Device suitable for reducing floor height of double-layer underground parking garage
By using stacked exhaust pipes and exhaust machine rooms in the underground garage, the problem of increased floor height caused by equipment pipelines was solved, and the floor height of the double-story garage was reduced and the construction cost was reduced.
Patent Information
- Application Number
- CN202422855115.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-22
- Publication Date
- 2025-10-10
- Estimated Expiration
- 2034-11-22
AI Technical Summary
In the existing technology, the equipment pipelines in the underground garage lead to an increase in the floor height, especially the smoke exhaust pipelines, fire sprinkler pipelines and cable trays, which makes the minimum depth of the double-layer underground garage more than 8m, increasing the construction difficulty and cost.
The smoke exhaust pipes and smoke exhaust machine room are stacked, including an air collection chamber and a smoke exhaust shaft. The smoke exhaust pipe passes through the underground first-floor garage and connects to the roof of the underground second-floor garage. The smoke exhaust port is designed on the garage floor and roof to ensure the sealed transmission of smoke without occupying the internal space of the garage.
It effectively reduces the single-story height by 0.4 meters and the double-story garage height by 0.8 meters, reduces the crossing of equipment pipelines, optimizes the layout of other pipelines, and reduces construction difficulty and cost.
Smart Images

Figure CN223423709U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of architectural design, in particular to a device suitable for reducing the floor height of a double-layer underground parking garage. Background Art
[0002] Underground garages are an effective way to utilize underground space for parking, sometimes reaching two or more stories. They include parking spaces, driveways, equipment rooms, and pipelines. These are typically suspended beneath beams, with smoke exhaust pipes laid along a designed path, with exhaust vents covering the entire smoke-proof partition.
[0003] Current regulations require that underground garages have a minimum clear height of 2.2 meters for driveways. Each floor also requires a 0.4-meter clearance for smoke exhaust pipes, a 0.3-meter clearance for fire sprinkler pipes, a 0.2-meter clearance for cable trays, and a 0.7-meter clearance for structural beams and slabs. After comprehensive pipeline layout, a single-story height must generally be above 3.7 meters to meet the minimum clear height. A minimum of 0.5 meters of ground cover is generally required to meet greening requirements, and the minimum depth for a double-story underground garage is generally above 8 meters. The presence of equipment and pipelines contributes to the increased floor height. The deeper the underground garage, the more difficult it is to construct, and the higher the cost. Utility Model Content
[0004] The purpose of the utility model is to provide a device suitable for reducing the floor height of a double-layer underground parking garage, so as to solve the problems raised in the above-mentioned background technology.
[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a device for reducing the floor height of a double-layer underground parking garage, comprising:
[0006] The smoke exhaust machine room located in the underground garage and the smoke exhaust pipe located on the ground floor of the underground garage;
[0007] A smoke exhaust port is provided on the smoke exhaust pipe, part of the smoke exhaust pipe is connected to the smoke exhaust machine room, and a reserved hole for the smoke exhaust port is provided on the ground of the underground garage.
[0008] Preferably, both the underground first-floor garage and the underground second-floor garage are provided with smoke exhaust vents.
[0009] Preferably, part of the exhaust pipe passes through the underground first-floor garage and is connected to the top plate of the underground second-floor garage to form a exhaust port.
[0010] Preferably, the smoke exhaust pipe passing through the underground first-floor garage is a branch of the smoke exhaust pipe, and the branch is connected to the smoke exhaust pipe of the underground first-floor garage.
[0011] Preferably, the smoke exhaust pipe and the smoke exhaust room do not obstruct parking spaces and driveways.
[0012] Preferably, the smoke exhaust machine room comprises a gas collecting chamber and a smoke exhaust shaft arranged in the underground first floor garage.
[0013] Preferably, the smoke exhaust machine room comprises a gas collecting chamber and a smoke exhaust shaft arranged in the underground first floor garage.
[0014] Compared with the prior art, the device for reducing the layer height of the double-layer underground garage has the advantages that although a small number of parking spaces are reduced, the single-layer layer height can be effectively reduced by 0.4 m, the double-layer garage layer height can be reduced by 0.8 m, one line intersecting with other equipment pipelines of the garage is reduced, and the optimization arrangement of other pipelines is facilitated. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 FIG. 1 is a plane schematic view of an embodiment of the present application;
[0016] Figure 2 FIG. 2 is a sectional schematic view of an embodiment of the present application.
