CN202869772U - Airflow simulation experiment apparatus - Google Patents
Airflow simulation experiment apparatus Download PDFInfo
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- CN202869772U CN202869772U CN 201220564250 CN201220564250U CN202869772U CN 202869772 U CN202869772 U CN 202869772U CN 201220564250 CN201220564250 CN 201220564250 CN 201220564250 U CN201220564250 U CN 201220564250U CN 202869772 U CN202869772 U CN 202869772U
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Abstract
The utility model provides an airflow simulation experiment apparatus, comprising a simulation cavity, an air inlet mechanism used for controlling air to enter into the simulation cavity, wherein the air inlet mechanism is at least arranged at the top portion of the simulation cavity, and the air inlet mechanism is communicated with the air inlet of the simulation cavity; an air exhaust mechanism used for controlling air to be exhausted from the simulation cavity, wherein the air exhaust mechanism is at least arranged at the bottom portion of the simulation cavity, and the air exhaust mechanism is communicated with the air outlet of the simulation cavity; and a testing mechanism used for collecting airflow data inside the simulation cavity and arranged inside the simulation cavity. The airflow simulation experiment apparatus is simple in structure, can be used for simulating the airflow environment inside a real space, and is high in simulation realness, such that when a real space with high airflow environment demands, such as a white room, etc., is designed, it is firstly needed to perform an airflow environment simulation experiment, in order to design a real space reasonable in airflow environment according to experiment parameters.
Description
Technical field
The utility model relates to the experimental provision technology, relates in particular to a kind of simulation of air flow experimental provision.
Background technology
Large-scale or ultra-large type space, particularly toilet are dropped into very hugely, in case design error occurs, will have serious consequences.Therefore, during the space that is necessary in design toilet etc. the air-flow environment to be had relatively high expectations, the simulated experiment of advanced promoting the circulation of qi stream is to design large space or the super large space such as the rational toilet of air-flow environment according to experiment parameter.
In the prior art, a kind of air flow simulating method based on physical simulation and system thereof have been proposed, a kind of method of utilizing software program air-flow to be carried out analogue simulation has been described, realized the Realistic Rendering of virtual scene in the cartoon making, but the large space that relates to for the engineering application and the simulation of super large space air-flow, because many grids dynamic modeling analogue technique is immature and data operation quantity is huge, so the method realizes difficulty.And simulation of air flow emulation (CFD) software that at present commercial affairs are used, such as fluent, CFX etc., often adopt the method for simple black module to carry out analogue simulation to complicated physical models such as irregularly shaped object motions, number of computations is huge, need by mainframe computer, with high costs, and simulation result and the larger error of actual motion existence, can't reach real requirement.
The utility model content
In view of this, the utility model provides a kind of simulation of air flow experimental provision, solves the air-flow analogue simulation hard problem to large space or super large interior volume, can realize the analogue simulation to air-flow in large space or the super large space.
The technical solution of the utility model is as follows:
A kind of simulation of air flow experimental provision comprises:
One simulation chamber;
Be used for the air inlet mechanism that control gas enters described simulation chamber, be arranged at least the top of described simulation chamber, and described air inlet mechanism communicate with the air inlet of described simulation chamber;
Be used for control gas and discharge the air draft mechanism of described simulation chamber, be arranged at least the bottom of described simulation chamber, and described air draft mechanism communicates with the air outlet of described simulation chamber; And,
For the mechanism for testing of the airstream data that gathers described simulation chamber interior, be located at the inside of described simulation chamber.
Further, described simulation of air flow experimental provision comprises that also one is used for adjusting according to the airstream data of described mechanism for testing collection the first control gear of the air intake state of described air inlet mechanism, described the first control gear is connected with described air inlet mechanism, and the air intake state of wherein said air inlet mechanism comprises air port size and/or the air intake wind speed of described air inlet mechanism;
And/or,
Described simulation of air flow experimental provision comprises that also one is used for adjusting according to the airstream data of described mechanism for testing collection the second control gear of the air draft state of described air draft mechanism, described the second control gear is connected with described air draft mechanism, and the air draft state of wherein said air draft mechanism comprises air port size and/or the air draft wind speed of described air draft mechanism.
