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1、 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 3733-001 August 2009 ICS 49.060 English Version Aerospace series - Connector, optical, circular, single channel, coupled by self-locking ring, operating temperature up to 150 C continuous - Part 001: Technical specification Srie arospatiale - Con
2、necteur optique circulaire monovoie, accouplement par bague filete, temprature dutilisation 150 C continu - Partie 001 : Spcification technique Luft- und Raumfahrt - Optischer Rundsteckverbinder einpolig, Schraubkupplung, Betriebstemperatur 150 C konstant - Teil 001: Technische Lieferbedingungen Thi
3、s European Standard was approved by CEN on 3 July 2009. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
4、 concerning such national standards may be obtained on application to the CEN Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the respons bility of a CEN member into
5、its own language and notified to the CEN Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
6、Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2
7、009 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 3733-001:2009: E EN 3733-001:2009 (E) 2 Contents Page Foreword 4 1 Scope 5 2 Normative references 5 3 Terminology .5 4 Description .5 4.1 General 5 4.2 Component description 6 4.3
8、 Materials .7 5 Design features 7 6 Definition, dimensions and masses.7 6.1 General 7 6.2 Interface dimensions of the plug .8 6.3 Interface dimensions of the receptacle .9 6.4 Polarization 10 7 Tests . 10 7.1 Tests according to EN 2591-100 10 7.2 Special test high level vibrations e. g. gunfire . 15
9、 8 Quality assurance . 15 8.1 General . 15 8.2 Qualification 15 8.3 Maintenance of qualification . 19 8.4 Acceptance test conditions . 20 8.5 Quality control . 20 9 Designation and marking . 21 9.1 General principle of designation . 21 9.2 Marking 23 10 Delivery conditions . 23 11 Packaging 24 12 St
10、orage . 24 Figures Figure 1 Plug interface dimensions 8 Figure 2 Receptacle interface dimesions . 9 Figure 3 Key-ways . 10 EN 3733-001:2009 (E) 3 Tables Table 1 Key positions 10 Table 2 Tests 11 Table 3 List of the test fluids Class A . 14 Table 4 List of test fluids Class B . 15 Table 5 Sampling .
11、16 Table 6 Programme for qualification approval tests 16 Table 7 Qualification maintenance . 20 EN 3733-001:2009 (E) 4 Foreword This document (EN 3733-001:2009) has been prepared by the Aerospace and Defence Industries Association of Europe - Standardization (ASD-STAN). After enquiries and votes car
12、ried out in accordance with the rules of this Association, this Standard has received the approval of the National Associations and the Official Services of the member countries of ASD, prior to its presentation to CEN. This European Standard shall be given the status of a national standard, either
13、by publication of an identical text or by endorsement, at the latest by February 2010, and conflicting national standards shall be withdrawn at the latest by February 2010. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/o
14、r CENELEC shall not be held responsible for identifying any or all such patent rights. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic,
15、 Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. EN 3733-001:2009 (E) 5 1 Scope This standard specifies t
16、he general characteristics, the conditions for qualification, acceptance and quality assurance as well as the test programs and groups for self-locking ring coupling, single channel, circular fibre- optic connectors intended for operating temperatures up to 150 C for aerospace applications. 2 Normat
17、ive references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 2591-100, Aerospace series Elem
18、ents of electrical and optical connection Test methods Part 100: General1 EN 9133, Aerospace series - Quality management systems - Qualification procedure for Aerospace Standard Parts EN 3197, Aerospace series Installation of aircraft electrical and optical interconnection systems2 EN 3733-002, Aero
19、space series Connectors, optical, circular, single channel, coupled by self-locking ring, operating temperature 150 C continuous Part 002: List of product standards2 ISO 1817, Rubber, vulcanized Determination of the effect of liquids MIL-STD-810F, Environmental engineering Considerations and Laborat
