What are the main advantages of an electronically electric fire system?

The main advantages of automotive electronic ignition systems are:

1. It can reduce contact sparks, avoid contact ablation, and prolong the service life of contacts; In some cases, the contact can be eliminated, thus overcoming all the shortcomings associated with the contact and improving the ignition performance.

2. It can increase the primary current, increase the secondary voltage, and improve the ignition performance of the engine at high speed without the limitation of the contact. Generally, the low-voltage current of the traditional ignition system does not exceed 5A, while the electronic ignition system can be increased to 7 8A, and the secondary voltage can reach 30kV.

3. Due to the increase of secondary voltage and ignition energy, it is insensitive to spark plug carbon deposition, and can increase the spark plug electrode gap and ignite the dilute mixture, which is conducive to improving the power, economy and exhaust purification performance of the engine.

4. It greatly reduces the interference to the radio.

5. Simple structure, light weight, small size, easy to use and maintain.

The biggest difference between the traditional ignition system and the electronic ignition system is the increase in ignition energy. The most basic function of an electronically controlled ignition system (ESA) is early ignition control.

According to the relevant sensor signals, the system judges the operating conditions and operating conditions of the engine, and selects the most ideal ignition advance angle to ignite the mixture, so as to improve the combustion process of the engine, so as to achieve the purpose of improving the engine power, economy and reducing emission pollution.

The main components of the electronic ignition system.

With the development of automobile gasoline engines in the direction of high speed, high compression ratio, high power, low fuel consumption and low emissions, the traditional ignition device has not adapted to the requirements of use. The core components of the ignition device are the ignition coil and the switchgear, and the spark plug can produce a spark with sufficient energy to increase the energy of the ignition coil, which is the basic condition for the ignition device to adapt to the operation of modern engines.

There are two sets of coils in the usual ignition coil, the primary coil and the secondary coil. The primary coil uses thicker enameled wire, usually about 200-500 turns of enameled wire about millimeters; Finer enameled wire is used for secondary coils. One end of the primary coil is connected with the low-voltage power supply (+) on the vehicle, and the other end is connected with the switchgear (cut-off).

One end of the secondary coil is connected with the primary coil, and the other end is connected with the output end of the high-voltage line to output high-voltage electricity.

The traditional ignition system has platinum contacts in the distributor, while the electronic ignition system does not, eliminating the need to adjust the platinum gap and replace the platinum.

The traditional ignition system has a simple structure and low cost, and is an earlier and more common ignition system.

However, the ignition system has poor working reliability, and the ignition condition is greatly affected by the speed and contact technical conditions, and needs to be frequently repaired and adjusted. With the development of automotive technology, the traditional ignition system is increasingly incompatible with the ignition requirements of modern engines, and is increasingly being replaced by the new electronic ignition system.

The ignition voltage and ignition energy of the electronic ignition system are high, less affected by the working conditions and use conditions of the engine, simple structure, reliable work, small maintenance and adjustment workload, fuel saving, pollution reduction, and increasingly widely used.

Summary. Hello, don't click to end, I'm textual to give you the full answer, 2-3 minutes.

Hello, don't click to end, I'm textual to give you the full answer, 2-3 minutes.

The traditional ignition system, also known as the platinum ignition system, uses a platinum contact to realize the on-off of the ignition coil, so this platinum contact is easy to produce electric sparks when working, and the service life is short. The electronic ignition system uses a signal generator, and the electronic signal generator will not produce electric sparks during work, so the service life is longer.

In recent years, car engines.

It is moving towards multi-cylinder, high-speed, high-compression ratio.

direction. Attempts are also being made to reduce exhaust pollution and save fuel by improving the combustion of the mixture and burning the dilute mixture. All of this requires an automotive ignition system that can provide sufficiently high secondary voltage, spark energy, and optimal ignition time.

Conventional ignition systems cannot meet these requirements. Therefore, in recent decades, countries have been actively exploring ways to improve and have developed a range of electronic ignition systems.

Advantages of electronic ignition systems.

This is because the electronic ignition system has the following advantages:

1) It can reduce contact sparks, avoid contact ablation, and prolong the service life of contacts; Some can also eliminate contacts, overcoming all contact-related shortcomings and improving ignition performance.

