CN101480948A - Vehicle idling stop/start system and method without interruption of air conditioner - Google Patents
Vehicle idling stop/start system and method without interruption of air conditioner Download PDFInfo
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- CN101480948A CN101480948A CNA2009100247200A CN200910024720A CN101480948A CN 101480948 A CN101480948 A CN 101480948A CN A2009100247200 A CNA2009100247200 A CN A2009100247200A CN 200910024720 A CN200910024720 A CN 200910024720A CN 101480948 A CN101480948 A CN 101480948A
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Abstract
The invention discloses a vehicle idle-speed stopping and starting system and a vehicle idle-speed stopping and starting method without interrupting the work of an air-conditioner. The system comprises an air-conditioner compressor, an engine, a clutch, a start/generator, an automatic transmission, an idle-speed stop controller, and a clutch and various sensors and various engine ECUs, which are connected with the idle-speed stop controller. The air-conditioner compressor is connected with a hydraulic pump/motor by the clutch, the hydraulic pump/motor is connected with a hydraulic power accumulator, and the clutches, the hydraulic pump/motor and the hydraulic power accumulator are electrically connected with the idle-speed stop controller. The idle-speed stop controller sends signals to the various engine ECUs to stop the engine and is then connected with one clutch after the clutch is separated under the control. With the connection of the hydraulic pump/motor with the air-conditioner compressor, the hydraulic power accumulator supplies hydraulic pressure to the hydraulic pump/motor to drive the air-conditioner compressor. The invention can also operate the air-conditioner during the idle-speed stop period and improves the economy of the fuel oil for the idle-speed stop period without influencing the riding comfort; the operation is easy; and idle-speed stop can also be executed on various automobiles.
Description
Technical field
The present invention relates to a kind of idle stop-and-go system on the city vehicle and idling method that stops that is applied to, the combustion engine that is particularly useful for common non-hybrid power is the city vehicle of power.
Background technology
In recent years, along with the continuous minimizing of oil resources, each big motor plant is researched and developed energy saving and environment friendly vehicle one after another in the world.China is an oil consumption big country, and greatly oil dependence on import is arranged, so national government and car production enterprise are all at the oil consumption and the exhaust emissions of trying every means and reducing vehicle.Idle stop-and-go system generally is used on the motor vehicle driven by mixed power at present, stops unnecessary engine idle and saves fuel oil.For the vehicle that in the city, travels, often stop because of traffic signal lamp and traffic jam, can make vehicle operation of shutting engine down when red light and the traffic jam reduce fuel oil consumption by idle stop-and-go system is installed; For urban bus, the idling that also can carry out driving engine when passenger getting on/off stops.
The vehicle idling stop-and-go system mostly is out of service at idling stopping period air-conditioning at present, and this has just reduced the traveling comfort in the vehicle; Perhaps do not allow idling to stop in the operation of air conditioner process, this has reduced the fuel economy of automobile again.
Summary of the invention
The objective of the invention is for overcoming the defective of above-mentioned prior art, a kind of vehicle idling stop-and-go system that does not interrupt air-conditioning work and the vehicle idling method that stops is provided, also can move air-conditioning at the idling stopping period, and then under the prerequisite that does not influence travelling comfort, improve the fuel economy that idling stops.
The vehicle idling stop-and-go system that air-conditioning work is not interrupted in the present invention adopts technical scheme to be: comprise air-conditioning compressor, driving engine and power-transfer clutch, with driving engine bonded assembly not only fire an engine but also starting/electrical generator of generating electricity, the automatic transmission with hydraulic torque converter that connects driving engine, idling stop control and connected power-transfer clutch and various sensor, the Engine ECU of control driving engine, described air-conditioning compressor connects hydraulic pump/motor by power-transfer clutch, hydraulic pump/motor connects hydraulic energy storage device, with power-transfer clutch, hydraulic pump/motor, hydraulic energy storage device is electrically connected described idling stop control.
