SU530381A1

SU530381A1 - Spark gas discharge

Info

Publication number: SU530381A1
Application number: SU1997358A
Authority: SU
Inventors: Иван Петрович Афонин; Александр Васильевич Бартов; Владимир Алексеевич Никифоров
Original assignee: Предприятие П/Я А-1758
Priority date: 1974-02-15
Filing date: 1974-02-15
Publication date: 1976-09-30

Description

1one

Изобретение откоситс к газовым искровым разр дникам, примен емым в высоковолыгеой импулвсной техншсе, в особенности дл цепей коммутации быстронарастающих высоковольтных сильноточных имт - льсов в низкоомной электрической цепи с де лью достижени предельно малых суммарной индуктивности искровых каналов и времени коммутации.The invention sticks to gas spark discharges used in high voltage impulse technology, especially for switching circuits of fast-growing high-voltage high-current impulses in a low-resistance electrical circuit with the achievement of extremely small total inductance of spark channels and switching times.

Известен многоканальный искровой разр дник , содержащий два основных электрода , несколько поджигаюши электродов и вспомогательные электроды, помещенные между основными электродами и соединенные каждый с помощью двух проводников с одним из основных электродов.A multichannel spark discharge is known, which contains two main electrodes, several ignites electrodes and auxiliary electrodes placed between the main electrodes and connected each by means of two conductors with one of the main electrodes.

В этом разр днике количество образующихс искровых каналов не превышает числа поджигающих электродов, обеспечение поджига всех (по числу поджигающих э ект родов) искровых каналов достигаетс за счет усложнени конструкции.In this discharge, the number of formed spark channels does not exceed the number of igniting electrodes, ensuring the ignition of all (by the number of igniting electric lines) spark channels is achieved due to the complexity of the design.

Наиболее близким из известных технических решений к данному изобретению вл етс искровой газовый рар дник, содержаThe closest of the known technical solutions to this invention is a spark gas diffuser containing

щий два прот женных основных электрода т; расположенный между ними поджи ающн Электрой.two main ground electrodes, t; located between them podzhu ayushn Elektra.

Однако количество образ тощнхс искровьге , каналов в нем не превышает числа поджигающих электродов, что определ ет штжний предел суммарной индухстивностгг искре- -. аых каналов и в случае комм5 гааин кизксомной электрической линии ограш1ч:иваег быстродействие разр дника, поскольку с уменыпением импеданса линии к увеличением напр жени на разр днике дл обесгсе-чени заданного быстродействи требувас увеличивать число искровых каналов, что может быть достигнуто в прототипе лишь увеличением числа поджигаюших электродов. а это ведет к усложнению конструкции.However, the number of channels in it, the channels in it does not exceed the number of igniting electrodes, which determines the strut limit of the total value of the spark ––. In the case of a connection of a kainskom electric line, the speed of the arrester is limited, because with a decrease in the line impedance to an increase in voltage on the armature, to increase the specified speed, the number of spark channels increases, firing electrodes. and this leads to the complexity of the design.

Цель изобретени - повышение быстродействи разр дника путем уменыненн тдуктивности .The purpose of the invention is to improve the performance of the detector by reducing the inductance.

Claims

This is achieved by the fact that the ignition electrode is also extended, and the length of its working edge is chosen fluid, which forms the following relationship with the distance d mec.d% of the main electrodes and their length L: d- t - L. At the same time, several These spark channels can occur anywhere along the length of the electrodes when an electric field in a voltage exceeding the breakdown voltage is created near the working edge of the ignition electrode. The proposed design of the gaps allows one to achieve an extremely short switching time for a low-resistance electric line, limited only by the development time of the discharge in the gas. The drawing shows a constructive diagram of the surge. The main electrodes 1 and 2 are fixed with the help of the supporting insulators 3 and 4 and connected to the line 5. The ignition electrode 6 is inserted into the gas-filled discharge gap between the main electrodes 1 and 2 through the optical insulator 4 so that the working edge of the ignition electrode located along the median plane of the electrodes 1,

2. The proposed glitch works very well. Low-resistance line 5 is charged to a voltage that does not exceed the probable voltage of the discharge gap. The potential of the ignition electrode 6 is maintained during charging so that it does not create a distortion of the electric field of the discharge gap prior to applying the ignition pulse. Then, by applying an electric impulse to the igniting electrode 6, near the working edge of the igniting electrode, for a time comparable to the time of discharge in the gas, the electric field strength exceeds 1 pivot, which leads to a multiple discharge gap between the main electrodes 1 and 2 s a number of spark channels sufficient to short the discharge gap in time comparable to the time of discharge development in a gas. Claims of the Invention Spark gas discharger containing two large main electrodes and an ignition electrode located between them, characterized in that, in order to increase its speed by reducing inductance, the igniter electrode is also made long, and the length I of its working edge is chosen as which, with the distance d between the main electrodes and their length L, forms the following relation: d Е L