CN2249980Y - Ignitor without distributor - Google Patents
Ignitor without distributor Download PDFInfo
- Publication number
- CN2249980Y CN2249980Y CN 95233493 CN95233493U CN2249980Y CN 2249980 Y CN2249980 Y CN 2249980Y CN 95233493 CN95233493 CN 95233493 CN 95233493 U CN95233493 U CN 95233493U CN 2249980 Y CN2249980 Y CN 2249980Y
- Authority
- CN
- China
- Prior art keywords
- ignition
- angle control
- way
- power amplifier
- close
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Ignition Installations For Internal Combustion Engines (AREA)
Abstract
The utility model relates to an ignition device without a distributor block, which is used for a gasoline engine. The device comprises an ignition signal transducer, an ignition electronic controller and a simultaneous ignition coil. Without the distributor block, the utility model can eliminate the defect of the ignition device with the distributor block, and prevent the phenomena of high-voltage energy loss, electrical leakage and breakdown. The utility model has the advantages of reliable ignition and complete fuel combustion, fuel saving, less environmental pollution and low cost, and can be used as a replacing product of the ignition device for the gasoline engine.
Description
The utility model relates to a kind of petrol engine distributorless ignition device.
Be widely used at present on the petrol engine is the distributor ignition device, this device is owing to exist a plurality of mechanical contacts such as split fire head, platinum contact, easily cause high voltage flash, make split fire head etc. locate easy breakdown damage, arcing simultaneously also produces radio interference, ignition effectiveness is poor, and fuel combustion is insufficient, and discharging waste gas causes environmental pollution; In addition by the existence of ignition distributor to high pressure line the ignition coil, make that the high-tension ignition energy is lossy, also easily produce electric leakage, also can cause the high-voltage breakdown accident when serious, drawback at the existence of distributor ignition device, bring into use computer control distributorless ignition device abroad, promptly use this igniter on the Cherokee car as the production of sino-america joint-venture Beijing jeep factory, but it is also remaining ignition distributor is arranged, so also just can not eliminate the drawback of distributor ignition device fully, in addition owing to adopt computer control to make the cost cost improve.
The purpose of this utility model is a kind of low and reliable and stable igniter of lighting a fire of no ignition distributor, cost that can overcome distributor ignition device drawback fully of design.
The purpose of this utility model is achieved by the following technical solution.
The utility model is by 2 ignition signal transducers; igniting electronic controller and 2 while ignition coils; the igniting electronic controller is by pressurizer; close angle control circuit two-way drive circuit and power amplifier switch pipe; two-way overvoltage protection and current-limiting circuit are formed; wherein closing angle control circuit mainly closes the angle integrated package by a pair of and constitutes; two-way ignition signal transducer is fixed on the engine; be connected respectively to two inputs that close angle control integrated package; two angle control integrated packages that close connect into the two control circuits that close of two-way by two groups of Resistor-Capacitor Units; two angle control chip outputs that close are connected with the power amplifier switch pipe with the two-way drive circuit respectively; connect two while ignition coils behind the two power amplifier switch pipes; two secondary high-voltage diodes that are serially connected with respectively of ignition coils simultaneously, two-way drive circuit and power amplifier switch pipe are connected two-way overvoltage protection and current-limiting circuit separately so that it is protected.When energized, engine rotation, its rotor and the two ignition signal transducers generation two paths of signals that matches, this two paths of signals is sent into the angle control circuit that closes in the igniting electronic controller successively, after closing angle control, deliver to respectively in the two-way drive circuit, again signal is delivered to two power amplifier switch pipes by drive circuit, power amplifier switch pipe no signal is in conducting state when arriving, when delivering to, ignition signal changes to cut-off state by conducting, because power amplifier switch pipe back is connected with ignition coil simultaneously respectively, it go up to produce about 30,000 volts high pressure by promptly ignition coil is secondary at the same time moment, be connected with two spark plugs of connecting mutually and ignition coil is secondary simultaneously, when high pressure produces, two spark plugs cylinder of living in is in compression travel dead point and place, instroke dead point respectively, thereby the spark plug that makes compression cylinder produces strong spark, reaches the igniting purpose.When the power amplifier switch pipe recovered conducting state, the about 10,000 volts reverse voltage of the secondary generation of ignition coil caused the sparking of spark plug mistake at the same time, and the secondary high-voltage diode that seals in of ignition coil is added on the spark plug to prevent this reverse voltage at the same time for this reason.2 secondary connections of ignition coil simultaneously amount to four spark plugs for two groups, by four spark plugs igniting by turns successively of four cylinder bodies of signal controlling that alternately produce.For the voltage fluctuation of the electronic controller that prevents to light a fire, power by pressurizer.
The utility model is owing to remove mechanical breakpoint and split fire head etc., so the interference arcing phenomenon disappearance that causes because of mechanical contact is stopped because of high-voltage breakdown fault and high pressure loss due to the split fire head; Adopt no voltage divider can save by voltage divider to the high-voltage line ignition coil, so avoid high pressure electric leakage and ignition energy loss and high-voltage line breakdown accident, igniting is reliable, the purpose of full combustion of fuel to reach for the scope of this utility model ignition angle easy to control, thereby can reduce environmental pollution, fuel savings, this device adopts general electronic devices and components to make cost with low cost.
