CN201589630U - Natural indoor ventilation tester of building model - Google Patents
Natural indoor ventilation tester of building model Download PDFInfo
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- CN201589630U CN201589630U CN2009202958698U CN200920295869U CN201589630U CN 201589630 U CN201589630 U CN 201589630U CN 2009202958698 U CN2009202958698 U CN 2009202958698U CN 200920295869 U CN200920295869 U CN 200920295869U CN 201589630 U CN201589630 U CN 201589630U
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Abstract
The utility model discloses a natural indoor ventilation tester of building model which includes an indoor building model, a multi-point pressure loading system, a wind speed measuring system and a flow field display system; the multi-point pressure loading system is connected with the indoor building model to load pressure inside the indoor building model; the wind speed measuring system stretches into the indoor building model to collect the wind speed data information inside the indoor building model; the flow field display system is connected with the indoor building model to release colored gas into the indoor building model and display the flow field distribution of the air wind inside the indoor building model by shooting the distribution state of the colored gas. The natural indoor ventilation tester of building model can flexibly arrange outdoor and indoor decoration and distribution by implementing test on the natural ventilation state and parameters through a physical model, which can conveniently implement experiment test and assessment on the indoor ventilation indexes of the building under various types of buildings, various room layout and various indoor decoration ways, and the test result is visual and reliable.
Description
Technical field
The utility model relates to a kind of device that carries out the test of room air flow field, especially a kind of BUILDINGS MODELS indoor natural ventilating proving installation.
Background technology
Natural ventilation is important ecotecture idea, and the architecture indoor natural ventilation can improve indoor thermal environment in summer or transition season on the one hand, takes away moist dirty air, quicken the volatilization of human body surface skin sweat, thereby improves the comfort of human body; On the other hand, natural ventilation can not consume the natural air that non-renewable energy resources provide fresh cleaning, helps energy savings, protection environment.Natural ventilation on the building meaning refers to by autotelic opening, produces air flow under blast and hot pressing function.
The evaluation of architecture indoor natural ventilation at present mainly is to adopt the numerical simulation mode, promptly adopts the fluid software for calculation, chooses buildings differing heights place typical case's floor and house type and carries out the Computer Numerical Simulation analysis of Indoor Flow Field.Because the complicacy of fluid is calculated simulation and often need be adopted assumed conditions, computation model does not also have perfect theory support, therefore adopt computer simulation mode to assess the buildings natural ventilation and also have a lot of X factors, and also directly perceived inadequately.The experiment method that adopts testing table to carry out natural ventilating model and evaluation is not also carried out at present, but this method can directly be tested wind speed, wind direction and Flow Field Distribution under the indoor natural ventilating state, and on this basis the architecture indoor effect of natural ventilation is assessed.
The utility model content
The purpose of this utility model provides a kind of BUILDINGS MODELS indoor natural ventilating proving installation, and this proving installation carries out the test of natural ventilation state parameter by mock-up, but flexible arrangement house type and interior decoration layout, and test result is intuitively credible.
This purpose of the present utility model realizes by following technical solution: a kind of BUILDINGS MODELS indoor natural ventilating proving installation, it is characterized in that: described proving installation comprises the architecture indoor model, multiple spot pressure-loaded system, wind velocity measurement system and flow field display system, described multiple spot pressure-loaded system links to each other with described architecture indoor model, on-load pressure in described architecture indoor model, described wind velocity measurement system stretches in the described architecture indoor model, gather the air speed data information in the described architecture indoor model, described flow field display system links to each other with described architecture indoor model, in described architecture indoor model, discharge coloured gas, and show the Flow Field Distribution of wind speed in the described architecture indoor model by the distribution of taking coloured gas.
But proving installation flexible arrangement house type of the present utility model and interior decoration layout, utilize the pressure reduction principle to realize that blast drives the test analysis of indoor natural ventilating situation down, this system has solved insincere, the technical matters intuitively not of Computer simulation results, solved simultaneously and do not had the test detection system in the industry, can't carry out the difficult problem of building natural ventilation scientific experimentation, meet the actual demand of present building energy conservation.
In the utility model: described multiple spot pressure-loaded system is two covers, two cover multiple spot pressure-loaded systems are separately positioned on the both sides of described architecture indoor model, when a cover multiple spot pressure-loaded system wherein when described architecture indoor model applies normal pressure, another set of multiple spot pressure-loaded system applies negative pressure to described architecture indoor model.
Described multiple spot pressure-loaded system comprises blower fan, plenum chamber and section expander, described blower and pipeline links to each other with described plenum chamber, on the pipeline between described blower fan and the described plenum chamber total valve is installed, be used to regulate the flow that enters described plenum chamber, described plenum chamber links to each other with a plurality of bypass line, described section expander equates with described a plurality of bypass line quantity, be installed in the end of described a plurality of bypass line respectively, on each bypass line in described a plurality of bypass line the branch road valve is installed all, be used to control stream pressure by described plenum chamber output, described section expander links to each other with the window of described architecture indoor model, by window on-load pressure in described architecture indoor model of described architecture indoor model.
