CN101982357B - Automobile energy-saving control system and control method thereof - Google Patents
Automobile energy-saving control system and control method thereof Download PDFInfo
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- CN101982357B CN101982357B CN201010523171.4A CN201010523171A CN101982357B CN 101982357 B CN101982357 B CN 101982357B CN 201010523171 A CN201010523171 A CN 201010523171A CN 101982357 B CN101982357 B CN 101982357B
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000007935 neutral effect Effects 0.000 claims abstract description 41
- 238000004378 air conditioning Methods 0.000 claims description 27
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000003860 storage Methods 0.000 claims description 9
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 230000007812 deficiency Effects 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The invention discloses an automobile energy-saving control system which belongs to the field of automobile manufacturing. The control method of the automobile energy-saving control system comprises: an engine controller is used for acquiring a speed signal, a throttle signal, a neutral position signal and a clutch pedal signal; if the speed signal acquired by the engine controller is greater than zero and less than or equal to a second trigger speed setting value and the engine controller also simultaneously acquires a throttle complete release signal, the neutral position signal and a clutch pedal complete release signal, the engine is controlled to automatically stop; or else, the engine is controlled to run as usual. According to the invention, the defect of oil waste in the idle state during traveling at ordinary times can be solved by changing the idle state into the engine dead state, thus the goals of energy saving and emission reduction are realized.
Description
Technical field
The present invention relates to automobile manufacturing field, particularly a kind of automotive energy-saving control system.
Background technology
Along with the development of the up-to-date technologys such as Eltec, computer technology and information techenology, electronic control system is more and more applied in automobile manufacturing field.Often adopt engine controller to control automotive engine work in the prior art, realize the optimal control to automotive engine thus.
Automotive engine, in real work, is often in idling mode.So-called idling mode refers to a kind of working condition during racing of the engine.When engine running, if complete close the throttle, driving engine is just in idling mode.Be in the driving engine running as usual of idling mode, but not driving automobile motion, the mechanical energy that now gasoline combustion produces all consumes in the friction of inner body, not only oil consumption but also contaminated environment.
Realizing in process of the present invention, contriver finds that prior art at least exists following problem: the control method of prior art cannot solve the problem of auto idle speed.
Summary of the invention
The object of the embodiment of the present invention is the defect for above-mentioned prior art, a kind of control method of automotive energy-saving control system is provided, the method is by becoming driving engine dead state by idling mode, solve idling mode in driving at ordinary times and consume oil condition in vain, thus achieve the object of energy-saving and emission-reduction.
The technical scheme that the present invention takes to achieve these goals is:
A kind of control method of automotive energy-saving control system, vehicle speed signal, throttle signal, neutral signal and pedal of clutch signal is obtained by engine controller, if the described vehicle speed signal that engine controller obtains is greater than zero and is less than or equal to the second triggering speed setting value, and described engine controller also gets throttle is totally released signal, neutral signal and pedal of clutch and is totally released signal simultaneously, then control engine automatic stop; Otherwise, control driving engine running as usual.
Described engine controller also comprises before obtaining vehicle speed signal, throttle signal, neutral signal and pedal of clutch signal: after automotive ignition, and described engine controller obtains cranking signal, controls car engine start; During car deceleration, when the vehicle speed signal that described engine controller obtains be greater than described second trigger speed setting value be less than or equal to the first triggering speed setting value time, control automobile enter energy saver mode.
Also comprise after engine automatic stop:
When described engine controller obtains automatic cranking signal, then control driving engine and automatically start in the power save mode; Or
When described engine controller obtains accumulator electric-quantity shortage signal and/or when having air-conditioning request signal and/or vacuum degree deficiency signal, then exits energy saver mode, described automatic engine start; Or
When described engine controller obtains starting relay without pickup signal, automobile normally stops.
Described cranking signal comprises the pickup signal and/or closing signal and/or energy saver mode start signal that starting relay produces.
Described automatic cranking signal comprises neutral gear signal and pedal of clutch steps on signal and/or door closing signal.
Described first triggering speed setting value is 10-30km/h.
Described second triggering speed setting value is 1-9km/h.
