CN103552606B - A kind of medium-sized pure electric coach chassis - Google Patents
A kind of medium-sized pure electric coach chassis Download PDFInfo
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- CN103552606B CN103552606B CN201310498157.7A CN201310498157A CN103552606B CN 103552606 B CN103552606 B CN 103552606B CN 201310498157 A CN201310498157 A CN 201310498157A CN 103552606 B CN103552606 B CN 103552606B
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Abstract
The present invention relates to a kind of medium-sized pure electric coach chassis.The propons, the back axle that comprise chassis body, be located at first, second front-wheel in chassis body and first, second trailing wheel and be located in chassis body, described propons is arranged between first, second front-wheel, and described back axle is arranged between first, second trailing wheel.Chassis body is provided with electric power steering, power source system, drive system, control system and brake system.Electric power steering is positioned at chassis body leading portion, and power source system is positioned at chassis body stage casing, and drive system and control system are positioned at chassis body back segment, and brake system runs through and is distributed in whole chassis body.The present invention adopts electric energy as power resources, not only can ensure the passenger vehicle dynamic property of power system and safety in motion, can also realize zero-emission, energy-conserving and environment-protective.
Description
Technical field
The present invention relates to pure electric coach, be specifically related to a kind of medium-sized pure electric coach chassis.
Background technology
Along with the continuous deterioration of the day by day in short supply of global energy and natural environment, in order to reduce the pollution discharge capacity of city automobile, realize the development strategy of new-energy automobile, Development of EV is the current most important thing.The large-scale promotion application of electronlmobil not only can energy-saving and emission-reduction, improve the quality of life of people, or many countries solve the Important Action of energy security.In September, 2012, the central government starts " central state organs' New energy electric car for public affairs pilot pilot project ", and local government of provinces and cities also puts into effect relevant policies in succession.Governments at all levels are devoted to widely popularize pure electric automobile in public affair field, progressively improve new forms of energy car for public affairs and are equipped with usage ratio.
On market, existing officer's car is all adopt diesel oil or engine petrol as drive energy, the design also design arrangement for diesel oil or engine petrol on its chassis; The pure electronic officer's car of part is also convert on traditional vehicle basis, and public affair passenger vehicle is all generally medium bus, and electronic customizations design is not enough.And now from economy and environmental demands, diesel oil or engine petrol have not been suitable for development and the demand of future society, so the medium-sized pure electric coach chassis designing a kind of non-fuel oil driving has become the problem that a pole need solve.
Summary of the invention
The object of the present invention is to provide a kind of medium-sized pure electric coach chassis, this chassis adopts electric energy as power resources, not only can ensure the passenger vehicle dynamic property of power system and safety in motion, can also realize zero-emission, energy-conserving and environment-protective.
For achieving the above object, present invention employs following technical scheme: a kind of medium-sized pure electric coach chassis, the propons, the back axle that comprise chassis body, be located at first, second front-wheel in chassis body and first, second trailing wheel and be located in chassis body, described propons is arranged between first, second front-wheel, and described back axle is arranged between first, second trailing wheel.Described chassis body is provided with electric power steering, power source system, drive system, control system and brake system, described electric power steering is positioned at chassis body leading portion, described power source system is positioned at chassis body stage casing, described drive system and control system are positioned at chassis body back segment, and described brake system runs through and is distributed in whole chassis body.
The steering box that described electric power steering comprises electric powered steering pump and is connected with electric powered steering pump, described steering box is connected with propons by drag link; Described steering pump and steering box are all arranged on the leading portion of chassis body, and described steering pump is positioned on front side of the first front-wheel, and described steering box is positioned at the front side of the second front-wheel; The propulsion source of described electric power steering is battery.
Described power source system comprises low potential source, the first battery pack, the second battery pack and the 3rd battery pack, described low potential source and the first battery pack are positioned at the first front-wheel and the first trailing wheel homonymy, the second described battery pack, the 3rd battery pack are positioned at the second front-wheel and the second trailing wheel homonymy, and the first described battery pack is mutually concordant with the second battery pack position.
Described drive system comprises drive motor, electric machine controller, drop-gear box and transmission shaft; Described drive motor is longitudinally arranged in the middle of chassis body back segment, and is connected to back axle by drop-gear box, transmission shaft; The propulsion source of described drive system is battery.
