CN101639397A - Temperature adjusting system of integrated sand-blowing dust-blowing environment simulation system and method thereof - Google Patents
Temperature adjusting system of integrated sand-blowing dust-blowing environment simulation system and method thereof Download PDFInfo
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- CN101639397A CN101639397A CN200910089289A CN200910089289A CN101639397A CN 101639397 A CN101639397 A CN 101639397A CN 200910089289 A CN200910089289 A CN 200910089289A CN 200910089289 A CN200910089289 A CN 200910089289A CN 101639397 A CN101639397 A CN 101639397A
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Abstract
The invention discloses a temperature adjusting system of an integrated sand-blowing dust-blowing environment simulation system, comprising a heat exchanger, an electric heater and a cooling medium and heating medium unified allocation network, wherein the each passage is provided with a plurality of valves for controlling flow rate. A heat-transmitting part and a temperature-adjusting part, the separating part and the flow guide part of a sand-blowing wind hole and a dust-blowing wind hole, and hole body structures are combined together, therefore, the system has compact structure and convenient clearance, is an integrated sand and dust environment test device with fast temperature adjustment and continues work capability, has less occupied space, good airflow quality of a test section and low system energy consumption, and is especially suitable for the occasion of continues test.
Description
Technical field:
The present invention relates to a kind of integral type the blow sand humidity control system and the method for blowing dust-blowing environment simulation system.
Background technology:
The sand dust environment is an important environmental factor that causes many engineerings and/or military Weapon Equipment Failure, and its main types of damage has: erosion, wearing and tearing, corrosion and infiltration etc.The test of drifting dust and blast is the important means of check vehicle, aircraft, electric equipment, military hardware environmental suitability and environmental reliability under desert, arid area and dusty wind weather condition.
Existing sand-dust blowing environment/simulation test device system adopts small one and large one two air-conditioning boxs to finish temperature controlling.As shown in Figure 1, Chinese patent ZL200510000070.8 has announced a kind of system, wherein, label 1 is a circulation air path, and 2 is big air-conditioning, and 3 is little air-conditioning, 4 is the surface cooler finned tube, and 5 is the fin electric heater, and 6 are the frequency control blower fan, 7 is big air-conditioning inlet channel, 8 is little air-conditioning inlet channel, and 9 is the air-conditioning return gas channel, and 10 is handpiece Water Chilling Units, 11 is big air conditioner compressed air scavenging pipeline, and 12 is little air conditioner compressed air scavenging pipeline; Such system has these problems:
-owing to used air- conditioning 2 and 3 two air-conditionings of air-conditioning to control the wind-tunnel temperature, make the complex structure of this system, and taken a large amount of spaces, big air-conditioning inlet channel 7, little air-conditioning inlet channel 8 and air-conditioning return gas channel 9 all directly communicate with circulation air path 1, and these passages 7 and 8 have influenced the quality of air-flow in the air channel 1;
-for realizing to temperature controlling, air-conditioning 2 and air-conditioning 3 use recirculated cooling water respectively and from the chilled water of handpiece Water Chilling Units 10 as cooling working medium, and electric heater 5 and frequency control blower fan 6 are housed also in the little air-conditioning box, they match jointly and finish adjustment task under different operating modes and the different thermal loads, cooling working medium is to realize cooling by the surface cooler finned tube 4 of flowing through, corresponding by electric heater 5 realization heating, because air-flow band sand dust, meeting laying dust during by surface cooler finned tube 4 and finned electric heating tube 5, have a strong impact on heat transfer, pressurized air need additionally be set blow down pipeline 11,12, cleaning is extremely inconvenient;
-circulation air path 1 adopts outer insulation construction, and thermal capacitance is very big, when doing low-temperature test again after finishing a hot test, because surface cooler 4 heat transfer areas are limited, needs long time to cool off, and has had a strong impact on the utilization ratio of test/analogue means system.
