BS-ISO-7635-2006.pdf
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1、BRITISH STANDARD BS ISO 7635:2006 Road vehicles Air and air/hydraulic braking systems of motor vehicles, including those with electronic control functions Test procedures ICS 43.040.40 ? Licensed Copy: sheffieldun sheffieldun, na, Sun Nov 26 14:25:07 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS ISO
2、 7635:2006 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 August 2006 BSI 2006 ISBN 0 580 49031 9 National foreword This British Standard reproduces verbatim ISO 7635:2006 and implements it as the UK national standard. The UK participatio
3、n in its preparation was entrusted to Technical Committee AUE/11, Braking systems, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international publications ref
4、erred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary prov
5、isions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation
6、, or proposals for change, and keep UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the ISO title page, pages ii to v, a blank page, pages 1 to 40, an inside b
7、ack cover and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. DateComments Licensed Copy: sheffieldun sheffieldun, na, Sun Nov 26 14:25:07 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Reference
8、number ISO 7635:2006(E) INTERNATIONAL STANDARD ISO 7635 Third edition 2006-06-01 Road vehicles Air and air/hydraulic braking systems of motor vehicles, including those with electronic control functions Test procedures Vhicules routiers Systmes de freinage air comprim ou hydropneumatiques pour les vh
9、icules moteur, y compris les systmes fonctions de commande lectroniques Mthodes dessai Licensed Copy: sheffieldun sheffieldun, na, Sun Nov 26 14:25:07 GMT+00:00 2006, Uncontrolled Copy, (c) BSI ii Licensed Copy: sheffieldun sheffieldun, na, Sun Nov 26 14:25:07 GMT+00:00 2006, Uncontrolled Copy, (c)
10、BSI iii Contents Page Foreword. v 1 Scope . 1 2 Normative references. 1 3 Terms and definitions. 2 4 Symbols. 4 5 Test site conditions 6 5.1 Test site . 6 5.2 Road surface condition 6 5.3 Ambient conditions 7 6 General requirements. 7 7 Recommended sequence of the tests 8 7.1 Preparation and static
11、checks and tests 8 7.2 Basic performance tests Unladen 9 7.3 Failure tests Unladen. 9 7.4 ABS tests Unladen. 9 7.5 ABS tests Laden. 10 7.6 Failure tests Laden. 10 7.7 Basic performance tests Laden 10 8 Vehicle preparation. 11 8.1 Documents and basic data 11 8.2 Braking system condition and bedding .
12、 11 8.3 Adjustment of braking equipment 11 8.4 Tyre conditions. 11 8.5 Devices and instruments needed for the testing 11 9 Static tests and checks 13 9.1 Static braking force and control force vs. line pressure 13 9.2 Capacity of energy sources. 13 9.3 Service braking system Response time measuremen
13、t 14 9.4 Automatic braking 15 9.5 Brake failure and defect warning signals. 15 9.6 Tests on vehicles equipped with spring brake actuators. 17 9.7 Additional tests on vehicles equipped with EBS 18 10 Basic performance tests Unladen 18 10.1 Type 0 test (service braking system cold brake effectiveness,
14、 engine disconnected). 18 10.2 Type 0 test (service braking system cold brake, engine connected) 19 10.3 Parking braking system Hill holding test 19 10.4 Secondary braking system test. 19 10.5 Wheel locking sequence 20 11 Failure tests Unladen. 20 11.1 Service braking system partial failure test (ty
15、pe 0 test, cold brake effectiveness, engine disconnected) 20 11.2 Failed load sensing device test/function test 21 11.3 Failure of the energy source on vehicles equipped with EBS. 21 12 ABS tests Unladen. 22 12.1 ABS failure. 22 12.2 Determination of the peak coefficient of adhesion on the high adhe
16、sion surface 23 BS ISO 7635:2006 Licensed Copy: sheffieldun sheffieldun, na, Sun Nov 26 14:25:07 GMT+00:00 2006, Uncontrolled Copy, (c) BSI iv 12.3 Determination of adhesion utilization on high adhesion surface24 12.4 Determination of adhesion utilization on low adhesion surface26 12.5 Additional ch
17、ecks .26 13 ABS tests Laden.27 13.1 Additional split adhesion test27 13.2 Energy consumption on low adhesion surface.27 14 Failure tests Laden.30 14.1 Service braking system partial failure test (type 0 test, cold brake effectiveness, engine disconnected)30 14.2 Failed load sensing device test.30 14
18、.3 Energy source failure test30 15 Basic performance tests Laden30 15.1 Parking braking system Hill holding test.30 15.2 Parking braking system Dynamic test .32 15.3 Wheel locking sequence 32 15.4 Type 0 test (service braking system cold brake effectiveness, engine disconnected).32 15.5 Type 0 test
19、(service braking system cold brake, engine connected)32 15.6 Warning device test 33 15.7 Energy storage capacity test.33 15.8 Type II or type IIA tests (downhill, endurance braking test).33 15.9 Type I test (fade test) 36 Annex A (normative) Typical braking equipment38 Bibliography .40 BS ISO 7635:2
20、006 Licensed Copy: sheffieldun sheffieldun, na, Sun Nov 26 14:25:07 GMT+00:00 2006, Uncontrolled Copy, (c) BSI v Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards
21、 is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take p
22、art in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to
23、 prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility t
24、hat some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 7635 was prepared by Technical Committee ISO/TC 22, Road vehicles, Subcommittee SC 2, Braking systems and equipment. This third edition
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