When producing described pedal of clutch and stepping on signal, described pedal of clutch is stepped between scope steps on extremely completely at 10 degree.Another technical scheme that the present invention takes to achieve these goals is:
A kind of automotive energy-saving control system, comprise driving engine, engine controller and be connected with engine controller with lower device:
Power-transfer clutch bottom switch, for transmitting clutch state signal to described engine controller;
Neutral position switch, for transmitting neutral signal to described engine controller;
Car speed sensor, for transmitting vehicle speed signal to described engine controller;
Das Gaspedal bottom switch, for institute to stating engine controller transmission throttle signal.
Described automotive energy-saving control system, also comprises:
Starting relay, for the transmission starting relay adhesive of described engine controller or without pickup signal;
Air conditioning control switch, for having air-conditioning request signal to the transmission of described engine controller or without air-conditioning request signal;
Door contact switch, for cutting out or door opening signal to described engine controller transmission gate;
Master cock, for transmitting starting energy-saving mode signal or closing energy saver mode signal to described engine controller;
Storage battery sensor, for transmitting accumulator electric-quantity signal to described engine controller;
Brake vacuum degree sensor, for transmitting degree of vacuum signal to described engine controller;
Messenger chain sensor, for ensureing the signal that described engine controller acquisition neutral position switch and power-transfer clutch bottom switch send.
The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought is: by idling mode is become driving engine dead state, solve idling mode in driving at ordinary times and consume oil condition in vain, reduce driving oil consumption, under ensureing running safety and driving comfortable prerequisite, achieve the object of energy-saving and emission-reduction.
Accompanying drawing explanation
Fig. 1 is the control logic figure provided in the embodiment of the present invention;
Fig. 2 is the equipment annexation schematic diagram provided in the embodiment of the present invention.
In figure:
1, engine controller, 2, master cock, 3, air conditioning control switch, 4, door contact switch, 5, car speed sensor, 6, Das Gaspedal bottom switch, 7, ignition lock, 8, starter, 9, driving engine, 10, change speed gear box, 11, storage battery sensor, 12, neutral position switch, 13, power-transfer clutch bottom switch, 14, messenger chain sensor, 15, starting relay, 16, brake vacuum degree sensor.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Embodiment 1
A kind of control method of automotive energy-saving control system, vehicle speed signal, throttle signal, neutral signal and pedal of clutch signal is obtained by engine controller, if the described vehicle speed signal that engine controller obtains is greater than zero and is less than or equal to the second triggering speed setting value 4km/h, and described engine controller also gets throttle is totally released signal, neutral signal and pedal of clutch and is totally released signal simultaneously, then control engine automatic stop; Otherwise, control driving engine running as usual.
When the speed of a motor vehicle drops to 4km/h, if throttle is totally released, hang neutral and pedal of clutch is totally released, illustrate that chaufeur has the wish of parking, now control engine automatic stop, thus make the idling mode of automobile become driving engine dead state, solve idling mode in driving at ordinary times and consume oil condition in vain, reduce driving oil consumption.
Embodiment 2
With reference to Fig. 1, a kind of control method of automotive energy-saving control system, concrete steps comprise:
(1) when car key is beaten to ON shelves, after automotive ignition, starting relay 15 adhesive, engine controller 1 obtains the pickup signal that starting relay 15 transmits, also obtain clutch operating signal that power-transfer clutch bottom switch 13 transmits or the neutral signal that neutral position switch 12 transmits simultaneously, engine controller 1 controls automotive engine 9 normal starting, normal vehicle operation;
(2) engine controller 1 obtains by car speed sensor 5 signal that the speed of a motor vehicle reaches the first triggering speed setting value 20km/h, and is obtained without air-conditioning request signal by air conditioning control switch 3, and engine controller 1 controls automobile and enters energy saver mode;
(3) in the power save mode, engine controller 1 obtains by car speed sensor 5 signal that the speed of a motor vehicle reaches the second triggering speed setting value 5km/h, obtain throttle by Das Gaspedal bottom switch 6 and be totally released signal, neutral signal is obtained by neutral position switch 12, obtain pedal of clutch by power-transfer clutch bottom switch 13 and be totally released signal, then engine controller 1 judges that driving engine 9 stops automatically.
