High-frequency high-energy spark discharge ignition device

A spark discharge and ignition device technology, which is applied to spark ignition controllers, capacitor energy storage devices, and other devices, can solve the problems of low cycle discharge frequency of the engine, poor controllability of discharge time, and insufficient energy of the ignition device. , to achieve the effect of improved fuel economy, enhanced capability, and improved lean burn limit

Active Publication Date: 2020-10-16
SHANGHAI JIAO TONG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In view of the above-mentioned defects of the prior art, the technical problems to be solved by the present invention are insufficient energy of the ignition device, poor controllability of the discharge time, and low discharge frequency of a single engine cycle

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Embodiment Construction

[0026] The following describes several preferred embodiments of the present invention with reference to the accompanying drawings, so as to make the technical content clearer and easier to understand. The present invention can be embodied in many different forms of embodiments, and the protection scope of the present invention is not limited to the embodiments mentioned herein.

[0027] In the drawings, components with the same structure are denoted by the same numerals, and components with similar structures or functions are denoted by similar numerals. The size and thickness of each component shown in the drawings are shown arbitrarily, and the present invention does not limit the size and thickness of each component. In order to make the illustration clearer, the thickness of parts is appropriately exaggerated in some places in the drawings.

[0028] Such as figure 1 As shown, a high-frequency high-energy spark discharge ignition device includes a low-voltage vehicle powe...

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Abstract

The invention discloses a high-frequency high-energy spark discharge ignition device, and belongs to the technical field of spark ignition engines. The high-frequency high-energy spark discharge ignition device comprises a low-voltage vehicle-mounted power supply, a control module, a high-frequency discharge module, a high-energy supplement module and a spark plug, wherein the low-voltage vehicle-mounted power supply provides the power supply of the whole system; the control module comprises logic allocation of control signals of a high-frequency discharge control module and the high-energy supplement module, and the discharge frequency and the discharge duration are controlled accurately; the high-frequency discharge module comprises a first capacitor, a second capacitor and a high-voltage coil, and is used for providing a high-frequency breakdown voltage; the first input end of the high-voltage coil is connected to the discharge ignition output end of the first capacitor; the first output end of the high-voltage coil is connected to a ground wire; the second input end of the high-voltage coil is connected to the output end of the high-voltage coil; and the second output end of the high-voltage coil is connected to the spark plug and the high-energy supplement module. The high-frequency high-energy spark discharge ignition device is applied to ignition of the ignition engine,the energy of the ignition device is improved, and the discharge frequency and the discharge duration are controlled accurately.

Description

technical field [0001] The invention relates to the technical field of ignition engines, in particular to a high-frequency high-energy spark discharge ignition device. Background technique [0002] In order to further improve the emission performance and economic performance of ignition (gasoline) engines, lean combustion and exhaust gas recirculation combustion are the key technical directions of future engine combustion systems. With the expansion of the combustion limit, the engine appears partial combustion or even flameout, resulting in a serious decline in the combustion stability of the engine. Secondly, lean combustion and exhaust gas recirculation combustion often accelerate the flame propagation by enhancing the velocity of the airflow inside the combustion chamber, so it has a serious impact on the effect of the ignition system. [0003] There are many kinds of ignition methods, currently popular ignition methods include Transistor Controlled ignition (TCI), Capa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02P3/08
CPCF02P3/0876
Inventor 李雪松许敏叶昌徐宏昌胥浩天
Owner SHANGHAI JIAO TONG UNIV
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