Summary of the invention:
Technology of the present invention is dealt with problems and is: the following problem that overcomes existing sand-dust blowing scheme:
1) aircondition needs special air-conditioning duct and heat-transfer surface and brings extra operation energy consumption, and the existence of this air-conditioning duct also influences the mobile quality of air-flow in the circulation air path in addition.
2) because air-flow band sand dust in the circulation air path, can laying dust during by surface cooler and during electric heating tube, have a strong impact on heat transfer, and cleaning is extremely inconvenient.
3) utilize the inner existing separation vessel of circulation air path, guide vane and contraction section, realize control gas flow temperature in the circulation air path.A kind of compact conformation is provided, clears up the humidity control system convenient, that equipment efficiency of usage is high.
In the solution of the present invention, heat transfer, thermoregulation part separate with blast, drifting dust wind-tunnel, diversion component and hole body structure combine, compact conformation, cleaning are conveniently, thereby provide a kind of sand dust environment test device of integral type with fast temperature adjusting and continuous working ability, have the advantages that occupied ground is little, the test section flow quality is good, system energy consumption is low, be specially adapted to, the occasion of long run test.
The technological means that comprises among the various embodiment of the present invention comprises:
1) existing U type separation vessel is improved, at U type spare laid inside heat-exchange tube, this multi-functional U type separation vessel is realized the adjusting to temperature.
2) existing guide vane is improved, in three groups of guide vanes the heat interchange through hole is set therein, in other one group of guide vane, electric heater is set, to realize cooling and heated multi-function humidity control system.
3) the contraction section of circulation air path electric heater is set and add electric heater guide vane together realize automotive quick-heat system.
4) refrigerant, heating agent unified allocation of resources network, this allotting network is made up of recirculated cooling water, chilled water, hot water, by the variable valve on pipeline and the pipeline separately realize under the different operating modes and thermal load under the adjustment task.
5) a kind of humidity control system of integral type drifting dust blast environment test device, it is characterized in that: form by recirculated cooling water, handpiece Water Chilling Units, electric boiler, outlet conduit, water return pipeline, guide vane electric heater, contraction section electric heater, guide vane heat interchange through hole, separation vessel heat-exchange tube, recirculated cooling water, handpiece Water Chilling Units, electric boiler link to each other with the U type separation vessel with hot-swap feature with the guide vane with hot-swap feature by pipeline respectively, and electric heater is realized control by the temperature signal that is arranged on test section.
According to one embodiment of present invention, recirculated cooling water, handpiece Water Chilling Units, boiler hot recirculated water and separately pipeline form a refrigerant, heating agent is unified the temperature allotting network, through hole in this allotting network and the three groups of guide vanes and the heat-exchange tube that is positioned at U type separation vessel are connected, flow through heat-exchange tube in the U type separation vessel and the air-flow in the circulation air path of working medium in the allotting network carries out heat interchange, and then the adjusting of realization temperature, working medium is also flowed through, and air-flow carries out heat interchange in heat interchange through hole in three groups of guide vanes and the circulation air path, thereby realizes the adjusting to gas flow temperature in the circulation air path.Refrigerant, heating agent are unified the temperature allotting network and are controlled the flow that changes working medium in U type separation vessel heat-exchange tube and the guide vane through hole by a plurality of valves of regulating on the passage, thereby realize temperature auto control.At contraction section electric heater is installed, and before contraction section, also added electric heater in the guide vane of corner, by the temperature signal that is located at test section electric heater is made the quantity of heat given up that closed-loop control changes electric heater fast again, these two groups of electric heaters have been formed the automotive quick-heat system to the circulation tunnel airstream.The humidity control system in whole circulation air channel is made of jointly the heat interchange and the electric defeated dual mode of heat that adds device of working medium.
