CN102507220A - High-speed train body guest room humiture and pressure fluctuation hybrid simulation system as well as application method - Google Patents
High-speed train body guest room humiture and pressure fluctuation hybrid simulation system as well as application method Download PDFInfo
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- CN102507220A CN102507220A CN2011102984707A CN201110298470A CN102507220A CN 102507220 A CN102507220 A CN 102507220A CN 2011102984707 A CN2011102984707 A CN 2011102984707A CN 201110298470 A CN201110298470 A CN 201110298470A CN 102507220 A CN102507220 A CN 102507220A
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Abstract
The invention discloses a high-speed temperature humidity and pressure fluctuation hybrid simulation system as well as an application method, and the simulation system is composed of a control system, a detection system which is connected with the control system, a car body guest room and a humiture regulating system which is communicated with the car body guest room and a pressure regulating system. The simulation system provided by the invention can simulate and reproduce the possibly existing temperature size, humidity size and different characteristic pressure waves of a high-speed train in actual service. All characteristic sets and comfort relations of three physical parameters are set, and air three parameters in a guest room are influenced on the evaluation criteria on comfortability, which further provides important guide meanings in improving, optimizing and designing the comfortability, material lectotype and the like.
Description
Technical field
The present invention relates to a kind of simulation system and method for application thereof, be specifically related to a kind of high speed car body guest room humiture and pressure surge hybrid analog-digital simulation system and method for application.
Background technology
In recent years, along with the fast development of high ferro, the problem of bullet train comfortableness of passenger in operational process is an important problem after the bullet train travelling speed, service reliability, security of operation Journal of Sex Research in succession.This problem has obtained great attention, needs deep studying.But in research process, there are many problems to be badly in need of solving, the lifting optimisation technique of, comfortableness theoretical etc. like bullet train comfortableness modelling technique, Comfort Evaluation.Temperature, humidity, pressure surge hybrid analog-digital simulation method are exactly to study the variation of humiture, three physical parameters of pressure surge in the bullet train guest room to the easypro sex pilot system of ride comfort of passenger in the high speed car body, belong to the category of bullet train comfortableness modelling technique.According to Ministry of Railways's Mid-term and Long-term Plan of the Railway Network outline, to the year two thousand twenty, the operation mileage of national high-speed railway reaches more than 120,000 kilometers, has 1,000 row bullet trains to operate in the road network simultaneously when the time comes.It is thus clear that the market space of the comfortableness research of relevant bullet train is self-evident, humiture, pressure surge hybrid analog-digital simulation method and simulation system thereof will have the market demand widely in the relevant high speed car body.
At present,, can realize the humiture simulation under the general weather conditions, also can realize the simulation of special climate environment such as high temperature low humidity, low temperature and high relative humidity about the humiture analogy method comparative maturity of indoor environment and perfect.The technological means that the means of its simulation adopt industrial air-conditioning unit, dehumidifier, humidifier to combine adopts the adjustment strategy of first temperature adjustment, back damping.
Many countries have successively set up the environmental simulation equipment of all kinds of different scales, to adapt to the development of weapons, aerospace product.Large space environmental simulation equipment like U.S. NASA Johnson space center; The locomotive and the compartment static pressure environmental test equipment at international vehicle development test center, Vienna; Vehicle environmental testing laboratory of Britain Royal Army research institute and Japan build ripple space environment simulation cabin etc., and these large-scale environmental simulation equipment all comprise the gaseous tension analog functuion.These pressure testing devices mainly are the static pressure simulation tests, do not relate to the transient fluctuation problem of pressure.
The inner humiture modelling technique in rolling stock guest room is mainly considered the temperature factor of air; The means major equipment of regulating is the basis with the air-conditioning; Very limited to the regulating power of humidity, the simulation of humidity is remained further research, need to increase special Humidity regulating equipment.The generation of interior pressure fluctuation is the peculiar product of rolling stock under the high-speed cruising environment, and the air ten minutes is small under the low speed effect, pressure surge mainly be appear at the bullet train access tunnel, process crosses.About the pressure surge analogy method and the rig for testing of bullet train under the high velocity environment, associated vehicle factory just under study for action at present.
About humiture, pressure surge while hybrid analog-digital simulation method and testing equipment in the high speed car body guest room are reported both at home and abroad; Existing analogy method is mainly considered the simulation of single factor, can't simulate temperature in the high speed car body guest room, humidity and three parameters of pressure surge simultaneously fully.
