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Smart electric trailer system for semi truck or heavy truck including drive system & load-bearing system & transmission system

Smart electric trailer system for semi truck or heavy truck including drive system & load-bearing system & transmission system

Smart drive trailer: based on the distributed drive system (including drive system + load-bearing system + transmission system), with a specific VCU for smart drive trailers as the execution. The brain carries out electric and intelligent transformation of traditional trailers from the dimensions of safety, reliability, economy and other aspects.

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Smart drive trailer: based on the distributed drive system (including drive system + load-bearing system + transmission system), with a specific VCU for smart drive trailers as the execution. The brain carries out electric and intelligent transformation of traditional trailers from the dimensions of safety, reliability, economy and other aspects.

Product Description
electric trailer
What is Smart Electric Trailer?
Traditional trailers don’t have any power source on it. Smart electric trailers adopt electric power train and smart control technology including electric axle, battery, TCU (Trailer Control Unit) to transform traditional trailer to smart and electric one. The goal of application of smart electric trailer is to save energy and reduce emission.
Smart electric trailer system
Functions of Smart Electric Trailer
Power supplement: Auxiliary power for acceleration, climbing, etc. Slow down function: Replaces retarder and can recover energy Smart recycling: Electric braking and traditional braking are fully decoupled Power mode:Optimal power and torque adaptation control
Core Technology
Smart trailer
Core Technology-Adaptive Strategy
-Adaptive Strategy Adaptive with different types of tractor: Fuel, Electric, Hydrogen fuel etc. Scenario Self-sensing: Road condition, vehicle condition, driving intention Adaptive scenario algorithm: Power supplement / Slow Down Function / Smart Recycling / Power Mode
electric trailer
Core Technology-Distributed Drive
-Distributed Drive with Electric Axle Wheel-side electric motor and DCU (invertor) Strong Power Output EMB (Electronics Mechanic Brake) Optional
Project
Parameter
axle load (kg)
13000/16000
output torque (N.m)
2×25000
Max output power (kW)
2×180
Maximum continuous wheel speed (rpm)
≥430
Max wheel speed (rpm)
610
ratio 1
49.4
ratio 2
15.3
tire size
12R22.5
brake
Air pressure disc/drum brake/EMB
Axle weight(kg)
<950
IP
IP68
motor type
2×Permanent magnet synchronous motor PMSM
Rated voltage (VDC)
400-750
Our Advantages
Smart electric trailer system
Smart trailer
Significant weight reduction
Compared with the central drive, the system weight is reduced by 787kg, a reduction of 23.6%; compared with the motor-gearbox integrated bridge, it is reduced by 798kg, a reduction of 23.9%.
electric trailer

drive solution

The traditional mid-drive rear axle adopts a helical bevel gear structure. The forward and reverse tooth surfaces have inconsistent torque transmission capabilities, The reverse torque transmission capability is low, also the feedback braking capability of the motor cannot be fully utilized.
The distributed drive adopts parallel shaft cylindrical gear transmission. The forward and reverse gears are exactly the same, which can withstand 100% reverse torque and make full use of the feedback braking ability of the motor.
Smart electric trailer system

Stronger feedback capability and improved braking performance

Large feedback torque, brings more stability to the vehicle and shorter braking performances
Smart trailer
With proactive security strategies, and some natural advantages
Equipped with EASR drive wheel slip, ESC body stabilization system, and electronic differential lock, there are no configurations. The anti-slip and escape performance on rainy and snowy roads is significantly improved through strategic control of the wheel motor electronic differential system, The vehicle is equipped with EASR/ESC safety configuration to improve the vehicle's passability, handling stability and safety.
electric trailer
Distributed drive greatly improves active safety, has stronger power, saves energy consumption, and lowers vehicle costs.
Adaptability: It can be customized and developed according to the train power and mileage, and can be flexibly grouped;
Adaptive control algorithm can adapt to any energy source, including traditional fuel engines, pure electrics, hydrogen fuel cells, etc.
Environmental friendly: The intelligent drive trailer system provides electric driving force and makes full use of the engine's high-efficiency zone and energy recovery during deceleration, which can effectively reduce the carbon emissions of traditional fuel vehicles;Active safety: Distributed active control can realize electronic drive anti-skid (EASR) and body stability control (IESS) to improve trailer stability and avoid trailer drift;
Optional EMB provides faster braking response and is deeply decoupled from air brakes, further improving vehicle safety and economy;Energy saving: It can increase the operating speed and improve operating efficiency; the road adhesion utilization rate is greatly improved, and tire wear is reduced.
Application Scenario
Smart electric trailer system
Case 1: Chongqing Smart drive Trailer Chassis Layout
The hybrid model (fuel tractor + samrt drive trailer) has a total vehicle power of 141kWh (105kWh). It is suitable for complex working conditions such as mountainous areas in Yunnan, Guizhou, Sichuan, hilly terrain, mining areas and factories. Noticed that the fuel saving rate is above 20%.
Smart trailer
Case 2: Inner Mongolia Smart Drive Trailer Chassis Layout

Long-mileage smart drive trailer with power capacity of 472kWh (200~500kWh). Suitable for long-distance trunk logistics, mileage >500km. Suitable for long-distance trunk logistics, mileage >500km.

Certifications
electric trailer
Packing & Delivery
Smart electric trailer system
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