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MHT6009-2016 English PDF

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MHT6009-2016: (Aid light cable plug and socket)
Status: Valid
Standard IDUSDBUY PDFLead-DaysStandard Title (Description)Status
MH/T 6009-2016579 Add to Cart 4 days (Aid light cable plug and socket) Valid

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Basic data

Standard ID: MH/T 6009-2016 (MH/T6009-2016)
Description (Translated English): (Aid light cable plug and socket)
Sector / Industry: Civil Aviation Industry Standard (Recommended)
Classification of Chinese Standard: L23
Word Count Estimation: 23,287
Date of Issue: 22/7/2016
Date of Implementation: 1/10/2016
Issuing agency(ies): Civil Aviation Administration of China

MHT6009-2016: (Aid light cable plug and socket)

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Plug and receptacle connectors for airport lighting cables ICS 29.120.30 L 23 MH Civil Aviation Industry Standard of the People's Republic of China Replace MH/T 6009-1999 Aid light cable plug and socket 2016-07-22 released 2016-10-01 implementation Issued by Civil Aviation Administration of China

Table of contents

Foreword...Ⅱ 1 Scope...1 2 Normative references...1 3 Terms and definitions...1 4 Classification...2 4.1 General...2 4.2 Type...2 4.3 Class...2 4.4 Style...2 4.5 Classification...2 5 Technical requirements...2 5.1 Environmental requirements...3 5.2 Performance requirements...3 5.3 Materials and manufacturing...3 6 Test method...5 6.1 General...5 6.2 Visual inspection...5 6.3 Dimension check...5 6.4 Electrical test...5 6.5 Bonding strength test of type A plug or socket and cable...5 6.6 Mechanical bonding strength test of paired plugs and sockets...6 6.7 Voltage drop measurement...6 6.8 Shell material test...6 6.9 Metal adhesion test...6 7 Inspection rules...7 8 Packaging, transportation and storage...8 Appendix A (Normative Appendix) The structure and size of the plug and socket of the navigation light cable...9

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces MH/T 6009-1999 "Navigation aid lighting cable plug and socket", compared with MH/T 6009-1999, the main technical changes as follows. -Added "Terms and Definitions" (see Chapter 3); - Deleted product naming requirements and style lists, and added classification relationships (see Chapter 4; Chapter 3 of the.1999 edition); --Modified the requirements of ambient temperature (see 5.1;.1999 edition 4.1); --- Increase the mechanical bonding strength requirements of the paired plug and socket (see 5.2.3); -Deleted the requirement that the shell material needs to be vulcanized, and added the conformity declaration and material reporting requirements of the shell material (see 5.3.2.1; 1999 version 4.3.2); --- Deleted the only type II requirements in the assembly requirements for type A pins and jacks (see 5.3.4.1;.1999 edition 4.3.4.1); -Modified the "assembly instructions" requirements (see 5.3.4.2.3;.1999 version 4.3.6); - Deleted the requirement that the "S" symbol on the protective cover is red (see 5.3.5;.1999 version 4.3.5); --Added the requirements for plug and socket marking information (see 5.3.6); --- Increase the test of the elasticity inspection of type II plug (see 6.4); -Modified the requirements for applying test DC voltage in the insulation performance test (see 6.5.1, 6.5.2,.1999 edition 5.1.1, 5.1.2); -Modified the bond strength test of type A plug or socket (see 6.6;.1999 edition 5.2); - Delete some test items of shell material (see.1999 edition 5.7); --- Added metal adhesion test (see 6.8); -Modified the description of the inspection rules (see Chapter 7; Chapter 6 of the.1999 edition); -Modified packaging, transportation and storage requirements (see Chapter 8; Chapter 7 of the.1999 edition); -Modified the plug and socket drawings (see Appendix A;.1999 edition Appendix A). This standard was proposed and interpreted by the Airport Department of the Civil Aviation Administration of China. This standard was approved by the Aircraft Airworthiness Certification Department of the Civil Aviation Administration of China. This standard is under the jurisdiction of the China Academy of Civil Aviation Science and Technology. Drafting organizations of this standard. China Civil Aviation Science and Technology Research Institute, Shanghai Hang'an Airport Equipment Co., Ltd., National Lighting Quality Inspection Center Standard Ministry of Technology, National Optoelectronic Information Product Quality Supervision and Inspection Center. The main drafters of this standard. Liu Yuhong, Shen Jiaqin, Yu Zaidao, Yang Dingguo, Xie Changlin, Xu Xun, Wang Li. The previous published version of this standard is. MH/T 6009-1999. Aid light cable plug and socket

1 Scope

This standard specifies the terms and definitions, classification, technical requirements, Test methods, inspection rules, packaging, transportation and storage. This standard applies to plugs and sockets used in navigation aid lighting cables, isolation transformers and navigation aid lamps.

