CN102042107A - Control method for engine - Google Patents
Control method for engine Download PDFInfo
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- CN102042107A CN102042107A CN2009101790459A CN200910179045A CN102042107A CN 102042107 A CN102042107 A CN 102042107A CN 2009101790459 A CN2009101790459 A CN 2009101790459A CN 200910179045 A CN200910179045 A CN 200910179045A CN 102042107 A CN102042107 A CN 102042107A
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- engine
- fuel injection
- igniting
- sequence number
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- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
Abstract
The invention discloses a control method for an engine, which comprises a detection step, an oil injection or ignition judgment step and an oil injection or ignition amendment step. A coding tooth serial number can be calculated in the detection step. In the oil injection or ignition judgment step, whether an oil injection coding tooth serial number or an ignition coding tooth serial number in an electronic control unit is positioned at the set position of the coding tooth serial number is judged by the electronic control unit; if so, fuel injection operation or magnetizing ignition operation is performed; if the fuel injection operation or the magnetizing ignition operation is not performed, the oil injection or ignition amendment step is performed, and a fuel injection signal or a magnetizing ignition signal is emitted at the next tooth of the set position of the coding tooth serial number; therefore, the time of the fuel injection operation or the magnetizing ignition operation is prevented from missing, the stability of the engine is improved, member damage can be effectively avoided, and the service life of the engine is prolonged.
Description
Technical field
The present invention relates to a kind of controlling method, and be particularly related to a kind of controlling method of engine.
Background technique
Consult Fig. 1, the motion flow of the injection type engines 11 of general locomotive, be by an electronic control unit (Electronic Control Units, ECU) 12 controls, one injection apparatus 13 sprays into an amount of vaporific fuel oil in this injection type engines 11, and by this electronic control unit 12 controls one igniting device 14 mist of oil is lighted, make a piston 15 to-and-fro motion produce power.
This piston 15 is driving a flywheel 16 with a plurality of coding teeth 161, and along with this injection type engines 11 circulates between the action of air inlet, compression, acting, exhaust, this flywheel 16 is also continued to drive and constantly rotation by this piston 15.
Consult Fig. 1,2, in order to stablize outputting power, prior art utilizes a sensor 17 to detect the coding tooth 161 of these flywheel 16 peripheries more, obtain a ripple signal 171 of corresponding as shown in Figure 2 described coding tooth 161, this electronic control unit 12 is then according to this ripple signal 171, and the start of control this injection apparatus 13 and ignition mechanism 14 on the desired location of this ripple signal 171, control the time that fuel oil sprays into this injection type engines 11 and some fuel spray thus exactly.
But, as everyone knows, this electronic control unit 12 is except the start of controlling this injection apparatus 13 and ignition mechanism 14, the detection that still must handle multiple signal simultaneously with judge (for example: speed of a motor vehicle detection to carry out relevant control, porthole aperture control etc.), and the signal of working as these electronic control unit 12 required processing is too much, or when being subjected to external interference suddenly, probably miss the start time point of this injection apparatus 13 and ignition mechanism 14, make this injection apparatus 13 miss fuel injection beginning/end position, or this ignition mechanism 14 is missed and is magnetized/discharge position, cause the running instability of this injection type engines 11, even cause the damage of member, and then reduced the working life of this injection type engines 11.
Summary of the invention
Therefore, one object of the present invention is to provide a kind of and can improves stability and can effectively avoid member to damage, and then increases the controlling method of the engine in working life.
So the controlling method of engine of the present invention comprises one and detects step, an oil spout or igniting determining step, and an oil spout or igniting revisal step.
This detection step utilizes a location aware device to detect the pivotal position of engine flywheel, and calculates a coding tooth sequence number of the pivotal position of corresponding this engine flywheel with an electronic control unit.
