CN205262520U - Combined type stagnation temperature measuring device - Google Patents
Combined type stagnation temperature measuring device Download PDFInfo
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- CN205262520U CN205262520U CN201521064275.8U CN201521064275U CN205262520U CN 205262520 U CN205262520 U CN 205262520U CN 201521064275 U CN201521064275 U CN 201521064275U CN 205262520 U CN205262520 U CN 205262520U
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Abstract
The utility model provides a combined type stagnation temperature measuring device, including interconnect's combined type sensor and combined type converter, the combined type sensor includes sensor housing, be equipped with the position -sensing unit subassembly that is used for measuring the atmosphere stagnation temperature in the sensor housing, be used for measuring the static tube of atmosphere static pressure and be used for measuring total pressure pipe that the atmosphere was always pressed, the combined type converter includes the converter casing, is equipped with the signal conditioning board in the converter casing, and the signal conditioning board is used for resolving stagnation temperature parameter, static pressure parameter and always presses the parameter. The utility model discloses small, the integrated level is high, can measure atmosphere stagnation temperature, total pressure and static pressure simultaneously to the measurement parameter that to measure resolves to multiple atmospheric parameter. Simultaneously, the device still has the function of real -time deicing in the measurement process to the nondestructive measurement with the static pressure is always pressed to the realization atmosphere.
Description
Technical field
The utility model relates to atmospheric parameter field of measuring technique, is specifically related to a kind of combined type stagnation temperature and surveysAmount device.
Background technology
At present, total Air Temperature when total Air Temperature measurement mechanism is mainly used in the flight of sub-transonic-speed vehicleMeasure. Along with the development of supersonic vehicle, to the requirement of the parameter measuring apparatus such as total Air Temperature more and moreHeight, not only will have stable stagnation temperature recovery coefficient, and need to have combined type measuring multiple parameters, removesIce function and less aerodynamic configuration size, but existing measurement mechanism ubiquity volume is large, measurementThe problem that parameter is single, and do not there is the function of carrying out in real time deicing in measuring process.
Utility model content
The utility model provides a kind of combined type total temperature measurement device, to solve total Air Temperature in prior artThe problem that the large and measurement parameter of measurement mechanism volume is single etc.
The utility model provides a kind of combined type total temperature measurement device, comprises interconnective combined type sensingDevice and combined type converter, described compound transducer comprises and being made up of mozzle, pillar and ring flangeSensor housing, in described sensor housing, be provided with position-sensing unit assembly for measuring total Air Temperature, forMeasure the static tube of atmosphere static pressure and for measuring the stagnation pressure tube of atmosphere stagnation pressure; Described combined type converterComprise converter housing, in described converter housing, be provided with Signal Regulation plate, described Signal Regulation plate is used forResolve the stagnation temperature parameter that measured by described position-sensing unit assembly, described static tube and described stagnation pressure tube respectively,Static pressure parameter and stagnation pressure parameter.
As optimal way of the present utility model, described position-sensing unit assembly, described static tube and described stagnation pressurePipe is located in described mozzle, and described position-sensing unit assembly is connected with cable, and described cable is successively from describedPost extends afterwards and is connected with described Signal Regulation plate with described ring flange, described static tube and described stagnation pressure tubeExtending with described ring flange from described pillar successively, be connected with described Signal Regulation plate.
As optimal way of the present utility model, described cable is by electric connector and described Signal Regulation plateConnect, described static tube connects mouth by impulse respectively with described stagnation pressure tube and is connected with described signal connecting plate.
As optimal way of the present utility model, described mozzle comprises conduit and is arranged on described conduitThe front end assemblies of front end, the sidewall outside of described front end assemblies is provided with helical groove, paving in described grooveBe provided with heater strip.
As optimal way of the present utility model, on the sidewall of described front end assemblies, be respectively equipped with baroport andPitot hole, the front end of described static tube and described stagnation pressure tube is located at respectively described baroport and described pitot holeIn, the axis of wherein said baroport is vertical with the axis of described front end assemblies, the axis of described pitot holeParallel with the axis of described front end assemblies.
As optimal way of the present utility model, described front end assemblies is made up of corronil material.
As optimal way of the present utility model, described Signal Regulation plate is provided with signal sensing unit and ginsengNumber resolves unit, and described signal sensing unit comprises absolute pressure sensing element and differential pressure sensing element, described exhaustedPressure-sensitive sensing unit is connected with described static tube, and described differential pressure sensing element is connected with described stagnation pressure tube; DescribedThe signal conversion electricity that parameter calculation unit comprises multichannel microprocessor and is connected with described microprocessorRoad, described microprocessor also respectively with described absolute pressure sensing element, described differential pressure sensing element and described inPosition-sensing unit assembly connects.
