The battery is mainly used to provide electric energy for the starting machine and the car lights and all the equipment that has the demand for electricity. But the battery belongs to one of the most consumable products. In general, the battery on the heavy trucks or hybrid cars can be used for about 3 years. Of course, this is a long-term operation of the vehicle, and the battery can be supplemented by electric energy in the operation of the engine.
First of all, batteries have a common standard, that is 12V voltage, this standard from the 1950s established, now on the market of small cars or light trucks are basically the use of 12V battery for vehicle power, and our heavy truck's high power diesel engine, at the start of the need for higher motor power, so the engineer will be 2 12V batteries in series, up to 24V voltage standard for the use of vehicles.
The truck uses 24V power supply composed of double 12V battery, on the one hand, it improves the endurance of power supply. At night, the lighting demand of the truck is large, and the large capacity of 24V power supply can support the daily power supply of lights while the vehicle charging supply can keep up. On the other hand, when the vehicle starts, the output current of the 24V battery is smaller, which is less damaging to the battery, and requires less wire and higher safety.
Battery life in hybrid and heavy-duty vehicles is a gradual decline. When driving, you should try to avoid not opening for a long time, to avoid overheating of the battery, to avoid frequent high load operation.
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Commercial vehicles are not the protagonists at the 15th Shanghai International Auto Show. However, the products they display have concentrated on the future development trend of commercial vehicles. After combing by the reporters, they can be summarized into five major highlights, namely, safer, more stylish, and more intelligent. , More energy-saving, more environmentally friendly.
safer
Since the 2012 version of "Technical Conditions for Safe Operation of Motor Vehicles", that is, the issuance of GB7258-2012, the safety requirements of commercial vehicles have been significantly improved in the market and regulations. The commercial vehicle booth at the 15th Shanghai International Auto Show unveiled on April 20th will also focus on the achievements in this area. Dongfeng's new-generation heavy-duty D760 is equipped with a dCi11 series engine and Dongfeng Cummins ISZ series 13-litre fully electronically-controlled diesel engine, with a power range of 400-545 hp, targeting a heavy-duty high-end truck market of over 40 tons, representing the Dongfeng commercial vehicle. The highest technical level. The car not only installed the ZF-ASTronic automatic transmission, but also attached great importance to safety. Safety devices such as hydraulic retarders and disc brakes were installed.
The Futian Meng Parker S-Class model that resembles the view of the Toyota Sea Lions will be officially listed at the Shanghai Auto Show. The car is equipped with front airbags to enhance safety.
Big Dragon's new light passengers will also make their appearance at the auto show. The car refers to certain design concepts of the Mercedes-Benz light passenger car, but it pays more attention to safety than the Mercedes-Benz, and it has added bumper pads to the rear door and the rear of the car body to enhance the passiveness of the vehicle. safety.
Jianghuai new generation of handsome bell light truck also came to the Shanghai auto show. Its new cab is the first domestic light truck product to pass the vehicle safety test. Its application of leading and passive safety design and configuration, high-strength steel body frame and reinforced floor structure construction, can form a "safety space" when impacted. To protect the safety of drivers. The advanced buffer device uses energy absorbing bumpers to effectively absorb collision energy and minimize the impact of collision on the human body. Exhaust-assisted braking, ABS anti-lock braking system and other active safety configuration can provide continuous and stable braking force to ensure the safety of vehicle braking. In terms of comfort, the new generation of Suzuki will be equipped with a clutch vacuum booster for the first time on the domestic light truck, reducing the clutch pedal operation force, and the driver will feel the general lightness and comfort of the sedan-clutch pedal; in addition, the car-integrated one-piece instrument High-end configurations such as Taiwan, imported air-conditioning key accessories, engines and vehicle noise reduction will all bring light-car users a car-like driving experience.
More fashionable
More spacious interior space is increasingly becoming the goal pursued by commercial vehicle companies. The length and width height of the Beiqi Foton México S-Class commercial vehicle is 5380/1920/2285mm, and the wheelbase is 3110mm. It is larger than the Toyota Sea Lion in the width of the car body, and the interior space is more spacious. The Dongfeng D760 cab is comparable in size to the mainstream flat-floor trucks in Europe, which provides new options for customers of road long-distance transport vehicles, or will become a new benchmark for the domestic heavy-duty cab space. German Man will bring three products to the Shanghai Auto Show, including a German TGS 18.44004×2 large-scale transporter with a trailer length of more than 17 meters. It is reported that TGS18.400 adopts German Man LX cab, equipped with multi-function steering wheel, steering wheel height and angle adjustable, which may lead the popular trend of heavy truck cab after Shanghai Auto Show.
Commercial vehicle companies are struggling with the front face design that best reflects the new car's fashion. Xiamen Golden Dragon focuses on the front face of its new light passengers. More full square front engine compartment nose wings, more atmospheric grille air intake grille, more solid front bumper, round fog lights, and so on, have added a stylish element to this car. The headlight incorporates the daytime running light configuration of the LED and is upgraded to a lens-type low-beam light group with a better focusing effect. There is still a ventilation grille on the hood, and the exterior mirrors are similar in style to Linear Technology, with the addition of a side turn signal. In addition to the front face, the outline of the car body, including anti-rubbing strips and waistlines, is detailed. The right side of the car body has a side sliding door design, which is more in line with domestic commercial vehicle habits. There are retractable pedals under the sliding door. Sliding door rails are hidden under the window glass. All rear window glass is a closed design. Overall, this light passenger is dynamic and beautiful.