Whether this oil spout or igniting determining step are positioned on the desired location of this coding tooth sequence number with the oil spout coding tooth sequence number or an igniting coding tooth sequence number of this electronic control unit comparison The built-in, fire signal carries out fuel injection event or the igniting action of magnetizing if the fuel injection signal or of then sending this electronic control unit magnetizes, and does not then enter next step if carry out fuel injection event or magnetize to light a fire to move.
This oil spout or igniting revisal step are if crossed built-in oil spout of this electronic control unit or igniting coding tooth sequence number, then by this electronic control unit according to above-mentioned determining step next tooth in coding tooth sequence number, send a fuel injection signal or the fire signal that magnetizes, carry out oil spout or igniting to make nozzle or spark plug.
Whether effect of the present invention is to utilize the oil spout coding tooth sequence number of this electronic control unit comparison The built-in or an igniting coding tooth sequence number to be positioned on the desired location of this coding tooth sequence number, if this electronic control unit then carries out fuel injection event or magnetizes the igniting action, if do not carry out fuel injection event or magnetize the igniting action, promptly enter this oil spout or igniting revisal step, this electronic control unit goes out a fuel injection signal or a fire signal that magnetizes in next tooth and hair of the desired location of coding tooth sequence number, the control fuel injection event or the igniting action of magnetizing, avoid missing fuel injection event and the time of magnetizing and lighting a fire and moving, improve the engine stability and can effectively avoid member to damage, increase engine working life.
Description of drawings
Fig. 1 is a start flow chart, and the injection type engines start flow process of general locomotive is described;
Fig. 2 is a sequential chart, and the time dependent ripple signal of injection type engines of general locomotive is described;
Fig. 3 is a flow chart, and the preferred embodiment of the controlling method of engine of the present invention is described;
Fig. 4 is a schematic representation, the structural design of being correlated with among aid illustration Fig. 3;
Fig. 5 is a sequential chart, and illustrating in the preferred embodiment can be in time and the state of relative coding tooth the sequence number fuel injection signal that changes and the fire signal that magnetizes;
Fig. 6 is a sequential chart, and the state after the preferred embodiment is missed the starting point of fuel injection event is described;
Fig. 7 is a sequential chart, and the state after the preferred embodiment is missed the end point of fuel injection event is described;
Fig. 8 is a sequential chart, and the state after the preferred embodiment is missed the starting point of the igniting action of magnetizing is described; And
Fig. 9 is a sequential chart, and the state after the preferred embodiment is missed the end point of the igniting action of magnetizing is described.
[primary component symbol description]
21 detect step
22 oil spouts or igniting determining step
221 fuel injection signal
222 fire signals that magnetize
23 oil spouts or igniting revisal step
31 location aware devices
311 coding tooth sequence numbers
32 engine flywheel
321 flywheel bodies
322 coding teeth
323 convex teeth portions
324 empty tooth portions
33 electronic control units
331 oil spouts coding tooth sequence number
332 igniting coding tooth sequence numbers
A～D desired location
Next tooth of A '～D '
Embodiment
About aforementioned and other technology contents, characteristics and effect of the present invention, with reference in the graphic DETAILED DESCRIPTION OF THE PREFERRED, can clearly present in following cooperation.
Consult Fig. 3, the preferred embodiment of the controlling method of engine of the present invention comprises one and detects step 21, an oil spout or igniting determining step 22, and an oil spout or igniting revisal step 23.
Consult Fig. 3,4,5, this detection step 21 utilizes a location aware device 31 to detect the pivotal position of engine flywheel 32, and calculates a coding tooth sequence number 311 of the pivotal position of corresponding this engine flywheel 32 with an electronic control unit 33.
In this preferred embodiment, this location aware device 31 is crank position sensors, and this engine flywheel 32 comprises a flywheel body 321, and a plurality of spacer rings are located at the coding tooth 322 of these flywheel body 321 outer periphery, described coding tooth 322 can be distinguished into 23 spacer rings and be located at the empty tooth of the convex teeth portion 323 of these flywheel body 321 outer periphery and 1 portion 324, this coding tooth sequence number 311 then is electronic control unit 33 corresponding described coding teeth 322 and the continuous square wave that calculates, the ripple that Fig. 5 central span is big is promptly represented the empty tooth portion 324 of this coding tooth 322, and the little ripple of span is promptly represented each convex teeth portion 323 of this coding tooth 322.
