Talk about the performance of the car connector
Aug 30, 2023| How much do you know about the performance characteristics of the car connector? The use of car connectors is still very large in the automotive industry. We also need to understand the performance of some products correctly. For some common features of car connectors, the Kangrui connector manufacturer will tell you about the product performance of the car connector.
Common environmental functions include temperature resistance, humidity resistance, salt resistance, vibration resistance, impact resistance, etc.
Temperature resistance: The maximum operating temperature of the car connector is 200 ° C (except for a few high-temperature special car connectors), and the lowest is -65 ° C. When the car connector works, the current generates heat at the contact. When the car connector works, the current generates heat at the contact, resulting in the increase in temperature. Therefore, it is generally believed that the working temperature should be equal to the sum of the temperature and contact point temperature. In some specifications, it is clearly stipulated that the allowable high temperature to rise at the additional working current.
Salt -resistant: When the car connector runs in an environment containing water and salt, its metal component and the surface treatment layer of the contact parts may occur in electrochemical corrosion, which affects the physical and electrical functions of the car connector. In order to click on the function of this environment, the salt fog test is specified. It is to hang the car connector in the temperature control test box and spray the compressed air with a concentrated concentration of sodium chloride solution to form a salt mist atmosphere. The exposure time is stipulated by the product manual, at least 48 hours.
Waterproof head function
Anti -vibration impact: Vibration impact is an important function of electric vehicle connectors, especially in special application environments such as aerospace, railway, and highway transportation. Testing the stability of the mechanical structure of the electric vehicle connector and the reliability of electrical contact is an important policy. There are clear regulations in the related test methods. The peak acceleration, duration, pulse waveform and power -powered time shall be specified in the impact test.
The invasion of the moisture will affect the insulation function of the H connection and corrode the metal parts. The condition of damp heat test is 90%~ 95%of the relative humidity (according to the product manual of 98%), the temperature is+40 ± 20 ° C, and the test time is at least 96 hours according to the product regulations. The intercourse damp heat test is stricter.