Described control system is positioned at the top of the drive system be located in chassis body; Described control system comprises DC charging motor, high voltage power distributing cabinet, entire car controller, insulating monitor, General control box, always negative box, high-tension fuse and inflates and turns to one frequency converter; Described inflating turns to integrally frequency converter and electric machine controller to be positioned at the homonymy of the first front-wheel and the first trailing wheel.
Described brake system runs through and is distributed in whole chassis body; Described brake system is double-loop air brake system.Described brake system comprises electric inflation pump, air receiver, pipeline and multiple air valve, and described electric inflation pump is positioned at the homonymy of the second front-wheel and the second trailing wheel, and described electric inflation pump is provided with oil water separator and dryer.Double-loop air brake system makes the gas with certain pressure act on compressed air brake cylinder on bridge, produces braking effect.
Described chassis body is truss type frame.
Described chassis body is provided with cooling system, and described cooling system is positioned at back axle front end.
Described chassis body is provided with passenger door, and described passenger door is positioned at the first front-wheel and the first trailing wheel homonymy, and between described low potential source and the first battery pack, described passenger door is mutually concordant with the position of the 3rd battery pack.
The first described battery pack, the second battery pack, the 3rd battery pack are lithium cell, and described battery pack is provided with radiator and mounting guide rail.
The first described battery pack, the second battery pack, the 3rd battery pack are in series, and described battery pack and high voltage power distributing cabinet are in parallel.
Advantage of the present invention:
(1) the present invention carries out the rational deployment of electric power steering, power source system, drive system, brake system and control system on truss type frame, not only increases the safety performance of electrobus, and installs simple, easy to maintenance.
(2) electric power steering is arranged on chassis body leading portion by the present invention, and steering box is short to the transmission shaft of propons spindle arm, is conducive to chassis lightweight; Because the oil pipe pipeline connecting steering pump and steering box is short, the use amount of steering hydraulic transmission oil can be reduced, reduce maintenance cost.
(3) power source system that the present invention adopts is three groups of lithium cell groups, removing low potential source and passenger door, the remainder in chassis body stage casing is all used for placing dynamic lithium battery group, not only increase the capacity of battery, ensure that travelled distance, also improve space availability ratio, reduce vehicle's center of gravity, reduce the possibility of rollover, ensure that the safety of vehicle.In addition, because power source system is positioned at the stage casing of chassis body, improve the safety of colliding before and after passenger vehicle; And side skirt can also provide side to hit protection for vehicle.Power source system of the present invention comprises battery management system, can carry out real-time guard and monitoring to battery pack, effectively prevent the overvoltage of battery pack and monomer, under-voltage, cross put and overcharge.Battery pack is provided with radiator, the efficiently radiates heat of battery can be ensured, make stable operation in its preference temperature.
(4) what the present invention adopted is rear-axle drive mode, and drive motor is positioned at the back segment of passenger-carrying chassis body, and transmission shaft is short, is conducive to the light-weight design on chassis.High voltage power distributing cabinet and low potential source are placed in respectively back segment and the leading portion of passenger-carrying chassis body simultaneously, achieve high and low pressure and be separated.Drive system of the present invention is pure electric drive mode, but also has regenerative braking function.Not only achieve energy-conserving and environment-protective, also reduce the use cost of vehicle, the demand of economy design can be met.
(5) the double-loop air brake system of the present invention's employing, makes chassis when the out of reach requirement of system air pressure, can not start to walk, and ensures vehicle start traffic safety.
(6) cooling system that the present invention adopts is used for the water-cooling of drive motor and electric machine controller, can effectively prevent Yin Wendu too high and initiatively protection and the unexpected traffic accident that causes of the spontaneous combustion that causes or drive system; Cooling system also comprises the water-circulating pump can accelerating Water-cooling circulating.
(7) high-voltage electrical equipment that the present invention adopts all is equipped with multistage insulation system, and uses online Insulation monitoring and diagnosis; Ensure vehicle high-voltage insulation safety.
