CN204228376U - A kind of wind-tunnel - Google Patents
A kind of wind-tunnel Download PDFInfo
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- CN204228376U CN204228376U CN201420565306.7U CN201420565306U CN204228376U CN 204228376 U CN204228376 U CN 204228376U CN 201420565306 U CN201420565306 U CN 201420565306U CN 204228376 U CN204228376 U CN 204228376U
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Abstract
The utility model relates to fluid mechanics equipment, is specifically related to a kind of wind-tunnel tested for the comprehensive climatic enwronmental test of rail vehicle and aerodynamics.This wind-tunnel comprises hole body, and described hole body is annular channel, is provided with the ventilating system for generation of air-flow in the body of hole, described hole body is also provided with environmental simulation system and aerodynamic simulations system; Described environmental simulation system is for controlling the weather conditions in the body of described hole; Described aerodynamic simulations system is used for making described air-flow form aerodynamics.This wind-tunnel not only can carry out the climatic enwronmental test of rail traffic vehicles car load real vehicle, also can carry out the aerodynamics test of rail traffic vehicles scale model; On the basis meeting rail vehicle test demand, relevant environment test and the aerodynamics test in the fields such as Aero-Space, automobile, building can also be used for.
Description
Technical field
The utility model relates to fluid mechanics equipment, particularly relates to a kind of wind-tunnel tested for the comprehensive climatic enwronmental test of rail vehicle and aerodynamics.
Background technology
At present, the adaptability of climatic environment is the major consideration of rail traffic vehicles design, and is the important leverage of rail vehicle Design and optimization, the manufacturing for the experimental test ability of Different climate environment.The extreme climate environments such as high/low temperature, sleet, accumulated ice cause significant impact to the safety of rail vehicle, Effec-tive Function.In the design process of rail vehicle, need to adopt an effective measure, eliminate the adverse effect that adverse weather condition causes vehicle operating to greatest extent, make it have round-the-clock running function completely.The domestic wind-tunnel not carrying out comprehensive climatic enwronmental test for rail vehicle at present.
Aerodynamic performance is the major consideration of bullet train research and development, and aeroperformance test is the important means of bullet train pneumatic design, and wind tunnel test is the important means of bullet train pneumatic design.Numerical evaluation, wind tunnel experiment, real vehicle circuit are tested, and have become the three kinds of means connecting each other, mutually supplement and mutually verify solving train aerodynamics problem.Current domestic existing wind-tunnel spininess, for fields such as Aero-Space, automobile, buildings, does not carry out the wind-tunnel of aerodynamics test for rail vehicle.
Therefore, for above deficiency, need a kind of climatic enwronmental test that not only can carry out rail traffic vehicles car load real vehicle, also can carry out the wind-tunnel of the aerodynamics test of rail traffic vehicles scale model.
Utility model content
(1) technical matters that will solve
The technical problems to be solved in the utility model there is provided a kind of wind-tunnel, makes the climatic enwronmental test that not only can carry out rail traffic vehicles car load real vehicle, also can carry out the wind-tunnel of the aerodynamics test of rail traffic vehicles scale model.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of wind-tunnel, and it comprises hole body, and described hole body is annular channel, in the body of hole, be provided with the ventilating system for generation of air-flow, described hole body be also provided with environmental simulation system and aerodynamic simulations system; In the body of described hole, be provided with test zone, described environmental simulation system and aerodynamic simulations system share described test zone; The test section of described aerodynamic simulations system is inserted in described test zone, and switches with described environmental simulation system; Described environmental simulation system is for controlling the weather conditions in the body of described hole; Described aerodynamic simulations system is used for making described air-flow form aerodynamics.
