WO2010021425A1

WO2010021425A1 - Air cleaning system using subway wind and method for controlling the air cleaning system

Info

Publication number: WO2010021425A1
Application number: PCT/KR2008/005755
Authority: WO
Inventors: Jo-Chun Kim
Original assignee: Konkuk University Industrial Cooperation Corp
Priority date: 2008-08-18
Filing date: 2008-09-30
Publication date: 2010-02-25

Abstract

Disclosed is an air cleaning system using a subway wind comprising a partition arranged in a subway passage section and a stationary structure section, a subway wind amplification component for amplifying the subway wind, a flow path guide fan for guiding the subway wind toward an air ventilation opening, and a door arranged on the exit of the train travel passage in the stationary structure section. According to the present invention, a method for controlling the air cleaning system using the subway wind comprises monitoring a train movement in the subway passage section, operating the flow path guide and the complementary fan during traveling of a train, operating the absorption fan as soon as the train enters into the stationary structure section. According to the air cleaning system and a method of controlling the air cleaning system of the present invention, the subway wind is used when cleaning the air through the partition and the subway amplification component to clean efficiently air, and further keeps the air quality constant inside the stationary structure section by the door and the screen door.

Description

AIR CLEANING SYSTEM USING SUBWAY WIND AND METHOD FOR CONTROLLING THE AIR CLEANING SYSTEM

Technical Field

[1] The present invention relates to an air cleaning system, and more particularly, to an air cleaning system using a subway wind induced inside a subway passage section and a method for controlling the air cleaning system.

[2]

Background Art

[3] Generally, a subway consisted mainly of railroads and stationary structures has been constructed under the ground for transporting passengers and freights, which has been popular among peoples as mass transportation means in a metro city since its rapid, accurate and safe transportation operation.

[4] However, regardless of the above advantages, there have arisen many problems, which are caused from dust, noise and vibration, etc. created in a relation to a subway transportation service. In particular, there are various kinds of hazardous pollutants in the dusted-air such as sulfurous acid gas, carbon monoxide, nitrogen dioxide, carbon dioxide, formaldehyde, volatile organic compound (VOC) and lead, which act typically as a pollution source.

[5] Accordingly, a need exists for installing a separate air circulation system in order to fresh the air inside the subway passage section; however, the air circulation in the separate system is actually interrupted by the subway wind. Here, the subway wind refers to air current induced from a train passing through the narrow subway passage section.

[6] Meanwhile, Seoul Metro Corporation and Seoul Metropolitan Rapid Transit Corporation, which manage current subway transportation system in Seoul, have a plan to install screen doors for all of the subway station structures until the end of 2010 in order to improve air quality therein and insure passenger's safety.

[7] The screen door has an effect of isolating firstly fine dusts from a platform, which are produced when a train enters into. Therefore, a concentration of fine dusts inside the subway passage section becomes much higher prior to installing the screen door.

[8] In general, the fine dusts produced in the subway passage section are originated from

(1) an iron abrasion caused from a friction between a rail and a wheel, (2) a brake abrasion, and (3) a metal vaporization by a sparking.

[9] Meanwhile, a ventilation opening is provided on the lower parts of the subway passage section and the platform in order to reduce the fine dusts in the subway passage section. Particularly, a natural ventilation opening, which is implemented by arranging a rectangle hole over the subway passage section and intends basically to dissipate outside the heat created around the railway, is provided on the subway passage section and further a compulsory ventilation opening such as air blower is provided on the lower part of the platform.

[10]

Disclosure of Invention Technical Problem

[11] However, in case of the natural ventilation opening provided on the subway passage section, the fine dusts within the subway wind are forced to move out through the ventilation opening with a predetermined positive pressure inside the subway passage section, which is induced when a train passes through. However, this positive pressure is not enough to ventilate out completely the fine dusts so that there arises a problem in that the fine dusts which have been ventilated outside the ventilation opening is drawn back inside the subway passage section with a negative pressure which is induced at a tail of the train after the train has passed though.

[12] This effect is resulted from offsetting the subway wind and thus energy loss thereof when two trains intersect, as shown in Fig. 1. Therefore, a need exists for preventing the energy loss of the subway wind such that the subway wind is ventilated out completely through the natural ventilation opening.

