1、AECMA STANDARD NORME AECMA AECMA NORM Edition approved for publication Comments should be sent within six months after the date of publication to Gulledelle 94 AECMA-STAN 8-1200 BRUXELLES 2001-07-31 prEN 4529-001 Edition P I July 2001 Electrical Domain Mr Peuetta PUBLISHED BY THE EUROPEAN ASSOCIATIO
2、N OF AEROSPACE INDUSTRIES - STANDARDIZATION (AECMA-STAN) Gulledelle 94 - 8-1200 BRUXELLES - Tel. (+32) 2 775 81 10 - Fax. (+32) 2 775 81 11 CS: 49.060 Descriptors: Aerospace industry, aircraft equipment, connectors, sealing, plug ENGLISH VERSION Aerospace series Elements of electrical and optical co
3、nnection Sealing plugs Part 001 : Technical specification Srie arospatiale Luft- und Raumfahrt Obturateur dtanchit Verschlu-Stopfen Organes de connexion lectrique et optique Partie O01 : Spcification technique Elektrische und optische Verbindungselemente Teil 001: Technische Lieferbedingungen This “
4、Aerospace Series“ Prestandard has been drawn up under the responsibility of AECMA-STAN (The European Association of Aerospace Industries - Standardization). It is published on green paper for the needs of the European Aerospace Industry. It has been technically approved by the experts of the concern
5、ed Domain following member comments. Subsequent to the publication of this Prestandard, the technical content shall not be changed to an extent that interchangeability is affected, physically or functionally, without re-identification of the standard. After examination and review by users and formal
6、 agreement of AECMA-STAN it will be submitfed as a draft European Standard to CEN (European Committee for Standardization) for formal vote. Page 2 prEN 4529-001 : 2001 Contents I 2 3 4 5 6 7 8 9 10 11 12 13 Normative references . Definitions . . . Conditions of use Design and description . . . . . .
7、 . . . Designation and marking Delivery condition . . . . . . 3 3 3 3 4 4 4 4 7 9 9 9 9 Page 3 prEN 4529-001: 2001 I Scope This standard specifies: - the electrical, mechanical, environmental and dimensional characteristics of sealing plugs used in elements of electrical and optical connection; - th
8、e conditions for qualification, acceptance testing and quality assurance; - the test programmes and groups. 2 Normative references This European Standard incorporates by dated or undated reference provisions from other publications. These normative references are cited at the appropriate places in t
9、he text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to
10、applies. IS0 2859-1 EN 2591* EN 2591-1 O0 EN 2591-101 EN 2591-306 EN 3042 M I L-H DBK-454A Sample procedures for inspection by attributes - Part 1 : Sampling schemes indexed by acceptable quality limit (AQL) for lot-by-lot inspection Aerospace series - Elements of electrical and optical connection -
11、 Test methods Aerospace series - Elements of electrical and optical connection - Test methods - Part 100: General 1) Aerospace series - Elements of electrical and optical connection - Test methods - Part 101: Visual examination Aerospace series - Elements of electrical and optical connection - Test
12、methods - Part 306: Mould growth Aerospace series - Quality assurance - EN aerospace products - Qualification procedure General Guidelines for Electronic Equipment 2) 3 Definitions For the purposes of this standard, the definitions in EN 2591-100 shall apply. Sealing plug. An accessory used to fill
13、grommet cavities in an element of connection 4 Conditions of use The sealing plug shall provide an environmental seal in unused cavities when used in elements of connection, throughout the temperature ranges specified below: - class P: maximum operating temperature + 125 OC; - class R: maximum opera
14、ting temperature + 150 OC; - class S: maximum operating temperature + 200 OC; - class T: maximum operating temperature + 260 OC; - class U: maximum operating temperature + 350 “C. * 1) Published as AECMA Prestandard at the date of publication of this standard. 2) Published by: Department of Defense
15、(DOD), the Pentagon, Washington D.C. 20301 USA All parts quoted in tables 1 and 3 Page 4 prEN 4529-001: 2001 Designation of the test Applicable Visual examination X 5 Design and description Refer to the relevant product standard. 6 Dimensions and mass The dimensions of the sealing plugs and their ma
16、ss shall be as defined in the product standard. 7 Operation Tools for installing and extracting the sealing plugs shall be defined in the product standard. 8 Tests The tests of EN 2591, applicable in the context of this standard as well as the details necessary for implementing them and for inspecti
17、ng sealing plug characteristics are given in table I. All the tests shall be carried out without elements of connection unless otherwise specified in table 1 Not applicable 102 20 1 202 203 204 205 206 207 208 209 21 o 211 a 212 a continued - Examination of dimensions and mass X Contact resistance -
18、 low level Contact resistance at rated current X X Electrical continuity at microvolt level Discontinuity of contacts in the micro- second range X X Capacitance 1 Ix Housing (shell) electrical continuity Measurement of insulation resistance Voltage proof test I I X X X Temperature rise due to rated
19、current Current temperature derating Electrical overload 1 Details X X X Initial examination: Details to be examined: - identification of materials in accordance with the product standard - identification - marking - surface roughness In accordance with the product standard Surface transfer impedanc
20、e I X The insulation resistance shall be 100 MS2 min at 500 V d.c. using flat probes positioned across the smallest diameter. Page 5 prEN 4529-001: 2001 - Immersion at low air pressure Fluid resistance e X Table 1 (continued) Ozone resistance Flammability - Designation of the test X Applicable - Not
21、 applicable - Details - 21 3 Shielding effectiveness from I O0 MHz to 1 GHz 214 a X Lightning strike, current and voltage pulse Engagement of contacts 21 6 X 220 by I ContactlConductor joint ageing current and temperature cycling X 30 1 Endurance at temperature Conduct within element of connection.
