KR20080004908A - A lift and a lift/door control system - Google Patents

Abstract

A lifting apparatus for duct and a lift/door control system are provided to improve convenience by installing a lift inside duct for circulating air and by enabling a user to easily move inside the duct. A lifting apparatus for duct comprises a guide rail frame(101) installed on an upper surface of a support(103), a horizontal support fixed between a pair of guide rails at predetermined intervals, a wire rope wheel(122) attached to a shaft, a lift footing(113) equipped on a front surface of the guide rail frame, a lift track(110) respectively and integrally fixed at both ends of a rear surface of the footing, a mounting track equipped at least one wire rope fixing plate, which is alternatively fixed on a rear surface of the lift track, a wire rope winch installed on the footing and a wire rope rolled on the wire rope winch is hung on the wire rope wheel, and its end portion is fixed to the rope fixing plate mounted to the mounting track.

Description

Lift device for duct and lift / door control system for duct

Figure 1a is a structure of the duct according to the present invention,

Figure 1b is a block diagram of a lift / door control system for ducts according to the present invention,

2a to 2c is a configuration diagram of the lift apparatus according to the present invention,

3 is a control flowchart of the lift / door control system according to the present invention.

Explanation of symbols on the main parts of the drawings

1, 2: duct door 3, 4: card

5: remote control 10, 20: door control system

30: lift controller 100: lift device

103: base 101: guide rail

105: scaffold 110: platform

111: roller 112: shaft

113: elevating platform 114: assembling rod

115: support piece 116: safety guide rod

117: lift door 119: safety net

120: wire rope winch 121: wire rope

122: wire rope wheel 123: mounting table

124: wire rope fixing piece

The present invention relates to a lift and control system for a duct, and more particularly, it is formed in a subway under which the subway operates, and is installed in a duct to smoothly circulate air from the outside and the underground, so that a specific person is safe in the duct. The present invention relates to a system for controlling lifts and lifts / doors for ducts that can be moved conveniently and conveniently.

The danger of fire in the underground space is that the fire prevention equipment is not fully equipped due to the stereotype that the fire does not spread greatly because the oxygen is not supplied smoothly in case of fire.

However, as in the case of the recent accident, the underground passageway with the staircase entrance as the exhaust port becomes the oxygen inlet, so that the progress of the fire spreads rapidly, and unlike general ground buildings, fire extinguishing is limited to the capacity of the internal fire extinguishing facility. In most cases, the doorway is used as the only evacuation route to minimize internal casualties.However, if the gas is discharged through the doorway, the person inside may be addicted to the toxic gas that is filled in the space. The failure of the clock makes it more difficult to escape.

Therefore, rather than preventing the spread of fire in the event of a fire, in order to ensure the smooth discharge of toxic gas and to maximize the breathing conditions without the toxic gas in the vicinity of the inner floor and to create a good space, the air inside the subway is not normally used in the event of a fire. In order to circulate, the ventilation duct was created to inject external air and exhaust internal air in various places under the subway.

Ventilation duct has a hole communicating with the outside to circulate the air in the subway with the atmosphere, and a lattice structure is installed as a cover plate at the upper part of the hall, and a ventilation fan and a fan for ventilation are provided in a specific space inside the hall. Control devices for controlling are installed.

There are a limited number of persons entering and exiting the duct to manage and supervise devices such as a fan, and the specific person enters the duct through a ladder installed in the duct, and supervises various devices in the duct while moving the space in the duct.

The present invention has been made to solve the above problems, the object of the present invention is to install a lift in the ventilation duct for circulating the air in the underground space with the outside air, the movement in the duct to a specific person who must move in the duct To provide a lift device for the duct and a lift / door control system for the duct.

Another object of the present invention, by controlling the movement of the lift installed in the duct with a remote control, a specific person who wants to move in the duct can easily control the movement of the lift and the duct lift / door control system To provide.

Still another object of the present invention is to provide a duct door provided at a duct entrance, and to allow a specific person with a card key to enter and exit the duct, thereby allowing the duct lift apparatus and duct to be controlled. To provide a lift / door control system.

