CN208831874U - A kind of gas leakage detection device of the air-valves such as exhaust smoke valve - Google Patents
A kind of gas leakage detection device of the air-valves such as exhaust smoke valve Download PDFInfo
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- CN208831874U CN208831874U CN201821311754.9U CN201821311754U CN208831874U CN 208831874 U CN208831874 U CN 208831874U CN 201821311754 U CN201821311754 U CN 201821311754U CN 208831874 U CN208831874 U CN 208831874U
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- air
- valves
- exhaust smoke
- smoke valve
- gas leakage
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Abstract
The utility model discloses a kind of gas leakage detection devices of the air-valves such as exhaust smoke valve, including testing booster fan, diameter changing device, inleakage acquisition device and airflow pressure adjust device, the right end of the experiment booster fan is connected with air inlet reducer union, the right end of air inlet reducer union is connected with pipeline, pipeline is equipped with honeycomb screen, the right side of honeycomb screen is arranged in diameter changing device, and the lower end of diameter changing device is connected with air duct branch pipe, the lower end of air duct branch pipe is connected with the air-valves laboratory sample such as exhaust smoke valve, the lower end of the air-valves laboratory sample such as exhaust smoke valve is connected with inleakage acquisition device, the lower end of inleakage acquisition device is connected with connecting tube, the lower end of connecting tube is air leak test mouth.The utility model has the advantages of simple structure, easy to use；The airflow pressure adjustment device of setting can adjust wind pressure in pipeline.
Description
Technical field
The utility model relates to exhaust smoke valve detection field, the gas leakage detection device of the air-valves such as specifically a kind of exhaust smoke valve.
Background technique
Currently, in the air duct of blower, the air-valves such as exhaust smoke valve are important one of component.The air-valves such as exhaust smoke valve are mounted on machine
Each branch tube end of tool smoke evacuation system, it is usually in closed state, and meet inleakage, fire or when needing to discharge fume manually or electrically
It opens, plays the role of the valve of smoke evacuation.In the production detection process of the air-valves such as exhaust smoke valve, need at ambient temperature to smoke evacuation
The air-valves such as valve carry out the air leakage rate check of unit area, and traditional fire resisting damper air leak test equipment detection program is complicated, Er Qieyou
It is bad in air-tightness, air pressure is not adjustable to stable numerical value, so that the resultant error of detection is larger.
Utility model content
The purpose of this utility model is to provide a kind of gas leakage detection devices of the air-valves such as exhaust smoke valve, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the utility model provides the following technical solutions:
A kind of gas leakage detection device of the air-valves such as exhaust smoke valve, including experiment booster fan, diameter changing device, inleakage acquisition dress
It sets and adjusts device with airflow pressure, the right end of the experiment booster fan is connected with air inlet reducer union, and air inlet variable diameter connects
The right end of head is connected with pipeline, and pipeline is equipped with honeycomb screen, and the right side of honeycomb screen is arranged in diameter changing device, and under diameter changing device
End is connected with air duct branch pipe, and the lower end of air duct branch pipe is connected with the air-valves laboratory sample such as exhaust smoke valve, and the air-valves such as exhaust smoke valve test sample
The lower end of product is connected with inleakage acquisition device, and the lower end of inleakage acquisition device is connected with connecting tube, and the lower end of connecting tube is
Air leak test mouth.
Further scheme as the utility model: it is connected with Pitot tube on the right side of the diameter changing device, is set on Pitot tube
There is pressure gauge, the right end of Pitot tube is equipped with airflow pressure and adjusts device.
Further scheme as the utility model: the internal diameter of the connecting tube is 120-180mm.
Further scheme as the utility model: the junction of the air-valves such as described exhaust smoke valve laboratory sample and air duct branch pipe
Equipped with gasket.
Further scheme as the utility model: anemobiagraph is connected on the air leak test mouth.
Compared with prior art, the utility model has the advantages of simple structure, easy to use, and in use, experiment is pressurizeed
Blower is installed with air inlet reducer union, and air inlet reducer union and honeycomb screen, pipeline, diameter changing device, inleakage are adopted
The air-valves laboratory sample such as acquisition means and exhaust smoke valve all installs, and is then turned on experiment booster fan, the smoke evacuation for experiment
The valve of the air-valves laboratory sample such as valve is closed, and actual air volume wind pressure adjusts device and the wind pressure tested in pipeline is adjusted to 300Pa
And 1000Pa, and wind speed is measured in air leak test mouth using anemobiagraph；The airflow pressure adjustment device of setting can
Adjust wind pressure in pipeline.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the gas leakage detection devices of air-valves such as exhaust smoke valve.
In figure: 1, testing booster fan；2, air inlet reducer union；3, honeycomb screen；4, Pitot tube；5, airflow pressure adjusts
Device；6, the air-valves laboratory sample such as exhaust smoke valve；7, inleakage acquisition device；8, connecting tube；9, air leak test mouth；10, variable diameter fills
It sets；11, air duct branch pipe.
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
Referring to Fig. 1, a kind of gas leakage detection device of the air-valves such as exhaust smoke valve, including experiment booster fan 1, diameter changing device
10, inleakage acquisition device 7 and airflow pressure adjust device 5, and the right end of the experiment booster fan 1 is connected with air inlet variable diameter
Connector 2, the right end of air inlet reducer union 2 are connected with pipeline, and pipeline is equipped with honeycomb screen 3, and the setting of diameter changing device 10 is rectifying
The right side of grid 3, and the lower end of diameter changing device 10 is connected with air duct branch pipe 11, the lower end of air duct branch pipe 11 is connected with the wind such as exhaust smoke valve
Valve laboratory sample 6, the lower end of the air-valves such as exhaust smoke valve laboratory sample 6 are connected with inleakage acquisition device 7, inleakage acquisition device 7
Lower end be connected with connecting tube 8, the lower end of connecting tube 8 is air leak test mouth 9, is connected with anemobiagraph on air leak test mouth 9.
