CN206223233U - A kind of experimental system for simulating for large-scale cabin environment Comfort Evaluation - Google Patents
A kind of experimental system for simulating for large-scale cabin environment Comfort Evaluation Download PDFInfo
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- CN206223233U CN206223233U CN201621310430.4U CN201621310430U CN206223233U CN 206223233 U CN206223233 U CN 206223233U CN 201621310430 U CN201621310430 U CN 201621310430U CN 206223233 U CN206223233 U CN 206223233U
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Abstract
The utility model discloses a kind of experimental system for simulating for large-scale cabin environment Comfort Evaluation, experimental simulation cabin is set in thermostatic chamber, experimental simulation cabin connects with air-conditioning system, temperature sensor is set in experimental simulation cabin, gas concentration lwevel sensor, noise transducer, a number dioxide bottle, sound equipment and the thermal manikin for being wound with resistance wire, temperature sensor, gas concentration lwevel sensor and noise transducer are all connected with real time data inspecting system, a number dioxide bottle connects the first pressure-reducing valve and the first electromagnetic flowmeter, resistance wire is connected with switch；No. two dioxide bottles connection the second pressure-reducing valve and the second electromagnetic flowmeters in thermostatic chamber, the second electromagnetic flowmeter is connected with air supply duct.The utility model can simultaneously be built and monitor the temperature field consistent in flight course middle deck with true passenger plane, CO2Concentration field and sound field, as subject to the basis of each environmental factor comfort degree weight subjective evaluation in large-scale main cabin.
Description
Technical field
The utility model is related to a kind of experimental system, is to be related to one kind comfortable for large-scale cabin environment in particular
Spend the experimental system for simulating evaluated.
Background technology
Nowadays, increasing people's airplane travelling, including those it is in poor nick or there is potential sufferer, to visitor
The crowd of cabin environment sensitive.Global airplane ridership is estimated per year over 1000000000 person-times.What is run into due to passenger is one
Contain pollutant (such as ozone, carbon monoxide, the pollution of various organic compounds in the individual high and low humidity of density of personnel, low pressure, air
Thing and biological agent) cabin environment, they may require that more comfortable and clean environment.There are many air parameters such a
In the environment of collective effect, how thermal comfort and air quality in overall evaluation main cabin, air ambient evaluation index is determined, with more
Good Environment Control System Design for Aircraft is come to ensure cabin ambient be a major issue anxious to be resolved.
In standards of the U.S. ASHRAE Standard-161 to airliner cockpit thermal environment, to target temperature in cabin
Scope is 18.3 DEG C -23.9 DEG C, and the standard of temperature does not clearly state the population difference and different clothing for how considering passenger
Level.And under the conditions of identical ambient parameter, the thermal comfort of passenger is clearly relevant with crowd's type and clothing state.No
Requirement of the crowd at agnate, sex, age etc. to thermal comfort is different, and foreign countries were done with external tested crowd as object
The subjective thermal comfort experiment of cabin atmosphere thermal comfort, but the cabin atmosphere thermal comfort basic research data of Chinese passengers are gone back at present
It is blank.Moreover, passenger's thermal comfort still influences a key factor of overall comfort in cabin.Cabin air quality
Equally it is influence passenger's riding comfort and health key factor, because passenger is in special cabin atmosphere, people
The symptoms such as headache, fatigue, eyes are dry and astringent occur to the complaint of air quality in cabin than being become apparent from building, often for member.This
Outward, the noise in cabin is often apparently higher than the normal sound sound pressure level in contact with people's daily life, therefore cabin sound ring
Border also can cause very detrimental effect to the physiology of passenger and psychology, the disease such as including dizziness, tinnitus, nervous and mood agitation
Shape.
The outer evaluation experimental on cabin atmosphere comfort level of Current Domestic is most only to influence passenger's global comfort
Some factor carries out expansion research, the objective experimental result such as temperature field, concentration field, sound field under this simulated environment, and
Can not reflect the various factors coupling environment residing for passenger in the case of Live Flying, therefore subjective and objective commenting of being obtained of its experiment
The authenticity of valency result remains to be discussed.