Another object of the present invention, by storing the card key information read through the card reader provided in the duct door in the memory, the duct lift device and the duct lift / door control system that can manage and supervise the person in the duct To provide.

Technical means of the present invention for achieving the above object in the duct moving device, the guide rail frame 101 is installed on the upper surface of the pedestal 103 is maintained at a constant height, the guide rail frame 101 is A pair of guide rails 102-1 having a cross section formed in a "c" shape on both sides of the upper surface of the pedestal 103 are installed side by side so that the openings face outwards, and the guide rails 102-1 of The horizontal support 102-2 is fixed at regular intervals therebetween; A mandrel of wire rope wheels 122 are provided with shafts 122-1 inside each upper end of the horizontal support 102-2; The front and rear of the guide rail frame 101 is provided with a lifting plate 113 in parallel; The elevating platform 110 is fixed to each of the rear end of the elevating scaffold 113 integrally, so that each elevating platform 110 is located outside the guide rail 102-1, the elevating platform 110 The upper and lower ends of each of the inner surfaces of the rollers 111 are installed in a mandrel with the shaft 112 so that each roller 111 flows into the space portion of the guide rail 102-1; On the rear surface of the two lifting platform 110, the wire rope fixing piece 124 is fixed to one or more mounting brackets 123 is mounted to cross; A wire rope winch 120 is installed on the pedestal 103; The wire rope 121 wound on the wire rope winch 120 is hooked to the wire rope wheel 122 mounted on the top of the elevating platform 110, the end of the rope fixing piece 124 mounted to the mounting table 123 It is fixed to).

Technical means of the present invention for achieving the above object is a duct door installed in the entrance of the duct and a lift control device for moving in the duct, the card containing the ID information of the user allowed to enter the duct; A remote controller for indicating ascending and descending of the lift; A card reader provided at one side of the duct door and reading ID information stored in the card when the card is in close proximity to the card; A memory in which ID information of the card is stored, wherein ID information corresponding to a plurality of cards is stored; The door controller is electrically connected to the card reader and the memory, and the ID information read from the card reader is transmitted. The door controller determines whether the duct door is opened or closed by comparing the transmitted ID information with the ID information stored in the memory. ; A lift controller for analyzing a signal input through the remote controller to instruct the lift of the lift; And a power supply for supplying operation power to the components.

Technical method of the present invention for achieving the above object is a duct door installed in the entrance of the duct and a lift control method for moving in the duct, after storing the ID information of the registered, modified and deleted access card in the memory Electrically connecting and connecting a door controller installed in a specific duct; A user approaching the card to a card reader installed in the duct door; The card reader reads the ID information of the card and transmits it to the door controller; Comparing the transmitted ID information with ID information stored in a memory; Opening the duct door when the ID information is identical and maintaining the locked state of the duct door when the ID information is identical; In the opening of the duct door, the user instructs the lift of the lift with the remote control after boarding the lift; And raising the lift by rotating the motor forward when the rising instruction is made, and lowering the lift by rotating the motor reversely when the falling instruction is made.

According to the present invention, it is easy to circulate the air inside the subway and the outside air that the subway operates, the movement in the duct by moving after boarding the lift when moving to the bottom of the duct after entering and exiting the duct of the specific person allowed to enter the duct It is convenient and easy, and it can be safe for a specific person to be free from accident risk. In addition, the user can easily control the lift movement by controlling the raising and lowering of the lift moving in the duct with the remote controller.

In addition, the duct door is opened and closed only with an emergency in case of power failure or breakdown of the card reader, and in other cases, the locking device installed in the duct door is locked or closed through the user's RF card and the card reader installed in the duct door. By unlocking and controlling access in the duct, it provides security and convenience for use.In addition, the information of a specific person entering and exiting the duct is stored in the memory so that it can be used as an analysis data for accidents in the event of a sudden / emergency situation.

Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings.

