The old American who always likes large displacement can't help but technically “converge with Japanese cars.†Changan Ford Mondeo's plug-in hybrid model, Changan Ford Mondeo Energi, although it is not listed yet, it is understood that It actually uses a technology similar to the Toyota Prius!
First of all, it uses a single planetary gear set E-CVT, series-parallel hybrid plug-in hybrid technology.
This model is not very new, it is similar to the Toyota Prius hybrid connection, the structure is simple and exquisite, the cost is not high. As for why Ford will use the transmission connection of a single planetary gear set, because the single planetary gear set can achieve the constant meshing state, even if only one of the power output, it does not need to use the clutch to engage, and thus The total power achievement will not have the frustration brought by the clutch engagement, and it also has an advantage in NVH performance. However, the constant meshing mechanism also has one aspect that is inferior to the clutch, that is, there is still a certain possible power loss in theory, unlike the clutch, which can achieve a completely disconnected state.
Like the Atkinson Cycle engine on many hybrid models, the car also uses a means of delaying the closing of the intake valve to achieve the Miller cycle and improve thermal efficiency. The engine block is made of cast aluminum and is manifolded. As for whether the hybrid powertrain will be developed on the turbocharged direct injection engine in the future and will be popularized on the joint venture model, the official said that "if the market has demand, they will do it."
In addition, because the engine adopts the delayed closing valve technology, in terms of power output performance, it needs to balance the economy more. First, it must ensure that the fuel consumption on the internal combustion engine level cannot be too high, and then cooperate with the motor output and braking kinetic energy. Recycling system to achieve sufficient comprehensive performance and economical.
The Changan Ford version of Mondeo Energi can achieve a cruising range of 52km under pure electric conditions. This data is derived from the usage habits of Chinese consumers: most Chinese consumers who buy plug-in hybrids, their urban pure electric The travel range is less than 50km, so on the pure electric cruising range, the 52km calibration is more suitable for users. Compared with Chinese consumers, American consumers have more intensive charging piles and more long-distance driving opportunities (that is, more engine intervention conditions), coupled with the need to balance the weight of the engine work, so A lower capacity battery is used. As for the charging time of the Changan Ford version of the Mondeo Energi, the official claims that it takes 2.5 hours to fully charge in the 220V power environment.
Not only is it more suitable for the hybrid system in terms of structure, but in the service life, since there is no steel belt to transmit power, after the use for many years, the gearbox does not have the problem of the transmission efficiency degradation caused by the "strip slip".
From a technical point of view, Changan Ford Mondeo Energi can be seen as a relatively pragmatic new energy vehicle that can be quickly put into operation in China. In addition, Ford also plans to cooperate with Zotye in the future to introduce more new energy vehicles to cope with the future “double points†policy. So from a strategic point of view, this car can be seen as an important model for Changan Ford to deal with the new policy next year. From Ford's point of view, if the "Zhongtai Ford New Energy Vehicles" cannot be put into production in time next year, they will still Have this to deal with the new policy.
In addition to Mondeo, what progress will Ford have in terms of technology in the future?
First of all, let's talk about two technologies that will be popularized on the Ford model in the future: economic cruise mode and automatic EV switching strategy. From a technical point of view, these two points are also not complicated, and they will be mass-produced and popularized into Ford models.
In addition to the above two simple and practical techniques, Ford's chief engineer of new energy also explained his views on the 48V power system. They believe that although the power supply of the 48V power supply system is higher than the current 12V, for the hybrid power system, it is still "not enough" to drive the motor by 48V voltage, and if you want the 48V micro-hybrid system to reach Considerable fuel-saving effect, it will inevitably increase a lot of costs, and the price of vehicles will also increase. But this is not to say that the 48V power system is completely useless. This system has great advantages in dealing with active suspension control (such as active anti-roll bar) and electric turbine, and if the cost of the future 48V light-mixing system can be large The decline in the amount, the small money to get better fuel consumption, they are also happy to use a 48V power system to do a hybrid powertrain, as long as consumers like it.
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