20、ory Tests3 MIL-PRF-7808L, Lubricating Oil, Aircraft Turbine Engine, Synthetic Base3 MIL-PRF-23699F, Lubricating Oil, Aircraft Turbine Engine, Synthetic Base, NATO Code Number O-1563 QPL-5606-31, Hydraulic Fluid, Petroleum Base; Aircraft; Missile and Ordnance3 SAE-AMS 1424, Fluid, Deicing/Anti-Icing,
21、 Aircraft, SAE Type 13 3 Terminology For the purposes of this standard, the definitions given in EN 2591-100 apply. 4 Description 4.1 General All connectors shall be environmentally sealed to the level specified in Table 2. 1 All parts quoted in Tables 2, 6 and 7. 2 Published as ASD prestandard at t
22、he date of publication of this standard. 3 Published by: Department of Defense (DOD), the Pentagon, Washington, DC 20301, USA. EN 3733-001:2009 (E) 6 Connectors shall be thread coupled. Connectors shall incorporate a cable strain relief mechanism, if specified in the product standard. A range of opt
23、ical ferrules (optical contacts) and cable restraint assemblies shall be made available to suit different fibres and cables. Connectors shall be resistant to Class A or Class B fluids as detailed in Tables 4 and 5 dependent upon user requirements. 4.2 Component description 4.2.1 Plug The coupling ri
24、ng permanently fitted on the front plug assembly shall enable the connectors to be coupled and uncoupled. The screwing up torque shall be lower than the unscrewing torque. The coupling ring shall be knurled. The plug connector shall have an anti-vibration mechanism to prevent unintentional un-mating
25、. All plug connectors shall incorporate a split alignment sleeve. 4.2.2 Receptacle The receptacle mounting style may be: a) square flange four holes fixing; b) oval flange two holes fixing; c) by jam-nut, with sealing by “O“ ring at the attachment. Dummy receptacles are also available in the above m
26、ounting styles. 4.2.3 Protective cover Protective covers shall be made available for flange and jam nut receptacles. 4.2.4 Terminator cover Terminator covers shall be made available for receptacles if required. 4.2.5 Ferrule (Optical contact) Ferrules shall be made available as a separate deliverabl
27、e. The ferrule is withdrawn from the rear of a connector. 4.2.6 Strain relief boot Strain relief boots shall be made available as a separate deliverable if required. 4.2.7 Plug sub-assembly Plug sub-assemblies shall be made available as a separate deliverable if required. EN 3733-001:2009 (E) 7 4.2.
28、8 Receptacle sub-assembly Receptacle sub-assemblies shall be made available as a separate deliverable if required. 4.2.9 Epoxy resin Epoxy resin shall be specified as a deliverable if required. 4.3 Materials 4.3.1 General When materials are not specified or not specifically described, they shall be
29、as light as possible consistent with the required use. When similar or dissimilar metals are in close contact, adequate protection against corrosion shall be used for the electromotive force of the cell not to exceed 0,25 V (see EN 3197). 4.3.2 Housings The material of the housings for the connector
30、s and for the fittings shall be of a lightweight, corrosion-resistant material such as passivated stainless steel or nickel-copper alloys as detailed in the applicable product standards. 4.3.3 Ferrules (Optical contacts) The material for the ferrules shall be ceramic (zirconia or alumina), corrosion
31、-resisting steel, or other material as detailed in the applicable product standards. 4.3.4 Seals and strain relief boots The material used for seals and strain relief boots shall be consistent with the required use. 5 Design features The connector shall have five keys on the plug made with five key-
32、ways on the receptacle, for polarisation. The plug and receptacle shall use face contact or physical contact optical ferrule technology. The cable strain relief shall be secured to the connector housing, for plug and receptacle. The optical ferrule in the plug shall be spring loaded. Optical mating
33、faces shall be accessible for cleaning with minimal disassembly. 6 Definition, dimensions and masses 6.1 General The general dimensions and masses for receptacles, plugs, covers, dummy receptacles and ferrules are given in the product standards. Refer to the list given in EN 3733-002. EN 3733-001:20
34、09 (E) 8 6.2 Interface dimensions of the plug See Figure 1. Dimensions in millimetres Key 1 Thread Figure 1 Plug interface dimensions EN 3733-001:2009 (E) 9 6.3 Interface dimensions of the receptacle See Figure 2. Dimensions are in millimetres Key 1 Thread 2 Elastomeric face seal Figure 2 Receptacle