Advantage of the present invention: 1) compare with the traditional dust blowing environment test of blowing sand/analogue means system, because the present invention has given up small one and large one two air-conditioning boxs, so eliminated the influence of air-conditioning box ventilating return to flow quality in the circulation air path, and made structure simpler, it is littler to take up space; 2) because the present invention has not had surface cooler and the electric heater in the air-conditioning box, so eliminated inconvenience and the influence of laying dust that the cleaning laying dust brings to conducting heat; 3) the present invention adds the circulating hot water system on the basis of traditional cooling system, cold and hotly uses temperature control system so traditional cooling system has been become more, has improved usage ratio of equipment; 4) the present invention has added electric heating sheets respectively on one group of guide vane before contraction section and the contraction section, can further accelerate the firing rate to air-flow in the circulation air path, improves the work efficiency of system; 5) the present invention lays heat-exchange tube in U type separation vessel, and three groups of remaining guide vanes are transformed, in each guide vane inside through hole is set, respectively heat-exchange tube is linked to each other with cold and hot temperature control system with through hole at last, so made full use of existing device, improved equipment efficiency of usage, the more important thing is has increased heat exchange area, makes heat transfer quicker.
According to an aspect of the present invention, provide the humidity control system that is used for a kind of integral type sand dust environmental simulation system, described integral type sand dust environmental simulation system comprises:
Circulation air path is used to provide the place of blast and dust blowing environment;
Main air blower is used to drive flowing of the interior air-flow of described circulation air path;
Compressed air source and sand dust material system are used to realize the simulation of sand dust environment;
It is characterized in that described humidity control system comprises:
Temperature control system is used for the temperature of described air-flow is controlled,
The heat exchange section of wherein said temperature control system is set within the described circulation air path.
According to another aspect of the present invention, provide the temperature-controlled process that is used for integral type sand dust environmental simulation system, described integral type sand dust environmental simulation system comprises:
Circulation air path is used to provide the place of blast and dust blowing environment;
Main air blower is used to drive flowing of the interior air-flow of described circulation air path;
Compressed air source and sand dust material system are used to realize the simulation of sand dust environment;
Described method is characterised in that:
By the included heat-exchange device of many groups guide vane that is arranged in the described circulation air path, the temperature of the described air-flow in the described circulation air path is controlled.
Description of drawings
Fig. 1 is the connection diagram of existing sand dust environmental test/analogue means system.
Fig. 2 circulation air path of the present invention aerodynamic arrangement structural representation.
Fig. 3 is a circulation air path cut-open view of the present invention.
Fig. 4 A and Fig. 4 B are respectively U type release shaft view and the cut-open views that the present invention has hot-swap feature.
Fig. 5 A and Fig. 5 B are respectively guide vane axonometric drawing and the cut-open views thereof that the present invention has hot-swap feature.
Fig. 6 is the cut-open view of automotive quick-heat system of the present invention.
Fig. 7 is the guide vane cut-open view that the present invention has heating function.
Fig. 8 is the connection layout of each parts in heat interchange working medium of the present invention and the circulation air path.
Fig. 9 is the conventional temperature control system of the present invention.
Reference numeral:
1. circulation air path 101. test sections 102. diffusers 103. segregation sections
104. 105. first contraction sections, 106. second round corner sections, first round corner section.
107. circumference transition 108. power section 109. circle sides transition 110. variable cross section sections
111. the 4th round corner section, the 3rd round corner section 112. 113 stable sections, 114. second contraction sections
1141. electric heater 115. first flow deflectors 116. second flow deflectors 117. the 3rd flow deflector
118. the 4th flow deflector 1181. insulation courses 1182. wear-resistant protective layers 1183. electric heaters
119 guide vane through holes, 2. big air-conditioning 3. little air-conditioning 4. surface coolers
5. electric heater 6. frequency control air-conditionings 7. big air-conditioning inlet channels
8. little air-conditioning inlet channel 9. air-conditioning return gas channels 10. handpiece Water Chilling Units 11. big air-conditioning drifting dust pipelines
12. little air-conditioning drifting dust pipeline 13. main air blowers 14. air-coolers 15. flow straightening grids
16. recirculated cooling water source 161. recirculated cooling water outlet conduits
162. cooling water return pipeline 163. recirculated cooling water outlet valves
164. cooling water return valve 17. handpiece Water Chilling Units
1171. handpiece Water Chilling Units outlet conduit 1172. handpiece Water Chilling Units water return pipelines
1173. handpiece Water Chilling Units outlet water control valve 1174. handpiece Water Chilling Units backwater operation valves
18. electric boiler 19.U type separation vessel 191. heat-exchange tubes
192.U type spare 193. angle steel
Embodiment:
Below in conjunction with accompanying drawing embodiments of the invention are described in further detail.
