CN104986029A - Pure electric city bus hybrid power system using air power for start and braking - Google Patents
Pure electric city bus hybrid power system using air power for start and braking Download PDFInfo
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- CN104986029A CN104986029A CN201510453732.0A CN201510453732A CN104986029A CN 104986029 A CN104986029 A CN 104986029A CN 201510453732 A CN201510453732 A CN 201510453732A CN 104986029 A CN104986029 A CN 104986029A
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- pure electric
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- hydraulic motor
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- hybrid power
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles
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Abstract
The invention relates to a pure electric city bus hybrid power system using air power for start and braking. The pure electric city bus hybrid power system comprises a hydraulic motor coupling (6), a hydraulic motor (7), a combined type hydraulic valve (8), a high pressure accumulator (9), a hydraulic oil tank (10) and an air power system controller (11), which are installed on a pure electric city bus. The vehicle uses the air power or hybrid power for starting, so that the high-current discharge of batteries during start is reduced; during slow braking of the vehicle, the air power is used as the countertorque, and the kinetic energy of the vehicle is changed into compressed air (air power), so that the problem of high-current charging for the batteries during slow braking of the pure electric city bus is solved. Thus, the damage to the batteries is reduced, the endurance of the pure electric city bus is increased, the service life of the batteries is prolonged, the number of the batteries and the weight of the whole vehicle are reduced, and further the cost and the running energy consumption of finished vehicles are reduced. The pure electric city bus hybrid power system belongs to the field of energy-saving and new energy automobiles.
Description
Technical field
the present invention relates to the pure Electric Bus hybrid power system with aerodynamic force starting and braking, be arranged on pure Electric Bus.Aerodynamic force or hybrid power during vehicle start, reduce the heavy-current discharge of battery during starting.During vehicle retarder brake by aerodynamic force as counter torque, the kinetic energy of vehicle is become pressurized air (aerodynamic force) simultaneously, large current charge to battery when improving pure Electric Bus retarder brake, decrease cell damage, improve the continual mileage of pure Electric Bus, improve the service life of battery, decrease number of batteries and complete vehicle weight, reduce integral vehicle cost and operation energy consumption, belong to energy-conservation with new-energy automobile field.
Background technology
pure Electric Bus referenced patent application number: CN200810122689.X, discloses a kind of pure electric coach system, and this kind of current ubiquity of pure Electric Bus the problems such as continual mileage is short, battery life is short, battery price is high, complete vehicle weight is large.The major cause of the problems referred to above is caused to be that the physicochemical property of battery itself can't complete the operation operating mode adapting to pure Electric Bus.Electric current when pure Electric Bus normally runs is about 50A, and start to walk time discharge current be about 200-300A, braking time charging current be about 100-200A.Large current charge when heavy-current discharge during starting and braking causes the major cause that battery life is short, continual mileage is few.
Summary of the invention
the present invention relates to the pure Electric Bus hybrid power system with aerodynamic force starting and braking, be arranged on pure Electric Bus.Aerodynamic force or hybrid power during vehicle start, reduce the heavy-current discharge of battery during starting.During vehicle retarder brake by aerodynamic force as counter torque, the kinetic energy of vehicle is become pressurized air (aerodynamic force) simultaneously, large current charge to battery when improving pure Electric Bus retarder brake, decrease cell damage, improve the continual mileage of pure Electric Bus, improve the service life of battery, decrease number of batteries and complete vehicle weight, reduce integral vehicle cost and operation energy consumption.
