NAVY MIL-P-15238 D-1958 PUBLIC ADDRESS SET TYPE AN PIP-1( )《AN PIP-1()型 有线广播》.pdf
《NAVY MIL-P-15238 D-1958 PUBLIC ADDRESS SET TYPE AN PIP-1( )《AN PIP-1()型 有线广播》.pdf》由会员分享,可在线阅读,更多相关《NAVY MIL-P-15238 D-1958 PUBLIC ADDRESS SET TYPE AN PIP-1( )《AN PIP-1()型 有线广播》.pdf(16页珍藏版)》请在麦多课文档分享上搜索。
1、28 MILP- February 15238D(SEIIPS) 1958 SUPERSEDING MILP-l5238C(sRIPs) 20 September 1956 MILITARY SPECIFICATION PUBLIC ADDRESS SET, TYPE AN/PIP-1( ) 1. SCOPE 1.1 This specification covers the design and construction of a public address set co Basic Design Requirements for. MIL-P-17555 - Preparation fo
2、r Delivery of Electronic Equipment (Except Rotat- ing Electrical FQuipment) and Associated Repair Parts. NAVY DEPARTMENT General Specifications for Inspection of Material. STANDARDS MILITARY MIL-STD-105 - Sampling Procedures and Tables for Inspection by Attributes. MIL-STD-108 - Definitions of and B
3、asic Requirements for Enclosures for Electric and Electronic Equipment. DRAWINGS BUREAU OF SIPS 9-E-4440-L - Receptacle Plug, SBM10 Ampere Double Pole. . with specific procurement functions should be obtained from the procuring agency or as directed by the contracting officer.) (Copies of specificat
4、ions, standards, drawings, and publications required by contractors in connection 3. REQUIREMENTS S. 1 Preproduction sample. - A specified number of preproduction samples, of the public address equipment furnished under this specification shall be submitted to a laboratory designated by the bureau o
5、r agency concerned for performance of the tests specified herein (see 4.2.1 and 6.1). - THIS DOCUMENT CQNTAIblS +!b PAGES. - O Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-3523D 5 m 7779706 0350275 4 m 3.2 General features. - The equipment s
6、hall be in accordance with the following paragraphs Of Specifi- cation MIL-1-983 in addition to the requirements specified herein: (Whenever a requirement of Specifica- tion MILI-983 conflicts with a requirement of this specification, the requirement of this specification shall govern. ) . General i
7、nformation Definitions Materiais, general Stressed or vital parts Substitution of (equal or superior) materials Fungus-inert materials Unacceptable materiais Acceptable materiais Flammable materials Arc-resistant materials Toxic materials Aluminum Magnesium Iron or steel Brass Bronze Copper Copper-b
8、eryllium alloy Copper-nickel alloy Nickel-copper alloy (Monel) Copper-nickel-zinc alloy (nickel silver and German silver) Zinc Other metals Springs (material) Plastics Ceramics Impregnating, filling, potting, embedding and encapsulating compounds Painting Protection against corrosion Bolts, machine
9、screws, studs and nuts Gaskets Locking devices Washers Parts-electrical-general Electron tube or capacitor sockets. Capacitors Variable resistors Transformers Relays Electrical tapes Batteries (see 3. 4.3.3) Switches Fuses (see 3. 5.17) Fuseholders and fuseclips Metallic rectif iers Enclosures-gener
10、al Enclosure-accessibility Enclosure - degree of (see 3.4.2.1. i) Stiffening grooves Minimum sheet metal thickness (water- tight enclosures) Through bolting stuffing tubes Ventilation Size (see 3.4. i) Threaded devices Rounded corners and edges Internal subassembly protection Drilled and tapped hole
11、s Welding Temperature and humidity Accelerated life Ehlt spray Shock, vibration and inclination (see 4.3.10) Primary power circuits (see 3.4.3.2.2 and Personnel protection Shielding atid radio frequency noise reduc- Electrical parts mounting Internal subassembly connection Terminal boards, connector
12、s and terminals Wiring Color coding Electrical insukition Dielectric strength and insulation resistance clearances Airborne audible noise Drawings - general Drawings - preliminary Drawings - working Schematic diagrams Wiring diagram Drawing list Assembly drawings List of onboard repair parts Drawing
