CN104847148B - Natural ventilation system of underground stereo garage - Google Patents

Natural ventilation system of underground stereo garage Download PDF

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Publication number
CN104847148B
CN104847148B CN201510225384.1A CN201510225384A CN104847148B CN 104847148 B CN104847148 B CN 104847148B CN 201510225384 A CN201510225384 A CN 201510225384A CN 104847148 B CN104847148 B CN 104847148B
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garage
parking
underground
ground
ventilation
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CN104847148A (en
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施孝增
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Shanghai Municipal Engineering Design Insitute Group Co Ltd
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Shanghai Municipal Engineering Design Insitute Group Co Ltd
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Abstract

The invention discloses a natural ventilation system of an underground three-dimensional parking garage, wherein a ground parking house is arranged above the underground three-dimensional parking garage, a garage outer side ventilation channel and a garage bottom ventilation channel are respectively arranged on the outer side and the lower side of the underground three-dimensional parking garage, a ground parking house outer side ventilation channel communicated with the garage outer side ventilation channel is arranged on the outer side of the ground parking house, a top natural ventilation opening is arranged at the top of the ground parking house, a plurality of inner side natural ventilation openings and outer side natural ventilation openings are respectively arranged on the inner wall and the outer wall of the ground parking house outer side ventilation channel, and a plurality of underground parking stall ventilation openings are arranged on the inner wall of the garage outer side ventilation channel from. The invention can realize through natural ventilation of the underground three-dimensional garage no matter in the working state of parking and picking up the car or in the non-working state, can effectively dilute and remove peculiar smell in the underground three-dimensional garage, obviously reduces the environmental temperature of equipment such as a transformer in the underground three-dimensional garage, and enhances the smoke removal capability in case of fire.

