ARMY MIL-PRF-62546 C-2010 SENSOR FIRE OPTICAL《光学火灾信号传感器》.pdf
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1、 Comments, suggestions, or questions on this document should be addressed to U.S. Army RDECOM, Tank Automotive Research, Development and Engineering Center, ATTN: RDTA-EN/STND/TRANS MS#268, 6501 E. 11 Mile Road, Warren, MI 48397-5000 or emailed to DAMI_STANDARDIZATIONconus.army.mil. Since contact in
2、formation can change, you may want to verify the currency of this address information using the ASSIST Online database at http:/assist.daps.dla.mil. AMSC N/A FSC 6665 METRIC MIL-PRF-62546C 26 January 2010 SUPERSEDING MIL-PRF-62546B(AT) 5 January 1998 PERFORMANCE SPECIFICATION SENSOR, FIRE, OPTICAL T
3、his specification is approved for use by the U.S. Army Tank Automotive Research, Development and Engineering Center (TARDEC), Research, Development and Engineering Command (RDECOM), Department of the Army, and is available for use by all Departments and Agencies of the Department of Defense. 1. SCOP
4、E 1.1 Scope. This specification covers two types of optical fire sensor assemblies (OFSAs), components of the Halon 1301 automatic fire extinguishing systems used in military vehicles. The OFSA detects and signals the presence of a hydrocarbon fire requiring a system response (see 6.1). 1.2 Classifi
5、cation. OFSAs will be of the following types, as specified (see 6.2): Type I - Discriminatory Type II - Non-discriminatory 2. APPLICABLE DOCUMENTS 2.1 General. The documents listed in this section are specified in sections 3, 4, or 5 of this specification. This section does not include documents cit
6、ed in other sections of this specification or recommended for additional information or as examples. While every effort has been made to ensure the completeness of this list, document users are cautioned that they must meet all specified requirements of documents cited in sections 3, 4, or 5 of this
7、 specification, whether or not they are listed. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-62546C 2 2.2 Government documents. 2.2.1 Specifications, standards, and handbooks. The following specifications, standards, and handbooks form a p
8、art of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract (see 6.2). DEPARTMENT OF DEFENSE STANDARDS MIL-STD-461 - Requirements for the Control of Electromagnetic Interference Characteristics of Subs
9、ystems and Equipment (See 4.3.1) MIL-STD-810 - Environmental Test Methods and Engineering Guidelines (Copies of these documents are available online at https:/assist.daps.dla.mil/quicksearch/ or from the Standardization Document Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-509
10、4.) 2.2.2 Other Government documents, drawings, and publications. The following other Government documents, drawings, and publications form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contrac
11、t (see 6.2). U.S. ARMY TACOM DRAWINGS 12343265 - Connector, Electrical Receptacle (Interface) 12370458 - Optical Fire Sensor Assembly (Interface) TEST PROCEDURES Nuclear Survivability Criteria - Nuclear Survivability Criteria for the Automatic Fire Extinguishing System (AFES) (U). Document is classi
12、fied “Confidential”. (see 6.9) (Copies of these documents are available from DAMI_STANDARDIZATIONconus.army.mil or U.S. Army RDECOM, Tank Automotive Research, Development and Engineering Center, ATTN: RDTA-EN/STND/TRANS MS #268, 6501 E. 11 Mile Road, Warren, MI 48397-5000.) 2.3 Non-Government public
13、ations. The following documents form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract (see 6.2). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from
14、IHS-,-,-MIL-PRF-62546C 3 ASTM INTERNATIONAL ASTM G21 - Determining Resistance of Synthetic Polymeric Materials to Fungi, Standard Practice for (Copies of these documents are available from www.astm.org or ASTM International, P.O. Box C700, West Conshohocken, PA 19428-2959.) 2.4 Order of precedence.
15、Unless otherwise noted herein or in the contract, in the event of a conflict between the text of this document and the references cited herein, the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has be
16、en obtained. 3. REQUIREMENTS 3.1 First article. When specified (see 6.2 and 6.3), a sample shall be subjected to first article inspection in accordance with 4.1.1. 3.2 Design, materials, and manufacturing processes. Unless otherwise specified (see 6.2), the design, materials, and manufacturing proce
17、ss selection is the prerogative of the contractor as long as all items fully meet the operating, interface, ownership and support, and operating environment requirements specified. 3.2.1 Recycled, recovered, or environmentally preferable materials. Recycled, recovered, or environmentally preferable
18、materials shall be used to the maximum extent possible provided that the material meets or exceeds the operational and maintenance requirements, and promotes economically advantageous life cycle costs. 3.3 Operating requirements. The OFSA shall be designed to function in a military vehicle automatic
19、 fire extinguishing system. The OFSA shall optically detect and signal the presence of a hydrocarbon fire. The OFSA shall provide signals in response to the built-in-test-equipment (BITE), indicating its functional condition. Each OFSA shall provide the following functional, operational, and perform
20、ance capabilities. 3.3.1 BITE. The OFSA shall conduct a total electronic check (see 3.3.3.1.3) when it receives a BITE activation signal on pin E (see table III). Each OFSA shall generate optical stimuli causing the OFSA to generate both a small fire and a large fire signal. The stimuli source may b
21、e external to the OFSA protective window(s). A check for dirty sensor windows shall be included (see 4.3.3.1). 3.3.2 Voltage characteristics. The OFSA shall conform to appendix A without loss of effectiveness and without causing damage or malfunction to interfacing components. The OFSA shall not fal
22、se alarm before, during, or after testing (see 4.3.3.1 and 6.6.3). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-62546C 4 3.3.3 Performance. The OFSA shall be capable of detecting hydrocarbon mist or surface fires, differentiating between l
23、arge and small fires and providing an appropriate output response. Response to a large or small fire shall be an output signal “A” at connector pin C and/or D (see table III). Signal “A” is defined as 10 to 30 volts direct current (Vdc), source output impedance less than or equal to 2000 ohms, load
24、output impedance less than or equal to 20,000 ohms; Quiescent conditions: 1 Vdc maximum, input impedance ( source and load) greater than or equal to 20,000 ohms. Specific response requirements are given in subsequent paragraphs. 3.3.3.1 Response characteristics. The OFSA shall respond to radiation s
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