[13] Furthermore, the conventional ventilation opening is provided basically for dissipating heat and further is designed to intersect with a progress direction of the subway wind, which makes it difficult for the subway wind to be ventilated through the ventilation opening. Meanwhile, the subway wind not being ventilated through the ventilation opening, the pollution value of which increases, is accompanied by the moving train, and enters into the stationary structure, causing air pollution therein.

[14] In addition, separate air cleaning systems are provided in the subway passage section and the stationary structure in order to avoid air pollution by the subway wind; however, the compulsory air ventilation using the air cleaning system needs tremendous cost in taking consideration of high fuel cost.

[15]

Technical Solution

[16] Embodiments of the present invention are directed to providing a an air cleaning system, and more particularly, to an air cleaning system using a subway wind induced inside a subway passage and a method for controlling the air cleaning system. Embodiments of the present invention are described below with reference to the accompanying drawings. This invention may, however, be embodied in many different forms and should not be construed as being limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure is thorough and complete, and conveys the inventive concept to those skilled in the art.

[17] In accordance with an aspect of the present invention, there is provided an air cleaning system using a subway wind comprising a partition for separating a first railway and a second railway in a subway passage section and a stationary structure section, a flow path guide fan for blowing the subway wind to be guided toward an air ventilation opening, which is installed on the subway passage section provided with the air ventilation opening, and a sliding door which is arranged on the exit of the train travel passage in the first railway and the second railway of the stationary structure section and shields selectively an exit of a train travel passage.

[18] The air cleaning system using a subway wind may include a subway wind amplification components for amplifying the subway wind, which are installed on each side wall of the first railway and the second railway, respectively, and arranged ahead the air ventilation opening when the trains passes through.

[19] The air cleaning system using a subway wind may include screen doors arranged on platforms of the first railway and the second railway, respectively, and an absorption fan for absorbing the subway wind and discharging outside.

[20] The subway wind amplification component may be rotated to be collapsed with a hinge part.

[21] The partition may be made with waste materials.

[22] The partition may include an air current guide component for guiding the subway wind toward the air ventilation opening.

[23] The air current guide component may be projected from a surface of the partition and slanted gradually toward the air ventilation opening.

[24] The flow path guide fans for blowing upward the subway wind may be installed on the lower ends of the side walls of the first rail way and the second railway of the subway passage section, respectively.

[25] A subway wind guide fan for moving the subway wind may be arranged on a ceiling of the subway passage section.

[26] A complementary fan for moving the subway wind may be provided in the air ventilation opening.

[27] A shield plate for shielding selectively the internal passage of the air ventilation opening may be provided in the air ventilation opening.

[28] The sliding door may be opened and closed in a sliding manner.

[29] The sliding door may include a guide rail provided on a ceiling of the stationary structure section, a door body movable along the guide rail, an opening and closing means for opening and closing the door body, and a driving part. [30] The door body may include a first door body and a second door body hinged to the first door body.

[31] The door body may include a roller which is seated on a guide groove formed inside the guide rail and slid along the guide groove.

[32] The sliding door may be a type of a balloon door.

[33] The balloon door may include a guide bar arranged on the ceiling of the stationary structure section, a balloon part movable along the guide bar, and an air pump for injecting air into and discharging air from the balloon part, which is connected to the balloon part through a connection tube.

[34] The balloon part may be formed as a bellows shape.

[35] The subway amplification component may include a sensor for sensing a train movement.

[36] The air cleaning system using a subway wind may further include a central control part for controlling the flow path guide fan, the subway wind guide fan, the door, the complementary fan, the shield plate, the absorption fan and the subway wind amplification component rotated with the hinge part.

[37] In accordance with another aspect of the present invention, there is provided a method of controlling the air cleaning system using a subway wind comprising monitoring whether the train passes through the subway passage section provided with the air ventilation opening, operating the flow path guide fan during the passing through of the train, sensing whether the train which passed through the subway passage section enters into the stationary structure section, operating the absorption fan as soon as the train enters into the stationary structure section, and operating the sliding door only when the train departs from the stationary structure section.

[38] The operating of the flow path guide fan may include operating the subway wind amplification component installed in the subway passage section when the train passes therethrough, and stopping the flow path guide fan after the train passes out.

[39] The operating of the flow path guide fan may include operating the complementary fan provided inside the air ventilation opening.

[40] The operating of the flow path guide fan may includes operating a subway wind guide fan.