Utility model content
The purpose of this utility model is to overcome deficiency of the prior art, there is provided a kind of to be relaxed for large-scale cabin environment
The experimental system for simulating that appropriateness is evaluated, can simultaneously build and monitor the temperature consistent in flight course middle deck with true passenger plane
Degree field, CO2Concentration field and sound field, it is subjective and objective to each environmental factor comfort degree weight in large-scale main cabin in this, as subject
The basis of evaluation.
The purpose of this utility model is achieved through the following technical solutions.
A kind of experimental system for simulating for large-scale cabin environment Comfort Evaluation of the present utility model, including thermostatic chamber,
Characterized in that, be provided with the experimental simulation cabin of bottom air draft in the thermostatic chamber, the experimental simulation cabin top and it is arranged at
Air-conditioning system in thermostatic chamber is connected by air supply duct, and temperature sensor, titanium dioxide are provided with the experimental simulation cabin
Concentration of carbon sensor, noise transducer, dioxide bottle, a sound equipment and the thermal manikin of resistance wire is wound with, the temperature
Degree sensor, gas concentration lwevel sensor and noise transducer are all connected with real time data inspecting system, a titanium dioxide
Carbon gas cylinder top is connected in series with the first pressure-reducing valve and the first electromagnetic flowmeter, and all resistance wires are connected with a switch；
No. two dioxide bottles are provided with the thermostatic chamber, No. two carbon dioxide gas top of bottle are connected in series with
Second pressure-reducing valve and the second electromagnetic flowmeter, the second electromagnetic flowmeter output end are connected with air supply duct；
The air-conditioning system, the first electromagnetic flowmeter, sound equipment, the second electromagnetic flowmeter and switch are all connected with being arranged at constant temperature
Indoor control system.
The real time data inspecting system includes the display, data acquisition module and the information conditioning module that are sequentially connected,
Described information conditioning module connection temperature sensor, gas concentration lwevel sensor and noise transducer, the real time data prison
Control system is arranged in thermostatic chamber.
The capacity of No. two dioxide bottles is more than a capacity for dioxide bottle.
Compared with prior art, the beneficial effect that the technical solution of the utility model is brought is：
(1) the utility model realizes multi-environmental parameter and is uniformly controlled in same control system, makes experimental implementation simpler
Single convenient, the control ability to experimental system is stronger, tests spent time cost smaller；
(2) the utility model is in same display interfaces, can in experimental simulation out of my cabin real-time monitoring cabin each environment
Parameter to experiment without producing the error caused due to the interference of experimenter
(3) in the utility model, CO2Pressure-reducing valve at cylinder outlet first heated gas before gas is discharged, it is ensured that
The cryogenic gas that liquid liquefaction is produced is heated to room temperature, in addition electromagnetic flowmeter can also precise control gas flow so as to
The concentration of precise control gas can also easily and fast change gas flow simultaneously, be applicable to wide operating mode；
(4) in the utility model, Frequency Adjustable sound equipment can play the noise consistent with true cabin atmosphere spectral characteristic, more
The acoustic environment in cabin during Live Flying is simulated exactly；
(5) be can control in the utility model and the parameter of measurement is temperature, CO2Concentration and noise frequency and sound pressure level, survey
Amount species is more, and excursion is wider, and sensor movement is put more convenient, can measure the ambient parameter of multiple positions and real
When monitor；
(6) the utility model is based on cabin experiment porch, and principle is relatively simple, and cost is relatively low, while can also individually use
Come to provide experiment basis for subjective evaluation experiment in other experiment porch
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the workflow schematic diagram of control system in the utility model.
Reference:1 experimental simulation cabin；2 air-conditioning systems；3 air supply ducts；4 temperature sensors；5 gas concentration lwevels are passed
Sensor；6 noise transducers；No. 7 dioxide bottles；8 sound equipments；9 resistance wires；10 thermal manikins；11 No. two carbon dioxide gas
Bottle；12 first pressure-reducing valves；13 first electromagnetic flowmeters；14 second pressure-reducing valves；15 second electromagnetic flowmeters；16 control systems；17
Display；Eighteen data acquisition module；19 information conditioning modules；20 thermostatic chambers；21 switches.
