Air-duct-free upper heat extraction structure of middle row from two sides of rail-mounted area of subway station
By adopting a heat-free heat-exhaust structure in the rail area of the subway station and using air supply and exhaust devices to form one-way flow ventilation, the problems of uneven wind speed and complex construction in traditional heat-exhaust systems are solved, and civil construction costs and construction are reduced Time ensures the normal elimination of train heat dissipation.
Patent Information
- Application Number
- CN202420196183.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-26
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2034-01-26
AI Technical Summary
The traditional subway station rail area heat discharge system has problems of uneven wind speed, complex construction and high cost, which affects the normal operation of the train condenser.
The heat-free air duct discharge structure is adopted for the middle row on both sides of the subway station rail area, including the air supply device on the outbound side, the middle of the rail area and the inbound side, as well as the narrow fluid passage above the train enters the station, and the traditional metal is abolished Or build a civil heat exhaust duct, and use air supply and exhaust devices to form a one-way ventilation to remove heat.
It effectively reduces the construction cycle and civil engineering costs, solves the problem of uneven wind speed, and ensures the normal elimination of train heat dissipation.
Smart Images
Figure CN222228597U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of heat removal from a track area of a subway station, in particular to a heat removal structure without air ducts for middle rows of heat from both sides of a track area of a subway station. Background Art
[0002] At present, the track area of domestic urban rail transit subway stations is equipped with a track area heat removal system, that is, a metal or civil heat removal air duct is set on the track top and under the platform plate in the station tunnel to ensure the normal operation of the on-board condenser when the train stops and to eliminate the heat dissipation caused by train braking.
[0003] The traditional heat removal system in the track area still has the problem of uneven heat removal wind speed at each vent, which cannot effectively remove the heat between the track areas and may affect the normal operation of the train's onboard condenser. At the same time, traditional metal or civil heat removal ducts are generally not cast at the same time as the main body of the station, which has problems such as long construction period, complex construction, and high civil engineering costs. Therefore, a ductless upper heat removal structure with middle rows on both sides of the subway station track area is proposed, which can effectively remove the heat dissipation between the subway station track areas and reduce the construction period and civil engineering costs. Summary of the invention
[0004] In view of the above defects or improvement needs of the existing heat removal system in the track area of a subway station, the utility model proposes a ductless upper heat removal structure for sending heat to the middle row on both sides of the track area of a subway station.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A heat exhaust structure without air ducts on both sides of the track area of a subway station, comprising an air supply device on the exit side, an exhaust device in the middle of the track area, an air supply device on the entrance side, and a narrow fluid channel above the train after the train enters the station;
[0007] The outlet air supply device comprises an outlet air supply shaft, an outlet air supply fan, and an outlet air supply turning and guiding device. The outlet air supply shaft is connected to the air inlet of the outlet air supply fan through an outlet air supply pipe, and the air outlet of the outlet air supply fan is connected to the outlet air supply turning and guiding device through an outlet air supply duct. The air enters the outlet air supply fan from the outlet air supply shaft through the outlet air supply duct, and then is delivered to the track area through the outlet air supply duct and the outlet air supply turning and guiding device.
[0008] The exhaust device in the middle of the track area includes an exhaust shaft, an exhaust fan, and an exhaust port of the civil engineering in the middle of the track area. The exhaust port of the civil engineering in the middle of the track area is connected to the air inlet of the exhaust fan through an exhaust pipe, and the air outlet of the exhaust fan is connected to the exhaust shaft through an exhaust duct. The exhaust air is sent to the exhaust fan through the exhaust port of the civil engineering in the middle of the track area and the exhaust duct, and then discharged to the exhaust shaft through the exhaust duct.
[0009] The inlet side air supply device comprises an inlet side air supply shaft, an inlet side air supply fan, and an inlet side air supply turning and guiding device. The inlet side air supply shaft is connected to the air inlet of the inlet side air supply fan through an inlet side air supply pipe, and the air outlet of the inlet side air supply fan is connected to the inlet side air supply turning and guiding device through an inlet side air supply duct. The air enters the inlet side air supply fan from the inlet side air supply shaft through the inlet side air supply duct, and then is delivered to the track area through the inlet side air supply duct and the inlet side air supply turning and guiding device.
[0010] After the train enters the station, the narrow fluid channel above the track area is composed of the parked train and the wall of the track area, so that the track area forms a one-way flow ventilation, and then the heat is discharged from the civil exhaust vents of the track area.
[0011] Furthermore, the utility model eliminates the traditional metal or civil heat exhaust duct in the track area of the subway station.
