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GB 15085-2013: Motor vehicles - Windscreen wiper and washer systems - Performance requirements and test methods 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 15085: Historical versions
GB 15085-2013: Motor vehicles - Windscreen wiper and washer systems - Performance requirements and test methods---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/GB15085-2013 GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 43.040.60 T 26 Replacing GB 15085-1994 and GB 11565-1989 Motor vehicles - Windscreen wiper and washer systems - Performance requirements and test methods Issued on. SEPTEMBER 18, 2013 Implemented on. JANUARY 1, 2015 Issued by. General Administration of Quality Supervision, Inspection and Quarantine of the People’s Republic of China; Standardization Administration of the People’s Republic of China. Table of ContentsForeword... 3 1 Scope... 6 2 Normative references... 6 3 Terms and definitions... 6 4 Performance requirements... 8 5 Test methods... 10 Annex A (Informative) Contrast between the section numbers of this Standard and 78/318/EEC... 15 Annex B (Normative) Test mixture specification for windscreen wiper and washer systems of motor vehicles... 17ForewordChapters 4 and 5 of this Standard are mandatory, while others are recommended. This Standard was drafted in accordance with the rules given in GB/T 1.1-2009. This Standard replaces GB 15085-1994 Motor vehicles - Windshield wipers and washer systems - Performance requirements and test methods and GB 11565- 1989 Passenger cars - Windshield wipers - Wiped areas. This Standard is mainly based on GB 15085-1994, and integrates the contents of GB 11565- 1989.Compared with GB 11565-1989, the major technical changes, except the editorial modification, are as follows. The major differences between this Standard and GB 15085-1994. — ADD the “180° forward field of vision of the drivers” (SEE Chapter 1). — ADD the definitions of the following nouns. “windscreen-wiper system”, “sweep cycle”, “transparent area of a windscreen” and “windscreen- washer system” (SEE Sections 3.6, 3.7, 3.8 and 3.13). — ADD the content of “Determination of areas A and B” (SEE Section 4.1.2). — ADD the content of Section 4.1.9.MAKE modification and supplement to Section 4.1.3. — ADD the Annex A (informative). The major differences between this Standard and GB 11565-1989. — DELETE the “Major instruments and equipment” (SEE Section 5.1 of GB 11565-1989). — MODIFY the expressions in the “Field measuring methods” (SEE Sections 3.6, 3.7, 3.8 and 3.13). For the contents that are same as the previous contents in this Standard, directly QUOTE the standard’s clause numbers. MODIFY the content of Section 5.4.4.MODIFY the “... Under the circumstance that the wind cannot directly blow to the windscreen, evenly SPRAY a thin layer of dry medical talcum powder on the outer surface of the windscreen.” to “... Evenly COAT the outer surface of the windscreen with a layer of test mixture specified in Annex B. WAIT for drying.” [SEE Sections 5.3.3 a) and 5.3.3 c) as well as Sections 5.4.1, 5.4.2 and 5.4.4 of the 1989 edition]. This Standard was drafted by reference to the European Communities 78/318/EEC Council Directive on the approximation of the laws of the Member States relating to the wiper and washer systems of motor vehicles (2007 edition). The major differences between this Standard and Directive 78/318/EEC as well as the corresponding reasons are as follows. — The approval-related contents are not involved in this Standard. Therefore, DELETE Chapter 3 “Applications for EEC type-approval”, Chapter 4 “Granting of EEC type-approval”, Chapter 7 “Markings”, Chapter 8 “Amendments to models and approvals” and Chapter 9 “Conformity of production” in Annex I, Annex VI “Information document (vehicle)”, Annex VII “Information document (separate technical unit)”, Annex VIII “Type-approval certificate (vehicle)” and Annex IX “Type- approval certificate (separate technical unit)” of Directive 78/318/EEC. — The contents below are not involved in this Standard. Therefore, DELETE the definitions of the following nouns in Annex I of Directive 78/318/EEC. “three-dimensional reference grid”, “primary reference marks”, “actual torso angle”, “design torso angle”, “longitudinal seat-adjustment range” and “extended seat-adjustment range” (SEE Sections 2.2, 2.3, 2.4, 2.5, 2.11 and 2.12 in Annex I of Directive 78/318/EEC). — This Standard involves the electric drive system instead of the manpower drive system. Therefore, DELETE the provisions “on the applied force of the manpower drive system” in the table shown in Section 6.2.1.1 of Annex I in Directive 78/318/EEC (SEE the table shown in Section 6.2.1.1 of Annex I in