CN202204680U - All fresh air handling system for aircraft engine performance testing device - Google Patents
All fresh air handling system for aircraft engine performance testing device Download PDFInfo
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- CN202204680U CN202204680U CN2011202242628U CN201120224262U CN202204680U CN 202204680 U CN202204680 U CN 202204680U CN 2011202242628 U CN2011202242628 U CN 2011202242628U CN 201120224262 U CN201120224262 U CN 201120224262U CN 202204680 U CN202204680 U CN 202204680U
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Abstract
The utility model relates to the field of air-conditioners and provides an all fresh air handling system for an aircraft engine performance testing device. The system comprises three parts including an air handling system, an electrical control system and a data acquisition software system, wherein the air handling system comprises an all fresh air handling unit, an outdoor air-cooling compressing and condensing unit, an air supply plenum chamber and an air supply hose; the electrical control system comprises a heavy current installation on/off control part, a PID (Proportion Integration Differentiation) control part and a data acquisition measuring part; and the data acquisition software system is used for monitoring the inlet pressure, temperature and humidity of an engine in real time. The all fresh air handling system can effectively control the inlet pressure, temperature and humidity of the engine, and provides stable air inlet conditions for the aircraft engine performance testing device, so that the accurate air supply for the engine can be realized.
Description
Technical field
The utility model relates to field of air conditioning, particularly relates to a kind of brand-new air processing system that is used for the aircraft engine performance test apparatus.
Background technology
Brand-new wind air-treatment unit is as the equipment of regulating Temperature and Relative Humidity of Indoor Air and cleanliness factor; According to the working environment requirement; Having provides fresh air and the function that keeps the room air constant temperature and humidity, in building field and civilian production and defense industry, has a wide range of applications.
When aircraft engine makes a service test, on the one hand because the work of engine can be emitted a large amount of heat, on the other hand because the burn incompletely of engine can be discharged a large amount of pollutants.The acting in conjunction of heat and exhaust emission has changed the required air inlet state of engine test, gently then causes engine operation unstable, and is heavy then it is stopped working.Traditional solution is to adopt the array configuration of breeze fan and smoke exhaust fan to reduce the temperature of testing laboratory, and reduces the exhaust gas concentration of chamber when testing, and can go on warranty test.But adopt this method, be difficult to realize to the accurate air feed of engine
,Because screw propeller is at indoor perturbation action, the pressure field of engine intake, temperature field and moisture field often can't be stablized control.
Summary of the invention
To the weak point of existing air-treatment unit, the utility model has designed a kind of brand-new air processing system, can effectively control room air pressure and humiture between the aircraft engine experimental enviroment.
For realizing above-mentioned purpose, the technical scheme that the utility model adopts is following:
A kind of aircraft engine performance test apparatus is used brand-new air processing system, comprises air treatment system and electric control system:
Air treatment system comprises brand-new wind air-treatment unit unit, outdoor air-cooled compression condensation unit, air supply plenum chamber and air supplying hose; Wherein, Brand-new wind air-treatment unit unit is divided into initial effect filtering section, evaporating pan pipeline section, heating plate pipeline section, humidification coil pipe section and breeze fan section, and breeze fan adopts frequency conversion fan; Outdoor air-cooled compression condensation unit and air-treatment unit unit mate each other, accomplish the refrigerated dehumidification function of brand-new wind jointly;
Electric control system is divided into heavy current installation start and stop control section, PID control section and data acquisition measure portion, and wherein, heavy current installation start and stop control section adopts programmable controller and man-machine interface touch-screen to realize; PID control section and data acquisition measure portion are used for measuring and controlling three parameters of pressure, temperature and humidity of engine charge: pressure control adopts pressure sensor, PID reconciliation statement and frequency converter are realized; Pressure transducer is gathered the pressure signal of air supply plenum chamber; And pass to the PID reconciliation statement, carry out signal by frequency converter again; Temperature control adopts temperature sensor, PID reconciliation statement and controllable silicon power regulator to realize, temperature sensor is gathered the temperature signal of air supply plenum chamber, and passes to the PID reconciliation statement, carries out signal by the controllable silicon power regulator again; Humidity control adopts humidity sensor, PID reconciliation statement and controllable silicon power regulator to realize, humidity sensor is gathered the temperature signal of air supply plenum chamber, and passes to the PID reconciliation statement, carries out signal by the controllable silicon power regulator again.