Figure 1a is a structure of the duct, Figure 1b is a lift and door control system, a particular one of the plurality of door control system is further provided with a lift controller (30). That is, the door control system is composed of a card (3, 4), card readers (11, 21), door controllers (12, 22), memory (13, 23) and power supply (14, 24), lift controller ( 30 includes a wireless communication unit 31, a main control unit 32, a motor driving unit 33, a pump driving unit 34, and a memory unit 35.

Each entrance and exit of the duct (D) is provided with duct doors (1, 2), each duct door is equipped with a door control system, two or more duct doors (1, 2) in one duct (D) When installed, the lift controller 30 is further included in any one of the door control systems 10 and 20 provided in each duct door. In addition, since each component included in the first door control system 10 is the same as each component included in the second door control system 20, the description of each component of the first door control system 10 will be described. Omit it.

The card 4 is carried by users who are allowed to enter and exit the duct, and the card 4 stores ID information of the card user. That is, the card 4 preferably uses a radio frequency identification (RFID) card having an RF tag that is thin and flat and stores unique information. When the card 4 is brought into contact with the card reader 21 when entering and exiting, the ID information of the user stored in the card 4 is read by the card reader 21, and the duct door 2 is opened or opened according to the reading result. It is closed.

The card reader 21 is installed at one side of the duct door 2, and reads and decrypts the RF tag of the card 4 upon contact with the card 4, and transmits the read ID information to the door controller 22. Thereby processing the user ID information. That is, when the duct door 2 is opened while the memory 23 in which the user ID information is stored in advance is connected to the door controller 22, the card 4 held by the user contacts the card reader 21. Reference numeral 21 reads the ID information of the RF tag in the card 4 and transmits the read ID information to the door controller 22.

The memory 23 may be electrically connected to the door controller 22 and may use a removable memory such as a flash memory and a USB memory, which may be detachably connected to the door controller 22.

In addition, the memory 23 extracts user ID information corresponding to the ID information read from the card reader 21 and transmits the same to the door controller 22 to the door controller 22.

In addition, the memory 23 is electrically connected and connected to the main server (not shown) that manages the access of the duct as a whole, and is detachably connected to the main server, and user ID information registered, deleted and modified through the main server. Is stored.

In addition, when changing the user ID information data stored in the memory 23 is connected to the door controller 22 after disconnecting the memory 23 connected to the main server to update or replace with a new data changed to the door controller 22 To.

In addition, the memory 23 stores the ID information of the card read by the card reader 21 with the read time according to the instruction of the door controller 22, and stores the stored data according to the instructions of the main server when connected to the main server. Send to the main server.

The door controller 22 is electrically connected to the card reader 21 and at the same time connected to the dead bolt installed in the duct door, and the user ID information read through the card reader 21 is stored in the memory 23 in advance. If the information matches, the dead bolt of the duct door (2) is controlled to open the duct door, and at the same time, the alarm sound and lamp to inform the opening through the identifier (25) are turned on. At the same time through a separate identifier 25 to output a warning sound indicating a mismatch.

As a result, the duct door is opened and closed using a key only in case of an emergency such as a power failure or a card reader failure.In other cases, the RF card can be used to lock or unlock the locking device installed on the duct door. Provide convenience for use.

In addition, it is preferable that the locking device in the present embodiment uses a dead bolt type that is mounted by the electronic signal of the door controller to lock or unlock the duct door.

The power supply 24 supplies AC 220V power to operating power of each component including the door controller 22.

In addition, it is desirable to reduce power waste by supplying power to each component including the door controller while the power supply 24 normally maintains the power supply standby state when the card contacts the card reader.

The lift controller 30 is supplied with operating power from the power supply 24 when the duct door 2 is opened in accordance with the instruction of the door controller 22, and the duct door 2 is opened to allow the user to lift the lift provided in the duct ( If the wireless control signal of the remote control to start the operation of the lift is input through a specific button of the remote control 5 after the boarding on the control 100, the control to drive the motor installed in the lower portion of the duct to control the lifted by the user.

