On April 8, the Hongqi New Energy Technology Conference was held in Changchun. At the scene, Qiu Xiandong, director, general manager and deputy party secretary of China FAW Group, officially announced the launch of the third largest platform under the "Flag" super structure - Hongqi Hybrid Platform HMP (HQ Modular Power), demonstrating in an all-round way Hongqi's current stage under the guidance of the new strategy The latest and most cutting-edge new energy scientific and technological achievements and key leading technologies.
Qiu Xiandong released Hongqi new energy technology
Three major platforms under one architecture were formally formed
Adhering to the technological innovation concept of "new and original, global premiere", Hongqi worked hard to create The high-end electric intelligent super architecture (FMEs) is the "banner" of "green intelligence, safety and efficiency, ultimate experience, flexibility and change". It brings together all major breakthroughs and all the latest developments in FAW Group's 8 major technology field groups and 115 key technology fields. As a result, after the construction is completed, it will have nearly 10,000 patents, software copyrights and other intellectual property rights.
The "Flag" super architecture of Hongqi FMEs
The "Flag" super architecture consists of the electrified and intelligent integration platform HME and the intelligent and experiential integration platform HIS. This time, the newly released Hongqi hybrid platform HMP has become the third largest platform under the super architecture.
Hongqi Hybrid Platform HMP
“This platform has both horizontal and vertical large configurations and consists of four cores: hybrid transmission, hybrid engine, intelligent electric drive and safety battery The system and intelligent energy control model are constituted to comprehensively build the technological leadership of Hongqi plug-in hybrid vehicles!" Qiu Xiandong, general manager of FAW Group, introduced on the spot. Multiple innovative breakthroughs directly address users' pain points
The research and development of Hongqi Hybrid Platform HMP lasted five years and broke through 526 key core technologies. Focusing on the platform features of safety, low carbon, pleasure and powerfulness, it has many Brand-new, unique and world-leading unique technological charm.
The four core systems of Hongqi Hybrid Platform HMP are:
1. High-efficiency hybrid transmission system. Adhering to the concept of "luxury quality, integrated innovation, and ultimate exquisiteness", Hongqi has created an efficient, powerful, and quiet hybrid transmission relying on original configuration, high integration, and extremely lean design. The overall efficiency reaches over 90, the output torque of the longitudinal transmission exceeds 4500Nm; the output torque of the transverse transmission reaches 3900Nm, and the global order noise is less than 65 decibels.
The world's first longitudinally mounted front-wheel drive dual-motor multi-speed hybrid transmission LDU45 is used in C-class and above hybrid vehicles. It integrates the drive axle, transmission, motor and controller to solve the problem of traditional longitudinally mounted The technical difficulty of the transmission transmitting power forward is to achieve the shortest transmission path and the lowest system loss. The multi-speed design keeps the engine speed below 2,000 rpm during high-speed cruising, putting it in a high-efficiency and low-noise zone, effectively solving the problems of high-speed noise and high fuel consumption in most current hybrid models.
Hongqi longitudinal hybrid transmission LDU45
In addition, Hongqi has also developed a very compact and efficient transverse hybrid transmission HDU35, which is used in A and B-class hybrids This model has the shortest axial length in the industry at 376mm, and uses a medium-voltage silicon carbide inverter and a multi-layer flat wire oil-cooled motor for the first time, reducing the overall weight by more than 10kg compared with products of the same level. At the same time, the newly developed dual electric pump on-demand energy supply hydraulic system achieves the ultimate efficiency of HDU35 products, and the system operating power consumption is 80% lower than similar products.
Hongqi transverse hybrid transmission HDU35
2. High-performance hybrid engine system. In pursuit of efficiency, comfort and intelligence, Hongqi has created two hybrid engines, 20TD and 15TD, with thermal efficiencies reaching the highest in the industry at 44.3 and 45.2 respectively. This hybrid engine has solved the international problem of balancing "cleaner" and "more powerful". It can still achieve ultra-high power per liter of more than 60kW/L while ensuring high thermal efficiency, which is at the international leading level.
Hongqi high-performance hybrid engine system
The 20TD hybrid engine adopts multiple technologies such as high compression ratio Miller cycle and distributed exhaust gas recirculation, and is equipped with a dual-axis balancer. system to make operation more stable. For work scenarios with frequent starts and stops, the piston self-positioning technology is used to reduce vibration and noise by 12%, reaching the best level in the world.
Hongqi 15TD hybrid engine
The 15TD hybrid engine adopts two industry-first technologies: integrated air intake and separated exhaust supercharging, which can reduce air intake resistance and exhaust interference , allowing the engine to breathe more smoothly. It is also equipped with newly developed dynamic lubrication control technology, which reduces friction loss by another 28% and further saves energy consumption. Moreover, Hongqi has also prepared next-generation lean-burn engines, with measured thermal efficiency exceeding 47. In the future, it will become an important force in further pushing hybrid engines to break through the thermal efficiency barrier at full speed. 3. Power decoupled electric drive system. Allowing driving control and surging power, Hongqi launched the power decoupling electric drive system for the first time. With the innovative structure of intelligently disconnecting the electric auxiliary drive, it can automatically switch between four-wheel drive and two-wheel drive modes within 100ms. When the vehicle is driven economically, there is no towing loss, allowing the energy consumption of four-wheel drive vehicles to reach the level of two-wheel drive vehicles, and overcoming the current industry difficulty of new energy four-wheel drive electric drive having high no-load energy consumption.
