embodiment.The present invention expands to any new feature of disclosing in this manual or any combination newly, and the step of the arbitrary new method disclosed or process or any combination newly.
Claims (4)
1. a combined electrical vacuum diode, is characterized in that described diode has a high electric field pulse and is input on diode isolation, and in vacuum chamber, have several independently anode and cathode output, each anode and cathode shares diode isolation.
2. a kind of combined electrical vacuum diode according to claim 1, it is characterized in that described composite vacuum diode comprises a urceolus, one end of urceolus is set to disc structure, disc surfaces is provided with several independently cylinders, and each separate cylinder is communicated with the hollow structure of disc structure, urceolus;
Composite vacuum diode comprises an insulator, and insulator is arranged on the side near disc structure in urceolus, and urceolus is divided into two independently spaces by insulator;
Composite vacuum diode comprises a negative electrode, and negative electrode is arranged in urceolus and passes insulator, is provided with a cathode block, cathode block is provided with several independently negative electrode branches in disc structure;
The position of described negative electrode branch and the cylinder position of disc surfaces adapt, and each negative electrode branch is enclosed within alone one independently in cylinder;
The side of insulator is provided with power source side shading ring; The opposite side of insulator is the disc structure of urceolus, is provided with inlet side shading ring, and this section in urceolus is vacuum;
Urceolus is the anode of composite vacuum diode.
3. a kind of combined electrical vacuum diode according to claim 2, is characterized in that in the size of described cathode block and disc structure, space size adapts, and negative electrode, cathode block, negative electrode branch to be all arranged in urceolus and not to contact with outer tube inner wall.
4. a kind of combined electrical vacuum diode according to claim 2, the quantity of the negative electrode branch that it is characterized in that described combined electrical vacuum diode and the cylinder that matches with negative electrode branch, position is adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510360111.8A CN104900464B (en) | 2015-06-26 | 2015-06-26 | A kind of composite vacuum diode |
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| CN201510360111.8A CN104900464B (en) | 2015-06-26 | 2015-06-26 | A kind of composite vacuum diode |
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| CN104900464A true CN104900464A (en) | 2015-09-09 |
| CN104900464B CN104900464B (en) | 2017-03-01 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109860001A (en) * | 2018-12-28 | 2019-06-07 | 北京航空航天大学 | A kind of Terahertz vacuum diode and its manufacturing method |
| CN109860002A (en) * | 2018-12-28 | 2019-06-07 | 北京航空航天大学 | A kind of Terahertz vacuum triode and its manufacturing method |
| CN110460321A (en) * | 2019-08-16 | 2019-11-15 | 中国工程物理研究院应用电子学研究所 | Parallel pulse power source drives the structure of diode and corresponds to high-power microwave source |
| CN111462959A (en) * | 2020-04-15 | 2020-07-28 | 中国工程物理研究院应用电子学研究所 | Vacuum high-voltage pulse insulation structure |
| CN112768328A (en) * | 2021-01-27 | 2021-05-07 | 中国人民解放军国防科技大学 | High-current high-voltage vacuum diode |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109801822A (en) * | 2018-12-28 | 2019-05-24 | 北京航空航天大学 | A kind of array Terahertz vacuum diode device and its manufacturing method |
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| CN204991646U (en) * | 2015-06-26 | 2016-01-20 | 中国工程物理研究院应用电子学研究所 | Modular vacuum diode |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US3509406A (en) * | 1968-07-01 | 1970-04-28 | Gen Electric | Vacuum arc devices utilizing symmetrical coaxial electrode structures |
| CN2321111Y (en) * | 1998-02-10 | 1999-05-26 | 中国人民解放军国防科学技术大学 | Vacuum diode with coaxial current divider |
| US20070296342A1 (en) * | 2006-06-12 | 2007-12-27 | Applied Physical Electronics, L.C. | Low impedance high performance pulse generator |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109860001A (en) * | 2018-12-28 | 2019-06-07 | 北京航空航天大学 | A kind of Terahertz vacuum diode and its manufacturing method |
| CN109860002A (en) * | 2018-12-28 | 2019-06-07 | 北京航空航天大学 | A kind of Terahertz vacuum triode and its manufacturing method |
| CN110460321A (en) * | 2019-08-16 | 2019-11-15 | 中国工程物理研究院应用电子学研究所 | Parallel pulse power source drives the structure of diode and corresponds to high-power microwave source |
| CN110460321B (en) * | 2019-08-16 | 2024-01-05 | 中国工程物理研究院应用电子学研究所 | Structure of parallel pulse power source driving diode and corresponding high-power microwave source |
| CN111462959A (en) * | 2020-04-15 | 2020-07-28 | 中国工程物理研究院应用电子学研究所 | Vacuum high-voltage pulse insulation structure |
| CN111462959B (en) * | 2020-04-15 | 2022-02-01 | 中国工程物理研究院应用电子学研究所 | Vacuum high-voltage pulse insulation structure |
| CN112768328A (en) * | 2021-01-27 | 2021-05-07 | 中国人民解放军国防科技大学 | High-current high-voltage vacuum diode |
| CN112768328B (en) * | 2021-01-27 | 2022-05-03 | 中国人民解放军国防科技大学 | High-current high-voltage vacuum diode |
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| Publication number | Publication date |
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| CN104900464B (en) | 2017-03-01 |
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