In the utility model, blower fan provides the most initial pressure source for native system, according to natural ventilation requirement of experiment and actual window pressure distribution situation, need apply normal pressure or negative pressure to window, therefore this experiment table is equipped with two cover multiple spot pressure-loaded systems, and wherein two typhoon machines carry out air blast or exhausting setting according to actual conditions.Need consider its specified air output, outlet conduit total head and power of motor etc. emphatically during Fan Selection, in addition for this experiment table, also should require its vibration little, noise is low, satisfies the requirement of laboratory experiment.
In the utility model: described wind velocity measurement system comprises wind speed test probe and data collecting instrument, described wind speed test probe stretches in the described architecture indoor model, test the wind speed in the described architecture indoor model, and the wind speed that will test converts the air speed data information transmission to and gathers the air speed data that described wind speed test probe transmission comes for described data collecting instrument, described data collecting instrument.Wind velocity measurement system mainly solves the test of the wind speed profile in indoor model difference in functionality zone.
In the utility model: described flow field display system comprises pressure source, coloured gas source, branching-passage device for tube and video camera, described pressure source links to each other with described coloured gas source one end by pipeline, drive flowing of coloured gas source, the valve of the size that is used to regulate driving pressure is installed on described pressure source and the pipeline that described coloured gas source links to each other, the other end of described coloured gas source links to each other with described branching-passage device for tube, described branching-passage device for tube has a plurality of gas passages, the termination of each gas passage is all stretched in the described architecture indoor model, and the termination of each gas passage all is equipped with the nozzle that is used to spray coloured gas, described video camera is positioned at the top of described architecture indoor model, take the distribution of coloured gas in described architecture indoor model that described nozzle ejection goes out, thereby show the Flow Field Distribution of wind speed.The flow field display system mainly solves under the indoor natural ventilating state, the demonstration directly perceived of each function division Flow Field Distribution.
The utility model is by loading the pressure differential of appointment at door, window, the place, hole of building scaled model, drive the building interior air flow and realize natural ventilation, obtain the wind speed of building interior and the effect that the Flow Field Distribution situation is estimated natural ventilation by measurement means.Can carry out the experimental test and the assessment of buildings indoor natural ventilating index under all kinds buildings, various house type layout, the various interior decoration mode easily.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 is an one-piece construction synoptic diagram of the present utility model;
Fig. 2 is the structural representation of multiple spot pressure-loaded of the present utility model system;
Fig. 3 is the structural representation of section expander in the utility model;
Fig. 4 is the structural representation of wind velocity measurement system in the utility model;
Fig. 5 is the structural representation after flow field of the present utility model display system is removed video camera.
Embodiment
As Fig. 1 to a kind of BUILDINGS MODELS indoor natural ventilating proving installation shown in Figure 5, proving installation comprises architecture indoor model 2, multiple spot pressure-loaded system 1, wind velocity measurement system 4 and flow field display system 3, multiple spot pressure-loaded system 1 links to each other with architecture indoor model 2, on-load pressure in architecture indoor model 2, wind velocity measurement system 4 stretches in the architecture indoor model 2, gather the air speed data information in the architecture indoor model 2, flow field display system 3 links to each other with architecture indoor model 2, in architecture indoor model 2, discharge coloured gas, and show the Flow Field Distribution of 2 wind speed in the architecture indoor model by the distribution of taking coloured gas.
Architecture indoor model 2 is meant according to certain reduced scale, and external wall, indoor separation, door and window structure and indoor furniture layout etc. are simulated, and sets up the layout pattern of main house type, and the size dimension of model need satisfy requirement such as measurement in the laboratory.
Multiple spot pressure-loaded system 1 is two covers, two cover multiple spot pressure-loaded systems 1 are separately positioned on the both sides of architecture indoor model, when a cover multiple spot pressure-loaded system wherein when the architecture indoor model applies normal pressure, another set of multiple spot pressure-loaded system applies negative pressure to the architecture indoor model.
Multiple spot pressure-loaded system 1 comprises blower fan 101, plenum chamber 103 and section expander 105, blower fan 101 links to each other with plenum chamber 103 by pipeline 102, on the pipeline between blower fan and the plenum chamber total valve is installed, be used to regulate the flow that enters plenum chamber, plenum chamber 103 links to each other with a plurality of bypass line 104, section expander 105 equates with a plurality of bypass line 104 quantity, be installed in the end of a plurality of bypass line 104 respectively, on each bypass line in a plurality of bypass line 104 the branch road valve is installed all, be used to control stream pressure by plenum chamber output, multiple spot pressure-loaded system reaches the purpose that air pressure is stablized in the output formulation by regulating total valve and branch road valve and plenum chamber acting in conjunction, section expander 105 links to each other with the window of architecture indoor model 2, by window on-load pressure in architecture indoor model 2 of architecture indoor model.