2) It can increase the primary current, increase the secondary voltage, and improve the ignition performance of the engine at high speed, without being limited by the contact. The low-voltage current of the traditional ignition system is generally less than 5A, while the low-voltage current of the electronic ignition system can be increased to 7 8A, and the secondary voltage can reach 30kV.

3) Due to the increase in secondary voltage and ignition energy, the spark plug.

Carbon deposition is not sensitive, which can increase the spark plug electrode gap and ignite the dilute mixture, which is conducive to improving the power, economy and exhaust purification performance of the engine.

4) The interference to the radio is greatly reduced.

5) Simple structure, light weight, small size, easy to use and maintain.

Hello The traditional ignition system has a simple structure and low cost, and it is an earlier and more common ignition system. However, the ignition system has poor working reliability, and the ignition condition is greatly affected by the speed and contact technical conditions, and needs to be frequently repaired and adjusted.

In the traditional ignition system, the contact of the breaker is the weakest link, when the contact of the breaker is separated, sparks are generated between the contacts, so that the contact is oxidized and ablated, so the service life of the contact of the breaker is short, and it needs to be maintained frequently; The size of the contact spark is related to the size of the primary current, which limits the increase of the primary current and secondary voltage of the ignition system. The magnitude of the primary current and the secondary voltage decreases with the increase of the engine speed and the increase of the number of cylinders, which makes the multi-cylinder engine unreliable at high speed; When the spark plug deposits carbon, it cannot be reliably ignited due to the low leakage secondary voltage.

The ignition voltage and ignition energy of the electronic ignition system are high, less affected by the working conditions and conditions of the engine, simple structure, reliable work, small maintenance and adjustment workload, fuel saving, pollution reduction, and increasingly widely used.

The electronic ignition system uses an ignition signal generator instead of a contact trigger, also known as a semiconductor ignition system, which can meet the requirements of today's automobiles, and the ignition system can have enough secondary voltage, spark energy and optimal ignition time and other conditions.

With the development of automotive technology, the traditional ignition system is increasingly incompatible with the ignition requirements of modern engines, and is increasingly being replaced by new electronic ignition systems.

The difference between the traditional ignition system and the electronic ignition system.

The working process of the mechanical ignition system is that the crankshaft drives the distributor shaft to rotate, and the cam on the distributor shaft rotates, so that the secondary contact of the ignition coil is connected and closed to generate high voltage. This ignition high-voltage electricity is sent to the spark plugs of each cylinder in order according to the working requirements of the engine through the splitter head on the distributor shaft, and the spark plug emits an electric spark to ignite the gas in the combustion chamber. The distributor housing can be manually rotated to adjust the basic ignition advance angle (i.e. the ignition advance angle at idling), as well as the vacuum advance device, which provides different advance angles depending on the change in the vacuum level in the intake pipe.

The electronic ignition system is completely different from the mechanical ignition system in that it has an electronic control device for ignition, and there are ignition control curves (maps) required by the engine in various operating conditions. Through a series of sensors such as engine speed sensor, air intake pipe vacuum sensor (engine load sensor), throttle position sensor, crankshaft position sensor, etc., to judge the working state of the engine, find out the ignition advance angle required by the engine in this working state on the map diagram, and carry out ignition according to this requirement. Then the above ignition requirements are corrected according to the knock sensor signal, so that the engine works at the best ignition time.

The electronic ignition system also has closed-loop control and open-loop control: the electronic control system with a detonation sensor that can correct the ignition advance angle in time according to whether the engine detonation occurs is called a closed-loop control system; Without a knock sensor, the ignition advance control is only controlled according to the program set in the electronic control unit, which is called an open-loop control system.

Mainly in the ignition accuracy, the traditional ignition system, the ignition advance angle will deviate with the use, and the electronic ignition system will not, in short, a lot is not as good as the electronic, but its advantage is in the simple structure.

It has the following advantages.

1) It can provide the required ignition voltage and ignition duration in a wide range of speeds.

2) It can provide the best ignition advance angle under different load and speed conditions.

3) It can advance the ignition time to the range where the gasoline engine is just without detonation.

4) Improve the power, economy and purification of the engine.

5) Compact structure, high reliability, low cost, low power consumption, no need for cooling, good responsiveness, etc.