CN107218148A - A kind of control system of carburetor gasoline engine - Google Patents
A kind of control system of carburetor gasoline engine Download PDFInfo
- Publication number
- CN107218148A CN107218148A CN201710371761.1A CN201710371761A CN107218148A CN 107218148 A CN107218148 A CN 107218148A CN 201710371761 A CN201710371761 A CN 201710371761A CN 107218148 A CN107218148 A CN 107218148A
- Authority
- CN
- China
- Prior art keywords
- gasoline engine
- speed
- engine body
- ecu
- stepping motor
- 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.)
- Pending
Links
- 239000007858 starting material Substances 0.000 claims abstract description 17
- 239000000523 sample Substances 0.000 claims abstract description 16
- 238000010276 construction Methods 0.000 abstract description 2
- 238000012913 prioritisation Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000010354 integration Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008246 gaseous mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D43/00—Conjoint electrical control of two or more functions, e.g. ignition, fuel-air mixture, recirculation, supercharging or exhaust-gas treatment
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/04—Engine intake system parameters
- F02D2200/0404—Throttle position
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/10—Parameters related to the engine output, e.g. engine torque or engine speed
- F02D2200/101—Engine speed
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a kind of control system of carburetor gasoline engine, gasoline engine body, starter motor, flame-out line, ECU, start-stop button, speed adjusting module, temperature sensor, speed probe and display are included；Carburetor is provided with the first Driving Stepping Motor for controlling air throttle and the second Driving Stepping Motor for controlling choke in gasoline engine body；ECU is electrically connected with starter motor, flame-out line, the first Driving Stepping Motor, the second Driving Stepping Motor, start-stop button, speed adjusting module, temperature sensor, speed probe, display respectively.Temperature sensor, speed probe are respectively used to obtain the temperature and real-time rotating speed of gasoline engine body.During work, ECU controls the first Driving Stepping Motor, the second Driving Stepping Motor to work according to input data, and controls display to show related data.The present invention is simple in construction, and number of parts is few, and using step motor control air throttle and choke, control performance is more reliable.
Description
Technical field
The present invention relates to gasoline engine, more particularly to a kind of control system of carburetor gasoline engine.
Background technology
Current electron controls technology application field is more and more extensive, can play engine on the engine its application
Better performance.Conventional carburetor and snowplough governing system adjust engine speed by mechanical structure, there is structure
Complexity, control accuracy is poor, the shortcomings of engine working speed stability is poor, and is needed manually when engine cold-start
Close choke, it is cumbersome, and exist in running the risk of mechanical speed governors part failure cause governing system fail etc.
Relevant issues, cause engine mounted longitudinally racing catastrophe failure.
The content of the invention
The technical problems to be solved by the invention are that there is provided a kind of carburetor for defect involved in background technology
The control system of formula gasoline engine, it is few with parts using Integration Design, cost is low, compact conformation, functional reliability high,
The advantages of control accuracy is high, the control for the mechanomotive force that is particularly suitable for use in sweeping away snow.
The present invention uses following technical scheme to solve above-mentioned technical problem：
A kind of control system of carburetor gasoline engine, comprising gasoline engine body, starter motor, flame-out line, ECU, start-stop button,
Speed adjusting module, temperature sensor, speed probe and display；
The air throttle of carburetor, which is provided with, in the gasoline engine body is used to control the first of air throttle folding degree to drive stepping
Motor, and the choke of carburetor is provided with the second Driving Stepping Motor for being used for controlling choke folding degree；
The starter motor, the flame-out equal and described gasoline engine body of line are electrically connected, ECU respectively with starter motor, flame-out line, the
One Driving Stepping Motor, the second Driving Stepping Motor, start-stop button, speed adjusting module, temperature sensor, speed probe, display
Device is electrically connected；
The starter motor is used to drive the gasoline engine body to operate；
The flame-out line is used to control the gasoline engine body to stop working；
The start-stop button is used to input enabling signal or stop signal to ECU so that ECU controls starter motor to start gasoline
Machine body is stopped working by flame-out line traffic control gasoline engine body；
The speed adjusting module is used for input speed and adjusts signal to ECU, to control the running speed of gasoline engine body；
The temperature sensor is arranged on the crankcase cylinder side of gasoline engine body, the temperature for obtaining gasoline engine body, and
Pass it to the ECU；
The speed probe is used for the real-time rotating speed for obtaining gasoline engine body, and passes it to the ECU；
The display is used for the speed adjustment signal of the current running speed for showing gasoline engine body and speed adjusting module input；
The ECU is used to be controlled to start according to the input data of start-stop button, speed adjusting module, temperature sensor, speed probe
Motor, flame-out line, the first Driving Stepping Motor, the work of the second Driving Stepping Motor, and control display to show gasoline engine body
Current running speed and speed adjusting module adjustment speed values.