Summary of the invention
The technical matters that the present invention will solve is the problem that does not have temperature in the high speed car body guest room, humidity and pressure surge hybrid analog-digital simulation system in the prior art.
Technical scheme of the present invention is: high speed car body guest room humiture and pressure surge hybrid analog-digital simulation system, it mainly by control system, the detection system that is connected with this control system, car body guest room and with the car body guest room in the humiture regulating system, the pressure regulating system that are communicated with constitute.
Further, said detection system is made up of the temperature sensor that is positioned at the car body guest room, humidity sensor, the pressure transducer that are connected with control system.
Further, said humiture regulating system is made up of guest room, air-out air channel, the pneumatic dish valve of outlet in the pneumatic dish valve of import that connects successively, air-conditioning unit, moisture control unit, wind inlet channel, the car.
Further, said control pressurer system mainly by guest room, air-out air channel in the first pressure stability valve that connects successively, the electronic proportional control valve of import, second hand stop valve, wind inlet channel, the car, export electronic proportional control valve, the second pressure stability valve constitutes.
Further, said control pressurer system mainly by guest room, air-out air channel in the first pressure stability valve that connects successively, the electronic proportional control valve of import, air-conditioning unit, Humidity regulating equipment, wind inlet channel, the car, export electronic proportional control valve, the second pressure stability valve constitutes.
Preferably, also be provided with first hand stop valve before the said first pressure stability valve, also be provided with the 3rd hand stop valve behind the said second pressure stability valve.
Further, said control system is a computing machine, and it is connected with air-conditioning unit, Humidity regulating equipment respectively.
Further, said computing machine also is connected with the PID controller, and computing machine is connected with the electronic proportional control valve of import, the electronic proportional control valve of outlet respectively through the PID controller.
Based on above-mentioned simulation system, the present invention also provides the method for application of a kind of high speed car body guest room humiture and pressure surge hybrid analog-digital simulation system, and it comprises:
Temperature, humidity and the pressure wave of a. simulating to computing machine input expectation;
B. open pneumatic dish valve of import and the pneumatic dish valve of outlet;
C. regulate the air-conditioning unit, whether identical by the temperature in the computer judges car body guest room with expectation value, if identical entering next step, if difference then repeats this step;
D. regulate moisture control unit, whether identical by the humidity in the computer judges car body guest room, temperature with expectation value, if identical entering next step, if difference then repeated execution of steps c and d;
E. control the electronic proportional control valve of import, export electronic proportional control valve, the pneumatic dish valve of import and export pneumatic dish valve through controller; Whether by the force value in the computer judges car body guest room is desired pressure value; If identical end test, if difference repeated execution of steps e then.
The present invention compared with prior art has following advantage:
(1) taken into full account incidence relation between air pressure, temperature, three physical parameters of humidity; Temperature variation is big to effects of humidity change; Humidity changes little to influence of temperature change; Humiture changes the pressure surge influence time short, and pressure surge changes the essential characteristics that humiture is changed long action time.Adopted the method for hybrid analog-digital simulation, adopt first temperature adjustment degree, again regulate humidity, regulate the adjusting order of pressure surge at last, realize that the pressure surge of air under specific temperature and humidity conditions simulate.The wind inlet channel and the air-out air channel of the shared car body of humiture regulating system and pressure regulating system self; Compare with single factor analogy method; The experimental enviroment of system is more near the environment in the actual car; Make full use of the bullet train air channel and divide the homogeneity of wind, this modeling scheme Technological Economy property is high, and simulate effect is good.
(2) pressure wave of the present invention's temperature level that can the simulation reconstruction bullet train in actual motion, possibly exist, humidity size, various characteristics.Can set up three all feature set of physical parameter and relationship with comfort; Be that air three parameters further all have important directive significance for the lifting optimal design of comfortableness, the type selecting of material etc. to comfortableness impact assessment standard in the guest room on this basis.Will realize the comfortableness that bullet train is taken, beautiful environment, the able-bodied environment of taking for the passenger provides one, and visible its theory significance, practical significance are all very great.
Description of drawings
Fig. 1 is the structured flowchart of the hybrid analog-digital simulation system of embodiment 1;
Fig. 2 is the structured flowchart of the hybrid analog-digital simulation system of embodiment 2;
Fig. 3 is the control strategy block diagram;
Fig. 4 is expectation pressure waveform figure;
Fig. 5 is the pressure waveform figure of test findings.