It is to comprise the steps: that the vehicle idling that air-conditioning work is not interrupted in the present invention method that stops adopts technical scheme
A, idling stop control judge according to the car speed sensor signal whether vehicle is in halted state, if then carry out next step;
B, idling stop control judge according to the gear position sensor signal whether automatic transmission with hydraulic torque converter is in N or P shelves, if then enter next step;
C, idling stop control judge according to the engine speed sensor signal whether driving engine is in tickover, if then enter next step;
D, idling stop control judge according to the battery charge sensor signal whether battery electric quantity is enough to carry out the starting of driving engine next time, if then enter next step;
E, idling stop control judge according to the pressure sensor on the hydraulic energy storage device whether the hydraulic pressure of hydraulic energy storage device can sufficient, if then enter next step;
Whether the depression stroke that F, idling stop control judge brake pedal according to the brake pedal sensor signal is greater than predefined stroke, if judge that then vehicle has satisfied the condition that engine idle stops;
G, idling stop control send a signal to Engine ECU and come shutting engine down, engaging clutch behind the idling stop control control cut-off clutch, the engagement hydraulic pump/motor is connected with air-conditioning compressor, can give Hydraulic Pump/motor driven air-conditioning compressor with the hydraulic energy storage device sap pressure supply.
The invention has the beneficial effects as follows:
1, in the vehicle idling stop-and-go system, increases a hydraulic pressure storage/output system, carry out idling when stopping at driving engine, HM Hydraulic Motor can be converted into mechanical energy with the hydraulic pressure of hydraulic energy storage device and drive air-conditioning compressor, also can move air-conditioning at the idling stopping period, and then under the prerequisite that does not influence travelling comfort, improve the fuel economy that idling stops.
2, utilize simple and low cost method realizes the idling function that stops on automobile, operate easily.
3, not only be applied on the traditional combustion engine car and on the vehicle that moves in the city, also can on other various automobiles, carry out idling and stop.
Description of drawings
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.
Fig. 1 is the constructional drawing of system of the present invention;
Fig. 2 is the diagram of circuit of the inventive method;
Fig. 3 is the diagram of circuit that driving engine 1 restarts in the inventive method.
Among the figure: 1. driving engine; 2. starting/generating; 3. idling stop control; 4. Engine ECU; 5. Engine ECU; 6. hydraulic energy storage device; 7. hydraulic pump/motor; 8. storage battery; 9. inverter; 10. air-conditioning compressor; 11. power-transfer clutch; 12. power-transfer clutch; 13. car speed sensor; 14. engine speed sensor; 15. brake pedal sensor; 16. gear position sensor; 17. operator's seat level sensor; 18. battery charge sensor; 19. pressure sensor; 20. switch.
The specific embodiment
As shown in Figure 1, system of the present invention comprises the driving engine 1 of gasoline driven, starting/the electrical generator 2 that can fire an engine 1 can generate electricity again connects driving engines 1, between air-conditioning compressor 10 that drives air-conditioning and driving engine 1, connect power-transfer clutch 12, power-transfer clutch 12 connects idling stop control 3 by signal wire (SW), and power-transfer clutch 12 can be by the clutch of the 3 control separation of idling stop control and engage engine 1 and air-conditioning compressor 10.Automatic transmission with hydraulic torque converter 4 connects driving engine 1, and the Engine ECU (electronic control unit) 5 of control driving engine 1 connects driving engine 1; Moving/as to connect storage battery 8 after electrical generator 2 connects inverters 9, storage battery 8 is not only to 2 power supplies of starting/electrical generator but also receive the electric energy of idling stop control 3 generations.Install on storage battery 8 and can detect the battery charge sensor 18 whether storage battery 8 electric weight are enough to fire an engine 1, battery charge sensor 18 and control are electrically connected to respectively on the idling stop control 3 to idling stop control 3 supply electric weight or to storage battery 8 electrically-charged inverters 9.