Hongqi Power decoupled electric drive system
Hongqi Power decoupled electric drive system can output more than 200kW of power and rotate at 18,000 rpm; it adopts the latest generation of high-performance Technologies such as customized magnets and multi-layer square conductors achieve ultimate compactness and lightweight, reducing material usage by 17% and weighing less than 74kg. Breakthroughs in global deep frequency conversion and super over-modulation technology allow vehicles to provide better performance when driving at high speeds. Power response and acceleration performance.
Not only that, the power-decoupled electric drive also has excellent quiet performance. Without the application of acoustic wrapping, the global order noise is less than 65 decibels, which can be regarded as the benchmark level in the international electric drive industry.
4. High safety and low temperature resistance battery system. Focusing on the all-scenario safety and all-climate enjoyment of the battery system, Hongqi has achieved dual safety protection and improved low-temperature performance.
Hongqi high-security and low-temperature-resistant battery system
Resistant to external damage, the lightweight all-composite box has a strength of up to 1000 MPa and non-brittle material properties, and is relatively lightweight. When the metal box is lowered by more than 15%, it provides the battery with armor-like structural protection; the 1000°C high temperature resistance and full insulation properties form a three-dimensional electrothermal protection, completely eliminating risks such as short circuits and arcing. In order to effectively avoid internal abnormalities, high-stability battery materials and cell structure safety technology are used to improve the safety of the cell body; through cloud steward big data-driven technology, cell health is monitored in real time and proactively maintained. With high-safety battery technology, full life cycle safety control is implemented to protect users’ safety anytime and anywhere!
At the same time, Hongqi has also developed low-temperature active batteries and targeted multi-source intelligent heating technology. Combined with the low thermal conductivity characteristics of the all-composite material box, it can effectively solve the battery performance degradation of electric vehicles in low-temperature environments. user pain points. According to the actual measurement on the bench, when left in an environment of minus 20°C for 12 hours, its available energy is 8% higher than that of metal box batteries, and its power output capacity is more than 25% higher. It truly allows users to travel freely without fear of low temperatures.
Hongqi’s low-temperature resistant battery technology
Based on the four core systems, Hongqi has also developed an exclusive smart energy control model to accurately control and fully unleash the system’s potential. Provide users with the ultimate energy-saving and beautiful driving control travel experience.
This set of algorithms refers to giving Hongqi cars self-awareness internally, allowing them to self-identify and adapt, ensuring that all systems have unified thinking and consistent steps, and achieve the best results with minimal energy consumption; externally, Hongqi cars The car is aware of the external environment and can predict its actions, allowing each system to respond to challenges in the best possible condition at any time.
The core of the model is the global energy flow intelligent management algorithm and the intelligent sensing energy-saving planning algorithm.
The global energy flow intelligent management algorithm integrates the transient characteristics of all elements and the user's personalized usage habits. It can instantly identify the status of each system and the driver's intention, make optimal judgments, and issue optimal instructions to satisfy users' economic and power experience. The demand for balancing both; the intelligent sensing energy-saving planning algorithm is based on cloud big data and road network information, and applies machine learning and global optimization to achieve optimal dynamic adjustment of energy without wasting any energy.
Hongqi Intelligent Energy Control Model
For example, in urban congested traffic conditions, this algorithm can independently identify and enter pure electric drive and series priority modes, and allocate torque from time to time to allow Motor efficiency is always at its optimum. After entering a smooth-traffic highway, the algorithm can actively identify the driver's style, intelligently adjust the electric drive and engine output torque, and accurately control the battery SOC level to prepare for the next stretch of road in advance, completely breaking the boundaries of electric driving. Use electricity, use the inertial logic of oil when there is no electricity.
After multiple sample measurements, Hongqi’s smart energy management algorithm can reduce the fuel consumption of skilled drivers by more than 8 on average, achieving intelligent control that is far superior to that of human brains. Comfortable, stable and safe high-quality travel
Relying on new and original advanced technologies and highly innovative configuration solutions, the Hongqi hybrid platform HMP has targeted and solved the problems of previous users. worry, the coverage scenes are richer and the travel experience is more comfortable.
In urban living circles, HMP platform models can bring longer pure electric driving range, reduce vehicle costs with features such as strong economy, fast energy replenishment, and low energy replenishment frequency, making commuting more convenient. Traveling saves worry and effort, and truly realizes burden-free "zero" fuel consumption travel.
In long-distance driving scenarios such as cross-city, outings, and self-driving trips, HMP platform models can be called "energy management experts" and achieve lower fuel consumption and longer battery life with excellent energy distribution. In addition, it also takes into account powerful power output to meet comprehensive needs in various road conditions, allowing you to enjoy driving fun every time you set off. According to reports, Hongqi will gradually introduce hybrid models into the market as planned. Qiu Xiandong said: "In the second half of this year, two complete vehicle products equipped with the HMP platform will be mass-produced. In the future, Hongqi's new energy products equipped with the HMP platform will I will continue to see you all."
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