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GB 17354-2024: Front and rear protective devices for passenger cars Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid GB 17354: Historical versions
GB 17354-2024: Front and rear protective devices for passenger cars---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GB17354-2024GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 43.040.60 CCS T 26 Replacing GB 17354-1998 Front and rear protective devices for passenger cars Issued on. AUGUST 23, 2024 Implemented on. JULY 01, 2025 Issued by. State Administration for Market Regulation; Standardization Administration of the People’s Republic of China. Table of ContentsForeword... 3 1 Scope... 5 2 Normative references... 5 3 Terms and definitions... 5 4 Technical requirements... 7 5 Test methods... 8 6 Determination of the same type... 11 7 Implementation of the standard... 11ForewordThis document was drafted in accordance with the provisions of GB/T 1.1-2020 “Directives for standardization - Part 1.Rules for the structure and drafting of standardizing documents”. This document replaces GB 17354-1998 “Front and rear protective devices for passenger cars”. Compared with GB 17354-1998, in addition to structural adjustments and editorial changes, the main technical changes are as follows. - MODIFY the definition of the term “protective device” (see 3.1 of this document, 2.1 of the 1998 edition); - DELETE the term “vehicle model” and its definition (see 2.2 of the 1998 edition); - DELETE the term “mass of load test vehicle” and its definition (see 2.3 of the 1998 edition); - MODIFY the definition of the term “reference line” (see 3.2 of this document, 2.6 of the 1998 edition); - MODIFY the definition of the term “reference height” (see 3.3 of this document, 2.5 of the 1998 edition); - MODIFY the term and definition of “vehicle corner”; ADD the schematic diagram of corner of bumper (see 3.4 of this document, 2.6 of the 1998 edition); - MODIFY the requirements for lighting and signaling devices (see 4.3 of this document, 3.1 of the 1998 edition); - ADD the relevant technical requirements for hybrid and pure electric vehicles (see 4.4 of this document); - ADD the technical requirements for the structural parts of the front and rear protection devices and the functional parts they cover (see 4.7 of this document); - ADD the technical requirements for the cameras and sensors on the front and rear protection devices (see 4.8 of this document); - ADD the test requirements for the load mass of the test vehicle (see 5.2.6 of this document); - MODIFY the reference height (see 5.3.1.4 of this document, 4.3.6 of the 1998 edition); - ADD the determination of the same type (see Clause 6 of this document); - ADD the implementation of the standard (see Clause 7 of this document). Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. The issuing authority of this document shall not be held responsible for identifying any or all such patent rights. This document was proposed by and shall be under the jurisdiction of Ministry of Industry and Information Technology of the People’s Republic of China. This document was first issued in 1998 and this is the first revision. Front and rear protective devices for passenger cars1 ScopeThis document specifies the technical requirements, test methods and determination of the same type of front and rear protection devices for passenger cars. This document applies to the front and rear protection devices of M1 vehicles.2 Normative referencesThe following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB 4785 Prescription for installation of the external lighting and light-signaling devices for motor vehicles and their trailers3 Terms and definitionsFor the purpose of this document, the following terms and definitions apply. 3.1 protective device A device located at the front and rear ends of a vehicle to protect the vehicle from serious damage in the event of a low-speed collision. NOTE. It includes the bumper skin and its fixings, foam parts, crossbeams and their connecting parts, rear apron, longitudinal beams and energy-absorbing components, as well as other components installed on the bumper skin. 3.2 reference line When the A plane of the impactor (see Figure 1) is perpendicular to the horizontal ground, the intersection of the symmetrical horizontal plane of the impact and the contour of the impact head itself. 3.3 reference height The vertical distance between the horizontal plane passing through the reference line of the impactor and the horizontal ground. 3.4 corner of bumper When the vehicle suspension is in the normal driving state specified by the manufacturer, the impactor is at a reference height of 450 mm, and the contour of the impactor head is 60° to the vertical plane of the longitudinal center of the vehicle, the contact point between the impactor and the vehicle (see Figure 2).4 Technical requirements4.1 The test shall be carried out in accordance with the test method specified in Clause 5.The test vehicle shall meet the requirements of 4.2 to 4.8. 