Directive 78/318/EEC). — Annexes II, III and IV use China’s current relevant standards. The approval-related contents in Annexes VI to IX are not involved in this Standard. Therefore, DELETE the Annex II “Procedure for determining the H point and the actual seat-back angle and for verifying the relative positions of the R and H points and the relationship between the design seat-back angle and the actual seat-back angle”, Annex III “Method for determining the dimensional relationships between the vehicle’s primary reference marks and the three-dimensional reference grid”, Annex IV “Procedure for determining vision areas on windscreens of category M1 vehicles in relation to the V points”, Annex VI “Information document No...”, Annex VII “Information document No...”, Annex VIII “Model” and Annex IX “Model” of Directive 78/318/EEC. Compared with Directive 78/318/EEC, this Standard has made structural adjustment. The contrast table for the section numbers of this Standard and Directive 78/318/EEC is listed in Annex A. Considering China’s national conditions, when using the Directive 78/318/EEC, this Standard has made the following editorial modifications. — MODIFY “this Directive” as “this Standard”; — MODIFY “Definitions” as “Terms and definitions”; — ADD the Annex A (informative). This Standard was proposed by the Ministry of Industry and Information Technology of the People’s Republic of China. This Standard shall be under the jurisdiction of the National Technical Committee for Standardization of Automobiles (SAC/TC 114). Drafting organizations of this Standard. China Quality Certification Center, Wuhan Auto Body Accessories Institute, and Technical Center of FAW Group Corporation. Main drafters of this Standard. Li Zaihua, Qu Yanping, Yao Peng and Zhang Yu. The previous released editions substituted by this Standard are as follows. — GB 15085-1994; — GB 11565-1989. Motor vehicles - Windscreen wiper and washer systems - Performance requirements and test methods1 ScopeThis Standard specifies the terms and definitions, performance requirements and test methods for the windscreen wiper and washer systems of motor vehicles, including the method for measuring the sweep field of the windscreen wiper. This Standard is applicable to the 180° forward field of vision of the drivers of vehicles in Category M1.2 Normative referencesThe following documents are essential to the application of this document. For dated references, only the editions with the dates indicated are applicable to this document. For undated references, only the latest editions (including all the amendments) are applicable to this document. GB 11555-2009 Motor vehicles - Windshield demisting and defrosting systems - Performance requirements and test methods3 Terms and definitionsThe following terms and definitions are applicable to this document. 3.1 Wiper blade It is equipped with the wiping component used for sweeping the outer surface of the windscreen. 3.2 Sweep field It refers to the area that can be swept by the wiper blade within the specific range of the outer surface of the windscreen. 3.7 Sweep cycle It refers to the process that the blade returns back to the initial position after moving from one end to the other end of the sweep range when the wiper is in normal status. 3.8 Transparent area of a windscreen It refers to the windscreen of the motor vehicle and the area where the surface transmittance (during the measurement when light rays are perpendicular to the surface) is not less than 70%. 3.9 Nozzle It refers to the device which serves to direct the wash fluid to the outer surface of the windscreen. 3.10 Jet ability It refers to the nozzle’s ability of jetting wash fluid onto the target position of the windshield when the washer system is in normal operation. 3.11 Wash fluid It refers to the aqueous solution consisting of water with a hardness of less than 205g/t and appropriate amount of additives. 3.12 Target position It refers to the position specified by the motor vehicle manufacturer, where the wash fluid is jetted to on the outer surface of the windscreen.4 Performance requirements4.1 Performance requirements of the windscreen-wiper system 4.1.1 Each vehicle shall be equipped with at least one automatic windscreen- wiper system. The automatic windscreen-wiper system refers to a system which is able to function without any action by the driver other than that needed for starting and stopping the windscreen wiper when the vehicle’s engine is running. 4.1.3 The windscreen wiper shall have at least two sweep frequencies. 4.1.4 The sweep frequencies referred to in Section 4.1.3 shall be achieved as set out in Sections 5.1.1 to 5.1.3 and 5.1.5. 