Here, the lift controller 30 instructs the forward or reverse rotation of the motor connected to the wire rope wheel 120 in response to the instructions of the wireless communication unit 31 and the main control unit 32 where the wireless signal of the remote controller is received. Instruction control of the motor driving unit 33, the pump driving unit 34 and the operation of each component instructing the operation of the pump in accordance with the instructions of the main control unit when the user cleans the air in the duct at a predetermined interval stored in advance in the memory, Analyzes the wireless signal transmitted from the wireless communication unit, and instructs control of forward or reverse rotation of the motor driving unit according to the analysis result, and the user enters the duct or stores a predetermined time previously stored in the memory unit 35 or itself. It consists of the main control part 32 which instruct | indicates the drive of a pump by a period.

In addition, the remote control 5 is provided with at least two buttons for starting the operation of the lift and the lift of the lift 100, and further includes an antenna (not shown) for wirelessly transmitting a signal instructed by the user. When the user operates the button for instructing the descending, the lift controller 30 controls the motor to rotate forward according to the instruction of the remote controller so that the lift 100 descends, and when the user operates the button for instructing the ascending of the remote controller. In accordance with the instructions, the lift controller 30 controls the motor to reverse rotation so that the lift 100 is raised.

Here, the lift is provided with a safety net and a door for the user's safety when the user boards, and a detailed description of the lift apparatus 100 constituting the lift will be described later with reference to FIGS. 2A to 2C.

The guide rail frame 101 is installed on the upper surface of the pedestal 103 maintained at a constant height, and the footrest 105 is installed on one side of the pedestal 103, and the guide rail frame 101 is the upper surface of the pedestal 103. On both sides, a pair of guide rails 101 having a cross-section of "c" type are installed side by side so that the openings face outwards, and the horizontal support 102-2 is spaced between the guide rails 101 at regular intervals. It was fixed, and the wire rope wheel 122 to the inside of the upper end of each horizontal support (102-2) mandrel was installed with a shaft (122-1).

Here, the horizontal support (102-2) formed at a predetermined interval between the pair of guide rails (102-1) is a second moving means that the user can move the duct in the event of a failure or emergency of the lift apparatus 100 , Has the function of a ladder.

On the front of the guide rail frame 101, the elevating scaffold 113 is provided in parallel, and the elevating platform 110 is fixed to the both ends of the back of the elevating scaffold 113, respectively, and each elevating platform 110 is guided. It was positioned outside the rail 102-1, and the support piece 115 is fixed to both bottom surfaces of the elevating platform 113 and the front of each platform 110, elevating platform 113 and elevating platform ( 110 was formed integrally to support the elevating scaffold 113, each roller 111 is guided by installing a roller 111 as a shaft 112 on the upper and lower inner surfaces of each elevating platform (110) It was made to flow in the space part of the rail 102-1.

The upper and lower edges of the elevating scaffolding 113 are integrally fixed to the assembly end rods 114, the top of which is open. Each of the assembly end rods 114 is assembled with safety guide rods 116, and a safety net is installed between them. 119 is installed, but the safety net 119 is installed in a "c" type so that one side of the footrest 113 is opened, and the door 117 is provided on the safety guide rod 116 of one side where the safety net 119 is not installed. The hinge was installed to allow access to the inside and outside of the scaffold 113 through the door 117, and the door 117 installed a safety net 119 inside the upper side.

On both sides of the elevating platform 110, the wire rope fixing piece 124 is fixed to cross the mounting bracket 123, one or more mounted, wire rope winch 120 is installed on the pedestal 103, wire rope The wire rope 121 wound on the winch 120 was hung on the wire rope wheel 122 mounted on the upper end of the elevating platform 110, and the end was fixed to the rope fixing piece 124 mounted on the mounting table 123. .

In addition, the wire rope winch 120 is installed to rotate forward or reverse to correspond to the driving of the motor.

3 is a flowchart illustrating an operation of a lift and door control method, which will be described with reference to FIGS. 1A, 1B, and 2A to 2C.

