DD220453A1 - GAS-FILLED DISCHARGE TUBE - Google Patents

Abstract

THE INVENTION CONCERNS A GAS-FILLED DISCHARGE TUBE, WHICH IS PARTICULARLY DESIGNED FOR USE IN SEEDING EQUIPMENT AND EASILY ESTABLISHED IN MANUFACTURING EQUIPMENT. THE PRESSURE-RELIABILITY OF THE ENCLOSURE OF THE DISCHARGE TUBE AND THE DEPOSIT OF THE RELATED WEIGHT ARE INSIDE TO GUARANTEE MANUFACTURING AND FUNCTIONAL CONTROL OF IMPROPER CONSTRUCTIONS. According to the invention, the housing of the discharge tubes in the area of the discharge area has an elevated wall unit. THE ELECTRODES IN THE BASE ARE INCLUDED THROUGH THERMAL AND ELECTRICALLY GOOD CONDUCTIVE MATERIALS, THROUGH WHICH THE MAKING THERMAL PRODUCTS ARE DERIVED FROM THE OUTSIDE.

Description

Gas-filled discharge tubes Field of application of the invention

The invention relates to a discharge tube with noble gas-filled discharge space for the discharge of high voltages at lower currents. In particular, the tube is for. intended for use in fencing devices

Characteristic of the known technical solutions '

With closed discharge tubes, measures are required to prevent the destruction of the housing by the heat generated during the spark discharge, or by pressure waves forming in the gas.

Protective plates or protective tubes are known, which are arranged between the spark gap and the housing wall, such as e.g. in DD 24854.

A known ife, ßnahme is also the reduction of the trapped gas volume by limiting the discharge space according to DD 2004 465 or by pressure reduction in the enclosed inert gas, as described in DB-OS-2845152.

However, the installation of additional facilities in the tube is always associated with increased effort. The maintenance of a different gas pressure from the atmospheric pressure in the tube is also feasible for longer periods only with increased effort.

-2JH.11934-14O756

Object of the invention , ':

Bs'soll be created a discharge tube, which corresponds to the conditions of use and maintenance of electric fencing equipment, without 'internals and special Kühleinrichtungeη manages, a simple function control by sight allows and whose structure is designed so that the overhaul, possibly the production in simple workshops is possible. ;

Explanation of the essence of the invention

The pressure load capacity of the housing of the discharge tube as well as the dissipation of the resulting heat are to be ensured without internal, the manufacturability and the functional visual inspection impairing fixtures inventionsgemaßgem achieved this, by the use of a housing made of pressure-resistant, transparent plastic, preferably polystyrene, wherein the Wall in the region of the discharge space is made thicker in accordance with the acting from the inside surface pressure load. The electrodes are made of tungsten in a known manner, but each with a base of a thermally and electrically good conductive J material, preferably copper or its alloys, are connected by a press fit. The base is used to conduct the heat outwards through the housing wall. In a known manner then provide AnIStbleche, which are attached to the base outside, for effective heat transfer to the surrounding air.

The rod-like base are designed sufficiently thick for the heat conduction from the cross section. The total mass is such that a certain heat storage capacity is created, which is suitable to absorb the heat impact occurring during the discharge and thus take the temperature peaks on the effectiveness of the housing wall. , The base are further provided on the surface with recesses, preferably with circumferential grooves, so as to allow easy and safe passage through the housing wall and the attachment and sealing by preferably casting resin. , , /

Embodiment

The invention will be explained in more detail with reference to an embodiment and the accompanying drawings. -.,

The housing 1 of the discharge tubes is made of polystyrene and is rotationally symmetrical. In the region of the discharge space 4, the wall of the housing is made stronger in accordance with the pressure loads to be absorbed. The electrodes 2 consist of tungsten or a comparable, thermally wear-resistant, electrical conductor. These electrodes are fixed by means of press fit in the base 3, which have circumferential grooves that allow the integration with a Gießharzfüllung v_ J 5 »To the sockets 3 are outside the tube Anlötbleche 7 attached, in a known manner both the electrical line and the thermal dissipation serve ·

If necessary, one or more ignition electrodes 5 are introduced into the discharge space 4, by means of which the discharge can be initiated at the desired time. The charge discharge space 4 is preferably filled with argon at atmospheric pressure, which is blown through an unillustrated hole in the housing wall 1, which is then closed by plastic welding.

Claims (2)

Brfindungsanspruoh 1. Gas-filled discharge tube, "consisting of a housing of insulating material enclosing a space filled with inert gas, preferably argon ⁷ discharge space, ") to the through the housing 2 electrodes and in the If necessary, an ignition electrode are guided, g e k e η η ζ e i c h η e t d a d u r c h, that the housing wall around the discharge space is designed reinforced for increased pressure load capacity. 2. Gas-filled discharge tube according to item 1, in which the tungsten electrode known per se is inserted into sockets a- which extend through the housing wall and consist of thermally highly conductive Ifetall, in particular copper alloys. J 3 · Gas-filled discharge tubes according to point 2, geke η η - in that the bases have surface recesses, preferably recesses, for better fastening in the housing wall. For this 1 page drawings