(8) control system of the present invention carries out integrated centralized decision-making, realizes vehicle performance complex optimum.Not only can judge driving intention, meet power demand when passenger vehicle runs, ensure dynamic property and the ride comfort of vehicle; And can also simultaneously and battery management system, electric machine controller and insulation tester carry out information interaction, real-time judge vehicle-state, ensure that vehicle active safety.
The present invention adopts electric energy as propulsion source, and carries out reasonable preferable layout to each system, can ensure dynamic property when medium-sized pure electric coach runs, economy, ride comfort and safety, and to environment, can not save the energy.
Accompanying drawing explanation
Fig. 1 is front view of the present invention;
Fig. 2 is birds-eye view of the present invention.
Wherein:
1, electric powered steering pump, 2, first front-wheel, 3, low potential source, 4, passenger door, 5, first battery pack, 6, first trailing wheel, 7, inflate and turn to all-in-one frequency converter, 8, electric machine controller, 9, insulating monitor, 10, total negative box, 11, chassis body, 12, steering box, 13, second front-wheel, 14, 3rd battery pack, 15, second battery pack, 16, cooling system, 17, second trailing wheel, 18, back axle, 19, drop-gear box, 20, electric inflation pump, 21, drive motor, 22, DC charging motor, 23, high voltage power distributing cabinet, 24, General control box, 25, high-tension fuse, 26, entire car controller, 27, propons, 28, control system.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention will be further described, and the front and back mentioned in the present invention are the front and back determined with the travel direction of passenger vehicle:
The medium-sized pure electric coach chassis of one as shown in Figure 1 and Figure 2, the propons 27, the back axle 18 that comprise chassis body 11, be located at the first front-wheel 2, second front-wheel 13 in chassis body 11 and the first trailing wheel 6, second trailing wheel 17 and be located in chassis body 11.Propons 27 is arranged between the first front-wheel 2, second front-wheel 13, and back axle 18 is arranged between the first trailing wheel 6, second trailing wheel 17.Chassis body 11 is provided with electric power steering, power source system, drive system and control system 28, electric power steering is positioned at chassis body 11 leading portion, power source system is positioned at chassis body 11 stage casing, and drive system and control system 28 are positioned at chassis body 11 back segment.Specifically, chassis body 11 is truss type frame.
Further, the steering box 12 that electric power steering comprises electric powered steering pump 1 and is connected with electric powered steering pump 1, steering box 12 is connected with propons 27 by drag link.Electric powered steering pump 1 and steering box 12 are all arranged on the leading portion of chassis body 11, and electric powered steering pump 1 is positioned at the front side of the first front-wheel 2, and steering box 12 is positioned at the front side of the second front-wheel 13.
Further, power source system comprises low potential source 3, first battery pack 5, second battery pack 15 and the 3rd battery pack 14.Low potential source 3 and the first battery pack 5 are positioned at the first front-wheel 2 and the first trailing wheel 6 homonymy.Second battery pack 15, the 3rd battery pack 14 are positioned at the second front-wheel 13 and the second trailing wheel 17 homonymy.First battery pack 5 is mutually concordant with the second battery pack 15 position.First battery pack 5, second battery pack 15, the 3rd battery pack 14 are lithium cell, and battery pack is provided with radiator and mounting guide rail, for heat radiation and the installation of battery pack.First battery pack 5, second battery pack 15, the 3rd battery pack 14 are in series, and battery pack and high voltage power distributing cabinet 23 are in parallel.Chassis body region between propons and back axle, removing low potential source and passenger door, remainder is all used for placing power battery pack, is the unique power resources in chassis.
Further, drive system comprises drive motor 21, electric machine controller 8, drop-gear box 19 and transmission shaft.Described drive motor 21 is longitudinally arranged in the middle of chassis body 11 back segment, and is connected to back axle 18 by drop-gear box 19, transmission shaft.The propulsion source of described drive system is battery.
Further, control system 28 is positioned at the top of the drive system be located in chassis body 11.Control system 28 comprises inflating and turns to one frequency converter 7, DC charging motor 22, high voltage power distributing cabinet 23, entire car controller 26, insulating monitor 9, General control box 24, total negative box 10 and high-tension fuse 25.Described inflating turns to integrally frequency converter 7 and electric machine controller 8 to be positioned at the homonymy of the first front-wheel 2 and the first trailing wheel 6.