Whether this oil spout or igniting determining step 22 are to be positioned on the desired location of this coding tooth sequence number 311 with the oil spout coding tooth sequence number 331 of these electronic control unit 33 comparison The built-in or an igniting coding tooth sequence number 332, fire signal 222 carries out fuel injection event or the igniting action of magnetizing if the fuel injection signal 221 or of sending 33 of this electronic control units magnetizes, and does not then enter this oil spout or igniting revisal step 23 if carry out fuel injection event or magnetize to light a fire to move.
In this special instruction be, this preferred embodiment is to be example with a four-journey engine, just this engine flywheel 32 whenever take two turns just can be once fuel injection signal 221 and the fire signal 222 that magnetizes once, produce power output once, can certainly be applied on other the engine, not limit by the detail of this preferred embodiment.And this fuel injection signal 221 and the fire signal 222 that magnetizes to be nozzle (not shown)s carry out fuel injection event and the spark plug (not shown) the beginning and the end magnitude of voltage of igniting when moving that magnetize, wherein, this fuel injection signal 221 is a high-voltage value with the starting voltage of the fire signal 222 that magnetizes, and the final voltage of this fuel injection signal 221 and the fire signal 222 that magnetizes is a low voltage value.
This oil spout or igniting revisal step 23 are when crossing built-in oil spouts coding tooth sequence number 331 of this electronic control unit 33 or igniting coding tooth sequence number 332, by this electronic control unit 33 according to above-mentioned determining step 22 next tooth in coding tooth sequence number 311, send a fuel injection signal 221 or a fire signal 222 that magnetizes, to make nozzle (not shown) or spark plug (not shown) carry out fuel injection event or to magnetize the igniting action.In this preferred embodiment, next tooth of coding tooth sequence number 311 is the coding tooth sequence number 311 of next convex teeth portion 323 of the coding tooth sequence number 311 of desired location.
Below will the effect that can produce of the controlling method of this engine be described respectively when practical application with four kinds of situations.
Consult Fig. 6, and consult Fig. 3 in the lump, 4, when these coding tooth sequence number 311 arrival need be carried out the desired location A of fuel injection event, if this electronic control unit 33 does not still send the starting voltage of this fuel injection signal 221 as shown in Figure 6, that is do not carry out fuel injection event, promptly enter this oil spout or igniting revisal step 23 this moment, this electronic control unit 33 promptly as shown in Figure 6, the fuel injection signal 221 control fuel injection event shown in the imaginary line in next tooth A ' of the desired location A of this coding tooth sequence number 311 produces just like Fig. 6 avoid causing because of the oil supply deficiency running instability of engine (not shown).
Consult Fig. 7, and consult Fig. 3 in the lump, 4, when this coding tooth sequence number 311 arrives the desired location B that needs the end fuel injection event, if this electronic control unit 33 does not still send the final voltage of this fuel injection signal 221 as shown in Figure 7, that is fuel injection event continues to carry out, promptly enter this oil spout or igniting revisal step 23 this moment, this electronic control unit 33 promptly as shown in Figure 7, the fuel injection signal 221 of the low voltage value shown in the imaginary line in next tooth B ' of the desired location B of this coding tooth sequence number 311 produces just like Fig. 7, the end of control fuel injection event, avoid oil plant too much to cause the running instability of engine (not shown), also can avoid air-polluting to produce.
