How to troubleshoot new energy vehicle electrical connectors?

New energy electrical connectors are now widely used in daily life. Because of its small size and reasonable design, various situations often occur in use. For some common failures, we also need to do the corresponding analysis. What should we do when the fault occurs? Connector failure 1:Poor contact. Structurally, the internal metal conductor of the new energy electrical connector is an important part of the whole device. Used to connect the external wire or cable voltage or current and data signals are equal to each other, and transmitted to each other to match the connector contacts. Therefore, the connector design requires automotive connectors with good structure, reliable stability and good electrical conductivity, because this often happens. There are many reasons for this, it may be that the connector contact part of the design is not reasonable, material selection problems, or processing size does not meet the design requirements, rough or installed in the wrong way, etc., will lead to poor connection between the connector and the device. Therefore, contact problems are the first thing to consider when electronic equipment fails. All connectors should be checked, and other problems should be considered when the connection is tight. If it's not an internal connection problem, dial it in and you're good to go. It is also important to pay attention to connector protection during use. Sometimes poor contact is due to improper protection, resulting in localized damage or corrosion of the connector. Generally this situation caused by poor contact is difficult to repair, need to replace the connector, not only trouble, but also a waste of resources, resulting in economic losses. Connector failure 2:Poor insulation. This refers to the influence of the external environment. Usually the performance will be unstable, and the leakage will be more terrible. It can be observed visually. But when you encounter such a problem, you should directly turn off the new energy electrical connector to replace it. The electrical properties of the new energy electrical connector main electrical properties include contact resistance, insulation resistance and electrical strength. (1) Contact resistance: a good electrical connector should have a low and stable contact resistance, the contact resistance of the connector ranges from a few milliohms to tens of milliohms. (2) insulation resistance: a measure of the electrical connector contacts and contacts between the shell insulation performance indicators, the order of magnitude from a few hundred megohms to tens of megohms. (3) electrical strength (voltage): indicates that the connector contacts to withstand the rated test voltage or the ability of the contacts and the shell.

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