The effect of plenum chamber 103 is on the one hand the gentle stream of blower fan outlet blast to be adjusted, stablized, and provides steady wind pressure by a plurality of bypass line 104 to the window of architecture indoor model 2 on the other hand.Plenum chamber 103 is made up of blast pipe, casing and discharge pipe.Casing adopts airtight being made of stainless steel iron sheet, and long 400mm, wide 400mm, thick 100mm are welded with into and out of the air port respectively in the casing both sides.Wherein air inlet adopts round steel pipe to make, and external diameter is 8mm, and length 100mm connects with casing one face down bonding, and the place is provided with total valve at blast pipe, controls total intake; Be welded with five equidistant discharge pipes at the casing opposite side, discharge pipe also adopts round steel pipe to make, external diameter is 4mm, length 100mm is being provided with sub valve for one section near casing, control straight tube air quantity and pressure, at the discharge pipe middle part relief tube is set in addition, the relief tube end is provided with valve, contacts with atmosphere, plays the effect of stablizing discharge pipe pressure.
Draw one section air supplying hose from the plenum chamber discharge pipe, about 500～1000mm is long, and flexible pipe links to each other with section expander 105, by this section expander 105 blast is loaded on the window of architecture indoor model 2.This section expander 105 is a pyramidal structure, adopt the stainless steel and iron leather to form, the cross-sectional area of the bellend of section expander 105 is about about 1200mm2, for the ease of being tightly connected with place, model hole, bellend is bonded with rubber washer, adopts hot melt adhesive to seal when being connected with architecture indoor model 2.
Wind velocity measurement system 4 mainly solves the test of the wind speed profile in indoor model difference in functionality zone, it comprises wind speed test probe 401 and data collecting instrument 402, wind speed test probe 401 stretches in the architecture indoor model 2, wind speed in the test architecture indoor model 2, and the wind speed that will test converts the air speed data information transmission to data collecting instrument 402, the air speed data that 401 transmission of data collecting instrument 402 collection wind speed test probes come.
Flow field display system 3 mainly solves under the indoor natural ventilating state, the demonstration directly perceived of each function division Flow Field Distribution, it comprises pressure source 301, coloured gas source 302, branching-passage device for tube 303 and video camera 305, pressure source 301 links to each other with coloured gas source 302 1 ends by pipeline, drive flowing of coloured gas source, the valve of the size that is used to regulate driving pressure is installed on pressure source and the pipeline that coloured gas source links to each other, the other end of coloured gas source 302 links to each other with branching-passage device for tube 303, branching-passage device for tube 303 has a plurality of gas passages, the termination of each gas passage is all stretched in the architecture indoor model, be installed on the test point, the termination of each gas passage all is equipped with the nozzle 304 that is used to spray coloured gas, video camera 305 is positioned at the top of architecture indoor model 2, carry out multi-angle and take the distribution of coloured gas in architecture indoor model 2 that nozzle 304 ejects, thereby show the Flow Field Distribution of wind speed.
The course of work of present embodiment proving installation is as follows: adopt two casing pressure force loading systems, a cover is used to produce malleation, and another set of generation negative pressure realizes that the positive negative pressure of buildings outside distributes.Open blower fan, utilize the pressure in pressure acquisition instrument monitoring plenum chamber and the section expander, by regulating the valve of pressure-loaded system, distribute simultaneously up to reaching set building window mouth pressure; Open the valve of flow field display system then, realize controlled indoor coloured gas source; Open video camera and wind velocity measurement system simultaneously, get final product the indoor flow field velocity information and the Flow Field Distribution information of many-sided this BUILDINGS MODELS to be measured of acquisition, according to test result buildings assessment indoor natural ventilating state, for architectural design provides foundation and guidance.
Claims (5)
1. BUILDINGS MODELS indoor natural ventilating proving installation, it is characterized in that: described proving installation comprises architecture indoor model (2), multiple spot pressure-loaded system (1), wind velocity measurement system (4) and flow field display system (3), described multiple spot pressure-loaded system (1) links to each other with described architecture indoor model (2), on-load pressure in described architecture indoor model (2), described wind velocity measurement system (4) stretches in the described architecture indoor model (2), gather the air speed data information in the described architecture indoor model (2), described flow field display system (3) links to each other with described architecture indoor model (2), in described architecture indoor model (2), discharge coloured gas, and show the Flow Field Distribution of (2) wind speed in the described architecture indoor model by the distribution of taking coloured gas.