[0012] Furthermore, the diversion direction of the air supply and guide device on the exit side is opposite to the direction of travel of the train, and the diversion direction of the air supply and guide device on the entrance side is the same as the direction of travel of the train.
[0013] Furthermore, silencers are respectively provided between the outlet side air supply shaft and the outlet side air supply fan, between the outlet side air supply fan and the outlet side air supply guide device, between the exhaust shaft and the exhaust fan, between the exhaust fan and the civil exhaust outlet in the middle of the track area, between the inlet side air supply shaft and the inlet side air supply fan, and between the inlet side air supply fan and the inlet side air supply guide device.
[0014] Furthermore, the outlet-side air supply duct, the exhaust duct and the inlet-side air supply duct are respectively provided with electric regulating valves.
[0015] Compared with the prior art, the heat dissipation structure conceived by the utility model has the following beneficial effects:
[0016] 1. The utility model adopts the ductless heat exhaust structure for the middle row of heat exhaust from both sides of the subway station track area, which eliminates the traditional metal or civil heat exhaust duct in the subway station track area, and reduces the civil construction time and cost compared with the traditional scheme;
[0017] 2. The utility model provides a heat removal structure without ducts on the middle rows on both sides of the track area of the subway station, which can effectively remove the heat from the track area when the train stops at the station, and solve the problem of uneven wind speed at each air outlet of the original civil duct. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] The present invention is further described in detail below with reference to the accompanying drawings and specific implementations:
[0019] Figure 1 It is a structural schematic diagram of the utility model. Implementation
[0020] like Figure 1 As shown, the utility model is a ductless upper heat removal structure for the middle row of air supply on both sides of the track area of a subway station, including an exit side air supply device, a middle track area exhaust device, an entrance side air supply device and a narrow fluid channel above the train after entering the station.
[0021] The exit side air supply device includes an exit side air supply shaft 1, an exit side air supply fan 2, and an exit side air supply turning and guiding device 3. The exit side air supply shaft 1 is connected to the air inlet of the exit side air supply fan 2 through an exit side air supply pipe 12, and the air outlet of the exit side air supply fan 2 is connected to the exit side air supply turning and guiding device 3 through an exit side air supply duct 15. The air enters the exit side air supply fan 2 from the exit side air supply shaft 1 through the exit side air supply pipe 12, and is then sent to the track area through the exit side air supply duct 15 and the exit side air supply turning and guiding device 3. The guiding direction of the exit side air supply guiding device 3 is opposite to the direction of travel of the train.
[0022] The exhaust device in the middle of the track area includes an exhaust shaft 4, an exhaust fan 5, and an exhaust port 6 for civil engineering in the middle of the track area. The exhaust port 6 for civil engineering in the middle of the track area is connected to the air inlet of the exhaust fan 5 through an exhaust pipe 20, and the air outlet of the exhaust fan 5 is connected to the exhaust shaft 4 through an exhaust duct 17. The exhaust air is delivered to the exhaust fan 5 through the exhaust port 6 for civil engineering in the middle of the track area and the exhaust pipe 20, and then discharged to the exhaust shaft 4 through the exhaust duct 17.
[0023] The air supply device on the station side includes an air supply shaft on the station side, an air supply fan on the station side, and an air supply turning and guiding device on the station side. The air supply shaft on the station side is connected to the air inlet of the air supply fan 8 on the station side through the air supply pipe on the station side 22, and the air outlet of the air supply fan 7 on the station side is connected to the air supply turning and guiding device 9 on the station side through the air supply duct on the station side 25. The air enters the air supply fan 8 on the station side from the air supply shaft on the station side through the air supply pipe on the station side 12, and is then sent to the track area through the air supply duct on the station side 25 and the air supply turning and guiding device 9 on the station side. The guiding direction of the air supply guiding device 9 on the station side is the same as the traveling direction of the train.
[0024] After the train enters the station, the narrow fluid channel 10 above the track area is composed of the parked train and the wall of the track area, so that the track area forms a one-way flow ventilation, and then the heat is discharged from the civil construction exhaust vents 6 of the track area.
[0025] Mufflers 11, 14, 16, 19, 21, and 24 are respectively arranged between the exit-side air supply shaft 1 and the exit-side air supply fan 2, between the exit-side air supply fan 2 and the exit-side air supply guide device 3, between the exhaust shaft 4 and the exhaust fan 5, between the exhaust fan 5 and the civil exhaust port 6 in the middle of the track area, between the entry-side air supply shaft 7 and the entry-side air supply fan 8, and between the entry-side air supply fan 8 and the entry-side air supply guide device 9. By arranging the muffler, the noise generated by the heat exhaust structure can be weakened, thereby achieving the purpose of noise reduction.
