CN205620105U - Outer ventilation of building of carbon dioxide spike and measuring device that takes a breath - Google Patents
Outer ventilation of building of carbon dioxide spike and measuring device that takes a breath Download PDFInfo
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- CN205620105U CN205620105U CN201620338154.6U CN201620338154U CN205620105U CN 205620105 U CN205620105 U CN 205620105U CN 201620338154 U CN201620338154 U CN 201620338154U CN 205620105 U CN205620105 U CN 205620105U
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Abstract
The utility model discloses an outer ventilation of building of carbon dioxide spike and measuring device that takes a breath belongs to building ventilation test field. The utility model discloses a carbon dioxide search gas supply releasing mechanism and gas sampling informa economic, carbon dioxide search gas supply releasing mechanism includes carbon dioxide gas bomb (9), and the delivery outlet of carbon dioxide gas bomb (9) is connected with gas input pipe (8), and spike gas input tubule (6) is connected through gas flow control valve (5) in gas input pipe (8), and it is inside that spike gas input tubule (6) penetrates wind -tunnel (1), gas sampling informa economic all is located wind -tunnel (1) outside gaseous output tube (3) through the pipeline intercommunication including a plurality of sampling test holess (7) that are located wind -tunnel (1), each the test holes of sampling (7), and gas analysis appearance (2) is connected in gaseous output tube (3). The utility model discloses the test is accurate, and the device is simple, and the inside and outside test of ventilating of messenger's wind -tunnel becomes high -efficient, economical.
Description
Technical field
The utility model constructure ventilation field tests, particularly to building separate ventilation and the ventilation measurement apparatus of a kind of carbon dioxide spike.
Background technology
Measurement building separate ventilation and the traditional test mode of ventilation situation are as search gas with CO gas.May work the mischief the health and safety of human body during CO gas uses, meanwhile, carbon monoxide is flammability hazard gas, once occurs for carbon monoxide pressure storage bottle explosive incident.In order to safety can only use a small amount of CO gas to carry out the ventilation condition of the test architecture external space, the carbon monoxide concentration tested in wind-tunnel is very low (being tested by part per million), so high to test equipment requirement, test data accuracy is easily disturbed, and data reliability is difficult to control to.
Utility model content
In order to make up the deficiencies in the prior art, the utility model provides building separate ventilation and the ventilation measurement apparatus of a kind of carbon dioxide spike.
The technical solution of the utility model is:
The building separate ventilation of a kind of carbon dioxide spike and ventilation measurement apparatus, including carbon dioxide search gas supply relieving mechanism and gas sampling analysis institution；
Described carbon dioxide search gas supply relieving mechanism includes carbon dioxide cylinder 9, the delivery outlet of described carbon dioxide cylinder 9 is connected with gas inlet pipe 8, described gas inlet pipe 8 connects search gas input tubule 6 by gas flow control valve 5, and it is internal that described search gas input tubule 6 penetrates wind-tunnel 1；
Described gas sampling analysis institution includes the some sampling test holes 7 being positioned at wind-tunnel 1, and each described sampling test hole 7 is all positioned at the gas output tube 3 outside wind-tunnel 1 by pipeline communication, and described gas output tube 3 connects gas analyzer 2.
Preferably, described search gas input tubule 6 is stainless steel tube.As long as in fact search gas input tubule 6 hard pipeline, use hard pipeline can fix with holding position, increase certainty of measurement.Selecting stainless steel tube, low cost, anti-pressure ability is strong.
Preferably, a diameter of 1-2mm of described search gas input tubule 6.Select tubule, be because the wind field affecting the external space that the appendix of minor diameter can be little as far as possible.
Preferably, described gas inlet pipe 8 and gas output tube 3 are flexible pipe.It is easy to equipment to install.
Preferably, being equipped with the stainless steel tube 10 inside and outside connection wind-tunnel 1 in described sampling test hole 7, described stainless steel tube 10 connects with gas output tube 3.
Preferably, described search gas input tubule 6 is positioned at the central authorities of test architecture model 4 space outerpace.Now, certainty of measurement is the highest.
Further, described sampling test hole 7 is uniformly distributed in the space outerpace of test architecture model 4.
The building separate ventilation of use the utility model carbon dioxide spike and the process of ventilation measurement apparatus test ventilation rate:
At not actuated wind-tunnel, in the state of calm, by diameter tiny stainless steel tube, high-purity technical carbon dioxide (99.6% concentration) is inputted some external space of the BUILDINGS MODELS (Fig. 3) less than eaves height, after the gas concentration lwevel of the external space reaches the stable concentration concentration of 10% (about close to), gas concentration lwevel in the case of recording calm by gas analyzer.Carbon dioxide input quantity continuous gas transmission is kept then to start wind-tunnel, the gas concentration lwevel being test for the external space under a wind conditions setting will reduce, in the case of reaching a new stable gas concentration lwevel, recorded the concentration of carbon dioxide in the case of having wind by gas analyzer.