As a kind of further prioritization scheme of the control system of carburetor gasoline engine of the invention, the ECU is used
EC291 chips.
It is used as a kind of further prioritization scheme of the control system of carburetor gasoline engine of the invention, the type of the display
Number be DDM3752.
It is used as a kind of further prioritization scheme of the control system of carburetor gasoline engine of the invention, the first driving step
Stepper motor, the second Driving Stepping Motor use stepper motor 4BYJ28-N05U-385T.
It is used as a kind of further prioritization scheme of the control system of carburetor gasoline engine of the invention, the temperature sensor
Using NSAB0103HC-601Xa.
The present invention uses above technical scheme compared with prior art, with following technique effect：
1st, the present invention uses step motor control air throttle and choke, and stepper motor is i.e. as throttle position perceptron, again
As choke actuating unit, replace traditional mechanical speed regulation method, control performance is more reliable；
2nd, integrated and modularized design, the system integration speed closed loop control, remote control, speed-regulating control module, system tool
Have simple in construction, the advantages of number of parts is few.
Brief description of the drawings
Fig. 1 is module diagram of the invention；
Fig. 2 defines for the control stitch of ECU in the present invention.
Embodiment
Technical scheme is described in further detail below in conjunction with the accompanying drawings：
The invention discloses a kind of control system of carburetor gasoline engine, comprising gasoline engine body, starter motor, flame-out line,
ECU, start-stop button, speed adjusting module, temperature sensor, speed probe and display；
The air throttle of carburetor, which is provided with, in the gasoline engine body is used to control the first of air throttle folding degree to drive stepping
Motor, and the choke of carburetor is provided with the second Driving Stepping Motor for being used for controlling choke folding degree；
The starter motor, the flame-out equal and described gasoline engine body of line are electrically connected, ECU respectively with starter motor, flame-out line, the
One Driving Stepping Motor, the second Driving Stepping Motor, start-stop button, speed adjusting module, temperature sensor, speed probe, display
Device is electrically connected；
The starter motor is used to drive the gasoline engine body to operate；
The flame-out line is used to control the gasoline engine body to stop working；
The start-stop button is used to input enabling signal or stop signal to ECU so that ECU controls starter motor to start gasoline
Machine body is stopped working by flame-out line traffic control gasoline engine body；
The speed adjusting module is used for input speed and adjusts signal to ECU, to control the running speed of gasoline engine body；
The temperature sensor is arranged on the crankcase cylinder side of gasoline engine body, the temperature for obtaining gasoline engine body, and
Pass it to the ECU；
The speed probe is used for the real-time rotating speed for obtaining gasoline engine body, and passes it to the ECU；
The display is used for the speed adjustment signal of the current running speed for showing gasoline engine body and speed adjusting module input；
The ECU is used to be controlled to start according to the input data of start-stop button, speed adjusting module, temperature sensor, speed probe
Motor, flame-out line, the first Driving Stepping Motor, the work of the second Driving Stepping Motor, and control display to show gasoline engine body
Current running speed and speed adjusting module adjustment speed values.
The ECU uses EC291 chips.