[0026] Electric regulating valves 13, 18, 23 are respectively provided on the outlet-side air supply duct 12, the exhaust duct 17 and the inlet-side air supply duct 22 for adjusting the air volume.
[0027] After the train enters the station, under the joint action of the air supply device on the exit side and the air supply device on the entrance side, the heat dissipated by the train condenser is sent to the civil engineering exhaust vent 6 in the middle of the track area in the narrow fluid channel above the train, and then discharged through the exhaust device in the middle of the track area.
[0028] The utility model discloses a ductless heat exhaust structure for the middle row of heat exhaust from both sides of the track area of a subway station, which eliminates the traditional metal or civil track top heat exhaust ducts in the track area of the subway station, thereby reducing the civil construction time; in addition, the ventilation method adopted by the utility model can effectively eliminate the heat dissipation between the track areas of the subway station.
[0029] The above describes the specific implementation of the present invention, but those skilled in the art should understand that this is only an example. Those skilled in the art can make various changes or modifications to this implementation without departing from the principle and essence of the present invention, but these changes and modifications are all within the scope of protection of the present invention.
Claims
1. A heat removal structure without air ducts for the middle row of heat supply on both sides of the track area of a subway station, characterized by: It includes the air supply device on the exit side, the exhaust device in the middle of the track area, the air supply device on the entrance side and the narrow fluid channel above the train after it enters the station; The outlet air supply device comprises an outlet air supply shaft, an outlet air supply fan, and an outlet air supply turning and guiding device. The outlet air supply shaft is connected to the air inlet of the outlet air supply fan through an outlet air supply pipe, and the air outlet of the outlet air supply fan is connected to the outlet air supply turning and guiding device through an outlet air supply duct. The air enters the outlet air supply fan from the outlet air supply shaft through the outlet air supply duct, and then is delivered to the track area through the outlet air supply duct and the outlet air supply turning and guiding device. The exhaust device in the middle of the track area includes an exhaust shaft, an exhaust fan, and an exhaust port of the civil engineering in the middle of the track area. The exhaust port of the civil engineering in the middle of the track area is connected to the air inlet of the exhaust fan through an exhaust pipe, and the air outlet of the exhaust fan is connected to the exhaust shaft through an exhaust duct. The exhaust air is sent to the exhaust fan through the exhaust port of the civil engineering in the middle of the track area and the exhaust duct, and then discharged to the exhaust shaft through the exhaust duct. The inlet side air supply device comprises an inlet side air supply shaft, an inlet side air supply fan, and an inlet side air supply turning and guiding device. The inlet side air supply shaft is connected to the air inlet of the inlet side air supply fan through an inlet side air supply pipe, and the air outlet of the inlet side air supply fan is connected to the inlet side air supply turning and guiding device through an inlet side air supply duct. The air enters the inlet side air supply fan from the inlet side air supply shaft through the inlet side air supply duct, and then is delivered to the track area through the inlet side air supply duct and the inlet side air supply turning and guiding device. After the train enters the station, the narrow fluid channel above the track area is composed of the parked train and the wall of the track area, so that the track area forms a one-way flow ventilation, and then the heat is discharged from the civil exhaust vents of the track area.
2. According to claim 1, a heat removal structure without air ducts on both sides of the track area of a subway station for delivering heat to the middle row, characterized in that: It eliminates the traditional metal or civil heat exhaust ducts in the track area of the subway station.
3. According to claim 1, a heat removal structure without air ducts on both sides of the track area of a subway station for delivering heat to the middle row, characterized in that: The diversion direction of the air supply turning guide device on the exit side is opposite to the direction of travel of the train, and the diversion direction of the air supply guide device on the entrance side is the same as the direction of travel of the train.
4. According to claim 1, a heat removal structure without air ducts for the middle row of heat delivery on both sides of the track area of a subway station, characterized in that: Mufflers are respectively provided between the outlet side air supply shaft and the outlet side air supply fan, between the outlet side air supply fan and the outlet side air supply guide device, between the exhaust shaft and the exhaust fan, between the exhaust fan and the civil exhaust outlet in the middle of the track area, between the inlet side air supply shaft and the inlet side air supply fan, and between the inlet side air supply fan and the inlet side air supply guide device.
5. According to claim 1, a heat removal structure without air ducts on both sides of the track area of a subway station for delivering heat to the middle row, characterized in that: The outlet-side air supply duct, the exhaust duct and the inlet-side air supply duct are respectively provided with electric regulating valves.