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R158 后视装置和驾驶员感知车后易受伤道路使用者的车辆批准的统一规定
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Uniform provisions concerning the approval of devices for reversing motion and motor vehicles with regard to the driver’s awareness of vulnerable road users behind vehicles
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Agreement
Concerning the Adoption of Harmonized Technical United Nations
Regulations for Wheeled Vehicles, Equipment and Parts which can be
Fitted and/or be Used on Wheeled Vehicles and the Conditions for
Reciprocal Recognition of Approvals Granted on the Basis of these
United Nations Regulations*
(Revision 3, including the amendments which entered into force on 14 September 2017)
_________
Addendum 157 – UN Regulation No. 158
Date of entry into force as an annex to the 1958 Agreement: 10 June 2021
Uniform provisions concerning the approval of devices for reversing
motion and motor vehicles with regard to the driver’s awareness of
vulnerable road users behind vehicles
This document is meant purely as documentation tool. The authentic and legal binding text
is: ECE/TRANS/WP.29/2020/121.
_________
UNITED NATIONS
*
Former titles of the Agreement:
Agreement concerning the Adoption of Uniform Conditions of Approval and Reciprocal Recognition of
Approval for Motor Vehicle Equipment and Parts, done at Geneva on 20 March 1958 (original version);
Agreement concerning the Adoption of Uniform Technical Prescriptions for Wheeled Vehicles,
Equipment and Parts which can be Fitted and/or be Used on Wheeled Vehicles and the Conditions for
Reciprocal Recognition of Approvals Granted on the Basis of these Prescriptions, done at Geneva on
5 October 1995 (Revision 2).
E/ECE/TRANS/505/Rev.3/Add.157
6 July 2021
E/ECE/TRANS/505/Rev.3/Add.157
3
UN Regulation No. 158
Uniform provisions concerning the approval of devices for
reversing motion and motor vehicles with regard to the
driver’s awareness of vulnerable road users behind vehicles
Contents
Page
Regulation
1. Scope ......................................................................................................................................... 5
I. Devices for Reversing Motion ......................................................................................................... 5
2. Definitions ....................................................................................................................................... 5
3. Application for approval .................................................................................................................. 7
4. Markings ......................................................................................................................................... 7
5. Approval ......................................................................................................................................... 8
6. Requirements ................................................................................................................................... 8
7. Modification of the type of device for indirect vision and extension of approval ............................ 9
8. Conformity of production ................................................................................................................ 10
9. Penalties for non conformity of production ...................................................................................... 10
10. Production definitively discontinued ................................................................................................ 10
11. Names and addresses of Technical Services responsible for conducting approval tests,
and of Type Approval Authorities .................................................................................................... 11
II. Installation of devices for reversing motion ..................................................................................... 11
12. Definitions ....................................................................................................................................... 11
13. Application for approval .................................................................................................................. 12
14. Approval ......................................................................................................................................... 12
15. Requirements.................................................................................................................................... 13
16. Requirements for rear-view camera system ..................................................................................... 16
17. Requirements for detection systems ................................................................................................. 17
18. Modifications of the vehicle type and extension of approvals ......................................................... 18
19. Conformity of production ................................................................................................................. 19
20. Penalties for non-conformity of protection ...................................................................................... 19
21. Production definitively discontinued ................................................................................................ 19
22. Names and addresses of Technical Services responsible for conducting approval tests,
and of Type Approval Authorities .................................................................................................... 19
Annexes
1 Information document for type approval of a device for reversing motion ...................................... 20
2 Information document for type approval of vehicle with respect to the installation of devices
for reversing motion ......................................................................................................................... 21
E/ECE/TRANS/505/Rev.3/Add.157
4
3 Communication concerning the approval or refusal or extension or withdrawal of approval
or production definitively discontinued of a type of device for reversing motion, pursuant
to Regulation No. 158 ...................................................................................................................... 23
4 Communication concerning the approval or refusal or extension or withdrawal of approval
or production definitively discontinued of a type of vehicle with regard to the mounting of
devices for reversing motion, pursuant to Regulation No. 158 ........................................................ 24
Appendix ......................................................................................................................................... 25
5 Arrangement of approval mark for a device for indirect vision ....................................................... 26
6 Test method for determining reflectivity ......................................................................................... 27
7 Procedure for determining the radius of curvature "r" of the reflecting surface of a mirror ............ 32
8 Procedure for determining the "H" point and the actual torso angle for seating positions
in motor vehicles .............................................................................................................................. 34
Appendix 1 - Description of the three-dimensional "H" point machine (3-D H machine) ............... 34
Appendix 2 - Three-dimensional reference system .......................................................................... 34
Appendix 3 - Reference data concerning seating positions .............................................................. 34
9 Test methods for close-proximity rear-view field of vision ............................................................. 35
10 Test methods for detection systems .................................................................................................. 40
E/ECE/TRANS/505/Rev.3/Add.157
5
Introduction (for information)
The purpose of this Regulation is to provide the provisions for reversing motion
concerning on awareness of vulnerable road users proximity. UN Regulation No. 46.
provides the provisions for indirect vision of motor vehicles. This Regulation expands
driver’s vision or awareness for vehicle rear direction when in reversing motion. Therefore,
some requirements of this Regulation may be satisfied by devices complying with
UN Regulation No.46.
This Regulation cannot cover all the traffic conditions and infrastructure features in
the type approval process; this Regulation recognises that the performances required in this
Regulation cannot be achieved in all conditions (vehicle speed and condition, weather
conditions, and traffic scenarios etc. may affect the system performances).
1. Scope
This Regulation applies to:
1.1. Approval of devices for reversing safety defined in Part I intended to be fitted
to vehicles of category M and N.
1.2. Approval of vehicle installation of devices for reversing safety defined in Part
II if fitted to vehicles of category M and N.
1.3. At the request of the manufacturer, Contracting Parties may grant approvals
under Parts I and II to vehicles of other categories and devices for fitting to
such vehicles.
1.4. The following vehicles of category M and N shall be exempted from this
Regulation:
Vehicles where installation of any device for reversing safety is incompatible
with their on-road use may be partly or fully exempted from this Regulation,
subject to the decision of the Type Approval Authority.
1.5. If a vehicle has multiple device(s), the manufacturer shall designate the
device that meets the provisions of the regulation.
Part I Devices for Reversing Motion
2. Definitions
For the purposes of this Regulation:
2.1. "Devices for reversing motion" means devices intended to give a clear view of
the rear of the vehicle within the fields of vision defined in paragraph 15.2.
These can be conventional mirrors, Rear-View Camera System or other
devices able to present information about the field of vision to the driver.
2.1.1. "Close-proximity rear-view device" means a device that gives the field of
vision defined in paragraph 15.2. of this Regulation.
2.1.2. "Devices for indirect vision" means devices that present information of the
fields of vision defined in paragraph 15.2.
2.1.2.1. “Rear-View Camera system (RVCS)” means any system intended to render an
image of the outside world and give a clear view to the rear of the vehicle
within the fields of vision defined in paragraph 15.2. by means of camera.
2.1.2.1.1. "Luminance contrast" means the brightness ratio between an object and its
immediate background/surrounding that allows the object to be distinguished
from its background/surroundings. The definition is in accordance with the
definition given in ISO 9241-302:2008.
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