Wherein, described environmental simulation system comprises humiture control unit, solar radiation unit and sleet ice regulation and control unit;
Described humiture control unit comprises temperature adjusting unit, humidity regulation unit and heat interchanger, and described heat interchanger is positioned at hole body, and described temperature adjusting unit is connected with heat interchanger, for regulating the temperature in the body of hole; Described humidity regulation unit is arranged on the body of hole, for regulating the humidity in the body of hole;
Described solar radiation unit comprises support, sensor and multiple radial burner, and described multiple radial burner is hinged on sidewall and the top of described hole body by support; Described sensor setting in the body of described hole, for sensing the light intensity that described multiple radial burner produces;
Described sleet ice regulation and control unit comprises artificial snow-making unit, water treatment unit and jetting system, described jetting system is provided with multiple shower nozzle, described multiple shower nozzle is installed in the body of hole movably, and described artificial snow-making unit and water treatment machine group are connected with described multiple shower nozzle respectively.
Wherein, described environmental simulation system also comprises wheel shaft driver element, and described wheel shaft driver element is arranged in the body of hole, for driving the rotation of wheel of rail vehicle to be measured.
Wherein, described aerodynamic simulations system comprises the contraction section, test section and the diffuser that connect successively, described contraction section, test section and diffuser are installed in the body of hole respectively movably, be provided with in described contraction section and rotate floor, described rotation floor is used for supporting and being with motor vehicle scale model to deflect.
Wherein, the bottom of described contraction section, test section and diffuser is respectively equipped with pulley; Slide rail is provided with in the body of described hole; Described pulley is arranged on slide rail.
Wherein, described rotation floor comprises back up pad, turntable, getter device and blowning installation; Described getter device and blowning installation are installed on the supporting plate respectively; Described back up pad is arranged on turntable, and rotates under turntable drives; Described turntable is arranged on contraction section.
Wherein, the shape of described contraction section and diffuser is horn-like or pyramidal.
Wherein, described ventilating system comprises blower fan, and described blower fan is positioned at hole body.
Wherein, the corner of described hole body is respectively equipped with flow deflector.
Wherein, this wind-tunnel also comprises operating platform, and described operating platform is electrically connected with described ventilating system, environmental simulation system and aerodynamic simulations system by control module.
(3) beneficial effect
Technique scheme of the present utility model has following beneficial effect: the utility model wind-tunnel not only can carry out the climatic enwronmental test of rail traffic vehicles car load real vehicle, also can carry out the aerodynamics test of rail traffic vehicles scale model; On the basis meeting rail vehicle test demand, relevant environment test and the aerodynamics test in the fields such as Aero-Space, automobile, building can also be used for; Utilize environmental simulation system can simulate the common weather conditions of nature such as different wind speed, different humiture, solar radiation, rain, snow, ice by high-quality, comprehensive degree is higher; Aerodynamic simulations system is utilized to have higher aerodynamics quality on the basis ensureing higher wind.
Accompanying drawing explanation
Fig. 1 is the principle schematic of the utility model embodiment;
Fig. 2 is the schematic diagram of the utility model embodiment environmental simulation system;
Fig. 3 is the schematic diagram of the utility model embodiment aerodynamic simulations system;
Fig. 4 is the utility model embodiment hole body is horizontal vertical view;
Fig. 5 is the utility model embodiment hole body is horizontal front elevation;
Fig. 6 is the utility model embodiment hole body is vertical vertical view;
Fig. 7 is the utility model embodiment hole body is vertical front elevation.
Wherein, 1: hole body; 2: ventilating system; 3: environmental simulation system; 4: aerodynamic simulations system; 5: humiture control unit; 6: solar radiation unit; 7: sleet ice regulation and control unit; 8: wheel shaft driver element; 9: auxiliary power unit; 10: operating platform; 11: control module; 12: flow deflector; 13: vehicle scale model; 41: contraction section; 42: test section; 43: diffuser; 44: pulley; 45: slide rail; 46: back up pad; 47: turntable; 51: temperature adjusting unit; 52: humidity regulation unit; 53: heat interchanger; 61: radial burner; 71: water treatment unit; 72: jetting system.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples for illustration of the utility model, but can not be used for limiting scope of the present utility model.
In description of the present utility model, except as otherwise noted, the implication of " multiple " is two or more; Except as otherwise noted, the implication of " nick shaped " is the shape except cross section is concordant.Term " on ", D score, "left", "right", " interior ", " outward ", " front end ", " rear end ", " head ", the orientation of the instruction such as " afterbody " or position relationship be based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second ", " the 3rd " etc. only for describing object, and can not be interpreted as instruction or hint relative importance.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary.For the ordinary skill in the art, concrete condition the concrete meaning of above-mentioned term in the utility model can be understood.
