CN209197079U - A kind of basement ventilatory system - Google Patents
A kind of basement ventilatory system Download PDFInfo
- Publication number
- CN209197079U CN209197079U CN201821619903.8U CN201821619903U CN209197079U CN 209197079 U CN209197079 U CN 209197079U CN 201821619903 U CN201821619903 U CN 201821619903U CN 209197079 U CN209197079 U CN 209197079U
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- China
- Prior art keywords
- air
- basement
- smoke
- damper
- exhaust
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Abstract
The utility model relates to a kind of basement ventilatory systems, including fume-resisting system and smoke evacuation system；The fume-resisting system includes booster fan, air supply duct and air outlet, and the booster fan, the air supply duct and the air outlet are sequentially communicated；The smoke evacuation system includes several air inlets, and each air inlet has been sequentially communicated volume damper, the first smoke exhaust fire damper, exhaust duct and exhaust outlet；Each air inlet is provided with smoke detector, and the smoke detector is electrically connected at the volume damper.The utility model has the effect of adjusting exhaust outlet exhaust air rate for smokescope.
Description
Technical field
The utility model relates to the technical fields of ventilating system, more particularly, to a kind of basement ventilatory system.
Background technique
Currently, smoke control system is the general name of fume-resisting system and smoke evacuation system, wherein fume-resisting system is using mechanical pressurization
The mode of air-supply or the mode of gravity-flow ventilation, by the system outside flue gas emission to building.The exhaust smoke level of mechanical smoke extraction system with
Anti- cigarette district has direct relationship.
In existing technology, when a fire, quickly entered the wind using air inlet blade to each blast pipe, by it is multiple into
Air hose is sent in return air duct after entering the wind simultaneously to be converged, and then smog is discharged with the wind by air-exhausting duct, in the process, passes through
The smokescope of air-exhausting duct is passed through in the monitoring of smokescope sensor, and by smokescope data feedback to control device, control dress
It sets according to the exhaust smoke valve in the data of smokescope control air exhaust branch pipe to open or close, it is corresponding when exhaust smoke valve is opened
The exhaust fan of air exhaust branch pipe also accordingly starts exhausting, to discharge fume as early as possible by air exhaust branch pipe, and then mitigates the row of air-exhausting duct
Cigarette pressure achievees the purpose that quickly to discharge fume.
Prior art among the above has the following deficiencies:
The output power of the exhaust fan of exhaust duct is limited, and when fire occurs, often opened from indoor certain point
Begin to catch fire, issues dense smoke, and when detecting that fire occurs, exhaust fan controls exhaust duct balanced operation simultaneously, cannot be directed to
Kindling discharge fume, and causes the dense smoke of ignition point to be discharged in time.
Utility model content
The purpose of the utility model is to provide a kind of underground chamber ventilated for smokescope adjustment exhaust outlet exhaust air rate is anti-
Smoke evacuation system.
The above-mentioned purpose of utility model of the utility model has the technical scheme that
A kind of basement ventilatory system, including fume-resisting system and smoke evacuation system；The fume-resisting system includes pressurization
Blower, air supply duct and air outlet, the booster fan, the air supply duct and the air outlet are sequentially communicated；The smoke evacuation
System includes several air inlets, and each air inlet has been sequentially communicated volume damper, the first smoke exhaust fire damper, air-exhausting duct
Road and exhaust outlet；Each air inlet is provided with smoke detector, and the smoke detector is electrically connected at the air quantity
Regulating valve.
By using above-mentioned technical proposal, when detecting in basement has fire generation, fume-resisting system can prevent fire
The smog that calamity generates spreads to fire escape, provides space for evacuating personnel；Meanwhile it being monitored in basement by smoke detector
The position and corresponding smokescope, the smokescope detected according to smoke detector that fire occurs are adjusted by air quantity
The air quantity of the air inlet of the corresponding air inlet of valve regulation can improve the efficiency of smoke evacuation for the position of fire, reach cigarette rapidly
The purpose of mist discharge.
The utility model is further arranged to: the fume-resisting system is set between escape stairs and staircase cup.
By using above-mentioned technical proposal, the fume-resisting system is arranged between escape stairs and staircase cup, building of escaping
Between ladder and the air pressure of staircase cup is greater than outdoor, and when can make evacuating personnel, smog does not spread to the building escape stairs Jian He
Cup between ladder.
The utility model is further arranged to: each air inlet, which goes out, is additionally provided with heat detector, and the temperature-sensitive is visited
It surveys device and is electrically connected at first smoke exhaust fire damper.
Preferably, the heat detector is also electrically connected at the second smoke exhaust fire damper, and second smoke exhaust fire damper is set
It is placed at refrigerating plant room.