When engine controller 1 obtains neutral signal and pedal of clutch steps on signal, then judge that driving engine 9 starts in the power save mode automatically;
When engine controller 1 obtains accumulator electric-quantity shortage signal and/or have air-conditioning request signal and/or vacuum degree deficiency signal, then judge to exit energy saver mode, driving engine 9 starts automatically.
When being beaten by car key to OFF shelves, starting relay 15 is separated, and engine controller 1 obtains starting relay 15 without pickup signal, and automobile normally stops.
The embodiment of the present invention controls driving engine 9 by engine controller 1, by adding air conditioning control switch 3, door contact switch 4, Das Gaspedal bottom switch 6, ignition lock 7, storage battery sensor 11, neutral position switch 12, power-transfer clutch bottom switch 13, messenger chain sensor 14, the input interfaces such as starting relay 15 and brake vacuum degree sensor 16, add the controlled condition that engine controller 1 is new, thus add the control logic of engine automatic stop, the idling mode of automobile is made to become driving engine dead state, solve idling mode in driving at ordinary times and consume oil condition in vain, reduce driving oil consumption, the object of energy-saving and emission-reduction is achieved under ensureing running safety and driving comfortable prerequisite.
Automobile in the process of moving, can halt when running into red light, if now driving engine adopts the control system of prior art to be in idling mode.Adopt the automobile of the control system of the embodiment of the present invention, in the process of moving, when engine controller 1 monitors without air-conditioning request signal, when the speed of a motor vehicle reaches setting value 20Km/h, engine controller 1 controls vehicle and enters energy saver mode; When running into red light, be totally released throttle, hang up neutral gear, be totally released power-transfer clutch, engine controller 1 monitors throttle and is totally released signal, neutral gear signal and pedal of clutch and is totally released signal, when the speed of a motor vehicle is reduced to setting value 5Km/h, engine controller 1 controls engine automatic stop running, thus reduces oil consumption; When becoming green light, direct stepping on clutch, engine controller 1 monitors power-transfer clutch and steps on signal, and control automatic engine start, now engage a gear can normally travel.The control method of the embodiment of the present invention can reduce the oil consumption in idling process effectively, and overall oil consumption reduces by 5%.Thus play the effect of energy-saving and emission-reduction.In the summer of sweltering heat or the winter of cold, need to open air-conditioning, now engine controller 1 has monitored air-conditioning request signal, can self-closing link energy pattern, can not allow engine automatic stop; If under driving engine is in automatic stop condition, open air-conditioning, engine controller 1 monitors air-conditioning request signal, makes driving engine can exit energy saver mode and automatically starts; Equally storage battery quantity not sufficient or brake vacuum degree not enough time, engine controller 1 monitors accumulator electric-quantity shortage signal or vacuum degree deficiency signal also can self-closing link energy pattern, makes automatic engine start ensure normal traveling and the safety of vehicle.
For ensureing traffic safety, the control method of the automotive energy-saving control system of the embodiment of the present invention, judge that automobile also needs when entering energy saver mode to obtain door closing signal at described step (2) engine controller 1;
For providing the facility of unrestricted choice energy saver mode to chaufeur, described step (2) engine controller 1 judges that automobile also needs when entering energy saver mode to obtain the energy saver mode start signal sent by the master cock of energy saver mode.
The described first triggering speed of the embodiment of the present invention can be set as 10-30km/h as required.
The described second triggering speed of the embodiment of the present invention can be set as 1-9km/h as required.
Touch power-transfer clutch because of carelessness for preventing chaufeur and cause automatic engine start, described engine controller 1 obtains pedal of clutch when stepping on signal, and pedal of clutch is stepped on and is more than or equal to 10 degree.
Embodiment 3
With reference to Fig. 2, the starting relay 15, power-transfer clutch bottom switch 13, neutral position switch 12, car speed sensor 5, air conditioning control switch 3, Das Gaspedal bottom switch 6 and the starter 8 that comprise ignition lock 7, driving engine 9, engine controller 1 and be connected with engine controller 1 are equipped in the control of the embodiment of the present invention.Ignition lock 7 is connected with starting relay 15, and ignition lock 7 controls automotive ignition; Starting relay 15 transmits cranking signal to engine controller 1; Power-transfer clutch bottom switch 13 transmits clutch state signal to engine controller 1; Neutral position switch 12 transmits neutral signal to engine controller 1; Car speed sensor 5 transmits vehicle speed signal to engine controller 1; Air conditioning control switch 3 has air-conditioning request signal or without air-conditioning request signal to engine controller transmission; Das Gaspedal bottom switch 6 transmits throttle signal to engine controller 1; Starter 8 performs the instruction that described engine controller fire an engine runs; Engine controller 1 is connected with driving engine 9, and engine controller 1 controls driving engine 9 and performs corresponding running after obtaining each signal.