Further, described simulation of air flow experimental provision comprises that also one is arranged at the simulation mechanism of described simulation chamber interior.
Further, described simulation mechanism is can be in the skimulated motion mechanism of described simulation chamber interior motion.
Further, described simulation of air flow experimental provision comprises that also one is used for controlling the 3rd control gear of the motion state of described skimulated motion mechanism, and described the 3rd control gear is connected with described skimulated motion mechanism.
Further, described air inlet mechanism comprises a plurality of blower modules; A plurality of described blower modules adopt removably to connect, and are uniformly distributed in the top of described simulation chamber.
Further, described air draft mechanism comprises a plurality of floor modules with perforate; A plurality of described floor modules adopt removably to connect, and are uniformly distributed in the bottom of described simulation chamber.
Further, described simulation chamber interior is distributed with a plurality of test mounting points be used to connecting described mechanism for testing, and described mechanism for testing removably is connected at least one described test mounting points.
Further, described mechanism for testing comprises be used to the wind speed tester of the wind speed of testing described simulation chamber interior and/or is used for testing the air pressure tester of the air pressure of described simulation chamber interior.
Further, described simulation of air flow experimental provision comprises that also one can return to the gas that described air draft mechanism discharges the return air mechanism of described air inlet mechanism, and described return air mechanism is communicated with respectively the air port of described air inlet mechanism and the air port of described air draft mechanism.
Further, described return air mechanism comprises:
Be located at the return air deck of the below of described air draft mechanism, form the cavity volume that communicates with the air port of described air draft mechanism between described return air deck and the described air draft mechanism, and offer the air vent that communicates with described cavity volume at the sidewall on described return air deck, described air vent is communicated with the air port of described air inlet mechanism.
Further, described simulation of air flow experimental provision also comprises the windage analog board that is used for measuring and calculating windage value at the air outlet position place that is located at described simulation chamber.
The beneficial effects of the utility model are as follows:
Simulation of air flow experimental provision of the present utility model simple in structure, can simulate the air-flow environment of real space inside, the simulates real solidity is high, therefore, during the real space that can have relatively high expectations to the air-flow environment in design toilet etc., the simulated experiment of advanced promoting the circulation of qi stream environment is to design the rational real space of air-flow environment according to experiment parameter.
Description of drawings
Fig. 1 represents the structural representation of the first embodiment of simulation of air flow experimental provision of the present utility model;
Fig. 2 represents the STRUCTURE DECOMPOSITION figure of the first embodiment of simulation of air flow experimental provision of the present utility model;
Fig. 3 represents the structural representation of the second embodiment of simulation of air flow experimental provision of the present utility model;
Fig. 4 represents the STRUCTURE DECOMPOSITION figure of the second embodiment of simulation of air flow experimental provision of the present utility model.
Embodiment
Below in conjunction with accompanying drawing principle of the present utility model and feature are described, institute gives an actual example and only is used for explaining the utility model, is not be used to limiting scope of the present utility model.
Simulation of air flow experimental provision provided by the utility model can be realized the simulation to the internal gas flow environment of real space.Fig. 1 to Fig. 4 is the structural representation of simulation of air flow experimental provision provided by the utility model.This simulation of air flow experimental provision mainly comprises simulation chamber 100, air inlet mechanism 200, air draft mechanism 300 and mechanism for testing 500.
Wherein, simulation chamber 100 is used for the simulation real space, its with the real space of simulation in the first ratio micro;
Mechanism for testing 500 is used for gathering the airstream data of simulating chamber 100 inside, is arranged at the inside of simulation chamber 100.
Simulation of air flow experimental provision provided by the utility model, utilize mechanism for testing 500 to gather the airstream data of simulation chamber 100 inside, in time adjust the air intake state of air inlet mechanism 200 and/or the air draft state of air draft mechanism 300 according to airstream data, to adjust the air motion state in the simulation chamber 100, until the air motion state in the simulation chamber 100 reaches requirement, finish the actual effect simulation to the air motion state of real space inside, obtain rational experimental data, thereby, during the real space of the air-flow environment being had relatively high expectations in design toilet etc., according to real spaces such as the rational toilets of experimental data appropriate design air-flow environment, to avoid design error, reduce the loss that design error causes; And the airstream data that mechanism for testing 500 gathers is dynamic real time data, and the simulates real solidity is high.