As optimal way of the present utility model, in described converter housing, be also provided with power-switching circuit,Described power-switching circuit is respectively described absolute pressure sensing element, described differential pressure sensing element, described micro-placeReason device and the power supply of described signaling conversion circuit.
The total temperature measurement device of combined type that the utility model provides, volume is little, and integrated level is high, can be simultaneously rightTotal Air Temperature, stagnation pressure and static pressure are measured, and the measurement parameter measuring is resolved as multiple atmosphere ginsengNumber. Meanwhile, the total temperature measurement device of combined type that the utility model provides also has in measuring process real-timeThe function of deicing, thus realize the nondestructive measurement of atmosphere stagnation pressure and static pressure, realize atmosphere ginseng under airborne conditionThe high-acruracy survey of number.
Brief description of the drawings
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, will retouch embodiment belowIn stating, the accompanying drawing of required use is briefly described, and apparently, the accompanying drawing in the following describes onlyBe embodiment more of the present utility model, for those of ordinary skill in the art, do not paying creationUnder the prerequisite of property work, can also obtain according to these accompanying drawings other accompanying drawing.
The combined type sensing of the total temperature measurement device of a kind of combined type that Fig. 1 provides for the utility model embodimentThe structural representation of device;
The combined type sensing of the total temperature measurement device of a kind of combined type that Fig. 2 provides for the utility model embodimentThe internal structure schematic diagram of device;
The combined type conversion of the total temperature measurement device of a kind of combined type that Fig. 3 provides for the utility model embodimentThe structural representation of device;
The combined type conversion of the total temperature measurement device of a kind of combined type that Fig. 4 provides for the utility model embodimentThe functional block diagram of device.
Wherein, 1, front end assemblies, 2, baroport, 3, position-sensing unit assembly, 4, conduit, 5,Seat, 6, rivet, 7, cable, 8, pillar, 9, ring flange, 10, electrical connector plug, 11,Wire pressing block, 12, screw, 13, the first impulse connects mouth, 14, static tube, 15, stagnation pressure tube, 16,Heater strip, 17, pitot hole, 18, installing hole, 19, converter housing, 20, electric connector insertsSeat, 21, the second impulse connects mouth.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing pairThe utility model embodiment is described in further detail.
The utility model embodiment discloses the total temperature measurement device of a kind of combined type, is divided into compound transducerWith combined type converter two parts, wherein compound transducer and combined type converter interconnect. CompoundFormula sensor converts total Air Temperature variable quantity to the changing value of resistance value by sensing element, will survey simultaneouslyAtmosphere stagnation pressure and the static pressure of amount are transferred to combined type stagnation temperature converter; Combined type converter is that combined type passesThe secondary meter of sensor, its function be by the total Air Temperature characterizing with resistance value of compound transducer output,Stagnation pressure and static pressure parameter are carried out atmospheric parameter and are resolved, and realize the accurate measurement to multiple atmospheric parameter.
Shown in seeing figures.1.and.2, compound transducer comprises sensor housing, this sensor housing byMozzle, pillar 8 and ring flange 9 form, and wherein mozzle and pillar 8 are inner hollow structure,The lower surface of pillar 8 is inclined-plane. Mozzle is arranged on the top of pillar 8, and ring flange 9 tilts to be welded onThe below of pillar 8, ring flange 9 is provided with multiple installing holes 18.
Particularly, in the present embodiment, mozzle adopts two-part structure, comprises conduit 4 and is arranged onThe front end assemblies 1 of these conduit 4 front ends, wherein conduit 4 is made up of stainless steel material, front end assemblies 1 byCorronil material is made, and conduit 1 adopts high temperature brazing mode while connection with front end assemblies 4, thereby canEnsure its bonding strength, conduit 1 is arranged on the top of pillar 8 by rivet 6. In conduit 1, be provided withBe useful on the position-sensing unit assembly 3 of measuring total Air Temperature parameter, this position-sensing unit assembly 3 is the responsive group of RTDPart. Position-sensing unit assembly 3 use screws 12 are arranged on a bearing 5, and this bearing 5 has helicitic texture,Conduit 4 inside also have the helicitic texture matching with it simultaneously, and bearing 5 is installed by this helicitic textureIn conduit 4 inside. Position-sensing unit assembly 3 is also connected with cable 7, and cable 7 adopts quad conventionally,The other end of this cable 7 passes pillar 8 and ring flange 9 successively, and extends outside ring flange 9, afterwardsBe connected with electrical connector plug 10. The electric connector adopting in the present embodiment is generally selected aviation electrical connectionDevice, comprises plug and socket two parts. The cable 7 of drawing outside ring flange 9 is fixed by wire pressing block 11, pressesLine piece 11 use screws 12 are fastened on ring flange 9.