Air-conditioning compressor 10 connects hydraulic pump/motor 7 by power-transfer clutch 11, hydraulic pump/motor 7 connects hydraulic energy storage device 6, it is hydraulic pump/motor 7 sap pressure supply energy that hydraulic energy storage device 6 is used at the idling stopping period, and hydraulic pump/motor 7 had not only utilized the hydraulic pressure of 6 li of hydraulic energy storage devices can drive air-conditioning compressor 10 but also be hydraulic energy storage device 6 sap pressure supply energy.Power-transfer clutch 11, hydraulic pump/motor 7, the hydraulic energy storage device 6 of separation and engagement hydraulic pump/motor 7 and air-conditioning compressor 10 are electrically connected idling stop controls 3.Whether sufficient installation and measuring hydraulic energy storage device hydraulic pressure can hydraulic energy storage device pressure sensor 19 on hydraulic energy storage device 6, and pressure sensor 19 is electrically connected idling stop controls 3.Whether available main supply switch 20 is electrically connected idling stop control 3 with the control idle stop-and-go system.
The present invention stores the hydraulic pressure energy that is produced by hydraulic pump/motor 7 when the hydraulic pressure storage/output system that increases on the existing structure can be at driving engine 1 normal operation, hydraulic pressure storage/output system can drive the air-conditioning that hydraulic pump/motor 7 drives air-conditioning compressor 10 operational vehicles at the idling stopping period, like this, utilize this independently propulsion source, can when driving engine 1 stops, still driving air-conditioning compressor 10.
As Fig. 2, at the hardware of step S201 checking system whether problem is arranged, if existing problems, then the failure warning lamp glimmers and reminds the chaufeur system can not carry out normal idling to stop termination process; When testing result hardware without any problem, represent that then idle stop-and-go system belongs to normal condition.Judge at step S202 whether the idling main supply switch 20 that stops is in unlatching, stop termination process if be in the idling that off status then do not allow to carry out driving engine 1; When being in opening, main supply switch 20 shows that then the idling that allows to carry out driving engine 1 stops.At step S203, idling stop control 3 judges according to car speed sensor 13 signals whether vehicle is in halted state, when vehicle does not stop, and process ends; Stop when judging that vehicle is in, then carry out the judgement of next stage.At step S204, idling stop control 3 judges according to gear position sensor 16 signals whether automatic transmission with hydraulic torque converter 4 is in N or P shelves, if not, process ends then; When judgement is in N or P shelves, the judgement that then enters next stage.At step S205, idling stop control 3 judges to start 1 machine whether to be in tickover according to engine speed sensor 14 signals, if judge that driving engine 1 is not in tickover, or driving engine 1 stopped, then process ends; If judge that driving engine 1 is in tickover, then enter the judgement of next stage.At step S206, idling stop control 3 judges that according to battery charge sensor 18 signals the driving engine 1 whether electric weight of battery 8 is enough to carry out next time starts, if the electric weight deficiency is then forbidden carrying out idling and stopped process ends; Start if judge the driving engine 1 that electric weight is enough to carry out next time, then enter next stage.At step S207, idling stop control 3 judges according to the pressure sensor 19 of hydraulic energy storage device 6 whether hydraulic energy storage device 6 hydraulic pressure can sufficient, when hydraulic pressure energy deficiency, then process ends; When judging that hydraulic pressure can be sufficient, then enters next stage.At step S208, whether the depression stroke that idling stop control 3 is judged brake pedal according to brake pedal sensor 15 signals is greater than predefined stroke, if do not reach predefined stroke, then process ends; If surpass predefined stroke, judge that then vehicle has satisfied the condition that driving engine 1 idling stops.At step S209, idling stop control 3 sends a signal to Engine ECU 5 and comes shutting engine down 1.After driving engine 1 stops, idling stop control 3 control cut-off clutchs 12, engaging clutch 11 in step S210, come being connected of combustion cutoff 1 and air-conditioning compressor 10, engagement hydraulic pump/motor 7 is connected with air-conditioning compressor 10, utilizes hydraulic energy storage device 6 to come sap pressure supply drive air-conditioning compressor 10 can for hydraulic pump/motor 7.Like this, under the situation that driving engine 1 stops, just can continue to use air-conditioning.
