Method and device for diagnosing low-voltage power supply fault of power battery system and electric automobile
A power battery and low-voltage power supply technology, which is applied in the field of low-voltage systems, can solve problems such as the inability to guarantee low-voltage power supply at the input end of the power battery system, and achieve the effects of preventing loose bolt connections, low cost, and accurate fault warning
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[0035] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, a detailed description will be given below in conjunction with the accompanying drawings and specific embodiments.
[0036] The embodiment of the present invention addresses the problem of the inability to monitor the low-voltage power supply at the input end of the power battery system in the prior art, which results in the inability to determine whether the power battery system has a low-voltage power supply failure in time, resulting in the inability to ensure the safety of the battery system and the driving safety of the driver. The method and device for diagnosing the low-voltage power supply fault of the power battery system and the electric vehicle improve the stability and reliability of the low-voltage power supply of the power battery system, and achieve the purpose of fault prevention, monitoring and diagnosis.
[0037] Such as figure 1 As show...
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