This method of testing may be used on different wind directions, test and the ventilation state comparing the same building external space, or be used for test and compare at the different ventilation state building the external space of same wind direction (main air direction), or ventilation state of some building external space of test and comparison is arranged for different neighboring buildings designs or different bases.
The beneficial effects of the utility model are:
Carbon dioxide is a kind of safe gas, does not results in burning and the danger of blast, and the safety and health impact on human body is very little.Can be with the higher industrial carbon dioxide bottle of purity, in wind-tunnel, the gas concentration of the test architecture model external space can reach about 70%, being difficult to, by environmental disturbances, to obtain data very accurately with usual test equipment, whole test equipment and expense are relatively low.
Compared with carbon monoxide search gas test device, the building separate ventilation of the carbon dioxide spike that the utility model provides and ventilation measurement apparatus have safety, healthy, test data are accurate, device is simple, easy to use, make separate ventilation test and research in wind-tunnel become more efficient, economic advantage.
Additionally, the method for testing of ventilation rate and equipment can be used for building measurement and the research of thermal comfort, city vehicle tail gas and the municipal pollution rate of the external space.
Brief description
In order to be illustrated more clearly that the utility model embodiment or technical scheme of the prior art, the accompanying drawing of required use in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is only some embodiments of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation with ventilation measurement apparatus for the building separate ventilation of the utility model carbon dioxide spike；
Fig. 2 is the structure for amplifying schematic diagram with expression sampling test hole in ventilation measurement apparatus and wind-tunnel position relationship for the building separate ventilation of the utility model carbon dioxide spike；
Fig. 3 is 1:200 Midst density residential housing model；
Fig. 4 is the gas concentration lwevel chart of house 59 external space in different wind direction figure 3 above；
Fig. 5 is the ventilation state test result of the different building external spaces on main air direction；
Fig. 6 is 59 1 layers of house space outerpace of house to be measured；
Fig. 7 is 59 2 layers of house space outerpace of house to be measured；
Fig. 8 is house 59 test point gas concentration lwevel result；
Fig. 9 is house 58 test point gas concentration lwevel result.
Detailed description of the invention
Embodiment 1
As it is shown in figure 1, the building separate ventilation of a kind of carbon dioxide spike and ventilation measurement apparatus, including carbon dioxide search gas supply relieving mechanism and gas sampling analysis institution.
Carbon dioxide search gas supply relieving mechanism includes carbon dioxide cylinder 9, the delivery outlet of carbon dioxide cylinder 9 is connected with gas inlet pipe 8, gas inlet pipe 8 connects search gas input tubule 6 by gas flow control valve 5, and it is internal that search gas input tubule 6 penetrates wind-tunnel 1.A diameter of 1-2mm of search gas input tubule 6.
Gas sampling analysis institution includes the some sampling test holes 7 being positioned at wind-tunnel 1, and each sampling test hole 7 is all positioned at the gas output tube 3 outside wind-tunnel 1 by pipeline communication, and gas output tube 3 connects gas analyzer 2.
Embodiment 2
As shown in Figure 1 and Figure 2, the building separate ventilation of a kind of carbon dioxide spike and ventilation measurement apparatus, including carbon dioxide search gas supply relieving mechanism and gas sampling analysis institution.
Wherein, carbon dioxide search gas supply relieving mechanism includes carbon dioxide cylinder 9, the delivery outlet of carbon dioxide cylinder 9 is connected with gas inlet pipe 8, and gas inlet pipe 8 connects search gas input tubule 6 by gas flow control valve 5, and it is internal that search gas input tubule 6 penetrates wind-tunnel 1；Search gas input tubule 6 is stainless steel tube, and its a diameter of 1.6mm.For the ease of installing, gas inlet pipe 8 is flexible pipe.
Gas sampling analysis institution includes the sampling test hole 7 being positioned at wind-tunnel 1, it is equipped with the stainless steel tube 10 inside and outside connection wind-tunnel 1 in each sampling test hole 7, stainless steel tube 10 connection is positioned at the gas output tube 3 outside wind-tunnel 1, and stainless steel tube 10 is extended to wind-tunnel 1 outside by the internal wind tunnel floor 11 that passes through of air duct 1.Gas output tube 3 connects gas analyzer 2.For the ease of installing, gas output tube 3 is flexible pipe.
The stability of the degree of accuracy and test result in order to increase test, search gas input tubule 6 is positioned at the central authorities of test architecture model 4 space outerpace；Sampling test hole 7 is uniformly distributed in the space outerpace of test architecture model 4.
The building separate ventilation of use the present embodiment carbon dioxide spike and the process of ventilation measurement apparatus test ventilation rate:
At not actuated wind-tunnel, in the state of calm, by diameter tiny stainless steel tube, high-purity technical carbon dioxide (99.6% concentration) is inputted some external space of the BUILDINGS MODELS (as shown in Figure 3) less than eaves height, after the gas concentration lwevel of the external space reaches the stable concentration concentration of 10% (about close to), gas concentration lwevel in the case of recording calm by gas analyzer.Keep carbon dioxide input quantity continuous gas transmission, then wind-tunnel is started, the gas concentration lwevel being test for the external space under a wind conditions setting will reduce, in the case of reaching a new stable gas concentration lwevel, recorded the concentration of carbon dioxide in the case of having wind by gas analyzer.