the present invention is achieved through the following technical solutions.The present invention is by chassis back axle, universal joint shaft, electrical motor, motor power output shaft, motor controller forms, characterized by further comprising: HM Hydraulic Motor drive coupling, HM Hydraulic Motor, Combined hydraulic valve, high pressure accumulator, hydraulic reservoir, aerodynamic system controller, its connection mode is: one end of motor power output shaft is connected with chassis back axle by universal joint shaft, the other end of motor power output shaft is connected with HM Hydraulic Motor by HM Hydraulic Motor coupler, the oil outlet of HM Hydraulic Motor is connected with high pressure accumulator by Combined hydraulic valve, the oil inlet of HM Hydraulic Motor is connected with hydraulic reservoir by Combined hydraulic valve, aerodynamic system controller is connected with the electromagnetic valve coil on Combined hydraulic valve by control line, aerodynamic system controller is connected with motor controller by control line.
hM Hydraulic Motor coupler can be flange coupler, also can be universal joint shaft coupler or spline coupling, also can be that the input and output of gear case connect.
the operation pressure of high pressure accumulator, HM Hydraulic Motor, Combined hydraulic valve is 5-30MPa.
the present invention has substantial feature and marked improvement.The present invention relates to the pure Electric Bus hybrid power system with aerodynamic force starting and braking, be arranged on pure Electric Bus.Aerodynamic force or hybrid power during vehicle start, reduce the heavy-current discharge of battery during starting.During vehicle retarder brake by aerodynamic force as counter torque, the kinetic energy of vehicle is become pressurized air (aerodynamic force) simultaneously, large current charge to battery when improving pure Electric Bus retarder brake, decrease cell damage, the continual mileage that improve pure Electric Bus, the service life that improve battery, decrease number of batteries and complete vehicle weight, reduce integral vehicle cost and operation energy consumption.
Accompanying drawing explanation
fig. 1 is the structural representation of the pure Electric Bus hybrid power system started to walk by aerodynamic force and brake.
Detailed description of the invention
as shown in Figure 1, the present invention is by chassis back axle 1, universal joint shaft 2, electrical motor 3, motor power output shaft 4, composition such as motor controller 5 grade, characterized by further comprising: HM Hydraulic Motor drive coupling 6, HM Hydraulic Motor 7, Combined hydraulic valve 8, high pressure accumulator 9, hydraulic reservoir 10, aerodynamic system controller 11, its connection mode is: one end of motor power output shaft 4 is connected with chassis back axle 1 by universal joint shaft 2, the other end of motor power output shaft 4 is connected with HM Hydraulic Motor 7 by HM Hydraulic Motor coupler 6, the oil outlet 12 of HM Hydraulic Motor 7 is connected with high pressure accumulator 9 by Combined hydraulic valve 8, the oil inlet 13 of HM Hydraulic Motor 7 is connected with hydraulic reservoir 10 by Combined hydraulic valve 8, aerodynamic system controller 11 is connected with the electromagnetic valve coil on Combined hydraulic valve 8 by control line, aerodynamic system controller 11 is connected with motor controller 5 by control line.
hM Hydraulic Motor coupler 6 can be flange coupler, also can be universal joint shaft coupler or spline coupling, also can be that the input and output of gear case connect.
the operation pressure of high pressure accumulator 9, HM Hydraulic Motor, Combined hydraulic valve is 5-30MPa.
working process summary of the present invention is:
during vehicle start, after aerodynamic system controller 11 receives the starting signal that Das Gaspedal sends, by the box-like hydraulic valve 8 of control line control group, control the work of starting electromagnetic valve coil, hydraulic oil in high pressure accumulator 9 discharges under compressed-air actuated effect, flow in hydraulic reservoir 10, drives HM Hydraulic Motor 7 to rotate, drive HM Hydraulic Motor coupler 6, motor power output shaft 4, universal joint shaft 2 and chassis back axle 1 to rotate, drive vehicle start to travel.The driving of vehicle start can be completed alone by HM Hydraulic Motor 7.If send starting instruction to electrical motor 3 when HM Hydraulic Motor 7 drives starting simultaneously, then vehicle start can be completed jointly by HM Hydraulic Motor 7 and electrical motor 3, i.e. hybrid power starting.Fault offset in high pressure accumulator 9 is complete, and namely aerodynamic force starting terminates.