Further, brake system runs through and is distributed in whole chassis body 11; Described brake system is double-loop air brake system.Brake system comprises electric inflation pump 20, air receiver, pipeline and multiple air valve.Electric inflation pump 20 is positioned at the homonymy of the second front-wheel 13 and the second trailing wheel 17, and described electric inflation pump 20 is provided with oil water separator and dryer.Double-loop air brake system makes the gas with certain pressure act on compressed air brake cylinder on bridge, produces braking effect.
Further, chassis body 11 is provided with cooling system 16, and cooling system 16 is positioned at back axle 18 front end; Cooling system comprises the water-circulating pump can accelerating Water-cooling circulating.
Further, chassis body 11 is provided with passenger door 4, and described passenger door 4 is positioned at the first front-wheel 2 and the first trailing wheel 6 homonymy, and between described low potential source 3 and the first battery pack 5, described passenger door 4 is mutually concordant with the position of the 3rd battery pack 14.
Above-described embodiment is only be described the preferred embodiment of the present invention; not scope of the present invention is limited; under not departing from the present invention and designing the prerequisite of spirit; the various distortion that those of ordinary skill in the art make technical scheme of the present invention and improvement, all should fall in protection domain that claims of the present invention determines.
Claims (7)
1. one kind medium-sized pure electric coach chassis, comprise chassis body (11), be located at the first front-wheel (2) in chassis body (11), second front-wheel (13) and the first trailing wheel (6), second trailing wheel (17) and the propons (27) be located in chassis body (11), back axle (18), described propons (27) is arranged on the first front-wheel (2), between second front-wheel (13), described back axle (18) is arranged on the first trailing wheel (6), between second trailing wheel (17), it is characterized in that: described chassis body (11) is provided with electric power steering, power source system, drive system, control system (28) and brake system, described electric power steering is positioned at chassis body (11) leading portion, described power source system is positioned at chassis body (11) stage casing, described drive system and control system (28) are positioned at chassis body (11) back segment, described brake system runs through and is distributed in whole chassis body (11),
The steering box (12) that described electric power steering comprises electric powered steering pump (1) and is connected with electric powered steering pump (1), described steering box (12) is connected with propons (27) by drag link; Described electric powered steering pump (1) and steering box (12) are all arranged on the leading portion of chassis body (11), and described electric powered steering pump (1) is positioned at the first front-wheel (2) front side, and described steering box (12) is positioned at the front side of the second front-wheel (13); The propulsion source of described electric power steering is battery;
Described power source system comprises low potential source (3), the first battery pack (5), the second battery pack (15) and the 3rd battery pack (14), described low potential source (3) and the first battery pack (5) are positioned at the first front-wheel (2) and the first trailing wheel (6) homonymy, described the second battery pack (15), the 3rd battery pack (14) are positioned at the second front-wheel (13) and the second trailing wheel (17) homonymy, and described the first battery pack (5) is mutually concordant with the second battery pack (15) position; Described battery pack is provided with radiator and mounting guide rail;
Described drive system comprises drive motor (21), electric machine controller (8), drop-gear box (19) and transmission shaft; Described drive motor (21) is longitudinally arranged in the middle of chassis body (11) back segment, and is connected to back axle (18) by drop-gear box (19), transmission shaft; The propulsion source of described drive system is battery.
2. the medium-sized pure electric coach chassis of one according to claim 1, is characterized in that: described control system (28) is positioned at the top of the drive system be located in chassis body (11); Described control system (28) comprises DC charging motor (22), high voltage power distributing cabinet (23), entire car controller (26), insulating monitor (9), General control box (24), always negative box (10), high-tension fuse (25) and inflates and turns to integrally frequency converter (7); Described inflating turns to integrally frequency converter (7) and electric machine controller (8) to be positioned at the homonymy of the first front-wheel (2) and the first trailing wheel (6).
3. the medium-sized pure electric coach chassis of one according to claim 1, is characterized in that: described brake system runs through and is distributed in whole chassis body (11); Described brake system is double-loop air brake system.
4. the medium-sized pure electric coach chassis of one according to claim 1, is characterized in that: described chassis body (11) is truss type frame.