In front end assemblies 1, be provided with the static tube 14 and the stagnation pressure that are respectively used to measure atmosphere stagnation pressure and static pressure parameterPipe 15, is respectively equipped with baroport 2 and pitot hole 17 on the sidewall of front end assemblies 1, this static tube 14The front end of front end and this stagnation pressure tube 15 is located at respectively in baroport 2 and pitot hole 17, wherein baroport 2Axis vertical with the axis of front end assemblies 1, the axis of pitot hole 17 is parallel with the axis of front end assemblies 1.Usually, baroport 2 is located on the sidewall of this front end assemblies 1 bottom, and pitot hole 17 is located at this front groupOn the sidewall on part 1 top. In addition, the other end of static tube 14 and stagnation pressure tube 15 is successively through pillar 8With ring flange 9, and extend outside ring flange 9, connect mouth 13 with the first impulse respectively afterwards and be connected. FirstImpulse connects mouth 13 and is welded on ring flange 9, and static tube 14 and stagnation pressure tube 15 insert respectively the first impulse and connectMouth 13 is rear to be ensured to seal with welding.
In addition, the sidewall outside of front end assemblies 1 is also provided with helical groove, is equipped with heater strip in groove16, adopt simultaneously high temperature silver-bearing copper weldering by heater strip 16 sluggings in this groove and smoothing surface. This heater strip16 the other end, successively through pillar 8 and ring flange 9, extends the outer method that is first fixed on afterwards of ring flange 9On blue dish 9, be then further welded on cable 7.
Whole compound transducer is fastened on the covering of aircraft by the installing hole 18 on ring flange 9,Mozzle stretches out boundary-layer work, and high velocity air first carries out stagnation temperature retardance at position-sensing unit assembly 3, stagnation temperature ginsengThe cable 7 that number is drawn through position-sensing unit assembly 3 passes to electric connector, and remaining gas enters in atmosphere. ToolBody ground, air-flow flows into through conduit 4, and after expansion, the Speed Reduction of air-flow, because the shape of bearing 5Shape can change airflow direction, makes its speed drop to predetermined numerical value, and most recovery of kinetic energys become heat energy.This part air-flow enters into resistance and the linear position-sensing unit assembly 3 of temperature around, and furtherEnter in atmosphere, thereby position-sensing unit assembly 3 measures total Air Temperature value. Baroport 2 and stagnation pressure simultaneouslyHole 17 obtains stagnation pressure parameter and the static pressure parameter of air-flow, and passes by static tube 14 and stagnation pressure tube 15 respectivelyPass the first impulse and connect mouth 13. Three tunnel parameters input to combined type converter carries out atmospheric parameter and resolves, withObtain more parameter, as height, speed, Mach number, true air speed, Static Air Temperature etc.
After energising work, heater strip 16 starts heating work, and the front end of being made up of corronil materialAssembly 1 also has good thermal conductivity, can prevent that compound transducer from tying under the high humidity environment condition of high-altitudeIce, brings measure error or fault thereby prevent from freezing. The combined type that the utility model embodiment provides passesSensor, can provide total Air Temperature parameter, stagnation pressure parameter and static pressure parameter accurately, after resolving, can beThe pressure altitude system of rear end provides accurate measurement data.
The compound transducer that the utility model embodiment provides, by the measurement knot of stagnation temperature, static pressure and stagnation pressureStructure and ice prevention structure integrate, and can effectively meet aviation and space flight system for flight control computer and engine controlIn system processed to product miniaturization and integrated requirement.
Shown in Fig. 3 and Fig. 4, combined type converter comprises converter housing 19, this converter housing19 are provided with electric connector socket 20 and the second impulse connects mouth 21, and converter housing 19 inside are provided with signalAdjustable plate, Signal Regulation plate connects mouth 21 with electric connector socket 20 and the second impulse respectively and is connected, and is electrically connectedConnecing device socket 20 and the second impulse connects mouth 21 and further connects with electrical connector plug 10 and the first impulse respectivelyMouth 13 connects, thereby realizes being connected between combined type converter and compound transducer.
