Igniter with double-inlet eccentric double-anode structure

A dual anode, dual intake technology, applied in engine ignition, electrical components, machines/engines, etc., can solve the problems of low ignition energy, low ignition energy utilization, poor ignition reliability, etc. Ionization and ignition effect, the effect of prolonging the service life
CN109404197AInactive Publication Date: 2019-03-01DALIAN NATIONALITIES UNIVERSITY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
DALIAN NATIONALITIES UNIVERSITY
Publication Date
2019-03-01
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses an igniter with a double-inlet eccentric double-anode structure. The igniter with the double-inlet eccentric double-anode structure comprises a short anode, a long anode, an anode insulating positioning sleeve, a grounding electrode, an air inlet a, an air inlet b and air inlet inclined holes. An ionization space a is formed between the anode insulating positioning sleeve and the grounding electrode, and an ionization space b is formed between the lower end part of the long anode and the grounding electrode; the inclined downward air inlet a is formed in one end of theupper part of the grounding electrode, the inclined downward air inlet b is formed in the lower part of the grounding electrode, the air inlet a is placed at the top of the ionization space a, and theair inlet b is placed at the top of the ionization space b; and the multiple air inlet inclined holes which are arranged in the week direction and incline downwards are formed in the lower end of thelong anode. According to the igniter with the double-inlet eccentric double-anode structure, air (or fuel) injected from the air inlet b and air injected from the lower anode cool the anodes and canprolong the service life of an electrode.
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Description

technical field

[0001] The invention relates to a plasma igniter, in particular to an igniter with a double intake eccentric double anode structure. Background technique

[0002] As a clean energy, natural gas has been widely used as engine fuel. In the field of vehicle power, the number of passenger cars and heavy-duty vehicles fueled by CNG is increasing; in the field of ship power, CNG and LNG-powered ships have become the key research direction in the "Made in China 2025" plan. Compared with gasoline, natural gas as a gas fuel requires greater ignition energy, which makes it difficult to use a single spark plug to ignite natural gas even for small-bore vehicle natural gas engines in actual use, so gasoline has to be used to ignite the engine. normal work. This has led to a series of problems such as system complexity, cost increase, and reliability decrease. Therefore, it is necessary to adopt a new ignition technology and adopt a relatively simple structure to achiev...

Claims

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