CN2292168Y - Computer controlled ignitor for car - Google Patents
Computer controlled ignitor for car Download PDFInfo
- Publication number
- CN2292168Y CN2292168Y CN 96220017 CN96220017U CN2292168Y CN 2292168 Y CN2292168 Y CN 2292168Y CN 96220017 CN96220017 CN 96220017 CN 96220017 U CN96220017 U CN 96220017U CN 2292168 Y CN2292168 Y CN 2292168Y
- Authority
- CN
- China
- Prior art keywords
- distributor
- chip microcomputer
- impeller
- model
- utility
- 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
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- Ignition Installations For Internal Combustion Engines (AREA)
Abstract
The utility model relates to a computer controlled ignitor for a car, comprising an ignition coil, a distributor and a spark plug. The interruption electric apparatus of the distributor is composed of a triggering impeller which is fixedly connected with a rotary shaft and a position signal sensor. The interruption electric apparatus is connected with a single chip computer which is connected with the ignition coil by a power magnifying switching circuit. Two original centrifugal weight blocks and a spring are canceled, and the relative movement of the shaft of the distributor and the triggering impeller is canceled. So the utility model has the advantages of simple structure, long service life, etc.
Description
The utility model relates to a kind of ignition mechanism of motor car engine, especially a kind of electronic ignition device of controlling with microcomputer.
The traditional type battery ignition device that Hyundai Motor is used mainly is made up of spark coil, distributor and spark plug etc., this ignition mechanism uses storage battery and generator as power supply source, nominal voltage is 12V, it pays the circuit breaker of forming with cam by electric contact, switch on and off primary circuit, make the spark coil momentary interruption produce instantaneous high pressure, and make the spark plug arcing successively of each cylinder of motor by the distributor of forming by distributor cap and split fire head, make continuous firing, above-mentioned circuit breaker and distributor have constituted the structure of distributor.Because above-mentioned traditional ignition mechanism is a quite complicated mechanical action and a combination of circuits, has adopted the contact type power cutoff mechanism, mechanism's more complicated not only, but also because frequent scaling loss of (1) contact surface of contact and dirty erosion; (2) when high engine speeds was rotated, breaker arm was beated, and produced flutter phenomenon; (3) wearing and tearing can appear in jacking block.Therefore can produce engine misses, firing time during proper functioning and change, descend thereby engine power occurs, fuel consumption increases, the HC value increase in the exhausting air, all multiple faultss such as reduction in working life.
The purpose of this utility model is in order to overcome the deficiency of above-mentioned existence, carries out the control of ignition timing and provide a kind of with microcomputer, carries out the micro-processor controlled automobile igniter of non-contact electronic ignition.
The purpose of this utility model is finished by following technical solution, its structure mainly comprises spark coil, distributor and spark plug, circuit breaker in the distributor is made up of the position signal sensor that links to each other with a single-chip microcomputer that is connected in the triggering impeller in the rotating shaft in the distributor body and settle at this impeller edge, and this single-chip microcomputer links to each other with spark coil by the power amplification switching circuit.
The number of sheets of triggering impeller described in the utility model equates that with the cylinder number of motor selected single-chip microcomputer is 1051 integrated chips, the power amplification switching circuit that its output terminal is ined succession and is made up of transistor.
The utility model fast position signal sensor be chosen as electro-optical pickoff, it is connected in the INTO end of single-chip microcomputer 1051 integrated chips, and output terminal is P
1,7The end pin.
Description of drawings is as follows:
Fig. 1 is a structure principle chart of the present utility model.
Fig. 2 is a distributor structural representation of the present utility model.
Below will the utility model is further introduced by accompanying drawing: the utility model mainly be made up of spark coil 8, distributor 4 and spark plug 9 etc.Distributor 4 comprises circuit breaker 10 and distributor 11.Described circuit breaker 10 is formed with the position signal sensor of settling at this impeller edge 5 that links to each other with a single-chip microcomputer 6 by being connected in the triggering impeller 13 in the rotating shaft 12 in the distributor body, this number of sheets that triggers impeller 13 equates with the cylinder number of motor car engine, when rotating shaft 12 rotates a circle, sensor 5 just can send the cylinder position signal that equates of number and being transferred in the single-chip microcomputer 6 for several times.The output terminal of single-chip microcomputer 6 is connected to power amplification switching circuit 7, and it is formed by the amplifying triode cascade, and its output terminal is connected on the spark coil 8, and two extremely being connected on distributor 11 and the power supply 1 of spark coil 8.Distributor 11 is made up of distributor cap 14 and split fire head 15, and each end points of its split fire head 15 is directly connected on the interior spark plug 9 of each cylinder body of motor.
