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JT/T 1030-2016 PDF in English


JT/T 1030-2016 (JT/T1030-2016, JTT 1030-2016, JTT1030-2016)
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JT/T 1030-2016: PDF in English (JTT 1030-2016)

JT/T 1030-2016 JT TRANSPORTATION INDUSTRY STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 43.080.20 T 42 Record No.. Bus Electromagnetic Glass Breaker ISSUED ON. FEBRUARY 02, 2016 IMPLEMENTED ON. APRIL 10, 2016 Issued by. Ministry of Transport of the People’s Republic of China Table of Contents Foreword ... 3 1 Scope ... 4 2 Normative References ... 4 3 Terms and Definitions ... 5 4 Technical Requirements ... 5 5 Test Methods ... 9 6 Inspection Rules ... 12 7 Marking, Package, Transportation and Storage ... 13 Bus Electromagnetic Glass Breaker 1 Scope This Standard specifies the technical requirements, test methods, inspection rules, marking, package, transportation and storage of bus electromagnetic glass breaker. This Standard is applicable to the bus electromagnetic glass breaker, which breaks the bus emergency window tempered glass with thickness no greater than 5mm. 2 Normative References The following documents are essential to the application of this document. For the dated documents, only the versions with the dates indicated are applicable to this document; for the undated documents, only the latest version (including all the amendments) are applicable to this document. GB/T 191 Packaging - Pictorial Marking for Handling of Goods GB/T 2423.1 Environmental Testing for Electric and Electronic and Electronic Products - Part 2. Test Methods - Tests A. Cold GB/T 2423.2 Environmental Testing - Part 2. Test Methods - Tests B. Dry Heat GB/T 2423.17 Basic Environmental Testing Procedures for Electric and Electronic Products Test Ka. Salt Mist GB/T 2829 Sampling Procedures and Tables for Periodic Inspection by Attributes (Apply to Inspection of Stability for Productive Process) GB/T 3785.1 Electroacoustics - Sound Level Meters - Part 1. Specifications GB 7258 Safety Specifications for Power-Driven Vehicles Operating on Roads GB 9656 Safety Glazing Materials for Road Vehicles GB/T 15173 Electroacoustics - Sound Calibrators GB/T 18655 Vehicles Boats and Internal Combustion Engines - Radio Disturbance Characteristics – Limits and Methods of Measurement for the Protection of on- Board Receivers 4.1.5 After the product is power on, start the control switch; the tempered glass of the car emergency window shall be broken within 1s effectively. 4.1.6 In addition to the corresponding electromagnetic glass breaking function, the product shall also have the manual glass breaking function, which shall be used repeatedly. The product’s manual glass breaker is equipped with alarm device; when starting the manual glass breaking function, the alarm device shall sound an alarm. 4.1.7 After the product breaks the glass, the product impact head shall be free of deformation or falling off; there is no crack or looseness at each joint of the casing. 4.2 Control switch 4.2.1 The control switch shall be installed in a position that is easy for the driver of the vehicle to handle; and shall have an operational icon prompt. 4.2.2 The switch shall have a protection mechanism to prevent the false triggering; the protection mechanism shall be easy to open. 4.2.3 The switch shall have a line connection indication; there shall be an alarm indication when the failure occurs. 4.3 Product installation 4.3.1 The product impact head axis shall be perpendicular to the window glass plane. The product shall be installed on the column or beam of the bus emergency window; the installation height shall be within the range of 1000mm~1700mm above the bus floor. 4.3.2 The product base shall be fixed firmly; there is no looseness. 4.3.3 The vicinity of the product shall be marked with the graphic operation method; the font height shall be greater than or equal to 10mm. 4.4 Flame resistance The flame resistance of the non-metallic materials in product shall conform to the provisions of GB 7258. 4.5 Product protection performance The product protection performance shall meet the requirements of 3.6 in QC/T 413- 2002. 4.6 Product resistance to abnormal power supply voltage 4.6.1 Resistance to power polarity reverse connection requirements of 4.3. 5.1.1.3 Power on the product; start the control switch; the product’s test results on the electromagnetic glass breaking shall meet the requirements of 4.1.5~4.1.7. 5.1.2 Manual glass breaking 5.1.2.1 Production of test device. select the area at least 4.0×105mm2 (such area can embed a rectangle of 500mm×700mm); tempered glass with thickness of 5mm meeting the requirements of GB 9656; fix the glass on the window frame by the actual (simulate the actual) loading state. 5.1.2.2 Install the product on the test device; the installation shall meet the requirements of 4.3. 5.1.2.3 Close the control switch; unplug the manual fuse pin; start the manual window handle of the product. 5.1.2.4 Connect the 1kg of iron ball to the bracket with a string as shown in Figure 1; raise the iron ball from position 2 (handle center position) to the position 1 with height of 170mm; put down the iron ball; so that the iron ball can hit the center of the handle at position 2. 5.1.2.5 Product test results on manual glass breaking. break the glass; i.e. the manual glass breaking of the product is qualified. Figure 1 -- Schematic Diagram of Manual Glass Breaking Test 5.2 Noise test Unit. mm Iron ball GlassRectangle frame Iron ball Electromagnetic glass breaker Table 4 -- Correction Value of the Background Noise Unit. dB(A) 6 Inspection Rules 6.1 Inspection classification The product inspection includes the exit-factory inspection and type inspection. 6.2 Exit-factory inspection 6.2.1 The product shall be inspected qualified by the quality inspection department of the manufacturer; and then leave the factory after the certificate is issued. 6.2.2 The exit-factory inspection items include the product appearance and electrical performance parameters; sampling inspection is carried out by visual examination; the number of sampling shall be 3% of each batch of products; at least 3 pieces. 6.3 Type inspection 6.3.1 In one of the following cases, the type inspection shall be carried out. a) Trial-type identification when new or old products are transferred to other factories; b) After the formal production, if the equipment, raw materials, and process have major changes, which may affect the product performance; c) When there are major changes in materials and processes that may affect the product performance; d) During the normal production, products produced in large quantities shall be inspected for at least once every 2 years; e) When there is a significant difference between the exit-factory results and the previous type inspection; f) When the production is resumed after more than one-year shutdown; g) When the national quality supervision department proposes to carry out type inspection; h) When the customers have special requirements. Difference between measured noise and the background noise Correction value ......
 
Source: Above contents are excerpted from the PDF -- translated/reviewed by: www.chinesestandard.net / Wayne Zheng et al.