CN105805879A - Ventilation and smoke discharge system of underground cylinder mechanical type garage - Google Patents
Ventilation and smoke discharge system of underground cylinder mechanical type garage Download PDFInfo
- Publication number
- CN105805879A CN105805879A CN201610304038.7A CN201610304038A CN105805879A CN 105805879 A CN105805879 A CN 105805879A CN 201610304038 A CN201610304038 A CN 201610304038A CN 105805879 A CN105805879 A CN 105805879A
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- China
- Prior art keywords
- garage
- smoke evacuation
- mechanical type
- exhaust duct
- cylinder mechanical
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/02—Roof ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
- F24F7/065—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit fan combined with single duct; mounting arrangements of a fan in a duct
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Ventilation (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention discloses a ventilation and smoke discharge system of an underground cylinder mechanical type garage. The ventilation and smoke discharge system comprises a downcast shaft and an exhaust pipe. An inlet end of the downcast shaft communicates with outdoor space, and an outlet end of the downcast shaft communicates with the inner space of the garage. An inlet end of the exhaust pipe communicates with the inner space of the garage, and an outlet end of the exhaust pipe communicates with a draught fan and a solar air exhaust unit. An exhaust air port and a smoke discharge air port are formed in the inlet end of the exhaust pipe. A first valve is arranged between the exhaust pipe and the exhaust air port. A second valve is arranged between the exhaust pipe and the smoke discharge air port. A third valve is arranged between the exhaust pipe and the solar air exhaust unit. A fourth valve is arranged between the exhaust pipe and the draught fan. A fire disaster alarm probe and a combustible gas concentration detection probe are arranged in the garage. According to the system, natural ventilation is conducted through the solar air exhaust unit; and the draught fan is used for supplementation under the conditions of insufficient natural ventilation and fire disasters. The system is reasonable in structure, facilities of the underground cylinder mechanical type garage itself are fully used, and the ventilation and smoke discharge system has the beneficial effects of being capable of saving energy, environment-friendly, safe and reliable.
Description
Technical field
The invention belongs to underground garage technical field, be specifically related to a kind of underground cylinder mechanical type garage ventilation smoke evacuation system.
Background technology
Along with the progress of society, the recoverable amount of automobile is continuously increased, and what parking problem had become as city one denounces greatly, and underground cylinder mechanical garage can make full use of Underground Space Resource, can effectively alleviate the problems referred to above.Underground cylinder mechanical garage belongs to unmanned underground mechanical garage, and switch-off stops into garage, almost without vehicle exhaust.But owing to there being the existence of gasoline in automobile, having the probability of leakage of oil and oil gas volatilization, the lower upper limit of gasoline vapour blast is 1.3%～6.0%, has burning and the possibility of blast when gasoline vapor reaches a certain amount of.At ordinary times equipment being safeguarded and keep in repair, staff needs to enter underground cylinder mechanical garage, at this moment needs the air quality in garage is controlled；Amount is also required to an operating ambient temperature plus these equipment very greatly with the motor feels hot a lot of electrical equipment in garage, is difficult to work when temperature is significantly high and is likely to occur fault and fire.
To sum up, the ventilation of underground cylinder mechanical garage and the design of smoke evacuation system are necessary, and this plays an important role to entering the property safety of automobile and relevant device in the health of garage personnel, life security and garage.But underground cylinder mechanical garage there is problems when ventilation and smoke exhaust at present: for ventilation and the smoke exhaust of underground cylinder mechanical garage, lacks special design standards and norms.The engineering of underground cylinder mechanical garage, at present also seldom, lacks reference example.And underground mechanical garage ventilation mode adopts force ventilation mode, and ventilation operation and management mode is chaotic, big energy-consuming.
Summary of the invention
Present invention aim to address the problems referred to above, it is provided that a kind of energy-conserving and environment-protective, safe and reliable underground cylinder mechanical type garage ventilation smoke evacuation system.
For solving above-mentioned technical problem, the technical scheme is that a kind of underground cylinder mechanical type garage ventilation smoke evacuation system, including downcast and exhaust duct, the arrival end of downcast connects with the exterior space, the port of export connects with inner space, garage, the arrival end of exhaust duct connects with inner space, garage, and the port of export connects with blower fan and solar energy pumping cells respectively；The arrival end of exhaust duct is provided with air draft air port and smoke evacuation air port, the first valve it is provided with between exhaust duct and air draft air port, it is provided with the second valve between exhaust duct and smoke evacuation air port, is provided with the 3rd valve between exhaust duct and solar energy pumping cells, between exhaust duct and blower fan, is provided with the 4th valve；Being provided with fire alarm probe and combustable gas concentration detection probe in garage, fire alarm is popped one's head in and combustable gas concentration detection probe is equal and fan linkage.
Preferably, described solar energy pumping cells includes solar heat-collection plate and transparent glass, and both surround gas channel, and the arrival end of gas channel is connected with exhaust duct, and the port of export connects with the exterior space.
Preferably, the port of export of described gas channel is connected with air draft chimney, and the upper end of air draft chimney is provided with air draft well cap.
Preferably, described solar heat-collection plate is arranged in the outside wall surface of entrance building, and transparent glass is located at outside solar heat-collection plate.
Preferably, between the outside wall surface of described entrance building and solar heat-collection plate, thermal insulation layer is installed.
Preferably, the arrival end of described downcast is provided with downcast cap.
Preferably, described exhaust duct is located between the clearance position of garage parking plate and fender post.
Preferably, described downcast and exhaust duct are respectively arranged at inner space, garage opposite sides.
Preferably, the top of inner space, garage is located in described smoke evacuation air port.
Preferably, described air draft air port is located on each layer of parking stall in garage.
The invention has the beneficial effects as follows: underground provided by the present invention cylinder mechanical type garage ventilation smoke evacuation system, it is aerated discharging fume to inner space, garage by blower fan and solar energy pumping cells, solar energy pumping cells utilizes solar energy techniques, and solar heat-collection plate adds hot-air formation hot pressing and carries out gravity-flow ventilation to descend cylinder mechanical garage entrance building on the ground to arrange in combination；Blower fan is not enough as gravity-flow ventilation and supplementing under fire condition, it is possible to achieve quickly ventilation smoke exhaust.This system structure is reasonable, takes full advantage of the facility of underground cylinder mechanical garage itself, has energy-conserving and environment-protective, safe and reliable feature.
Accompanying drawing explanation
Fig. 1 is the structural representation of underground of the present invention cylinder mechanical type garage ventilation smoke evacuation system；
Fig. 2 is the top view of the entrance building of underground of the present invention cylinder mechanical garage aerial parts and machine room；
Fig. 3 is the transverse cross-sectional view of the entrance building of underground of the present invention cylinder mechanical garage aerial parts and machine room；
Fig. 4 is the transverse cross-sectional view of underground of the present invention cylinder mechanical garage.
Description of reference numerals: 1, downcast；2, exhaust duct；3, blower fan；4, air draft air port；5, smoke evacuation air port；6, the first valve；7, the second valve；8, the 3rd valve；9, the 4th valve；10, fire alarm probe；11, combustable gas concentration detection probe；12, solar heat-collection plate；13, transparent glass；14, gas channel；15, air draft chimney；16, air draft well cap；17, entrance building；19, downcast cap；20, fender post；21, machine room；22, top board；23, base plate；24, exterior wall.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described further:
As it is shown in figure 1, underground cylinder mechanical garage includes top board 22, base plate 23 and exterior wall 24, the exterior wall 24 of ring-type is centered around between top board 22 and base plate 23 and forms inner space, garage, and exterior wall 24 includes the fender post 20 that uniform intervals is arranged.
The underground cylinder mechanical type garage ventilation smoke evacuation system of the present invention, mainly include downcast 1, exhaust duct 2, blower fan 3 and solar energy pumping cells, wherein the arrival end of downcast 1 connects with the exterior space, the port of export connects with inner space, garage, the arrival end of exhaust duct 2 connects with inner space, garage, the port of export connects with blower fan 3 and solar energy pumping cells respectively, blower fan 3 and solar energy pumping cells are for discharging the air of inner space, garage by exhaust duct 2, downcast 1 for supplementing air to inner space, garage, thus forming air circulation.
The arrival end of exhaust duct 2 is provided with air draft air port 4 and smoke evacuation air port 5, and air draft air port 4 is located on each layer of parking stall in garage, and the distance of air draft air port distance parking plate lower surface must not exceed 300mm.The top of inner space, garage is located in smoke evacuation air port 5, it is simple to discharged as early as possible by smog under fire condition.
It is provided with the first valve 6 between exhaust duct 2 and air draft air port 4, is provided with the second valve 7 between exhaust duct 2 and smoke evacuation air port 5, is provided with the 3rd valve 8 between exhaust duct 2 and solar energy pumping cells, between exhaust duct 2 and blower fan 3, is provided with the 4th valve 9.The fire alarm probe 10 of the fire condition for monitoring inner space, garage it is provided with and for monitoring the combustable gas concentration detection probe 11 of the amount of fuel gas in garage, fire alarm probe 10 and combustable gas concentration detection probe 11 are evenly arranged in garage space according to related specifications, guaranteeing the ambient parameter effectively monitoring in garage, fire alarm probe 10 and combustable gas concentration detection probe 11 all link with blower fan the 3, first valve the 6, second valve the 7, the 3rd valve 8 and the 4th valve 9.