In order to realize that system works is stable, brand-new wind air-treatment unit unit can adopt the form of the using and the reserved.Brand-new wind air-treatment unit fault can't steady operation, can open the stable control that stand-by equipment is realized aircraft engine admission pressure, temperature and humidity.
The utility model has following some beneficial effect with respect to prior art: (1) has been controlled pressure, the temperature and humidity of engine charge effectively, stable inlet air conditions is provided for the aircraft engine test unit, has promptly realized to the accurate air feed of engine; (2) degree of accuracy of PID regulating and controlling pressure, temperature and humidity is high and easy to operate, and the data acquisition software system has realized the real-time monitoring of operating mode; (3) subsequent use unit is set, can guarantees that the round-the-clock running of system is stable.
Description of drawings
Fig. 1 is the structural representation of the aircraft engine performance test apparatus of the utility model with brand-new air processing system.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is done further explain.
The brand-new air processing system of the utility model comprises air treatment system and electric control system.Air treatment system is made up of brand-new wind air-treatment unit unit, outdoor air-cooled compression condensation unit and air supply plenum chamber 9 and air supplying hose 7 etc.; This air treatment system can be realized round-the-clock stable operation; Satisfy the aircraft engine inlet air conditions; With the area, Nanjing is example: 35 ℃ of the outdoor new wind air dry-bulb temperatures of summer condition, and 28 ℃ of wet-bulb temperature, 3 pairs of new wind of evaporation coil carry out refrigerated dehumidification---and this refrigerated dehumidification process is crossed cold control procedure often; Then through the electrical heating coil pipe to new wind heat, electric humidification coil pipe carries out humidification to new wind, reaches the temperature and humidity condition of engine charge; 7 ℃ of the outdoor new wind air dry-bulb temperatures of winter condition; 6 ℃ of wet-bulb temperature; 3 pairs of new wind of evaporation coil carry out refrigerated dehumidification (words of lower if desired intake air temperature condition)---and this refrigerated dehumidification process is crossed cold control procedure often; Then through the electrical heating coil pipe to new wind heat, electric humidification coil pipe carries out humidification to new wind, reaches the temperature and humidity condition of engine charge.Wherein, breeze fan 6 is VFC, can realize the pressure control of engine charge.
Electric control system is divided into heavy current installation start and stop control section, PID control section and data acquisition measure portion.Heavy current installation start and stop control section adopts programmable controller (PLC) and man-machine interface touch-screen to realize that the start and stop of equipment and warning message are high-visible on touch-screen, comes into plain view.PID control section and data acquisition measure portion mainly are used for measuring and controlling three parameters of pressure, temperature and humidity of engine charge.Pressure control adopts pressure sensor, PID reconciliation statement and frequency converter are realized; Pressure transducer is gathered the pressure signal of air supply plenum chamber; And passing to the PID reconciliation statement, the setting signal of this pressure signal and PID reconciliation statement compares, and sends to frequency converter and carries out signal; Frequency converter is regulated between 0～100%, the final stable control that realizes the air-supply static pressure.Temperature control adopts temperature sensor, PID reconciliation statement and controllable silicon power regulator to realize; Temperature sensor is gathered the temperature signal of air supply plenum chamber; And passing to the PID reconciliation statement, the setting signal of this temperature signal and PID reconciliation statement compares, and sends to the controllable silicon power regulator and carries out signal; The controllable silicon power regulator is regulated between 0～100%, finally realizes the stable control of wind pushing temperature.Humidity control adopts humidity sensor, PID reconciliation statement and controllable silicon power regulator to realize; Humidity sensor is gathered the temperature signal of air supply plenum chamber; And passing to the PID reconciliation statement, the setting signal of this moisture signal and PID reconciliation statement compares, and sends to the controllable silicon power regulator and carries out signal; The controllable silicon power regulator is regulated between 0～100%, the final stable control that realizes air-supply humidity.