Description

Natural ventilation system of underground stereo garage
Technical Field
The invention relates to the field of underground parking garage ventilation, in particular to a natural ventilation system of an underground three-dimensional parking garage, which is particularly suitable for underground three-dimensional parking garages with large buried depth and large parking quantity.
Background
With the development of society and economy, cars are gradually popularized in cities. Statistically, there are over 100 million cars in 31 cities in the country, with over 500 million cars in Beijing. Compared with the scarce land resources in cities, the parking spaces become a good-tasting pet for the motormen. Therefore, the underground three-dimensional parking garage which can fully utilize the underground space can be produced.
Traditional underground stereo garage, as shown in fig. 1, only through the parking and carry opening and close of year car revolving platform when getting the car, realize underground stereo garage's ventilation, because the oil gas smell of vehicle release and the harmful gas that underground garage bottom is gathered are more, traditional ventilation mode can't satisfy the sanitary requirement. When the inspection and maintenance personnel enter the parking garage, the inspection and maintenance personnel only can carry the oxygen supply equipment to enter, so that 36750c is increased, and inspection and maintenance are inconvenient. In addition, the poor ventilation effect can lead to heat accumulation in the underground three-dimensional parking garage, reduces the efficiency of consumer such as transformer, switch board, and long this past, influences equipment life. In addition, the traditional underground three-dimensional parking garage does not consider the possibility of fire in a ground parking room, thereby bringing about potential safety hazards.
Disclosure of Invention
The invention aims to provide a natural ventilation system of an underground three-dimensional parking garage according to the defects of the prior art, which can form through convection airflow in the underground garage all the time, can obviously reduce the working environment temperature of equipment such as transformers and the like in the underground three-dimensional garage, and enhances the smoke removal capability of the underground three-dimensional garage when a fire disaster occurs.
In order to solve the technical problems, the invention provides the following technical scheme:
the utility model provides an underground stereo garage natural ventilation system, underground stereo garage's top is equipped with the ground parking room, underground stereo garage's the outside and below are equipped with garage outside air channel and garage bottom air channel respectively, the outside of ground parking room be equipped with the ground parking room outside air channel of garage outside air channel intercommunication, the top of ground parking room is equipped with top natural vent, set up a plurality of inboard natural vent and outside natural vent on the interior wall of ground parking room outside air channel and the outer wall respectively, by supreme a plurality of underground parking stall vents that are equipped with down on the interior wall of garage outside air channel.
Optionally, in the natural ventilation system of the underground stereo garage, the cross section of the ground parking house is circular, rectangular or elliptical.
Optionally, in the natural ventilation system of the underground three-dimensional parking garage, a garage lifting channel for lifting the vehicle-carrying revolving platform is arranged in the middle of the underground three-dimensional parking garage, the periphery of the garage lifting channel is divided into a plurality of layers of parking space structures from top to bottom, each layer of parking space structure is divided into a plurality of underground parking space units, and the inner wall of the ventilation channel outside the ground parking house is provided with the underground parking space ventilation openings corresponding to each underground parking space unit.
Optionally, in the natural ventilation system of the underground stereo garage, the vehicle-carrying revolving platform can ascend and descend and can stop on the ground or any layer of parking space structure.
Optionally, in the natural ventilation system of an underground stereo parking garage, the inner natural ventilation openings are symmetrically arranged on the inner wall of the ventilation channel outside the ground parking house, and the outer natural ventilation openings are symmetrically arranged on the outer wall of the ventilation channel outside the ground parking house.
Optionally, in the natural ventilation system of an underground stereo garage, the ground parking house is provided with a ground parking house inlet and a ground parking house outlet, and the ground parking house inlet and the ground parking house outlet are arranged oppositely.
Optionally, in the natural ventilation system of the underground stereo garage, an electric sealing valve is respectively arranged at the top natural ventilation opening and the inner side natural ventilation opening of the ground garage.
According to the technical scheme, when the underground three-dimensional parking garage is in a non-working state, the vehicle-carrying rotary table and the terrace of a parking waiting area keep the same height, a top natural ventilation opening and an inner natural ventilation opening of a ground parking house are closed, the outer natural ventilation opening of the ground parking house and an underground parking space ventilation opening of the underground three-dimensional parking garage keep a normally open state, under the action of outdoor wind direction guiding, air flow enters an outer ventilation channel of the garage through the outer natural ventilation opening of the ground parking house, then oil gas smell and peculiar smell of the underground parking garage are diluted through the underground parking space ventilation opening, the ventilation channel at the bottom of the garage and a garage lifting channel, and under the continuous action of outdoor atmospheric wind pressure, dirty air is collected by the outer ventilation channel of the garage at the leeward side and then is discharged through the outer natural ventilation opening of the ground parking house at the leeward side, so that the through type natural, therefore, the working environment temperature of equipment such as transformers and the like in the underground stereo garage can be obviously reduced, and the smoke removing capability of the underground stereo garage in case of fire is enhanced.