The diagram of circuit that Fig. 3 restarts for driving engine 1, at step S301, idling stop control 3 judges whether driving engine 1 is in idle stop state, when driving engine 1 is not to be in idle stop state, process ends then; When judgement is to be in idle stop state, then enter next stage.At step S302, idling stop control 3 judges whether the condition that restarts driving engine 1 satisfies, when not satisfying, and process ends then; Satisfy the condition that restarts driving engine 1 when judging, then enter next stage.At step S303, idling stop control 3 sends order and comes fire an engine 1 to starting/electrical generator 2.At step S304, idling stop control 3 judges according to pressure sensor 19 signals of hydraulic energy storage device 6 whether hydraulic energy storage device 9 hydraulic pressure can sufficient, when judging that hydraulic pressure is sufficient, then control cut-off clutch 11, engaging clutch 12, cut off being connected of hydraulic pump/motor 7 and air-conditioning compressor 10, engage engine 1 is connected with air-conditioning compressor 10, uses driving engine 1 to drive air-conditioning compressor 10; When judging that hydraulic pressure is inadequate, then engaging clutch 11,12, use driving engine 1 to drive air-conditioning compressor 10 and hydraulic pump/motor 7 runnings, and hydraulic pump/motor 7 produces hydraulic pressure and can be stored in the hydraulic energy storage device 6.
Claims (5)
1. vehicle idling stop-and-go system that does not interrupt air-conditioning work, comprise air-conditioning compressor (10), driving engine (1) and power-transfer clutch (12), starting/electrical generator (2) with driving engine (1) bonded assembly not only fire an engine (1) but also generating, the automatic transmission with hydraulic torque converter (4) that connects driving engine (1), idling stop control (3) and connected power-transfer clutch (12) and various sensor, the Engine ECU (5) of control driving engine (1), it is characterized in that: described air-conditioning compressor (10) connects hydraulic pump/motor (7) by power-transfer clutch (11), hydraulic pump/motor (7) connects hydraulic energy storage device (6), with power-transfer clutch (11), hydraulic pump/motor (7), hydraulic energy storage device (6) is electrically connected described idling stop control (3).
2. a kind of vehicle idling stop-and-go system that does not interrupt air-conditioning work according to claim 1 is characterized in that: go up setting pressure sensor (19) at hydraulic energy storage device (6), pressure sensor (19) is electrically connected idling stop control (3).
3. a kind of vehicle idling stop-and-go system that does not interrupt air-conditioning work according to claim 1 is characterized in that: starting/electrical generator (2) connects storage battery (8) after connecting inverter (9); The battery charge sensor (18) and the inverter (9) of storage battery (8) are electrically connected idling stop control (3) respectively.
4. a kind of vehicle idling stop-and-go system that does not interrupt air-conditioning work according to claim 1 is characterized in that: comprise gear position sensor (16), car speed sensor (13), brake pedal sensor (15), engine speed sensor (14), operator's seat level sensor (17) with idling stop control (3) bonded assembly sensor.
