The high and low temperature low pressure test chamber is a test equipment for simulating environmental parameters such as pressure, temperature and humidity in high altitude areas. The study found that low air pressure has a significant impact on some electrical properties of some products, mainly reflected in: 1. The corona voltage of electrical products is reduced, the electrical strength of external insulation is reduced; 2. The air density is reduced, and the heat dissipation capability is reduced. The product that causes natural convection, forced ventilation or air radiator as the main heat dissipation method is prolonged; 3. The on-off capability and electrical life of the shape electrical products with free air as the arc-extinguishing medium are affected to some extent. The effects of low air pressure on the mechanical properties and structure of the product are mainly as follows: 1. The pressure drop or increase of the air pressure will increase the pressure difference between the inside and the outside of the sealed container of the product, which may easily cause the gas or liquid to leak from the sealed joint of the sealed container or Inward penetration may even cause the container to rupture; 2. The pressure drop will accelerate the evaporation or evaporation of the filler and solvent substances contained in some materials, prompting the accelerated aging of the material. Product related keywords: high and low temperature low pressure test chamber, low pressure test chamber, high temperature and low pressure environmental test chamber.
Product Description
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Influence of low pressure environment of high and low temperature low pressure test chamber on products