Consult Fig. 8, and consult Fig. 3 in the lump, 4, when this coding tooth sequence number 311 arrives the desired location C of the igniting action of need magnetizing, if this electronic control unit 33 does not still send the starting voltage of this fire signal 222 that magnetizes as shown in Figure 8, that is the igniting action of magnetizing, promptly enter oil spout or igniting revisal step 23 this moment, this electronic control unit 33 promptly as shown in Figure 8, the fire signal 222 that magnetizes shown in the imaginary line in next tooth C ' of the desired location C of this coding tooth sequence number 311 produces just like Fig. 8, control is magnetized to light a fire and is moved, and avoids causing because of the igniting baulk of magnetizing the running instability of engine (not shown).
Consult Fig. 9, and consult Fig. 3 in the lump, 4, when this coding tooth sequence number 311 arrives the desired location D of the igniting action that needs to finish to magnetize, if this electronic control unit 33 does not still send the final voltage of this fire signal 222 that magnetizes as shown in Figure 9, that is continue to be in the state that magnetizes of igniting action of magnetizing, promptly enter oil spout or igniting revisal step 23 this moment, this electronic control unit 33 promptly as shown in Figure 9, the fire signal 222 that magnetizes of the low voltage value shown in the imaginary line is lighted a fire in next tooth D ' of the desired location D of this coding tooth sequence number 311 produces just like Fig. 9, the end that control is magnetized and lighted a fire and move, avoiding continues to magnetize causes member to cross cause thermal damage, to increase working life.
In sum, whether this oil spout coding tooth sequence number 331 that the controlling method of engine of the present invention is utilized this electronic control unit 33 comparison The built-in tooth sequence number 332 of maybe should igniting encoding is positioned at the desired location A of this coding tooth sequence number 311, B, C, on the D, fire signal 222 carries out fuel injection event or magnetizes the igniting action if the fuel injection signal 221 or of sending 33 of this electronic control units magnetizes, if do not carry out fuel injection event or magnetize the igniting action, promptly in the desired location A of this coding tooth sequence number 311, B, C, next tooth A ' of D, B ', C ', D ' produces the fuel injection signal 221 or the fire signal 222 that magnetizes, avoid missing fuel injection event and the time of magnetizing and lighting a fire and moving, thus, improve the engine stability and can effectively avoid member to damage, and then the working life of increase engine, so can reach purpose of the present invention really.
The above only is the preferred embodiments of the present invention, and it also is not intended to the scope of the invention process that limits, and various equivalent modifications and change that the present invention is carried out all fall within protection scope of the present invention.
Claims (7)
1. the controlling method of an engine comprises:
One detects step, utilizes a location aware device to detect the pivotal position of engine flywheel, and calculates a coding tooth sequence number of the pivotal position of corresponding described engine flywheel with an electronic control unit;
One oil spout or igniting determining step, whether the one oil spout coding tooth sequence number of described electronic control unit comparison The built-in or an igniting coding tooth sequence number are positioned on the desired location of described coding tooth sequence number, fire signal carries out fuel injection event or the igniting action of magnetizing if the fuel injection signal or of then sending described electronic control unit magnetizes, and does not then enter next step if carry out fuel injection event or magnetize to light a fire to move; And
One oil spout or igniting revisal step, if crossed built-in oil spout of electronic control unit or igniting coding tooth sequence number, by electronic control unit according to above-mentioned determining step next tooth in coding tooth sequence number, send a fuel injection signal or the fire signal that magnetizes, carry out oil spout or igniting to make nozzle or spark plug.
2. the controlling method of engine as claimed in claim 1, wherein, the fuel injection signal in described oil spout or the igniting determining step or the fire signal that magnetizes are control fuel injection event or the beginning and the end magnitude of voltage when magnetizing the igniting action.
3. the controlling method of engine as claimed in claim 1, wherein, engine flywheel in the described detection step comprises a flywheel body, reach a plurality of spacer rings and be located at the coding tooth of described flywheel body outer periphery, described coding tooth sequence number then is the continuous square wave that the corresponding described coding tooth of described electronic control unit is calculated.
