5 pin 6098-3810 90980-12541 Auto Headlight Brightness Height Adjustment Wire Socket 0.7 Series

The protection of the connector is mainly divided into three arrangements: 

The first one is the board end seal: the board end is the connector socket end which is installed by mechanical connection with four screws. This is a relatively common structure, and there are also some special structures;

The second is the plug-in seal of the head seat: the plug-in of the head seat means that the male end contains the female end or the female end contains the male end, and rubber parts are used in the middle for radial and axial protection;

The third is the line end seal, the protective seal between the line end connector and the cable

With the development of the market for high-voltage connectors for electric vehicles, the performance requirements for product protection of OEMs are also constantly improving. In the early stage of industry development, the protection requirements of IPI67 can already meet the vast majority of customers. However, in the later stage, as the protection failure of connector products appeared on the market, there were more and more cases of product leakage, insulation failure, and even ablation.

The gradual improvement of protection requirements has become the development trend of electric vehicles. At present, the requirements of IP67 cannot meet the requirements of normal use. Of course, this is not absolute, and it depends on the position of the connector on the vehicle. According to the layout of the high-voltage circuit in the whole vehicle, it will be suspended under the chassis of the car. It is a principle that the high-voltage should not enter the cabin. Therefore, most high-voltage connectors will be placed on the chassis close to the ground or near the hub. When some In bad weather, such as severe rainstorm or severe cold weather, the water brought by your tires will actually impact these connectors. If you are familiar with the test, the domestic standard does not have IP6K9K, you will It is found that if it is IP67, the impact pressure of the high-pressure water gun is actually not as large as 6k9k. When the car is driving at high speed, when suddenly wading into the water, the instantaneous water pressure rushing to the connector will be very high, so sometimes it is difficult for IP67 to meet the actual use requirements. In view of this, the current domestic standard QC/T1067 and the foreign standard USCAR divide the connector seal into two levels, S1 and S2. For the S2 level, it is clearly stipulated that the applicable occasion is the lower position of the chassis, and the recommended ones are 6K and 9K, so the future connection protection must be 6K and 9K. If the connector is not arranged in the above position, the IP67 design can still meet the requirements of the whole vehicle.

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