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Electronic ignition control method, circuit and system for soft start of magnetic storage current

An electronic control system and electronic ignition technology, applied in the direction of electrical automatic control, automatic control, automatic control, etc., can solve the problem of air intake mis-ignition, etc., and achieve the effect of improving reliability, reducing packaging process costs, and reducing material costs.

Inactive Publication Date: 2020-12-25
张明芬
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the diode leaks or breaks down, the intake misfire problem will still occur

Method used

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  • Electronic ignition control method, circuit and system for soft start of magnetic storage current
  • Electronic ignition control method, circuit and system for soft start of magnetic storage current
  • Electronic ignition control method, circuit and system for soft start of magnetic storage current

Examples

Experimental program
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Effect test

Embodiment 1

[0034] This embodiment provides the first control method, which is applied to the electronic control system of the automobile engine,

[0035] refer to Figure 5 and Figure 6 The engine electronic control system includes engine crankshaft speed sensor CKP, engine piston top dead center sensor CMP, electronic control unit ECU, ignition module (203), ignition coil (100) and spark plug (102), and the ignition module can be placed in the ignition coil assembly The ignition module can also be placed inside the electronic control unit ECU, and the ignition module can also be independent as a component.

[0036] Figure 5 It is a schematic diagram of the soft-opening principle of the basic circuit of an electronic ignition control system with magnetic storage current soft-opening provided by the embodiment of the present invention. Figure 6 It is a schematic diagram of the basic circuit principle of the electronic ignition control system with the magnetic storage current soft-op...

Embodiment 2

[0042] This embodiment provides the second control method, which is applied to the electronic control system of the automobile engine,

[0043] The engine electronic control system includes engine crankshaft speed sensor, engine piston top dead center sensor, electronic control unit ECU, ignition module, ignition coil and spark plug. The ignition module is located inside the ignition coil assembly or the ignition module is located inside the electronic control unit ECU or the ignition module are set independently, see Figure 7 , Figure 7 It is a schematic diagram of the basic circuit soft-opening principle of another electronic ignition control system with magnetic storage current soft-opening provided by the embodiment of the present invention. The technical feature of this embodiment is that the electronic ignition control method includes:

[0044] ①The electronic control unit ECU input interface circuit (271) receives but is not limited to the signal CKP of the engine cr...

Embodiment 3

[0049] This embodiment is applied to the electronic control system of the automobile engine. The electronic control system of the engine includes an engine crankshaft speed sensor, an engine piston top dead center sensor, an electronic control unit ECU, an ignition module, an ignition coil and a spark plug. The ignition module is located inside the ignition coil assembly or The ignition module is located inside the electronic control unit ECU or the ignition module is set independently, such as Figure 8 As shown, the electronic ignition control circuit for soft opening of the magnetic storage current is located in the ignition module (203), and the electronic ignition control circuit for soft opening of the magnetic storage current includes: an ignition pulse leading edge delay unit (204), an ignition pulse trailing edge processing unit ( 205), the ignition primary current constant current control unit (206) and the power transistor (Q1), the ignition pulse front delay unit an...

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PUM

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Abstract

The invention discloses an electronic ignition control method, circuit and system for soft start of magnetic storage current. The method is applied to an electronic control system of an automobile engine, and comprises the steps that (1) an ECU (electronic control unit) calculates the leading edge moment and the delay moment of an engine ignition pulse IGT according to CKP and CMP; (2) the ECU outputs an incremental voltage signal to an ignition module from the leading edge moment of the ignition pulse IGT, so that a power transistor of the ignition module is gradually conducted from cut-off,the primary current of an ignition coil is gradually increased, the occurrence moment of a maximum value of the primary current is earlier than the IGT delay moment, or a preceding-stage circuit in the ignition module outputs an incremental voltage signal to the power transistor of the ignition module, the power transistor is gradually conducted from cut-off to enable the primary current of the ignition coil to be gradually increased, and the occurrence time of the maximum value of the primary current is earlier than the delay moment of the IGT; (3) when the delay of the ignition pulse IGT arrives, the power transistor in the ignition module is cut off. Constant-current control can also be added.

Description

technical field [0001] The invention belongs to the technical field of advanced manufacturing of automobile electronic appliances, and in particular relates to an electronic ignition control method, circuit and system for soft opening of magnetic storage current. Background technique [0002] As the most important means of transportation in modern society, automobiles have fully penetrated into social production and people's lives, bringing convenience and comfort to people's travel. [0003] As the mainstream driving form of fuel vehicles--EFI gasoline engine, its electronic degree is getting higher and higher, fuel economy and engine energy conversion efficiency are more optimized. Electronic ignition system plays a pivotal role in modern EFI gasoline engines. Affects the comprehensive performance of the vehicle's power, fuel economy, exhaust emissions and many other aspects. [0004] The existing electronic ignition systems of automobiles can be divided into two types ac...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02P5/145F02P3/02F02P3/05
CPCF02P3/02F02P3/05F02P5/145
Inventor 张明芬
Owner 张明芬