More intelligent
Since the emergence of car networking systems such as Shaanxi Auto "Tianxingjian" and Suzhou Jinlong G-bos and leading the trend of intelligent driving and intelligent operation of commercial vehicles, "more wisdom" has become one of the goals pursued by commercial vehicle companies. Futian Meng Parker S-Class Deluxe Edition models comply with this trend, equipped with GPS navigation, USB interface.
The concept car displayed by SAIC Datong places great emphasis on intelligent deployment. Internet terminals such as LED computers and smart phones are integrated into the vehicle body to provide mobile and working conditions for occupants in the vehicle. SAIC Chase has been able to obtain Australia's ADR certification, EU ECE certification, Gulf GSO GSO certification and other stringent international standards certification, and its advanced electronic configuration is not unrelated.
The new Volvo FM truck that will appear at the Shanghai Auto Show will use a dynamic steering system. The system is mounted between the steering gear and the steering shaft. The core of the system is a program-controlled electric motor. When the sensor detects a control variable, such as the direction, speed, etc., that affect the steering, the required steering assistance is calculated from the corresponding electronic control unit, and the electric servo engine provides additional torque steering. The system can reduce the driver's work intensity when the vehicle is at a lower speed, such as reversing the vehicle, and the system can improve the directional stability at high speeds. The new Volvo FM truck also introduced the I-See system, which can reduce diesel consumption by up to 5%. Volvo FM trucks also installed a new smart phone application "Mytruck", which enables drivers to view trucks on their mobile phones to learn about current vehicle fuel levels and battery status. If the vehicle is illegally invaded, the owner will be informed via the mobile phone.
More energy saving
Energy conservation and consumption reduction have become the focus of commercial vehicle development in the future. SAIC's most advanced energy-saving powertrain system and applications for the next 10 years will be reflected in a concept vehicle announced at this year's auto show. In SAIC Datong's future product design, the engine's power will be increased through the efficient use of fuel, and the maximum efficiency per unit of energy will be achieved, such as the adoption of advanced technologies such as direct injection technology in cylinders. At the same time, emissions have reached the most stringent Euro VI standards. This concept car adopts new material technologies, such as polymer material nanotechnology, high rigidity material technology, and high-tech composite material technology, which greatly increase the energy-saving level.
At this auto show, Scania will exhibit the renowned Scania Touring bus in Europe for the first time in China and will start sales of the car in China. Scania Touring Bus Co., Ltd. is a cooperative production of Scania and Haeger Bus. According to reports, Scania provides chassis and vehicle design. Hager Bus is responsible for top-loading and manufacturing. This car will have better energy efficiency than its competitors. Level. The new Scania 13-liter engine will also be exhibited at home for the first time. The engine is based on Scania's next-generation engine platform and uses the latest Selective Catalytic Reduction (SCR) after-treatment system. It meets increasingly stringent emission standards while also achieving fuel-efficient performance, power performance and driving control performance. Harmony. The new generation of handsome light trucks are equipped with 4DA1, Cummins, Maisfu three brands of engines, covering 2.8L ~ 4.8L, light truck full power segment power. Due to the integrated design of the new model for power and transmission systems, the three main assemblies of the engine, transmission and rear axle are scientifically matched, the power transmission efficiency is higher, and the kinetic energy loss is smaller, so that the fuel consumption of the new generation Shuai Ling is excellent. 70 km At no-load, the fuel consumption is only 7 to 8 liters per hour, and the full-load fuel consumption is less than 10 liters.
More environmentally friendly
Closely related to energy conservation is the emphasis on the environmental performance of commercial vehicles. With the increase of haze in northern China, the community has begun to pay attention to the impact of commercial vehicle exhaust emissions on air quality. Under this background, commercial vehicle environmental protection has become the current Shanghai. The auto show can't avoid the topic. (Please verify the information, it is said that Volvo will not exhibit) The new Volvo FM truck can provide two kinds of engine displacement for consumers to choose, both engines have reached the Euro VI emission standards. The two engines are D11 and D13 respectively. Which D11 engine output power of 330 to 450 horsepower, and D13 is 420 to 500 horsepower.
In recent years, China has invested heavily in environmental protection and has had a huge impact on the automotive industry. In this auto show, SAIC Iveco Hongyan responded to the call of the country and started from environmental protection, bringing with it an environmentally friendly vehicle that meets the national emission standards and has potential for development. In particular, the Jieshi C100 wagon detachable sanitation vehicle has been developed specifically for the environment transportation sector and complies with the national IV emission standard. The car is ahead of the international vehicle manufacturing standards. It is safe, efficient, energy-saving and environmentally friendly. It has now been put into operation in the municipal sanitation transportation sector and has received general approval from the environmental protection department.
Dongfeng Heavy Truck D760 and other exhibitors also installed advanced ion air purifiers and other devices, which will promote the environmental protection and driving environment of commercial vehicles to a new height.