4. the controlling method of engine as claimed in claim 3, wherein, the described coding tooth of described engine flywheel can be distinguished into the convex teeth portion that 23 spacer rings are located at described flywheel body outer periphery, and 1 empty tooth portion.
5. the controlling method of engine as claimed in claim 1 or 2, wherein, described fuel injection signal is a high-voltage value with the starting voltage of the fire signal that magnetizes, and the final voltage of described fuel injection signal and the fire signal that magnetizes is a low voltage value.
6. the controlling method of engine as claimed in claim 1, wherein, next tooth in described oil spout or the igniting revisal step is the coding tooth sequence number of next convex teeth portion of the coding tooth sequence number of desired location.
7. the controlling method of engine as claimed in claim 1, wherein, described location aware device is a crank position sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101790459A CN102042107A (en) | 2009-10-09 | 2009-10-09 | Control method for engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101790459A CN102042107A (en) | 2009-10-09 | 2009-10-09 | Control method for engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102042107A true CN102042107A (en) | 2011-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101790459A Pending CN102042107A (en) | 2009-10-09 | 2009-10-09 | Control method for engine |
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| Country | Link |
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| CN (1) | CN102042107A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104632500A (en) * | 2013-11-15 | 2015-05-20 | 比亚迪股份有限公司 | Method and device for obtaining magnetizing time of engine |
| CN106996355A (en) * | 2017-05-26 | 2017-08-01 | 武汉菱电汽车电控***股份有限公司 | Motorcycle engine is accurately lighted a fire system and method |
| CN108005831A (en) * | 2017-11-07 | 2018-05-08 | 浙江锋龙电气股份有限公司 | A kind of high accuracy ignition system |
| CN108386289A (en) * | 2017-11-15 | 2018-08-10 | 佛山市洛克威特科技有限公司 | A kind of engine ignitor |
| CN108667367A (en) * | 2017-04-01 | 2018-10-16 | 光阳工业股份有限公司 | Integral type starts the crank position Synchronous control method and system of generator |
| CN110378443A (en) * | 2018-04-12 | 2019-10-25 | 武汉众宇动力***科技有限公司 | Fuel tank and its detection of attribute system and method for gas-fed fuel cell |
-
2009
- 2009-10-09 CN CN2009101790459A patent/CN102042107A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104632500A (en) * | 2013-11-15 | 2015-05-20 | 比亚迪股份有限公司 | Method and device for obtaining magnetizing time of engine |
| CN104632500B (en) * | 2013-11-15 | 2017-05-03 | 比亚迪股份有限公司 | Method and device for obtaining magnetizing time of engine |
| CN108667367A (en) * | 2017-04-01 | 2018-10-16 | 光阳工业股份有限公司 | Integral type starts the crank position Synchronous control method and system of generator |
| CN108667367B (en) * | 2017-04-01 | 2020-10-02 | 光阳工业股份有限公司 | Crankshaft position synchronization control method and system of integrated starter generator |
| CN106996355A (en) * | 2017-05-26 | 2017-08-01 | 武汉菱电汽车电控***股份有限公司 | Motorcycle engine is accurately lighted a fire system and method |
| CN108005831A (en) * | 2017-11-07 | 2018-05-08 | 浙江锋龙电气股份有限公司 | A kind of high accuracy ignition system |
| CN108005831B (en) * | 2017-11-07 | 2021-04-09 | 浙江锋龙电气股份有限公司 | High-precision ignition system |
| CN108386289A (en) * | 2017-11-15 | 2018-08-10 | 佛山市洛克威特科技有限公司 | A kind of engine ignitor |
| CN110378443A (en) * | 2018-04-12 | 2019-10-25 | 武汉众宇动力***科技有限公司 | Fuel tank and its detection of attribute system and method for gas-fed fuel cell |
| CN110378443B (en) * | 2018-04-12 | 2024-04-16 | 武汉众宇动力***科技有限公司 | Fuel tank for gas fuel cell and attribute detection system and method thereof |
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Application publication date: 20110504 |