13、s - manufacturers Bill of materials Interchangeability and standardization Technical manuals (see 3.8) Repair parts (see 3.4.4) Designation and marking Design for production Reports Workmanship and general examination (vital vibration not required) 3.4.3. 3) tion (see 3.5.19). 3.3 General requiremen
14、ts. - The equipment shall be rugged, lightweight, and portable, and shall be capable of amplifying the audio frequencies for transmitting intelligible speech over extended distances through high ambient noise levels. 2 o Provided by IHSNot for ResaleNo reproduction or networking permitted without li
15、cense from IHS-,-,-MIL-P-1523D 58 m 777970b 0350276 b MILP- 15238D(SHlPS) 3.4 Equipment composition. - The equipment shall consist of the following: (a) Electric megaphone. (b) Amplifier-battery assembly. . (c) Repair parts kit (with repair park and accessories). 3.4.1 Weights and dimensions. - The
16、maximum weights and dimensions of the equipment shall be as follows : (a) Electric megaphone. - Weight - 5-1/2 pounds. Height - 13-1/2 inches. Length - 14-1/2 inches. Horn mouth diameter - 12-1/2 inches. Weight - 22-1/2 pounds. Height - 12 inches. Length - 10-1/2 inches. Width - 6-1/2 inches. Weight
17、 - 70 pounds. Height - 9 inches. Length - 22 inches. Width - 14 inches. () Amplifier battery assembly (complete with amplifier and battery). - (c) Repair paris kit (with repair parts and accessories). - 3.4.1.1 Minor dimensional changes that do not involve changes in component volumes may be made. I
18、- 3.4.2 Electric megaphone. - The electric megaphone assembly shall consist of the following integral components: (a) Microphone and microphone housing. () Horn assembly. (c) Operating handle. (d) Carrying handle. (e) Connecting cable. 3.4.2.1 Microphone housing. - The microphone housing is the rear
19、 metal detachable portion of the megaphone assembly and shall consist of the following parts: (a) Gab control. (II) Rubber mouthpiece. (c) Microphone screen. (d) Connecting cable entrance. 3.4.2.1.1 The microphone housing shall be watertight, and shall be attached by means of screws threaded into me
20、tal inserts on the driver head plate. trol knob is located below the microphone unit and easily accessible from either side. housing and shall be large enough to prevent physical contact between the operators face and any metal portion of the microphone housing when talking into the megaphone. allow
21、 easy removal. A holding groove on the housing to accommodate a projection on the mouthpiece, or vice-versa, is permissible. No screws or similar attaching devices shall be permissible. 3.4.2.1.2 Gain control location. - The gain control shall be so located within the housing that the con- 3.4.2.1.3
22、 Rubber mouthpiece. - A rubber mouthpiece shall be provided on the microphone end of the 3.4.2.1.4 Attachment of mouthpiece. - The mouthpiece shall be secured to the housing in a manner to . 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-152
23、3BD 58 7777706 0150277 B I MIL- P- 15238D(SHIPS) 3.4.2.1.5 Microphone screen. - The microphone face shall be?protected by a metal screen. 3.4.2.1.6 Meqaphone microphone unit. - The megaphone microphone unit shall be of a %ontrolled reluctance? type. 3.4.2.1.7 Microphone cushion. - The microphone uni
24、t shall becushioned in an acoustical absorbent material, such as sponge rubber, to damp out audio frequencies being transmitted through the metal horn and rear housing of the electric megaphone assembly to the microphone unit. the coordinate axis of the horn driver assembly. The exact microphone loc
- 1.请仔细阅读文档,确保文档完整性,对于不预览、不比对内容而直接下载带来的问题本站不予受理。
- 2.下载的文档,不会出现我们的网址水印。
- 3、该文档所得收入(下载+内容+预览)归上传者、原创作者;如果您是本文档原作者,请点此认领!既往收益都归您。
下载文档到电脑,查找使用更方便
10000 积分 0人已下载
下载 | 加入VIP,交流精品资源 |
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- NAVYMILP15238D1958PUBLICADDRESSSETTYPEANPIP1ANPIP1 有线广播 PDF

链接地址:http://www.mydoc123.com/p-980525.html