As shown in Figure 1, the present embodiment provides a kind of wind-tunnel, and it comprises hole body 1, ventilating system 2, environmental simulation system 3 and aerodynamic simulations system 4; Hole body 1 is annular channel, in hole body 1, circulating current is formed by ventilating system 2, ventilating system 2 can adopt large axial flow fan and nozzle composition, not only can drive the gas flowing in whole wind-tunnel space and circulation, also can meet and drive the heat of heat interchanger, the requirement of cold circulation in high and low temperature environment downstream, and the wind speed met under the climatic environments such as sleet requires.In addition, ventilating system 2, meeting the air quantity under various weather conditions, while wind speed requires, can also overcome the SR of whole wind-tunnel entirety.Aerodynamic simulations system 4 forms different flow field for making air-flow, effectively to carry out aerodynamics test; Environmental simulation system 3, for controlling the weather conditions in hole body 1, can simulate different environment, such as: can simulate different wind speed, different temperatures, different humidity, solar radiation, rainfall snowfall, sleet, accumulated ice; Specifically, climatic enwronmental test wind speed range: 0 ~ 350km/h; Aerodynamics test wind speeds: 0 ~ 500km/h; Temperature range :-50 DEG C ~+60 DEG C; Humidity range: 10% ~ 98%; Intensity of solar radiation scope: 200 ~ 1200W/m
2; Rainfall intensity scope: 20 ~ 250mm/h.This wind-tunnel not only can carry out the experimental test under the single climatic environment of rail vehicle, also can carry out the experimental test under multiple comprehensive climatic, adds radiation environment as simulated warm and humid, hygrothermal environment, high temperature, high and coldly adds radiation environment etc.
As shown in Figure 2, the present embodiment environmental simulation system 3 comprises humiture control unit 5, solar radiation unit 6 and sleet ice regulation and control unit 7;
Wherein, humiture control unit 5 comprises temperature adjusting unit 51, humidity regulation unit 52 and heat interchanger 53, and temperature adjusting unit 51 is connected with heat interchanger 53, and heat interchanger 53 is positioned at hole body 1, for regulating the temperature in hole body 1; Temperature adjusting unit 51 has refrigeration, heat-production functions, and compression-type refrigeration mode can be adopted to lower the temperature, and adopts auxiliary electrical heater or Steam Heating mode to heat up; Correspondingly, humidity regulation unit 52 has humidification and dehumidification function, and stream mode can be adopted to carry out humidification, adopts freeze drying mode to dehumidify.
Wherein, solar radiation unit 6 comprises support, sensor and multiple radial burner 61, and multiple radial burner 61 is arranged in hole body 1, and hinged with support, continuous effective can adjust angle of radiation, the light intensity that sensor produces for sensing multiple radial burner 61; Preferably, multiple radial burner 61 is arranged in sidewall and the top of hole body 1 equably.Certainly, solar radiation unit 6 is in order to realize better control and convenient adjustment, and it can also be provided with voltage stabilizer, switch board and temperature control system, and any transformation that the basis of the present embodiment solar radiation unit 6 is carried out all belongs to protection domain of the present utility model.
Wherein, sleet ice regulation and control unit 7 comprises artificial snow-making unit, water treatment unit 71 and jetting system 72, and artificial snow-making unit is connected with jetting system 72 respectively with water treatment unit 71, and jetting system 72 is installed in hole body 1 movably.Jetting system 72 comprises multiple shower nozzle, multiple shower nozzle is installed on top and the front portion in hole body 1 build-in test region movably, sleet can be made to cover whole test zone, adopt portable spray tip arbitrarily can convert nozzle position, sleet can be ejected into bogie, lower area waited for bus by equipment compartment.And for accumulated ice, sleet weather conditions, it is that low temperature environment and rainfall, snowfall are combined and realized, by the mode of discontinuous spray precipitation, is progressively reduced in sub-zero process in wind-tunnel environment temperature, forms sleet, accumulated ice gradually.After off-test, sleet, accumulated ice are discharged outside wind-tunnel by pumping equipment after being merged by heating deicing device.