Need to prove, in simulation of air flow device provided by the utility model, because the airflow pattern of the inside, toilet of high-cleanness grade generally is to adopt vertical way flow pattern, therefore, the air inlet mechanism 200 of this simulation of air flow device is arranged at the top of simulation chamber 100, and air draft mechanism 300 is arranged at the bottom of simulation chamber 100, like this, and can be in the vertical one-way gas flow of simulation chamber 100 inner formation.Yet toilet's internal gas flow flow pattern that lustration class is lower has horizontal one-way flow and sinuous flow pattern, and therefore, the air inlet mechanism 200 of the simulation of air flow device that provides in the present embodiment and air draft mechanism 300 can also be arranged at the sidepiece of simulation chamber 100.
In addition, simulation of air flow experimental provision provided by the utility model can also comprise control gear, and this control gear is adjusted the air-flow environment of simulation chamber 100 inside for the airstream data that gathers according to mechanism for testing 500.Because the air-flow environment of simulation chamber 100 inside mainly is by the air intake state of air inlet mechanism 200 and the air draft Determines of air draft mechanism 300, therefore, this control gear can comprise first control gear that is connected with air inlet mechanism 200, the air intake wind speed that is used for adjusting the air port size of air inlet mechanism 200 or adjusts air inlet mechanism 200 can be realized the adjustment to simulation chamber 100 internal gas flow environment; Perhaps, this control gear also can comprise the second control gear that is connected with air draft mechanism 300, adjusts the air port size of air draft mechanism 300 or the air draft wind speed of adjustment air draft mechanism 300, realizes the adjustment to simulation chamber 100 internal gas flows.
In addition, also see also Fig. 1 to Fig. 4, for the environment of the real spaces such as further real simulation clean room, can also be provided with simulation mechanism in the inside of simulation chamber 100.This simulation mechanism is for each apparatus of the real space inside such as simulation clean room.Preferably, this simulation mechanism is can be in the skimulated motion mechanism 700 of simulation chamber 100 internal motions, is used for the actual motion apparatus of the real space inside such as simulation clean room etc.Wherein, can there be the different motion states such as high speed, middling speed and low speed in this skimulated motion mechanism 700.And the size of this skimulated motion mechanism 700 and movement velocity etc. all according to the actual motion apparatus of the real space inside such as toilet in described the first ratio micro.
In addition, this simulation of air flow experimental provision can also arrange one the 3rd control gear, and the 3rd control gear is connected with skimulated motion mechanism 700, is used for the motion state of control simulation motion 700.
The preferred fit mode of the simulation of air flow experimental provision that below provides in explanation the utility model.
Fig. 1 and Fig. 2 are the structural representation of the first embodiment of a kind of simulation of air flow experimental provision provided by the utility model.In the present embodiment, simulation chamber 100 can be designed as and adopts the seamless grafting of a plurality of plates to enclose to form.Owing to adopting removably to connect, can the free splicing combination between each plate, thus be convenient to as required and each plate of flexible combination, to simulate multiple real space.The length of each plate can be chosen in 300 ~ 3000mm, and width is chosen between 100 ~ 1000mm.In addition, the general and real space of this simulation of air flow experimental provision carries out micro according to the first ratio of 1: 10 ~ 1:100.
In the present embodiment, see also Fig. 1 and Fig. 2, air inlet mechanism 200 adopts the air intake fan, and this air intake fan adopts a plurality of blower modules 201 to combine, each blower module 201 adopts seamless inserting mode to connect, and each blower module 201 is evenly distributed on the top of simulation chamber 100.Because adopting, each blower module 201 can seamless inserting mode connect, each blower module 201 freely assembled combination, and the wind speed of each blower module 201 all can adjust under the control of the first control gear, thus adjust the air intake state of simulation chamber 100.Wherein, the wind speed of each blower module 201 is generally between 0.1 ~ 1.5m/s.In addition, the size of each blower module 201 is generally between 100 * 100mm to 1000 * 1000mm.