5. a vehicle idling that does not interrupt air-conditioning work method that stops is characterized in that comprising the steps:
A, idling stop control (3) judge according to car speed sensor (13) signal whether vehicle is in halted state, if then carry out next step;
B, idling stop control (3) judge according to gear position sensor (16) signal whether automatic transmission with hydraulic torque converter (4) is in N or P shelves, if then enter next step;
C, idling stop control (3) judge according to engine speed sensor (14) signal whether driving engine (1) is in tickover, if then enter next step;
D, idling stop control (3) judge according to battery charge sensor (18) signal whether battery electric quantity is enough to carry out the starting of driving engine (1) next time, if then enter next step;
E, idling stop control (3) judge according to the pressure sensor (19) on the hydraulic energy storage device (6) whether the hydraulic pressure of hydraulic energy storage device (6) can sufficient, if then enter next step;
Whether the depression stroke that F, idling stop control (3) judge brake pedal according to brake pedal sensor (15) signal is greater than predefined stroke, if judge that then vehicle has satisfied the condition that driving engine (1) idling stops;
G, idling stop control (3) send a signal to Engine ECU (5) and come shutting engine down (1), idling stop control (3) control cut-off clutch (12) back engaging clutch (11), engagement hydraulic pump/motor (7) is connected with air-conditioning compressor (10), drives air-conditioning compressor (10) can for hydraulic pump/motor (7) with hydraulic energy storage device (6) sap pressure supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100247200A CN101480948A (en) | 2009-02-11 | 2009-02-11 | Vehicle idling stop/start system and method without interruption of air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2009100247200A CN101480948A (en) | 2009-02-11 | 2009-02-11 | Vehicle idling stop/start system and method without interruption of air conditioner |
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| CN101480948A true CN101480948A (en) | 2009-07-15 |
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| CNA2009100247200A Pending CN101480948A (en) | 2009-02-11 | 2009-02-11 | Vehicle idling stop/start system and method without interruption of air conditioner |
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| CN102673401A (en) * | 2011-03-10 | 2012-09-19 | 湖南华强电气有限公司 | Electric generator device of electric compressor for automobile air conditioner |
| CN102918269A (en) * | 2010-03-31 | 2013-02-06 | 法雷奥电机控制系统公司 | Method for managing a hybrid compressor of an air-conditioning circuit |
| CN103448728A (en) * | 2013-06-24 | 2013-12-18 | 浙江吉利汽车研究院有限公司杭州分公司 | Control method and system of traditional vehicular air conditioner in hybrid electric vehicle |
| CN103452684A (en) * | 2013-08-16 | 2013-12-18 | 浙江吉利汽车研究院有限公司 | Idle starting and stopping control method and system |
| CN103608568A (en) * | 2011-07-04 | 2014-02-26 | 丰田自动车株式会社 | Vehicle control apparatus |
| CN104074612A (en) * | 2014-06-26 | 2014-10-01 | 浙江吉利控股集团有限公司 | Engine stop controlling method and system |
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| CN105971749A (en) * | 2016-06-29 | 2016-09-28 | 广西玉柴机器股份有限公司 | Idling optimization control method for engine |
| CN106194540A (en) * | 2016-08-24 | 2016-12-07 | 奇瑞商用车（安徽）有限公司 | A kind of automobile engine idling on off control method and control device thereof |
| CN107097606A (en) * | 2017-06-12 | 2017-08-29 | 安徽安凯汽车股份有限公司 | A kind of hybrid power passenger car starting of air conditioner control system and method |
| CN107471952A (en) * | 2016-11-04 | 2017-12-15 | 宝沃汽车（中国）有限公司 | Accumulation energy air conditioner, accumulation energy air conditioner control method and automobile |
| CN109519287A (en) * | 2017-09-19 | 2019-03-26 | 郑州宇通客车股份有限公司 | A kind of Eng ine Idling Control method, system and vehicle |
| US10322042B2 (en) | 2017-06-01 | 2019-06-18 | Ford Global Technologies, Llc | Methods and systems for operating a mobility service vehicle |