Fig. 1 is the principle schematic of aircraft engine performance test apparatus with brand-new air processing system; 1 is air-cooled Condensing units; Cold-producing medium is compressed and condensation therein, and outdoor new wind gets into brand-new wind air-handling chamber after brand-new wind air-treatment unit initial effect filtering section 2 filters.Surface at brand-new wind air-treatment unit evaporation coil 3 is cooled off by cold-producing medium evaporation heat absorption, reaches a lower temperature (cold excessively).The continued that is cooled air draught flows; Brand-new wind air-treatment unit electric heating plate pipeline section 4 places that flow through are heated to the temperature value of setting; This air-flow is sent into air supplying hose 7 by frequency conversion breeze fan 6 by 5 adiabatic humidiflcations of electric humidification coil pipe section behind the humidity value of setting then; Wherein thereby frequency conversion fan 6 can change the blower fan frequency and can effectively control air output; It is indoor through air supply plenum chamber 9 air trim after the processing to be sent into, and the accurate control of pressure and humiture realizes through sensor and the operation of PID regulating system.The 8th, the air supply duct between experimental enviroment, wind are sent between experimental enviroment from here, and after wind is discharged by exhaust duct between experimental enviroment 11, keeps the room air pressure stability.Heat that indoor air-supply and air draft produce in the time of can taking away the aircraft engine performance test and flue gas.10 is the air sampling device of aircraft engine air inlet, and this sampler can be accomplished the measurement of air-out static pressure, dry-bulb temperature and the wet-bulb temperature of air.
In addition, the brand-new air processing system of the utility model can adopt advanced data acquisition software system, realizes the real-time monitoring of engine charge pressure, temperature and humidity.If the admission pressure of engine, temperature and humidity, one of them has surpassed the permissible variation value, and software systems can the alert notice user.
Claims (2)
1. an aircraft engine performance test apparatus is used brand-new air processing system, comprises air treatment system and electric control system, it is characterized in that:
Air treatment system comprises brand-new wind air-treatment unit unit, outdoor air-cooled compression condensation unit, air supply plenum chamber and air supplying hose; Wherein, Brand-new wind air-treatment unit unit is divided into initial effect filtering section, evaporating pan pipeline section, heating plate pipeline section, humidification coil pipe section and breeze fan section, and breeze fan adopts frequency conversion fan; Outdoor air-cooled compression condensation unit and air-treatment unit unit mate each other, accomplish the refrigerated dehumidification function of brand-new wind jointly;
Electric control system is divided into heavy current installation start and stop control section, PID control section and data acquisition measure portion, and wherein, heavy current installation start and stop control section adopts programmable controller and man-machine interface touch-screen to realize; PID control section and data acquisition measure portion are used for measuring and controlling three parameters of pressure, temperature and humidity of engine charge: pressure control adopts pressure sensor, PID reconciliation statement and frequency converter are realized; Pressure transducer is gathered the pressure signal of air supply plenum chamber; And pass to the PID reconciliation statement, carry out signal by frequency converter again; Temperature control adopts temperature sensor, PID reconciliation statement and controllable silicon power regulator to realize, temperature sensor is gathered the temperature signal of air supply plenum chamber, and passes to the PID reconciliation statement, carries out signal by the controllable silicon power regulator again; Humidity control adopts humidity sensor, PID reconciliation statement and controllable silicon power regulator to realize, humidity sensor is gathered the temperature signal of air supply plenum chamber, and passes to the PID reconciliation statement, carries out signal by the controllable silicon power regulator again.
