Test system and test method of electric automobile high-voltage electric system

Abstract

The invention discloses a test system and a test method of an electric automobile high-voltage electric system. The test system comprises a master control PC (Personal Computer), a batter management system, a to-be-tested high-voltage electric system, a discharging cabinet, a charging cabinet, a constant-current source, a constant-voltage source, an environment simulation box, a rain simulation box, a salt mist simulation box and a test battery set, wherein the battery management system and the to-be-tested high-voltage electric system are controlled by the master control PC. The test method comprises conventional function test steps and reliability test steps. According to the test system and the test method, disclosed by the invention, a standard system and a test label are adopted for testing the electric automobile high-voltage electric system, the defect of the nonstandard test of an existing high-voltage electric system is removed, the quality test of the high-voltage electric system is evidence-based, the operability and the controllability of the high-voltage electric system are increased, the unification of the test method of the electric automobile high-voltage electric system and the test standard is promoted, a severe automobile working condition can be adapted by the high-voltage electric system, the quality of the high-voltage electric system is increased, the safety of a passenger is increased, and the development of a new-energy electric automobile industry is facilitated.

Description

technical field [0001] The invention relates to a testing technology for a high-voltage electrical system of an electric vehicle. Background technique [0002] At present, the development of energy-saving and environmentally friendly electric vehicles is in full swing all over the country. Part of the high-voltage electrical systems used in them are developed by battery manufacturers themselves. The core of their technology is batteries, and the development and production of high-voltage electrical systems are not professional; Even if some high-voltage electrical systems are produced by professional battery management system companies, there are currently no high-voltage electrical system testing standards and testing methods, and their reliability and safety cannot be guaranteed. Contents of the invention [0003] In view of this, one of the technical problems to be solved by the present invention is to provide an electric vehicle high-voltage electrical system testing s...

AI Technical Summary

Problems solved by technology

[0002] At present, the development of energy-saving and environmentally friendly electric vehicles is in full swing all over the country. Part of the high-voltage electrical systems used in them are developed by battery manufacturers themselves. The core of their technology is batteries, and the development and production of high-voltage electrical systems are not professional; Even if some high-voltage electrical systems are produced by professional battery management system companies, there are currently no high-voltage electrical system testing standards and testing methods, and their reliability and safety cannot be guaranteed.

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