during car brakeing, after aerodynamic system controller 11 receives the speed-slackening signal that brake pedal sends, by the box-like hydraulic valve 8 of control line control group, control the work of accumulator valve electromagnetic valve coil, HM Hydraulic Motor 7 provides opposing torque by HM Hydraulic Motor coupler 6, motor power output shaft 4, universal joint shaft 2 to chassis back axle 1, causes vehicle slow and stop.While HM Hydraulic Motor 7 provides opposing torque, injection liquid force feed in high pressure accumulator 9, makes the air compressing in high pressure accumulator 9, storing energy, i.e. Brake energy recovery.When the energy storage of energy storage 9 reaches the upper limit or the speed of a motor vehicle is zero, accumulation of energy terminates.
Claims (5)
1. with the pure Electric Bus hybrid power system that aerodynamic force starts to walk and brakes, by chassis back axle (1), universal joint shaft (2), electrical motor (3), motor power output shaft (4), motor controller (5) forms, characterized by further comprising: HM Hydraulic Motor drive coupling (6), HM Hydraulic Motor (7), Combined hydraulic valve (8), high pressure accumulator (9), hydraulic reservoir (10), aerodynamic system controller (11), its connection mode is: one end of motor power output shaft (4) is connected with chassis back axle (1) by universal joint shaft (2), the other end of motor power output shaft (4) is connected with HM Hydraulic Motor (7) by HM Hydraulic Motor coupler (6), the oil outlet (12) of HM Hydraulic Motor (7) is connected with high pressure accumulator (9) by Combined hydraulic valve (8), the oil inlet (13) of HM Hydraulic Motor (7) is connected with hydraulic reservoir (10) by Combined hydraulic valve (8), aerodynamic system controller (11) is connected with the electromagnetic valve coil on Combined hydraulic valve (8) by control line, aerodynamic system controller (11) is connected with motor controller (5) by control line.
2. the pure Electric Bus hybrid power system of aerodynamic force starting according to claim 1 and braking, is characterized in that: HM Hydraulic Motor coupler (6) is flange coupler.
3. the pure Electric Bus hybrid power system of aerodynamic force starting according to claim 1 and braking, is characterized in that: HM Hydraulic Motor coupler (6) is universal joint shaft coupler.
4. the pure Electric Bus hybrid power system of aerodynamic force starting according to claim 1 and braking, is characterized in that: HM Hydraulic Motor coupler (6) is spline coupling.
5. the pure Electric Bus hybrid power system of aerodynamic force starting according to claim 1 and braking, is characterized in that: HM Hydraulic Motor coupler (6) is that the input and output of gear case connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510453732.0A CN104986029A (en) | 2015-07-29 | 2015-07-29 | Pure electric city bus hybrid power system using air power for start and braking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510453732.0A CN104986029A (en) | 2015-07-29 | 2015-07-29 | Pure electric city bus hybrid power system using air power for start and braking |
Publications (1)
| Publication Number | Publication Date |
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| CN104986029A true CN104986029A (en) | 2015-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510453732.0A Pending CN104986029A (en) | 2015-07-29 | 2015-07-29 | Pure electric city bus hybrid power system using air power for start and braking |
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Citations (13)
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| CN1911698A (en) * | 2006-08-17 | 2007-02-14 | 上海交大神舟汽车设计开发有限公司 | Hydraulic mixed power car |