Specific embodiment
The utility model will be further described below in conjunction with the accompanying drawings.
The utility model can be simultaneously built in the cabin and parameters include during monitor in real time and true passenger traffic
Humiture, noise, air quality (CO2Concentration) consistent environmental working condition, the environment can be used to simulating passenger its environment relaxed
Appropriateness is evaluated and weighing factor shared by each influence factor is given a mark.
As shown in figure 1, a kind of experimental system for simulating for large-scale cabin environment Comfort Evaluation of the present utility model, bag
Include in thermostatic chamber, the thermostatic chamber 20 and be provided with experimental simulation cabin 1, real time data inspecting system, 16, No. two dioxies of control system
Change carbon gas cylinder 11 and air-conditioning system 2.
The experimental simulation cabin 1 be internally provided with temperature sensor 4, gas concentration lwevel sensor 5, noise transducer 6,
Number dioxide bottle 7, high-power Frequency Adjustable sound equipment 8, a thermal manikin 10.The temperature sensor 4, gas concentration lwevel is passed
Sensor 5 and noise transducer 6 are all connected with real time data inspecting system.The real time data inspecting system mainly includes being sequentially connected
Display 17, data acquisition module 18 and information conditioning module 19, the connection of described information conditioning module 19 temperature sensor 4,
Gas concentration lwevel sensor 5 and noise transducer 6, the real time data inspecting main function of system are completed to ambient parameter
The signal acquisition of data is amplified, changes, storage is inquired about and is analyzed and processed and is exported.A number dioxide bottle 7 is used
4L liquid CO2Gas cylinder, the top of a dioxide bottle 7 is connected in series with the first pressure-reducing valve 12 and the first electromagnetic flowmeter
13.The thermal manikin 10 is set to 42, and each thermal manikin 10 is wound with resistance wire 9, all of resistance wire 9 respectively
It is connected in parallel, is connected with the switch 21 that is arranged inside thermostatic chamber 20 jointly, the switch 21 connects control system 16.
The bottom air draft of the experimental simulation cabin 1, top is connected by air supply duct 3 with air-conditioning system 2.Described No. two two
The capacity of carbonoxide gas cylinder 11 can use 40L more than a capacity for dioxide bottle 7, No. two dioxide bottles 11
Liquid CO2Gas cylinder, the top of No. two dioxide bottles 11 is connected in series with the second pressure-reducing valve 14 and the second electromagnetic flowmeter
15, the output end of the second electromagnetic flowmeter 15 is connected by plastic flexible pipe with air supply duct 3.The air-conditioning system 2, first
Electromagnetic flowmeter 13, sound equipment 8, the second electromagnetic flowmeter 15 are all connected with control system 16, and the control system 16 uses computer.
The utility model is by temperature, CO in precise control experimental simulation cabin 12Concentration and noise sound make experiment mould
Intend being simulated in cabin 1 environmental working condition of varying level, subject in experimental simulation cabin 1 is done under varying environment operating mode with this
Go out subjective evaluation of each factor to global comfort influence degree.The utility model is based on the variable of true MD82 aircrafts transformation
7 row's Boeing-737 cockpit emulation experiment measuring tables of thermal boundary condition, realize in-flight to airliner in Laboratory Module
True temperature, CO2The monitor in real time of concentration field and noise field and control, such that it is able to build a multi-environment factor coupling
Experimental situation set up experiment basis for comfort of passenger evaluation.
The construction in temperature field：By adjusting the wind pushing temperature of the air-conditioning system 2 of experimental simulation cabin 1, open in experimental simulation cabin 1
Thermal manikin 10 switch 21 make its simulation true man's caloric value generated heat, maintain a period of time temperature field reach relatively stablize
State, in this process temperature in use sensor 4 temperature variations in experimental simulation cabin 1 are monitored.