4.2 The vehicle doors shall not be opened during the collision; the front hood (lid), trunk lid and vehicle doors shall be able to open and close normally after the test. 4.3 The lighting and signaling devices that are mandatory to be installed as specified in GB 4785 shall be able to work normally. If the filament is broken, it shall work normally after replacing the bulb. 4.4 The fuel system and cooling system of the vehicle shall be leak-free and work normally. For hybrid and pure electric vehicles, their charging system and power system shall work normally. 4.5 The exhaust system of the vehicle shall not be damaged or misaligned to prevent its normal operation. 4.6 The transmission system, suspension system (including tires), steering system and braking system of the vehicle shall work normally. 4.7 The connection between the front and rear beams of the vehicle and the body shall not be detached, the longitudinal beam structural parts of the body shall not be cracked, and the rear panel shall not be cracked.5 Test methods5.1 Test site The test site shall be able to accommodate the drive system of the impactor, skidding of the test vehicle after collision, and the equipment required for the test. The ground of the test site shall be horizontal, hard and flat. 5.2 Test vehicle preparation 5.2.1 The test vehicle shall be stationary. 5.2.2 The wheels of the test vehicle shall be in the straight-ahead position. 5.2.3 The tires of the vehicle shall meet the air pressure specified by the manufacturer. 5.2.4 The parking brake shall be released, and the vehicle shall be in neutral. 5.2.5 For vehicles equipped with height-adjustable suspension and vehicles equipped with automatic leveling suspension (which can automatically level the vehicle according to the load), it shall be adjusted to the normal driving state specified by the manufacturer before test. 5.2.6 The test vehicle loaded weight is the curb weight of the vehicle plus the mass of the driver and passenger specified in Table 1 (each driver and each passenger has a mass of 75 kg respectively). 5.3 Collision device 5.3.1 Requirements for the impactor 5.3.1.5 The first contact point between the impactor and the vehicle shall be the contact point between the impactor and the front and rear protection devices. When the vehicle is at the curb weight state and the test vehicle loaded weight state respectively, the front and rear protection devices between the corner of bumper shall intersect with the horizontal plane passing through the impactor’s reference line. 5.3.2 Installation of the impactor The impactor can be fixed on a pendulum or on a mobile trolley. 5.3.3 Requirements for the collision device 5.4 Test methods 5.4.1 Longitudinal collision test 5.4.1.1 The test is divided into two collision tests in front of the vehicle and two collision tests in the rear. The two collision tests in each direction are carried out at the curb weight state and the test vehicle loaded weight state, respectively. 5.4.1.2 For the two collision tests in each direction, it shall be ensured that the impact head contour of the impactor does not exceed the area defined by the two planes passing through the corners of bumper and parallel to the longitudinal symmetry plane of the vehicle; for the second collision test in each direction, the position of the median vertical plane of the impactor shall be not less than 300 mm from the position in the first collision test. 5.4.2 Collision test on corner of bumper 5.4.2.1 When the vehicle is at the curb weight state, a collision test shall be conducted on the front and rear corners of bumper of the vehicle respectively; when the vehicle is loaded, a collision test shall be conducted on the front and rear corners of bumper of the other side of the vehicle, respectively. 5.4.2.2 The A plane of the impactor shall be vertical to the ground, the reference line shall be horizontal, and the reference height shall be 450 mm. 5.4.2.3 Adjust the position of the vehicle so that the corner of bumper contacts the impactor without causing the impactor to shake, and the following conditions shall also be met. 5.4.2.5 After each test, check whether the test vehicle meets the requirements of 4.2 to 4.8. 5.4.3 Other provisions 5.4.3.1 Between collision tests, the front and rear protection devices and connection devices are allowed to be repaired and replaced. 5.4.3.2 If there are materials that can recover automatically in the front and rear protection devices, between collision tests, time shall be allowed for the material to recover automatically as specified by the manufacturer. 5.4.3.3 At the manufacturer’s request, each collision test is allowed to use a vehicle that has completed other tests (including vehicles with other structural damages except for the front and rear protection devices) or a new vehicle of the same model.6 Determination of the same typeIf the following provisions are met, it is considered to be the same type. a) The body model is the same, the model, material and connection method of the bumper skin are the same; b) The layout position of the engine or drive motor (front, rear or middle) is the same; c) The curb weight of the vehicle is the same or reduced, or increased by no more than 8 %;7 Implementation of the standardFor new models applying for type approval, implementation will begin from the date of implementation of this document. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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