| CN1927632A (en) * | 2006-05-23 | 2007-03-14 | 上海交大神舟汽车设计开发有限公司 | Hydraulic mixed power urban bus |
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| CN101301863A (en) * | 2008-06-19 | 2008-11-12 | 扬州金飞驰电动车有限公司 | Pure electric coach system |
| CN101332775A (en) * | 2008-08-06 | 2008-12-31 | 山东理工大学 | Hydraulic accumulation energy type autobus brake energy regeneration system |
| CN201296241Y (en) * | 2008-10-20 | 2009-08-26 | 南京工程学院 | Hydraulic energy braking and energy regeneration device for battery electric vehicle |
| WO2010066024A1 (en) * | 2008-12-09 | 2010-06-17 | Developpement Effenco Inc. | Braking energy recovery system for a vehicle and vehicle equipped with same |
| CN102069724A (en) * | 2010-12-18 | 2011-05-25 | 桂林客车工业集团有限公司 | Electric-hydraulic hybrid pure electric automobile |
| US20130239559A1 (en) * | 2012-03-14 | 2013-09-19 | Honda Motor Co., Ltd. | Hydraulic hybrid vehicle |
| US20140274522A1 (en) * | 2013-03-15 | 2014-09-18 | Stored Energy Solutions Inc. | Hydraulic hybrid system |
| CN104608611A (en) * | 2015-02-10 | 2015-05-13 | 上海神舟汽车节能环保海安有限公司 | Air energy hydraulic hybrid urban bus |
| CN204749842U (en) * | 2015-07-29 | 2015-11-11 | 上海神舟汽车节能环保有限公司 | Electricelectric with air force starting and braking moves city bus hybrid power system |
-
2015
- 2015-07-29 CN CN201510453732.0A patent/CN104986029A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2714363Y (en) * | 2004-05-24 | 2005-08-03 | 北京嘉捷源技术开发有限公司 | Rear driven mixed power vehicle with a diesel motor and a hydraulic system in parallel |
| CN1927632A (en) * | 2006-05-23 | 2007-03-14 | 上海交大神舟汽车设计开发有限公司 | Hydraulic mixed power urban bus |
| CN200942712Y (en) * | 2006-05-23 | 2007-09-05 | 上海交大神舟汽车设计开发有限公司 | Hydraulic hybrid power-driven urban bus |
| CN1911698A (en) * | 2006-08-17 | 2007-02-14 | 上海交大神舟汽车设计开发有限公司 | Hydraulic mixed power car |
| CN101301863A (en) * | 2008-06-19 | 2008-11-12 | 扬州金飞驰电动车有限公司 | Pure electric coach system |
| CN101332775A (en) * | 2008-08-06 | 2008-12-31 | 山东理工大学 | Hydraulic accumulation energy type autobus brake energy regeneration system |
| CN201296241Y (en) * | 2008-10-20 | 2009-08-26 | 南京工程学院 | Hydraulic energy braking and energy regeneration device for battery electric vehicle |
| WO2010066024A1 (en) * | 2008-12-09 | 2010-06-17 | Developpement Effenco Inc. | Braking energy recovery system for a vehicle and vehicle equipped with same |
| CN102069724A (en) * | 2010-12-18 | 2011-05-25 | 桂林客车工业集团有限公司 | Electric-hydraulic hybrid pure electric automobile |
| US20130239559A1 (en) * | 2012-03-14 | 2013-09-19 | Honda Motor Co., Ltd. | Hydraulic hybrid vehicle |
| US20140274522A1 (en) * | 2013-03-15 | 2014-09-18 | Stored Energy Solutions Inc. | Hydraulic hybrid system |
| CN104608611A (en) * | 2015-02-10 | 2015-05-13 | 上海神舟汽车节能环保海安有限公司 | Air energy hydraulic hybrid urban bus |
| CN204749842U (en) * | 2015-07-29 | 2015-11-11 | 上海神舟汽车节能环保有限公司 | Electricelectric with air force starting and braking moves city bus hybrid power system |
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Address after: 201104 Shanghai city Minhang District Chunshen Road 2328 Lane 3 Applicant after: Shanghai Shenzhou automobile energy saving and environmental protection Limited by Share Ltd Address before: 201104 Shanghai city Minhang District Chunshen Road 2328 Lane 3 Applicant before: Shanghai Shenzhou Automobile Energy-saving Environmental Protection Co., Ltd. |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151021 |
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| WD01 | Invention patent application deemed withdrawn after publication |