[41] The operating of the flow path guide fan includes opening a shield plate provided in the air ventilation opening of the subway passage section through which the train passes and closing the shield plate provided in the air ventilation opening placed rearward of the subway passage section through which the train has passed.

[42] The stopping of the flow guide fan includes closing the shield plate provided in the air ventilation opening of the subway passage section through which the train passes, and opening the shield plate provided in the air ventilation opening placed rearward of the subway passage section through which the train has passed [43]

Brief Description of Drawings

[44] The following drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principle of the invention. In the drawings: [45] Fig. 1 is a perspective view illustrating a subway wind offset when two subway trains are travelling in a typical subway passage section; [46] Fig. 2 is a perspective view illustrating a preferred embodiment of an air cleaning system using a subway wind according to the present invention; [47] Figs. 3 and 4 are views illustrating configurations of the air cleaning system using the subway wind in the subway passage section according to the present invention; [48] Fig. 5 is a plain view illustrating an operation state of a subway wind amplification component of the air cleaning system using the subway wind in the subway passage section according to the present invention; [49] Fig. 6 is a cross-sectional view illustrating another embodiment of a flow guide fan of the air cleaning system using the subway wind in the subway passage section according to the present invention; [50] Figs. 9 and 10 are cross-sectional views illustrating air cleaning procedures performed through another way of the air cleaning system using the subway wind in the subway passage section according to the present invention; [51] Figs. 11 and 12 are perspective views illustrating the configurations of the air cleaning system using the subway wind in the subway passage section according to the present invention; [52] Fig. 13 is a perspective view illustrating an internal configuration of the air cleaning system using the subway wind in the subway passage section according to the present invention; [53] Fig. 14 is a top view illustrating a configuration of a sliding door in the air cleaning system using the subway wind in the subway passage section according to the present invention; [54] Figs. 15 and 16 are views illustrating operation procedures of the sliding door in the air cleaning system using the subway wind in the subway passage section according to the present invention; [55] Fig. 17 is a top view illustrating a configuration of a balloon door of the air cleaning system using the subway wind in the subway passage section according to the present invention; [56] Figs. 18 and 19 are plain views illustrating procedures of the balloon door the air cleaning system using the subway wind in the subway passage section according to the present invention; and

[57] Figs. 20 and 21 are views illustrating simulation results of the subway wind before and after applying the air cleaning system using the subway wind in the subway passage section according to the present invention.

[58] * Description of primary constituent elements shown in the drawings

[59] 15: partition 17: subway wind amplification component

[60] 18: sensor 21: flow path guide fan

[61] 23: a subway wind guide fan 25: complementary fan

[62] 40: door 41: guide rail

[63] 45 : roller 47 : door body

[64] 49: transparent window 51: opening and closing means

[65] 53: driving part 61: guide bar

[66] 63: balloon part 67: air pump

[67] 70: absorption fan 71: flow tube

[68]

Best Mode for Carrying out the Invention

[69] Other objects and advantages of the present invention can be understood by the following description, and become apparent with reference to the embodiments of the present invention. Like reference numerals refer to like elements throughout.

[70] Figs. 2 to 19 illustrate preferred embodiments for the air cleaning system using the subway wind and method for controlling the air cleaning system according to the present invention.

[71] A train travel path may be classified as a subway passage section 10 and a stationary structure section 30. The subway passage section 10 refers to a train travel distance between the stationary structures, and the stationary structure section 30 refers to a place at which the train stops and passengers ride on/off the train.

[72] The conventional subway passage section 10 includes a first railway and a second railway based on a supporting column 11 as a boundary, which is installed on a middle region thereof. In addition, a plurality of air ventilation openings 13 are provided on the top surface of the subway passage section 10, each of which is configured to be communicated with the ground such that the heat inside the subway passage section dissipates outside the ground and air circulates therethrough. Here, the air ventilation opening 13 is configured such that it is straightened upward from a ceiling of the subway passage section 10, curved horizontally on the middle thereof and then straightened upward twice to be connected to the ground. [73] A partition 15 is provided alternatively between the supporting columns 11 which are arranged on the middle of the subway passage section 10. The partition 15 is formed as a wall and acts to isolate separately the first railway and the second railway for avoiding the offset effect of the subway wind created by the moving train.

[74] The partition 15 may be made with waste concrete and waste material from a construction site to save cost. Meanwhile, the partition 15 need not shield completely a space between the supporting columns 11 and may be arranged in a space enough for the subway wind not to be passed therethrough.

