What are the requirements of "needle arrangement manufacturer" round hole arrangement for environment?

In the selection of line on the circular hole needle, there are many factors to consider, during which environmental parameters are one of the most important factors, including temperature, humidity, air pressure and so on. In different environmental conditions, the line of circular hole needle is not the same application method, the following will give us some extreme environment under the use of tips. Round hole row needles

1. High-temperature environment

The metal material and the insulating material for the wire to the hole determines the operating ambient temperature of the coupling. High temperature will damage the edge material, resulting in the insulation resistance and pressure resistance decline; For metals, high temperature can make the touch pair lose elasticity, accelerate oxidation and deposit disintegration. The usual ambient temperature is -40~80℃, especially under the circumstances may beg higher.

2. Moist environment

Relative humidity, greater than 80%, is the main factor causing electrical breakdown. Humid environment cause the absorption of water vapor in the insulator surface and loose, brief make insulation resistance drops to below level M Ω, for a long time in high humidity environment, will cause physical deformation, differentiation, escape products, breathing effect and electrolysis, corrosion and crack. Especially is the line on the outside of the equipment circular hole needle, often to consider the environmental conditions of moisture, water seepage and pollution, this condition should be used to seal connector.

3. Environment with drastic changes in temperature

The humidity shock test is to imitate the practice and application of the linear needle arrangement in the round hole from the cold environment to the warm environment, or to imitate the rapid changes in the environmental temperature of space vehicles and detectors. Abrupt temperature changes may crack or raise the insulating material.

4. Thin air environment

In the thin air in the upper air, the plastic gas pollution touch, and make the corona trend to add, pressure resistance function decline, make the circuit short-circuit defects. At a certain altitude, the plastic's function deteriorates. Therefore, it is necessary to lower the forehead when using the unsealed connector at high altitude.

5. Corrosive environment

According to the line of circular hole needle use in different use of corrosion environment, choose the corresponding metal, plastic, coating structure of the connector, like in the salt fog environment use of the connector, assuming that there is no corrosion of the metal surface, will make the function of the deterioration. Silvered touch pair connectors should not be used in environments rich in appropriate concentrations of SO2. In hot areas, mold is also a primary concern.