SU877409A1

SU877409A1 - Device for testing specimens for light ageing

Info

Publication number: SU877409A1
Application number: SU802871072A
Authority: SU
Inventors: Людвиг Иосифович Беленький; Игорь Валерьевич Гурьянов; Михаил Михайлович Дианич; Николай Петрович Колодный; Александр Павлович Ходыкин
Original assignee: Предприятие П/Я Р-6187
Priority date: 1980-01-18
Filing date: 1980-01-18
Publication date: 1981-10-30

Description

1one

Изобретение относитс к испытательной технике и может быть использовано При испытании образцов на световое старение.The invention relates to a testing technique and can be used when testing samples for light aging.

Известно устройство дл испытани образцов на световое старение, содержащее источник света в виде лк линесцентной лЗмпт, на которой креп тс образцы 1.A device for testing light aging samples is known, which contains a light source in the form of an alkaline lmcmpt on which samples 1 are attached.

Недостатке этого уст|эойства вл етс отсутствие активной вентил ции при размещении образцов на гор чей поверхности лампы, что снижает юс эффективную влажность. Кроме того, на поверхности лампы можно разместить лишь небольшое количество образцов.The disadvantage of this device is the lack of active ventilation when placing samples on the hot surface of the lamp, which reduces the effective humidity. In addition, on the surface of the lamp can be placed only a small number of samples.

Наиболее близким к предлагаемому вл етс устройство дл испытани образцов на световое старение, содержащее камеру, установленный в ней с возможностью вращени вокруг вертикальной оси барабан дл размещени образцов и источник излучени в виде люминесцентных ламп, установленных на , оси вращени барабана 12.Closest to the present invention is a device for testing light aging, comprising a chamber, a drum mounted therein rotatably around a vertical axis for placing samples, and a radiation source in the form of fluorescent lamps mounted on the axis of rotation of the drum 12.

Недостаткеи и устройства вл ютс невысока эффективность и несоответствие условий испытани естественным услови м, так как возникают сложности при имитации цикла типа день/ночьDeficiencies and devices are low efficiency and inconsistency of the test conditions to natural conditions, as there are difficulties in simulating a day / night cycle

Цель изобретени - приближение условий испытани к естественным и повышение э фективности.The purpose of the invention is to bring the test conditions to natural and increase efficiency.

Поставленна цель достигаетс тем, что барабан выполнен из воздухопроницаемого материала и установлен на горизонтальной оси таким образом, что его .верхн половина выступает из камеры, а лн 1инесцентные лампы разto мещены вокруг нижней половины барабана .The goal is achieved by the fact that the drum is made of an air-permeable material and is mounted on a horizontal axis in such a way that its upper half protrudes from the chamber, and the interior lamps are spaced around the lower half of the drum.

На фиг.1 изображено предлагаемое устройство; на фиг.2- разрез А-А tS на фиг.1.Figure 1 shows the proposed device; in Fig.2 is a section aa tS in Fig.1.

Claims

The device comprises a chamber 1, installed in the upper part of the chamber 1 a hollow drum 2, made of an air-permeable material, -20 for example, from bleached linen fabric. The drum 2 can rotate from the drive 3 around the horizontal axis 4, with the upper half of the drum 2 protruding from Xm1. 1. Fluorescent lamps 5 with different spectral composition of radiation are placed around the lower half of the drum 2, for example LDC-40 and LUF-04. In the lower part of chamber 1, a cuvette 6 "30 with WATER is installed. The ends of the lamps 5 to reduce the degree of heating of the samples are removed from the chamber 1 by 10 cm. The device operates as follows. On the outer surface of the drum 2 place samples 7, for example, Dyed textile materials. B raban 2 is rotated from forward water 3 at a given speed, for example 3 rpm. When the drum 2 rotates, the samples in one revolution pass through a day-night cycle. at the top of drum 2, i.e. In the night zone, active irradiation of samples 7 is absent, they are cooled, rested. In the lower part of the drum 2, the samples are irradiated, and the total emission spectrum of the lamps 5 is close to solar i. The temperature in the hoop zone is 42 ° C, in the rest area. Under the action of heat, water from the cuvette 6 evaporates and evenly moistens the air in the chamber. The air-permeable surface of the drum 2 creates Lovi for natural ventilation of the samples and to maintain optimum temperature and humidity. The proposed device makes it possible to carry out light aging tests under conditions close to those of the world, reducing the duration. test and simplify its maintenance. An invention of a device for testing light aging, comprising a chamber mounted therein with a rotatable drum for placing samples and a radiation source in vis ct luminescent lamps, which is intended, in order to bring the test conditions closer to natural and efficiency, the drum is made of air-permeable material and mounted on a horizontal axis so that its upper half protrudes from the chamber, and fluorescent lamps are placed around the lower half of the drum a. Sources of information taken into account in the examination 1.GOST 10761-75.

2. Rosenfeld I.L. and others. Accelerated methods of corrosion testing of metals. M., Metallurgists, 1965, p. 187 (prototype).

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