[75] Furthermore, an air current guide component 16 for guiding the subway wind toward the air ventilation opening 13 is further provided on the partition 15, the supporting column 11, or on the inner wall surface of the subway passage section. The air current guide component 16 is formed protrudingly from the partition 15, the supporting column 11, or the inner wall surface of the subway passage section and further may be slanted upward to the air ventilation opening 13 in a straight line or curved line, as shown in Fig. 6.

[76] That is, the lower part of the straight line or curved line, which is formed by the air current guide component 16, is projected from the partition 15, the supporting column 11 or the inner wall surface of the subway passage section. Therefore, the subway wind flows along the air current guide component 16 and then moves upward gradually to be guided to the air ventilation opening 13.

[77] Furthermore, a subway wind amplification component 17 for amplifying the subway wind may be provided adjacently a region where the air ventilation opening 13 is installed in the subway passage section 10. Here, the subway wind amplification component 17 may formed as a column, likewise the supporting column 11.

[78] Meanwhile, the subway wind amplification component 17 may be installed on the front side of the air ventilation opening 13 based on a progress direction of the train so that a moving train can pass through the subway wind amplification component 17 earlier than the air ventilation opening 13. Additionally, a plurality of the subway wind amplification components 17 may be installed on each of the front sides of the plurality of the air ventilation opening 13, respectively.

[79] Here, the subway wind amplification component 17 acts to narrow the space between the train and the side surface of the subway passage section 10 to amplify the subway wind. Therefore, when the train passes through the subway amplification component 17, a so-called piston effect is produced, through which a speed of the subway wind increases due to the narrowed space between the train and the side surface of the subway passage section 10. Additionally, when the speed of the subway wind is increased by the subway wind amplification component, the subway wind can be ventilated out efficiently through the air ventilation opening 13. [80] Meanwhile, the subway wind amplification component 17 may be configured to be rotated based on a hinge part 19, as shown in Fig. 5. Since the subway wind amplification component 17 may be rotated based on the hinge part 19 and to be collapsed, a movement path for passengers is ensured in case of a emergency state such as a fire in the subway passage section, and further a train for cleaning the inside of the subway passage section is not interrupted to move.

[81] Additionally, a sensor 18 for sensing a train movement may further provided on the subway wind amplification component 17. Here, the sensor such as an infrared sensor, etc. may monitor a movement of the train and transmit to a central control part which will described below.

[82] Furthermore, a flow path guide fan 21 may be provided on the subway passage section 10 where the air ventilation opening 13 is installed. The flow path guide fan 21 may be installed on both side walls of the subway passage section 10 where the air ventilation opening 13 is installed, or on the supporting column 11. In addition, the flow guide fan 21 may be provided to be buried under the floor of the subway passage section in a state of ventilating air current to the inside of the subway passage section.

[83] The flow path guide fan 21 blows the subway wind to be guided into the air ventilation opening 13. For this purpose, the flow path guide fan 21 may be installed to ventilate the subway wind upward to be guided to the air ventilation opening 13. That is, the flow path guide fan 21 ventilates upward the subway wind so that the flow path thereof is guided to a direction of an input port of the air ventilation opening 13, as shown in Fig. 7. Accordingly, the subway wind is discharged efficiently through the air ventilation opening 13 with a help of the flow path guide fan 21.

[84] Alternatively, the flow path guide fan 21 may be provided on a ceiling of the subway passage section 10, as shown in Fig. 6. In this case where the flow path guide fan 21 is mounted on the ceiling of the subway passage section 10, the ventilation of the subway wind is performed downward indicated by dotted lines in Fig. 6, and the subway wind together with the air current ventilated downward in an offset direction by the flow path guide fan 21 may be guided upward to the air ventilation opening 13.

[85] As shown in Figs. 7 and 8, a subway wind guide fan 23 may be provided on a ceiling of the subway passage section 10. Here, in case of the subway passage section 10 being relatively longer, the subway wind does not move efficiently, and thus the subway wind guide fan 23 is provided on the middle of the subway passage section 10 to increase a flow speed of the subway wind for ventilating efficiently the subway wind through the air ventilation opening 13.