In addition, in the present embodiment, see also Fig. 1 and Fig. 2, air draft mechanism 300 can be realized by perforate on the floor of simulation chamber 100, and the floor of simulation chamber 100 is combined by a plurality of floor modules 301 with perforate.Wherein, the percentage of open area of each floor module 301 (individually the ratio of the floor total area of the perforated area on the plate module 301 and whole simulation chamber 100 bottoms is called percentage of open area) generally selects 0%, 17%, 25%, 50% etc.Because each floor module 301 adopts seamless inserting mode to connect, freely assembled combination, therefore, can dismantle each floor module 301, carry out multiple flexible combination, adjust the percentage of open area on whole floor, namely realize the adjustment to the gas air draft state of simulation chamber 100.In addition, generally between 100 * 100mm to 1000 * 1000mm, the large I of the marginal dimension of the floor module 301 that percentage of open area is different is different for the size of each floor module 301.
In addition, in the present embodiment, the bottom of simulation chamber 100 can be distributed with a plurality of test mounting points for connecting test mechanism 500, and mechanism for testing 500 can removably be connected on the test mounting points.Therefore, according to actual needs, mechanism for testing 500 can be selected to be installed on suitable test mounting points place, that is to say, mechanism for testing 500 can place different test points according to actual needs, to obtain the stream condition at different test point places.In the present embodiment, mechanism for testing 500 can be for the wind speed tester of the wind speed of test simulation chamber 100 inside and/or be used for the air pressure tester of the air pressure of test simulation chamber 100 inside.
In addition, in the present embodiment, see also Fig. 1 and Fig. 2, the first control gear and the second control gear and the 3rd control gear can be integrated into holistic controller 400.
The course of work of the simulation of air flow experimental provision that provides in the present embodiment is as follows:
Concrete, so that the toilet is carried out simulation of air flow as example, wind speed at each blower module 201 is 0.35m/s, each floor module 301 percentage of open area is under 50% the initial situation, skimulated motion mechanism 700 motion under controller 400 controls, mechanism for testing 500 test occurs negative pressure to the floor surface of simulating chamber 100 to bottom moment, negative pressure peak value 2.5Pa, at this moment, there is serious clean hidden danger in the toilet, non-pure air outside the toilet enters the toilet under the effect of moment negative pressure, to cause severe contamination, therefore, need to increase the wind speed of blower module 201, and the percentage of open area on reduction floor, but the wind speed that increases blower module 201 will strengthen the motion power consumption of toilet, the percentage of open area that reduces the floor will strengthen the toilet to external differential, and at part change airflow pattern, therefore, need between the percentage of open area on the wind speed that increases blower module 201 and reduction floor, reach balance, repeatedly adjust test, adjust the wind speed of each blower module 201 and the floor module 301 of the different percentage of open area of dismounting and change, finally to reach rational air-flow environment.When record reached rational air-flow environment, the experimental results such as the percentage of open area of the wind speed of each blower module 201 and each floor module 301 and layout were according to this experimental result design toilet.
Need to prove, wherein, simulation chamber 100, skimulated motion mechanism 700, the wind speed of blower module 201 and the percentage of open area of floor module 301 etc. all carry out micro in the first ratio.
In sum, but but but the simulation of air flow device that provides in the present embodiment because each blower module 201 of simulation chamber 100 independent assortments by building independent assortment and each floor module 301 of independent assortment etc., can realize air-flow environment in large space or the super large space is particularly disposed effective simulation of the extensive toilet of sports apparatus; And because air inlet mechanism 200 and air draft mechanism 300 have adopted modular design, can carry out as required flexible combination, therefore applied widely, can simulate air motion effect in the complicated toilet of many groups; Can in time grasp the stream condition of each test point in the simulation chamber 100 according to simulate effect, find design defect, the adjusted design scheme, thus avoid design error.
Be the structural representation of another embodiment of simulation of air flow experiment provided by the utility model such as Fig. 3 and Fig. 4.In the present embodiment, this simulation of air flow device also is provided with a return air mechanism, and this return air mechanism is used for the gas that air draft mechanism 300 discharges is returned to air inlet mechanism 200.