When the underground three-dimensional parking garage is in a working state, the vehicle-carrying rotary table is inconsistent with the floor level of a parking waiting area in the height direction, except that the inner natural ventilation opening on the windward side is closed, the other ventilation openings are opened, under the action of outdoor main wind direction, airflow enters the outer ventilation channel of the underground three-dimensional parking garage from the outer natural ventilation opening on the windward side of the ground parking garage, then the odor and peculiar smell of the underground parking garage are diluted through the ventilation opening of the underground parking garage, the air is discharged from the outer natural ventilation opening of the ground parking garage on the leeward side after being collected by the outer ventilation channel of the garage on the leeward side under the continuous action of outdoor atmospheric wind pressure, and the other part of the dirty air is discharged from the natural ventilation opening on the top of the ground parking garage under the hot pressing action, so that the working environment temperature of equipment such as a transformer in the underground three-dimensional, the smoke removal capability of the underground stereo garage in case of fire is enhanced.
When a fire disaster occurs in the ground parking room, the electric closed valves of the top natural ventilation opening and the inner side natural ventilation opening of the ground parking room are opened to naturally discharge smoke, so that the smoke discharge capacity of the underground stereo garage when the fire disaster occurs is enhanced.
The invention can effectively dilute and remove the leaked oil smell and peculiar smell in the underground stereo garage, obviously reduce the working environment temperature of equipment such as transformers and the like in the underground stereo garage, and enhance the smoke removal capability of the underground stereo garage when a fire disaster occurs.
Drawings
Fig. 1 is a schematic longitudinal section view of a conventional underground stereo parking garage.
FIG. 2 is a schematic longitudinal sectional view of the natural ventilation system of an underground stereo garage according to the present invention.
Fig. 3 is a schematic sectional view taken along line a-a of fig. 2.
Fig. 4 is a schematic sectional view taken along line B-B of fig. 2.
FIG. 5 is a schematic view of the natural ventilation system of the underground stereo garage according to the first embodiment of the present invention.
FIG. 6 is a schematic view of the natural ventilation system of an underground stereo garage according to the present invention.
FIG. 7 is a schematic view of the natural ventilation system of an underground stereo garage according to the present invention.
In the figure: 1-top natural ventilation opening, 101-ground parking house inlet, 102-ground parking house outlet, 103-ground parking house, 2-outside natural ventilation opening, 201-inside natural ventilation opening, 3-vehicle-carrying revolving platform, 301-parking waiting area terrace, 4-inner wall of outside air duct of ground parking house, 401-inner wall of outside air duct of garage, 5-outer wall of outside air duct of garage, 6-underground parking space ventilation opening, 7-outside air duct of garage, 8-underground parking space, 9-bottom air duct of garage, 10-garage lifting channel, 11-outside air duct of ground parking house.
Detailed Description
The natural ventilation system of an underground stereo garage provided by the invention is further described in detail by combining the attached drawings and specific embodiments. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.
Referring to fig. 2 to 7, in the present embodiment, a natural ventilation system for an underground stereo parking garage is disclosed, a garage outside air duct 7 and a garage bottom air duct 9 are respectively disposed on the outer side and the lower side around the underground stereo parking garage, a ground parking house outside air duct 11 communicated with the garage outside air duct 7 is disposed on the outer side around the ground parking house, a top natural ventilation opening 1 is disposed at the top of the ground parking house 103, a plurality of inner natural ventilation openings 201 and a plurality of outer natural ventilation openings 2 are respectively disposed on an inner wall 4 of the ground parking house outside air duct 11 and an outer wall of the ground parking house outside air duct 11, and a plurality of underground parking space ventilation openings 6 are disposed on the inner wall of the garage outside air duct 7 from bottom to top. In order to support the underground three-dimensional parking garage, a vertical column (not shown) can be arranged on the inner wall 401 of the air duct 7 outside the garage and/or on the wall position of the garage lifting channel 11.
Optionally, the middle part of the underground stereo garage is provided with a garage lifting channel 10 for lifting the vehicle-carrying revolving platform 3, the periphery of the garage lifting channel is divided into a plurality of layers of parking space structures from top to bottom, and each layer of parking space structure is divided into a plurality of underground parking bit units 8. The vehicle-carrying rotary table 3 can be lifted up and down and can be stopped on the ground or any layer of parking space structure.