| CN110058617A (en) * | 2018-01-18 | 2019-07-26 | 爱德利科技股份有限公司 | The control method of electric hydaulic power assist system |
| CN111689443A (en) * | 2020-05-25 | 2020-09-22 | 广东立胜电力技术有限公司 | Air conditioning system, temperature and humidity adjusting method and hot-line work bucket arm vehicle applying same |
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- 2009-02-11 CN CNA2009100247200A patent/CN101480948A/en active Pending
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| CN102918269A (en) * | 2010-03-31 | 2013-02-06 | 法雷奥电机控制系统公司 | Method for managing a hybrid compressor of an air-conditioning circuit |
| CN102673401A (en) * | 2011-03-10 | 2012-09-19 | 湖南华强电气有限公司 | Electric generator device of electric compressor for automobile air conditioner |
| CN103608568A (en) * | 2011-07-04 | 2014-02-26 | 丰田自动车株式会社 | Vehicle control apparatus |
| CN103608568B (en) * | 2011-07-04 | 2016-03-09 | 丰田自动车株式会社 | The control gear of vehicle |
| US9102334B2 (en) | 2012-10-29 | 2015-08-11 | Deere & Company | Methods and apparatus to control motors |
| CN103448728A (en) * | 2013-06-24 | 2013-12-18 | 浙江吉利汽车研究院有限公司杭州分公司 | Control method and system of traditional vehicular air conditioner in hybrid electric vehicle |
| CN103448728B (en) * | 2013-06-24 | 2016-03-02 | 浙江吉利汽车研究院有限公司杭州分公司 | The control method of a kind of traditional vehicular air conditioner in hybrid vehicle and system thereof |
| CN103452684A (en) * | 2013-08-16 | 2013-12-18 | 浙江吉利汽车研究院有限公司 | Idle starting and stopping control method and system |
| CN104074612A (en) * | 2014-06-26 | 2014-10-01 | 浙江吉利控股集团有限公司 | Engine stop controlling method and system |
| CN104074612B (en) * | 2014-06-26 | 2017-07-28 | 浙江吉利控股集团有限公司 | Engine stop control method and system |
| CN105971749A (en) * | 2016-06-29 | 2016-09-28 | 广西玉柴机器股份有限公司 | Idling optimization control method for engine |
| CN105971749B (en) * | 2016-06-29 | 2018-10-23 | 广西玉柴机器股份有限公司 | A kind of engine idle optimization control method |
| CN106194540A (en) * | 2016-08-24 | 2016-12-07 | 奇瑞商用车（安徽）有限公司 | A kind of automobile engine idling on off control method and control device thereof |
| CN106194540B (en) * | 2016-08-24 | 2019-03-15 | 奇瑞商用车（安徽）有限公司 | A kind of automobile engine idling start-up and shut-down control method and its control device |
| CN107471952A (en) * | 2016-11-04 | 2017-12-15 | 宝沃汽车（中国）有限公司 | Accumulation energy air conditioner, accumulation energy air conditioner control method and automobile |
| CN107471952B (en) * | 2016-11-04 | 2020-03-24 | 宝沃汽车（中国）有限公司 | Energy storage air conditioner, energy storage air conditioner control method and automobile |
| US10322042B2 (en) | 2017-06-01 | 2019-06-18 | Ford Global Technologies, Llc | Methods and systems for operating a mobility service vehicle |
| CN107097606A (en) * | 2017-06-12 | 2017-08-29 | 安徽安凯汽车股份有限公司 | A kind of hybrid power passenger car starting of air conditioner control system and method |
| CN107097606B (en) * | 2017-06-12 | 2023-03-28 | 安徽安凯汽车股份有限公司 | Hybrid power bus air conditioner starting control system and method |
| CN109519287A (en) * | 2017-09-19 | 2019-03-26 | 郑州宇通客车股份有限公司 | A kind of Eng ine Idling Control method, system and vehicle |
| CN110058617A (en) * | 2018-01-18 | 2019-07-26 | 爱德利科技股份有限公司 | The control method of electric hydaulic power assist system |
| CN111689443A (en) * | 2020-05-25 | 2020-09-22 | 广东立胜电力技术有限公司 | Air conditioning system, temperature and humidity adjusting method and hot-line work bucket arm vehicle applying same |
| CN111689443B (en) * | 2020-05-25 | 2022-01-14 | 广东立胜电力技术有限公司 | Air conditioning system, temperature and humidity adjusting method and hot-line work bucket arm vehicle applying same |
| CN114001139A (en) * | 2021-10-27 | 2022-02-01 | 江苏大学 | Mechanical-hydraulic compound transmission device comprising single-pump multi-motor system |
| CN114001139B (en) * | 2021-10-27 | 2024-04-09 | 江苏大学 | Machine-liquid compound transmission device comprising single-pump multi-motor system |
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