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Sanxingdui site archaeological results announced

by:Rika Sensors     2021-09-14
Announcement of Archaeological Achievements at Sanxingdui Site
The cultural relics of Sanxingdui have been buried underground for more than 3,000 years. This site is an ancient city, ancient country, and ancient Shu cultural site with a large range, long duration, and rich cultural connotations that have been discovered in the southwest. The meticulous preservation of useful information is obviously very critical. Archaeologists have also applied many 'black technologies' to sample, preserve, and restore these cultural relics.

If there are no effective prevention measures after the cultural relics are unearthed, and the surface of the cultural relics is in full contact with the air, oxidation will occur quickly, causing damage to the cultural relics, then how should the cultural relics be preserved correctly? The preservation environment of cultural relics has strict requirements on temperature, relative humidity, illuminance, atmospheric environment and biological factors. However, due to the wide variety of cultural relics, different textures and performances, the requirements for the preservation environment are different. For the performance of cultural relics, take necessary measures in a targeted manner. With the application of modern science and technology, the environmental monitoring system for the preservation of cultural relics has been continuously optimized, and online monitoring of factors such as temperature, humidity, illuminance, and harmful gases in the environment has made the preservation of cultural relics safer.

1. Temperature and humidity monitoring

In order to keep cultural relics in good condition for a long time, suitable temperature and humidity are essential conditions. It can be seen from the above table that the storage environment of cultural relics is divided into two categories, namely, inorganic cultural relics and organic cultural relics. The storage temperature of inorganic cultural relics is 14-24 ℃, and the relative humidity is 30%-55%. The storage temperature of organic cultural relics is 14-20℃, and the relative humidity is 50%~60%. The cultural relic preservation environment monitoring system monitors the temperature and humidity in the environment through temperature and humidity sensors. When the temperature is too high, the temperature is reduced in time; when the temperature is too low, the temperature is raised in time; when the humidity is too high, dehumidification measures are taken; the humidity is too small , Humidify.

2. Illumination

Ultraviolet rays and infrared rays in natural light can cause fragility and deterioration of items, and visible light can damage the color and have a destructive effect on cultural relics. Therefore, cultural relics should be protected from direct sunlight. As can be seen from the above figure, the storage light for inorganic cultural relics is between 150 and 300 lux, and the storage light for organic cultural relics is 50 lux, and needs to be protected from ultraviolet rays. Therefore, when cultural relics are stored, shutters or glass should be placed on the windows to reduce the effect of ultraviolet rays. The impact of cultural relics. The cultural relic preservation environment monitoring system monitors the light in the environment through the illuminance sensor, and provides a data basis for managers to adjust in time and effectively.

3. Atmospheric environment

The air pollution in modern society is very serious. When there is a trace of ozone in the atmosphere, it can oxidize metals such as copper, iron, and lead, and cause the pigments on fabrics, paper and colored paintings to fade or change color. Many harmful gases, such as hydrogen sulfide (with the smell of rotten eggs) emitted from coal, rotten food and toilets, are harmful to silverware, copperware and leadware; airplanes, cars, chimneys, coal stoves, etc. Not to mention the carbon dioxide emitted. The air is often mixed with extremely fine hard particles, which combine with moisture to land and deposit on objects, which are prone to the parasitic of microorganisms such as bacteria and molds, and are particularly harmful to various organic cultural relics.

The cultural relic preservation environment monitoring system monitors hydrogen sulfide and carbon dioxide in the environment through hydrogen sulfide sensors and carbon dioxide sensors to help provide fresh air for cultural relics.

Whether a country or a city pays attention to history and cultural heritage can be reflected in the degree of emphasis on the preservation of cultural relics. The application of the environmental monitoring system for the preservation of cultural relics can improve the risk pre-control ability of precious cultural relics, and to a large extent prevent or slow down the destructive effects of environmental factors as cultural relics and materials. It is an important part of the preventive protection of cultural relics.



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