The air-conditioning system 2 in experimental simulation cabin 1 is opened, the frequency of variable ratio frequency changer blower fan is 27.5Hz, correspondence air quantity 1512m3/ h,
Everyone minimum fresh air requirmente 10L/s people is met with this.Specified according to ASHRAE 55-2010, Summer and winter indoor thermal comfort area difference
For winter and summer condition take 19/22/25 DEG C of indoor temperature respectively in 21.5-25 DEG C and 24.5-27.5 DEG C, therefore experimentation
With 22/25/28 DEG C.The wind pushing temperature of air-conditioning in experimental simulation cabin 1 is adjusted by control system 16, wind pushing temperature is flat according to heat
Formula is weighed to calculate：
` kF(tn-tw)+M0cp(tn-ts)=Q1+Q2+Q3 (1)
Wherein, α represents the building enclosure correction factor of experimental simulation cabin 1；K represents the heat transfer across wall system of experimental simulation cabin 1
Number, kW/ (m2·K)；F represents the building enclosure surface area of experimental simulation cabin 1, m2, α kF=0.316kW/K；tnRepresent experimental simulation
Temperature in cabin 1, DEG C；twThe outer constant temperature room temperature in experimental simulation cabin 1 is represented, DEG C, constant is 18 DEG C；tsRepresent that experimental simulation cabin 1 is blown
Temperature, DEG C；M0Represent the resh air requirement of the conveying of air-conditioning system 2, kg/s；cpRepresent air enthalpy specific heat, 1.005kJ/ (kg DEG C)；Q1
Expression personnel's refrigeration duty, kW will place 42 thermal manikins 10 under full operating mode, its sensible heat heat dissipation capacity is 75W, and total load is
3.15kW；Q2Expression equipment refrigeration duty, kW, 2kW；Q3Represent illumination refrigeration duty, kW, 0.38kW.
Wind pushing temperature is respectively 14/18/22 DEG C under each operating mode in the winter time, and wind pushing temperature is respectively under summer each operating mode
18/22/26.5℃。
CO2The construction of concentration field：By a dioxide bottle 7 and No. two dioxies inside and outside Control release boiler-plate 1
Change the flow of carbon gas cylinder 11 to make CO in experimental simulation cabin 12Concentration reaches the level of stabilization, wherein No. two larger carbon dioxide
Gas cylinder 11 is connected by plastic flexible pipe with the pipeline for giving wind for air conditioner 3 of experimental simulation cabin 1, so that the fresh air in feeding experimental simulation cabin 1
In contain certain density CO2Carry out concentration in balance test boiler-plate 1, a less dioxide bottle 7 is then used for making up
CO caused by subject's number deficiency2Source emission is not enough, and 5 pairs of realities of gas concentration lwevel sensor are used in this process
Test CO in boiler-plate 12Change in concentration is monitored.
Control system 16 is also required to air-conditioning system 2 and experimental simulation cabin 1 while 2 wind pushing temperature of air-conditioning system is controlled
Interior CO2Concentration is controlled.First pass through below equation and calculate CO in air supply duct 32Concentration：
Wherein, L represents the air output of air-conditioning system 2, m3/ s, constant is 1512m3/ h=0.42m3/s；y1Expression system is opened
CO in preceding experimental simulation cabin 12Concentration, g/m3；X represents CO in experimental simulation cabin 12Emission, g/s is produced according to standard personnel
CO2It is 27.68g/ (h people) that total evapo-transpiration is 27.68*42/3600=0.323g/s；T represents the unlatching time of air-conditioning system 2,
S, whenTherefore CO in experimental simulation cabin 1 is opened after air-conditioning system 4min2Concentration tends to steady
It is fixed；VfRepresent the volume of experimental simulation cabin 1, m3, actual size is 34m3；y2CO in experimental simulation cabin 1 after system stabilization2Concentration, g/
m3, 0.989g/m is divided on request3(500ppm),1.977g/m3(1000ppm),2.966g/m3(1500ppm),3.954g/m3
(2000ppm) four levels；y0Represent CO in air supply duct 32Concentration, g/m3。
The control system 16 controls the first electromagnetic flowmeter 13 and the second electromagnetic flowmeter 15 to change No. one two respectively
Carbonoxide gas cylinder 7 and No. two flows of dioxide bottle 11, by the first pressure-reducing valve 12 and the second pressure-reducing valve 14 by No. one two
Liquid CO in carbonoxide gas cylinder 7 and No. two dioxide bottles 112Gasify and heat, plastic flexible pipe is then passed through respectively by gas
Body is passed through in experimental simulation cabin 1 and air supply duct 3.No. two flows of dioxide bottle 11 are calculated as follows：
Wherein, L0Represent CO in air supply duct 32Concentration, L/min；ρ represents CO2Gas density, g/L, 1.977g/L.