Application example one
Test or the ventilation state comparing the same building external space under different wind directions, identical wind conditions:
The external space according to house 59 in above test procedure test Fig. 3 is 16 different wind direction separate ventilation states.Test result as shown in Figure 4, is predicted according to gas concentration lwevel on different wind directions and compares the separate ventilation state of house and change wind rate.
Application Example two
According to building space outerpaces different in above test procedure test Fig. 3 and ventilation state:
(main air direction) is different with under identical wind conditions on same wind direction the building external space and ventilation state.Test external space 54A, 54B, 55,56,56A, 56B, 57A, 57B, 58,59 in 4 main air directions northeast, east, the southeast, the ventilation state in south.Test result is as shown in Figure 5.
Application Example three
The house 59 of one layer is replaced by two layers of house (having identical construction area and less base coverage rate).The external space 58 before and after displacement, the gas concentration lwevel of 59 is shown in Fig. 8,9.According to ventilation state in the case that different neighboring buildings designs or arranges for house 59 external space in above test procedure test Fig. 3:
In Fig. 3, the distribution of house 59 external space is as shown in Figure 6, Figure 7.Wherein Fig. 6 is 59 1 layers of house space outerpace of house to be measured；Fig. 7 is 59 2 layers of house space outerpace of house to be measured.
Claims (7)
1. the building separate ventilation of a carbon dioxide spike and ventilation measurement apparatus, it is characterised in that: include carbon dioxide search gas supply relieving mechanism and gas sampling analysis institution；
Described carbon dioxide search gas supply relieving mechanism includes carbon dioxide cylinder (9), the delivery outlet of described carbon dioxide cylinder (9) is connected with gas inlet pipe (8), described gas inlet pipe (8) connects search gas input tubule (6) by gas flow control valve (5), and it is internal that described search gas input tubule (6) penetrates wind-tunnel (1)；
Described gas sampling analysis institution includes some samplings test hole (7) being positioned at wind-tunnel (1), each described sampling test hole (7) is all positioned at the outside gas output tube (3) of wind-tunnel (1) by pipeline communication, and described gas output tube (3) connects gas analyzer (2).
2. the building separate ventilation of carbon dioxide spike as claimed in claim 1 and ventilation measurement apparatus, it is characterised in that: described search gas input tubule (6) is stainless steel tube.
3. the building separate ventilation of carbon dioxide spike as claimed in claim 1 or 2 and ventilation measurement apparatus, it is characterised in that: a diameter of 1-2mm of described search gas input tubule (6).
4. the building separate ventilation of carbon dioxide spike as claimed in claim 1 and ventilation measurement apparatus, it is characterised in that: described gas inlet pipe (8) and gas output tube (3) are flexible pipe.
5. the building separate ventilation of carbon dioxide spike as claimed in claim 1 and ventilation measurement apparatus, it is characterized in that: being equipped with the stainless steel tube (10) inside and outside connection wind-tunnel (1) in described sampling test hole (7), described stainless steel tube (10) connects with gas output tube (3).
6. the building separate ventilation of carbon dioxide spike as claimed in claim 1 or 2 and ventilation measurement apparatus, it is characterised in that: described search gas input tubule (6) is positioned at the central authorities of test architecture model (4) space outerpace.
7. the building separate ventilation of carbon dioxide spike as claimed in claim 6 and ventilation measurement apparatus, it is characterised in that: described sampling test hole (7) is uniformly distributed in the space outerpace of test architecture model (4).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620338154.6U CN205620105U (en) | 2016-04-20 | 2016-04-20 | Outer ventilation of building of carbon dioxide spike and measuring device that takes a breath |
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| CN201620338154.6U CN205620105U (en) | 2016-04-20 | 2016-04-20 | Outer ventilation of building of carbon dioxide spike and measuring device that takes a breath |
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| CN205620105U true CN205620105U (en) | 2016-10-05 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105758612A (en) * | 2016-04-20 | 2016-07-13 | 宿斌 | Carbon dioxide labeled ventilation and air change measuring device outside building |
| 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 |
| CN109282962A (en) * | 2018-09-17 | 2019-01-29 | 淮北辰威科技有限公司 | A kind of buildings model room ventilation test device and its application method |
-
2016
- 2016-04-20 CN CN201620338154.6U patent/CN205620105U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105758612A (en) * | 2016-04-20 | 2016-07-13 | 宿斌 | Carbon dioxide labeled ventilation and air change measuring device outside building |
| 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 |
| CN109282962A (en) * | 2018-09-17 | 2019-01-29 | 淮北辰威科技有限公司 | A kind of buildings model room ventilation test device and its application method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161005 Termination date: 20200420 |
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| CF01 | Termination of patent right due to non-payment of annual fee |