Are you just mixing to save fuel?

For most people, hybrid models are inherently fuel-efficient, expensive, environmentally friendly, and suitable for urban road conditions.

However, this is the impression that the first generation of hybrid models represented by Toyota has brought us. It must be said that the two characteristics of fuel economy and environmental protection are indeed the hybrid technology that has been applied in automobiles. The core goal.

However, with the advancement of technology, the price of hybrid models has become a little more approachable; more importantly, with the diversification of hybrid technology, hybrid technology is no longer willing to stick to the traffic conditions of urban traffic. Specialties, and found some new uses between some tracks and rivers and rivers.

I got the hall and got the "hall" of the kitchen.

When it comes to the hybrid technology in the track, how to help the traditional fuel engine to achieve a stronger power output, and more fuel-efficient, we must be familiar.

For example, the KERS system (kinetic energy recovery system) introduced in the F1 event in 2009 is the ultimate application of hybrid technology on the track.

The system consists of a continuously variable transmission system connected to the vehicle drive shaft and a number of clutches and motors that store the energy of the brakes through the generator in a high-speed rotating flywheel and then rotate the flywheel when necessary. The energy is converted into electrical energy and then released to the vehicle's drive shaft by the electric motor to improve the car's energy utilization.

On the other hand, the civilian car level also has a hybrid system for sports research and development. If these technologies are applied to the track, the small displacement engine will not be lost to the traditional large displacement engine.

For example, the BMW 530Le, which was tested before the car cloud, puts a motor in the ZF8-speed automatic transmission, after only carrying a 2.0L displacement and outputting a 218-horsepower in-line four-cylinder turbocharged engine. A luxury car with a weight of more than 1.7 tons can complete 100 kilometers of acceleration in just 7 seconds. If the driver's technology is enough, the seamless drift of this hybrid BMW 5 series is also hand-in-hand, and does not feel at all. Small horse drawn cart.

The performance of such a movement is also related to the design of the hybrid system – the built-in motor in the gearbox is equivalent to an additional power pack between the conventional fuel engine and the PTO shaft.

This is like the electrical principle we learned when we were young. The two batteries are “connected in series”, and the obtained battery voltage is the sum of the voltages of the two batteries. The “combined” voltage is like the power of the 530Le. The output is the same, after the fuel engine and the motor are "in series", the overall system's power performance has been greatly improved.

In fact, through the BMW 530Le, we can realize that the traditional concept of the motor as a “substitute” for the fuel engine in the hybrid system is outdated, and the current hybrid system is working to develop the unique advantage of the motor and begin to replace it. Short board for fuel engines.

For example, when the 530Le's fuel engine is not started, it can achieve its own 61 km of pure electric cruising range with the battery pack and the motor, and the maximum speed under pure electric conditions is also 140 km/h.

However, the 530Le's hybrid system is not without drawbacks. Due to the structural design, it is not efficient in energy recovery compared with the power split hybrid system used by Toyota. Fish and bear's paw can't have the same reason).

For example, if 530Le wants to charge the car battery pack from zero to full, it needs to travel about 50 kilometers. In this process, the engine of this car needs not only to provide the power required for the vehicle to travel, but also to charge the battery extra, so Its fuel consumption is definitely higher than the average car.

This also means that if the BMW 530Le wants to achieve high fuel economy performance under urban conditions, the battery should be fully charged as much as possible before the vehicle departs.

I got the hall and got the "cross-country" of the kitchen.

As a classic off-road vehicle manufacturer, Land Rover is also in line with the development of the times, launched the first hybrid product - Range Rover Sport P400e, and proved the diversity of hybrid technology, can achieve the premise of high fuel economy Sex, while going down the mountain, the river is omnipotent.

Different from the design of the motor in the BMW 530Le hybrid structure, as a hybrid model that must consider the off-road capability, the hybrid structure must be designed in consideration of the layout characteristics of the off-road vehicle transmission system.

In the Land Rover P400e hybrid system, the motor and the gearbox are discharged together, and then a number of clutches are used to realize the design of the power output of the two, combined or independently delivered to the transfer case.

This is like the “parallel connection” of the batteries used in the previous two sections in series, which realizes the effect of adding a torque multiplier to the conventional power without changing the structure of the traditional off-road vehicle transmission system. And this design also facilitates the independent operation of the motor or working with the traditional fuel engine, which directly improves the balance of the P400e in the face of various road conditions.

However, the industry has specialization, although the P400e hybrid system can provide a variety of hybrid, pure electric, pure oil mode off-road performance, but when it wants to achieve low fuel consumption performance under normal conditions, like the BMW 530Le, It is also necessary to ensure that the battery is fully charged before the vehicle leaves.

Fortunately, whether it is the BMW 530Le or the Land Rover P400e, it is designed with a very convenient charging function for the hybrid system - both can guarantee to charge as much power as possible in the shortest possible time, therefore, they Even if it relies more on charging piles, it does not add any extra trouble to the city.

Since we are here, we might consider a question:

In this world, Toyota's hybrid technology is not the only perfect solution. Is it that hybrid technology can only exist for fuel economy, but must give up all driving pleasure?

From the two examples of 530Le and P400e, it is obviously not the case, because if all the cars give up driving pleasure for extreme fuel economy, then sitting behind the steering wheel is the most boring thing.

Moreover, when the motor and the fuel engine are combined, the motor can not only greatly replace the power shortage characteristics of the fuel engine at low speed, but even adjust the power output smoothness of the entire power system under full working conditions. Here, even the traditional fuel engine will become the supporting role of the motor.

This is why, as early as 2000, many manufacturers have begun to look forward to the future of electric vehicles.

In addition, the hybrid technology has more and more applications besides playing on the track or climbing the river and playing mud.

For example, when GM was required by the US military to start developing unusually complex hybrid technology, it was only to meet the needs of the military to have a vehicle that could quietly enter the enemy line and not attract enemy attention in advance. (Conventional military vehicles are too noisy), it is clear that the military’s core appeal at the time was to sneak a sneak attack, not to save fuel.

Later, this part of the hybrid technology directly evolved into the hybrid system used by Cadillac's first generation of Escalade. And, as costs have fallen, GM's products are now beginning to appear more and more hybrid, even for purely electric models.

In the future, more diverse and more distinctive hybrid systems will surely emerge in an endless stream. Under this premise, they will provide lower power consumption under the premise of providing more power output than ever before. And the ability to protect the environment.

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