2 Normative references

The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article Pieces. For undated references, the latest version (including all amendments) applies to this document. GB/T 191 Packaging, storage and transportation pictorial signs GB/T 2423.24-2013 Environmental testing Part 2.Test method Test Sa. Simulate solar radiation on the ground and its test guidelines GB/T 2828.1 Sampling inspection procedure by attributes Part 1.Batch inspection sampling plan retrieved by acceptance quality limit (AQL) GB/T 2941 Rubber Physical Test Method General Procedure for Sample Preparation and Adjustment GB/T 7762 Ozone cracking resistance static tensile test of vulcanized rubber or thermoplastic rubber GB/T 14436 General Rules of Guarantee Documents for Industrial Products

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Plug Cable connection device with positive current-carrying contacts. 3.2 Socket receptacle Cable connection device with negative current-carrying contacts. 3.3 Pin The male current-carrying contact body of the plug. 3.4 Jack socket The female current-carrying contact body of the socket.

4 categories

4.1 General This document divides plugs and sockets into three types and two types, a total of 14 styles. 4.2 Type According to electrical performance and the presence or absence of metal shielding layer, it is divided into the following three types. --Type I. Single contact 25 A, 5 kV, for cables without metal shielding; --Type Ⅱ. double contact 20 A, 600 V; --Type III. Single contact 25 A, 5 kV, for cables with metal shielding layer. 4.3 Class Divided into the following two categories according to the place and method of connection with the cable. --Type A. The plug or socket is molded onto the cable at the factory; --Type B. Assemble and crimp the plug or socket on the cable at the construction site. 4.4 Style This document includes a total of 14 styles of plugs and sockets. See Appendix A for their structure and dimensions. 4.5 Classification relationship The classification of plugs and sockets in this document is shown in Table 1.