Particularly, in the present embodiment, Signal Regulation plate is provided with signal sensing unit and parameter calculation unit.Wherein, signal sensing unit comprises absolute pressure sensing element and differential pressure sensing element, absolute pressure sensing element and poorPressure-sensitive sensing unit connects mouth 21 with the second impulse respectively and is connected, thereby connects mouth by the second impulse successively respectively21 and first impulse connect mouth 13 and realize and being connected of static tube 14 and stagnation pressure tube 15. Absolute pressure sensing elementBe silicon piezoresistance type sensing element with differential pressure sensing element, receive respectively the second impulse and connect quiet that mouth 21 introducesPress parameter and stagnation pressure parameter, and be converted into the data signal being directly proportional to relevant pressure signal.
Parameter calculation unit comprises multichannel microprocessor and signaling conversion circuit, microprocessor respectively with absolutelyPressure-sensitive sensing unit, differential pressure sensing element are connected with signaling conversion circuit, be also connected with electric connector socket 20,And realize and position-sensing unit group by electric connector socket 20, electrical connector plug 10 and cable 7 successivelyThe connection of part 3. It is quiet that microprocessor receives respectively the sign that absolute pressure sensing element and differential pressure sensing element introducePress the data signal of parameter and stagnation pressure parameter, and receive the stagnation temperature parameter that electric connector socket 20 is introduced,And respectively first passage, second channel and the third channel by microprocessor to characterizing static pressure parameter and totalPress data signal and the stagnation temperature parameter of parameter to carry out gamma correction and stagnation temperature error correction, then through signalChange-over circuit carries out signal conversion processes, finally with bus form output signal proportional to atmospheric parameter,Comprise stagnation temperature signal, static temperature signal, stagnation pressure signal, static pressure signal, true air speed signal, Mach number signal,Altitude signal and rate signal.
In converter housing 19, be also provided with power-switching circuit, power-switching circuit is respectively the responsive unit of absolute pressurePart, differential pressure sensing element, microprocessor and signaling conversion circuit power supply.
It should be noted that, mentioned in above-mentioned embodiment of the present utility model " on ", D score," left side ", " right side ", " front " and " afterwards " etc. are all taking the direction shown in each figure as benchmark, and these are used forThe word of restriction direction is only used to be convenient to explanation, does not represent the concrete technical scheme of the utility modelRestriction.
The foregoing is only preferred embodiment of the present utility model, in order to limit the utility model, not allWithin spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., allWithin should being included in protection domain of the present utility model.
Claims (8)
1. the total temperature measurement device of combined type, is characterized in that, comprises interconnective combined type sensingDevice and combined type converter, described compound transducer comprises and being made up of mozzle, pillar and ring flangeSensor housing, in described sensor housing, be provided with position-sensing unit assembly for measuring total Air Temperature, forMeasure the static tube of atmosphere static pressure and for measuring the stagnation pressure tube of atmosphere stagnation pressure; Described combined type converterComprise converter housing, in described converter housing, be provided with Signal Regulation plate, described Signal Regulation plate is used forResolve the stagnation temperature parameter that measured by described position-sensing unit assembly, described static tube and described stagnation pressure tube respectively,Static pressure parameter and stagnation pressure parameter.
2. device according to claim 1, is characterized in that, described position-sensing unit assembly, described quietPressure pipe and described stagnation pressure tube are located in described mozzle, and described position-sensing unit assembly is connected with cable, described electricityCable is connected with described Signal Regulation plate extending with described ring flange from described pillar successively, described static pressurePipe and described stagnation pressure tube are successively from described pillar and described ring flange extend and described Signal Regulation plate companyConnect.
3. device according to claim 2, is characterized in that, described cable by electric connector withDescribed Signal Regulation plate connects, and described static tube and described stagnation pressure tube connect mouth and described letter by impulse respectivelyNumber connecting plate connects.
4. device according to claim 1, is characterized in that, described mozzle comprise conduit andBe arranged on the front end assemblies of described catheter proximal end, the sidewall outside of described front end assemblies is provided with helical groove,In described groove, be equipped with heater strip.
5. device according to claim 4, is characterized in that, on the sidewall of described front end assemblies, dividesBe not provided with baroport and pitot hole, the front end of described static tube and described stagnation pressure tube is located at respectively described static pressureIn hole and described pitot hole, the axis of wherein said baroport is vertical with the axis of described front end assemblies, instituteState the axis of pitot hole and the axis of described front end assemblies is parallel.
