RU211248U1 - Device for electrical connection of in-chamber components with the vacuum vessel of a thermonuclear reactor - Google Patents

Abstract

The utility model relates to thermonuclear technology and can be used in devices for electrical connection of in-chamber components with the vacuum vessel of a thermonuclear reactor. The device for electrical connection of the in-chamber components with the vacuum vessel of the thermonuclear reactor is made in the form of a monolithic block with shaped slots and conductive elements located in the form of a package between the flanges. The flanges are made on the end sections of the monolithic block. The conductive elements are made of the same thickness with multidirectional surface areas, and at the transition points between the multidirectional surface areas of the conductive elements, through holes are made. The technical result is an increase in the cyclic strength of the conductive elements at the transition points between differently directed sections of their surfaces. 2 ill.

Description

The utility model relates to thermonuclear technology and can be used in devices for electrical connection of in-chamber components with the vacuum vessel of a thermonuclear reactor.

The closest to the claimed utility model in terms of essential features is a device for electrical connection of in-chamber components with a vacuum vessel of a thermonuclear reactor, made in the form of a monolithic block with shaped slots and conductive elements located in the form of a package between the flanges, which are made at the end sections of the monolithic block, in this case, the conductive elements are made of the same thickness with multidirectional surface areas (see Yu.G. Dragunov, A.Yu. Leshukov, Yu.S. Strebkov and others. Development of the design, manufacture and experimental justification of the operability of the components of the ITER blanket system. VANT. Ser Thermonuclear Synthesis, 2016, v. 39, issue 4, p. 21, Fig. 14).

A known device for electrical connection of intra-chamber components with a vacuum vessel of a thermonuclear reactor, made in the form of a monolithic block containing two flanges connected by conductive elements. At the transition points between differently directed sections of the surfaces of the conductive elements during the operation of the reactor, the greatest range of deformations occurs, which can lead to the appearance and development of a crack up to the complete destruction of the conductive element.

The disadvantage of the known device is the possible violation of the electrical connection between the intra-chamber component and the vacuum vessel of the thermonuclear reactor under the action of cyclic movements of the intra-chamber component relative to the vacuum vessel and alternating ponderomotive forces arising during the operation of the thermonuclear reactor. In places of transition between differently directed sections of surfaces of conductive elements, the range of deformations reaches the greatest values, which limits the cyclic strength of conductive elements.

The objective of this utility model is to create a device for electrical connection of the in-chamber components with the vacuum vessel of a thermonuclear reactor, which will increase the reliability of the electrical connection between the in-chamber component and the vacuum vessel of the reactor and thereby ensure the reliable operation of the thermonuclear reactor as a whole.

The technical result of this utility model is an increase in the cyclic strength of conductive elements at the transition points between differently directed sections of their surfaces.

The specified technical result is achieved by the fact that the known device for electrical connection of in-chamber components with a vacuum vessel of a thermonuclear reactor, made in the form of a monolithic block with shaped slots and conductive elements located in the form of a package between the flanges, which are made at the end sections of the monolithic block, while conductive the elements are made of the same thickness with multidirectional surface areas, according to the utility model, through holes are made at the transition points between the multidirectional surface areas of the conductive elements.

In addition, the through holes are made in a multiple of two, and are located at the same distance from the edges of the conductive element.

The coincidence of the areas of plastic deformations formed in the material of the conductive elements in front of the growing cracks with the areas of through holes made at the transition points between differently directed areas of the surfaces of the conductive elements excludes the possibility of crack propagation outside the areas of through holes in the direction towards the center of the conductive elements by eliminating the possibility of propagation plastic deformations outside the material of the current-carrying element, and, as a result, prevents a possible violation of the electrical connection between the in-chamber component and the vacuum vessel of the thermonuclear reactor. Eliminating the possibility of breaking the electrical connection makes it possible to increase the cyclic strength of the conductive elements at the transition points between differently directed sections of their surfaces.

Making through holes in a multiple of two when they are located at the same distance from the edges of the conductive element is due to the condition of the symmetry of the conductive element.

The essence of the utility model is illustrated by the drawings, where in Fig. 1 shows a device for electrical connection of in-chamber components with a vacuum vessel of a thermonuclear reactor assembled with a vacuum vessel and an in-chamber component (longitudinal section), in Fig. 2 shows a device for electrical connection of in-chamber components with a vacuum vessel of a thermonuclear reactor (general view, isometry).

The device for electrical connection of in-chamber components with the vacuum vessel of a thermonuclear reactor contains two flanges 1,2 and a package of conductive elements 3 located between them with differently directed surface areas. Flanges 1 and 2 are used to fasten the device to the in-chamber component 4 and the vacuum body 5. The device is a monolithic block made from a single billet of electrically conductive material. In the central part of the monolithic block, there are current-carrying elements 3, which have a wave-like shape and are made of the same thickness with differently directed sections of surfaces, the gaps between which form shaped slots made by electroerosive machining. In places of transition between differently directed sections of surfaces of conductive elements 3, through holes 6 are made at the same distance from their edges. The end sections of the monolithic block are flanges 1 and 2, in which mounting holes are made for attaching the device to the vacuum body 5 and the intra-chamber component 4.

The device works as follows.

When the plasma current is interrupted, a large electric current must be diverted from the in-chamber component 4 to the vacuum housing 5. From the in-chamber component 4, the current flows into the device through the flange 2. From the flange 2, through the conductive elements 3, having multidirectional surface areas, the current flows to the flange 1. From the device, through the flange 1, the current flows into the vacuum housing 5 of the thermonuclear reactor. During operation of a thermonuclear reactor, due to the pulsed nature of its action, the flange 2 connected to the in-chamber component 4 is cyclically displaced together with the latter relative to the flange connected to the vacuum body 5. In this case, the implementation of through holes 6 at the transition points between differently directed sections of surfaces at the same distance from the edges of the conductive elements 3 prevents possible disruption of the electrical connection between the in-chamber component 4 and the vacuum vessel 5 of the thermonuclear reactor, which increases the cyclic strength of the conductive elements 3 and, in turn, increases their reliability.

Claims (2)

1. A device for electrical connection of in-chamber components with a vacuum vessel of a thermonuclear reactor, made in the form of a monolithic block with shaped slots and conductive elements located in the form of a package between the flanges, which are made at the end sections of the monolithic block, while the conductive elements are made of the same thickness with multidirectional sections of surfaces, characterized in that at the transition points between differently directed sections of the surfaces of the conductive elements, through holes are made. 2. The device according to claim. 1, characterized in that the through holes are made in a multiple of two, and are located at the same distance from the edges of the conductive element.

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