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is the utility model circuit diagram.6 is two angle control integrated packages that close among the figure, being actually a bistable state multi resonant shakes and is full of device, it is connected to form two-way with resistance 4 and resistance 8 and electric capacity 5 and electric capacity 7 and closes angle control circuit, and the model that this pair closes angle control integrated package is SN54221, also can select 89S01, L497, L498 etc. for use.When mains switch K closes, give the power supply of igniting electronic controller through the pressurizer that integrated package of pressure-stabilizing 9 is formed, this moment, engine began to rotate, its rotor A provides two paths of signals for ignition signal transducer 1 and 2, this two paths of signals is admitted to and closes in the angle control integrated package 6, close angle control integrated package 6, resistance 4 and 8 and electric capacity 5 and 7 form close angle control circuit two paths of signals closed angle control respectively after, one the tunnel sends into by triode 11, resistance 10 and 14 drive circuits of forming, another road is sent into by triode 20, resistance 19 and 23 another road drive circuits of forming, the two-way drive signal delivers to power amplifier switch pipe 13 respectively successively and 22 places make it successively become off-state by conducting state, connect load behind the power amplifier switch pipe 13 and 22 and be while ignition coil 28 and 30, the moment that signal arrives promptly produces high pressure respectively on ignition coil 28 and 30 levels at the same time, this high pressure is added in respectively on the two series connection spark plugs that are connected with it, make the spark plug that is on the compression-stroke cylinder produce spark and reach the igniting purpose, because two ignition signals produce precedence is arranged, and the residing cylinder state of each group series connection spark plug difference can reach and makes the igniting of taking turns of four spark plugs on the cylinder body by closing angle control.For preventing that power amplifier switch pipe 13 and 22 from making mistake sparking on the spark plug by the reverse voltage of responding on ignition coil 28 and 30 levels at the same time when becoming conducting, respectively be serially connected with high-voltage diode 29 and 31 on ignition coil 28 and 30 levels at the same time; The overvoltage crowbar of being made up of voltage stabilizing didoe 12 and 21 can carry out overvoltage protection to the power amplifier switch pipe; The current-limiting circuit of being made up of amplifier integrated block 15, transistor 16 and resistance 17 can provide overcurrent protection to last No. one drive circuit and power amplifier switch pipe 13, the current-limiting circuit of being made up of amplifier integrated block 24, transistor 25 and resistance 26 can provide overcurrent protection to next road drive circuit and power amplifier switch pipe 22, and resistance 3 is biasing resistors of ignition detector 1 and 2 among the figure; Resistance 18 and 27 is respectively the sample resistance of two current-limiting circuits.Ignition detector 1 and 2 can be a photoelectric type, also can be magnetoelectricity type or Hall type.
Claims (2)
1. distributorless ignition device; comprise 2 ignition signal transducers; igniting electronic controller and 2 while ignition coils; it is characterized in that; this mounted point thermoelectricity sub-controller is by pressurizer; close angle control circuit; two-way drive circuit and power amplifier switch pipe; two-way overvoltage protection and current-limiting circuit are formed; wherein closing angle control circuit mainly closes the angle integrated package by a pair of and constitutes; two-way ignition signal transducer is fixed on the engine; be connected respectively to two inputs that close angle control integrated package; two angle control integrated packages that close connect into the two angle control circuits that close of two-way by two groups of Resistor-Capacitor Units; two angle control chip outputs that close are connected with the power amplifier switch pipe with the two-way drive circuit respectively; connect two while ignition coils behind the two power amplifier switch pipes; the secondary high-voltage diode that is serially connected with respectively of two while ignition coils, the two-way drive circuit is connected two-way overvoltage protection and current-limiting circuit separately with the power amplifier switch pipe.
2. distributorless ignition device as claimed in claim 1 is characterized in that, described ignition signal transducer can be a photoelectric type, also can be magnetoelectricity type or Hall type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95233493 CN2249980Y (en) | 1995-03-31 | 1995-03-31 | Ignitor without distributor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95233493 CN2249980Y (en) | 1995-03-31 | 1995-03-31 | Ignitor without distributor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2249980Y true CN2249980Y (en) | 1997-03-19 |
Family
ID=33877623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95233493 Expired - Fee Related CN2249980Y (en) | 1995-03-31 | 1995-03-31 | Ignitor without distributor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2249980Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105993101A (en) * | 2014-02-18 | 2016-10-05 | 菲尼克斯电气公司 | Ignition element for use in an overvoltage protection element |
-
1995
- 1995-03-31 CN CN 95233493 patent/CN2249980Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105993101A (en) * | 2014-02-18 | 2016-10-05 | 菲尼克斯电气公司 | Ignition element for use in an overvoltage protection element |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |