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GB 11552-2009 English PDF (GB11552-2009)

GB 11552-2009 English PDF (GB11552-2009)

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GB 11552-2009: The interior fittings of passenger car

This standard specifies the protrusion requirements internal components of the passenger compartment (except the internal rear-view mirror), the control unit, the roof or the movable roof, the parts of seat back and the rear of the seat, as well as the electrical operation requirements for the windows, roof-panel systems and partition systems. This standard applies to category M1 automobiles.
GB 11552-2009
GB
NATIONAL STANDARD OF THE
PEOPLE REPUBLIC OF CHINA
ICS 43.040.60
T 26
Replacing GB 11552-1999
The interior fittings of passenger car
ISSUED ON. SEPTEMBER 30, 2009
IMPLEMENTED ON. JANUARY 01, 2012
Issued by. General Administration of Quality Supervision, Inspection and Quarantine;
Standardization Administration of PRC.
Table of Contents
Foreword ... 3
1 Scope ... 5
2 Normative references ... 5
3 Terms and definitions ... 5
4 Requirements ... 9
Appendix A (Informative) Comparison between the clause number of this
standard and the clause number of ECE R21 ... 21
Appendix B (Normative) Confirmation of dynamically determined head collision zone ... 25
Appendix C (Normative) Determination of head collision zone ... 27
Appendix D (Informative) Notes to standard provisions and appendixes ... 29 Appendix E (Normative) Typical position of cylindrical test bars in the ?€?openings?€? of roof-panel system and window ... 38
Appendix F (Normative) Method of measuring the protrusion height ... 40 Appendix G (Normative) Test procedure for energy absorbing materials ... 42 Appendix H (Normative) Measuring device and procedure used in 4.2.1 ... 45 The interior fittings of passenger car
1 Scope
This standard specifies the protrusion requirements internal components of the passenger compartment (except the internal rear-view mirror), the control unit, the roof or the movable roof, the parts of seat back and the rear of the seat, as well as the electrical operation requirements for the windows, roof-panel systems and partition systems.
This standard applies to category M1 automobiles.
2 Normative references
The provisions in following documents become the provisions of this Standard through reference in this Standard. For the dated references, the subsequent amendments (excluding corrections) or revisions do not apply to this Standard; however, parties who reach an agreement based on this Standard are
encouraged to study if the latest versions of these documents are applicable. For undated references, the latest edition of the referenced document applies. GB 11551-2003 The protection of the occupant in the event of a frontal
collision for passenger car
GB 14166 Safety belts and restraint systems for adult occupants of motor vehicles
GB 15083 Strength requirement and test of automobile seats their
anchorages and any head restraints
ISO 2575.2004 Road vehicles - Symbols of controls, indicators and tell-tales ISO 6487.1980 Measurement technology and testing instrument of collision test
3 Terms and definitions
The following terms and definitions apply to this standard.
3.1
Internal fittings
The line determined by the tangent point of the vertical tangent of the instrument panel (see the note to 3.4 in Appendix D).
3.5
Roof
The part of the top of vehicle which is surrounded by the upper edge of the front windshield, the upper edge of the rear window, the upper frame on both sides (see the note to 3.5 in Appendix D).
3.6
Belt line
A line formed by the lower edge of the side window of the vehicle.
3.7
Convertible car
Vehicles with no rigid parts above the belt line except for the front windshield pillar, rollover protection brackets and/or seat belt fixing points (see the notes to 3.5 and 3.7 in Appendix D).
3.8
Vehicle with opening roof
A vehicle with a roof or a portion thereof that can be folded back, opened, or slid as relative to a vehicle structural component above the belt line (see the note to 3.5 in Appendix D).
3.9
Folding (tip-up) seat
The auxiliary seat for temporary use, which is usually folded.
3.10
Protective system
Internal components and devices which are used to restrain the occupant. 3.11
Type of a protective system
A type of protection device that does not differ in the following main aspects. 3.16.1
Ignition key
A device that controls the power required to operate an automobile engine or motor. This definition also includes non-mechanical devices.
3.16.2
Power key
A device that allows power to be supplied to an automotive power system. The power key may also be the ignition key. This definition also includes non-mechanical devices.
3.17
Airbag
A device that assists the vehicle?€?s seat belt and the restraint system, that is, a system which, if a serious collision affecting the structure of the vehicle occurs, automatically deploy the flexible structure to restrict the violent collision of one or more parts of the vehicle occupant with the interior of the passenger compartment by compressing the gas contained therein.
3.18
Sharp edge
Edges of rigid materials with a radius of curvature of less than 2.5 mm, except for protrusions less than 3.2 mm (measured from the panel according to the procedure as described in F.1 of Appendix F). For cases where the protrusion height is less than 3.2 mm, this minimum radius of curvature requirement is not applicable as long as the protrusion height is not more than half of its width and its edge is rounded (see the note to 3.18 in Appendix D).
4 Requirements
4.1 The internal components of the passenger compartment in front of the front seat?€?s ?€?H?€? point and above the level of the instrument panel
(excluding the side door)
4.1.1 In the reference zone as defined in 3.3, there shall be no dangerous rough surfaces or sharp edges that may increase the risk of serious injury to the occupant. If the head collision zone is determined according to Appendix C, the components described in 4.1.2 ~ 4.1.6 below shall be considered to meet the requirements of 4.1.4 and 4.1.5. Alternatively, according to the procedure as described in Appendix G, sufficient tests shall be used to demonstrate that during the collision test, it will not contact the bracket due to cut off the soft material which has a Shore (A) hardness below 50. In this case, the radius requirement does not apply (see the note to 4.1.6 in Appendix D).
4.1.7 If the dynamic reference zone is determined according to Appendix B, it shall meet the following requirements.
4.1.7.1 If the protective system of the vehicle cannot prevent the head of the dummy (as specified in B.1.2.1 of Appendix B) from coming into contact with the instrument panel, thus the dynamic reference zone is determined according to Appendix B, then the requirements of 4.1.2 ~ 4.1.6 apply only to parts located in this zone.
Parts of other areas of the instrument panel above the level of the instrument panel shall, if in contact to the sphere which has a diameter of 165 mm, be at least rounded.
4.1.7.2 If the protective system of this vehicle model is capable of preventing the contact of the head of the dummy (as specified in B.1.2.1 of Appendix B) with the instrument panel, thereby determining that there is no reference zone, then the requirements of 4.1.2 ~ 4.1.6 do not apply to this vehicle model. Parts above the level of the instrument panel shall, if in contact to the sphere which has a diameter of 165 mm, be at least rounded.
4.2 The internal components of the passenger compartment in front of the ?€?H?€? point of the front seat and below the level of the instrument panel (excluding the side door and the foot pedal)
4.2.1 Except for the foot pedal and its fixtures as well as the components that are not accessible to the devices and operating procedures as described in Appendix H, the various components (switches, ignition keys, etc.) involved in 4.2 shall comply with the provisions of 4.1.4 ~ 4.1.6 (see the note to 4.2.1 in Appendix D).
4.2.2 If the hand brake lever is mounted above or below the instrument panel, when it is in the released position, even if a frontal collision occurs, it is impossible for the occupant to touch it. Otherwise, the surface of the brake lever shall meet the requirements of 4.3.2.3 (see the note to 4.2.2 in Appendix D). 4.2.3 When designing and manufacturing shelves or other similar components, ensure that the brackets have no raised edges and that one of the following requirements is met (see the note to 4.2.3 in Appendix D).
4.2.3.1 The part of the shelf or other similar component facing the interior of the 4.3.2.2 The joystick and push button shall be designed and constructed to ensure that, when subjected to a 378 N forward longitudinal horizontal force, the protrusion at the most unfavorable position of the human body shall fall within 25 mm to the surface of panel or fall off or bend or deform. When it falls off or bends, no dangerous protrusion shall be left in the original position. However, the joystick of the glass lifter is allowed to protrude 35 mm from the surface (see the note to 4.3.2.2 in Appendix D).
4.3.2.3 When the hand brake lever is in the released position and the shift lever is in any forward gear, unless in the area as specified in 3.3a) and b) or below the horizontal plane which passes through the ?€?H?€? point of the front seat, otherwise the cross-sectional area at a point 6.5 mm away from the most convex part in the longitudinal direction shall not be less than 650 mm2, the radius of curvature shall not be less than 3.2 mm (see the note to 4.3.2.3 in Appendix D).
4.3.3 The requirements of 4.3.2.3 above do not apply to hand brake levers which are mounted on the floor; for such hand brake levers, when in the released position, if the height of any part of the joystick is above the horizontal plane passing through the lowest ?€?H?€? point of the front seat, then the cross- sectional area as measured on the horizontal plane not more than 6.5 mm (as measured along the perpendicular direction) away from the apex of the
protrusion is at least 650 mm2. The radius of curvature shall be not less than 3.2 mm.
4.3.4 For other vehicle components not covered by the above, such as seat rails, horizontal & vertical adjustment mechanism of seat, seat belt retractor, etc., if the position of these components is lower than the horizontal plane which passes through the ?€?H?€? point of each seat, even if they can be reached by the occupant, they are not subject to these terms (see the note to 4.3.4 in Appendix D).
4.3.4.1 Components that are mounted on the roof but are not part of the roof structure, such as handles, roof lights, sun visors, etc., shall have a radius of curvature of not less than 3.2 mm. The width of the protrusion shall not be less than the downward protrusion; or, these protrusions shall pass the energy absorbing test as specified in Appendix G (see the note to 4.3.4.1 in Appendix D).
4.3.5 For some components which are made of a soft material with a Shore (A) hardness of less than 50 and which are mounted on a rigid support, the rigid support shall meet the above requirements. Alternatively, according to the procedure described in Appendix G, sufficient tests shall be used to
demonstrate that such components will not touch the frame during the collision test due to cutting off the soft material which has a Shore (A) hardness below 50. In this case, the radius requirement does not apply.
be in an area that cannot be reached by a sphere which has a diameter of 165 mm. If this condition cannot met, then the opening mechanism and the
operating mechanism are either in the retracted state when they are in the stop position; or the design and manufacture of these mechanisms meet the
following requirements. when subjected to a force of 378 N in the impact direction along a trajectory of the ball-head model path (according to the provisions of Appendix G), the protrusion height (measured according to the measurement method of Appendix F) falls within 25 mm from the mounting
surface of the mechanism; or there shall be no remaining protrusions at the original position after falling off (see the note to 4.5.1.2.3 in Appendix D). 4.5.2 Power-operated roof-panel system and its operating parts shall meet the requirements of 4.8 below.
4.6 Convertible car (see the note to 4.6 in Appendix D)
4.6.1 For convertible cars, the lower edge of the upper part of the rollover protection bracket and the upper part of the windshield frame shall meet the requirements of 4.4 in all normal use positions. Folding bars or connectors located above or in front of the occupant to support the non-rigid roof shall have neither rearward or downward dangerous rough surfaces nor sharp edges (see the note to 4.6.1 in Appendix D).
4.7 Parts fixed at the backside of the seat of the vehicle
4.7.1 Requirements
4.7.1.1 The surface of the parts at the backside of the seat shall be free of any dangerous rough surfaces or sharp edges that may increase the risk or severity of occupant injury (see the note to 4.7.1.1 in Appendix D).
4.7.1.2 The backrest part of the front seats in the head collision zone (as determined in Appendix C) within the boundaries specified in 4.7.1.2.1 and 4.7.1.2.2 shall meet the energy absorption performance as specified in
Appendix G. To determine the head collision zone, if the front seats are adjustable, they shall be in the rearmost driving position, the backrest angle shall be as close as possible to 25??, unless otherwise specified by the manufacturer (see the note to 4.7.1.2 in Appendix D).
4.7.1.2.1 For free-standing front seats, the rear passenger?€?s head collision zone shall be within the area at the top of the backside of the front seat backrest which extends 100 mm from the center of the seat to both sides.
4.7.1.2.1.1 For seats with headrests, the headrest shall be at the lowest position each time the test is carried out and the test point of action shall be on the vertical line through the center of the headrest.
4.7.1.2.1.2 For seats designed for installation in a variety of vehicle models, the collision zone shall be determined according to the vehicle model in which the rearmost driving position is the most unfavorable, so that the determined collision zone can be considered applicable to all other vehicle models. 4.7.1.2.2 For integral front seats, the head collision zone is between the two longitudinal vertical planes 100 mm extended from both sides of the central plane of each outside occupant. The central plane?€?s position of each outer seat of the integral front seat is as specified by the manufacturer.