By using above-mentioned technical proposal, heat detector senses indoor control first smoke exhaust fire damper in underground
With the second smoke exhaust fire damper, it can prevent the smog when smoke temperature is excessively high, with Mars from spreading along exhaust duct.
The utility model is further arranged to: damping device is arranged in the booster fan bottom.
Preferably, the damping device is one of damper or isolation cushion.
By using above-mentioned technical proposal, there is biggish vibration when booster fan works, by the way that damping device is arranged, subtracts
Centrifugal blower is protected in the vibration of booster fan.Damper mainly absorbs vibration using spring, isolation cushion have it is easy for installation with
And the advantages that shock insulation noise abatement.
The utility model is further arranged to: the air supply duct outer cover is equipped with glass fibre guard glass fibre cotton, and passes through steel wire
Net is tied up.
Preferably, insulating cement protective shell is equipped with outside the glass fibre guard glass fibre cotton.
By using above-mentioned technical proposal, glass fibre guard glass fibre cotton bulk density is small, and thermal conductivity is low, and insulation is corrosion-resistant,
Stable chemical performance protects air supply duct by glass fibre guard glass fibre cotton, when preventing fire from occurring, prevents high temperature to air-supply
Pipeline causes deformation etc. to influence, to reduce the ability of pressurizating ventilation.Insulating cement is equipped with outside glass fibre guard glass fibre cotton to protect
Shell, heat-insulated effect has been further functioned as by insulating cement protective shell, further protects pressure air blowing pipe.
In conclusion the advantageous effects of the utility model are as follows:
When detecting in basement has fire generation, the smog that fume-resisting system can prevent fire from generating spreads to evacuation
Channel provides space for evacuating personnel；Meanwhile position and the correspondence that fire occurs in basement are monitored by smoke detector
Smokescope, the smokescope detected according to smoke detector, by volume damper adjust corresponding air inlet into
The air quantity of wind can improve the efficiency of smoke evacuation for the position of fire, achieve the purpose that smog is discharged rapidly.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of smoke evacuation system；
Fig. 2 is the structural schematic diagram of fume-resisting system.
In figure, 1, booster fan；11, damping device；2, air supply duct；3, air outlet；4, between escape stairs；5, staircase
Cup；6, air inlet；61, smoke detector；7, volume damper, the 8, first smoke exhaust fire damper；81；Second smoke exhaust fire damper；
9, exhaust duct；91；Glass fibre guard glass fibre cotton；10, exhaust outlet.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment is a kind of basement ventilatory system disclosed by the utility model referring to figs. 1 to Fig. 2, including anti-
Cigarette system and smoke evacuation system；Fume-resisting system includes booster fan 1, air supply duct 2 and air outlet 3, booster fan 1, air supply duct 2
It is sequentially communicated with air outlet 3；Fume-resisting system is set between escape stairs 4 and staircase cup 5.The setting of 1 bottom of booster fan
There are damper or isolation cushion, isolation cushion includes one of rubber vibration isolation cushion or metal-rubber isolation cushion or a variety of.When detecting
When having fire generation in basement, booster fan 1 is acted, and external air is sent out by air supply duct 2 along air outlet 3,
Make between escape stairs 4 and the air pressure of staircase cup 5 be greater than in basement, prevent the indoor smog in underground from entering between escape stairs
4 and staircase cup 5.
Referring to Fig.1, smoke evacuation system includes several air inlets 6, and each air inlet 6 has been sequentially communicated volume damper 7,
One smoke exhaust fire damper 8, exhaust duct 9 and exhaust outlet 10；First smoke exhaust fire damper 8 is mounted on exhaust duct 9, and is electrically connected
There is heat detector, when heat detector detects that the temperature of exhaust duct 9 reaches 280 °C, closes the first smoke exhaust fire damper
8, prevent the smog with Mars from being spread by air inlet 6 along exhaust duct 9.
Further include the second smoke exhaust fire damper 81, is set on the ventilation shaft of refrigerating plant room, second smoke exhaust fire damper 81
It is electrically connected with heat detector, when heat detector detects that the temperature of ventilation shaft reaches 70 °C, closes the second smoke evacuation
Fire resisting damper 81.
Smoke detector 61 is provided at each air inlet 6, smoke detector 61 is electrically connected at volume damper 7.It should
Air inlet 6 is uniformly arranged in basement, is provided with smoke detector 61 outside each air inlet 6, when smoke detector 61 is examined
It measures and fire occurs at the indoor one of air inlet 6 in underground and generates smog, then control the air quantity tune of corresponding air inlet 6
The power that valve 7 improves air draft is saved, the air draft rate of corresponding air inlet 6 is accelerated.
For example, being evenly arranged with 9 air inlets 6 in the basement, each air inlet 6 is both provided with smoke detector 61,
If the smoke detector 61 of one of air inlet 6 detects the smog that fire generates, the air quantity tune of the air inlet 6 is controlled
The power that valve 7 improves air draft is saved, and reduces the air draft power of other 8 air inlets 6, makes smog intensively from detecting smog
It is discharged in air inlet 6.