Blast, blowing dust-blowing environment simulation equipment generally comprise circulation air path 1, compressed air source, sand dust material system, temperature control system, moisture control system, air channel control pressurer system.Wherein, circulation air path is used to provide the place of test specimen in blast and dust blowing environment; Compressed air source, sand dust material system (not shown) are used to realize the sand-dust concentration of experimental situation; Temperature control system, moisture control system, air channel control pressurer system are formed air handling system and are realized being communicated with by pipeline and circulation air path, each pipeline is provided with a plurality of valves, and the setting of valve is for effectively regulating the flow of the sand dust in the air channel, the size of strength, the adjusting of pressure, the adjusting of humidity, the adjusting of temperature etc.
Figure 2 shows that aerodynamic arrangement's structural representation of circulation air path 1 according to an embodiment of the invention, wherein, circulation air path 1 is divided into test section 101, diffuser 102, segregation section 103, first round corner section 104, first contraction section 105, second round corner section 106, circumference transition section 107, power section 108, circle side's transition section 109, variable cross section section 110, the 3rd round corner section 111, the 4th round corner section 112, stable section 113, second contraction section 114 successively by its different structure section.
As shown in Figure 3, be respectively equipped with first flow deflector 115, second flow deflector 116, the 3rd flow deflector 117, the 4th flow deflector 118 in four round corner sections 104,106,111,112; Be provided with main air blower 13 in power section 108, the main air blower outside is provided with and is used for its cooling blower of lowering the temperature 14; In stable section 113, be provided with honeycomb flow straightening grid 15.
During being depicted as according to one embodiment of present invention, Fig. 4 A and 4B be arranged on the cut-open view of the multi-functional U type separation vessel 19 in the segregation section 103.Multi-functional U type separation vessel 19 comprises that U type separation member 192, angle steel fixator 193, heat-exchange tube constitute 191.U type spare 192 is by for example spot-welded on is on angle steel fixator 193, and heat-exchange tube 191 is welded on the bottom of U type spare 192 by for example soldering, thereby has realized having the separation vessel of hot-swap feature.
According to a specific embodiment, heat-exchange tube 191 adopts weldless steel tube or welded still pipe.
During being depicted as according to one embodiment of present invention, Fig. 5 A and 5B be positioned at the cut-open view of the guide vane with hot-swap feature 115,116,117 at 104,106,111 places, circulation air path turning.With guide vane 115 is that example describes, by reserve through hole 119 in the inside of the guide vane 115 that is streamlined curved surface, again in through hole 119 by heat interchange working medium, realized having the guide vane of hot-swap feature.
Figure 6 shows that heating system rapidly and efficiently according to an embodiment of the invention, be equipped with electric heater 1141 within the contraction section 114 in this automotive quick-heat system, and be embedded in electric heater 1183 at the guide vane 118 that is positioned at 112 places, circulation air path round corner section and form automotive quick-heat system, by with being connected of temperature sensor, realize the quick of temperature, efficiently, Ling Min control.
Figure 7 shows that the cut-open view of hot type type guide vane 118 according to an embodiment of the invention, comprising guide vane 118, electric heater 1183, electric heater insulation course 1181, wear-resistant protective layer 1182.According to a specific embodiment, hot type guide vane 118 is implemented in realizing on the basis of air-flow guide function the even Fast Heating of recirculating air to interior air-flow by the electric heater 1183 that portion's embedding within it is connected with temperature sensor again; And contraction section 114 electric heaters 1141 have been formed whole fast temperature control system jointly with electric heater 1183, have quick, efficient, sensitive function.