22、Method E! but withoui mechanical load or electrical monitoring, temperature and duration in accordance with the product standard. X I Climatic sequence 302 X Cold/low pressure and damp heat Damp heat steady state X X 303 304 305 Rapid change of temperature Ix Requirement: See product standard. Mould
23、 growth X Requirement: See product standard. Nil growth No prior washing 306 I Salt mist 307 X Sand and dust I X 308 309 Dry heat Cold X X 310 31 1 X Low air pressure Air leakage X 312 Driving rain (artificial) I X 31 3 314 X 31 5 316 - See product standard. X 31 7 318 - X Fire-resistance Gas-tightn
24、ess of solderless wrapped connections X 31 9 - 320 X Simulated solar radiation at ground level Damp heat, cyclic test Hermeticity 32 1 322 c_ X X ontinued Page 6 prEN 4529-001: 2001 - Designation of the test Thermal shock Interfacial sealing Table 1 (continued) - Applicable Not Details applicable X
25、X EN2591 323 324 40 1 402 403 404 405 406 407 408 409 41 O 41 1 412 41 3 4 14 415 416 a 417 a 418 a 419 a 420 a 421 a 422 a 424 a 425 a 501 a 502 a 503 a 505 a 506 a 507 a continued Acceleration, steady state Shock X X Mechanical endurance and seals Durability of contact retention system Sinusoidal
26、and random vibration I 1x1 X X Transverse load Mating and unmating forces Contact retention in insert 1x1 X X Axial load I I .x I Insert retention in housing (axial) Insert retention in housing (torsional) X X Holding force of grounding spring Unmating of lanyard release connectors system X X Contac
27、t insertion and extraction forces I 1x1 Contact bending strength Tensile strength (crimped connection) X X Gauge insertion and extraction forces in Stability of male contacts in insert and out of a female contact X X Mechanical strength of rear accessories Free fall X X Locking wire hole strength St
28、ripping force, solderless wrapped connections X X Unwrapping, solderless wrapped connections Use of tools I 1x1 X Soft soldering Restricted entry X X Contact deformation after crimping Contact protection effectiveness (scoop-proof) X X Plating porosity - - X Page 7 prEN 4529-001: 2001 508 a Table 1
29、(concluded) applicable X Measurement of thickness of coating on contacts - - EN2591- I Designation of the test I Applicable 1 Not 7 Details 509 a 512 a Adhesion of coating on contacts X Effectiveness of non-removable fixing of 51 3 a 514 a I hermetically sealed connector shell Magnetic permeability
30、X Solderability of contacts with self- X I contained solder and flux I I I 51 5 I Hydrolytic stability I a Published as AECMA Prestandard at the date of publication of this standard In preparation at the date of publication of this standard 9 Quality assurance 9.1 Genera I See EN 3042. 9.2 Condition
31、s for qualification 9.2.1 Gen era I The sealing plugs defined by this standard shall form an integral part of the element of connection in which they are fitted. In the event of a defect, qualification approval of the element of connection shall not be disputed. 9.2.2 See table 2 and the product sta
32、ndard. Sampling and definition of specimens Table 2 9.2.3 Preparation of test specimens When a test requires the sealing plugs to be fitted in the element of connection, a qualified element of connection device shall be used. See table 3. Page 8 prEN 4529-001: 2001 Designation of the test I 9.2.4 Te
33、st programme The qualification tests are defined in table 3 and shall be carried out in the sequence indicated. Test EN 2591-306 is to be performed on materials. If the materials used conform to group 1 of MIL-HDBK-454, Guideline 4, then test EN 2591-306 is not required to be performed. Table 3 - Qu
34、alification tests EN 2591- Measurement of insulation resistance Visual examination GROUP O Visual examination Examination of dimensions and mass Measurement of insulation resistance 206 1 o1 101 102 5 5 5 5 5 5 25 25 25 25 25 25 206 5 25 GROUP I Endurance at temperature I 301 I Measurement of insula
35、tion resistance Visual examination Measurement of insulation resistance I 206 1 o1 206 I Visuai examination I 101 GROUP 2 Rapid change of temperature Measurement of insulation resistance Visual examination 305 ZU6 1 o1 (GROUP 3 I Mould growth 306 GROUP 4 Fluid resistance Visual examination 31 5 1 o1
36、 GROUP 5 Flammability 31 7 GROUP 6 Hydrolytic stability 515 a 22 All 10 Remarks 10 25 samples (any sizes) See 9.2.4 a In preparation at the date of publication of this standard Page 9 prEN 4529-001: 2001 9.3 Inspection conditions EN 2591-101: visual examination Sampling limit: S3 (in accordance with
37、 IS0 2859-1) Acceptable quality limit: 1 % 9.4 Maintenance of qualification See EN 3042. io Designation and marking 10.1 Designation EXAMPLE: Description block Identity block Sealing plug EN4529-00XXj Standard number Model (see product standard) Size code (see product standard) - X NOTE If necessary
38、, the originator code 19005 shall be placed between the description block and the identity block. 10.2 Marking Marking on the part is not mandatory. If required the sealing plugs shall bear the manufacturers mark in a non-active area. When specific identification is necessary, such as high temperatu
39、re requirement, it shall be in the product standard. 11 Delivery condition Any special requirements for the delivery condition shall be indicated by the product standard. 12 Packaging The sealing plugs shall be packed in a rigid container to prevent damage. A label inserted in the packaging shall state the identification and quantity of sealing plugs. 13 Sto rag e Storage shall be in place free from ultraviolet rays. Every five years, an inspection shall be made in accordance with test EN 2591-101. The date of inspection shall be marked on the new packaging.