5 Technical requirements

5.1 Environmental requirements Under the condition of ambient temperature of -55 ℃～65 ℃, the plug and socket should be able to work continuously in the atmosphere, water and buried underground. 5.2 Performance requirements 5.2.1 Electrical connection The electrical rating of each plug and socket shall not be lower than 4.2.After plugging, when the rated current is passed, type I and type III plugs The voltage drop on the contact pair with the socket should not be greater than 7.5 mV, and the voltage drop on the contact pair between the type II plug and the socket should not exceed 6 mV. 5.2.2 Bonding strength of Type A plugs, sockets and cables The bonding strength between type A plugs, sockets and cables should be able to withstand calculation according to the total cross-section of the cable core wire (strength per unit area is 207 N/mm2) The test tension without damage or disengagement. 5.2.3 Mechanical bonding strength of paired plugs and sockets Each pair of plugs and sockets should be able to withstand a static tension of 44 N without being disconnected. Separate the plug and the socket with a static tension greater than 44 N. Any damage to the plug and socket should be avoided. 5.2.4 Water tightness The shells of plugs and sockets and their metal parts should be watertight. Shells of plugs and sockets, connecting cables and their metal shielding layers There should be water tightness between the lead wires. There should be water tightness between the inserted plug and the socket. 5.2.5 Lead wire of metal shielding layer Type Ⅲ type B plugs and sockets shall have leads made of copper conductor materials with a cross-sectional area not less than 4 mm2 and an exposed length not less than 250 mm line. The lead wire should be crimped on the metal shield of the cable on site and penetrate the shell to the outside. Type Ⅲ type B plugs and sockets should be equipped for Fittings for field docking lead wires. 5.3 Materials and processes 5.3.1 Structure and dimensions The structure and size of each plug and socket shall meet the requirements in Appendix A. 5.3.2 Shell 5.3.2.1 The shells of plugs and sockets should be made of natural or synthetic elastic materials, and the pins and sockets should be completely enclosed to protect and insulate The role of fate. The weight ratio of carbon black to elastic material in the shell material should not be greater than 11.45.The shell material should be exposed to direct sunlight and odor In an oxygen environment. The shell material is directly buried in the ground or immersed in water, and should be able to withstand the erosion of acidic or alkaline soil, deicing fluid, urea or oil. system The manufacturer shall provide a declaration of conformity and a shell material inspection report issued by a third-party inspection agency (national level). 5.3.2.2 The shell materials of Type A plugs and sockets should be made of materials that can be combined with the cable sheath or insulation layer to form a water-tight opening during the production process. Material made. 5.3.2.3 The shells of Type Ⅲ Type B plugs and sockets shall be provided with channels for the lead wires of the metal shielding layer to pass through the shells, as shown in Figure A.13 and diagrams. A.14.The channel should be able to prevent moisture from entering. 5.3.3 Pins and jacks 5.3.3.1 The pin of the B-type plug and the jack end of the B-type socket shall be provided with a sleeve for crimping the cable. After crimping the cable, insert pins and insert The hole should not show damage. 5.3.3.2 The copper content of the materials used for the pins and sockets should not be less than 98%. 5.3.3.3 The jack should be fully annealed and seamed. In order to ensure the insertion, the jack should have sufficient contact pressure and good electrical properties as specified in 5.2.1 contact. In order to prevent the insulating filler from entering, a spring sleeve made of beryllium copper alloy should be added to the jack. 5.3.3.4 The pin should be made of at least "semi-hard" copper material, and the crimping part of the cable should be fully annealed, and the contact part should retain the original hardness. After crimping the cable, the metal of the non-crimping parts of the pins and jacks should not be damaged. The transition of hardness from soft to hard should be limited to the locking part of the pin. The pins of style 3 (see Figure A.3) and style 13 (see Figure A.13) plugs shall be provided with visible marks indicating the assembly position. 5.3.4 Assembly 5.3.4.1 Class A 5.3.4.1.1 The pins and sockets should be fixed on the end surface perpendicular to the shell. After the cable is electrically and mechanically connected to the pin or socket, press 5.3.2 The provisions are molded in the shell. 5.3.4.1.2 The rated voltage of the cable crimped to the pin or jack should not be greater than the rated voltage of the plug or socket. It is advisable to use a rated voltage equal to A cable with a plug or socket rated voltage. 5.3.4.1.3 After the Ⅱ type plug is molded, there should be a certain degree of elasticity between the two pins to facilitate the docking with the socket. 5.3.4.2 Type B 5.3.4.2.1 Type Ⅰ and Type Ⅲ 5.3.4.2.1.1 The plug or socket shall be manufactured according to the dimensions shown in Figure A.3, Figure A.10, Figure A.13 and Figure A.14 according to its style. Per socket A sleeve made of high-density (straight-chain) polyethylene covering the plug end shall be equipped. Note. When assembling, the sleeve is used to contain the overflowing silicone grease, which can be disposed of after use. 5.3.4.2.1.2 Each socket shall be equipped with a needle body made of high-density (linear) polyethylene. When assembling, the pins should ensure that the shell The silicone grease inside is properly dispersed. Note. When assembling, the needle body is used to prevent silicone grease from entering the socket, and can also be used as a sign to verify whether the socket is assembled correctly, and can be disposed of after use. 5.3.4.2.1.3 A sufficient amount of silicone grease should be put into the plug and socket to ensure that there is no gap inside the plug and socket after assembly. 5.3.4.2.1.4 The cable entry end of each shell shall be equipped with a transport protection cover. There should be a hole of appropriate size on the protective cover Air enters and exits, and can prevent silicone grease from overflowing. 5.3.4.2.2 Type Ⅱ 5.3.4.2.2.1 The plug and socket components shall include two parts. the component shell and the insert component. The pins and sockets should be fixed on the two The vertical position of the end face shall meet the requirements of 5.3.4.1 after assembly. 5.3.4.2.2.2 The component shell and the insert component shall be molded according to the structure and dimensions shown in Figure A.4, Figure A.5, Figure A.11 and Figure A.12, and Meet the requirements of 5.3.2. 5.3.4.2.2.3 After the plug and socket are assembled, a watertight seal should be formed to prevent moisture from entering the shell. 5.3.4.2.3 Assembly instructions An assembly manual should be attached to each type B plug and socket. 5.3.5 Protective cover Before the final connection, a protective cover should be used to protect the plug and socket. The material of the protective cover should be closely matched with the shell material that meets the requirements of 5.3.2. If the socket needs a series short-circuit plug type protective cover, the internal jumper should be connected to the appropriate pin. The mating surface of the protective cover It should be the same as the corresponding plug and molded with an "S" symbol. 5.3.6 Mark The surface of each plug and socket should be molded with clear and permanent markings. The mark should include at least the following information. a) style; b) The name or trademark of the manufacturer.