In the present embodiment, environmental simulation system 3 also comprises wheel shaft driver element 8, and wheel shaft driver element 8 is arranged in hole body 1; The rotation operating mode of the mode simulating wheel that driving wheel can be adopted to drive rail vehicle wheel to rotate, can simulate the operating modes such as constant speed, acceleration, deceleration, braking.Be worth illustrating, the structure of environmental simulation system 3 and the environmental baseline that can simulate are not limited thereto, and can also increase other simulation system on this basis, such as auxiliary power unit 9, and other nature weather conditions also can realize simulation, and degree of integration is higher.
Have the function of aerodynamics test and climatic enwronmental test in the present embodiment concurrently, the conversion that climatic enwronmental test is tested to aerodynamics, realized by the mode inserting aerodynamics system test section at test zone.
As shown in Figure 3, aerodynamic simulations system 4 comprises the contraction section 41, test section 42 and the diffuser 43 that connect successively, and wherein contraction section 41, test section 42 and diffuser 43 are installed in hole body 1 respectively movably.The shape of contraction section 41 and diffuser 43 can be tubaeform or pyramid.Be provided with in contraction section 41 and rotate floor, rotate floor and be used for supporting and being with motor vehicle scale model 13 to deflect.
This contraction section 41, test section 42 and diffuser 43 can adopt steel plate and shell structure.Meanwhile, for convenience of its turnover environmental test section, preferably, the slide rail 45 that contraction section 41, test section 42 and the bottom of diffuser 43 are respectively equipped with pulley 44 and are connected with pulley 44.Certainly, also can for replacing with the travelling car with wheel for pulley 44 and slide rail 45, dolly, by being laid on the rail moving on wind-tunnel ground, makes to enter wind-tunnel successively between different piece.Contraction section 41, between test section 42 and diffuser 43 by flange connect, and to seal.
The present embodiment aerodynamics experimental test section has higher aerodynamics quality, and rotate floor and have 360 degree of rotatory powers, the minimum anglec of rotation is less than 0.2 degree, can analog side wind scorpion.Rotate floor and comprise back up pad 46, turntable 47, getter device and blowning installation; Getter device and blowning installation are arranged in back up pad 46 respectively; Back up pad 46 is arranged on turntable 47, and rotates under turntable 47 drives.Thus drive train model to rotate.Force balance is built in train model inside, can to the measurement of model realization aerodynamic force.Install getter device additional in back up pad 46, absorb surface boundary layer, also can install blowning installation additional, simulation ground moving.
As shown in figs. 4-7, for this wind-tunnel, be divided into vertical and horizontal type structure two kinds from integral layout, vertical structure effectively can reduce floor area, and horizontal type structure compares the vertical engineering difficulty reducing civil engineering, equipment installation aspect.All have climatic enwronmental test and aerodynamic performance test function for vertical and horizontal type structure, in wind-tunnel, various equipment layout is consistent, and just body building in peripheral hole is horizontal or vertical.This enforcement is only described for horizontal layout, and vertical layout is general equally.Flow deflector 12 is respectively equipped with, to ensure to form stable circulation in the corner of hole body 1.Be worth illustrating, no matter wind-tunnel one-piece construction is vertical or horizontal layout, or the various arrangement form such as be in tilted layout, all belong to protection domain of the present utility model.
Meanwhile, be provided with test zone in hole body 1, environmental simulation system 3 and aerodynamic simulations system 4 share a test zone.Wherein, the test section of aerodynamic simulations system 4 can be inserted in this test zone, and switches with environmental simulation system 3, thus realizes the conversion of climatic environment test function to the aerodynamics test function of scale model of car load real vehicle.