The control equipment of the embodiment of the present invention realizes opening and cut out of neutral position switch 12 by change speed gear box 10.
For ensureing whether the safety of driving enters energy saver mode with convenient and convenient chaufeur unrestricted choice, the control equipment of the embodiment of the present invention also comprises the door contact switch 4, master cock 2, storage battery sensor 11, brake vacuum degree sensor 16 and the messenger chain sensor 14 that are connected with engine controller.Door contact switch 4 cuts out or door opening signal to engine controller 1 transmission gate; Master cock 2 is transmitted starting energy-saving mode signal to engine controller 1 or is closed energy saver mode signal; Storage battery sensor 11 transmits accumulator electric-quantity signal to engine controller 1; Brake vacuum degree sensor 16 transmits degree of vacuum signal to engine controller 1; Messenger chain sensor 14 ensures the signal that engine controller 1 obtains neutral position switch and power-transfer clutch bottom switch and sends.
All or part of content in the technical scheme that above embodiment provides can be realized by software programming, and its software program is stored in the storage medium that can read, storage medium such as: the hard disk in computing machine, CD or floppy disk.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. a control method for automotive energy-saving control system, is characterized in that,
After automotive ignition, engine controller obtains cranking signal, controls car engine start;
During car deceleration, the vehicle speed signal obtained when described engine controller is greater than the second triggering speed setting value and is less than or equal to the first triggering speed setting value, controls automobile and enters energy saver mode;
Vehicle speed signal, throttle signal, neutral signal and pedal of clutch signal is obtained by engine controller,
In the power save mode, if the described vehicle speed signal that engine controller obtains is greater than zero and is less than or equal to the second triggering speed setting value, and described engine controller also gets throttle is totally released signal, neutral signal and pedal of clutch and is totally released signal simultaneously, then control engine automatic stop;
Otherwise, control driving engine running as usual;
Wherein, when car key is beaten to ON shelves, after automotive ignition, starting relay adhesive, engine controller obtains the pickup signal that described starting relay transmits, also obtain clutch operating signal that power-transfer clutch bottom switch transmits or the neutral signal that neutral position switch transmits, described engine controller controls automotive engine normal starting, normal vehicle operation simultaneously;
Described engine controller obtains by car speed sensor the signal that the speed of a motor vehicle reaches the first triggering speed setting value 20km/h, and is obtained without air-conditioning request signal by air conditioning control switch, and described engine controller controls automobile enters energy saver mode;
In the power save mode, described engine controller obtains by car speed sensor the signal that the speed of a motor vehicle reaches the second triggering speed setting value 5km/h, obtain throttle by Das Gaspedal bottom switch and be totally released signal, neutral signal is obtained by neutral position switch, obtain pedal of clutch by power-transfer clutch bottom switch and be totally released signal, then described engine controller judges engine automatic stop;
When described engine controller obtains neutral signal and pedal of clutch steps on signal, then judge that described driving engine starts in the power save mode automatically;
Obtain accumulator electric-quantity shortage signal when described engine controller and/or when having air-conditioning request signal and/or vacuum degree deficiency signal, then judge to exit energy saver mode, described automatic engine start;
When being beaten by car key to OFF shelves, described starting relay is separated, and described engine controller obtains described starting relay without pickup signal, and automobile normally stops.
2. the control method of automotive energy-saving control system according to claim 1, is characterized in that, described cranking signal comprises the pickup signal and/or closing signal and/or energy saver mode start signal that starting relay produces.
3. the control method of automotive energy-saving control system according to claim 1, is characterized in that, when producing described pedal of clutch and stepping on signal, described pedal of clutch is stepped between scope steps on extremely completely at 10 degree.