As shown in figures 1 and 3, solar energy pumping cells includes solar heat-collection plate 12 and transparent glass 13, and both surround gas channel 14, and the arrival end of gas channel 14 is connected with exhaust duct 2, and the port of export connects with the exterior space.Owing to the ground of underground cylinder mechanical garage being additionally provided with entrance building 17, in the present embodiment, solar heat-collection plate 12 is arranged in the outside wall surface of entrance building 17, and transparent glass 13 is located at outside solar heat-collection plate 12, is spaced a distance formation gas channel 14 between the two.The size of the distance between transparent glass and solar heat-collection plate, determines according to local sunlight intensity and solar heat-collection plate characteristic, makes heated air within it flow smoothly.
Between the outside wall surface of entrance building 17 and solar heat-collection plate 12, thermal insulation layer is installed, it is prevented that in entrance building, temperature is too high.
As depicted in figs. 1 and 2, transparent glass 13 makes pyramidal structure as the port of export for gas channel 14 on top, and the port of export is connected with air draft chimney 15, and the upper end of air draft chimney 15 is provided with the air draft well cap 16 for rain cover.
The arrival end well head of downcast 1 is provided with the downcast cap 19 for rain cover, and the port of export of downcast 1 extends to above B1 parking stall.Downcast intake is not less than the 50% of air draft air quantity, and downcast cross-sectional sizes is not more than 1.5m/s according to cross section wind speed and intake is determined jointly.If not being preferably less than 1m when the well head of downcast is arranged on greenbelt, if not being preferably less than 2m when other grades.
As shown in Figure 4, exhaust duct 2 is located between the clearance position of garage parking plate and fender post 20, and such setting, without individually taking the free space in garage, improves the utilization rate of inner space, garage.Especially, downcast 1 and exhaust duct 2 are respectively arranged at inner space, garage opposite sides, both the cross section of downcast 1 and the cross section line of exhaust duct 2 center of circle by exterior wall 24 cross section so that during air circulation, the air of inner space, garage can farthest circulate.
Blower fan 3 in the present embodiment adopts double speed smoke exhaust fan, is provided with machine room 21 against entrance building 17, and blower fan 3 is arranged in machine room 21.
Hereinafter the work process of the underground cylinder mechanical type garage ventilation smoke evacuation system of the present invention is described further:
Natural ventilating status: the second valve 7 and the 4th valve 9 are closed at ordinary times, first valve 6 and the 3rd valve 8 are opened, make air draft air port 4, exhaust duct 2 and solar energy pumping cells form path, utilize the heat air on solar heat-collection plate, after air heats, density diminishes and rises, and discharge from top row wind and smoke chimney, at this moment negative pressuren zone can be formed in the gas channel between air the old place and solar heat-collection plate and transparent glass, air in garage is automatically into this region, air also can from downcast automatically in garage subsequently, thus forming automatic air circulation, this draft type all can carry out under having a certain amount of illumination, without starting blower fan under this ruuning situation, and the remaining wet and harmful fuel gas of substantial amounts of waste heat that garage can be got rid of, without energy consumption, energy-conserving and environment-protective.
Force ventilation state: when the combustable gas concentration that the combustable gas concentration detection probe in garage detects exceedes setting value, close the 3rd valve 8, open the 4th valve 9 and blower fan, keep closing of the second valve 7 and opening of the first valve 6, now air draft air port 4, exhaust duct 2 and blower fan form path, blower fan rotates and carries out mechanical exhaust, when in garage, combustable gas concentration stops blower fan when dropping to a certain setting value, recover natural ventilating status, this draft type is only just run in rare cases, and the ratio accounting for the whole garage ventilation operation time is little.
Fire smoke evacuation state: when the fire alarm in garage is popped one's head in and is tested with fire generation, closing the first valve 6 and the 3rd valve 8, open the second valve 7 and the 4th valve 9, smoke evacuation air port 5, exhaust duct 2 and blower fan form path, start blower fan and carry out mechanical smoke extraction.This draft type is only just run in case of fire.
It should be noted that the ventilation smoke extraction system of the present invention is applicable not only to underground cylinder mechanical garage, it is also applied for usually Underground Garage and needs the underground of exhaust ventilation.
Those of ordinary skill in the art is it will be appreciated that embodiment described here is to aid in reader understanding's principles of the invention, it should be understood that protection scope of the present invention is not limited to such special statement and embodiment.Those of ordinary skill in the art can make various other various concrete deformation and combination without departing from essence of the present invention according to these technology disclosed by the invention enlightenment, and these deformation and combination remain in protection scope of the present invention.