First, the mobile memory 23 and a card reader (not shown) are electrically connected to a main server provided to a company that manages the management of ducts formed in various places of the subway under which the subway operates, and then through the main server and the card reader. A plurality of cards are registered and the ID information of the registered card is stored in the memory 23.

Here, the card reader electrically connected to the main server is preferably the same as the card reader provided in the plurality of duct doors.

In addition, by electrically connecting the main server and the memory, the ID information in the plurality of cards stored in the memory can be deleted and modified in addition to the registration, and the data of the memory must be updated at all times when registering, deleting and modifying the ID information of the card. By replacing the memory 23 every time and electrically connected to the card reader 21 associated with the specific duct door (S1) so that the user does not have a problem in entering and exiting the duct.

On the other hand, in the event of a power failure or equipment failure such as a card reader, the duct door can be opened and closed by using an emergency key.

Next, the lift and door control system in the standby mode, when the user who wants to enter the duct when the card 4 of any one of the plurality of user cards close to the card reader 21 (S2), the card reader 21 Recognizes that the card 4 is close and automatically switches to the power supply mode.

Thereafter, the card reader 21 reads the ID information of the card (S3), transmits the read ID information to the door controller 22, and the door controller 22 advances the transmitted ID information and the memory 23 in advance. By comparing the stored ID information to determine whether the match (S5), and control the dead bolt according to the determination result to output the unlock signal or the lock signal of the duct door to control the opening and closing of the duct door.

Therefore, if the ID information previously stored in the memory 23 and the ID information read out from the card coincide with each other according to whether the door controller 22 is valid, the card reader 21 determines that the card has been normally authenticated through the identifier 25. In addition to the warning sound and the lamp for only a predetermined time to indicate that the card is normally authenticated.

In addition, the ID information read by the card reader and the time when the ID information is read are stored in the memory in association with each other.

According to the authentication of the card, the door controller 22 instructs to unlock the dead bolt installed in the duct door, and as the dead bolt is unlocked, the user can normally open the duct door (S6). Of course, if the card 4 is not properly authenticated, a warning sound indicating that the authentication of the card has failed is output through the identifier 25, and such an authentication procedure is limited to three times so that the continuous authentication procedure cannot be attempted. do.

If the card is broken or the user smiles at the card, the duct door is manually opened using the key, and the duct door is closed with the key (S16) before boarding the lift.

Next, after a certain time (S7) after the duct door 4 is opened, the duct door is automatically closed (S8), that is, the dead bolt lock operation according to the instructions of the door controller 22 to automatically open the duct door After closing, the user boards the lift 100 (S9) and the user who boards the lift presses a specific button of the remote controller, that is, a specific button for instructing the descending (S11) by operating the remote controller 5 (S10). The falling indication signal of is transmitted to the lift controller.

Next, when the radio signal of the remote controller 4 instructing the lift of the lift is transmitted to the lift controller 30, the lift controller 30 rotates the motor electrically connected to the lift controller 30 by forward rotation (S12). The lift is lowered to the lower part of the duct (S13).

Next, when the user moves to the lower part of the duct through the lift and moves to the air purifying chamber, the pump is provided in the air purifying chamber according to the instruction of the lift controller 30 to supply clean air containing oxygen.

In addition, the lift controller 30 transmits an operation instruction signal to the pump driver 34 at predetermined time intervals stored in advance in the memory 35 electrically connected to the main controller 32, and the pump driver 34 is input. By driving the pump according to the control signal, the air inside the air purification chamber is purified to remove fine dust, dust, oil and the like.

When the user wants to climb to the upper part of the duct, the user presses a specific button on the remote controller 5 possessed by the user after boarding the lift to instruct the lift to rise, and the wireless control signal of the remote controller 5 is lift controller 30. ), The lift controller 30 analyzes the transmitted radio signal and transmits a control signal instructing the driving of the motor to the motor driver.

When the reverse rotation control signal of the motor indicating the lift 100 is transmitted from the main controller 32 to the motor driving unit 33, the motor driving unit 33 rotates the motor in reverse according to the transmitted signal (S14). Lift the boarded lift to the top of the duct (S15).