4. an automotive energy-saving control system, is characterized in that, comprise the ignition lock for controlling automotive ignition, driving engine, the engine controller be connected with described driving engine and be connected with engine controller with lower device:
Starting relay, is connected with described ignition lock, for the transmission starting relay adhesive of described engine controller or without pickup signal;
Power-transfer clutch bottom switch, for transmitting clutch state signal to described engine controller;
Neutral position switch, for transmitting neutral signal to described engine controller;
Car speed sensor, for transmitting vehicle speed signal to described engine controller;
Das Gaspedal bottom switch, for institute to stating engine controller transmission throttle signal;
Air conditioning control switch, for having air-conditioning request signal to the transmission of described engine controller or without air-conditioning request signal;
Wherein, when car key is beaten to ON shelves, after automotive ignition, starting relay adhesive, engine controller obtains the pickup signal that described starting relay transmits, also obtain clutch operating signal that power-transfer clutch bottom switch transmits or the neutral signal that neutral position switch transmits, described engine controller controls automotive engine normal starting, normal vehicle operation simultaneously;
Described engine controller obtains by car speed sensor the signal that the speed of a motor vehicle reaches the first triggering speed setting value 20km/h, and is obtained without air-conditioning request signal by air conditioning control switch, and described engine controller controls automobile enters energy saver mode;
In the power save mode, described engine controller obtains by car speed sensor the signal that the speed of a motor vehicle reaches the second triggering speed setting value 5km/h, obtain throttle by Das Gaspedal bottom switch and be totally released signal, neutral signal is obtained by neutral position switch, obtain pedal of clutch by power-transfer clutch bottom switch and be totally released signal, then described engine controller judges engine automatic stop;
When described engine controller obtains neutral signal and pedal of clutch steps on signal, then judge that described driving engine starts in the power save mode automatically;
Obtain accumulator electric-quantity shortage signal when described engine controller and/or when having air-conditioning request signal and/or vacuum degree deficiency signal, then judge to exit energy saver mode, described automatic engine start;
When being beaten by car key to OFF shelves, described starting relay is separated, and described engine controller obtains described starting relay without pickup signal, and automobile normally stops.
5. automotive energy-saving control system according to claim 4, is characterized in that, also comprises:
Door contact switch, for cutting out or door opening signal to described engine controller transmission gate;
Master cock, for transmitting starting energy-saving mode signal or closing energy saver mode signal to described engine controller;
Storage battery sensor, for transmitting accumulator electric-quantity signal to described engine controller;
Brake vacuum degree sensor, for transmitting degree of vacuum signal to described engine controller;
Messenger chain sensor, for ensureing the signal that described engine controller acquisition neutral position switch and power-transfer clutch bottom switch send.
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| CN201010523171.4A CN101982357B (en) | 2010-10-26 | 2010-10-26 | Automobile energy-saving control system and control method thereof |
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| CN201010523171.4A CN101982357B (en) | 2010-10-26 | 2010-10-26 | Automobile energy-saving control system and control method thereof |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102555949B (en) * | 2012-02-06 | 2014-07-30 | 潍柴动力股份有限公司 | Method and device for controlling vehicular electrical appliances |
| CN105564415B (en) * | 2014-10-08 | 2018-05-11 | 广州汽车集团股份有限公司 | Intelligent start/stop system and method |
| US9707963B2 (en) * | 2015-10-08 | 2017-07-18 | Ford Global Technologies, Llc | Systems and methods for operating a vehicle with a manual shift transmission |
| CN108528209B (en) * | 2015-10-13 | 2021-06-15 | 台州博润汽车电器有限公司 | Automobile starting energy-saving system |
| CN105966401B (en) * | 2016-06-20 | 2019-02-19 | 安徽江淮汽车集团股份有限公司 | A kind of vehicle sliding shutdown fuel-economizing controlling method |
| CN109278749A (en) * | 2018-07-30 | 2019-01-29 | 北京长城华冠汽车科技股份有限公司 | A kind of auto idle speed start-stop control system and control method |
| CN113250833B (en) * | 2021-05-29 | 2022-06-10 | 奇瑞汽车股份有限公司 | Engine fuel cut-off control method for vehicle sliding stage |
| CN113771854B (en) * | 2021-08-26 | 2023-12-22 | 东风汽车集团股份有限公司 | Intelligent judging method and system for automobile start-stop conditions |
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