[0017] FIG. 1 is a plane schematic view of an embodiment of the present application;
[0018] 1, parking space 2, driveway 3, smoke exhaust pipe
[0019] 4, smoke exhaust machine room 41, gas collecting chamber 42, smoke exhaust shaft
[0020] 5, equipment pipeline 6, smoke exhaust port DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0022] As Figure 1As shown, the utility model provides a technical solution: a device suitable for reducing the floor height of a double-layer underground parking garage, comprising: a smoke exhaust machine room 4 located in the underground first-floor garage and a smoke exhaust pipe 3 located in the underground first-floor garage. The number of smoke exhaust pipes 3 is at least two, one of which is used to serve the underground first-floor garage, and the other is used to serve the underground second-floor garage. A smoke exhaust port 6 is provided on the smoke exhaust pipe 3, and the smoke exhaust port 6 is used to introduce the smoke in the garage into the smoke exhaust pipe 3. Some of the smoke exhaust ports 6 are connected to the smoke exhaust machine room 4, mainly used to connect the smoke exhaust machine room 4 and the smoke exhaust pipe 3, so as to achieve the effect of controlling exhaust. The garage is provided with a reserved hole for the smoke exhaust port 6, which is more convenient for installing the smoke exhaust pipe 3 during construction, and is also convenient for positioning the smoke exhaust port 6, thereby ensuring that the position where the smoke exhaust port 6 is set can exhaust all the smoke in the garage.
[0023] like Figure 2 As shown, both the underground first-floor garage and the underground second-floor garage are provided with a smoke exhaust outlet 6 to ensure that the smoke from the first and second underground garages can be completely exhausted without omission. The smoke exhaust pipe 3 stacked on the bottom floor passes through the underground first-floor garage and connects to the roof of the underground second-floor garage to open a smoke exhaust outlet 6. Since the smoke exhaust pipe 3 serving the first and second underground garages is stacked and arranged on the ground of the first garage, it is necessary to extend it from the ground of the underground first-floor garage into the top floor of the second garage through a branch pipe, and a smoke exhaust outlet 6 is opened. The branch pipe passing through the reserved hole on the ground of the underground first-floor garage is a branch of the smoke exhaust pipe 3, which is used to connect the smoke exhaust pipe 3 on the underground first-floor garage floor and the smoke exhaust outlet 6 on the top floor of the second garage to ensure a sealed connection. The smoke exhaust pipe 3 and the branch pipe stacked on the bottom floor to exhaust the smoke from the underground second-floor garage are closed with blocks and cover plates to prevent the smoke from the underground second-floor garage from leaking into the underground first-floor garage. The closed structure meets the fire resistance limit requirement of 2.0 hours. The smoke exhaust pipe 3 and the smoke exhaust machine room 4 do not hinder the parking space 1 and the driveway 2, ensuring smooth vehicle movement in the garage.
[0024] The smoke exhaust room 4 includes an air collecting chamber 41 and a smoke exhaust shaft 42 located in the underground garage on the first floor. The air collecting chamber 41 is connected to the smoke exhaust pipe 3 to optimize the use function and conversion measures of the ventilation opening. The garage is also equipped with equipment pipelines 5, which include smoke exhaust pipes 3, fire sprinkler pipelines and cable trays. The fire sprinkler pipelines and cable trays are laid under the beams and slabs, and the smoke exhaust pipes 3 are stacked on the ground of the underground garage on the first floor, and the equipment pipelines 5 are arranged above the smoke exhaust pipes 3.
