SU1561066A2 - Apparatus for photographic gaseous discharge from liquid-phase objects in electric field of high intensity - Google Patents

Abstract

The invention relates to a device for photographing a gas discharge from liquid-phase objects in a high-voltage electric field. It allows to improve the quality of photographing due to the stabilization of discharge conditions. The electrode 4 for forming a non-uniform electric field located inside the dielectric measuring tube is made in the form of a metal cylinder with a conical end. The tube has a tip 3, made of a dielectric material, such as Plexiglas, in the form of a cylinder with a conical end. The investigated liquid-phase object is typed by a piston 8 into the tip 3 with an orifice hole. A voltage is applied between the electrode 1 and the electrode 4. A sliding gas discharge arises between the meniscus of the liquid 7 and the electrode 1, which forms a latent image on the photographic material, carrying information about the liquid-like object under study. 2 Il.

Description

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The invention relates to the non-destructive testing and diagnosis of liquids and objects in the liquid phase.

The aim of the invention is to improve the quality of photographing by stabilizing discharge conditions.

Figure 1 schematically shows the device; figure 2 - the same, installed in the holder.

The device comprises a flat electrode 1 for placing a photo material on it, a dielectric measuring tube 2 with a tip 3 made of a dielectric material

for example, Plexiglas, in the form of a cylinder with a conical end, an electrode 4 for forming a non-uniform electric field, which is made in the form of a metal cylinder with a conical end. Electrode 4 and tip 3 are aligned with each other and have an axial channel 5. The diameter of the channel 5 is equal to the diameter of the calibration hole of the tube 2.

The device works as follows.

On the plane of the electrode 1 place the photo material 6. The study

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Fluid 7 is assembled with piston 8 into tip 3 with a calibration hole. The volume of liquid is determined by the length of the capillary, which is a strictly fixed value. The electrode 4 is in contact with the surface of the liquid 7 and with an electrically conductive plate 9. When using a medical syringe, the test liquid is collected in the usual way, and the electrode 4 is the metallic completion of the syringe with a calibration hole.

The measuring tube 2 is inserted into the holder so that the electrically conductive plate is pressed against the contact connected to the positive pole of the generator 10. A voltage is applied between the electrode 1 and the electrode 4, resulting in a sliding contact between the meniscus 7 and the flat electrode 1. the gas discharge, which forms a latent image on the photographic material, carrying information about the liquid object under study. After disconnection, the photographic material and the liquid portion are replaced, after which the process is repeated as necessary.

Improving the quality of photographing due to the stabilization of discharge conditions is achieved by researching /// 7 /// U /

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Due to capillary forces, the liquid rises along the axial channel, first in the tip, and then in the electrode, and its part, which is only in the axial channel of the tip, participates in the formation of the image, because current transfer between the electrodes occurs in this part.

Claims (1)

Invention Formula A device for photographing a gas discharge from liquid-phase objects in a high-voltage electric field according to ed. No. 1241181, characterized in that, in order to improve the quality of photographing by stabilizing the discharge conditions, the dielectric tube has a tip made of a dielectric material, such as Plexiglas, in the form of a cylinder with a conical end, and the electrode for forming a non-uniform electric field is made in the form a metal cylinder with a conical end, with the electrode and the tip mounted coaxially relative to each other and have an axial channel whose diameter is equal to the diameter of the calibration answer rsty. at V) © Compiled by L. Nosyreva Editor L. Veselovska Tekhred L. Oliynyk Proofreader N. Revska Order 977 Circulation 372 VNIIPI State Committee for Inventions and Discoveries at the State Committee on Science and Technology of the USSR 113035, Moscow, Zh-35, Raushsk nab. 4/5 FIG. 2 Subscription