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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

Inactive Publication Date: 2019-03-01
DALIAN NATIONALITIES UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the problems of low ignition energy, poor ignition reliability, and low utilization rate of ignition energy when the existing heat balance plasma igniter technical scheme is applied to large-space combustion chamber engines and natural gas engines, this application provides a dual-stage Igniter with gas eccentric double anode structure

Method used

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  • Igniter with double-inlet eccentric double-anode structure
  • Igniter with double-inlet eccentric double-anode structure
  • Igniter with double-inlet eccentric double-anode structure

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Embodiment Construction

[0019] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments: taking this as an example to further describe and illustrate the present application.

[0020] Such as Figure 2-5 As shown, this embodiment provides an igniter with a dual-inlet eccentric double-anode structure, which consists of a short anode, a long anode, an anode insulating positioning sleeve, a ground electrode, two anode fixing nuts and an insulating sleeve pressing plate. The anode insulating positioning sleeve is installed in the ground electrode for fixing the short anode and the long anode; the short anode is completely wrapped by the anode insulating positioning sleeve; the long anode has a hollow structure, and a part of it is wrapped by the anode insulating positioning sleeve; At the lower end of the long anode, there are several oblique air intake holes arranged circumferentially and inclined downward, which are used to i...

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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.

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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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02P23/04H05H1/24H05H1/48
CPCF02P23/04H05H1/2406H05H1/48
Inventor 宋鹏
Owner DALIAN NATIONALITIES UNIVERSITY
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