[86] Additionally, a complementary fan 25 may be provided inside the air ventilation opening 13, which supports the subway wind to be moved efficiently through the air ventilation opening 13. Since the air ventilation opening 13 is curved in the middle thereof for a safety reason as aforementioned, the subway wind may collide with the inner side of the air ventilation opening 13 to interrupt the discharge outward. Accordingly, the complementary fan 25 may be provided on the middle part of the air ventilation opening 13 and thus the subway wind can be discharged efficiently through the air ventilation opening 13 with a help of the complementary fan 25.

[87] Additionally, as shown in Figs. 9 and 10, a shielding plate 27 for shielding selectively input/output of air may be provided on a middle end of the curved part of the air ventilation opening 13. The shielding plate 27 is adapted to rotate around the hinge part for shielding selectively an internal passage of the air ventilation opening 13 by a control of the central control part. Here, the shielding plate 27 may act to adjust an amount of air upply/discharge based on a movement of a train, which will be described below.

[88] Meanwhile, the train passes through the subway passage section 10 and then enters into a stationary structure section 30. Here, the stationary structure section 30 typically includes the first railway and the second railway based on the supporting column 11 arranged on the middle of a train movement path, and a platform 31 for passengers to ride on/off the train is provided on one side of respective railway, as shown Fig. 12.

[89] Recently, screen doors for avoiding the passengers from being dropped downward are provided on the platform 31. Also, the screen doors 33 act to prevent the subway wind from being inputted into the platform 31.

[90] Partitions 15 may be provided between the supporting columns 11 of the stationary structure section 30. The partition 15 acts also to prevent the subway wind from being offset by the train movement. The air ventilation opening 13 may be also provided on a ceiling of the stationary structure section 30, through which the air inside the stationary structure section 30 can be supplied/discharged. Here, the air ventilation opening 13 provided on the stationary structure section 30 may be provided on a ceiling of the front end of a door 40, which will be described below, such that the subway wind produced with an entry of the train cab be discharged through the air ventilation opening. Additionally, the subway wind amplification component 17 may be provided on the stationary structure section 30.

[91] Alternatively, a door 40 may be provided on an exit in the stationary structure section, through which the train passes into the subway passage section 10. The door 40 acts to prevent the subway wind entering into the stationary structure section from being moved into the subway passage section 10.

[92] The door 40 is made of flexible synthetic resin so that the trains may not to be damaged during a collision with the door. The door 40 is adapted to be opened and closed in a sliding manner (hereinafter, referred to as "sliding door", and keeps to be closed until the train enters into the platform 31 and stops there, and then is opened when the train leaves from the platform 31.

[93] The sliding door 40 adapted to be opened and closed in the sliding manner is shown in Fig. 14. As shown in Fig. 14, a guide rail 41 may be provided on the ceiling of the stationary structure section on which the sliding door 40 is provided, along which the sliding door is moved.

[94] Here, a guide groove 43 is formed inside the guide rail 41 and a roller 45 is seated in the guide groove 43. The roller 45 is connected to a door body 47 so that the roller 45 is moved along the guide groove 43, causing the door body 47 to be moved along the guide rail 41. The door bodies 47 are provided on left and right sides, respectively, of the exit of the stationary structure section, and each includes a first door body 47a and a second door body 47b. The first and second door bodies 47a, 47b are connected with a hinge part to be collapsed.

[95] Furthermore, a transparent window 49 may be provided on the first door body 47a and further an opening and closing means 51 for opening and closing the door body 47 is connected to the second door body 47b. The opening and closing means 51 may be formed as a tube form and connected to the second door body 47b with a hinge part. Further, one end of the opening and closing means 51 is connected to the second door body 47b and the other end thereof is connected to a driving part 53 which is buried into a side wall of the stationary structure section 30 or the supporting column. The driving part 53 is adapted to pull or push the opening and closing means 51 using a driving means such as an oil pressure jack.

[96] Meanwhile, a magnetic part (not shown) is provided on a surface to which the first and second door bodies 47a, 47b are opposed each other and thus when the door body 47 is closed, the first and second door bodies 47a, 47b are shielded in an air-sealing manner.

[97] The sliding door 40, as shown in Fig. 17, may be configured as a balloon door 60.

The balloon door 60 refers to a door which can be opened and closed by injecting into or absorbing from a bellows air instantly.

[98] The balloon door 60 is provided on a guide bar 61 which is installed on the ceiling of the stationary structure section 30. A balloon part 63 formed in a bellows shape is connected to the guide bar 61. The balloon part 63 is made with a flexible material and thus can be inflated by absorbing air and deflated by discharging air. The balloon part 63 may be fixed and installed to both side walls of the stationary structure section 30.