The utility model by storage battery 1 or generator as power supply, nominal voltage 12V, ignition switch 3 is connected in the circuit, and be serially connected with safety fuse cutout 2, when ignition switch 3 is on positi, there is electric current to pass through on the spark coil 8 via power amplification switching circuit 7, rotate with rotating shaft 12 when triggering impeller 13, its impeller makes position signal sensor 5 produce signal input single-chip microcomputer 6, export an electric current after power amplification switching circuit 7 amplifies by single-chip microcomputer 6, the primary circuit of cut-off point fire coil, make the instantaneous generation high-voltage pulse of spark coil, after distributing successively on split fire head 15 each end points, continuously make the spark plug gasoline of lighting on fire of cylinder body make engine operation through distributor 11.
The utility model adopts electro-optical pickoff as the crankshaft-position signal sensor, and its effect is to replace traditional circuit breaker, utilizes the processing capacity of single-chip microcomputer and the on-off action of power amplification switching circuit 7, and control ignition coil 8 is the break-make of line circuit just.Described crankshaft-position signal sensor also can be selected magnetic induction sensor or hall effect type sensor for use.Described single-chip microcomputer is selected 1051 microcomputer chips for use, and its signal input part is the INTO end, and output terminal is P
1,7The end pin.
The utility model has been owing to adopted the computer control ignition timing, cancelled original two centrifugal pouring weights and Spring has been cancelled the relative motion between distributor shaft and the triggering wheel, has simplified original relatively complicated adding Worker and assembling technology. Owing to adopt computer control, the control that makes optimum igniting shift to an earlier date the angle more accurately can simultaneously Lean on, just the ON time of line current when low speed and high speed is strictly equal to guarantee ignition coil, makes engine low Speed has identical spark energy during with high speed. The utlity model has simple in structure, easy to install and use, work Good reliability, the characteristics such as long service life.
Claims (3)
1, a kind of micro-processor controlled automobile igniter that includes spark coil, distributor and spark plug, it is characterized in that the circuit breaker (10) in the distributor (4) is made up of with the position signal sensor of settling at this impeller edge (5) that links to each other with a single-chip microcomputer (6) the triggering impeller (13) that is connected in the rotating shaft in the distributor body (12), this single-chip microcomputer (6) links to each other with spark coil (8) by power amplification switching circuit (7).
2, micro-processor controlled automobile igniter as claimed in claim 1, the number of sheets that it is characterized in that described triggering impeller (13) equates with the cylinder number of motor, single-chip microcomputer (6) adopts 1051 integrated chips, and its output terminal is connecting the power amplification switching circuit (7) that is formed by the transistor cascade.
3, micro-processor controlled automobile igniter as claimed in claim 2, it is characterized in that described position signal sensor (5) selects electro-optical pickoff for use, it is connected in the INTO end of single-chip microcomputer (6) 1051 integrated chips, and output terminal is P
1,7The end pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96220017 CN2292168Y (en) | 1996-07-30 | 1996-07-30 | Computer controlled ignitor for car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96220017 CN2292168Y (en) | 1996-07-30 | 1996-07-30 | Computer controlled ignitor for car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2292168Y true CN2292168Y (en) | 1998-09-23 |
Family
ID=33900455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96220017 Expired - Fee Related CN2292168Y (en) | 1996-07-30 | 1996-07-30 | Computer controlled ignitor for car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2292168Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102418642A (en) * | 2011-10-26 | 2012-04-18 | 成都市翻鑫家科技有限公司 | Contactless electronic ignition system |
| CN111878280A (en) * | 2020-08-20 | 2020-11-03 | 安徽华林磁电科技有限公司 | Ignition coil high-voltage distributor |
-
1996
- 1996-07-30 CN CN 96220017 patent/CN2292168Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102418642A (en) * | 2011-10-26 | 2012-04-18 | 成都市翻鑫家科技有限公司 | Contactless electronic ignition system |
| CN111878280A (en) * | 2020-08-20 | 2020-11-03 | 安徽华林磁电科技有限公司 | Ignition coil high-voltage distributor |
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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 |