Wherein, according to a specific embodiment, the electric heater insulation course adopts the insulating material heat-conducting silicone grease of heat conductivility excellence.
In the embodiment of the invention as shown in Figure 8, this temperature control system comprises recirculating cooling water system 16, handpiece Water Chilling Units 17,18 3 kinds of devices that the heat interchange working medium of different temperatures is provided respectively of electric boiler, parallel pipeline and the manually-operated gate that is provided with passed through in the heat interchange working medium source of these three kinds of different temperatures respectively, the conventional temperature control system formed of U type separation vessel 19 by having hot-swap feature and guide vane 115-117 again with hot-swap feature, and realize control by the control valve on the pipeline separately, so just can control gas flow temperature enforcement in the circulation air path to the flow of corresponding heat interchange working medium.Further, be provided with electric heater 1141 (as shown in Figure 6), form a contraction section automotive quick-heat system in contraction section 114 inside.Contraction section 114 is in upstream, test section 101 air channel, temperature effect to test section 101 is the most direct, it is the most obvious to add thermal effect, guide vane 118 the insides at 112 places have also embedded electric heater 20 in the round corner section, two groups of electric heaters 1141 and 20 have been formed automotive quick-heat system, the Fast Heating of air-flow had improved firing rate and efficiency of utilization in two so just can be before test section 101 nearest places realized circulation air path.
Figure 9 shows that conventional temperature control system synoptic diagram according to an embodiment of the invention, wherein, humidity control system working medium is provided by recirculating cooling water system 16, handpiece Water Chilling Units 17, electric boiler 18, adopt the cold and hot temperature control model of using more, recirculated cooling water links to each other by the through hole of pipe special with U type separation vessel 19 heat pipes and guide vane 115-117, by being located at the flow of valve 163 on the recirculating cooling water system outlet conduit 161 and the operation valve 164 on the water return pipeline 162 chilled water when controlling test; The flow of chilled water when the chilled water that comes out from handpiece Water Chilling Units 17 is controlled test by the operation valve 174 on valve on the outlet conduit 171 173 and the water return pipeline 172; The flow of hot water when the circulating hot water of heating is controlled test by the operation valve 184 on operation valve on the outlet conduit 181 183 and the water return pipeline 182 in electric boiler 18.
Wherein the cooling working medium of handpiece Water Chilling Units is provided by recirculating cooling water system 16, and electric boiler is selected suitable power according to actual conditions.
Embodiment 1:
To be presented in an embodiment of the course of work in the equipment according to an embodiment of the invention below:
See also shown in the accompanying drawing, under the driving of main air blower 13, test circulates and satisfies in test section 101 formation of circulation air path 1 The test wind of requirement of experiment in circulation air path 1 with air, blast 18-30m/s, low speed drifting dust 1.5m/s, high speed drifting dust 8.9m/s, in addition closed-loop control of the mode that the size of wind speed can be by adjusting main air blower 13 rotating speeds, the aerodynamic arrangement of circulation air path 1 is as shown in Figure 2.In order to reduce the drag losses of circulation air path 1, be provided with four groups of guide vane 115-118 at four turnings of circulation air path 1; In order to improve the flow quality of test section 101, be provided with second contraction section 114 and stable section 113 in test section 101 upstreams, be provided with flow straightening grid 16 in the stable section 113 to reduce the turbulence level of test section 101; For fear of big particle diameter sand dust particle main air blower 13 blades are damaged, be provided with diffusion disconnected 102 and segregation section 103 in test section 101 outlets, in segregation section 103, be provided with alternative arrangement four row U type separation members 19 down with the wind, diffuser 102 is located between test section 101 and the segregation section 103 reducing the wind speed of segregation section 103 entrance sections, thereby plays the effect of the gas solid separation efficient that improves segregation section 103.