In addition, the present embodiment wind-tunnel also comprises operating platform 10, operating platform 10 is electrically connected with ventilating system 2, environmental simulation system 3 and aerodynamic simulations system 4 by control module 11, all systems are by control module 11 integrating control, by the control system integration of various utility appliance in the test of single subsystem and control system and wind-tunnel on a unified report control platform, to various climatic test system and various kinds of equipment unified management.According to pilot project demand, different tentative modules can be set, the test figure of different test event.Can synchronous acquisition carry out aftertreatment in real time by forms such as charts, improve test efficiency, reduce experimentation cost.
In sum, the utility model wind-tunnel not only can carry out the climatic enwronmental test of rail traffic vehicles car load real vehicle, also can carry out the aerodynamics test of rail traffic vehicles scale model; On the basis meeting rail vehicle test demand, relevant environment test and the aerodynamics test in the fields such as Aero-Space, automobile, building can also be used for; Utilize environmental simulation system can simulate the common weather conditions of nature such as different wind speed, different humiture, solar radiation, rain, snow, ice by high-quality, comprehensive degree is higher; Aerodynamic simulations system is utilized to have higher aerodynamics quality on the basis ensureing higher wind.
Embodiment of the present utility model provides for the purpose of example and description, and is not exhaustively or by the utility model be limited to disclosed form.Many modifications and variations are apparent for the ordinary skill in the art.Selecting and describing embodiment is in order to principle of the present utility model and practical application are better described, and enables those of ordinary skill in the art understand the utility model thus design the various embodiments with various amendment being suitable for special-purpose.
Claims (10)
1. a wind-tunnel, comprise hole body (1), described hole body (1) is annular channel, the ventilating system (2) for generation of air-flow is provided with in hole body (1), it is characterized in that, described hole body (1) is also provided with environmental simulation system (3) and aerodynamic simulations system (4); In described hole body (1), be provided with test zone, described environmental simulation system (3) and aerodynamic simulations system (4) share described test zone; The test section of described aerodynamic simulations system (4) is inserted in described test zone, and switches with described environmental simulation system (3); Described environmental simulation system (3) is for controlling the weather conditions in described hole body (1); Described aerodynamic simulations system (4) forms aerodynamics for making described air-flow.
2. wind-tunnel according to claim 1, is characterized in that, described environmental simulation system (3) comprises humiture control unit (5), solar radiation unit (6) and sleet ice regulation and control unit (7);
Described humiture control unit (5) comprises temperature adjusting unit (51), humidity regulation unit (52) and heat interchanger (53), described heat interchanger (53) is positioned at hole body (1), described temperature adjusting unit (51) is connected with heat interchanger (53), for regulating the temperature in hole body (1); Described humidity regulation unit (52) is arranged on hole body (1), for regulating the humidity in hole body (1);
Described solar radiation unit (6) comprises support, sensor and multiple radial burner (61), and described multiple radial burner (61) is hinged on sidewall and the top in described hole body (1) by support; Described sensor setting in described hole body (1), for sensing the light intensity that described multiple radial burner (61) produces;
Described sleet ice regulation and control unit (7) comprises artificial snow-making unit, water treatment unit (71) and jetting system (72), described jetting system (72) is provided with multiple shower nozzle, described multiple shower nozzle is installed in hole body (1) movably, and described artificial snow-making unit is connected with described multiple shower nozzle respectively with water treatment unit (71).
3. wind-tunnel according to claim 2, it is characterized in that, described environmental simulation system (3) also comprises wheel shaft driver element (8), described wheel shaft driver element (8) is arranged in hole body (1), for driving the rotation of wheel of rail vehicle to be measured.
4. wind-tunnel according to claim 1, it is characterized in that, described aerodynamic simulations system (4) comprises the contraction section (41), test section (42) and the diffuser (43) that connect successively, described contraction section (41), test section (42) and diffuser (43) are installed in hole body (1) respectively movably, be provided with in described contraction section (41) and rotate floor, described rotation floor is used for supporting and being with motor vehicle scale model (13) to deflect.
5. wind-tunnel according to claim 4, is characterized in that, the bottom of described contraction section (41), test section (42) and diffuser (43) is respectively equipped with pulley (44); Slide rail (45) is provided with in described hole body (1); Described pulley (44) is arranged on slide rail (45).