6 Test method

6.1 General Plugs and sockets should be equipped with cables for electrical tests and physical performance tests. Type B plugs and sockets for testing shall be in accordance with the manufacturer’s The assembly instructions are assembled and equipped with cables (determined according to the style of the plug and socket). The length of the cable should not be less than 0.6 m. Unless otherwise In addition to the regulations, the following tests and inspections should be carried out at an ambient temperature of 25 ℃ ± 5 ℃. 6.2 Visual inspection The appearance inspection should include the following. a) Check whether the material inspection report and conformity declaration of the plug and socket housing provided by the manufacturer meet the requirements of 5.3.2.1; b) Check whether there is insulating filler (silicone grease) or debris in the socket, and check whether the surface of the pin is clean; c) Check whether the casing, polyethylene needle and transportation protective cover specified in 5.3.4.2.1 are complete; d) Check whether there is enough silicone grease in the shell of type B type I, II, III plug or socket, and there is no gap; e) Check whether the pins and sockets are perpendicular to the end surface of the shell; f) Check whether the B-type plugs and sockets are accompanied by assembly instructions and whether the protective cover specified in 5.3.5 is complete; g) Check whether the marks specified in 5.3.6 are complete and clear; h) Check whether the size of the metal shielded lead wires of type III plugs and sockets meets the requirements of 5.2.5.Check between the lead wire and the shell The tightness. 6.3 Dimension check According to the provisions in Appendix A, check the size of the plug and socket, the diameter and length of the pin and jack with a measuring tool. If it exceeds the specified tolerance, It is regarded as unqualified. 6.4 Check the elasticity of type Ⅱ plug Fix the plug, apply a clamping force of 27 N on the pins at a distance of 12.7 mm from the end surface of the shell. When the two pins are clamped inward, the two plugs The gap between the needles should not be less than 3 mm. At a distance of 12.7 mm from the end face of the housing, apply a radial force of 27 N on the pins to move the two pins outward Break apart, the distance between the ends of the two pins should not be greater than 14.3 mm. When force is applied, the plug is fixed and cannot be turned. 6.5 Electrical test 6.5.1 Insulation performance test of plug and socket The test needs to prepare 6 matching test plugs made of nylon or other materials with appropriate insulation strength. Test plug and waiting The matching dimensions of the standard plugs matched with the sockets are matched. Each plug is checked for size with "pass" and "fail" gauges. In the test, each socket is equipped with a cable and a test plug with the cable. When the ambient temperature is 20 ℃ ～25 ℃ Then, immerse the plug and socket in the tap water tank for 24 h. At the end of the 24h immersion, when the socket is still submerged in water, Apply a test DC voltage (15 kV for type I and III, 4.7 kV for type II) for 5 min. Measure with a 500 V megohmmeter within 1 min after power off The insulation resistance between the cable and the metal shield or the cable and the water and the insulation resistance between the wires of the two contact plugs or sockets should be Not less than 25 000 MΩ. When reading the resistance value, the socket is still submerged in water. Sockets that pass this test can be insulated on the corresponding plug Used in performance tests. 6.5.2 Insulation performance test of paired plug and socket After the test according to 6.5.1, each type of plug and socket to be tested shall be connected in pairs, and the The head socket pair is immersed in the tap. When immersed in water, bend each plug and socket pair for 2 minutes, and then bend the connecting cables by their longitudinal axes. Curve 180°, keep this state immersed in water for at least 24 hours. The cable is immersed in the water to a depth of not more than 0.6 m, and the plug and socket are immersed in the water. The penetration depth is not more than 0.3 m. After immersing for 24 hours, apply a test DC voltage (15 kV for type Ⅰ and Ⅲ, 4.7 kV for type Ⅱ) to the plug and socket for 5 min. Break Within 1 min after powering up, use a 500 V megger to measure the insulation resistance between the plug and socket and the wire, and its value should not be less than 25 000 MΩ. Reading At the resistance value, the plug socket pair is still submerged in water. The plug socket pair is still immersed in the water, raise the water temperature to 65 ℃ and keep it for at least 1 h. Use a 500 V megger to measure the balance between the lead and the water The insulation resistance between the wires. If the measured insulation resistance value is less than 10 000 MΩ, it is regarded as unqualified. 6.5.3 Voltage drop measurement The test n......
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