NAVY MIL-T-15844-1950 TEMPERATURE MEASURING SET AN TSQ-4( )《 AN TSQ-4( )温度测量仪器》.pdf
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1、f MIL-T-15844 bb 777770b 0127056 B f- MIL-T- 15844(SHtPS) 15 November 1950 MILITARY SPECIFICATION TEMPERATURE MEASURJNG SET AN/TSQ-4( ) 1, SCOPE 1.1 This specification covers one type of Temperzturc Measwing 2, APPLICABLE SPECIFICATIONS 2.1 Specifications; - The following specifications, of the issu
2、e in effect Set, AN/TSQ-4( ). (See 3.2. i) on date of irivitation for bids, form a part of this specification: Military Specifications JAN-P-658 - Packaging and Packing of Electrical Equipment and Spare Parts (Electronic, Electrical and Electro- Mechanical). MIL-E-2036 - Enclosures (Non-Rotating Ele
3、ctrical Equipment) (Naval Shipboard Use) , MIL-C-5015 - Connectors; Electrical, MIL-E.-15685 - Electronic Equipment for Service Test (Ship ad Shore): General Specification. Navy Department Specifications General Specifications for inspection of Material 16E6 - Electronic Spare Parts Requirements: In
4、structions for 4OT9 - Tests; Shock, Vibration, and Inclination (for Special Equipment): Determining. General Specification. (Army. - Copies of specifications should be obtained from the procuring agency or as directed by thzt agency Both the title and identifying number or symbol should be stipulate
5、d when requesting copies, ) (Navy- Copies of Military (including joint Army-Navy anf %th the tihie and identifying number or symbol should be stipulated when requesting copies, ) (Air Force. - Copies of Military (including hint Army-Navy and National vilit6mishment) specific (e) Power stippy. 3.3.1.
6、1 Thermo-detectors, - Tht; thermo-detectors shall be temperature sensitive resistors, responsive over a temperature range of 400“ to 1500“Fa 3.3, I. 1.1 Construction, - The thermo-detectors shall. contain a resistor winding mounted in the end f 8 protective tubing, This tubing shall also serve as th
7、e grounded electrical lead or the resistor winding, The other lead shall be a platinum-iridium wire installed internally in the psotective tubing and insulaked therefrom with high temperature cement specCied in 3.1.1. The overall length of the assembled thermo-detectom shall be approximately 6 inche
8、 for installation in the turbine blading and connection to the coup33ng.hub. (See 3.3. 1.2) . 3.3.1.1.2 Sensitive element, - The sensitive element shall be a Lrni.4 rhodium wire, The cold resistance (at ambient temperature) shall be approximately 5.5 ohms ranging to approxmat,ely 20 ohms at 1500F. T
9、he rhoium wire shall be wound around the end of the internal lead wire. The lead wire shall first.be insulated by coating with high temperature cement (see 3.1.1. (d) prior to installation of the rhodium wire. The winding shall oceuppy approximately 1/4 inch space on the end of the lead wire. After
10、winding, a connection tab shall be welded to one end of th lead wire. The winding shall. then be covered with insulatiri9 cement (except the tab). A simllar tab shall be cut in the wall of the protective tubing and the resistor assembly inserted. The two tabs shall bc welded shut to seal the assembl
11、y and csmp?.ete electrical connections, 3,3,1,1,3 Protective tubin . - The protective tubing for the thermo- detectors shall be + incone or other high temperature material of equal grade (see 3,1,1, (a) of 0,040 inch outside diameter. Licensed by Information Handling ServicesMIL-T-15844 66 m 7977906
12、 0129060 T m - MIL-T- 15844(SHIpS) 3.3. 1. 1. 4 Thermal .shock. - The assembled thermo-detectors shaU be capable of withstanding thermal shock of repeated heating and cooling from ambient tempeeatures to 1500F., without mechanical or electrical failure of any sort. 3.3.1.1.5 Acceleration. - The ther
13、rzo-detectors shall also be capable of resisting accelerations encountered at speeds up to 25,000 rpm, concurrent with high temperatures of turbine operation, 3.3.1.2 Coupling, hub assembly, - The four assembled.thermo-detectors shall be held in place on the turbo-superch;irgerwheel by means of a co
14、upling hub, 3.3.1.2.1 Construction. - The hub shall be a metallic disc with the outer face turned down to a flat conical surface, The conical angle of this face exWu!iedshall align with the holes bored in the turbine disc for retention of the rmo-de tec tor s. 3,3. I. 2.2 Thermo-detector mounting, -
15、 Four clamps shall be installed on the conical surface of the hub. The clamps shall be contoured to fit the thermo-detectors snugly without crushing. These clamps shall be capable of holding the thermo-resistors against stress of rotation. (See 3.3.11.5) 3.3.1.2.3 Thermo-detector junction. - The the
16、rmo-detector leads shall extend through thc clamps to four electrical junctions. These junctions shall connect the intsrnal lead wires of the thermo-resistors to high temperature flexible lead wires. The lead wires shall run through the center of the hub and shall extend through the drilled center o
17、f the turbo-supercharger shaft, 3.3,1.3 Electronic commutator asSernbly. - A non-contacting. radio frequency commutator assembly shall be provided which shall couple the thermo-detectors sequentially to the RF generator Emd the computer- Indicator as se mbly . 3,3,1,3.1 Construction. - The commutato
18、r shall consist of the following: (a) C.ommutator disc and shaft. (b) 3earing yoke and mounting base. (c) Rotating terminal. disc. (d) Mechanical coupling. (e), Thrnial modulator coil assembly, (f) statax- puise transmitter coiL (g) Stator pulse receiver coil. (h) Synchronizing coils md ring holder.
19、 - 5 Licensed by Information Handling ServicesMIL-T-15844 bb 777770b 0129Ob1 I MILr T-158 4 4 (SHIPS) 3.3,I. 3.1,1 Commutator disc and shaft, - The commutator shall be an aluminum disc provided with five mounting boles spaced radially around the sides of the disc for mounting the thermal modulator c
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