Embodiment
The structure of embodiment 1 hybrid analog-digital simulation system
As shown in Figure 1, high speed car body guest room humiture and pressure surge hybrid analog-digital simulation system, it by control system, the detection system that is connected with this control system, car body guest room and with the car body guest room in the humiture regulating system, the pressure regulating system that are communicated with constitute.
Detection system constitutes for the temperature sensor that is positioned at the car body guest room, humidity sensor, the pressure transducer that is connected with control system.So just can detect the correlation parameter in the car body guest room in real time and be transferred to control system.
The humiture regulating system is made up of guest room, air-out air channel, the pneumatic dish valve of outlet in the pneumatic dish valve of import that connects successively, air-conditioning unit, moisture control unit, wind inlet channel, the car.The air channel of car body itself is adopted in wind inlet channel and air-out air channel.
Control pressurer system mainly by guest room, air-out air channel in the first pressure stability valve that connects successively, the electronic proportional control valve of import, second hand stop valve, wind inlet channel, the car, export electronic proportional control valve, the second pressure stability valve constitutes.
Reach protection system when not using for the ease of the control air-flow, also be provided with first hand stop valve before the first pressure stability valve, also be provided with the 3rd hand stop valve behind the said second pressure stability valve.
Control system adopts computing machine, and it is connected with air-conditioning unit, Humidity regulating equipment respectively.So just can be through the unified control of computing machine temperature and humidity.
For the ability controlled pressure, said computing machine also is connected with the PID controller, and computing machine is connected with the electronic proportional control valve of import, the electronic proportional control valve of outlet respectively through the PID controller.
The structure of embodiment 2 hybrid analog-digital simulation systems
As shown in Figure 2, present embodiment and embodiment 1 are basic identical, and its difference is: insert air-conditioning unit, Humidity regulating equipment and then wind inlet channel in the control pressurer system behind the electronic proportional control valve of import.Certainly, just second hand stop valve need be set.
The use of embodiment 3 hybrid analog-digital simulation systems
As shown in Figure 3, on the basis of the hybrid analog-digital simulation system of above-mentioned structure, simulate through following strategy:
Temperature, humidity and the pressure wave of a. simulating to computing machine input expectation;
B. open pneumatic dish valve of import and the pneumatic dish valve of outlet;
C. regulate the air-conditioning unit, by the computer judges sensor to the car body guest room in temperature whether identical with expectation value, if identical entering next step, if difference then repeats this step;
D. regulate moisture control unit, by the computer judges sensor to the car body guest room in humidity, temperature whether identical with expectation value, if identical entering next step, if difference then repeated execution of steps c and d;
E. control the electronic proportional control valve of import, export electronic proportional control valve, the pneumatic dish valve of import and export pneumatic dish valve through controller; By the computer judges sensor to the car body guest room in force value whether be desired pressure value; If identical end test, if difference repeated execution of steps e then.
Experimental result
Import following parameter to computing machine: 20 ℃ of preferred temperatures, expectation humidity 60%, the pressure waveform of expectation is as shown in Figure 4.
The test findings that obtains is: 21 ℃ of test temperatures, and test humidity 61.3%, the pressure waveform of test findings is as shown in Figure 5.
It is thus clear that, this simulation system can satisfy the test needs of broad sense comfort level analogue test platform about humiture, pressure surge.
Claims (9)
1. high speed car body guest room humiture and pressure surge hybrid analog-digital simulation system is characterized in that: it mainly by control system, the detection system that is connected with this control system, car body guest room and with the car body guest room in the humiture regulating system, the pressure regulating system that are communicated with constitute.
2. high speed car body guest room humiture according to claim 1 and pressure surge hybrid analog-digital simulation system is characterized in that: said detection system is made up of the temperature sensor that is positioned at the car body guest room, humidity sensor, the pressure transducer that are connected with control system.
3. high speed car body guest room humiture according to claim 1 and pressure surge hybrid analog-digital simulation system is characterized in that: said humiture regulating system is made up of guest room, air-out air channel, the pneumatic dish valve of outlet in the pneumatic dish valve of import that connects successively, air-conditioning unit, moisture control unit, wind inlet channel, the car.
4. high speed car body guest room humiture according to claim 3 and pressure surge hybrid analog-digital simulation system is characterized in that: said control pressurer system mainly by guest room, air-out air channel in the first pressure stability valve that connects successively, the electronic proportional control valve of import, second hand stop valve, wind inlet channel, the car, export electronic proportional control valve, the second pressure stability valve constitutes.
