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GAC Trumpchi and China Automotive Center dismantled a "C-NCAP collision car" live, and users across the country learned online about the safety gene advantages of Trumpchi GS4 in terms of car manufacturing concept, body frame, material selection, intelligent assistance and pedestrian care.
The Trumpchi GS4 is a crash test vehicle that received a five-star safety rating in the C-NCAP crash test conducted in April this year. In order to let consumers more intuitively feel the safety strength of Trumpchi GS4 and the car-making process behind the five-star, on May 19, GAC Trumpchi × China Automotive Center to conduct a live dismantling of the collision test vehicle (forward dismantling + side impact dismantling + offset disassembly), and conduct a multi-dimensional professional interpretation of the collision performance, and explore the ingenuity behind the Trumpchi GS4 five-star safety together.
During the teardown, we learned that the Trumpchi GS4 had a frontal 100% crash test score: 18.592 points. It can be seen through the live broadcast that its front cabin can absorb energy and collapse, and the airbag will be accurately popped out during the impact, providing enough excellent protection for the occupants in the car, the A-pillar has no deformation, and the four doors can be opened normally after the collision, with excellent performance, with steering columns, seat belts, airbags, seats and other restraint systems to protect the lives of the occupants. The crew compartment remains intact, avoiding situations where the occupants get stuck and cannot escape.
Its side impact test score: 20 points. In the case of a side impact, the structural design of the B-pillar, door threshold, door anti-collision beam and other structures of the Trumpchi GS4 plays a good supporting role, especially the double-inverted figure-eight structure design of the door, which can evenly and effectively disperse the force of the side impact to the structural parts around the body, avoid large side intrusion and extrusion, improve the living space of the occupants in the car, and achieve excellent side safety protection.
In the 40% frontal offset crash test, it scored 18.353 points. The front anti-collision beam fully conducts the collision energy, the front compartment collapses as a whole to absorb energy, and the front and side airbags are accurately popped open, providing enough excellent protection for the occupants in the car, and the four doors can be easily opened after the collision, fully ensuring the living space of the occupants in the car.
The second-generation Trumpchi GS4, based on the new GAC global platform modular architecture GPMA, is a blockbuster SUV model under Trumpchi, and its performance has been upgraded and optimized in an all-round way. It provides consumers with a new fashionable design, better driving experience and driving performance, better fuel economy, and more intelligent and safe safety configurations. More youthful, sporty, fashionable and technological. The protection performance of the occupants in the car has been improved in an all-round way.
The GPMA platform adopts the third-generation GAC safety integration technology, and through the new body design concept, the passive safety performance of the vehicle is improved and the personal safety of the occupants is protected. The platform's forward-facing power path can respond to different markets and development goals under the same framework, such as the 2018 version of CNCAP and major global regulations and evaluation systems.
By improving the collision energy absorption efficiency, the GPMA platform greatly reduces the front energy absorption space, and realizes the design concept of short front overhang and large wheelbase. As the first model of the platform, the GS4 fully implants the concept of safety design on the GPMA platform, showing youth, sports, fashion and technology, while meeting the highest goal of C-NCAP five-star. The Trumpchi GS4 was developed in accordance with the most stringent 2018 C-NCAP five-star standard, in which the occupant protection score rate is 95.23%, reaching the five-star requirement.
The Trumpchi GS4 optimizes the layout of the whole vehicle, ensures the safe space in the occupant car, and lays a solid foundation for the safety of the occupants. The main driver and steering wheel, side and door trims are designed to have more safety space than those of the same class.
In terms of materials, the Trumpchi GS4 continues the five-star Trumpchi's GAC cage collision energy absorption control technology, and the proportion of high-strength steel used in the body is as high as 62%. (38% of ordinary steel for the body, 50% for high-strength steel, and 12% for ultra-high-strength steel) of which more than 1000MPa is ultra-high-strength steel, and 10% is made of 1500MPa hot-stamping steel for the threshold, B-pillar reinforcing plate and side wall reinforcing plate, which effectively ensures the safety of passengers.
The excellent crash performance is due to the strict requirements of the Trumpchi GS4 for the crash safety performance from occupant protection, pedestrian protection, and active safety.
After hundreds of crash simulation simulations and analysis, the Trumpchi GS4 optimizes the design of crash characteristics and restraint system matching, makes full use of the high-efficiency vehicle deceleration and the dispersion load mode that does not cause damage to the occupants, absorbs enough collision impact through the body structure below the occupant seats, and adopts ultra-high-strength hot-stamping steel on the side panels such as the doors, B-pillars and the top of the windows to form a solid cage body structure that resists the deformation of side impacts. The cage body structure is matched with a wealth of safety restraint system configurations to ensure the integrity of the passenger compartment and protect the safety of the occupants from the front, side and roll.
In the frontal structure of the body, the engine compartment structure designed by comprehensive energy absorption and conduction technology adopts a longitudinal beam with a large cross-sectional size, which has a stable impact bearing capacity, which can make the engine compartment structure collapse and absorb energy in a stable and orderly manner when it is hit by the front, so as to absorb the collision energy from the engine compartment to the maximum extent and control the collision energy transmitted to the passenger compartment.
The threshold of the passenger compartment, the upper side beam of the side wall, and the sinking area of the longitudinal beam are made of 1500MPa grade hot-stamping steel, which effectively controls the deformation of the passenger compartment in the frontal collision, ensures that the riding area of the driver and passengers does not deform obviously, and matches the robust restraint system design to ensure the safety of the driver and passengers after the collision.
In the side structure of the body, the ultra-high-strength hot-formed door anti-collision beam, door threshold, B-pillar upper side beam and other structures form a strong and safe cage body structure, and the purpose of the high-strength side structure is to provide sufficient all-round protection for the occupants and reduce occupant injuries.
The middle part of the B-pillar corresponds to the occupant's chest position, and it is very vulnerable to loss in the side impact condition, so the Trumpchi GS4 is strengthened by a reinforcing part in the middle of the B-pillar to avoid bending in the middle position during a side collision and infringing on the occupants.
Through C-NCAP testing and verification, GS4's side safety indicators far exceed industry requirements. Thanks to the cooperation with the world's excellent automotive safety product supplier system, we have created a new and upgraded side safety performance. By optimizing the body structure and matching the side airbag package that conforms to the characteristics of the human body, it can easily cope with the threat of side impact impact. The shape of the airbag conforms to the characteristics of the human body, which satisfies the balanced protection of different parts of the body in the event of impact.
The double-inverted figure-eight structure design of the door can evenly and effectively distribute the force of the side impact to the structural parts around the body, avoiding greater damage to the occupants, and improving the deformation of the sheet metal at the door handle, thereby reducing the risk of the door opening during the collision. The technology has applied for an invention patent. The structural design of the front seat crossmembers through the one-piece hot-formed ultra-high-strength steel can not only improve the resistance to side impacts, but also greatly improve the footspace of the rear dummy by reducing the height of the crossmember and the center aisle.
The Trumpchi GS4 vehicle is equipped with 6 airbags, driver's and passenger seat airbags + front row bilateral airbags + front and rear integrated OPW head curtains, which comprehensively guarantees the safety of drivers and passengers.
Through this dismantling, consumers can clearly understand Trumpchi's efforts in caring for user safety, as well as the layout strategy and car-making ingenuity in "all-field safety", so that their confidence in the brand and products has been greatly improved.