The right side of the diameter changing device 10 is connected with Pitot tube 4, and Pitot tube 4 is equipped with pressure gauge, and the right end of Pitot tube 4 is set
There is airflow pressure to adjust device 5.
Preferably, the internal diameter of the connecting tube 8 is 120-180mm, the diameter of the connecting tube 8 in the present embodiment is
150mm。
Preferably, the junction of the air-valves such as described exhaust smoke valve laboratory sample 6 and air duct branch pipe 11 is equipped with gasket, it can
The airtightness for increasing connection, to improve the accuracy of experiment.
The calculation formula of inleakage are as follows: m/ seconds=every square metre inleakage m of 63.585 × actual wind speed3/h。
Since the internal diameter of the connecting tube 8 of air leak test mouth 9 is 150mm, as test every square metre of 700m of inleakage3When/h,
Wind speed is about 11m/ seconds, as test every square metre of 500m of inleakage3When/h, wind speed is about 7.86m/ seconds；Therefore work as and leaking
When the wind speed that wind detection mouth 9 measures exceeds 11m/ seconds and 7.86m/ seconds, inleakage will exceed standard requirements.
The working principle of the utility model is: experiment booster fan 1 is installed with air inlet reducer union 2, and will be into
The air-valves laboratory sample 6 such as air port reducer union 2 and honeycomb screen 3, pipeline, diameter changing device 10, inleakage acquisition device 7 and exhaust smoke valve
It all installing, is then turned on experiment booster fan 1, the valve of the air-valves such as exhaust smoke valve for experiment laboratory sample 6 is closed,
Actual air volume wind pressure adjusts device 5 and the wind pressure tested in pipeline is adjusted to 300Pa and 1000Pa, and is being leaked out using anemobiagraph
Detection mouth measures wind speed.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
The preferred embodiment of the patent is described in detail above, but this patent is not limited to above-mentioned embodiment party
Formula within the knowledge of one of ordinary skill in the art can also be under the premise of not departing from this patent objective
Various changes can be made.
Claims (5)
1. a kind of gas leakage detection device of the air-valves such as exhaust smoke valve, including experiment booster fan (1), diameter changing device (10), inleakage
Acquisition device (7) and airflow pressure adjustment device (5), which is characterized in that it is described experiment booster fan (1) right end be connected with into
Air port reducer union (2), the right end of air inlet reducer union (2) are connected with pipeline, and pipeline is equipped with honeycomb screen (3), variable diameter dress
It sets (10) to be arranged on the right side of honeycomb screen (3), and the lower end of diameter changing device (10) is connected with air duct branch pipe (11), air duct branch pipe
(11) lower end is connected with the air-valves such as exhaust smoke valve laboratory sample (6), and the lower end of the air-valves such as exhaust smoke valve laboratory sample (6) is connected with leakage
Air quantity acquisition device (7), the lower end of inleakage acquisition device (7) are connected with connecting tube (8), and the lower end of connecting tube (8) is to leak out
Detection mouth (9).
2. a kind of gas leakage detection device of the air-valves such as exhaust smoke valve according to claim 1, which is characterized in that the variable diameter dress
It sets and is connected on the right side of (10) Pitot tube (4), Pitot tube (4) is equipped with pressure gauge, and the right end of Pitot tube (4) is equipped with airflow pressure
It adjusts device (5).
3. a kind of gas leakage detection device of the air-valves such as exhaust smoke valve according to claim 1, which is characterized in that the connecting tube
(8) internal diameter is 120-180mm.
4. a kind of gas leakage detection device of the air-valves such as exhaust smoke valve according to claim 1, which is characterized in that the exhaust smoke valve
The junction of equal air-valves laboratory sample (6) and air duct branch pipe (11) is equipped with gasket.
5. a kind of gas leakage detection device of the air-valves such as exhaust smoke valve according to claim 1, which is characterized in that the inspection of leaking out
It surveys on mouth (9) and is connected with anemobiagraph.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821311754.9U CN208831874U (en) | 2018-08-15 | 2018-08-15 | A kind of gas leakage detection device of the air-valves such as exhaust smoke valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821311754.9U CN208831874U (en) | 2018-08-15 | 2018-08-15 | A kind of gas leakage detection device of the air-valves such as exhaust smoke valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208831874U true CN208831874U (en) | 2019-05-07 |
Family
ID=66309190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821311754.9U Active CN208831874U (en) | 2018-08-15 | 2018-08-15 | A kind of gas leakage detection device of the air-valves such as exhaust smoke valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208831874U (en) |
-
2018
- 2018-08-15 CN CN201821311754.9U patent/CN208831874U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 888 Chisong Road, Tulou Village, Fengnan Farm, Tong'an District, Xiamen City, Fujian Province, 361100 Patentee after: Fujian Li's Kaitong Industry and Trade Co.,Ltd. Address before: No. 888 Chisong Road, Tulou Village, Fengnan Farm, Tong'an District, Xiamen City, Fujian Province, 361100 Patentee before: XIAMEN LISHI INDUSTRY AND TRADE Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |