CN203189187U - Ignition device of gas engine - Google Patents
Ignition device of gas engine Download PDFInfo
- Publication number
- CN203189187U CN203189187U CN 201320234940 CN201320234940U CN203189187U CN 203189187 U CN203189187 U CN 203189187U CN 201320234940 CN201320234940 CN 201320234940 CN 201320234940 U CN201320234940 U CN 201320234940U CN 203189187 U CN203189187 U CN 203189187U
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- ignition
- coils
- gas engine
- voltage
- coil
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Abstract
The utility model discloses an ignition device of a gas engine. The ignition device comprises a light source, an ignition controller and ignition coils. The ignition device has the following technical main points: two groups of ignition coils are arranged, wherein control ends of primary coils of each group of ignition coils are all connected with the ignition controller; the other ends of the primary coils of each group of ignition coils are all connected with the light source through coil power supply ends; and the secondary coils of each group of ignition coils are respectively connected with ignition high-voltage power line interfaces through two high-voltage diodes. With the adoption of the ignition device of the gas engine, the two groups of ignition coils discharge simultaneously under control of the ignition controller, so that max ignition voltage and double ignition energy can be realized; the discharging time interval can be adjusted through the ignition controller; control on an ignition extended period can be realized through discharging within a shorter time interval; two-time ignition can be realized through discharging within a larger time interval; and the two high-voltage diodes are used for eliminating interference between two groups of ignition coils in discharge processes, and can be used for adjusting discharging properties according to the working conditions of the natural gas engine, so that the natural gas engine can be guaranteed to be ignited reliably under different working conditions.
Description
Technical field:
The utility model relates to the gas engine technical field, is specifically related to a kind of ignition mechanism of gas engine.
Background technique:
Along with industrial expansion, the oil shortage problem is serious day by day, the technology that taps a new source of energy is imperative, the gaseous fuel aboundresources, existing natural resources wherein are as rock gas, the resource that the productive life association is also arranged, as petroleum gas, biogas, coal-seam gas etc., gaseous fuel has advantages such as exhaust emission is low, low price simultaneously, therefore develops the important directions that gas engine becomes the engine technology development.
The gas flowfield at the physical property of mixed gas and spark plug place can influence the formation and development of initial fire nuclear in the rock gas motivation firing chamber, and stability and discharging that initial fire is checked engine operation have a significant impact.The formation of natural gas engine fire nuclear under different operating modes and the mechanism of extinguishing are different, therefore ignition system are had higher requirement.In the engine cold-start stage, chamber temperature is lower, high-energy ignition and repeatedly igniting be conducive to the formation of initial fire nuclear, reduce the probability that catches fire, thereby reduce the speed discharging.Motor is under the lean-burn operating mode, the fuel molecule quantity that ignition is carried out in participation chemical reaction, preparation reduces relatively, velocity of combustion slows down, and prolongs the spark duration and increase ignition energy to be conducive to increase flame fire nuclear volume, strengthens the stability of lean-burn operating mode operation.During the operation of motor equivalent proportion, cylinder is pressed higher, has reduced the kinetic energy of particle high speed motion between electrode, and higher secondary discharge voltage is conducive to overcome the resistance in gap, forms igniting fire nuclear.Consider that from preparation process and Economy the natural gas engine ignition energy is controlled in suitable scope, the ignition energy that needs when moving under the motor equivalent proportion mixed gas is less.
The model utility content:
The utility model is at the defective of capacitance energy storage ignition system and inductive energy storage ignition system, designed a kind of ignition mechanism of gas engine, this ignition mechanism can be adjusted flash-over characteristic according to engine operating condition, guarantees the reliable ignition of motor under different operating modes.
The ignition mechanism of gas engine of the present utility model, comprise power supply, ignition controler and spark coil, the technological scheme of Cai Yonging is for achieving the above object: described spark coil is two groups, the control end of the primary air of every group of spark coil all links to each other with ignition controler, the other end of the primary air of every group of spark coil all connects power supply by the coil power supply end, and the secondary winding of every group of spark coil links to each other with the ignition lead interface by two high-voltage diodes respectively.
Preferably, the power supply of described coil power supply end connection is the constant-voltage DC source of 12V or 24V.
The beneficial effects of the utility model are: the ignition mechanism of this gas engine, under the control of ignition controler, two groups of coils discharge simultaneously, can realize peak ignition voltage and double ignition energy.Ignition controler can be regulated the time lag of discharge, and less time lag discharge can realize the control to the igniting duration; Time lag discharge can realize two igniting greatly, and two high-voltage diodes are for the interference of eliminating between two groups of coils of discharge process.The utility model can be adjusted flash-over characteristic according to the operating mode of natural gas engine, guarantees that natural gas engine all can reliable ignition under different operating modes.
Description of drawings:
Fig. 1 is structural representation of the present utility model.