Alternatively, in the natural ventilation system of the underground three-dimensional parking garage, the cross section of the ground parking room 103 can be circular, rectangular or elliptical. In this embodiment, the cross section of the ground parking room 103 is circular, so as to facilitate the operation of the vehicle-carrying rotary table 3.
In this embodiment, as shown in fig. 4, each layer of parking space structure is circular, or may be circular with a garage lifting channel, each layer of parking space structure is uniformly divided into 12 underground parking spaces 8, an inner wall 401 of the air duct outside the garage is provided with an underground parking space vent 6 corresponding to each underground parking space 8, that is, the outer side wall of each underground parking space 8 is provided with an underground parking space vent 6,
in order to facilitate vehicles to enter and exit the underground stereo garage, the ground parking room 103 is provided with a ground parking room inlet 101 and a ground parking room outlet 102, and the ground parking room inlet 101 is opposite to the ground parking room outlet 102.
Optionally, in the natural ventilation system of the underground stereo garage, an electric closed valve (not shown) is respectively arranged at the top natural ventilation opening 1 and the inner side natural ventilation opening 201 of the ground parking room 103, and the electric closed valve can be used for discharging smoke to enhance the smoke discharge capability of the underground stereo garage.
When the underground three-dimensional parking garage is in a non-working state, the vehicle-carrying rotary table 3 keeps consistent height with the floor 301 of a parking waiting area, the top natural ventilation opening 1 and the inner natural ventilation opening 201 of the ground parking house 103 are closed, the outer natural ventilation opening 2 of the ground parking house and the underground parking space ventilation opening 6 of the underground three-dimensional parking garage keep a normally open state, under the action of outdoor wind direction, air flow enters the outer ventilation channel 7 of the garage through the outer natural ventilation opening 2 of the ground parking house 103, then the oil-gas smell and the peculiar smell of the underground parking garage are diluted through the underground parking space ventilation opening 6, the garage bottom ventilation channel 9 and the garage lifting channel 10, after being collected by the outer ventilation channel 7 of the garage at the leeward side under the continuous action of outdoor atmospheric wind pressure, dirty air is discharged through the outer natural ventilation opening 2 of the ground parking house 103 at the leeward side, so that the through type natural ventilation of, therefore, the working environment temperature of equipment such as transformers and the like in the underground three-dimensional garage can be obviously reduced.
When the underground three-dimensional parking garage is in a working state, the vehicle-carrying rotary table 3 is not consistent with the floor 301 of the parking waiting area in height except that the inner natural ventilation opening 201 on the windward side is closed, the other ventilation openings are opened, under the action of outdoor main wind direction, airflow enters the outer ventilation passage 7 of the underground three-dimensional parking garage from the outer natural ventilation opening 2 on the windward side of the ground parking garage 103, then the odor and peculiar smell of the oil and the gas in the underground parking garage are diluted through the ventilation opening 6 of the underground parking garage, the ventilation passage 9 at the bottom of the garage and the lifting passage 10 of the garage, under the continuous action of outdoor atmospheric wind pressure, a part of dirty air is collected by the outer ventilation passage 7 of the garage on the leeward side, is discharged through the outer natural ventilation opening 2 of the ground parking garage 103 on the leeward side, and the other part is discharged from the natural ventilation opening 1 on the top of the ground parking garage 103 under the, and further, the working environment temperature of equipment such as transformers and the like in the underground three-dimensional garage is obviously reduced.
When a fire disaster occurs in the ground parking room, the electric sealing valves of the top natural ventilation opening 1 and the inner side natural ventilation opening 201 of the ground parking room 103 are opened to naturally discharge smoke, so that the smoke discharge capacity of the underground stereo garage during the fire disaster can be enhanced.
In conclusion, compared with the prior art, the traditional underground three-dimensional parking garage realizes ventilation of the underground three-dimensional parking garage only through the opening and closing of the vehicle-carrying rotary table during parking and taking the vehicle, and does not consider the smoke discharge problem of the ground parking house under the fire working condition; the invention can realize through type integral natural ventilation of the underground three-dimensional garage no matter in the working state of parking and picking up the car or in the non-working state, can effectively dilute and remove oil leakage smell and peculiar smell in the underground three-dimensional garage, obviously reduce the working environment temperature of equipment such as a transformer in the underground three-dimensional garage, and can carry out natural smoke exhaust under the condition of fire disaster, thereby enhancing the smoke exhaust capability of the underground three-dimensional garage when the fire disaster occurs.
The above description is only for the purpose of describing the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, and any variations and modifications made by those skilled in the art based on the above disclosure are within the scope of the appended claims.