In addition, the lift device 100 including a lift to move up and down operates as follows.

In the state where the elevating footrest 113 is lowered to the footrest 105 side, the user enters the inside of the elevating footrest 113 through the entrance door 117 of the lift, and closes the door 117 to lock the door for the lift. The wire rope winch 120 is operated by operating the motor by operating the remote controller 5 in a locked state with a device (not specifically shown).

When the wire rope winch 120 is actuated, the wire rope 121, which is loosened and hooked on the wire rope wheel 122, is wound around the drum of the wire rope winch 120, and the wire rope 121 is wire rope winch 120. When wound on the drum of the) and the lifting platform 110 with the lifting platform 110 on both sides with the mounting base 13 is fixed to the end of the wire rope 121 is moved upward.

When the elevating platform 110 moves upward, the rollers 111 installed on the top and bottom of the inner surface of each elevating platform 110 are rolled along the guide rails 101 and moved upwards. Together, the elevating scaffold 113 rises without shaking, and when the elevating scaffold 113 is fully raised, an upper sensing means (not specifically shown) senses this to stop the operation of the wire rope winch 120. .

In the state where the operation of the wire rope winch 120 is stopped, the user may move to the target point through the door 117.

On the other hand, when the footrest 113 is raised, the wire rope winch 120 is operated in reverse by operating the motor by operating the remote controller 5 while the footrest 113 is raised, and the wire rope winch is operated. When the 120 is operated in reverse, the wire rope 121 wound on the drum is gradually released, and when the wire rope 121 is released from the wire rope winch 120, the elevating platform 113 that is raised is When it is gradually lowered, when the elevating platform 113 is lowered, the roller 111 installed in the elevating platform 110 is moved downward while rolling along the guide groove of the guide rail 101.

When the lifting step 113 is completely downward, the lower sensing means (not specifically shown) detects this and stops the operation of the wire rope winch 120.

In a state where the operation of the wire rope winch 120 is stopped and the elevating platform 113 is completely stopped, the occupant may open the door 117 and exit through the pedestal 103.

In the present invention, the lift apparatus 100 can raise and lower the elevating step 113 by operating the wire rope winch 120 in reverse by rotating the motor forward or reverse by using a specific button on the remote controller 5. will be.

While specific embodiments of the present invention have been described and illustrated above, it will be apparent that the present invention may be embodied in various modifications by those skilled in the art. Such modified embodiments should not be individually understood from the technical spirit or the prospect of the invention, but should fall within the claims appended to the present invention.

According to the present invention, the ventilation ducts are formed in various places of the subway under which the subway operates, so that the circulation of the air inside and outside of the subway is easy, and the specific person allowed to enter the duct is allowed to enter the duct after moving to the lower part of the duct when boarding the lift. By moving afterwards, it is convenient and easy to move in the duct, and certain people can be safe from accident risk. In addition, by controlling the lifting of the lift moving in the duct with a remote control, it is easy to control the lift movement of the user.

In addition, the duct door is opened and closed only by using the key in case of emergency such as power failure or card reader failure. Otherwise, the locking device installed in the duct door through the card reader installed in the user's RF card and the duct door or By unlocking and controlling access in the duct, it provides security and convenience for use.In addition, the information of a specific person entering and exiting the duct is stored in the memory so that it can be used as an analysis data for accidents in the event of a sudden / emergency situation.

Claims (10)