[99] The balloon part 63 is connected to an air pump through a flow tube 71. The air pump 67 acts to inject instantly air into the balloon part 63 or absorb air inside the balloon part 63. Additionally, the balloon part 63 is adapted to be moved along the guide bar 61 installed on the ceiling of the subway passage section 10 and thus when air is injected into the balloon part 63, the guide bar 61 is inflated, and further when the air inside the balloon part 63 is discharged, the balloon part 63 is deflated. Accordingly, the balloon part 63 which is installed on both side walls of the subway passage section 30 is inflated and deflated to shield alternatively the exit of the stationary structure section.

[100] An absorption fan 70 for absorbing the subway wind produced by a train may be provided on the stationary structure section 30, as shown in Fig. 18 and 19. The absorption fan 70 may be provided on the internal side of the platform 31 and on a side of the partition 15 facing to the internal side of the platform 31, respectively.

[101] The absorption fan 70 is connected to the flow tube 71 which is installed on the internal or the bottom of the platform 31 and further the flow tube 71 is connected to the air ventilation opening 13 which is installed on the stationary structure section 30. Accordingly, the subway wind absorbed by the absorption fan 70 is moved along the flow tube 71 and transferred to the air ventilation opening 13 to be discharged outward.

[102] Hereinafter, an operation of air cleaning system using a subway wind and a method for controlling the same will be described in detail.

[103] The subway wind is produced when a train departs from the stationary structure section and moves into the subway passage section 10. At this time, since the partition 15 is arranged between the first railway and the second railway of the subway passage section 10, the subway wind is not to be offset through a crossing of two trains each traveling in an opposing direction.

[104] Furthermore, when the train passes through the subway wind amplification component 17 of the subway passage section 10, the subway wind produced by the train is amplified by a piston effect which is created when the train also passes through a narrow space between the train and the subway wind amplification component 17. Here, when the train has passed through the subway amplification component 17, the sensor 18 can monitor the train movement and notify to the central control part whether the train moves into.

[105] After that, the central control part allows the flow path fan 21 arranged on the rear of the subway wind amplification component 17 in a position of the train being passed through and the complementary fan 25 inside the air ventilation opening 13 to be driven. The flow path guide fan 21 guides the subway wind amplified by the subway amplification component 17 to the air ventilation opening 13, and the complementary fan 25 supports discharging efficiently outward the subway wind inputted into the air ventilation opening 13. Furthermore, the subway wind is guided to rise up along the supporting column 11, the partition 15 and the air current guide component 16 arranged on the internal wall surface toward the air ventilation opening 13.

[106] The central control part may drive the flow path guide fan 21 and the complementary fan 25 while the train passes through the air ventilation opening 13 after the central control part senses the movement of the train by the sensor 18. In addition, the central control part stops driving the flow path guide fan 21 and the complementary fan 25 when the train finishes passing through the air ventilation opening 13.

[107] At the moment the train passes out through the air ventilation opening 13, and the flow path guide fan 21 and the complementary fan 25 are stopped, the rear part of the train is to be a relatively vacuum state due to a movement of the subway wind and thus fresh air outside is inputted through the air ventilation opening 13.

[108] According to the aforementioned method, the central control part drives a plurality of the flow path guide fans 21 and the complementary fans 25 arranged on the subway passage section 10 to discharge outside continuously the subway wind and absorb fresh air to purify the air inside the subway passage section.

[109] Meanwhile, when the polluted air is discharged and external fresh air is inputted using only one air ventilation opening 13, there may arises a problem in that the discharged polluted air flows back through the air ventilation opening 13. Accordingly, in order to solve the above problem the air cleaning system according to the present invention is configured such that the separate shielding plate 27 is installed inside the air ventilation opening 13 to prevent the discharged polluted air from being flown back immediately.

[110] As shown in Figs. 9 and 10, the shielding plate 27 is closed in the air ventilation opening 13 when the train passed through, whereas the shielding plate 27 is kept opened in the air ventilation opening 13 and the flow path guide fan 21 and the complementary fan 25 are kept operated when the train will pass through,

[111] Through the above operation, the subway wind is discharged outside through the air ventilation opening 13 when the train is passing through the subway passage section provided with the air ventilation opening 13 in which the shielding plate 27 is opened. Furthermore, as soon as the train passes through the air ventilation opening 13, the opened shielding plate 27 is closed and then the shielding plate 27 of the air ventilation opening 13, which is displaced on the rearward of the train, is to be opened.