Conventional temperature control in the circulation air path is by being installed in the U type separation vessel 19 with hot-swap feature of segregation section 103, and three groups of being arranged on 104,106,111 places, circulation air path turning have that the guide vane 115-117 of hot-swap feature controls, and the regulated variable of system is test section 101 temperature.The leaving water temperature of recirculated cooling water is 35 ℃, the system's thermal load when being used for balance test section 101 temperature requirements and being 70 ℃ high temperature blast test.The leaving water temperature of handpiece Water Chilling Units 17 is 7 ℃, the system's thermal load when being used for balance normal temperature blast (23 ℃), high temperature drifting dust (70 ℃) test.The water delivering orifice temperature of electric boiler is 90 ℃, is used for the temperature of air-flow in the Rapid Heating Cyclic air channel 1, makes test section 101 temperature reach predefined state fast; Whether the temperature that at first detects test section 101 in process of the test satisfies the requirement of test expection, if temperature is lower than desired temperature, then close the water outlet of recirculated cooling water and the water outlet and the operation valve on the backwater channel 173,174 of operation valve on the backwater channel 163,164 and handpiece Water Chilling Units 17, and, be used for adjusting the hot water flow of U type separation vessel heat-exchange tube 191 and guide vane through hole 119 in the circulation air path 1 and adjust gas flow temperature in the circulation air path by the variable valve on the remote manual adjustment electric boiler exhalant canal 183 variable valve 184 with backwater channel; If the temperature of test section is higher than desired temperature, then close the operation valve 183 of electric boiler water outlet and backwater channel, 184, and adjust the cooling water flow of U type separation vessel heat-exchange tube 191 and guide vane through hole 119 in the circulation air path 1 by remote manual adjustment recirculated cooling water exhalant canal variable valve 163 and backwater channel variable valve 164, exhalant canal variable valve 173 that can also be by regulating remote manual adjustment handpiece Water Chilling Units 17 and backwater channel variable valve 174 are adjusted the chilled-water flow of U type separation vessel heat-exchange tube 191 and guide vane through hole 119 in the circulation air path 1.
Humidity control system working medium is provided by recirculating cooling water system 16, handpiece Water Chilling Units 17, electric boiler 18, adopt the cold and hot temperature control model of using more, recirculated cooling water links to each other by the through hole of pipe special with U type separation vessel 19 heat pipes and guide vane 115-117, by being located at the flow of valve 163 on the recirculating cooling water system outlet conduit 161 and the operation valve 164 on the water return pipeline 162 chilled water when controlling test; The flow of chilled water when the chilled water that comes out from handpiece Water Chilling Units 17 is controlled test by the operation valve 174 on valve on the outlet conduit 171 173 and the water return pipeline 172; The flow of hot water when the circulating hot water of heating is controlled test by the operation valve 184 on operation valve on the outlet conduit 181 183 and the water return pipeline 182 in electric boiler 18.
The fast temperature control system is by being installed in the electric heater 1141 of contraction section 114 inwalls in the circulation air path 1, and the guide vane with hot-swap feature 1183 of 112 inside, circulation air path turning is controlled, the regulated variable of system is test section 101 temperature, and the power of regulating electric heater according to the temperature signal feedback closed loop of test section 101 automatically makes test section 101 temperature satisfy testing requirements.
Effect of the present invention
The present invention can realize the temperature control of sand-dust blowing environment test/simulation system, to satisfy the required temperature conditions of environmental test/simulation, not only simple in structure, realize integrated, and control temperature that can be rapidly and efficiently, can be used for structure through gather, clear up conveniently, the occasion of frequent test.
The content that is not described in detail in the number of the present invention belongs to this area professional and technical personnel's known prior art.
Should be understood that, below in conjunction with the accompanying drawings and embodiments to just explanation but not determinate of description that the present invention carried out, and do not breaking away under the prerequisite of the present invention that limits as appended claims, can carry out various changes, distortion and/or correction the foregoing description.