6. device according to claim 4, is characterized in that, described front end assemblies is by corronilMaterial is made.
7. according to the arbitrary described device of claim 1 to 6, it is characterized in that described Signal Regulation plateBe provided with signal sensing unit and parameter calculation unit, described signal sensing unit comprises absolute pressure sensing elementWith differential pressure sensing element, described absolute pressure sensing element is connected with described static tube, described differential pressure sensing elementBe connected with described stagnation pressure tube; Described parameter calculation unit comprise multichannel microprocessor and with described micro-placeReason device connect signaling conversion circuit, described microprocessor also respectively with described absolute pressure sensing element, described inDifferential pressure sensing element and described position-sensing unit assembly connect.
8. device according to claim 7, is characterized in that, in described converter housing, is also provided withPower-switching circuit, described power-switching circuit is respectively described absolute pressure sensing element, described differential pressure sensitivityElement, described microprocessor and the power supply of described signaling conversion circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521064275.8U CN205262520U (en) | 2015-12-18 | 2015-12-18 | Combined type stagnation temperature measuring device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201521064275.8U CN205262520U (en) | 2015-12-18 | 2015-12-18 | Combined type stagnation temperature measuring device |
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| CN205262520U true CN205262520U (en) | 2016-05-25 |
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| CN201521064275.8U Active CN205262520U (en) | 2015-12-18 | 2015-12-18 | Combined type stagnation temperature measuring device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107356288A (en) * | 2017-06-09 | 2017-11-17 | 同济大学 | A kind of air velocity and temperature duplex measurement device for low speed flow field |
| CN108803709A (en) * | 2018-04-02 | 2018-11-13 | 中国空气动力研究与发展中心低速空气动力研究所 | A kind of anti-icing wall static pressure measurement control structure |
| CN110715750A (en) * | 2019-10-18 | 2020-01-21 | 成都凯天电子股份有限公司 | Anti-icing and deicing method for total temperature sensor |
| CN111736238A (en) * | 2019-03-25 | 2020-10-02 | 北京京东尚科信息技术有限公司 | Atmospheric data measuring device and aircraft |
| CN112880757A (en) * | 2021-03-17 | 2021-06-01 | 成都凯天电子股份有限公司 | Flow measurement probe for comprehensive integrated measurement of various types of data |
| CN113188593A (en) * | 2021-04-22 | 2021-07-30 | 成都凯天电子股份有限公司 | Pipeline total temperature and total pressure synchronous measurement device |
| CN114235328A (en) * | 2021-11-30 | 2022-03-25 | 中国航发沈阳发动机研究所 | Method for measuring total temperature of airflow field containing water phase |
-
2015
- 2015-12-18 CN CN201521064275.8U patent/CN205262520U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107356288A (en) * | 2017-06-09 | 2017-11-17 | 同济大学 | A kind of air velocity and temperature duplex measurement device for low speed flow field |
| CN107356288B (en) * | 2017-06-09 | 2019-12-31 | 同济大学 | Air flow speed and temperature composite measuring device for low-speed flow field |
| CN108803709A (en) * | 2018-04-02 | 2018-11-13 | 中国空气动力研究与发展中心低速空气动力研究所 | A kind of anti-icing wall static pressure measurement control structure |
| CN111736238A (en) * | 2019-03-25 | 2020-10-02 | 北京京东尚科信息技术有限公司 | Atmospheric data measuring device and aircraft |
| CN111736238B (en) * | 2019-03-25 | 2024-06-14 | 北京京东乾石科技有限公司 | Atmospheric data measuring device and aircraft |
| CN110715750A (en) * | 2019-10-18 | 2020-01-21 | 成都凯天电子股份有限公司 | Anti-icing and deicing method for total temperature sensor |
| CN112880757A (en) * | 2021-03-17 | 2021-06-01 | 成都凯天电子股份有限公司 | Flow measurement probe for comprehensive integrated measurement of various types of data |
| CN113188593A (en) * | 2021-04-22 | 2021-07-30 | 成都凯天电子股份有限公司 | Pipeline total temperature and total pressure synchronous measurement device |
| CN114235328A (en) * | 2021-11-30 | 2022-03-25 | 中国航发沈阳发动机研究所 | Method for measuring total temperature of airflow field containing water phase |
| CN114235328B (en) * | 2021-11-30 | 2023-08-22 | 中国航发沈阳发动机研究所 | Total temperature measurement method for airflow field containing water phase |
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