[112] When the shielding plate 27 of the air ventilation opening 13, which is displaced on the rearward side of the train, is opened, external fresh air is inputted through the opened air ventilation opening 13. That is, the shielding plates 27 of the air ventilation opening 13 through which the polluted air is discharged and the air ventilation opening 13 through which the fresh air is inputted are controlled by the central control part and thus the discharged polluted air is avoided from being inputted immediately.

[113] Meanwhile, the central control part allows the subway amplification component 17 to be rotated and collapsed on the side wall of the subway passage section during an emergency state or cleaning time by a washing train, and thus passenger movement during the emergency state or the cleaning of internal space of the subway passage section is not interrupted.

[114] Here, the subway wind produced by the train being passed through the subway passage section is inputted into the stationary structure section 30 together with the train. At this time, since partition 15 is installed between the first railway and the second railway of the stationary structure section 30, the subway wind is not offset by the trains being crossed.

[115] Additionally, when the train passes through the subway amplification component 17 of the stationary structure section 30, the subway wind produced by the train is amplified by a piston effect which is created when the train also passes through a narrow space between the train and the subway wind amplification component 17. Here, when the train has passed through the subway amplification component 17, the sensor 18 can monitor the train movement and notify to the central control part whether the train moves into.

[116] Additionally, when the central control part senses an entry of the train by the sensor provided in the subway wind amplification component 17, the central control part allows the absorption fan 70 which is provided in the stationary structure section to be operated. Since the partition 15 is installed between the first railway and the second railway in the stationary structure section, a screen door is provided on the platform 31, and the sliding door 40 is provided on the exit of the railway, the inside of the stationary structure section is a shielded-space except for a passage through the absorption fan 70 and thus the subway wind inputted into the stationary structure section is absorbed into the absorption fan 70 and discharged to the air ventilation opening 13 through the flow tube.

[117] When the subway wind is discharged sufficiently outside through the air ventilation opening 13, the central control part allows the screen door 33 to be opened and then passengers ride on or off the train. When the passengers finish riding on or off the train, the central control part allows the sliding door 40 to be opened and train to be entered into. In addition, when the train departs from the stationary structure section 30, the central control part allows the sliding door 40 to be closed to shield the subway passage section 10.

[118] The simulation effects of cleaning the subway wind produced inside the subway passage section through the air cleaning system using the subway wind according to the present invention are shown in Figs. 20 and 21. Referring to Figs. 20 and 21, as the speed of the subway wind increases, the indicated color brightens. Therefore, as shown in drawings, after the air cleaning system is installed, the color of the subway wind passed through the air ventilation opening 13 brightens more than before the air cleaning system according to the present invention is installed, which indicates the subway wind being discharged efficiently through the air ventilation opening 13. [119] According to the air cleaning system using the subway wind as aforementioned, the subway is not offset by the partition and is amplified by the subway wind amplification component to be discharged efficiently through the flow path guide fan to the air ventilation opening. During this procedure, the energy of the subway wind can be utilized to clean the air in the subway passage section, thereby saving energy.

[120] Additionally, the polluted air can be avoided being moved by the sliding door and the screen door installed in the stationary structure section, and the subway wind inputted into the stationary structure section can be discharged outside through the absorption fan, thereby keeping the air quality constant inside the stationary structure section, and cleaning the air without a separate air cleaning system.

[121] While the present invention has been described with respect to the specific embodiments, it will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the following claims.

Claims

[1] An air cleaning system using a subway wind comprising: a partition for separating a first railway and a second railway in a subway passage section and a stationary structure section; a flow path guide fan for blowing the subway wind to be guided toward an air ventilation opening, which is installed on the subway passage section provided with the air ventilation opening; and a sliding door which is arranged on the exit of the train travel passage in the first railway and the second railway of the stationary structure section and shields selectively an exit of a train travel passage.

[2] An air cleaning system using a subway wind according to claim 1, further including subway wind amplification components for amplifying the subway wind, which are installed on each side wall of the first railway and the second railway, respectively, and arranged ahead the air ventilation opening when the trains passes through.

