1、CEN PREN*259L (PART*C24) 92 3404589 O026943 L Edition approved for publication 1992-06-05 A, E. C. M .A. STAN DARD prEN 2591 Comments should be sent within six months C2 Chairnian after the date of publication decision A.E.C.M.A. Technopolis - 175, rue Jean-Jacques Rousseau 921 38 Issy-les-Moulineau
2、x Cdex - FRANCE M. J. LE CUNFF NORME A.E.C.M.A. A.E.C.M.A. NORM Part C24 Issue P 1 June 1992 DIT PAR LASSOCIATION EUROPENNE DES CONSTRUCTEURS DE MATERIEL AROSPATIAL Technopolis - 175, rue Jean-Jacques Rousseau - i-921 38 Issy-les-Moulineaux Cdex - Tl. (1 ) 47.36.98.76 UDC : Key words : ENGLISH VERSI
3、ON Aerospace series Elements of electrical and optical connection Test methods Part C24 - Interfacial sealing Srie arospatiale Luft- und Raumfahrt Mthodes dessais Prfverfahren Organes de connexion lectrique et optique Partie C24 - tanchit interfaciale Elektrische und optische Verbindungselemente Tei
4、l C24 - Stirnflchendichtheit This (Aerospace Series. pre-standard has been drawn up under the responsibility of AECMA (Association Europenne des Constructeurs de Matriel Arospatial. It is published on green paper for the needs of AECMA-Members. It has been technically approved by the experts of the
5、concerned Commission following comment by the Member countries. Subsequent to the publication of this pre-standard, 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 an
6、d signature of the AECMA Standard Checking Centre (NPS) and formal agreement of the Official Services of the Member countries it will be submitted as a draft European Standard to CEN (European Committee for Standardization for final vote. CEN PREN*Z531 (PART*CZ4) 92 3404589 0026344 3 prEN 2591-C24 P
7、age 3 6 1 Scope and field of application This standard specifies a method of checking the interfacial sealing of elements of connection. It shall be used together with EN 2591. 2 References EN 2591 Aerospace series - Elements of electrical and optical connection - Test methods - General EN 2591 -86
8、Aerospace series - Elements of electrical and optical connection - Test methods - Part B6 - Measurement of insulation resistance 1) E EN 259 1 -B7 Aerospace series - Elements of electrical and optical connection - Test methods - Part B7 - Voltage proof test 1) EN 2591-Cl 1 Aerospace series - Element
9、s of electrical and optical connection - Test methods - Part CI 1 - Low air pressure 2) EN 259 1 -C14 Aerospace series - Elements of electrical and optical connection - Test methods - Part C14 - Immersion at low air pressure 2) 3 Preparation of specimens 3.1 The specimens shall be mated, wired and f
10、itted with their normal accessories according to the technical specification. Only the central cavity of the specimens shall not be fitted with a contact. The non-wired cavities shall be fitted with filler plugs. For specimens in which the wiring connection zone is not protected (for example : solde
11、red contact), a means of protection shall be used. 1) In preparation at the date of publication of the present standard. 2) Published as AECMA pre-standard at the date of publication of the present standard. Previous page is blank CEN PREN*Z59L (PART*C24) 92 3404589 0026945 5 U prEN 259 I -C24 Page
12、4 3.2 Unless indicated in the technical specification, the following details shall be specified : - number of specimens, - type of wire, I minimum value of the insulation resistance, - value of the voltage for test EN 2591-B7, - value of the pressure. 4 Apparatus It shali be similar to that of test
13、EN 2591-C4. 5 Method 5.1 Initial measurements (if applicable) Following test EN 259 1 -CI 1. 5.2 Procedure Immersion of specimens shall be carried out in accordance with test EN 2591 -C14. 5.3 Final measurements and requirements - EN 259 1 -B6 - Measurement of insulation resistance ; - EN 259 1 -B7 - Voltage proof test.