35、 interface dimensions EN 3733-001:2009 (E) 10 6.4 Polarization Polarization is achieved by varying the position of the secondary keys and key-ways relative to the main key or key-way. See Figure 3. Figure 3 Key-ways Table 1 Key positions Dimensions in grade Key position A B C D Normal 105 140 215 26
36、5 A 102 132 248 320 B 80 118 230 312 C 35 140 205 275 D 64 155 234 304 E 91 131 197 240 7 Tests 7.1 Tests according to EN 2591-100 The tests cited in EN 2591-100 are applicable in the context of this standard as well as details necessary for implementing them for inspecting connector characteristics
37、, are given in Table 2. Performance and test method parameters which are fibre and cable dependant, together with environmental testing not applicable to all product standards, are detailed in the appropriate product standards. Tests relating to electrical and multi- way connectors are not applicabl
38、e to EN 3733 components and are therefore not included in Table 2. EN 3733-001:2009 (E) 11 Table 2 Tests EN 2591- Designation of the test Details 6101 Optical elements Visual examination No loosening of parts, cracks, excessive wear, or detached parts. Optical face undamaged and free from contaminat
39、ion when examined at a minimum magnification of 100 101 Visual examination Applicable to protective caps only 102 Examination of dimensions and mass According to Clause 6 and product standards NOTE In the case of a Qualified Inspection System, the parts unrelated to a Product Batch, may be used 6301
40、 Optical elements Endurance at temperature Method B 150 C Time 1 000 h 302 Climatic sequence For performance and test method requirements refer to the applicable product standard for the component and cable under test 6303 Optical elements Cold/low pressure and damp heat Duration five cycles Maximum
41、 temperature ( 65 2) C Measurement during test: at each transition point 304 Damp heat steady state For performance and test method requirements refer to the applicable product standard for the component and cable under test. 6305 Optical elements Rapid change of temperature TA ( 65 5 0) C TB (150 0
42、 5) C 6306 Optical elements Mould growth Not applicable 6307 Optical elements Salt mist The connectors are suspended in the test chamber with non-metallic cords, to prevent accumulation of condensed solution The connectors are subjected to 50 mating/unmating cycles, rate not exceeding to the salt mi
43、st: mated for 452 h, then unmated for 48 h 308 Sand and dust Connector mated and positioned such that rear of free plug faces into the wind direction Wind velocity in duct: (3,5 0,5) m/s Number of cycles: one 309 Dry heat For performance and test method requirements refer to the applicable product s
44、tandard for the component and cable under test. 310 Cold 311 Low air pressure 312 Air leakage Test performed on non-hermetic connectors Method B - Differential pressure: 100 kPa Maximum leakage: 16 106 m3/h 313 Artificial rain For performance and test method requirements refer to the applicable prod
45、uct standard for the component and cable under test 6314 Optical elements Immersion at low air pressure Three specimens shall be tested: one mated pair, one receptacle and one plug fitted with protective cover Pressure: 2 kPa EN 3733-001:2009 (E) 12 Table 2 (continued) EN 2591- Designation of the te
46、st Details 6315 Optical elements Fluid resistance See Tables 3 and 4 for fluids, number of cycles, temperature and time of immersion, and temperature of third phase 6316 Optical elements Ozone resistance For performance and test method requirements refer to the applicable product standard for the co
47、mponent and cable under test 6317 Optical elements Flammability Mated pairs. No dripping of material such as to ignite flammable tissue Burning and afterglow to extinguish within 60 s 320 Simulated solar radiation at ground level For performance and test method requirements refer to the applicable p
48、roduct standard for the component and cable under test 6321 Optical elements Damp heat, cyclic test 322 Hermeticity Hermetic only 6323 Optical elements Thermal shock (Hermeti- cally sealed devices) 6401 Optical elements Acceleration steady state Connectors mated with cable fitted and secured (250 5) mm from the connector Severity: 20 g in each direction of each of three axes 6402 Optical elements Shock For performance and test method requirements refer to the applicable product standard for the component and cable under test. 6403 Op