6. wind-tunnel according to claim 4, is characterized in that, described rotation floor comprises back up pad (46), turntable (47), getter device and blowning installation; Described getter device and blowning installation are arranged in back up pad (46) respectively; Described back up pad (46) is arranged on turntable (47), and rotates under turntable (47) drives; Described turntable (47) is arranged on contraction section (41).
7. wind-tunnel according to claim 4, is characterized in that, the shape of described contraction section (41) and diffuser (43) is horn-like or pyramidal.
8. wind-tunnel according to claim 1, is characterized in that, described ventilating system (2) comprises blower fan, and described blower fan is positioned at hole body (1).
9. wind-tunnel according to claim 1, is characterized in that, the corner in described hole body (1) is respectively equipped with flow deflector (12).
10. wind-tunnel according to claim 1, it is characterized in that, also comprise operating platform (10), described operating platform (10) is electrically connected with described ventilating system (2), environmental simulation system (3) and aerodynamic simulations system (4) by control module (11).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420565306.7U CN204228376U (en) | 2014-09-28 | 2014-09-28 | A kind of wind-tunnel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420565306.7U CN204228376U (en) | 2014-09-28 | 2014-09-28 | A kind of wind-tunnel |
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| CN204228376U true CN204228376U (en) | 2015-03-25 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104280204A (en) * | 2014-09-28 | 2015-01-14 | 南车青岛四方机车车辆股份有限公司 | Wind tunnel |
| CN105628331A (en) * | 2015-12-28 | 2016-06-01 | 中国航天空气动力技术研究院 | Energy-saving environment-friendly layout of large-scale routine hypersonic wind tunnel |
| CN107036652A (en) * | 2017-04-12 | 2017-08-11 | 林波荣 | The indoor environment monitoring system and method for a kind of combination architectural environment simulation |
| CN110006619A (en) * | 2019-05-23 | 2019-07-12 | 重庆大学 | A kind of multi-function windtunnel for simulating disaster-ridden evil coupling |
| CN113494988A (en) * | 2020-03-20 | 2021-10-12 | 上海汽轮机厂有限公司 | Ventilation system and application thereof |
-
2014
- 2014-09-28 CN CN201420565306.7U patent/CN204228376U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104280204A (en) * | 2014-09-28 | 2015-01-14 | 南车青岛四方机车车辆股份有限公司 | Wind tunnel |
| CN104280204B (en) * | 2014-09-28 | 2017-05-03 | 中车青岛四方机车车辆股份有限公司 | Wind tunnel |
| CN105628331A (en) * | 2015-12-28 | 2016-06-01 | 中国航天空气动力技术研究院 | Energy-saving environment-friendly layout of large-scale routine hypersonic wind tunnel |
| CN105628331B (en) * | 2015-12-28 | 2017-12-22 | 中国航天空气动力技术研究院 | The energy-conserving and environment-protective system of large-scale conventional hypersonic wind tunnel |
| CN107036652A (en) * | 2017-04-12 | 2017-08-11 | 林波荣 | The indoor environment monitoring system and method for a kind of combination architectural environment simulation |
| CN107036652B (en) * | 2017-04-12 | 2019-07-09 | 林波荣 | A kind of indoor environment monitoring system and method for the simulation of combination architectural environment |
| CN110006619A (en) * | 2019-05-23 | 2019-07-12 | 重庆大学 | A kind of multi-function windtunnel for simulating disaster-ridden evil coupling |
| CN110006619B (en) * | 2019-05-23 | 2023-12-08 | 重庆大学 | Multifunctional wind tunnel simulating multi-disaster coupling |
| CN113494988A (en) * | 2020-03-20 | 2021-10-12 | 上海汽轮机厂有限公司 | Ventilation system and application thereof |
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Address after: Chengyang District of Shandong city of Qingdao province Jinhong road 266111 No. 88 Patentee after: CRRC QINGDAO SIFANG CO., LTD. Address before: Chengyang District of Shandong city of Qingdao province Jinhong road 266111 No. 88 Patentee before: CSR Qingdao Sifang Locomotive and Rolling Stock Co., Ltd. |