The flow of a number dioxide bottle 7 is then according to CO in the case of full in experimental simulation cabin 12Yield comes true
It is fixed, it is fixed as 9.8L/min.It is the CO for distributing a dioxide bottle 72Even concentration, with threeway by the first Electromagnetic Flow
The supervisor for counting 13 output ends is divided into left front portion, right front portion, left back portion and the right rear portion that four branch roads correspond to experimental simulation cabin respectively
Four regions.
The construction of noise field：Noise audio in actual airplane cabin is imported in high power acoustics 8, regulating frequency makes reality
Test the noised audio spectral characteristic played in boiler-plate 1 consistent with Live Flying intermediate frequency spectral property, the regulation volume of sound equipment 8 makes it
The noise sound of broadcasting consecutive variations in the range of requiring, spectral characteristics of noise is measured with sound pressure level noise transducer 6.
The frequency and sound pressure level (loudness) of noise can also be controlled by control system 16, compare true cabin noise spectrum regulation frequency
Rate, sound pressure level is controlled according to tri- levels of 70/75/80dB.
Temperature field, CO2The construction process of concentration field and noise field three is carried out simultaneously, including wind pushing temperature, CO2Gas
The control of bottle flow and noise frequency and sound pressure level is incorporated into a control system, by calculating it under each level
Corresponding regulated quantity, so that environment comfort degree factor is fully coupled in experimental simulation cabin 1, supervises in real time additionally by each sensor
Each ambient parameter for measuring is displayed in display 17, and this provides experiment basis for the subjective evaluation of subject.
Temperature, CO in experimental simulation cabin 12During concentration and noise spectrum are controlled, it is also possible to lead to as needed
Cross control system 16 and continuously adjust wind pushing temperature, a dioxide bottle 7 and No. two flows of dioxide bottle 11, noises
Sound pressure level, draws the wider array of result of the scope of application.
Sensor is the primary link that the system realizes acquisition monitoring, and it is by detecting measured information and being pressed certain
Signal form needed for rule is converted into is exported, and is required with reaching information transfer, display, record, treatment and storage etc..The system
The sensor main of use will have temperature sensor 4, gas concentration lwevel sensor 5,6 three kinds of noise transducer, and it is right mainly to realize
Temperature, CO in experimental simulation cabin 12The real-time monitoring of concentration and noise spectrum.By the way that after sensor, information conditioning module 19 will be surveyed
The operations such as amount signal is by amplifying, decay, filtering are converted into the standard signal that capture card is capable of identify that, so as to improve data adopt
Collect the reliability of module 18 and improve its performance.Then letter will be measured by the sensor after conditioning by data acquisition module 18
Number be converted into the passage that data are transferred to computer, the system uses KL-M4000 series modules, the module have high accuracy and
Good is linear, RS-232 or RS-485/422 interfaces can be flexibly selected as needed, is easy to in-site installation and debugging.Display
And the measurement signal that data acquisition module 18 is transmitted is reduced to corresponding temperature, CO by data acquisition software2Concentration and noise are frequently
Spectrum.The system carries out the programming realization of data acquisition software using the Visual Basic with programming conditions in Windows.Software
Workflow it is as shown in Figure 2.
