The composition of the automobile electrical system, HD color map
Electric vehicle door and window system
The electric vehicle door and window system drives the door and window glass moving through the servo motor and the lifting mechanism, and the system is operated by electric vehicle door and window switch. As shown in Fig. 27-1, the door window glass is fixed to the two brackets of the front and rear rails. When the motor is running, the bracket slides on the guide in the guide under the drive of the cable, so that the door and window glass rises or decreases.
Electric scraping and cleaning device
The role of the wiper and the cleaning device is to scrape / clean the rain, snow or dust on the windows. The composition of the electric scraping and cleaning device is shown in Figure 27-2.
Electric sunroof system
The electric sunroof has a function of tilt opening and sliding opening. Its main function is to use the negative pressure in the outer surface of the sunroof in the vehicle driving process to improve the air quality in the vehicle. As shown in Figure 27-3, the electric sunroof system is mainly composed of a sunroof switch, a sunroof motor, and a control unit, a sunroof assembly.
Door lock remote control system
The door lock remote control system does not use the key, and the wireless remote control device of the door is locked / unlock the door in a certain distance. The structure of the door lock remote control system is shown in Figure 27-4. Two electric motors for uplocking / unlocking and upper insurance / release insurance per door lock are installed, and various micro switches are also installed in the door lock.
Intelligent key system
The smart key system is also known as “keyless entry and start system”, which can unlock the door and start the function of the engine without operating the remote control. The composition and working principle of the system are shown in Figure 27-5.
The role of the car lighting system is to provide lighting for the driver, passengers and traffic managers in the low night or visibility, and make a reminder or warning to other vehicles and pedestrians. The system is mainly composed of a luminaire, a power supply, and a control circuit (including the light control switch). The main components of the front lighting system of the body are shown in Figure 27-6.
The car audio system is mainly composed of an audio host, a power amplifier, a speaker, antenna, a sound processing device, and an attachment. The composition of the standard car audio system is shown in Figure 27-7. The sound system is powered by the battery of the battery. The sound system can be opened when the ignition switch is placed in the ACC. The radio antenna receives the FM, AM broadcast, transferred to the audio host, and then sounds sound by the speaker.
The structure of the MIB flagship Dan taped sound applied to the car is shown in Figure 27-8.
The working principle of the airbag system (SRS) is shown in Figure 27-9. When the car crashes, the airbag control unit (SRS ECU) detects the impact force (vehicle deceleration) exceeds the set value by the collision sensor, and the SRS ECU immediately turns on the electric surge circuit in the inflatable element and quickly saves. The airbag is inflated and popped up, relieves the collision impact, protect the driver and passengers.
The airbag system of modern cars includes collision sensors, airbag control units, fault indicators, driving side airbags, passenger side airbags, front / rear side airbags, seat belt tighteners, etc. The composition of the airbag system is shown in Figure 27-10.
Source: Car craftsman