CN208688756U - A kind of air leak test equipment for fire resisting damper - Google Patents
A kind of air leak test equipment for fire resisting damper Download PDFInfo
- Publication number
- CN208688756U CN208688756U CN201821311926.2U CN201821311926U CN208688756U CN 208688756 U CN208688756 U CN 208688756U CN 201821311926 U CN201821311926 U CN 201821311926U CN 208688756 U CN208688756 U CN 208688756U
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- CN
- China
- Prior art keywords
- negative pressure
- centrifugal blower
- fire resisting
- pressure centrifugal
- resisting damper
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of air leak test equipment for fire resisting damper, including inleakage collection point, pressure gauge, fire resisting damper, pedestal and negative pressure centrifugal blower, left side above the pedestal is equipped with motor fixing seat, frequency control motor is installed above motor fixing seat, shaft is installed on the right side of frequency control motor, negative pressure centrifugal blower is installed on the right side of shaft, connection gas hood is installed on the right side of negative pressure centrifugal blower, sealing rubber strip is installed between connection gas hood and negative pressure centrifugal blower, connecting tube is installed on the right side of connection gas hood, the right side of diameter changing device connects fire resisting damper, exhaust outlet is provided with above negative pressure centrifugal blower, gas-guide tube is installed above negative pressure centrifugal blower.The utility model structure is simple, easy to operate, is used cooperatively by setting frequency control motor and negative pressure centrifugal blower, can change air pressure in connecting tube by different revolving speeds, convenient to measure wind speed under different air pressures, keeps the result of detection more accurate.
Description
Technical field
The utility model relates to fire resisting damper air leak test field, specifically a kind of air leak test equipment for fire resisting damper.
Background technique
Fire resisting damper is a kind of temperature control by fusible alloy, the valve for utilizing the effect of gravity and spring mechanism to close
Door form, its effect is: when flue-gas temperature reaches 280 DEG C, evacuation finishes people substantially, discharges fume without practical significance, and
Band is fiery at this time in flue gas, and valve is automatically closed, to avoid fire spreading.Fire resisting damper is directly related to the lives and properties peace of people
Entirely, it is therefore desirable to safety detection regularly be carried out to fire resisting damper, the air leak test of fire resisting damper is that daily one to fire resisting damper is normal
Rule detection, traditional fire resisting damper air leak test equipment detection program is complicated, and since air-tightness is bad, is not adjustable air pressure
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 air leak test equipment for fire resisting damper, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the utility model provides the following technical solutions:
A kind of air leak test equipment for fire resisting damper, including inleakage collection point, pressure gauge, fire resisting damper, seal rubber
Item, pedestal and negative pressure centrifugal blower, the left side above the pedestal are equipped with motor fixing seat, the top installation of motor fixing seat
There is frequency control motor, shaft is installed on the right side of frequency control motor, negative pressure centrifugal blower, negative pressure are installed on the right side of shaft
Connection gas hood is installed on the right side of centrifugal blower, connects and sealing rubber strip is installed between gas hood and negative pressure centrifugal blower, connect
Connecting tube is installed on the right side of gas hood, is connected through a screw thread between connecting tube and connection gas hood, pressure gauge is installed in connecting tube,
Diameter changing device is installed, the right side of diameter changing device connects fire resisting damper, is provided with above negative pressure centrifugal blower on the right side of connecting tube
Exhaust outlet is equipped with gas-guide tube above negative pressure centrifugal blower.
Further scheme as the utility model: connected between the gas-guide tube and negative pressure centrifugal blower by mechanical anchor
It connects.
Further scheme as the utility model: the upper front of the gas-guide tube is provided with inleakage collection point.
Further scheme as the utility model: the inleakage collection point is round cavernous structure.
Further scheme as the utility model: anemobiagraph is horizontally installed on the inleakage collection point.
Compared with prior art, the utility model structure is simple, easy to operate, passes through setting frequency control motor and negative pressure
Centrifugal blower is used cooperatively, and can change the air pressure in connecting tube by different revolving speeds, convenient under different air pressures
Wind speed is measured, keeps the result of detection more accurate；Provided with sealing rubber strip, junction gas leakage can be prevented, measurement is caused to miss
Difference.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of air leak test equipment for fire resisting damper.
In figure: 1, inleakage collection point；2, anemobiagraph；3, pressure gauge；4, diameter changing device；5, fire resisting damper；6, connecting tube；7,
Connect gas hood；8, sealing rubber strip；9, gas-guide tube；10, motor fixing seat；11, pedestal；12, frequency control motor；13, mechanical
Anchor bolt；14, negative pressure centrifugal blower；15, exhaust outlet；16, shaft.
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
Referring to Fig. 1, a kind of air leak test equipment for fire resisting damper, including inleakage collection point 1, pressure gauge 3, fire prevention
Valve 5, sealing rubber strip 8, pedestal 11 and negative pressure centrifugal blower 14；The left side of 11 top of pedestal is equipped with motor fixing seat
10, the top of motor fixing seat 10 is equipped with frequency control motor 12, and the right side of frequency control motor 12 is equipped with shaft 16, turns
The right side of axis 16 is equipped with negative pressure centrifugal blower 14, and the right side of negative pressure centrifugal blower 14 is equipped with connection gas hood 7, connects gas hood 7
Sealing rubber strip 8 is installed between negative pressure centrifugal blower 14, can prevent connecting portion from leaking by the way that sealing rubber cover 8 is arranged
Gas, influences the accuracy of detection data, and the right side of connection gas hood 7 is equipped with connecting tube 6, leads between connecting tube 6 and connection gas hood 7
Threaded connection is crossed, pressure gauge 3 is installed in connecting tube 6, the air pressure in connecting tube 6 is able to detect by the way that pressure gauge 3 is arranged, is convenient for
Control stable air pressure, the right side of connecting tube 6 is equipped with diameter changing device 4, and the right side of diameter changing device 4 connects fire resisting damper 5, negative pressure from
The top of heart blower 14 is provided with exhaust outlet 15, and the top of negative pressure centrifugal blower 14 is equipped with gas-guide tube 9, gas-guide tube 9 and negative pressure
It is connected between centrifugal blower 14 by mechanical anchor 13, the upper front of gas-guide tube 9 is provided with inleakage collection point 1, inleakage
Collection point 1 is round cavernous structure, is horizontally installed with anemobiagraph 2 on inleakage collection point 1.