[3] An air cleaning system using a subway wind according to claim 1, further including screen doors arranged on platforms of the first railway and the second railway, respectively, and a absorption fan for absorbing the subway wind and discharging outside.

[4] An air cleaning system using a subway wind according to claim 1, wherein the subway wind amplification component is rotated to be collapsed with a hinge part.

[5] An air cleaning system using a subway wind according to claim 1, wherein the partition is made with waste materials.

[6] An air cleaning system using a subway wind according to claim 1, wherein the partition includes an air current guide component for guiding the subway wind toward the air ventilation opening.

[7] An air cleaning system using a subway wind according to claim 6, wherein the air current guide component is projected from a surface of the partition and slanted gradually toward the air ventilation opening.

[8] An air cleaning system using a subway wind according to claim 1, wherein the flow path guide fans for blowing upward the subway wind are installed on the lower ends of the side walls of the first rail way and the second railway of the subway passage section, respectively.

[9] An air cleaning system using a subway wind according to claim 1, further including a subway wind guide fan for moving the subway wind, which is arranged on a ceiling of the subway passage section.

[10] An air cleaning system using a subway wind according to claim 1, wherein a complementary fan for moving the subway wind is provided in the air ventilation opening.

[11] An air cleaning system using a subway wind according to claim 1, wherein a shield plate for shielding selectively the internal passage of the air ventilation opening is provided in the air ventilation opening.

[12] An air cleaning system using a subway wind according to claim 1, wherein the sliding door is opened and closed in a sliding manner.

[13] An air cleaning system using a subway wind according to claim 12, wherein the sliding door includes a guide rail provided on a ceiling of the stationary structure section, a door body movable along the guide rail, an opening and closing means for opening and closing the door body, and a driving part.

[14] An air cleaning system using a subway wind according to claim 13, wherein the door body includes a first door body and a second door body hinged to the first door body.

[15] An air cleaning system using a subway wind according to claim 13, wherein the door body includes a roller which is seated on a guide groove formed inside the guide rail and slid along the guide groove.

[16] An air cleaning system using a subway wind according to claim 1, wherein the sliding door is a type of a balloon door.

[17] An air cleaning system using a subway wind according to claim 16, wherein the balloon door includes a guide bar arranged on the ceiling of the stationary structure section, a balloon part movable along the guide bar, and an air pump for injecting air into and discharging air from the balloon part, which is connected to the balloon part through a connection tube.

[18] An air cleaning system using a subway wind according to claim 17, wherein the balloon part is formed as a bellows shape.

[19] An air cleaning system using a subway wind according to claim 1, wherein the subway amplification component includes a sensor for sensing a train movement.

[20] An air cleaning system using a subway wind according to any one of claims 1 to

19, further including a central control part for controlling the flow path guide fan, the subway wind guide fan, the door, the complementary fan, the shield plate, the absorption fan and the subway wind amplification component rotated with the hinge part.

[21] A method of controlling the air cleaning system using a subway wind according to any one of claims 1 to 19, comprising: monitoring whether the train passes through the subway passage section provided with the air ventilation opening; operating the flow path guide fan during the passing through of the train; sensing whether the train which passed through the subway passage section enters into the stationary structure section; operating the absorption fan as soon as the train enters into the stationary structure section; and operating the sliding door only when the train departs from the stationary structure section.

[22] A method of controlling the air cleaning system using a subway wind according to claim 21, wherein the operating of the flow path guide fan includes operating the subway wind amplification component installed in the subway passage section when the train passes therethrough, and stopping the flow path guide fan after the train passes out.

[23] A method of controlling the air cleaning system using a subway wind according to claim 21, wherein the operating the flow path guide fan includes operating the complementary fan provided inside the air ventilation opening.

[24] A method of controlling the air cleaning system using a subway wind according to claim 21, wherein the operating of the flow path guide fan includes operating a subway wind guide fan.

[25] A method of controlling the air cleaning system using a subway wind according to claim 22, wherein the operating of the flow path guide fan includes opening a shield plate provided in the air ventilation opening of the subway passage section through which the train passes and closing the shield plate provided in the air ventilation opening placed rearward of the subway passage section through which the train has passed.

[26] A method of controlling the air cleaning system using a subway wind according to claim 22, wherein the stopping of the flow guide fan includes closing the shield plate provided in the air ventilation opening of the subway passage section through which the train passes, and opening the shield plate provided in the air ventilation opening placed rearward of the subway passage section through which the train has passed.