초록 ▼

Ventilation system (1) of a tunnel or covered road section (2), in which the tunnel (2) comprises at least a first tunnel tube or carriageway (11; 11, 12) with a first entrance (3; 3, 5) and a first exit (4; 4, 6) for traffic (T1; T1, T2) through the at least first tunnel tube (11), and the ventilat

Ventilation system (1) of a tunnel or covered road section (2), in which the tunnel (2) comprises at least a first tunnel tube or carriageway (11; 11, 12) with a first entrance (3; 3, 5) and a first exit (4; 4, 6) for traffic (T1; T1, T2) through the at least first tunnel tube (11), and the ventilation system (1) is equipped for: —the production of a blind flow or recirculation flow of air inside the at least first tunnel tube during use, and —the controlled discharge of air from the blind flow or recirculation flow at the entrance and/or exit of the at least first tunnel tube.

대표청구항 ▼

1. A traffic tunnel ventilation system comprising: a recirculation air flow system configured to be disposed within a traffic tunnel or a covered road section in which road traffic travels, the tunnel or covered road section having at least one tunnel tube with a first entrance and a first exit for

1. A traffic tunnel ventilation system comprising: a recirculation air flow system configured to be disposed within a traffic tunnel or a covered road section in which road traffic travels, the tunnel or covered road section having at least one tunnel tube with a first entrance and a first exit for the road traffic to pass through the at least one tunnel tube, the recirculation air flow system comprising a first air curtain at the first entrance,a second air curtain at the first exit,an entrained airflow from the first entrance to the first exit in the at least one tunnel tube in the direction of movement of the traffic, anda supply line flow from one or more of the tunnel tube and the first air curtain at the first entrance to the second air curtain at the first exit;air pumps to control flow through the recirculation air flow system such that air flows from the first air curtain through the at least at least one tunnel tube to the second air curtain and through the supply line to the second air curtain;at least one air filter for pollutants in a suction line of one of the air pumps filtering said pollutants from the recirculation air flow system;a control unit connected to each of the air pumps and controlling each of the air pumps; andone or more sensors that sense a concentration of pollutants through the tunnel and provide signals indicative of the sensed concentration of pollutants to the control unit,wherein the first air curtain and the second air curtain comprise an air flow transverse to a direction of movement of the traffic in the at least one tube tunnel to form a barrier against the air flow in the recirculation air flow system containing particles from leaving the at least one tube tunnel, andwherein the control unit controls the air pumps to control the strength of the second air curtain to controllably discharge at least a portion of the entrained air flow based on the sensed concentration of pollutants through the tunnel. 2. The traffic tunnel ventilation system according to claim 1, wherein the at least one tunnel tube includes a first tunnel tube having the first entrance and the first exit, and a second tunnel tube with a second entrance and a second exit, the ventilation system further comprises a first air pump;a second air pump;a third air pump;a fourth air pump;a first air curtain device;a second air curtain device;a third air curtain device; anda fourth air curtain device,the first air curtain device is disposed at the first entrance of the first tunnel tube in order to create a first air curtain or controlled air flow during use,the second air curtain device is disposed at the first exit of the first tunnel tube in order to create a second air curtain or controlled air flow during use,the third air curtain device is disposed at the second entrance of the second tunnel tube in order to create a third air curtain or controlled air flow during use,the fourth air curtain device is disposed at the second exit of the second tunnel tube in order to create a fourth air curtain or controlled air flow during use,the supply line is a second air curtain supply line of the second air curtain device, the first air pump being connected to the second air curtain supply line of the second air curtain device to supply air to the second air curtain device in order to maintain the second air curtain,the second air pump is connected to a discharge line of the second air curtain device and extracts air at the position of the discharge line of the second air curtain device and is connected to a third air curtain supply line of the third air curtain device by a first additional connection and supplies air to the third air curtain device in order to maintain the third air curtain,the third air pump is connected to a fourth air curtain supply line of the fourth air curtain device and supplies air to the fourth air curtain device in order to maintain the fourth air curtain,the fourth air pump is connected to a discharge line of the fourth air curtain device and extracts air at the position of the discharge line of the fourth air curtain device and is connected to a first air curtain supply line of the first air curtain device by a second additional connection and supplies air to the first air curtain device in order to maintain the first air curtain,the control unit controls at least the first air pump and the third air pump to control the strength of the second air curtain and the fourth air curtain to controllably discharge at least a portion of the entrained air flow in the first and second tunnel tubes of the tunnel. 