Claims (10)
1, the humidity control system that is used for integral type sand dust environmental simulation system, described integral type sand dust environmental simulation system comprises:
Circulation air path (1) is used to provide the place of blast and dust blowing environment;
Main air blower (13) is used to drive flowing of the interior air-flow of described circulation air path (1);
Compressed air source and sand dust material system are used to realize the simulation of sand dust environment;
It is characterized in that described humidity control system comprises:
Temperature control system (16,17,18) is used for the temperature of described air-flow is controlled,
The heat exchange section (191,115,116,117,118) of wherein said temperature control system (16,17,18) is set within the described circulation air path (1).
2, humidity control system as claimed in claim 1, wherein said integral type sand dust environmental simulation system further comprise the many groups guide vane (115,116,117,118) that is arranged in the described circulation air path (1),
It is characterized in that described humidity control system comprises:
Be arranged on the nearest interior heating arrangement (1183) of one group of upstream guide vane (118) of test section (101) of the described circulation air path of distance (1), be used for described air-flow is heated;
Be arranged on described many group guide vanes (115,116,117,118) at least one group of guide vane (115 in except that the nearest one group of upstream guide vane (118) of the described test section of described distance (101), 116,117) the heat interchange working medium through hole (119) in, thus make described heat interchange working medium by described at least one group of guide vane (115,116,117) with described air-flow in air carry out heat interchange.
3, humidity control system as claimed in claim 1 or 2 wherein is provided with a plurality of U type separation vessels (19) in the segregation section (103) of described circulation air path (1), described U type separation vessel (19) comprising:
Its opening direction is used for separating the sand dust particle of described air-flow towards the U of the updrift side of described air-flow type separation member (192);
The fixator (193) that is used for fixing described U type separation member (192);
It is characterized in that:
Described humidity control system comprises the heat-exchange tube (191) of the bottom that is connected described U type separation member (192), is used for making the heat interchange working medium that flows through described heat-exchange tube (191) and the air of described air-flow to carry out heat interchange.
4, as the integral type sand dust environmental simulation system of temp regulating function as described in the claim 3, it is characterized in that:
Contraction section (114) inside in the upstream, air channel that is in described test section (101) is provided with electric heater (1141), thereby the described air-flow in the described contraction section is heated.
5, humidity control system as claimed in claim 2, wherein said many group guide vanes comprise four groups of guide vanes (115,116,117,118),
And integral type sand dust environmental simulation system further comprises:
Be used for cooling blower (14) that main air blower is lowered the temperature,
Be arranged on the temperature sensor that described electric heater (1183) is located
It is characterized in that in the nearest one group of upstream guide vane (118) of the test section (101) of the described circulation air path of distance (1), being provided with described heating arrangement (1183), be provided with described heat interchange working medium through hole (119) in its excess-three group blade.
6, the temperature-controlled process that is used for integral type sand dust environmental simulation system, described integral type sand dust environmental simulation system comprises:
Circulation air path (1) is used to provide the place of blast and dust blowing environment;
Main air blower (13) is used to drive flowing of the interior air-flow of described circulation air path (1);
Compressed air source and sand dust material system are used to realize the simulation of sand dust environment;
Described method is characterised in that:
By the included heat-exchange device of many groups guide vane (115,116,117,118) that is arranged in the described circulation air path (1), the temperature of the described air-flow in the described circulation air path (1) is controlled.
7, temperature-controlled process as claimed in claim 6 is characterized in that:
By the nearest interior heating arrangement (1183) of one group of upstream guide vane (118) of the test section (101) that is arranged on the described circulation air path of distance (1), described air-flow is heated;
Heat interchange working medium is passed through at described many group guide vanes (115,116,117,118) at least one group of guide vane (115 in except that the nearest one group of upstream guide vane (118) of the described test section of described distance (101), 116,117) the heat interchange working medium through hole (119) that is provided with in, thus make described heat interchange working medium by described at least one group of guide vane (115,116,117) with described air-flow in air carry out heat interchange.