5. high speed car body guest room humiture according to claim 3 and pressure surge hybrid analog-digital simulation system is characterized in that: said control pressurer system mainly by guest room, air-out air channel in the first pressure stability valve that connects successively, the electronic proportional control valve of import, air-conditioning unit, Humidity regulating equipment, wind inlet channel, the car, export electronic proportional control valve, the second pressure stability valve constitutes.
6. according to claim 4 or 5 described high speed car body guest room humiture and pressure surge hybrid analog-digital simulation systems; It is characterized in that: also be provided with first hand stop valve before the said first pressure stability valve, also be provided with the 3rd hand stop valve behind the said second pressure stability valve.
7. high speed car body guest room humiture according to claim 6 and pressure surge hybrid analog-digital simulation system is characterized in that: said control system is a computing machine, and it is connected with air-conditioning unit, Humidity regulating equipment respectively.
8. high speed car body guest room humiture according to claim 7 and pressure surge hybrid analog-digital simulation system; It is characterized in that: said computing machine also is connected with the PID controller, and computing machine is connected with the electronic proportional control valve of import, the electronic proportional control valve of outlet respectively through the PID controller.
9. the method for application of high speed car body guest room humiture and pressure surge hybrid analog-digital simulation system, it is characterized in that: it comprises:
Temperature, humidity and the pressure wave of a. simulating to computing machine input expectation;
B. open pneumatic dish valve of import and the pneumatic dish valve of outlet;
C. regulate the air-conditioning unit, whether identical by the temperature in the computer judges car body guest room with expectation value, if identical entering next step, if difference then repeats this step;
D. regulate moisture control unit, whether identical by the humidity in the computer judges car body guest room, temperature with expectation value, if identical entering next step, if difference then repeated execution of steps c and d;
E. control the electronic proportional control valve of import, export electronic proportional control valve, the pneumatic dish valve of import and export pneumatic dish valve through controller; Whether by the force value in the computer judges car body guest room is desired pressure value; If identical end test, if difference repeated execution of steps e then.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103837292A (en) * | 2014-03-10 | 2014-06-04 | 奇瑞汽车股份有限公司 | Method for testing negative pressure caused by cooling of battery pack of electric vehicle |
| CN114460843A (en) * | 2022-01-10 | 2022-05-10 | 西南交通大学 | In-vehicle pressure fluctuation iterative learning control method based on condition and performance matching |
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| GB2238405A (en) * | 1989-09-14 | 1991-05-29 | Shimizu Construction Co Ltd | Environmental control system for creating comfortable space |
| CN2716098Y (en) * | 2004-07-06 | 2005-08-10 | 齐金岩 | Inside air-conditioning control device of train wagon for railway transport of passengers |
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| GB2238405A (en) * | 1989-09-14 | 1991-05-29 | Shimizu Construction Co Ltd | Environmental control system for creating comfortable space |
| CN2716098Y (en) * | 2004-07-06 | 2005-08-10 | 齐金岩 | Inside air-conditioning control device of train wagon for railway transport of passengers |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103837292A (en) * | 2014-03-10 | 2014-06-04 | 奇瑞汽车股份有限公司 | Method for testing negative pressure caused by cooling of battery pack of electric vehicle |
| CN103837292B (en) * | 2014-03-10 | 2015-10-28 | 奇瑞汽车股份有限公司 | A kind of batteries of electric automobile bag cools the negative pressure method of testing caused |
| CN114460843A (en) * | 2022-01-10 | 2022-05-10 | 西南交通大学 | In-vehicle pressure fluctuation iterative learning control method based on condition and performance matching |
| CN114460843B (en) * | 2022-01-10 | 2023-09-01 | 西南交通大学 | Condition and performance matching-based vehicle internal pressure fluctuation iterative learning control method |
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Effective date of registration: 20200619 Address after: 610000 Chengdu, Sichuan Shuangliu District Southwest Airport Economic Development Zone Industrial Concentration Zone six phase of Southwest Jiao Tong University Research Institute Patentee after: CHENGDU TIANYOU LUHANG TRACK TRAFFIC TECHNOLOGY Co.,Ltd. Address before: 610000 No. 3, No. 7, building 13, 10 Star Road, Chengdu, Sichuan, Jinniu District Patentee before: Lin Jianhui |