Environmental factors affecting the service life of circular connectors

Circular connector is the actual use of the environment is very complex, although the product itself has a high degree of security and reliability, can adapt to a variety of different environments. But if used for a long time in harsh environments, then the impact of the environment on its service life can not be ignored, in the many environmental factors in the humidity, temperature and salt spray is an important factor affecting its service life, why do you say so?1, humidity.　　When the relative humidity in the environment is relatively high, the connector on the metal parts will be corroded, resulting in a new drop in insulation throughout the connector, the conductivity will increase, so if the connector is used in the region often rainy, or in the use of the water's edge, it will lead to a shortening of its service life. 2, temperature.　　Temperature also affects the service life of the connector, we know that different seasons with different temperatures, especially in the cold winter and hot summer, the temperature of the environment will be very high or very low, especially in hot weather, when the connector is connected to the power supply, the current itself will have a certain degree of heat, plus high temperature, then it is easy to lead to the connector's jack temperature rises, which is likely to lead to the connector burned out, in general, the connector operating temperature is generally higher than the temperature of the connector. In general, the operating temperature of the connector is generally -60 -200 ℃, as far as possible, do not exceed the temperature of the environment to use. 3, salt spray.　　According to research findings, when the ambient temperature of 35 ℃, the environment of the salt solution concentration of 3%, it is easy to cause corrosion of metals, so the connector is used in such an environment, performance degradation, shortened service life.　　In addition, vibration and shock will also affect the service life of the connector, if the environment used in the presence of significant vibration and shock, will affect the firmness of the connection, so the general products in the factory before the manufacturers need to go through the vibration and shock test.

How to extend the service life of the connector? First, control the connector heat Heat is the connector's number one enemy, but also a common cause of connector failure, there are a lot of heat damage is caused by improper cooling, resulting in a number of components of the reliability is greatly reduced, so in the use of the time, the need for frequent interest in the operating temperature, once more than the operating temperature limit range, it should be cooled down in a timely manner. Second, the connection system needs to be properly assessed need to limit the impact of heat on the service life of the connector, the first thing you need to do is to assess whether the design of the equipment connection system is reasonable, due to attack the need to determine which components can withstand the temperature range to determine the choice of open-loop or closed-loop cooling system to reduce the connector to reduce the failure of the early stage. Third, the use of open-loop cooling system If the use of open-loop cooling system, you need to rely on the air around the connector to dissipate heat, simply put, we can install a fan near the connector, motorized impellers or blowers to increase air mobility, thus helping the connector cooling, but if the ambient temperature itself is relatively high, then this method of cooling is not obvious. Fourth, the use of closed-loop cooling system The use of closed-loop cooling system can not only effectively reduce the temperature of the connector parts of the work, and is not affected by the air environment, generally speaking, the use of air heat exchangers.　　When we save the round electrical connectors, the correct storage can also be avoided too early failure, storage warehouses should be ventilated and dry. It is strictly prohibited to store in direct sunlight and humid environment.

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