See also Fig. 3 and Fig. 4, this return air mechanism comprises: one is located at the return air deck 600 of the below of air draft mechanism 300, form the cavity volume that communicates with perforate on the floor module 301 between the floor bottoms of this return air deck 600 and simulation chamber 100, and offer the air vent 601 that communicates with cavity volume at the sidewall on return air deck 600, air vent 601 is communicated with the air port of air inlet mechanism 200 by the pipeline (not shown).By the setting of return air mechanism, air inlet mechanism 200 can be delivered in the simulation chamber 100 by a certain percentage with new wind and by the return air that return air deck 600 is sent back to, realizes the airflow circulating of whole simulation of air flow experimental provision.
In addition, in the present embodiment, at air vent 601 places on return air deck 600 a windage analog board can also be set.The purpose that the windage analog board is set is in order to test the windage value in the percentage of open area situation on different air intake wind speed and different floor, each lamination of calculating the power consumption of whole simulation of air flow chamber 100 and simulation chamber 100 inside is poor, and determines accurately the ratio of new wind and return air and rate of ventilation etc.
Need to prove, in other embodiment provided by the utility model, return air deck 600 also can communicate with the air port of air inlet mechanism 200 by obstructed piping, only at air vent 601 places on return air deck 600 a windage analog board is set, test windage value.
Need to prove, in other embodiment of simulation of air flow experimental provision of the present utility model, air draft mechanism 300 is except the frame mode on the floor of above-mentioned employing opening, also can adopt other modes to realize, such as: in simulation chamber 100 bottoms air ejector fan is set, and the wind speed by the first control gear control air ejector fan etc.;
In addition, in other embodiment of simulation of air flow experimental provision of the present utility model, air inlet mechanism 200 is except the frame mode of above-mentioned employing air intake fan, also can adopt other modes to realize, such as: arrange at simulation chamber 100 tops and to have the top board module of a plurality of perforates, each the top board module that has different percentage of open area by dismounting and change realizes the adjustment of air intake state etc.;
In addition, in other embodiment of simulation of air flow experimental provision of the present utility model, return air mechanism is except the mode on the above-mentioned return air deck 600 that provides, can also adopt other modes to realize, such as: directly get final product by the perforate of pipeline communication floor module 301 and the air inlet of air inlet mechanism 200.
The above is preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from principle described in the utility model; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (12)
1. a simulation of air flow experimental provision is characterized in that, comprising:
One simulation chamber;
Be used for the air inlet mechanism that control gas enters described simulation chamber, be arranged at least the top of described simulation chamber, and described air inlet mechanism communicate with the air inlet of described simulation chamber;
Be used for control gas and discharge the air draft mechanism of described simulation chamber, be arranged at least the bottom of described simulation chamber, and described air draft mechanism communicates with the air outlet of described simulation chamber; And,
For the mechanism for testing of the airstream data that gathers described simulation chamber interior, be located at the inside of described simulation chamber.
2. simulation of air flow experimental provision according to claim 1 is characterized in that,
Described simulation of air flow experimental provision comprises that also one is used for adjusting according to the airstream data of described mechanism for testing collection the first control gear of the air intake state of described air inlet mechanism, described the first control gear is connected with described air inlet mechanism, and the air intake state of wherein said air inlet mechanism comprises air port size and/or the air intake wind speed of described air inlet mechanism;
And/or,
Described simulation of air flow experimental provision comprises that also one is used for adjusting according to the airstream data of described mechanism for testing collection the second control gear of the air draft state of described air draft mechanism, described the second control gear is connected with described air draft mechanism, and the air draft state of wherein said air draft mechanism comprises air port size and/or the air draft wind speed of described air draft mechanism.
3. simulation of air flow experimental provision according to claim 1 is characterized in that,
Described simulation of air flow experimental provision comprises that also one is arranged at the simulation mechanism of described simulation chamber interior.
4. simulation of air flow experimental provision according to claim 3 is characterized in that,
Described simulation mechanism is can be in the skimulated motion mechanism of described simulation chamber interior motion.
5. simulation of air flow experimental provision according to claim 4, it is characterized in that, described simulation of air flow experimental provision comprises that also one is used for controlling the 3rd control gear of the motion state of described skimulated motion mechanism, and described the 3rd control gear is connected with described skimulated motion mechanism.
6. simulation of air flow device according to claim 1 is characterized in that,
Described air inlet mechanism comprises a plurality of blower modules; A plurality of described blower modules adopt removably to connect, and are uniformly distributed in the top of described simulation chamber.
7. simulation of air flow experimental provision according to claim 1 is characterized in that,
Described air draft mechanism comprises a plurality of floor modules with perforate; A plurality of described floor modules adopt removably to connect, and are uniformly distributed in the bottom of described simulation chamber.
8. simulation of air flow experimental provision according to claim 1 is characterized in that,
Described simulation chamber interior is distributed with a plurality of test mounting points be used to connecting described mechanism for testing, and described mechanism for testing removably is connected at least one described test mounting points.
9. simulation of air flow experimental provision according to claim 1 is characterized in that,
Described mechanism for testing comprises be used to the wind speed tester of the wind speed of testing described simulation chamber interior and/or is used for testing the air pressure tester of the air pressure of described simulation chamber interior.
10. simulation of air flow experimental provision according to claim 1 is characterized in that,
Described simulation of air flow experimental provision comprises that also one can return to the gas that described air draft mechanism discharges the return air mechanism of described air inlet mechanism, and described return air mechanism is communicated with respectively the air port of described air inlet mechanism and the air port of described air draft mechanism.
11. simulation of air flow experimental provision according to claim 10 is characterized in that,
Described return air mechanism comprises:
Be located at the return air deck of the below of described air draft mechanism, form the cavity volume that communicates with the air port of described air draft mechanism between described return air deck and the described air draft mechanism, and offer the air vent that communicates with described cavity volume at the sidewall on described return air deck, described air vent is communicated with the air port of described air inlet mechanism.
12. according to claim 1 or 10 or 11 described simulation of air flow experimental provisions, it is characterized in that,
Described simulation of air flow experimental provision also comprises the windage analog board that is used for measuring and calculating windage value at the air outlet position place that is located at described simulation chamber.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220564250 CN202869772U (en) | 2012-10-30 | 2012-10-30 | Airflow simulation experiment apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220564250 CN202869772U (en) | 2012-10-30 | 2012-10-30 | Airflow simulation experiment apparatus |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103900783A (en) * | 2014-03-10 | 2014-07-02 | 广东省建筑科学研究院 | Scale model test platform for large space airflow distribution |
| CN105387988A (en) * | 2015-10-21 | 2016-03-09 | 南车青岛四方机车车辆股份有限公司 | Pore plate air flue experimental device |
| CN106441789A (en) * | 2016-11-08 | 2017-02-22 | 浙江大学 | Generation apparatus of wind tunnel flow field with different speed and temperature distribution |
| CN109307582A (en) * | 2018-11-30 | 2019-02-05 | 重庆大学 | A kind of the wind field detection device and detection method of increasing material manufacturing equipment |
| CN111024355A (en) * | 2020-01-10 | 2020-04-17 | 湖南工程学院 | Wind field simulation device for southern mountainous area |
-
2012
- 2012-10-30 CN CN 201220564250 patent/CN202869772U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103900783A (en) * | 2014-03-10 | 2014-07-02 | 广东省建筑科学研究院 | Scale model test platform for large space airflow distribution |
| CN103900783B (en) * | 2014-03-10 | 2016-06-08 | 广东省建筑科学研究院集团股份有限公司 | A kind of large space air current composition scaled-down model test platform |
| CN105387988A (en) * | 2015-10-21 | 2016-03-09 | 南车青岛四方机车车辆股份有限公司 | Pore plate air flue experimental device |
| CN106441789A (en) * | 2016-11-08 | 2017-02-22 | 浙江大学 | Generation apparatus of wind tunnel flow field with different speed and temperature distribution |
| CN109307582A (en) * | 2018-11-30 | 2019-02-05 | 重庆大学 | A kind of the wind field detection device and detection method of increasing material manufacturing equipment |
| CN111024355A (en) * | 2020-01-10 | 2020-04-17 | 湖南工程学院 | Wind field simulation device for southern mountainous area |
| CN111024355B (en) * | 2020-01-10 | 2022-02-08 | 湖南工程学院 | Wind field simulation device for southern mountainous area |
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