In the duct moving device, The guide rail frame 101 is installed on the upper surface of the pedestal 103 maintained at a constant height, but the guide rail frame 101 is a pair of cross-sections formed on both sides of the upper surface of the pedestal 103 in a "c" shape. The guide rail 102-1 of the installation is installed side by side so that the opening toward the outside, and the horizontal support (102-2) between the guide rail (102-1) fixed at regular intervals, In the upper end of each of the horizontal support (102-2) wire rope wheel 122 and the mandrel to the shaft 122-1, On the front of the guide rail frame 101 and having the elevating step 113 in parallel, The elevating platform 110 is fixed to the rear both ends of the elevating platform 113, respectively, so that each elevating platform 110 is located outside the guide rail 102-1, the elevating platform 110 The upper and lower ends of each inner surface of the roller 111 is installed in the mandrel with the shaft 112 so that each roller 111 is introduced into the space portion of the guide rail 102-1, On the rear surface of the both lifting platform 110 and the wire rope fixing piece 124 is fixed to one or more mounting brackets 123 is mounted to cross, The pedestal 103 is provided with a wire rope winch 120, The wire rope 121 wound on the wire rope winch 120 is hooked to the wire rope wheel 122 mounted on the top of the elevating platform 110, the end of the rope fixing piece 124 mounted to the mounting table 123 Lifting device for ducts, characterized in that the fixed to). The method according to claim 1, Duct lift device, characterized in that the footrest 105 is installed on one side of the pedestal (103). The method according to claim 1, The elevating scaffolding plate 113 and the elevating platform 110 are integrally formed by fixing the support piece 115 on both bottom surfaces of the elevating platform 113 and the front surface of each elevating platform 110. Lift device for ducts characterized in that to support (113). The method according to claim 1, The upper and lower edges of the elevating scaffold 113 is fixed to the assembly end bar 114, the top of which is open integrally, The safety guide rods 116 are assembled to each of the assembly end rods 114, and a safety net 119 is installed on the upper side between the safety guide rods, but the safety net 119 is opened so that one side of the footrest 113 is opened. "As installed in the form, The safety guide rod 116 on one side of which the safety net 119 is not installed further includes a door 117 installed as a hinge to allow access to the inside and outside of the footrest 113 through the door 117. Lift device for ducts, characterized in that. The method according to claim 4, The door 117 is a duct lift device, characterized in that the safety net 119 is installed on the inner upper side. The method of claim 1, wherein the wire rope winch 120 A duct lift device, which is connected to a motor and rotates forward or reverse by driving the motor. In the duct door and the lift control device for moving in the duct installed at the entrance of the duct, A card storing ID information of a user who is allowed to access the duct; A remote controller for indicating ascending and descending of the lift; A card reader provided at one side of the duct door and reading ID information stored in the card when the card is in close proximity to the card; A memory in which ID information of the card is stored, wherein ID information corresponding to a plurality of cards is stored; The door is electrically connected to the card reader and the memory, and the ID information read from the card reader is transmitted. The door determines whether the duct door is opened or closed by comparing the transmitted ID information with the ID information stored in the memory. Controller; A lift controller for analyzing a signal input through the remote controller to instruct the lift of the lift; And Duct lift and door control device, characterized in that consisting of; a power supply for supplying operating power to each component. The method of claim 7, wherein the lift controller A main control unit for indicating and controlling the operation of each component unit; A wireless communication unit to receive a lift instruction signal of the remote controller; A motor driving unit configured to rotate the motor forward or reverse in response to the lift raising / lowering instruction of the main control unit; Duct lift and door control device comprising a; pump driving unit for driving a pump in the duct at a predetermined time corresponding to the instructions of the main control unit. The method of claim 7, wherein the memory is A duct lift which is electrically connected to the door controller and is detachable from the door controller, and stores ID information read from the card reader in association with the read time in accordance with the instruction of the door controller; Door control device. In the duct door and the lift control method for moving in the duct installed at the entrance of the duct, Storing the ID information of the registered, modified and deleted access cards in a memory and electrically connecting and connecting them to a door controller installed in a specific duct; A user approaching the card to a card reader installed in the duct door; The card reader reads the ID information of the card and transmits it to the door controller; Comparing the transmitted ID information with ID information stored in a memory; Opening the duct door when the ID information is identical and maintaining the locked state of the duct door when the ID information is identical; In the opening of the duct door, the user instructs the lift of the lift with the remote control after boarding the lift; And And increasing the lift by rotating the motor forward when the rising instruction is made, and lowering the lift by rotating the motor in reverse direction when the lowering instruction is made.

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