Driverless engineering vehicle high-voltage power battery voltage detection circuit and use method

The invention discloses a driverless engineering vehicle high-voltage power battery voltage detection circuit and a use method, and belongs to the technical field of engineering vehicle electronics. The circuit is characterized in that the circuit comprises a high-voltage power battery voltage input part, a detection circuit power supply circuit part, a battery voltage detection circuit and a signal output part. The invention has the beneficial effects that chips, capacitors and resistors of different types and functions are combined; the obtained circuit framework is a double-end input differential circuit, common-mode interference in the circuit does not influence the difference value of the two input ends and can be counteracted through double-end input, equivalently, common-mode interference is restrained; the circuit is complete in protection function, The system has the characteristics of simple structure, safety, reliability, high electric energy utilization rate, low cost, rigorous topological structu