Claims (5)

1. A natural ventilation system of an underground three-dimensional parking garage is characterized in that a ground parking house is arranged above the underground three-dimensional parking garage, a garage outer side ventilation channel and a garage bottom ventilation channel are respectively arranged on the outer side and the lower side of the underground three-dimensional parking garage, a ground parking house outer side ventilation channel communicated with the garage outer side ventilation channel is arranged on the outer side of the ground parking house, a top natural ventilation opening is arranged on the top of the ground parking house, a plurality of inner side natural ventilation openings and outer side natural ventilation openings are respectively arranged on the inner wall and the outer wall of the ground parking house outer side ventilation channel, a plurality of underground parking space ventilation openings are arranged on the inner wall of the ground parking house outer side ventilation channel from bottom to top, the inner side natural ventilation openings are symmetrically arranged on the inner wall of the ground parking house outer side ventilation channel, the outer side natural ventilation openings are symmetrically arranged on the outer wall of, the ground parking room is provided with a ground parking room inlet and a ground parking room outlet, the ground parking room inlet is opposite to the ground parking room outlet, and the outer natural ventilation opening, the ground parking room inlet and the ground parking room outlet are enclosed into a ring and are arranged on the outer side of the inner wall of the ventilation channel on the outer side of the ground parking room.
2. The natural ventilation system of underground stereo garage according to claim 1, wherein the cross section of said ground garage is circular, rectangular or elliptical.
3. The natural ventilation system for underground three-dimensional parking garages according to claim 2, wherein a garage lifting channel for lifting the vehicle-carrying revolving platform is arranged in the middle of the underground three-dimensional parking garage, the periphery of the garage lifting channel is divided into a plurality of layers of parking space structures from top to bottom, each layer of parking space structure is divided into a plurality of underground parking space units, and the underground parking space ventilation openings are formed on the inner wall of the ventilation channel outside the ground parking house corresponding to each underground parking space unit.
4. The natural ventilation system of underground stereo garage according to claim 3, wherein said vehicle-carrying rotary table can be lifted up and down and can be parked on the ground or any one layer of parking space structure.
5. The natural ventilation system for underground three-dimensional parking garage according to any one of claims 1 to 4, wherein the top natural ventilation opening and the inside natural ventilation opening of the ground parking house are respectively provided with an electric sealing valve.
CN201510225384.1A 2015-05-04 2015-05-04 Natural ventilation system of underground stereo garage Active CN104847148B (en)

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105201256B (en) * 2015-10-16 2018-08-24 上海市政工程设计研究总院(集团)有限公司 Underground stereo garage parking ventilation and exhaust device

Citations (3)

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Publication number Priority date Publication date Assignee Title
CN1289878A (en) * 2000-09-20 2001-04-04 岳阳市人民防空办公室 Substructure with directional natural ventilation
CN1563646A (en) * 2004-04-10 2005-01-12 杨崇恩 Intelligent type star distributed underground stereo car bay
CN101270592A (en) * 2007-03-21 2008-09-24 李永平 Method for solar storied house being cool in summer and warm in winter

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DE3014081A1 (en) * 1980-04-12 1981-10-15 Kabag Karlsruher Baumaschinen Gmbh, 7500 Karlsruhe Multilevel radiating pallet car park - has pallets delivered to empty positions, released and locked on new level
CN2364142Y (en) * 1999-02-10 2000-02-16 夏健鸣 Polygonal multistorey garage
CN201740153U (en) * 2010-05-28 2011-02-09 广东省建筑科学研究院 Ventilation system for buildings
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CN204645768U (en) * 2015-05-04 2015-09-16 上海市政工程设计研究总院(集团)有限公司 Underground stereo garage parking natural ventilation equipment

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1289878A (en) * 2000-09-20 2001-04-04 岳阳市人民防空办公室 Substructure with directional natural ventilation
CN1563646A (en) * 2004-04-10 2005-01-12 杨崇恩 Intelligent type star distributed underground stereo car bay
CN101270592A (en) * 2007-03-21 2008-09-24 李永平 Method for solar storied house being cool in summer and warm in winter

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