The model DDM3752 of the display, it is low temperature resistant, it is easy to operate, with the direct-connected succinct convenience of ECU.
First Driving Stepping Motor, the second Driving Stepping Motor use stepper motor 4BYJ28-N05U-385T,
It is durable, adapt to the rugged environments such as low temperature.
The temperature sensor uses NSAB0103HC-601Xa, its compact structure, is easily installed in crankcase cylinder side.
The Driving Stepping Motor of air throttle and choke is i.e. as position and angle perceptron, and as drive device, when
ECU modules first initialize air throttle stepper motor and choke stepper motor when receiving the signal of start-stop button.Choke stepping
Motor determines initial position according to temperature sensor：Choke stepper motor makes choke full when 1. temperature is less than design temperature
Close, choke stepper motor makes choke standard-sized sheet when 2. temperature are higher than design temperature）.Air throttle stepper motor standard-sized sheet.This time step
Stepper motor angle can learn the initial angle i.e. as operation.
The present invention is by controlling the stepper motor of air throttle and the stepper motor of choke to realize the rotating speed of gasoline engine body
Control, gasoline engine body is started or stoped by start-stop button and logical speed adjusting module inputs to ECU to realize electronic speed regulation.With
Family carries out target control rotating speed input by speed adjusting module to ECU, and ECU is according to rotating speed of target and the difference of actual speed, output
Pwm signal control air throttle stepper motor, drive air throttle rotation, adjustment gaseous mixture number, so as to carry out rotating speed of target
PID arithmetic and speed closed loop control, realize gasoline engine body speed governing.The system uses more friendly user interface（Hour turns
Fast table display）, user can monitor gasoline engine body service data in real time.
Fig. 2 gives 14 stitch of EC291 in control system of carburetor gasoline engine body a kind of, including controls defeated
Enter and export, power supply supply input is also included in addition.Wherein 1# stitch is the input of gasoline engine body rotating speed, and 2# stitch is ground connection,
3# stitch is engine oil sensor input, and 4# stitch is rotating speed control, and 5# stitch is ground connection, and 6# stitch is the input of 12V positive sources,
7# stitch is solenoid valve control, and 8# stitch is the input of gasoline engine body temperature sensor, and 9# stitch is start-stop button, 10# stitch
It is rotating speed control input 1,11# stitch is rotating speed control input 2, and 12# stitch is red light positive pole, the true green light positive poles of 13#, 14# pins
Pin is the startup control for connecting relay.
Speed probe passes through the flame-out of wire harness and igniter by the #10 stitch of the white plug-in unit of 14 pins in ECU modules
Line is connected.
Those skilled in the art of the present technique are it is understood that unless otherwise defined, all terms used herein（Including skill
Art term and scientific terminology）With the general understanding identical meaning with the those of ordinary skill in art of the present invention.Also
It should be understood that those terms defined in such as general dictionary should be understood that with the context of prior art
The consistent meaning of meaning, and unless defined as here, will not be explained with idealization or excessively formal implication.
Above-described embodiment, has been carried out further to the purpose of the present invention, technical scheme and beneficial effect
Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not limited to this hair
Bright, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc. should be included in the present invention
Protection domain within.