8, as claim 6 or 7 described temperature-controlled process, wherein in the segregation section (103) of described circulation air path (1), be provided with a plurality of U type separation vessels (19), described U type separation vessel (19) comprising:
Its opening direction is used for separating the sand dust particle of described air-flow towards the U of the updrift side of described air-flow type separation member (192);
The fixator (193) that is used for fixing described U type separation member (192);
Described temperature-controlled process is characterised in that: make the heat-exchange tube (191) of the bottom of heat interchange working medium by being connected described U type separation member (192), thereby make the heat interchange working medium that flows through described heat-exchange tube (191) and the air in the described air-flow carry out heat interchange.
9, temperature-controlled process as claimed in claim 8 is characterized in that comprising:
Utilization is heated the described air-flow in the described contraction section at the inner electric heater (1141) that is provided with of the contraction section (114) of the upstream, air channel that is in described test section (101).
10, temperature-controlled process as claimed in claim 7, wherein
Described many group guide vanes comprise four groups of guide vanes (115,116,117,118), be provided with described heating arrangement (1183) in the nearest one group of upstream guide vane (118) of the test section (101) of the described circulation air path of its middle distance (1), be provided with described heat interchange working medium through hole (119) in its excess-three group blade, and
Described integral type sand dust environmental simulation system further comprises and is arranged on the temperature sensor that described electric heater (1183) is located,
And described temperature-controlled process is characterised in that and comprises and utilize a cooling blower (14) that described main air blower is lowered the temperature.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100892898A CN101639397B (en) | 2009-07-15 | 2009-07-15 | Temperature adjusting system of integrated sand-blowing dust-blowing environment simulation system and method thereof |
| PCT/CN2010/000720 WO2011006344A1 (en) | 2009-07-15 | 2010-05-20 | Temperature regulating device and intelligent temperature control method for sand dust environment test system |
| US13/318,327 US20120048953A1 (en) | 2009-07-15 | 2010-05-20 | Temperature adjusting device and an intelligent temperature control method for a sand and dust environment testing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100892898A CN101639397B (en) | 2009-07-15 | 2009-07-15 | Temperature adjusting system of integrated sand-blowing dust-blowing environment simulation system and method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN101639397A true CN101639397A (en) | 2010-02-03 |
| CN101639397B CN101639397B (en) | 2011-05-18 |
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| CN2009100892898A Expired - Fee Related CN101639397B (en) | 2009-07-15 | 2009-07-15 | Temperature adjusting system of integrated sand-blowing dust-blowing environment simulation system and method thereof |
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Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS63212836A (en) * | 1987-03-02 | 1988-09-05 | Toyo Eng Works Ltd | Variable constant temperature and constant humidity controller for environmental test room for self-propelled vehicle |
| US4799390A (en) * | 1987-03-11 | 1989-01-24 | Kabushiki-Kaisha Toyo Seisakusho | Snow-weathering test apparatus for self-propelled vehicle |
| CN100348964C (en) * | 2005-01-07 | 2007-11-14 | 北京航空航天大学 | Sand/dust blowing environmental test equipment system |
| CN201237396Y (en) * | 2008-05-30 | 2009-05-13 | 珠海格力电器股份有限公司 | Work condition regulating system used for adjacent room environment simulation room |
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| CN110440505A (en) * | 2019-06-27 | 2019-11-12 | 合肥通用机械研究院有限公司 | A kind of wind-tunnel temperature control system of Two-way Cycle refrigerating medium Collaborative Control |
| CN113494988A (en) * | 2020-03-20 | 2021-10-12 | 上海汽轮机厂有限公司 | Ventilation system and application thereof |
| CN114061888A (en) * | 2020-08-03 | 2022-02-18 | 中国科学院西北生态环境资源研究院 | Wind tunnel system for low-temperature and low-pressure wind-sand environment |
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