The working principle of the utility model is: the fire resisting damper 5 as trial target to be connected to the right side of diameter changing device 4 first
Frequency control motor 12 is opened in side, and the rotation of frequency control motor 12 makes negative pressure centrifugal blower 14 work, due to the work of pressure difference
With so that fire resisting damper 5 leak out gas be moved to the left, and by gas vent 15 to inleakage collection point 1 convey, pass through pressure gauge
3 in real time detect the air pressure in connecting tube 6, by changing the revolving speed of frequency control motor 12, make the air pressure in connecting tube 6
300Pa and 100Pa are respectively reached, the wind speed of inleakage collection point 1 at this time is recorded using anemobiagraph 2, further according to survey Wind Coverage Calculation
M/ seconds=every square metre inleakage m of formula 63.585x actual wind speed3/ h is come to calculate every square metre of inleakage with this
Air leak test is carried out to fire resisting damper 5.
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 air leak test equipment for fire resisting damper, including inleakage collection point (1), pressure gauge (3), fire resisting damper (5), close
Seal rubber strip (8), pedestal (11) and negative pressure centrifugal blower (14), which is characterized in that the left side installation above the pedestal (11)
Have motor fixing seat (10), is equipped with above motor fixing seat (10) frequency control motor (12), frequency control motor (12)
Right side be equipped with shaft (16), be equipped on the right side of shaft (16) negative pressure centrifugal blower (14), negative pressure centrifugal blower (14)
Right side is equipped with connection gas hood (7), connects and is equipped with sealing rubber strip (8) between gas hood (7) and negative pressure centrifugal blower (14), even
It connects and connecting tube (6) is installed on the right side of gas hood (7), connecting tube (6) is connected through a screw thread with connecting between gas hood (7), connecting tube
(6) it is equipped with pressure gauge (3), is equipped on the right side of connecting tube (6) diameter changing device (4) on, the right side connection of diameter changing device (4) is anti-
Fiery valve (5) is provided with exhaust outlet (15) above negative pressure centrifugal blower (14), is equipped with and leads above negative pressure centrifugal blower (14)
Tracheae (9).
2. a kind of air leak test equipment for fire resisting damper according to claim 1, which is characterized in that the gas-guide tube
(9) it is connect between negative pressure centrifugal blower (14) by mechanical anchor (13).
3. a kind of air leak test equipment for fire resisting damper according to claim 1, which is characterized in that the gas-guide tube
(9) upper front is provided with inleakage collection point (1).
4. a kind of air leak test equipment for fire resisting damper according to claim 1, which is characterized in that the inleakage is adopted
Collecting point (1) is round cavernous structure.
5. a kind of air leak test equipment for fire resisting damper according to claim 1, which is characterized in that the inleakage is adopted
Anemobiagraph (2) are horizontally installed on collection point (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821311926.2U CN208688756U (en) | 2018-08-15 | 2018-08-15 | A kind of air leak test equipment for fire resisting damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821311926.2U CN208688756U (en) | 2018-08-15 | 2018-08-15 | A kind of air leak test equipment for fire resisting damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208688756U true CN208688756U (en) | 2019-04-02 |
Family
ID=65885142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821311926.2U Expired - Fee Related CN208688756U (en) | 2018-08-15 | 2018-08-15 | A kind of air leak test equipment for fire resisting damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208688756U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113280871A (en) * | 2021-06-07 | 2021-08-20 | 太仓市派恩海洋装备科技有限公司 | Fireproof air brake air leakage detection equipment |
| CN113514206A (en) * | 2021-04-13 | 2021-10-19 | 深圳市贵庭机电设备有限公司 | Fire prevention valve leaks amount of wind detection device |
| CN117990291A (en) * | 2024-04-03 | 2024-05-07 | 江苏国兴通风设备有限公司 | Fireproof air brake air leakage detection device |
-
2018
- 2018-08-15 CN CN201821311926.2U patent/CN208688756U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113514206A (en) * | 2021-04-13 | 2021-10-19 | 深圳市贵庭机电设备有限公司 | Fire prevention valve leaks amount of wind detection device |
| CN113514206B (en) * | 2021-04-13 | 2024-01-26 | 深圳市贵庭机电设备有限公司 | Fire prevention valve air leakage amount detection device |
| CN113280871A (en) * | 2021-06-07 | 2021-08-20 | 太仓市派恩海洋装备科技有限公司 | Fireproof air brake air leakage detection equipment |
| CN117990291A (en) * | 2024-04-03 | 2024-05-07 | 江苏国兴通风设备有限公司 | Fireproof air brake air leakage detection device |
| CN117990291B (en) * | 2024-04-03 | 2024-05-31 | 江苏国兴通风设备有限公司 | Fireproof air brake air leakage detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190402 Termination date: 20190815 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |