CN105805879B - A kind of mechanical garage ventilation smoke evacuation system of underground cylinder - Google Patents
A kind of mechanical garage ventilation smoke evacuation system of underground cylinder Download PDFInfo
- Publication number
- CN105805879B CN105805879B CN201610304038.7A CN201610304038A CN105805879B CN 105805879 B CN105805879 B CN 105805879B CN 201610304038 A CN201610304038 A CN 201610304038A CN 105805879 B CN105805879 B CN 105805879B
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- Prior art keywords
- garage
- exhaust duct
- smoke evacuation
- valve
- downcast
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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)
- Respiratory Apparatuses And Protective Means (AREA)
- Ventilation (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention discloses a kind of mechanical garage ventilation smoke evacuation systems of underground cylinder, including downcast and exhaust duct, the arrival end of downcast is connected to the exterior space, outlet end is connected to garage inner space, the arrival end of exhaust duct is connected to garage inner space, and outlet end is connected to wind turbine and solar energy pumping cells respectively;The arrival end of exhaust duct is equipped with air draft air port and smoke evacuation air port, the first valve is equipped between exhaust duct and air draft air port, it is equipped with the second valve between exhaust duct and smoke evacuation air port, third valve is equipped between exhaust duct and solar energy pumping cells, the 4th valve is equipped between exhaust duct and wind turbine;Fire alarm probe and combustable gas concentration detection probe are equipped in garage.The system carries out gravity-flow ventilation by solar energy pumping cells;Wind turbine is as the supplement under gravity-flow ventilation deficiency and fire condition.System structure is reasonable, takes full advantage of the facility of underground cylinder mechanical garage itself, has the characteristics that energy conservation and environmental protection, safe and reliable.
Description
Technical field
The invention belongs to underground garage technical fields, and in particular to a kind of underground cylinder mechanical garage ventilation smoke evacuation system
System.
Background technology
With the development of the society, the ownership of automobile is continuously increased, what parking problem had become city one denounces greatly, ground
Lower cylinder mechanical garage can make full use of Underground Space Resource, can effectively alleviate the above problem.The mechanical vehicle of underground cylinder
Library belongs to unmanned underground mechanical garage, and switch-off stops into garage, almost without vehicle exhaust.But due to having gasoline in automobile
Presence, have a possibility of oil leak and oil gas volatilization, the lower upper limit of gasoline vapour explosion is 1.3%~6.0%, when gasoline vapor reaches
To it is a certain amount of when have the possibility of burning and explosion.Usually equipment is safeguarded and repaired, staff needs to enter underground circle
Cylinder mechanical garage, at this moment needs to control the air quality in garage;There are many electrical equipments and motor in garage
Calorific value is also required to an operating ambient temperature very much plus these equipment greatly, and work is difficult to when temperature is very high and may be gone out
Existing failure and fire.
To sum up, the ventilation of underground cylinder mechanical garage and the design of smoke evacuation system are necessary, this is to entering garage people
The property safety of automobile and relevant device plays an important role in the health of member, life security and garage.But current underground
Cylinder mechanical garage there is problems in ventilation and smoke exhaust:For underground cylinder mechanical garage ventilation and
Smoke exhaust lacks special design standard and specification.The engineering of underground cylinder mechanical garage is also seldom at present, lacks ginseng
Examine example.And underground mechanical garage ventilation mode uses force ventilation mode, and operation and management mode of divulging information is chaotic, energy consumption
It is more.
Invention content
Present invention aim to address the above problem, it is mechanical to provide a kind of energy conservation and environmental protection, safe and reliable underground cylinder
Garage ventilation smoke evacuation system.
In order to solve the above technical problems, the technical scheme is that:A kind of mechanical garage ventilation smoke evacuation of underground cylinder
System, including downcast and exhaust duct, the arrival end of downcast are connected to the exterior space, and outlet end connects with garage inner space
Logical, the arrival end of exhaust duct is connected to garage inner space, and outlet end is connected to wind turbine and solar energy pumping cells respectively;Air draft
The arrival end of pipe is equipped with air draft air port and smoke evacuation air port, and the first valve, exhaust duct and row are equipped between exhaust duct and air draft air port
Be equipped with the second valve between cigarette air port, be equipped with third valve between exhaust duct and solar energy pumping cells, exhaust duct and wind turbine it
Between be equipped with the 4th valve;Fire alarm probe and combustable gas concentration detection probe are equipped in garage, fire alarm pops one's head in and can
Combustion gas bulk concentration detection probe is and fan linkage.
Preferably, the solar energy pumping cells include solar heat-collection plate and transparent glass, and the two surrounds gas channel,
The arrival end of gas channel is connected with exhaust duct, and outlet end is connected to the exterior space.
Preferably, the outlet end of the gas channel is connected with air draft chimney, and the upper end of air draft chimney is equipped with removing shaft cap.
Preferably, the solar heat-collection plate is mounted in the outside wall surface of entrance building, and transparent glass is set to solar energy collection
On the outside of hot plate.
Preferably, thermal insulation layer is installed between the outside wall surface and solar heat-collection plate of the entrance building.
Preferably, the arrival end of the downcast is equipped with downcast cap.
Preferably, the exhaust duct is set between garage parking plate and the clearance position of fender post.
Preferably, the downcast and exhaust duct are respectively arranged at garage inner space opposite sides.
Preferably, the smoke evacuation air port is set to the top of garage inner space.
Preferably, the air draft air port is set on each layer of parking stall in garage.
The beneficial effects of the invention are as follows:Cylinder mechanical garage ventilation smoke evacuation system in underground provided by the present invention, passes through
Wind turbine and solar energy pumping cells are aerated smoke evacuation to garage inner space, and solar energy pumping cells utilize solar energy optical-thermal skill
Art descends entrance building arrangement solar heat-collection plate heating air in cylinder mechanical garage ground to form hot pressing and carries out nature in combination
Ventilation;Quick ventilation smoke exhaust may be implemented as the supplement under gravity-flow ventilation deficiency and fire condition in wind turbine.The system structure is closed
Reason, takes full advantage of the facility of underground cylinder mechanical garage itself, has the characteristics that energy conservation and environmental protection, safe and reliable.
Description of the drawings
Fig. 1 is the structural schematic diagram of the mechanical garage ventilation smoke evacuation system of underground cylinder of the present invention;
Fig. 2 is the vertical view of the entrance building and computer room of cylinder mechanical garage aerial part in underground of the present invention;
Fig. 3 is the transverse cross-sectional view of the entrance building and computer room of cylinder mechanical garage aerial part in underground of the present invention;
Fig. 4 is the transverse cross-sectional view of cylinder mechanical garage in underground of the present invention.
Reference sign:1, downcast;2, exhaust duct;3, wind turbine;4, air draft air port;5, smoke evacuation air port;6, the first valve
Door;7, the second valve;8, third valve;9, the 4th valve;10, fire alarm is popped one's head in;11, combustable gas concentration detection probe;
12, solar heat-collection plate;13, transparent glass;14, gas channel;15, air draft chimney;16, removing shaft cap;17, entrance building;
19, downcast cap;20, fender post;21, computer room;22, top plate;23, bottom plate;24, exterior wall.
Specific implementation mode
The present invention is described further in the following with reference to the drawings and specific embodiments:
As shown in Figure 1, underground cylinder mechanical garage includes top plate 22, bottom plate 23 and exterior wall 24, cricoid exterior wall 24 encloses
It is wound on formation garage inner space between top plate 22 and bottom plate 23, exterior wall 24 includes the fender post 20 of uniform intervals setting.
The mechanical garage ventilation smoke evacuation system of underground cylinder of the present invention includes mainly downcast 1, exhaust duct 2, wind turbine 3
It being connected to the exterior space with the arrival end of solar energy pumping cells, wherein downcast 1, outlet end is connected to garage inner space,
The arrival end of exhaust duct 2 is connected to garage inner space, and outlet end is connected to wind turbine 3 and solar energy pumping cells respectively, wind turbine 3
It with solar energy pumping cells is used to that the air of garage inner space to be discharged by exhaust duct 2, downcast 1 is used for the inside of garage
Space make-up air, to form air circulation.
The arrival end of exhaust duct 2 is equipped with air draft air port 4 and smoke evacuation air port 5, and air draft air port 4 is set to each layer of parking in garage
On position, and distance of the air draft air port apart from parking plate lower surface must not exceed 300mm.Air port 5 discharge fume set on garage inner space
Top, convenient for smog is discharged as early as possible under fire condition.
It is equipped with the first valve 6 between exhaust duct 2 and air draft air port 4, the second valve is equipped between exhaust duct 2 and smoke evacuation air port 5
Door 7 is equipped with third valve 8 between exhaust duct 2 and solar energy pumping cells, the 4th valve 9 is equipped between exhaust duct 2 and wind turbine 3.
The fire alarm probe 10 of the fire condition for monitoring garage inner space is equipped in garage and for monitoring fuel gas
The combustable gas concentration detection probe 11 of amount, fire alarm probe 10 and combustable gas concentration detection probe 11 are according to related specifications
It is evenly arranged in garage space, it is ensured that the environmental parameter effectively in monitoring garage, fire alarm probe 10 and fuel gas are dense
Detection probe 11 is spent to link with wind turbine 3, the first valve 6, the second valve 7, third valve 8 and the 4th valve 9.
As shown in figures 1 and 3, solar energy pumping cells include solar heat-collection plate 12 and transparent glass 13, and the two surrounds
The arrival end of gas channel 14, gas channel 14 is connected with exhaust duct 2, and outlet end is connected to the exterior space.Due to underground cylinder
Entrance building 17 is additionally provided on the ground of mechanical garage, in the present embodiment, solar heat-collection plate 12 is mounted on entrance building
In 17 outside wall surface, transparent glass 13 is set to 12 outside of solar heat-collection plate, is spaced a distance to form air-flow between the two
Channel 14.The size of the distance between transparent glass and solar heat-collection plate, according to local sunlight exposure intensity and solar energy
Collecting plate characteristic determines, heated air is made smoothly to be flowed in it.
Thermal insulation layer is installed between the outside wall surface and solar heat-collection plate 12 of entrance building 17, prevents temperature mistake in entrance building
It is high.
As depicted in figs. 1 and 2, transparent glass 13 makes pyramidal structure as the outlet end for gas channel 14 on top,
Outlet end is connected with air draft chimney 15, and the upper end of air draft chimney 15 is equipped with the removing shaft cap 16 for rain cover.
The arrival end well head of downcast 1 is equipped with the downcast cap 19 for rain cover, and the outlet end of downcast 1 extends to underground
Above one layer of parking stall.Downcast intake be not less than air draft air quantity 50%, downcast cross-sectional sizes according to section wind speed not
It is determined jointly more than both 1.5m/s and intake.If the well head of downcast, which is arranged, is not preferably less than 1m in greenbelt, if at it
2m is not preferably less than when his grade.
As shown in figure 4, exhaust duct 2 is set between garage parking plate and the clearance position of fender post 20, such setting is not necessarily to
The free space for individually occupying garage, improves the utilization rate of garage inner space.Particularly, downcast 1 and exhaust duct 2 are distinguished
It is set to garage inner space opposite sides, both the section line of the section of downcast 1 and exhaust duct 2 passed through 24 section of exterior wall
The center of circle so that the air of garage inner space can circulate to the greatest extent when air circulation.
Wind turbine 3 in the present embodiment uses double speed smoke exhaust fan, is equipped with computer room 21 against entrance building 17, wind turbine 3 is installed
In computer room 21.
The course of work of the mechanical garage ventilation smoke evacuation system of underground cylinder of the present invention is described further below:
Natural ventilating status:Usually the second valve 7 and the 4th valve 9 are closed, and the first valve 6 and third valve 8 are opened, and are made
Air draft air port 4, exhaust duct 2 and solar energy pumping cells form access, using the heat air on solar heat-collection plate,
Density becomes smaller and rises after air heats, and is discharged from top air draft chimney, at this moment can be in air the old place, that is, solar energy
Negative pressuren zone is formed in gas channel between collecting plate and transparent glass, the air in garage is then empty automatically into the region
Gas also can be from downcast automatically into garage, and to form automatic air cycle, which is having a certain amount of illumination
Can carry out down, without starting wind turbine under this operating condition, and can exclude more than a large amount of waste heat in garage it is wet and it is harmful can
Combustion gas body is not necessarily to energy consumption, energy conservation and environmental protection.
Force ventilation state:The combustable gas concentration that combustable gas concentration detection probe in garage detects is more than setting
When value, third valve 8 is closed, opens the 4th valve 9 and wind turbine, keeps closing and the opening of the first valve 6 of the second valve 7,
Air draft air port 4, exhaust duct 2 and wind turbine form access at this time, and wind turbine rotation carries out mechanical exhaust, when combustable gas concentration in garage
Stop wind turbine when dropping to a certain setting value, restore natural ventilating status, which only just transports in rare cases
Row, the ratio for accounting for entire garage ventilation run time are seldom.
