What is The Xenon Lamp Aging Test Chamber?
It is a test instrument with light, temperature and humidity. Many products are placed outdoors. Through sunlight exposure, acid rain washing, and mold degradation, the products are destroyed after a period of use. Some appearance changes color and are no longer beautiful, and some even damage the core components of the internal and external products, causing the machine to be damaged. It cannot be used and must be replaced.
These phenomena cannot be manifested in a day or two in real life. It may take a month, a year, or longer. The function of the xenon lamp aging test chamber is to simulate the harsh environment, so that placing it in the test chamber for a day is equivalent to being outdoors. Placed for one month, placed in the test chamber for half a month is equivalent to six months to one year outdoors.
So if we want to set the service life of our products to ten years, then we cannot wait until after ten years to see the results for mass production. We can place them in a xenon lamp aging test chamber for one to two months. It is equivalent to being outdoors for five to ten years. If the samples are found to be unqualified in the test, they can be improved immediately. After the improvements are made, they can be mass-produced, which guarantees quality and saves time.
The xenon lamp aging test chamber performs imitating and strengthening experiments from the main climatic elements of light energy, temperature, rainfall or condensation, and humidity; xenon arc lamps that can imitate the full sunlight spectrum are selected to reproduce the destructive light waves that exist in different environments .
Which industries need to use xenon lamp weather test chamber?
The xenon lamp weathering test chamber uses xenon lamps to simulate the ultraviolet light, visible light and infrared light in the natural climate. The light is used to photo-age the product, so as to quickly determine whether the product is resistant to light. It is mainly used in coatings, construction materials, textiles, furniture leather and other industries.
Coated paint: People are all outdoors, so the shells on cars need to be tested in light to see whether the material of the shell will age out under the light for a long time.
Building materials: can be divided into structural materials, decorative materials and some special materials. Materials that have been exposed to the sun for a long time need to use a xenon lamp aging test box to test the light resistance intensity.
Textiles: The clothes that people wear, the curtains at home, etc., are easy to understand. Light tests are needed to detect whether they will fade after a long period of use.
Furniture leather: A good set of furniture is believed to last 40 or 50 years for a family. Of course, good furniture also needs to be tested. Not only does it need to do a light test, but also a temperature and humidity test, so as to determine whether the sofa will fall after many years of use. skin.
What are the types of xenon lamp weathering test chambers?
The sample of the tester is regular, and the water-cooled type (such as flake, strip) is recommended for samples with a relatively small size; the air-cooled type is recommended for irregular samples, which are relatively large and difficult to sample.
What are the advantages and disadvantages of the water-cooled xenon lamp weathering test chamber?
Advantages: The lamp tube of the water-cooled xenon lamp is installed in the middle of the equipment, and it is installed vertically. The turntable with the sample rotates around the lamp tube. The advantage is that the distance between each sample and the lamp tube is equal, which ensures that each sample is irradiated with the same radiation intensity, which is very comparable.
Disadvantages: The volume of the turntable installation equipment is relatively large, and it is equipped with cold water equipment and pure water system, so the price is relatively expensive. In addition, the use of consumables: water-cooled xenon lamp is also expensive.
What are the advantages and disadvantages of the air-cooled xenon lamp weather test chamber?
Advantages: The lamp tube of the air-cooled xenon lamp is installed above the inner box of the equipment. It is installed horizontally. The sample holder is installed in the middle of the inner box. The distance from the lamp tube can be adjusted according to the size of the sample. Its advantage is simple structure and testing. Larger space is suitable for testing samples with irregular sizes. The price is relatively affordable.
Disadvantages: The distance between the sample in the inner box and the lamp tube is not equal, or the sample placed in the corner receives weak radiation, so it is necessary to suspend the test and adjust the sample placement position.
How to choose the irradiance of xenon lamp?
Light irradiance refers to the ratio of light energy irradiated on a plane. The equipment must be able to control the intensity of light irradiation in order to achieve the purpose of accelerating the test and reproducing the test results.
The change of light irradiance will affect the rate of material deterioration, while the change of light wave wavelength (such as the energy distribution of the spectrum) will also affect the rate and type of material degradation. The radiation of the equipment is equipped with a light sensor probe, also known as the sun eye, a high-precision light control system, which can compensate in time for the drop in light energy caused by the aging of the lamp tube or any other changes.
Xenon lamps have the following options for irradiance:
1. Full spectrum 290-2450nm band, 400～1120 W/m2;
2. Ultraviolet 340NM band, 0.35～0.9W/m2;
3. Ultraviolet 300～400NM wave band, 40W～60W;
4. 420NM band, 0.55～1.2W/m2;
When we choose the xenon lamp, we must also choose the appropriate irradiance of the test product, so that we can get objective test results!