4.7.1.2.3 In the head collision zone outside the boundaries as specified in 4.7.1.2.1 and 4.7.1.2.2, the seat frame shall be padded to avoid direct contact with the occupant?€?s head; meanwhile in this area, the frame shall have a radius of curvature of at least 5 mm. Alternatively, these components meet the energy absorption requirements as specified in Annex G (see the note to 4.7.1.2.3 in Appendix D).
4.7.2 These provisions do not apply to the last row of seats, seats facing the side or rear of the vehicle, back-to-back seats, folding (tip-up) seats. If there are parts which are covered by the soft material of Shore (A) hardness less than 50 in the head collision zone of the seat, headrest, and its support frame, the rigid parts shall comply with all other provisions mentioned above than the energy absorption as specified in Appendix G.
4.7.3 If the seat has been tested to meet the requirements of GB 15083 (or ECE R17 03 series revision or updated version), it is considered to meet the requirements of 4.7.
4.8 Electrical operation of windows, roof-panel systems and partition
systems
4.8.1 The following requirements apply to the electrical operation of the window/roof-panel system/partition system, to minimize the possibility of injury from accidental or erroneous operation.
4.8.2 Requirements of normal operation
Except for the conditions as specified in 4.8.3, the power-operated window/roof- panel system/partition system is allowed to be closed in one or more of the following cases.
4.8.2.1 The ignition key is inserted into the ignition switch in either position or when the non-mechanical device is in the same state.
4.8.2.2 When the power key has been connected to the power supply device of the power-operated window, roof-panel system or partition system.
4.8.3.1.2.1 The position which allows to pass through the opening to place a semi-rigid cylindrical test bar with a diameter of 200 mm, whilst the contact point between the test bar and the opening is the point to determine the retraction characteristics in 4.8.3.1.1.
4.8.3.1.2.2 The initial position before closing;
4.8.3.1.2.3 The position at least 50 mm more than the position at which the retraction begins;
4.8.3.1.2.4 In the case of tilting movement of the roof-panel system, the opening position of maximum.
4.8.3.1.3 According to 4.8.3.1.1, in order to check the power-operated
window/roof-panel system/partition system with retraction device, extend out the measuring tool/test bar from the inside of the vehicle through the opening (for the partition system, from the rear of the passenger compartment). The cylindrical surface of the bar is in contact with a portion of the vehicle structure that forms the boundary of the window/roof-panel system/blocking system. The rigidity of the measuring tool shall be (10 ?? 0.5) N/mm. The position of the test bar is as shown in Figure E.1 of Appendix E (usually perpendicular to the frame of window/roof-panel system/partition system and perpendicular to the closing direction). The position of the test bar as relative to the frame and the closing direction shall remain constant throughout the test.
4.8.4 Switch position and operation
4.8.4.1 The method of setting or operating the switch of power-operated window/roof-panel system/interrupting system shall minimize the risk of accidental shutdown. In addition to the case of 4.8.2.7, 4.8.2.9 or 4.8.3, in order to close, the switch shall be continuously actuated.
4.8.4.2 The switches to the rear windshield, roof-panel system and partition system for use of the rear occupants of the vehicle shall be capable of being deactivated by the driver?€?s control switch, which is placed in front of the transverse vertical plane that passes through the ?€?R?€? point of the front seat. prior to. If the rear windshield, roof-panel system and partition system are equipped with an automatic retraction device, it does not require this type of driver control switch. However, if the driver control switch is already present, it shall not interfere with the automatic retraction device or hinder the drop of the partition system.
The risk of accidental operation shall be minimized when setting the driver control switch. Use the symbols as shown in Figure E.2 in Appendix E to identify it. It may also use the equivalent symbols, such as using the symbols as specified in ISO 2575.2004 which is copied by the Figure E.3 of Appendix E. Appendix B
(Normative)
Confirmation of dynamically determined head collision zone
B.1 Confirmation of the head collision zone dynamically determined by the protection system
B.1.1 Unlike the procedure described in Appendix C, the applicant can
demonstrate through a procedure approved by the technical service
department responsible for the test management that the dynamically
determined head collision zone is relevant to the vehicle model.
B.1.2 A suitable method of testing the dynamically determined head collision zone may be one of the following methods.
B.1.2.1 Real vehicle collision test
Regarding the protective system installed on this vehicle model, use at least the collision speed of 48.3 km/h and the frontal collision conditions within the range of ??30?? with respect to the fixed rigid barrier wall, to determine the order in which the o...

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