Fire smoke evacuation state:When the fire alarm probe in garage, which is tested with fire, to be occurred, 6 He of the first valve is closed
Third valve 8 opens the second valve 7 and the 4th valve 9, and smoke evacuation air port 5, exhaust duct 2 and wind turbine form access, start wind turbine into
Row mechanical smoke extraction.The 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 suitable
In general underground garage and need the underground of exhaust ventilation.
Those of ordinary skill in the art will understand that the embodiments described herein, which is to help reader, understands this hair
Bright principle, it should be understood that protection scope of the present invention is not limited to such specific embodiments and embodiments.This field
Those of ordinary skill can make according to the technical disclosures disclosed by the invention various does not depart from the other each of essence of the invention
The specific variations and combinations of kind, these variations and combinations are still within the scope of the present invention.
Claims (7)
1. a kind of mechanical garage ventilation smoke evacuation system of underground cylinder, it is characterised in that:Including downcast (1) and exhaust duct (2),
The arrival end of downcast (1) is connected to the exterior space, and outlet end is connected to garage inner space, the arrival end of exhaust duct (2) with
Garage inner space is connected to, and outlet end is connected to wind turbine (3) and solar energy pumping cells respectively;The arrival end of exhaust duct (2) is set
There are air draft air port (4) and smoke evacuation air port (5), the first valve (6), exhaust duct are equipped between exhaust duct (2) and air draft air port (4)
(2) it is equipped with the second valve (7) between smoke evacuation air port (5), third valve is equipped between exhaust duct (2) and solar energy pumping cells
(8), the 4th valve (9) is equipped between exhaust duct (2) and wind turbine (3);Fire alarm probe (10) and combustible gas are equipped in garage
Bulk concentration detection probe (11), fire alarm is popped one's head in (10) and combustable gas concentration detection probe (11) links with wind turbine (3);
The solar energy pumping cells include solar heat-collection plate (12) and transparent glass (13), and the two surrounds gas channel
(14), the arrival end of gas channel (14) is connected with exhaust duct (2), and outlet end is connected to the exterior space;
The exhaust duct (2) is set between garage parking plate and the clearance position of fender post (20);
The downcast (1) and exhaust duct (2) are respectively arranged at garage inner space opposite sides.
2. cylinder mechanical garage ventilation smoke evacuation system in underground according to claim 1, it is characterised in that:The air-flow is logical
The outlet end in road (14) is connected with air draft chimney (15), and the upper end of air draft chimney (15) is equipped with removing shaft cap (16).
3. cylinder mechanical garage ventilation smoke evacuation system in underground according to claim 1, it is characterised in that:The solar energy
Collecting plate (12) is mounted in the outside wall surface of entrance building (17), and transparent glass (13) is set on the outside of solar heat-collection plate (12).
4. cylinder mechanical garage ventilation smoke evacuation system in underground according to claim 3, it is characterised in that:The entrance is built
It builds and thermal insulation layer is installed between the outside wall surface of (17) and solar heat-collection plate (12).
5. cylinder mechanical garage ventilation smoke evacuation system in underground according to claim 1, it is characterised in that:The downcast
(1) arrival end is equipped with downcast cap (19).
6. cylinder mechanical garage ventilation smoke evacuation system in underground according to claim 1, it is characterised in that:The Smoke
Mouth (5) is set to the top of garage inner space.
7. cylinder mechanical garage ventilation smoke evacuation system in underground according to claim 1, it is characterised in that:The air draft wind
Mouth (4) is set on each layer of parking stall in garage.
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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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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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CN105805879A CN105805879A (en) | 2016-07-27 |
CN105805879B true CN105805879B (en) | 2018-10-23 |
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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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CN108889752B (en) * | 2018-04-28 | 2022-02-08 | 同济大学 | Double exhaust port formula exhaust device and workshop exhaust system |
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CN105256981A (en) * | 2015-10-27 | 2016-01-20 | 上海市政工程设计研究总院(集团)有限公司 | Ventilation and smoke exhaustion method of underground stereo parking garage |
CN205641340U (en) * | 2016-05-10 | 2016-10-12 | 中建地下空间有限公司 | Underground drum mechanical type garage ventilation system of discharging fume |
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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 |
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 |
CN105156144A (en) * | 2015-09-08 | 2015-12-16 | 陕西科技大学 | Complementary tunnel natural ventilation system with solar air pump and method |
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