In addition to air supply duct 2, above-mentioned other pipelines outer cover is equipped with heat insulation layer, and heat insulation layer uses with a thickness of 25
Millimeter and passes through fixed iron claw or steel band lashing to the glass mat or rock wool board of 30 millimeters thicks.Air supply duct 2 is with 30
The glass fibre guard glass fibre cotton 91 of millimeters thick does thermal insulation layer, after steel wire is tied up, then smears the insulating cement protective shell of 15mm thickness.
The implementation principle of the present embodiment are as follows: when fire occurs in the room of underground and generates smog, booster fan 1 is acted, will
Outdoor air by air supply duct 2 from air inlet 6 be sent to escape stairs between 4 and staircase cup 5；At underground indoor air inlet 6
Smoke detector 61 detect smog position, and control corresponding position air inlet 6 volume damper 7 improve the air inlet
Smog is discharged intensively from the air inlet 6 in the power of 6 air draft.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical
Within novel protection scope.
Claims (8)
1. a kind of basement ventilatory system, including fume-resisting system and smoke evacuation system, it is characterised in that:
The fume-resisting system includes booster fan (1), air supply duct (2) and air outlet (3), and the booster fan (1) described is sent
Air piping (2) and the air outlet (3) are sequentially communicated；
The smoke evacuation system includes several air inlets (6), each air inlet (6) be sequentially communicated volume damper (7),
First smoke exhaust fire damper (8), exhaust duct (9) and exhaust outlet (10)；
It is provided with smoke detector (61) at each air inlet (6), the smoke detector (61) is electrically connected at described
Volume damper (7).
2. basement ventilatory system according to claim 1, it is characterised in that:
The fume-resisting system is set to (4) and staircase cup (5) between escape stairs.
3. basement ventilatory system according to claim 1, it is characterised in that:
Each air inlet (6) goes out to be additionally provided with heat detector, and the heat detector is electrically connected at the first row
Cigarette fire resisting damper (8).
4. basement ventilatory system according to claim 3, it is characterised in that:
The heat detector is also electrically connected at the second smoke exhaust fire damper (81), and second smoke exhaust fire damper (81) is set to
At refrigerating plant room.
5. basement ventilatory system according to claim 1, it is characterised in that:
Damping device (11) are arranged in booster fan (1) bottom.
6. basement ventilatory system according to claim 5, it is characterised in that:
The damping device (11) is one of damper or isolation cushion.
7. basement ventilatory system according to claim 1, it is characterised in that:
Air supply duct (2) outer cover is equipped with glass fibre guard glass fibre cotton (91), and is tied up by steel wire.
8. basement ventilatory system according to claim 7, it is characterised in that:
Insulating cement protective shell is equipped with outside the glass fibre guard glass fibre cotton (91).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821619903.8U CN209197079U (en) | 2018-09-30 | 2018-09-30 | A kind of basement ventilatory system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821619903.8U CN209197079U (en) | 2018-09-30 | 2018-09-30 | A kind of basement ventilatory system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209197079U true CN209197079U (en) | 2019-08-02 |
Family
ID=67407376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821619903.8U Expired - Fee Related CN209197079U (en) | 2018-09-30 | 2018-09-30 | A kind of basement ventilatory system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209197079U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111023384A (en) * | 2019-12-28 | 2020-04-17 | 安徽协鼎建设工程有限公司 | Smoke exhaust system for fire engineering |
| CN112325443A (en) * | 2020-09-27 | 2021-02-05 | 中广核工程有限公司 | Emergency exhaust method, system, computer equipment and storage medium |
| CN113776146A (en) * | 2021-09-09 | 2021-12-10 | 北京城建集团有限责任公司 | Ventilation filtering device for civil air defense engineering |
-
2018
- 2018-09-30 CN CN201821619903.8U patent/CN209197079U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111023384A (en) * | 2019-12-28 | 2020-04-17 | 安徽协鼎建设工程有限公司 | Smoke exhaust system for fire engineering |
| CN111023384B (en) * | 2019-12-28 | 2021-09-10 | 安徽协鼎建设工程有限公司 | Smoke exhaust system for fire engineering |
| CN112325443A (en) * | 2020-09-27 | 2021-02-05 | 中广核工程有限公司 | Emergency exhaust method, system, computer equipment and storage medium |
| CN112325443B (en) * | 2020-09-27 | 2021-08-31 | 中广核工程有限公司 | Emergency exhaust method, system, computer equipment and storage medium |
| CN113776146A (en) * | 2021-09-09 | 2021-12-10 | 北京城建集团有限责任公司 | Ventilation filtering device for civil air defense engineering |
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| 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: 20190802 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |