huanghai buses-欧洲杯决赛预测

dd6851ev4 electric city bus
8540×2430×3070/3170 appearance (mm)
82/78 rated seats
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modeling features
the coach adopts a highly recognizable european style large curved surface, small fillet overall shape and flexible appearance of medium-sized vehicle.
the front wall consists of three parts that can be opened separately, making regular inspection and maintenance easy.
full load-bearing structure. unique lightweight body frame is made of the box-shaped pipes of high-strength steel .
separate-compartment design
the three main compartments, the passenger’s compartment, battery compartment and control compartment, are separated from each other. in case of accident, the toxic gas and flame won’t flow into the passenger’s compartment, safeguarding the passengers in a significant way.
according to relevant experiments, in the case of the new energy bus accidents where the batteries are on fire, the toxic gas from the burning batteries often cause more serious harms to the passengers than the accidents themselves. therefore, our separate-compartment design (patent) can minimize the harm to the passengers in case of accidents.
battery compartment layout
easy for install, removal and maintenance of the batteries.:
all power batteries are packed in five unified standard battery boxes, and connectors and inspection pots to batteries are arranged on two side walls, making maintenance and replacement of the batteries much more convenient. the centralized arrangement of batteries saves much space for chassis parts and makes the repair and maintenance of the chassis parts easier.
high anti-collision and waterproof performance:
the bottom surface of the battery is about 1500mm above the ground, and the anti-collision frame beam is installed near the rear wall side, which can greatly prevent the damage to the battery from the rear collision. the electric steering system, batteries, motor and various controllers are all highly dust and water-proof. the excellent dust and water-proof performance ensures the bus a strong wading ability and high safety under extreme conditions.
table and sound battery performance :
with unified environment, battery box temperatures and unique thermal management system of the battery compartment, the batteries can work at the best temperature and deliver more stable performance and longer service life.
battery pack:lithium iron phosphate (lifepo) battery / catl
battery capacity:92.9 kwh ( 528v 176ah )
battery capacity:driving range under test condition (uniform velocity method) ≥250km
control compartment: dd6851ev4 pure electric coach adopts dual power supply (high-voltage & low-voltage) electric power steering system. with this system, in case of high voltage power failure or unexpected emergency stop, the coach can still be driven by the power steering pump with 24 v power supply to be stopped at the side of the road, so as to prevent the accident caused by steering failure. this technology has been widely adopted and recognized in the market.
driving system: the coach adopts the powertrain of direct-drive electric motors (103kw) developed by jing-jin electric technologies co., ltd., which not only gives the coach strong climbing capacity with low speed but also makes the high-speed running possible, making the coach more adaptable.
interior space: long wheelbase and short front & rear overhang structure of the dd6851ev4 coach give the coach a larger interior space, stronger loading capacity and better riding experience.
in-vehicle air: there is no power battery installed on the top of dd6851ev4 coach. therefore, two safety skylights with ventilators can be set in the air-conditioned model to ensure the smooth circulation of the air inside the coach when the side windows are closed and the air conditioner is on, creating you a healthier and more comfortable riding environment.
specification
dimension(mm) 8540×2430×3070/3170
wheelbase(mm) 4000
wheel track(mm) 2085/1820
approach/departure angle(°) 7/7
rated seats 82/78
max. speed (km/h) 69
power batteries lithium iron phosphate (lifepo) battery / catl
battery capacity 92.9kwh(528v 176ah)
drive motor model jing-jintz460xse01
suspension system leaf spring
g.v.w.(kg) 13500
curb weight (kg) 8100/8400
tire 255/70r22.5
normal rated power(kw/r/min) 103
bulletin seats 16-30
maximum torque(n.m/r/min) 2100
optional equipment air conditioner, independent water-heating system, onboard electronic equipment
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