Embodiment:
Do description in more detail below in conjunction with the utility model of Fig. 1:
In conjunction with Fig. 1, the ignition mechanism of this gas engine, comprise power supply 9, ignition controler 10 and spark coil, described spark coil is two groups, be respectively first coil 8 and second coil 4, first control end 1 of the primary air of first coil 8 links to each other with ignition controler 10, second control end 3 of the primary air of second coil 4 links to each other with ignition controler 10, the other end of the primary air of every group of spark coil all connects power supply 9 by coil power supply end 2, the secondary winding of first coil 8 links to each other with ignition lead interface 6 by first high-voltage diode 7, the secondary winding of second coil 4 links to each other with ignition lead interface 6 by second high-voltage diode 5, and ignition lead interface 6 is connected with spark plug 11 by ignition lead.
Control end 1 and control end 3 can be controlled separately by ignition controler 10, when first control end 1 and 3 connections of second control end, first coil 8 and the 4 primary air conductings of second coil, ignition energy is stored in the primary air of every group of coil, when first control end 1 and second control end 3 disconnection suddenly, because electromagnetic induction principle, the energy in the primary air of every group of coil is delivered in its secondary winding, and is discharged by spark plug 11 at last by ignition lead.In this process, first high-voltage diode 7 and second high-voltage diode 5 are used for eliminating the interference between two groups of spark coils of discharge process.Under the control of ignition controler 10, by controlling duration of charge, sequential and the discharging time of first spark coil 8 and second spark coil 4, realizing respectively the highest discharge voltage of igniting dress, igniting duration when long, multiple discharge mode such as igniting or single igniting repeatedly, guarantee natural gas engine equal energy reliable ignition under different operating modes.The utility model is under the control of ignition controler 10, and first spark coil 8 and second spark coil 4 discharge simultaneously, can realize peak ignition voltage and double ignition energy.Ignition controler 10 can be regulated the time lag of discharge, and less time lag discharge can realize the control to the igniting duration; Time lag discharge can realize that two igniting the utility model can guarantee that natural gas engine all can reliable ignition under different operating modes according to the operating mode adjustment flash-over characteristic of natural gas engine greatly.Coil power supply end 2 of the present utility model connects constant-voltage DC source, generally is direct current 12V or 24V, is generally powered by storage battery in the application; Ignition controler 10 can be controlled first spark coil 8 and second spark coil 4 chronologically respectively, thereby realizes the control to firing characteristic; Spark plug 11 is without hindrance spark plugs; First spark coil 4 is the identical single-point fire coils of characteristic with second spark coil 8, and namely the primary air of two groups of coils, secondary winding, magnetic permeable material etc. are all identical; First high-voltage diode 7 is the identical high-voltage diodes of characteristic with second high-voltage diode 5, and its pressure resistance is not less than 30KV.
Claims (2)
1. the ignition mechanism of a gas engine, comprise power supply, ignition controler and spark coil, it is characterized in that: described spark coil is two groups, the control end of the primary air of every group of spark coil all links to each other with ignition controler, the other end of the primary air of every group of spark coil all connects power supply by the coil power supply end, and the secondary winding of every group of spark coil links to each other with the ignition lead interface by two high-voltage diodes respectively.
2. the ignition mechanism of a kind of gas engine as claimed in claim 1 is characterized in that: the power supply that the coil power supply end connects is the constant-voltage DC source of 12V or 24V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320234940 CN203189187U (en) | 2013-05-03 | 2013-05-03 | Ignition device of gas engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320234940 CN203189187U (en) | 2013-05-03 | 2013-05-03 | Ignition device of gas engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203189187U true CN203189187U (en) | 2013-09-11 |
Family
ID=49106051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320234940 Expired - Fee Related CN203189187U (en) | 2013-05-03 | 2013-05-03 | Ignition device of gas engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203189187U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103225583A (en) * | 2013-05-03 | 2013-07-31 | 中国船舶重工集团公司第七�三研究所 | Ignition device for gas engine |
| CN103821656A (en) * | 2013-12-23 | 2014-05-28 | 哈尔滨工程大学 | Multi-mode discharging ignition system for gas engine |
| CN108350849A (en) * | 2015-11-09 | 2018-07-31 | 德尔福汽车系统卢森堡有限公司 | Method and apparatus for controlling ignition system |
| CN108869141A (en) * | 2018-06-29 | 2018-11-23 | 上海交通大学 | continuous discharge ignition coil |
-
2013
- 2013-05-03 CN CN 201320234940 patent/CN203189187U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103225583A (en) * | 2013-05-03 | 2013-07-31 | 中国船舶重工集团公司第七�三研究所 | Ignition device for gas engine |
| CN103821656A (en) * | 2013-12-23 | 2014-05-28 | 哈尔滨工程大学 | Multi-mode discharging ignition system for gas engine |
| CN103821656B (en) * | 2013-12-23 | 2016-08-17 | 哈尔滨工程大学 | A kind of gas engine multi-mode discharge ignition system |
| CN108350849A (en) * | 2015-11-09 | 2018-07-31 | 德尔福汽车系统卢森堡有限公司 | Method and apparatus for controlling ignition system |
| CN108350849B (en) * | 2015-11-09 | 2019-12-20 | 德尔福汽车系统卢森堡有限公司 | Multi-charging ignition system and control method thereof |
| CN108869141A (en) * | 2018-06-29 | 2018-11-23 | 上海交通大学 | continuous discharge ignition coil |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130911 Termination date: 20140503 |