5. the medium-sized pure electric coach chassis of one according to claim 1, is characterized in that: described chassis body (11) is provided with cooling system (16), and described cooling system (16) is positioned at back axle (18) front end.
6. the medium-sized pure electric coach chassis of one according to claim 1, it is characterized in that: described chassis body (11) is provided with passenger door (4), described passenger door (4) is positioned at the first front-wheel (2) and the first trailing wheel (6) homonymy, and being positioned between described low potential source (3) and the first battery pack (5), described passenger door (4) is mutually concordant with the position of the 3rd battery pack (14).
7. the medium-sized pure electric coach chassis of one according to claim 3, it is characterized in that: described brake system comprises electric inflation pump (20), air receiver, pipeline and air valve, described electric inflation pump (20) is positioned at the homonymy of the second front-wheel (13) and the second trailing wheel (17), and described electric inflation pump (20) is provided with oil water separator and dryer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310498157.7A CN103552606B (en) | 2013-10-22 | 2013-10-22 | A kind of medium-sized pure electric coach chassis |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310498157.7A CN103552606B (en) | 2013-10-22 | 2013-10-22 | A kind of medium-sized pure electric coach chassis |
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| Publication Number | Publication Date |
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| CN103552606A CN103552606A (en) | 2014-02-05 |
| CN103552606B true CN103552606B (en) | 2016-03-23 |
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| CN201310498157.7A Active CN103552606B (en) | 2013-10-22 | 2013-10-22 | A kind of medium-sized pure electric coach chassis |
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| CN104129264A (en) * | 2014-08-08 | 2014-11-05 | 成都旭腾蓝驱科技有限公司 | Electric bus with escape door |
| CN104691295A (en) * | 2015-02-13 | 2015-06-10 | 金龙联合汽车工业（苏州）有限公司 | Direct connection driving purely electric medium bus |
| CN104816618A (en) * | 2015-04-09 | 2015-08-05 | 安徽广通汽车制造股份有限公司 | Electric car chassis with lithium battery |
| CN104859717B (en) * | 2015-04-13 | 2017-07-11 | 中航爱维客汽车有限公司 | Electric light bus body frame structure for automotive and electric light bus |
| CN104859718B (en) * | 2015-04-13 | 2017-04-26 | 西安西沃客车有限公司 | Light electric motor coach power battery device and light electric motor coach |
| CN105128938A (en) * | 2015-09-08 | 2015-12-09 | 上海瑞华(集团)有限公司 | Chassis system device of pure electric bus |
| CN105128689A (en) * | 2015-09-08 | 2015-12-09 | 上海瑞华(集团)有限公司 | Chassis system for pure electric truck/minibus |
| CN105818660A (en) * | 2016-03-28 | 2016-08-03 | 武汉英康汇通电气有限公司 | Structure arrangement of pure electric light bus |
| CN106275084B (en) * | 2016-11-18 | 2018-07-24 | 广州电力机车有限公司 | A kind of sanitation cart body frame structure for automotive |
| CN107826164B (en) * | 2017-11-01 | 2023-11-10 | 中国北方车辆研究所 | Multi-wheel steering system based on electric assistance and control method |
| CN110329352B (en) * | 2019-08-11 | 2021-11-23 | 柳州市孚桂智能科技有限公司 | Chassis arrangement for an electric vehicle and method for operating a chassis arrangement |
| DE102020103150A1 (en) * | 2020-02-07 | 2021-08-12 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Electromechanical dual-circuit steering for a commercial vehicle |
| CN112208631A (en) * | 2020-10-22 | 2021-01-12 | 北京航天发射技术研究所 | Electro-hydraulic steering system with double oil sources |
| CN112319616A (en) * | 2020-11-30 | 2021-02-05 | 华侨大学 | Pure [ electric ] motor coach chassis |
| CN112874282A (en) * | 2021-02-08 | 2021-06-01 | 湖南行必达网联科技有限公司 | Chassis structure and electric tractor |
| CN114572310A (en) * | 2022-03-24 | 2022-06-03 | 安徽安凯汽车股份有限公司 | Large-scale passenger train retarber installation mechanism |
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