Although being described to function of the present utility model and the course of work above in conjunction with accompanying drawing, the utility model is simultaneously
Above-mentioned concrete function and the course of work is not limited to, above-mentioned specific embodiment is only schematical, rather than limitation
Property, one of ordinary skill in the art, will the utility model objective and right is not departed under enlightenment of the present utility model
Ask under protected ambit, many forms can also be made, these are belonged within protection of the present utility model.
Claims (3)
1. a kind of experimental system for simulating for large-scale cabin environment Comfort Evaluation, including thermostatic chamber, it is characterised in that described
The experimental simulation cabin of bottom air draft, the experimental simulation cabin top and the air-conditioning system being arranged in thermostatic chamber are provided with thermostatic chamber
System is connected by air supply duct, and temperature sensor, gas concentration lwevel sensor, noise are provided with the experimental simulation cabin
Sensor, dioxide bottle, a sound equipment and the thermal manikin of resistance wire is wound with, the temperature sensor, carbon dioxide
Concentration sensor and noise transducer are all connected with real time data inspecting system, and a carbon dioxide gas top of bottle is connected in series
There are the first pressure-reducing valve and the first electromagnetic flowmeter, all resistance wires are connected with a switch；
No. two dioxide bottles are provided with the thermostatic chamber, No. two carbon dioxide gas top of bottle are connected in series with second
Pressure-reducing valve and the second electromagnetic flowmeter, the second electromagnetic flowmeter output end are connected with air supply duct；
The air-conditioning system, the first electromagnetic flowmeter, sound equipment, the second electromagnetic flowmeter and switch are all connected with being arranged in thermostatic chamber
Control system.
2. a kind of experimental system for simulating for large-scale cabin environment Comfort Evaluation according to claim 1, its feature
It is that the real time data inspecting system includes the display, data acquisition module and the information conditioning module that are sequentially connected, described
Information conditioning module connection temperature sensor, gas concentration lwevel sensor and noise transducer, the real time data inspecting system
System is arranged in thermostatic chamber.
3. a kind of experimental system for simulating for large-scale cabin environment Comfort Evaluation according to claim 1, its feature
It is that the capacity of No. two dioxide bottles is more than a capacity for dioxide bottle.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110031087A (en) * | 2019-03-06 | 2019-07-19 | 中国空气动力研究与发展中心低速空气动力研究所 | A method of for survey aircraft interior noise |
| CN110375990A (en) * | 2019-08-02 | 2019-10-25 | 中国航空工业集团公司西安飞机设计研究所 | A kind of cockpit test platform |
| CN114646348A (en) * | 2022-03-21 | 2022-06-21 | 贵州航天天马机电科技有限公司 | Monitoring device and method for evaluating working environment of crawler cabin |
| CN115598212A (en) * | 2022-10-13 | 2023-01-13 | 新疆敦华绿碳技术股份有限公司（Cn） | CO (carbon monoxide) 2 Pipeline conveying phase detection system and detection method |
-
2016
- 2016-12-01 CN CN201621310430.4U patent/CN206223233U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110031087A (en) * | 2019-03-06 | 2019-07-19 | 中国空气动力研究与发展中心低速空气动力研究所 | A method of for survey aircraft interior noise |
| CN110031087B (en) * | 2019-03-06 | 2021-10-19 | 中国空气动力研究与发展中心低速空气动力研究所 | Method for measuring noise in aircraft cabin |
| CN110375990A (en) * | 2019-08-02 | 2019-10-25 | 中国航空工业集团公司西安飞机设计研究所 | A kind of cockpit test platform |
| CN114646348A (en) * | 2022-03-21 | 2022-06-21 | 贵州航天天马机电科技有限公司 | Monitoring device and method for evaluating working environment of crawler cabin |
| CN115598212A (en) * | 2022-10-13 | 2023-01-13 | 新疆敦华绿碳技术股份有限公司（Cn） | CO (carbon monoxide) 2 Pipeline conveying phase detection system and detection method |
| CN115598212B (en) * | 2022-10-13 | 2024-04-05 | 新疆敦华绿碳技术股份有限公司 | CO (carbon monoxide) 2 Pipeline conveying phase state detection system and detection method |
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