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The principle and maintenance of automobile circuit

UNIFLY NEWS

The principle and maintenance of automobile circuit

Classification:
Trade news
Author:
2018/02/09 14:27
First, to understand the general order of
The circuit diagram of 2. trajectory drawing, where the contacts of the switch are located in zero or dynamic. That is, the switch is in the form of interruption, or the relay coil is in the form of no electricity. The conduction and closing of switches and transistors with switch characteristics are in the same situation.
3. the characteristics of the motor circuit are dual power supply and single line system, the electrical appliances are in parallel with each other, and the relay and switch are connected in series.
The 4. large limits of electrical equipment all pass through the fuse, which is cherished by the fuse.
The 5. vehicle circuit is compiled by a number of independent circuits according to the effectiveness and the principle area. This can solve the problem of large vehicle circuit trouble and trouble analysis. Now cars are generally the vehicle circuit according to each circuit system to draw, such as power system, starting system, ignition system, lighting system, signal system and so on, these circuits have their own characteristics, to catch the characteristics of each unit circuit layout, grasp the principle, can easily understand the vehicle circuit.
Two, responsible for the injection of
reading circle Be responsible for the note of the reading chart, to know the title and technical type of the circuit diagram, and to know how long it will take to learn the maintenance of the car. Understand the meaning of graphic symbols, device components and graphical symbols one by one correlation, so that the talent quickly and quickly to understand the map.
Three, drive circuit of
In electricity, the loop is the most basic, the most urgent and the simplest concept. Any complete circuit is made up of power, electrical appliances, switches, conductors and so on. Look at the DC circuit, current always marched from the power of the cathode, through the process of wire, fuse, switch to the use of electrical appliances. After the wire (or ground) back to the cathode of the same power, in this process, there is only a part of the circuit is not wrong, accurate and useful. For example: for how long to learn from the positive power supply, car maintenance. After a electrical appliance (or other electrical appliances), it finally returns to the positive pole of the same power. Because the potential difference of the power is only generated between the positive and negative poles of the power supply, the same electrode of the power supply is equipotential, and there is no voltage. This “ from positive to ” the way is that no current is present. In the automobile circuit. The generator and battery power are not confused, looking for a loop, and not to a power supply from the anode. After a number of electrical equipment, back to the negative pole of another power supply, this practice. There will not be a real path, and no current. Look at the car circuit maintenance training. So it is necessary to exaggerate. Loop refers to a power supply from the anode, cathode by using electrical appliances, to return to the same power supply.