2. a kind of aircraft engine performance test apparatus according to claim 1 is used brand-new air processing system, it is characterized in that, said brand-new wind air-treatment unit unit adopts two covers, and wherein a cover is used for using, and an other cover is as subsequent use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202242628U CN202204680U (en) | 2011-06-29 | 2011-06-29 | All fresh air handling system for aircraft engine performance testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202242628U CN202204680U (en) | 2011-06-29 | 2011-06-29 | All fresh air handling system for aircraft engine performance testing device |
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| Publication Number | Publication Date |
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| CN202204680U true CN202204680U (en) | 2012-04-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202242628U Expired - Fee Related CN202204680U (en) | 2011-06-29 | 2011-06-29 | All fresh air handling system for aircraft engine performance testing device |
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| CN (1) | CN202204680U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104677634A (en) * | 2013-12-02 | 2015-06-03 | 中国飞行试验研究院 | Aero-engine onboard side wind ground test method |
| CN106369725A (en) * | 2016-11-11 | 2017-02-01 | 广电计量检测（北京）有限公司 | Fresh air treatment device and method for engine performance test |
| CN106555712A (en) * | 2015-09-29 | 2017-04-05 | 长城汽车股份有限公司 | A kind of engine charge moisture control system and automobile |
| CN108518784A (en) * | 2018-06-15 | 2018-09-11 | 中航长沙设计研究院有限公司 | Aeroengine test run workshop |
| CN110865603A (en) * | 2019-12-13 | 2020-03-06 | 湖南汉能科技有限公司 | Electrical control system of aircraft engine test bed |
| CN113899519A (en) * | 2021-12-13 | 2022-01-07 | 中国飞机强度研究所 | Indoor airplane test micro-pressure control system and control method |
| CN113899554A (en) * | 2021-12-10 | 2022-01-07 | 中国飞机强度研究所 | Balance control method for slow-vehicle running environment field of laboratory aircraft engine |
| CN113899555A (en) * | 2021-12-10 | 2022-01-07 | 中国飞机强度研究所 | Balance control system for slow-vehicle running environment field of laboratory aircraft engine |
| CN113895650A (en) * | 2021-12-10 | 2022-01-07 | 中国飞机强度研究所 | Airplane test dual-channel air temperature and humidity adjusting and controlling system and adjusting and controlling method |
-
2011
- 2011-06-29 CN CN2011202242628U patent/CN202204680U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104677634A (en) * | 2013-12-02 | 2015-06-03 | 中国飞行试验研究院 | Aero-engine onboard side wind ground test method |
| CN104677634B (en) * | 2013-12-02 | 2017-09-22 | 中国飞行试验研究院 | Crosswind ground experiment method on aero-engine machine |
| CN106555712A (en) * | 2015-09-29 | 2017-04-05 | 长城汽车股份有限公司 | A kind of engine charge moisture control system and automobile |
| CN106555712B (en) * | 2015-09-29 | 2019-04-02 | 长城汽车股份有限公司 | A kind of engine charge humidity control system and automobile |
| CN106369725A (en) * | 2016-11-11 | 2017-02-01 | 广电计量检测（北京）有限公司 | Fresh air treatment device and method for engine performance test |
| CN108518784A (en) * | 2018-06-15 | 2018-09-11 | 中航长沙设计研究院有限公司 | Aeroengine test run workshop |
| CN110865603A (en) * | 2019-12-13 | 2020-03-06 | 湖南汉能科技有限公司 | Electrical control system of aircraft engine test bed |
| CN113899554A (en) * | 2021-12-10 | 2022-01-07 | 中国飞机强度研究所 | Balance control method for slow-vehicle running environment field of laboratory aircraft engine |
| CN113899555A (en) * | 2021-12-10 | 2022-01-07 | 中国飞机强度研究所 | Balance control system for slow-vehicle running environment field of laboratory aircraft engine |
| CN113895650A (en) * | 2021-12-10 | 2022-01-07 | 中国飞机强度研究所 | Airplane test dual-channel air temperature and humidity adjusting and controlling system and adjusting and controlling method |
| CN113899554B (en) * | 2021-12-10 | 2022-02-18 | 中国飞机强度研究所 | Balance control method for slow-vehicle running environment field of laboratory aircraft engine |
| CN113899519A (en) * | 2021-12-13 | 2022-01-07 | 中国飞机强度研究所 | Indoor airplane test micro-pressure control system and control method |
| CN113899519B (en) * | 2021-12-13 | 2022-03-15 | 中国飞机强度研究所 | Indoor airplane test micro-pressure control system and control method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120425 Termination date: 20140629 |
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| EXPY | Termination of patent right or utility model |