3. The traffic tunnel ventilation system according to claim 2, wherein the control unit is connected to the one or more sensors in the tunnel, the one or more sensors measuring a measured variable related to traffic intensity, andthe control unit receives the signals from the one or more sensors, and establishes in relation to said signals a set air output of the air flow of the respective air pumps. 4. The traffic tunnel ventilation system according to claim 3, wherein the sensors measure signals related to the concentration of pollutants. 5. The traffic tunnel ventilation system according to claim 4, wherein the sensors are placed at least at either the first air curtain or the second air curtain, or inside the at least one tunnel tube. 6. The traffic tunnel ventilation system according to claim 2, further comprising a second filter for pollutants, which is accommodated in a suction line of the second air pump and filters the air taken in during use. 7. The traffic tunnel ventilation system according to claim 6, further comprising a third filter for pollutants, which is accommodated in a suction line of the third air pump and filters the air taken in during use. 8. The traffic tunnel ventilation system according to claim 2, further comprising a fifth air pump connected to the interior of the at least one tunnel tube by a supply line and a discharge line, a filter for pollutants being disposed in the supply line of the fifth air pump. 9. The traffic tunnel ventilation system according to claim 8, further comprising a control valve disposed in the supply line, the control valve controlling an air output by the fifth air pump. 10. The traffic tunnel ventilation system according to claim 2, wherein the at least one air filter filters pollutants selected from particulate and/or nitrogen oxide and/or carbon monoxide and/or hydrocarbons out of the air taken in. 11. The traffic tunnel ventilation system according to claim 1, further comprising: a first air pump; anda second air pump,wherein a first one of the air curtains comprises a first air curtain device, the first air curtain device creating a first air curtain or controlled air flow during use,a second one of the air curtains comprises a second air curtain device, the second air curtain device creating a second air curtain or controlled air flow during use,the first air pump is connected to a discharge line of the first air curtain device, extracts air at the position of the discharge line of the first air curtain device, and is connected to a second air curtain supply line of the second air curtain device by a first additional connection and supplies air to the second air curtain device,the second air pump is connected to a discharge line of the second air curtain device, extracts air at the position of the discharge line of the second air curtain device, and is connected to a first air curtain supply line of the first air curtain device by a second additional connection and supplies air to the first air curtain device, andthe ventilation system produces the air flow in the at least one tunnel tube from the entrained air flow by controlling an adjustable air output of the air flow of the air curtains created by the first and second air pumps, respectively. 12. The traffic tunnel ventilation system according to claim 11, further comprising: wherein the control unit is connected to the one or more sensors in the tunnel, the one or more sensors measuring a measured variable related to traffic intensity, andthe control unit receives signals from the one or more sensors, and establishes in relation to said signals a set air flow output of the respective air pumps. 13. The traffic tunnel ventilation system according to claim 12, wherein the control unit controls an outflow of air out of the tunnel as a function of the concentration of pollutants established by the sensors and/or traffic intensity established by the sensors. 14. The traffic tunnel ventilation system according to claim 13, wherein the control unit controls with a time delay. 15. The traffic tunnel ventilation system according to claim 1, wherein the traffic through the at least one tunnel tube facilitates the entrained air flow through the at least one tunnel tube between the first entrance and the first exit of the at least one tunnel tube. 16. A traffic tunnel with a ventilation system for control of an air flow in the tunnel or covered road section, the tunnel comprising: at least one tunnel tube with an entrance and an exit for traffic through the at least one tunnel tube; andthe system comprising a recirculation air flow system comprising a first air curtain at the entrance, a second air curtain at the exit, an entrained airflow from the entrance to the exit in the at least one tunnel tube in the direction of movement of the traffic, and a supply line from one or more of the tunnel tube and the first air curtain at the entrance to the second air curtain at the exit,air pumps to control flow through the recirculation air flow system such that air flows from the first air curtain through the at least one tunnel tube to the second air curtain and through the supply