Claims (5)
1. a kind of control system of carburetor gasoline engine, it is characterised in that comprising gasoline engine body, starter motor, flame-out line,
ECU, start-stop button, speed adjusting module, temperature sensor, speed probe and display；
The air throttle of carburetor, which is provided with, in the gasoline engine body is used to control the first of air throttle folding degree to drive stepping
Motor, and the choke of carburetor is provided with the second Driving Stepping Motor for being used for controlling choke folding degree；
The starter motor, the flame-out equal and described gasoline engine body of line are electrically connected, ECU respectively with starter motor, flame-out line, the
One Driving Stepping Motor, the second Driving Stepping Motor, start-stop button, speed adjusting module, temperature sensor, speed probe, display
Device is electrically connected；
The starter motor is used to drive the gasoline engine body to operate；
The flame-out line is used to control the gasoline engine body to stop working；
The start-stop button is used to input enabling signal or stop signal to ECU so that ECU controls starter motor to start gasoline
Machine body is stopped working by flame-out line traffic control gasoline engine body；
The speed adjusting module is used for input speed and adjusts signal to ECU, to control the running speed of gasoline engine body；
The temperature sensor is arranged on the crankcase cylinder side of gasoline engine body, the temperature for obtaining gasoline engine body, and
Pass it to the ECU；
The speed probe is used for the real-time rotating speed for obtaining gasoline engine body, and passes it to the ECU；
The display is used for the speed adjustment signal of the current running speed for showing gasoline engine body and speed adjusting module input；
The ECU is used to be controlled to start according to the input data of start-stop button, speed adjusting module, temperature sensor, speed probe
Motor, flame-out line, the first Driving Stepping Motor, the work of the second Driving Stepping Motor, and control display to show gasoline engine body
Current running speed and speed adjusting module adjustment speed values.
2. the control system of carburetor gasoline engine according to claim 1, it is characterised in that the ECU uses EC291
Chip.
3. the control system of carburetor gasoline engine according to claim 1, it is characterised in that the model of the display
For DDM3752.
4. the control system of carburetor gasoline engine according to claim 1, it is characterised in that the first driving stepping
Motor, the second Driving Stepping Motor use stepper motor 4BYJ28-N05U-385T.
5. the control system of carburetor gasoline engine according to claim 1, it is characterised in that the temperature sensor is adopted
Use NSAB0103HC-601Xa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710371761.1A CN107218148A (en) | 2017-05-24 | 2017-05-24 | A kind of control system of carburetor gasoline engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710371761.1A CN107218148A (en) | 2017-05-24 | 2017-05-24 | A kind of control system of carburetor gasoline engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107218148A true CN107218148A (en) | 2017-09-29 |
Family
ID=59944367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710371761.1A Pending CN107218148A (en) | 2017-05-24 | 2017-05-24 | A kind of control system of carburetor gasoline engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107218148A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115576257A (en) * | 2022-12-08 | 2023-01-06 | 北京航空航天大学 | Aeroengine high altitude bench test control system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2705612Y (en) * | 2004-01-19 | 2005-06-22 | 樊冠生 | Vehicle electric blanker |
| CN102575617A (en) * | 2009-10-22 | 2012-07-11 | 三菱重工业株式会社 | Air-fuel ratio control device for a carburetor |
| CN102748153A (en) * | 2012-07-23 | 2012-10-24 | 山河智能装备股份有限公司 | System and method for starting and stopping protection of diesel engine of excavator |
| CN105422351A (en) * | 2015-12-31 | 2016-03-23 | 重庆瑜欣平瑞电子股份有限公司 | Electronic management system and method for gasoline engine |
| CN206889118U (en) * | 2017-05-24 | 2018-01-16 | 盐城博尔福机电科技发展有限公司 | A kind of control system of carburetor gasoline engine |
-
2017
- 2017-05-24 CN CN201710371761.1A patent/CN107218148A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2705612Y (en) * | 2004-01-19 | 2005-06-22 | 樊冠生 | Vehicle electric blanker |
| CN102575617A (en) * | 2009-10-22 | 2012-07-11 | 三菱重工业株式会社 | Air-fuel ratio control device for a carburetor |
| CN102748153A (en) * | 2012-07-23 | 2012-10-24 | 山河智能装备股份有限公司 | System and method for starting and stopping protection of diesel engine of excavator |
| CN105422351A (en) * | 2015-12-31 | 2016-03-23 | 重庆瑜欣平瑞电子股份有限公司 | Electronic management system and method for gasoline engine |
| CN206889118U (en) * | 2017-05-24 | 2018-01-16 | 盐城博尔福机电科技发展有限公司 | A kind of control system of carburetor gasoline engine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115576257A (en) * | 2022-12-08 | 2023-01-06 | 北京航空航天大学 | Aeroengine high altitude bench test control system |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170929 |
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