[0025] As shown above, this embodiment is a device suitable for reducing the floor height of a double-story underground parking garage, including: a smoke exhaust machine room 4 located in the underground first-floor garage and a smoke exhaust pipe 3 located in the underground first-floor garage. A smoke exhaust port 6 is provided on the smoke exhaust pipe 3, and the smoke exhaust pipe 3 is connected to the smoke exhaust machine room 4. A reserved hole for the smoke exhaust port 6 is provided on the garage floor. Both the underground first-floor garage and the underground second-floor garage are provided with a smoke exhaust port 6. Part of the smoke exhaust pipe 3 passes through the underground first-floor garage and is connected to the top plate of the underground second-floor garage to provide a smoke exhaust port 6. The smoke exhaust pipe 3 passing through the underground first-floor garage is a branch pipe of the smoke exhaust pipe 3, and the branch is connected to the smoke exhaust pipe 3 on the underground first-floor garage. The smoke exhaust pipe 3 and the smoke exhaust machine room 4 do not hinder the parking space 1 and the driveway 2. The smoke exhaust machine room 4 includes an air collecting chamber 41 and a smoke exhaust shaft 42 located in the underground first-floor garage. The garage is also provided with an equipment pipeline 5, which is located at the top of the garage.
[0026] This device, suitable for reducing the floor height of a double-story underground parking garage, features stacked exhaust pipes 3 on the ground floor of the first underground garage. The top exhaust pipe 3 serves the first underground garage, and a smoke outlet 6 is located at the top of the exhaust pipe for exhausting smoke from the first garage. The second underground garage is connected to the second underground garage by the stacked exhaust pipe 3 at the bottom, which passes through the first underground garage and opens the smoke outlet 6 on the roof of the second underground garage. The exhaust pipe 3 passing through the ground floor of the first underground garage serves as a branch pipe of the exhaust pipe 3, connecting the exhaust pipe 3 on the first underground garage floor to the smoke outlet 6 on the roof of the second underground garage, ensuring a sealed connection. The exhaust pipe 3 serving the second underground garage, along with the branch pipe, is enclosed with blocks and a cover plate to prevent smoke from leaking from the second underground garage into the first underground garage. The enclosed structure meets the 2.0-hour fire resistance limit requirement. The exhaust pipe 3 and the smoke exhaust machine room 4 do not obstruct the parking spaces 1 and the driveway 2, ensuring smooth vehicle movement within the garage.
[0027] Since the two smoke exhaust pipes 3 are stacked on the ground of the underground garage and do not occupy the space on the top of the garage, the space for installing the smoke exhaust pipes 3 is reduced. Although a small number of parking spaces are reduced, the floor height of a single-story garage can be effectively reduced by 0.4 meters and the floor height of a double-story garage can be reduced by 0.8 meters. It also reduces one type of line that intersects with other equipment pipelines 5 in the garage, which is conducive to the optimized layout of other pipelines.
[0028] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A device for reducing the floor height of a double-deck underground parking garage, characterized in that: include: The smoke exhaust machine room located in the underground garage and the smoke exhaust pipe located in the underground garage; The smoke exhaust pipe is provided with a smoke exhaust port, part of the smoke exhaust port is connected to the smoke exhaust machine room, and a reserved hole for the smoke exhaust port is provided in the garage.
2. The device for reducing the floor height of a double-deck underground parking garage according to claim 1, characterized in that: Both the underground first-floor garage and the underground second-floor garage are equipped with smoke exhaust vents.
3. A device for reducing the floor height of a double-deck underground parking garage according to claim 1 or 2, characterized in that: Part of the exhaust pipes passes through the underground garage on the first floor and is connected to the top plate of the underground garage on the second floor to open a exhaust port.
4. The device for reducing the floor height of a double-deck underground parking garage according to claim 3, characterized in that: The smoke exhaust pipe passing through the underground garage on the first floor is a branch of the smoke exhaust pipe, and the branch is connected to the smoke exhaust pipe on the underground garage floor on the first floor.
5. The device for reducing the floor height of a double-deck underground parking garage according to claim 1 or 3, characterized in that: The smoke exhaust pipe and the smoke exhaust machine room do not obstruct parking spaces and driving lanes.
6. The device for reducing the floor height of a double-deck underground parking garage according to claim 1, characterized in that: The smoke exhaust room includes an air collecting chamber and a smoke exhaust shaft arranged in the underground garage on the first floor.
7. The device for reducing the floor height of a double-deck underground parking garage according to claim 1, characterized in that: The garage is also equipped with equipment pipelines, which are located on the top of the garage.