4.1.5 Intermittent operation windscreen-wiper system may be used for the purposes of complying with the requirements of Section 4.1.3, provided that one of the frequencies complies with the requirements of Section 4.1.3 a), and that one of the other frequencies obtained when the main frequency is interrupted is not less than 10 cycles/min. 4.1.9 When subjected to a relative air speed equal to 80% of the vehicle’s maximum speed, but not exceeding 160km/h, the windscreen-wiper system, operating at maximum frequency, shall be able to sweep the area A specified in Section 4.1.2, with the same efficiency and under the same conditions as set out in Section 5.1.7 b). 4.1.10 The wiper-arm mounting shall enable the wiper arm to be displaced from its position on the windscreen, so as to allow the windscreen to be manually cleaned. 4.2 Performance requirements of the windscreen-washer system 4.2.1 Each vehicle shall be fitted with a windscreen-washer system which is capable of withstanding the loads produced when the nozzles are plugged and the system is actuated in accordance with the procedure set out in Sections 5.2.1 and 5.2.2.During normal operation, the windscreen-washer system shall be capable of jetting fluid to the target position on the windscreen, without any leakage or disconnecting with the washer system piping. 4.2.2 The windscreen-washer system shall be able to function properly after being conducted with the temperature cycling test specified in Sections 5.2.3 and 5.2.4.5 Test methods5.1 Windscreen-wiper system 5.1.1 Unless otherwise specified, the tests described shall be carried out under the following conditions. 5.1.2 Compressed air operated or vacuum operated windscreen-wiper system shall be able to function continuously at the prescribed sweep frequencies whatever the engine speed or engine load. 5.1.3 The sweep frequencies of the windscreen-wiper system shall comply with the requirements of Section 4.1.3 after a preliminary operating time of 20min on a wet surface. 5.1.7 For the purpose of measuring the windscreen-wiper field prescribed in Section 4.1.2, the outer surface of the windscreen shall be treated as indicated in Sections 5.1.5 and 5.1.6 or other equivalent methods. The measuring procedures are as follows. 5.1.8 The requirements of Section 4.1.11 shall be met after the vehicle has been in an ambient temperature of -18°C ± 3°C for a minimum of 4h. The windscreen-wiper system is to be set to operate under the conditions set out in Sections 5.1.1 c), d), e) and f) with the control system at the position of maximum frequency. There are no requirements regarding the sweep field. 5.2 Windscreen-washer system 5.2.1 Strength test 5.2.1.1 The windscreen-washer system shall be filled with water, and placed in an ambient temperature of 20°C ± 2°C for a minimum of 4h. All the nozzles shall be plugged. Furthermore, the windscreen washer shall be actuated six times in 1min, each time for at least 3s. 5.2.3.2 The windscreen-washer system shall be filled and fully primed with the mixture (low-temperature windscreen-washer fluid consisting of a 50% solution of methanol, or alternatively isopropyl alcohol, in water of a hardness of not greater than 205g/t), so as to exhaust air. The windscreen-washer system shall be placed in an ambient temperature of -18°C ± 3°C for a minimum of 4h. CONDUCT the strength test to the windscreen-washer system according to the methods described in Section 5.2.1. 5.2.4 High-temperature exposure test 5.2.5 Washer system capability test 5.2.5.1 The windscreen-washer system shall be filled with water. With the vehicle stationary and no significant wind effect, the washer nozzle or nozzles (if adjustable) shall be pointed towards the target position on the outer surface of the windscreen. If the system is powered by an electric pump, the requirements of Sections 5.1.1 c), d), e) and f) shall apply. 5.2.5.2 The outer surface of the windscreen shall be treated according to the methods described in Sections 5.1.5 and 5.1.6. 5.2.5.3 The windscreen washer and wiper shall then be actuated according to the specified methods for 10 cycles of automatic operation of the windscreen- wiper system at maximum frequency. MEASURE the proportion of the sweep area in the area A afterwards. 5.3 Method for measuring the sweep field of the windscreen wiper 5.3.1 Drawing measurement The measuring procedures are as follows. 5.3.2 Rack measurement The measuring procedures are as follows. 5.3.3 Actual measurement The measuring procedures are as follows. 5.3.4 Measurement selection The manufacturer can select one of the measurements specified in Sections 5.3.1, 5.3.2 and 5.3.3 for measuring the sweep field of the windscreen wiper. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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