Emergency power supply access vehicle automatic isolation wake-up circuit and working process
By designing an emergency power supply to connect to the vehicle's automatic isolation and wake-up circuit, and using the isolated optocouple U1, PMOS tube Q1 and MCU main control, the automatic activation of the emergency power supply system is achieved, solving the problem of cumbersome manual switch activation steps in the existing technology, saving time and ensuring the normal operation of the system.
CN119727351APending Publication Date: 2025-03-28JIANGSU YOULIKA NEW ENERGY TECH CO LTD
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Patent Information
- Application Number
- CN202411857279.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-17
- Publication Date
- 2025-03-28
AI Technical Summary
Technical Problem
The existing 12/24V emergency power supply system requires manual switch activation, which is complicated and wastes time.
Method used
An automatic isolation and wake-up circuit for emergency power access to the vehicle is designed, including emergency power supply, isolated optocoupler U1, PMOS tube Q1, power module and MCU main control, and the emergency power system is activated through an automated workflow.
Benefits of technology
It realizes automatic wake-up of emergency power supplies, reduces manual operation steps, saves time, and ensures the normal operation of the emergency power supply system.
✦ Generated by Eureka AI based on patent content.
Abstract
The invention discloses an emergency power supply access vehicle automatic isolation wake-up circuit which is characterized in that an output switching module is arranged at the positive electrode output end of an emergency power supply, the input end of an isolation optocoupler U1 is communicated with the positive electrode of the output switching module, the first output end of the isolation optocoupler U1 is communicated with the negative electrode of the emergency power supply, a diode D1 is arranged at the input end of the isolation optocoupler U1, and the first output end of the isolation optocoupler U1 is communicated with the negative electrode of the emergency power supply; a resistor R1 is arranged between the input end of the isolation optocoupler U1 and the diode D1; the power supply module is connected with the output switching module in parallel, a diode D2 is arranged between the input end of the power supply module and the positive electrode of the emergency power supply, a PMOS transistor Q1 and a resistor R2 are sequentially arranged between the diode D2 and the input end of the power supply module, and the PMOS transistor Q1 is communicated with the second output end of the isolation optocoupler U1; the input end of the MCU master controller is communicated with the VDD voltage output end of the power supply module, and the output end of the MCU master controller is communicated with the enabling end of the power supply module. The emergency power supply automatic wake-up system has the advantages of reducing manual operation steps and saving time.
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