Claims (10)
1. a underground cylinder mechanical type garage ventilation smoke evacuation system, it is characterized in that: include downcast (1) and exhaust duct (2), the arrival end of downcast (1) connects with the exterior space, the port of export connects with inner space, garage, the arrival end of exhaust duct (2) connects with inner space, garage, and the port of export connects with blower fan (3) and solar energy pumping cells respectively；The arrival end of exhaust duct (2) is provided with air draft air port (4) and smoke evacuation air port (5), the first valve (6) it is provided with between exhaust duct (2) and air draft air port (4), it is provided with the second valve (7) between exhaust duct (2) and smoke evacuation air port (5), it is provided with the 3rd valve (8) between exhaust duct (2) and solar energy pumping cells, between exhaust duct (2) and blower fan (3), is provided with the 4th valve (9)；Being provided with fire alarm probe (10) and combustable gas concentration detection probe (11) in garage, fire alarm probe (10) and combustable gas concentration detection probe (11) all link with blower fan (3).
2. underground according to claim 1 cylinder mechanical type garage ventilation smoke evacuation system, it is characterized in that: described solar energy pumping cells includes solar heat-collection plate (12) and transparent glass (13), both surround gas channel (14), the arrival end of gas channel (14) is connected with exhaust duct (2), and the port of export connects with the exterior space.
3. underground according to claim 2 cylinder mechanical type garage ventilation smoke evacuation system, it is characterized in that: the port of export of described gas channel (14) is connected with air draft chimney (15), the upper end of air draft chimney (15) is provided with air draft well cap (16).
4. underground according to claim 2 cylinder mechanical type garage ventilation smoke evacuation system, it is characterized in that: described solar heat-collection plate (12) is arranged in the outside wall surface of entrance building (17), transparent glass (13) is located at solar heat-collection plate (12) outside.
5. underground according to claim 4 cylinder mechanical type garage ventilation smoke evacuation system, it is characterised in that: between the outside wall surface of described entrance building (17) and solar heat-collection plate (12), thermal insulation layer is installed.
6. underground according to claim 1 cylinder mechanical type garage ventilation smoke evacuation system, it is characterised in that: the arrival end of described downcast (1) is provided with downcast cap (19).
7. underground according to claim 1 cylinder mechanical type garage ventilation smoke evacuation system, it is characterised in that: described exhaust duct (2) is located between the clearance position of garage parking plate and fender post (20).
8. underground according to claim 1 cylinder mechanical type garage ventilation smoke evacuation system, it is characterised in that: described downcast (1) and exhaust duct (2) are respectively arranged at inner space, garage opposite sides.
9. underground according to claim 1 cylinder mechanical type garage ventilation smoke evacuation system, it is characterised in that: described smoke evacuation air port (5) is located at the top of inner space, garage.
10. underground according to claim 1 cylinder mechanical type garage ventilation smoke evacuation system, it is characterised in that: described air draft air port (4) is located on each layer of parking stall in garage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610304038.7A CN105805879B (en) | 2016-05-10 | 2016-05-10 | A kind of mechanical garage ventilation smoke evacuation system of underground cylinder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610304038.7A CN105805879B (en) | 2016-05-10 | 2016-05-10 | A kind of mechanical garage ventilation smoke evacuation system of underground cylinder |
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| Publication Number | Publication Date |
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| CN105805879A true CN105805879A (en) | 2016-07-27 |
| CN105805879B CN105805879B (en) | 2018-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610304038.7A Active CN105805879B (en) | 2016-05-10 | 2016-05-10 | A kind of mechanical garage ventilation smoke evacuation system of underground cylinder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108889752A (en) * | 2018-04-28 | 2018-11-27 | 同济大学 | A kind of double-exhaust port formula air exhausting device and workshop exhaust system |
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| DE10237993A1 (en) * | 2002-05-29 | 2003-12-18 | Gebaeude Technik Dresden Gmbh | Ventilating system and process for single and multi story buildings especially car parks has vertical shaft with air blast and outlets on each floor |
| JP2007132597A (en) * | 2005-11-10 | 2007-05-31 | Royal Electric Co Ltd | Simultaneous air supply and exhaust type range hood |
| CN202758213U (en) * | 2012-04-27 | 2013-02-27 | 深圳市瑞思科科技有限公司 | Underground parking lot environmental monitoring system |
| CN203257447U (en) * | 2013-04-27 | 2013-10-30 | 张东省 | Solar heat flow tunnel ventilation system |
| CN203742209U (en) * | 2014-02-12 | 2014-07-30 | 北京四季常绿科技有限公司 | Underground circular parking garage |
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| CN108889752A (en) * | 2018-04-28 | 2018-11-27 | 同济大学 | A kind of double-exhaust port formula air exhausting device and workshop exhaust system |
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| CN105805879B (en) | 2018-10-23 |
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