2. BUILDINGS MODELS indoor natural ventilating proving installation according to claim 1, it is characterized in that: described multiple spot pressure-loaded system (1) is two covers, two cover multiple spot pressure-loaded systems (1) are separately positioned on the both sides of described architecture indoor model, when a cover multiple spot pressure-loaded system wherein when described architecture indoor model applies normal pressure, another set of multiple spot pressure-loaded system applies negative pressure to described architecture indoor model.
3. BUILDINGS MODELS indoor natural ventilating proving installation according to claim 2, it is characterized in that: described multiple spot pressure-loaded system (1) comprises blower fan (101), plenum chamber (103) and section expander (105), described blower fan (101) links to each other with described plenum chamber (103) by pipeline (102), on the pipeline between described blower fan and the described plenum chamber total valve is installed, be used to regulate the flow that enters described plenum chamber, described plenum chamber (103) links to each other with a plurality of bypass line (104), described section expander (105) equates with described a plurality of bypass line (104) quantity, be installed in the end of described a plurality of bypass line (104) respectively, on each bypass line in described a plurality of bypass line (104) the branch road valve is installed all, be used to control stream pressure by described plenum chamber output, described section expander (105) links to each other with the window of described architecture indoor model (2), by window on-load pressure in described architecture indoor model (2) of described architecture indoor model.
4. BUILDINGS MODELS indoor natural ventilating proving installation according to claim 1, it is characterized in that: described wind velocity measurement system (4) comprises wind speed test probe (401) and data collecting instrument (402), described wind speed test probe (401) stretches in the described architecture indoor model (2), test the wind speed in the described architecture indoor model (2), and the wind speed that will test converts the air speed data information transmission to described data collecting instrument (402), the air speed data that described data collecting instrument (402) the described wind speed test probe of collection (401) transmission comes.
5. BUILDINGS MODELS indoor natural ventilating proving installation according to claim 1, it is characterized in that: described flow field display system (3) comprises pressure source (301), coloured gas source (302), branching-passage device for tube (303) and video camera (305), described pressure source (301) links to each other with described coloured gas source (302) one ends by pipeline, drive flowing of coloured gas source, the valve of the size that is used to regulate driving pressure is installed on described pressure source and the pipeline that described coloured gas source links to each other, the other end of described coloured gas source (302) links to each other with described branching-passage device for tube (303), described branching-passage device for tube (303) has a plurality of gas passages, the termination of each gas passage is all stretched in the described architecture indoor model, and the termination of each gas passage all is equipped with the nozzle (304) that is used to spray coloured gas, described video camera (305) is positioned at the top of described architecture indoor model (2), take the distribution of coloured gas in described architecture indoor model (2) that described nozzle (304) ejects, thereby show the Flow Field Distribution of wind speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202958698U CN201589630U (en) | 2009-12-30 | 2009-12-30 | Natural indoor ventilation tester of building model |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202958698U CN201589630U (en) | 2009-12-30 | 2009-12-30 | Natural indoor ventilation tester of building model |
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| CN201589630U true CN201589630U (en) | 2010-09-22 |
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| CN2009202958698U Expired - Lifetime CN201589630U (en) | 2009-12-30 | 2009-12-30 | Natural indoor ventilation tester of building model |
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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 |
| CN108548556A (en) * | 2018-04-17 | 2018-09-18 | 重庆睿豪科技发展有限公司 | System is tested in architecture indoor gravity-flow ventilation |
| CN108956086A (en) * | 2018-05-23 | 2018-12-07 | 徐州新南湖科技有限公司 | A kind of building safety natural ventilating model device |
| CN110082558A (en) * | 2019-05-20 | 2019-08-02 | 郑州工程技术学院 | A kind of ventilation flow field measurement method between tobacco cigarette hired car |
| CN111795795A (en) * | 2020-06-01 | 2020-10-20 | 吴春光 | Electronic auxiliary selection system and method applying signal analysis |
-
2009
- 2009-12-30 CN CN2009202958698U patent/CN201589630U/en not_active Expired - Lifetime
Cited By (6)
| 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 |
| CN108548556A (en) * | 2018-04-17 | 2018-09-18 | 重庆睿豪科技发展有限公司 | System is tested in architecture indoor gravity-flow ventilation |
| CN108956086A (en) * | 2018-05-23 | 2018-12-07 | 徐州新南湖科技有限公司 | A kind of building safety natural ventilating model device |
| CN110082558A (en) * | 2019-05-20 | 2019-08-02 | 郑州工程技术学院 | A kind of ventilation flow field measurement method between tobacco cigarette hired car |
| CN111795795A (en) * | 2020-06-01 | 2020-10-20 | 吴春光 | Electronic auxiliary selection system and method applying signal analysis |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100922 Effective date of abandoning: 20091230 |