1、CEN PREN*2591 (PART*D14) 92 3404589 0026993 5 W Edition approved for publication Comments should be sent within six months after the date of publication decision A, E .C. M .A. STAN DAR D NORME A.E.C.M.A. A.E.C.M.A. NORM C2 Chairman prEN 2591 Part DI 4 Issue P 1 June 1992 1992-06-05 . DITE PAR LASSO
2、CIATION EUROPENNE DES CONSTRUCTEURS DE MATERIEL AROCPATIAL Technopolis - 175, rue Jean-Jacques Rousseau - F-92138 Issy-les-Moulineaux Cdex .- Tl. (1 ) 47.36.98.7s A.E.C.M.A. Technopolis - 175, rue Jean-Jacques Rousseau- 921 38 issy-les-Moulineaux Cdex - FRANCE UDC : Key words : ENGLISH VERSION Aeros
3、pace series Elements of electrical and optical connection Test methods Part DI4 - Unmating of lanyard release connectors Srie arospatiale Luft- und Raumfahrt Mthodes dessais Prfverfa hren Organes de connexion lectrique et optique Partie DI 4 - Aptitude au dsaccouplement Elektrische und optische Verb
4、indungselemente Teil DI 4 - Trennung von Steckverbindern des connecteurs largables mit Kabelzugentriegelung 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
5、needs of AECMA-Members. It has been technically approved by the experts of the 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 o
6、r functionally, without re-identification of the standard. After examination and 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 CEAI (European Committee for Standardizati
7、on) for final vote. M. J. LE CUNFF aecma 1992 CEN PREN*259L (PART*DL4) 92 m 3404589 0026994 7 W prEN 259 1 -D 14 Page 3 -.- 1 Scope and field of application This standard specifies a method of assessing the ability of the mechanisms for locking and release. It shall be used together with EN 2591. 2
8、References f k L EN 2591 Aerospace series - Elements of electrical and optical connecllm - Test methods - General EN 259 1 -Al Aerospace series - Elements of electrical and optical connection - Test methods - Part AI - Visual examination 1) EN 259 EN 259 -BI Aerospace series - Elements of electrical
9、 and optical connection - Test methods - Part BI - Contact resistance - Low level -B2 Aerospace series - Elements of electrical and optical connection - Test methods - Part B2 - Contact resistance at rated current 1) EN 2591 -B7 Aerospace series.- Elements of electrical and optical connection - Test
10、 methods - Part B7 - Voltage proof test I) EN 259 1 -C1 O Aerospace series - Elements of electrical and optical connection - Test methods - Part CIO - Cold 2) EN 259 1 -C13 Aerospace series - Elements of electrical and optical connection - Test methods - Part C13 Driving rain (artificial) 2) EN 259
11、1 -D8 Aerospace series - Elements of electrical and optical connection - Test methods - Part D8 - Mating and unmating forces 2) 3 Preparation of specimens 3.1 The specimens shall be fitted with all their contacts wired and be mated. 3.2 Unless indicated in the technical specification, the following
12、details shall be specified : - mating and unmating forces, - contact resistance, - angle of application of the pull-out force, - type of cable, - number of tests per direction, - value of the test voltage. 1) In preparation at the date of publication of the present standard. 2) Published as AECMA pr
13、e-standard at the date of publication of the present standard. r Previous page is blank CEN PREN*259L (PART*DL4) 92 I 3404589 0026995 9 prEN 259 1 -D14 Page 4 4 Apparatus The test equipment shall provide a pulling speed of (5,5 I 0,5) m/s after a travel of 30 mm. 5 Method 5.1 Initial measurements Th
14、ey shall be carried out in accordance with the technical specification. 5.2 Procedure The specimens shall be submitted to test EN 2591-C13 - driving rain, except 5.1, 5.3.1 and 5.3.2, and then to test EN 2591-CIO - Cold, at a temperature of (-55 f 2) OC for one hour. Then, within 2 min, the specimen
15、s shall be mounted on the equipment and unmating shall be carried out in the four directions defined in figure 1. The angle CY of the cone shall be stipulated in the technical specification. a Figure 1 The unmating force shall be applied after the lanyard has first of all been made taut without stre
16、ss. This test shall be carried out for the number of times indicated in the technical specif cation. 5.3 Final measurements (if applicable) - EN 2591-A1 - Visual examination. - EN 2591 -D8 - Mating and unmating forces. - EN 2591-BI ou EN 2591-B2 - Contact resistance. - EN 2591-B7 - Voltage proof test.