line to the second air curtain,at least one air filter for pollutants in a suction line of one of the air pumps filtering said pollutants from the recirculation air flow system,a control unit connected to each of the air pumps and controlling each of the air pumps, andone or more sensors that sense a concentration of pollutants through the tunnel and provide signals indicative of the sensed concentration of pollutants to the control unit,wherein the first air curtain and the second air curtain comprise an air flow transverse to a direction of movement of the traffic in the at least one tube tunnel to form a barrier against the air flow in the recirculation air flow system containing particles from leaving the at least one tube tunnel, andwherein the control unit controls the air pumps to control the strength of the second air curtain to controllably discharge at least a portion of the entrained air flow based on the sensed concentration of pollutants through the tunnel. 17. The traffic tunnel according to claim 16, wherein the entrained air flow through the at least one tunnel tube between the entrance and the exit of the at least one tunnel tube is facilitated by the traffic flow through the at least one tunnel tube, and an accumulation of pollutants is created by the entrained air flow from and/or by the traffic in the tunnel tube. 18. The traffic tunnel according to claim 16, wherein the at least one tunnel tube includes a first tunnel tube with the first entrance and the second entrance, and a second tunnel tube with a second entrance and a second exit, the ventilation system further comprises a first air pump;a second air pump;a third air pump;a fourth air pump;a first air curtain device;a second air curtain device;a third air curtain device; anda fourth air curtain device,the first air curtain device is disposed at the first entrance of the first tunnel tube in order to create a first air curtain or controlled air flow during use,the second air curtain device is disposed at the first exit of the first tunnel tube in order to create a second air curtain or controlled air flow during use,the third air curtain device is disposed at the second entrance of the second tunnel tube in order to create a third air curtain or controlled air flow during use,the fourth air curtain device is disposed at the second exit of the second tunnel tube in order to create a fourth air curtain or controlled air flow during use,the supply line is a second air curtain supply line of the second air curtain device, the first air pump being connected to the second air curtain supply line of the second air curtain device to supply air to the second air curtain device in order to maintain the second air curtain,the second air pump is connected to a discharge line of the second air curtain device and extracts air at the position of the discharge line of the second air curtain device and is connected to a supply line of the third air curtain device by a first additional connection and supplies air to the third air curtain device in order to maintain the third air curtain,the third air pump is connected to a third air curtain supply line of the fourth air curtain device and supplies air to the fourth air curtain device in order to maintain the fourth air curtain,the fourth air pump is connected to a discharge line of the fourth air curtain device and extracts air at the position of the discharge line of the fourth air curtain device and is connected to a first air curtain supply line of the first air curtain device by a second additional connection and supplies air to the first air curtain device in order to maintain the first air curtain, andthe control unit controls at least the first air pump and the third air pump control the strength of the second air curtain and the fourth air curtain to controllably discharge at least a portion of the entrained air flow in the first and second tunnel tubes of the tunnel. 19. A traffic tunnel ventilation method comprising: disposing a recirculation air flow system in at least one tunnel tube with ends including an entrance and an exit for traffic to pass through the at least one tunnel tube, the recirculation air flow system including a first air curtain at the entrance, a second air curtain at the exit, an entrained airflow from the entrance to the exit in the at least one tunnel tube in the direction of movement of the traffic, and a supply line flow from one or more of the tunnel tube and the first air curtain at the entrance to the second air curtain at the exit;controllably discharging air from the recirculation air flow system at at least one of the entrance and the exit of the at least one tunnel tube by a control unit connected to and controlling air pumps to control the strength of the second air curtain to controllably discharge at least a portion of the entrained air flow based on a sensed concentration of pollutants through the tunnel sensed by one or more sensors, the one or more sensors providing signals indicative of the sensed concentration of pollutants to the control unit;filtering pollutants from the air extracted from one end of the tunnel; andregulating the recirculation air flow system based on a sensed concentration of pollutants through the tunnel. 20. The traffic tunnel ventilation method according to claim 19, wherein the entrained air flow through the at least one tunnel tube is facilitated by the traffic flow through the at least one tunnel tube.